Mother-son type modular power bank

By designing a detachable and combined mother-and-child modular power bank, the problems of unadjustable size and weight of power banks and incompatible power output are solved, and flexible power output and device compatibility are achieved.

CN223348385UActive Publication Date: 2025-09-16张少洋
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Patent Information

Application Number
CN202422115696.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-09-16
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

Existing power banks cannot flexibly adjust their size and weight, and cannot adapt to a variety of different power output requirements, resulting in inconvenience in carrying and poor device compatibility.

Method used

A modular power bank with a mother-and-child structure is designed. The host and slave devices are detachable and combined. The host has multiple output ports and is electrically connected through magnetic or sliding connections. It is equipped with a display screen and a temperature sensor to monitor the power and temperature.

Benefits of technology

It can adjust the volume and weight according to needs, adapt to various power outputs, and improve the compatibility and ease of use of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mother-son type modularized power bank, which comprises a host and a slave, the host comprises a host casing and a first battery cell, the slave comprises a slave casing and a second battery cell, a connecting part is formed at the side part of the host casing, and a matching part is formed at one side of the slave casing, so that the host and the slave can be simply combined / disassembled; a host output port and a host input port are formed in the top of the host shell and are electrically connected with the first battery cell; the host output port is used for supplying power to the host, and the host input port is used for charging the host; a plurality of host output ports are distributed on the host shell, and the types of the host output ports comprise a DC output port, a USB-C output port and a USB-A output port; a plurality of first contacts are arranged on the connecting part, a plurality of second contacts are arranged on the matching part, and when the host and the slave are in a combined state, the first contacts are electrically connected with the second contacts. The child-mother type modular power bank provided by the utility model can adjust the volume and the weight according to specific scene requirements, and is suitable for various scene requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of power supply equipment, in particular to a parent-child modular power bank. Background Art

[0002] With the increasing abundance of personal digital products and people's increasing dependence on them, ensuring that digital products are always fully charged has become a necessity. Different digital products also have different requirements for power. For example, the power and voltage of power banks used for computers are greater and larger than those used for mobile phones, while power banks designed for mobile phones cannot meet the needs of computers. Therefore, carrying a large power bank when going out will increase the burden, but carrying a small power bank when going out cannot meet the needs of higher-powered digital devices. At the same time, everyone has the same urgent need for charging, but not everyone brings a power bank when going out. Often, there will be an awkward situation where one person brings a power bank and everyone else takes turns using it. To this end, there is a need for a power bank that can flexibly allocate power according to demand, control volume and weight, and adapt to different power output requirements. Utility Model Content

[0003] The embodiment of the present invention provides a modular power bank of the parent-child type to solve the problems in the prior art of power banks that cannot control the volume and weight and cannot adapt to a variety of different power output requirements.

[0004] To achieve the above objectives, the present invention adopts the following technical solutions:

[0005] A modular power bank of a parent-child type includes a host and a slave, wherein the host includes a host housing and a first battery cell housed therein, and the slave includes a slave housing and a second battery cell housed therein. A connecting portion is formed on a side of the host housing, and the connecting portion has at least one connecting portion. A mating portion is formed on one side of the slave housing. The connecting portion and the mating portion are detachably connected, so that the host and the slave can be assembled / disassembled.

[0006] The top of the host housing is provided with a host output port and a host input port, both of which are electrically connected to the first battery cell; the host output port is used to supply power to the host, and the host input port is used to charge the host;

[0007] There are multiple host output ports distributed on the host casing, and the types of host output ports include DC output port, USB-C output port and USB-A output port;

[0008] A plurality of first contacts are provided on the connecting portion, and the first contacts are electrically connected to the first battery core. A plurality of second contacts are provided on the mating portion, and the second contacts are electrically connected to the second battery core. When the host and the slave are assembled and in a combined state, the first contacts in the connecting portion and the second contacts on the mating portion are in one-to-one contact, so that the first contacts and the second contacts are electrically connected.

[0009] In one embodiment, the connecting portion and the matching portion are both magnetic, and the connecting portion and the matching portion are connected by magnetic force.

[0010] In one embodiment, each of the connecting parts has a sliding groove, and the matching part has a slider, which can be slidably embedded in the sliding groove;

[0011] The first contact is arranged inside the sliding groove, and the second contact is arranged on the sliding block.

[0012] Furthermore, a limiting groove is formed in the slide groove, and a movable latch with elasticity protruding from the surface of the slide is installed on the slide. An unlocking button is provided on the housing of the slave, and pressing the unlocking button can retract the movable latch;

[0013] When the slave device is connected and installed with the master device and the first contact and the second contact are electrically connected, the movable latching tooth is embedded in the limiting groove.

[0014] In one embodiment, a first display screen is provided at the bottom of the host casing, and a first circuit board is also provided inside the host casing. The first display screen is electrically connected to the first circuit board, and the display content of the first display screen is controlled by the first circuit board. The first battery cell is electrically connected to the first circuit board, and the first circuit board is used to display the power level of the first battery cell.

[0015] Furthermore, an activation button is provided on the host housing. Pressing the activation button can briefly light up the first display screen, and when the host output port is connected to a device to be powered, pressing the activation button can activate the power supply function of the host.

[0016] Furthermore, a temperature sensor electrically connected to the first circuit board is mounted on the surface of the first battery cell, so that the first display screen can display the temperature of the first battery cell.

[0017] Furthermore, a second display screen is provided at the bottom of the slave housing, a second circuit board is further provided in the slave housing, the second display screen is electrically connected to the second circuit board, and the display content of the second display screen is controlled by the second circuit board, the second battery cell is electrically connected to the second circuit board, and the second circuit board is used to display the power level of the second battery cell;

[0018] When the parent-child modular power bank is in a combined state, the power levels of the host and slave devices are both displayed on the first display screen, and the second display screen is in an off state.

[0019] Furthermore, a temperature sensor electrically connected to the second circuit board is mounted on the surface of the second battery cell, so that the second display screen can display the temperature of the second battery cell;

[0020] When the parent-child modular power bank is in a combined state, the temperature parameters of the host and the slave are displayed on the first display screen, and the second display screen is in an off state.

[0021] In one embodiment, the mating portion is further provided with a slave output-input port having both power output and input functions, and the slave output-input port is electrically connected to the second battery cell.

[0022] In one embodiment, a receiving groove is further formed on the mating portion, and a connecting wire is accommodated in the receiving groove. One end of the connecting wire is electrically connected to the second battery core, and the other end is used to connect to an external device to be powered.

[0023] The beneficial effects of the utility model are:

[0024] The utility model provides a parent-child modular power bank, whose main unit and slave unit are detachable / combinable, and whose volume and weight can be adjusted according to the requirements of specific scenarios. The main unit has host output ports of various specifications, which can adapt to various different power output requirements and be better compatible with electrical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the components of a modular power bank;

[0026] Figure 2 This is a bottom view of the host;

[0027] Figure 3 for Figure 2 Cross-sectional view of section AA;

[0028] Figure 4 A stereogram of the host;

[0029] Figure 5 This is a bottom view of the slave machine;

[0030] Figure 6 for Figure 5 Cross-sectional view of the middle BB section;

[0031] Figure 7 This is a three-dimensional diagram of the slave machine.

[0032] Description of reference numerals:

[0033] 1. Host; 10. Host housing; 11. Slide; 111. First contact; 112. Limiting groove; 12. First display screen; 13. First circuit board; 14. First battery cell; 15. Activation button; 16. Host output port; 17. Host input port; 2. Slave; 20. Slave housing; 21. Slider; 211. Second contact; 212. Movable latch; 22. Second display screen; 23. Second circuit board; 24. Second battery cell; 25. Unlock button; 26. Slave input / output port; 27. Receiving slot; 28. Connecting wire. DETAILED DESCRIPTION

[0034] The following describes the specific embodiments of the present application in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present application and are not intended to limit the present application.

[0035] like Figure 1-7 As shown, an embodiment of the present invention provides a parent-child modular power bank, which mainly includes a host 1 and a slave 2. The host 1 mainly includes a host casing 10 and a first battery core 14 accommodated inside the host casing 10. The slave 2 mainly includes a slave casing 20 and a second battery core 24 accommodated inside the slave casing 20. A connecting portion is formed on the side of the host casing 10, and the connecting portion has at least one. A mating portion is formed on one side of the slave casing 20. The connecting portion and the mating portion are detachably connected, so that the host 1 and the slave 2 can be easily combined / disassembled by sliding installation, and multiple slaves 2 can be assembled on one host 1 at the same time (the number of slaves 2 that can be assembled corresponds to the number of connecting portions).

[0036] A host output port 16 and a host input port 17 are provided on the top of the host housing 10, and the host output port 16 and the host input port 17 are both electrically connected to the first battery cell 14; the host output port 16 is used for the host 1 to supply external power, and the host input port 17 is used to charge the host 1; in addition, a plurality of first contacts 111 are provided on the connecting portion, and the first contacts 111 are electrically connected to the first battery cell 14, and a plurality of second contacts 211 are provided on the mating portion, and the second contacts 211 are electrically connected to the second battery cell 24. When the host 1 and the slave 2 are in a combined state, the first contacts 111 on the connecting portion and the second contacts 211 on the mating portion are in one-to-one contact contact, so that the first contacts 111 and the second contacts 211 are electrically connected, thereby realizing the electrical connection between the host 1 and the slave 2, that is, when the host 1 and the slave 2 are in a combined state, the host 1 and the slave 2 can share power, and the host 1 can charge the slave 2.

[0037] The present invention provides two embodiments of the specific detachable connection method between the host casing 10 and the slave casing 20. In one embodiment, the connecting portion and the matching portion are both magnetic, and the connecting portion and the matching portion are connected by magnetic force (utilizing the mutual attraction of magnetic materials). The specific magnetic implementation method of the connecting portion and the matching portion has multiple embodiments in the prior art, such as the connecting portion and the matching portion are both made of magnetic metal, or magnetic metal is embedded in the connecting portion and the matching portion.

[0038] In another embodiment, a slot 11 is formed on the side of the main housing 10, and each connecting portion has a slot 11. The mating portion has a slider 21 that can slide into the slot 11. The first contact 111 is disposed in the slot 11, and the second contact 211 is disposed on the slider 21.

[0039] As an improvement to increase the connection stability between the host 1 and the slave 2, in a specific embodiment, a limiting groove 112 is formed in the slide 11, and an elastic movable latch 212 protruding from the surface of the slider 21 is installed on the slider 21, and an unlocking button 25 is provided on the slave housing 20. Pressing the unlocking button 25 can cause the movable latch 212 to retract; when the slave 2 is connected and installed to the host 1 and the first contact 111 and the second contact 211 are electrically connected, the movable latch 212 is embedded in the limiting groove 112, thereby enhancing the stability of the connection between the host 1 and the slave 2, and pressing the unlocking button 25 can cause the movable latch 212 to disengage from the limiting groove 112, so that the slave 2 can slide away from the host 1.

[0040] As a further improvement, a first display screen 12 is provided at the bottom of the main body casing 10, and a first circuit board 13 is also provided inside the main body casing 10. The first display screen 12 is electrically connected to the first circuit board 13, and the display content of the first display screen 12 is controlled by the first circuit board 13. The first battery cell 14 is electrically connected to the first circuit board 13, and the first circuit board 13 is used to display the power level of the first battery cell 14; in another embodiment, a temperature sensor electrically connected to the first circuit board 13 is also installed on the surface of the first battery cell 14, so that the first display screen 12 can display the temperature of the first battery cell 14.

[0041] A second display screen 22 is provided at the bottom of the slave housing 20, and a second circuit board 23 is also provided inside the slave housing 20. The second display screen 22 is electrically connected to the second circuit board 23, and the display content of the second display screen 22 is controlled by the second circuit board 23. The second battery cell 24 is electrically connected to the second circuit board 23, and the second circuit board 23 is used to display the power level of the second battery cell 24; in another embodiment, a temperature sensor electrically connected to the second circuit board 23 is also installed on the surface of the second battery cell 24, so that the second display screen 22 can display the temperature of the second battery cell 24.

[0042] The parent-child modular power bank is in a combined state (the host 1 and the slave 2 are slid and assembled to be fixed), since the host 1 and the slave 2 are in an electrically connected state in the utility model, and considering that the user can easily obtain the power and temperature parameters of the host 1 and the slave 2, and considering energy saving, in the combined state of the parent-child modular power bank, the power and temperature parameters of the host 1 and the slave 2 are displayed on the first display screen 12, and the second display screen 22 is in an off state.

[0043] The host 1 assumes the main function of an energy device. In one embodiment of the present invention, there are multiple host output ports 16 distributed on the host housing 10, and the types of host output ports 16 include DC output ports, USB-C output ports and USB-A output ports. The DC output ports, USB-C output ports and USB-A output ports realize multiple power outputs of the host 1; in addition, the multi-type design of the host output ports 16 makes the host 1 of the present invention more compatible with electrical devices and has better practicality than ordinary power banks.

[0044] In addition, for practical considerations, in a specific embodiment of the present invention, an activation button 15 is also provided on the host casing 10. Pressing the activation button 15 can briefly light up the first display screen 12, and when the host output port 16 is connected to a device to be powered, pressing the activation button 15 can activate the power supply function of the host 1.

[0045] Taking into account the use scenario of carrying it with you, for the sake of portability, in a specific embodiment of the present invention, a slave output and input port 26 with both power output and input functions is also provided on the mating portion, and the slave output and input port 26 is electrically connected to the second battery cell 24; a receiving groove 27 is also formed on the mating portion, and a connecting wire 28 is accommodated in the receiving groove 27. One end of the connecting wire 28 is electrically connected to the second battery cell 24, and the other end is used to connect to an external device to be powered. The slave 2 in this embodiment can act as a portable power bank on its own, and since the slave output and input port 26 and the receiving groove 27 are both provided on the slider 21, when the slave 2 is assembled and used in combination with the host 1, the slave output and input port 26 and the receiving groove 27 are both hidden, and the sub-sub modular power bank of the present invention has a better overall aesthetics.

[0046] In other embodiments of the present invention, the host 1 and the slave 2 also have an appearance that is compatible with the built-in battery of an existing electrical device, so that the host 1 or the slave 2 can independently replace the built-in battery in the electrical device and be installed in the electrical device; or the combination of the host 1 and the slave 2 after assembly has an appearance that is compatible with the built-in battery of an existing electrical device, so that the combination can independently replace the built-in battery in the electrical device and be installed in the electrical device.

[0047] The utility model provides a parent-child modular power bank, whose main unit and slave unit are detachable / combinable, and whose volume and weight can be adjusted according to the requirements of specific scenarios. The main unit has host output ports of various specifications, which can adapt to various different power output requirements and be better compatible with electrical equipment.

[0048] The above-described embodiments merely represent implementation methods of the present invention and should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A modular power bank with a mother-child structure, characterized in that: The invention comprises a host (1) and a slave (2), wherein the host (1) comprises a host housing (10) and a first battery core (14) accommodated inside the host housing (10), and the slave (2) comprises a slave housing (20) and a second battery core (24) accommodated inside the slave housing (20), a connecting portion is formed on a side of the host housing (10), and the connecting portion has at least one connecting portion, and a matching portion is formed on one side of the slave housing (20), and the connecting portion and the matching portion are detachably connected, so that the host (1) and the slave (2) can be assembled / disassembled; A host output port (16) and a host input port (17) are provided on the top of the host housing (10), and both the host output port (16) and the host input port (17) are electrically connected to the first battery cell (14); the host output port (16) is used for supplying power to the host (1) externally, and the host input port (17) is used for charging the host (1); There are a plurality of host output ports (16) distributed on the host housing (10), and the types of host output ports (16) include a DC output port, a USB-C output port, and a USB-A output port; A plurality of first contacts (111) are provided on the connecting portion, and the first contacts (111) are electrically connected to the first battery core (14); a plurality of second contacts (211) are provided on the matching portion, and the second contacts (211) are electrically connected to the second battery core (24); when the host (1) and the slave (2) are slidably assembled and thus in a combined state, the first contacts (111) in the connecting portion and the second contacts (211) on the matching portion contact one by one, so that the first contacts (111) and the second contacts (211) are electrically connected.

2. The modular power bank of parent-child type according to claim 1, characterized in that: The connecting portion and the matching portion are both magnetic, and the connecting portion and the matching portion are connected by magnetic force.

3. The modular power bank of parent-child type according to claim 1, characterized in that: Each of the connecting parts has a slide groove (11), and the matching part has a slider (21), and the slider (21) can be slidably embedded in the slide groove (11); The first contact (111) is arranged inside the slide groove (11), and the second contact (211) is arranged on the slider (21).

4. The modular power bank of claim 3, characterized in that: A limiting groove (112) is formed in the slide groove (11), and a movable latch (212) with elasticity protruding from the surface of the slide (21) is installed on the slide (21). An unlocking button (25) is provided on the slave housing (20), and pressing the unlocking button (25) can cause the movable latch (212) to retract; When the slave device (2) is connected and installed with the master device (1) and the first contact (111) and the second contact (211) are electrically connected, the movable latch (212) is embedded in the limiting groove (112).

5. The modular power bank of parent-child type according to claim 1, characterized in that: A first display screen (12) is provided at the bottom of the host housing (10), and a first circuit board (13) is further provided inside the host housing (10). The first display screen (12) is electrically connected to the first circuit board (13), and the display content of the first display screen (12) is controlled by the first circuit board (13). The first battery cell (14) is electrically connected to the first circuit board (13), and the first circuit board (13) is used to display the power level of the first battery cell (14).

6. The modular power bank of claim 5, characterized in that: The host housing (10) is also provided with an activation button (15), and pressing the activation button (15) can temporarily light up the first display screen (12), and when the host output port (16) is connected to a device to be powered, pressing the activation button (15) can activate the power supply function of the host (1).

7. The modular power bank of claim 5, characterized in that: A temperature sensor electrically connected to the first circuit board (13) is also mounted on the surface of the first battery cell (14), so that the first display screen (12) can display the temperature of the first battery cell (14).

8. The modular power bank of claim 7, characterized in that: A second display screen (22) is provided at the bottom of the slave housing (20), a second circuit board (23) is further provided in the slave housing (20), the second display screen (22) is electrically connected to the second circuit board (23), and the display content of the second display screen (22) is controlled by the second circuit board (23), the second battery cell (24) is electrically connected to the second circuit board (23), and the second circuit board (23) is used to display the power level of the second battery cell (24); When the parent-child modular power bank is in a combined state, the power levels of the host (1) and the slave (2) are both displayed on the first display screen (12), and the second display screen (22) is in an off state.

9. The modular power bank of parent-child type according to claim 8, characterized in that: A temperature sensor electrically connected to the second circuit board (23) is also mounted on the surface of the second battery cell (24), so that the second display screen (22) can display the temperature of the second battery cell (24); When the parent-child modular power bank is in a combined state, the temperature parameters of the host (1) and the slave (2) are displayed on the first display screen (12), and the second display screen (22) is in an off-screen state.

10. The modular power bank of parent-child type according to claim 1, characterized in that: The matching portion is also provided with a slave output-input port (26) having both power output and input functions, and the slave output-input port (26) is electrically connected to the second battery core (24).

11. The modular power bank of claim 1, characterized in that: The mating portion is also formed with a receiving groove (27), in which a connecting wire (28) is housed. One end of the connecting wire (28) is electrically connected to the second battery core (24), and the other end is used to connect to an external device to be powered.