Wireless charging mobile power supply
By setting up a battery cell protection structure in the shell of the wireless charging mobile power bank and using a combination of heat sinks and buffer sheets, the problem of battery cell damage when falling is solved and the safety of the battery cell is improved.
Patent Information
- Application Number
- CN202422007390.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-08-16
AI Technical Summary
When an existing wireless charging mobile power bank falls, the battery cell is easily damaged by the impact, posing a safety hazard.
A battery cell protection structure is arranged inside the shell of the mobile power supply, including a first protective member and a second protective member. The first protective member is located between the upper inner wall surface of the shell and one surface of the battery cell, and the second protective member is located between the lower inner wall surface of the shell and the other surface of the battery cell. A combination of heat sink and buffer sheet is used to prevent damage to the battery cell.
It effectively prevents the battery cells from being damaged or punctured by impact when falling, improves the safety of the battery cells and avoids potential safety hazards.
Smart Images

Figure CN223334424U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mobile power supply technology, in particular to a wireless charging mobile power supply. Background Art
[0002] A power bank is a portable charger that can be carried around by individuals and stores energy. It's primarily used to charge consumer electronics, such as handheld mobile devices, and is particularly useful in situations where an external power source isn't available. Initially, power banks required connecting to electronic devices via a charging cable. This meant users needed to carry both the power bank and the charging cable, which was inconvenient. Consequently, manufacturers developed power banks with wireless charging capabilities.
[0003] The battery cells of existing mobile power supplies contain flammable materials. How to improve the product's functional experience while also taking into account battery safety is an ongoing research direction in the industry. Currently, mobile power supplies, especially those with wireless charging functions, have at least the following safety hazards. Existing mobile power supplies do not have sufficient drop protection measures for the battery cells. When the product falls, the battery cells are easily damaged by the impact, which poses a safety hazard to the battery cells. This is especially true for mobile power supplies with hardware brackets. Although the hardware bracket design can bring a lot of convenience to users, when the mobile power supply falls, the hardware bracket may be subjected to force and puncture the battery cells, causing damage to the battery cells. Therefore, it is necessary to improve existing wireless charging mobile power supplies. Utility Model Content
[0004] In view of this, the present invention addresses the shortcomings of the existing technology and its main purpose is to provide a wireless charging mobile power supply, which can effectively solve the problem that the existing mobile power supplies have insufficient protection measures for battery cells from falling, and the battery cells are easily damaged by impact when the product falls.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A wireless charging mobile power supply includes a shell, a battery cell, a wireless charging module, and a battery cell protection structure; the shell has a receiving groove; the battery cell is arranged in the receiving groove; the wireless charging module is arranged in the receiving groove and is in contact with the upper inner wall surface of the shell; the battery cell protection structure includes a first protective member and a second protective member, the first protective member is located between the upper inner wall surface of the shell and one surface of the battery cell, and the second protective member is located between the lower inner wall surface of the shell and the other surface of the battery cell.
[0007] As a preferred solution, the first protective member is a heat sink.
[0008] As a preferred solution, the heat sink is located between the wireless charging module and a surface of the battery core, and / or the heat sink is a heat sink made of infrared nano-heat dissipation material.
[0009] As a preferred solution, it further includes a control board, which is arranged in the accommodating groove, the control board is connected to the battery core and the wireless charging module, and the heat sink covers the battery core and the control board.
[0010] As a preferred solution, the second protective member is a protective sheet.
[0011] As a preferred solution, a bracket is provided on the housing.
[0012] As a preferred solution, the bracket includes a fixing part, a rotating shaft part and a supporting part, the fixing part is riveted to the lower inner wall surface of the shell, the rotating shaft part is arranged on the fixing part, the supporting part is movably connected to the rotating shaft part, and the protective sheet is opposite to the riveted position of the fixing part and the lower inner wall surface.
[0013] As a preferred solution, the protective sheet is made of PC material, and the thickness of the protective sheet is 0.2 mm.
[0014] As a preferred solution, the second protective member is a buffer sheet, or the second protective member is a combination of a buffer sheet and a protective sheet.
[0015] As a preferred solution, the buffer sheet is provided with an empty groove.
[0016] As a preferred solution, a third protective member is further included, and the third protective member is arranged on the surface of the battery core, and the third protective member is located between the battery core and the wireless charging module.
[0017] As a preferred solution, the first protective member is at least partially disposed between the third protective member and the battery core, and the first protective member is a heat sink.
[0018] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:
[0019] By arranging a battery cell protection structure in the accommodating groove, the first protective member is located between the upper inner wall surface of the shell and one surface of the battery cell, and the second protective member is located between the lower inner wall surface of the shell and the other surface of the battery cell. When the mobile power supply falls, the first protective member and the second protective member effectively prevent the battery cell from being damaged by impact or punctured by foreign objects, providing effective protection for the battery cell without posing a safety hazard to the mobile power supply.
[0020] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of an assembly perspective view of a preferred embodiment of the present utility model;
[0022] Figure 2 This is a schematic three-dimensional assembly diagram of a preferred embodiment of the present invention from another angle;
[0023] Figure 3 This is an exploded view of a preferred embodiment of the present utility model;
[0024] Figure 4 This is an exploded view from another angle of the preferred embodiment of the present utility model;
[0025] Figure 5 It is a cross-sectional view of a preferred embodiment of the present utility model.
[0026] Description of the accompanying drawings:
[0027] 10. Housing 101, receiving tank
[0028] 11. Front housing 12. Rear housing
[0029] 20. Control board 30. Battery cell
[0030] 40. Wireless charging module 50. Battery protection structure
[0031] 51. First protective member 52. Second protective member
[0032] 521, protective sheet 522, buffer sheet
[0033] 5221, empty slot 60, third protective member
[0034] 70. Bracket 71. Fixing part
[0035] 72. Rotating shaft portion 73. Support portion. DETAILED DESCRIPTION
[0036] Please refer to Figures 1 to 5 As shown, it shows the specific structure of a preferred embodiment of the present invention, including a housing 10, a control board 20, a battery cell 30, a wireless charging module 40 and a battery cell protection structure 50.
[0037] The housing 10 has a receiving groove 101; in this embodiment, the housing 10 includes a front housing 11 and a rear housing 12, the front housing 11 and the rear housing 12 are fixedly fitted with each other to form the receiving groove 101, and the housing 10 can also be an integrally formed housing. The housing 10 is, for example, a rectangular housing.
[0038] The control board 20 is arranged in the receiving groove 101, and the control board 20 is connected to the battery cell 30 and the wireless charging module 40.
[0039] The battery cell 30 is arranged in the receiving groove 101.
[0040] The wireless charging module 40 is arranged in the receiving groove 101, and the wireless charging module 40 is in close contact with the upper inner wall surface of the housing 10. The upper inner wall surface of the housing 10 is the surface of the front housing 11 facing the side where the rear housing 12 is located; specifically, the wireless charging module 40 is arranged between the front housing 11 and the battery cell 30.
[0041] The battery cell protection structure 50 includes a first protection member 51 and a second protection member 52. The first protection member 51 is located between the upper inner wall surface of the housing 10 and one surface of the battery cell 30, and the second protection member 52 is located between one inner wall surface of the housing 10 and the other surface of the battery cell 30.
[0042] In this embodiment, the first protection member 51 is a heat sink, and the heat sink is a heat sink made of an infrared nano heat dissipation material. The infrared nano heat dissipation material is, for example, graphene. Specifically, the heat sink covers the battery cell 30 and the control board 20 to achieve a uniform heat dissipation effect, and prevent heat from concentrating at a certain point, resulting in an overly high temperature at that position and an easy-to-occur problem of getting scalded. The first protection member 51 can also be made of other materials, and the first protection member 51 can be a protective sheet or a combination of a heat sink and a protective sheet. In some embodiments, the heat sink can also be arranged between the wireless charging module 40 and one surface of the battery cell 30, so as to quickly equalize the heat at the wireless charging module 40.
[0043] The second protection member 52 is a combination of a protection sheet 521 and a buffer sheet 522. The protection sheet 521 is made of PC material, and the thickness of the protection sheet 521 is 0.2 mm. The buffer sheet 522 is made of EVA foam material, and the buffer sheet 522 is provided with an empty groove 5221. The empty groove 5221 can provide expansion space for the battery cell 30. The buffer sheet 522 is in the shape of a Chinese character 'ri'. Specifically, the second protection member 52 can also be made of other materials, such as a single protection sheet 521 or a single buffer sheet 522.
[0044] And, it further includes a third protective member 60, which is arranged on the surface of the battery cell 30, and the third protective member 60 is located between the battery cell 30 and the wireless charging module 40 to prevent the wireless charging module 40 from puncturing the battery cell 30; and, a bracket 70 is provided on the shell 10, specifically, the bracket 70 is provided on the rear shell 12, the bracket 70 includes a fixing portion 71, a rotating shaft portion 72 and a supporting portion 73, the fixing portion 71 is riveted to the lower inner wall surface of the shell 10, the lower inner wall surface of the shell 10, that is, the surface of the rear shell 12 facing the side of the front shell 11, the rotating shaft portion 72 is provided on the fixing portion 71, and the supporting portion 73 is movably connected to the rotating shaft portion 72, and the protective sheet 521 is located opposite to the riveted position of the fixing portion 71 and the lower inner wall surface.
[0045] See also Figure 3 In this embodiment, the first protective member 51 is at least partially disposed between the third protective member 60 and the battery cell 30. The first protective member 51 serves as a heat sink. The third protective member 60 is made of a material such as highland barley paper that has both puncture-resistant and heat-insulating properties. The first protective member 51 is sandwiched between the third protective member 60 and the battery cell 30. Heat from the battery cell 30 is conducted outward through the first protective member 51, while also preventing heat from being conducted toward the wireless charging module 40.
[0046] The design focus of the present utility model is that by arranging a battery cell protection structure in the accommodating groove, the first protective member is located between the wireless charging module and one surface of the battery cell, and the second protective member is located between an inner wall surface of the shell and the other surface of the battery cell. When the mobile power supply falls, the first protective member and the second protective member effectively prevent the battery cell from being damaged by impact or punctured by external objects, providing effective protection for the battery cell without posing a safety hazard to the mobile power supply.
[0047] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A wireless charging mobile power supply, characterized by: It includes a shell, a battery cell, a wireless charging module and a battery cell protection structure; the shell has a accommodating groove; the battery cell is arranged in the accommodating groove; the wireless charging module is arranged in the accommodating groove and is in contact with the upper inner wall surface of the shell; the battery cell protection structure includes a first protective member and a second protective member, the first protective member is located between the upper inner wall surface of the shell and one surface of the battery cell, and the second protective member is located between the lower inner wall surface of the shell and the other surface of the battery cell.
2. The wireless charging mobile power supply according to claim 1, characterized in that: The first protection member is a heat sink.
3. The wireless charging mobile power supply according to claim 2, characterized in that: The heat sink is located between the wireless charging module and a surface of the battery core, and / or the heat sink is a heat sink made of infrared nano-heat dissipation material.
4. The wireless charging mobile power supply according to claim 2, characterized in that: It further includes a control board, which is arranged in the accommodating groove, the control board is connected to the battery core and the wireless charging module, and the heat sink covers the battery core and the control board.
5. The wireless charging mobile power supply according to any one of claims 1 to 4, characterized in that: The second protective member is a protective sheet.
6. The wireless charging mobile power supply according to claim 5, characterized in that: A bracket is provided on the shell.
7. The wireless charging mobile power supply according to claim 6, characterized in that: The bracket includes a fixing portion, a rotating shaft portion and a supporting portion. The fixing portion is riveted to the lower inner wall surface of the shell, the rotating shaft portion is arranged on the fixing portion, and the supporting portion is movably connected to the rotating shaft portion. The protective sheet is opposite to the riveted position of the fixing portion and the lower inner wall surface.
8. The wireless charging mobile power supply according to claim 5, characterized in that: The protective sheet is made of PC material, and the thickness of the protective sheet is 0.2 mm.
9. The wireless charging mobile power supply according to any one of claims 1 to 4, characterized in that: The second protective member is a buffer sheet, or the second protective member is a combination of a buffer sheet and a protective sheet.
10. The wireless charging mobile power supply according to claim 9, characterized in that: The buffer sheet is provided with an empty slot.
11. The wireless charging mobile power supply according to any one of claims 1 to 4, characterized in that: It further includes a third protective member, which is arranged on the surface of the battery core and located between the battery core and the wireless charging module.
12. The wireless charging mobile power supply according to claim 11, characterized in that: The first protection member is at least partially disposed between the third protection member and the battery cell.