Waterproof battery

Abstract

The waterproof battery comprises a battery cell assembly, waterproof glue, an upper shell and a lower shell, the battery cell assembly is arranged in a containing space defined by the upper shell and the lower shell, the waterproof glue is arranged between the upper shell and the lower shell so as to bond the upper shell and the lower shell, the upper shell is provided with heat dissipation holes, and the heat dissipation holes are provided with waterproof breathable films. The heat dissipation holes are provided with the waterproof breathable films, gas in the waterproof battery can be discharged through the waterproof breathable films, water cannot enter the battery through the waterproof breathable films, the waterproof performance is guaranteed, meanwhile, the heat dissipation performance is greatly improved, and the problems that in the prior art, a waterproof battery is poor in heat dissipation performance, and spontaneous combustion or explosion accidents are likely to be caused are solved. Compared with a waterproof battery in the prior art, the safety performance of the waterproof battery is greatly enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a waterproof battery. Background Art

[0002] In recent years, lithium batteries have been favored by consumers due to their high energy density, low self-discharge rate and long life. The market for lithium batteries has continued to grow, and lithium batteries can now be seen in mobile devices such as smartphones and electric vehicles.

[0003] In order to make lithium batteries waterproof, the existing technology usually places the entire battery PACK in a waterproof sealed shell, which is very simple. However, it also has disadvantages, the most prominent of which is that its heat dissipation performance is greatly reduced, which can easily lead to spontaneous combustion or explosion accidents.

[0004] Therefore, it is necessary to improve the prior art to solve the problem of poor heat dissipation performance of the waterproof battery in the prior art. Utility Model Content

[0005] The utility model aims to provide a waterproof battery to solve the technical problem of poor heat dissipation performance of the waterproof battery in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A waterproof battery comprises a cell assembly, waterproof glue, an upper shell and a lower shell, wherein the cell assembly is arranged in a receiving space formed by the upper shell and the lower shell, the waterproof glue is arranged between the upper shell and the lower shell to bond the upper shell and the lower shell, the upper shell is provided with a heat dissipation hole, and the heat dissipation hole is provided with a waterproof breathable membrane.

[0008] Preferably, the battery cell assembly includes a plurality of battery cell units, and the plurality of battery cell units are arranged along a preset direction, each of the battery cell units includes a plurality of battery cells and a battery cell bracket for fixing the plurality of battery cells, one of the battery cell brackets of adjacent battery cell units is provided with a positioning column, and the other is provided with a positioning hole matching the positioning column, and the battery cell brackets of adjacent battery cell units are plugged into each other.

[0009] Preferably, the waterproof battery further comprises a protection plate, and the protection plate is electrically connected to the battery cell assembly.

[0010] Preferably, the waterproof battery further comprises a display unit, wherein the display unit is electrically connected to the battery cell assembly and is used to display the power level of the battery cell assembly.

[0011] Preferably, the display unit comprises a lamp board and a plurality of lamp beads, the lamp board is electrically connected to the battery core assembly, and the plurality of lamp beads are distributed on the lamp board at intervals.

[0012] Preferably, the battery cell assembly is a rechargeable battery cell assembly, the waterproof battery further comprises a charging and discharging socket and a locking piece, the upper shell is provided with an escape opening, the charging and discharging socket passes through the escape opening, and the locking piece is used to lock the charging and discharging socket and the upper shell.

[0013] Preferably, the battery cell unit further comprises a nickel sheet and an insulating sheet, wherein the nickel sheet is connected to the ends of the battery cell, and the insulating sheet is connected to the nickel sheet.

[0014] Preferably, the waterproof battery further comprises a connector, each of the cell holders is provided with a connecting hole, a first through hole is provided at a position of the protection plate corresponding to the connecting hole, and the connector passes through the first through hole and the connecting hole to lock the protection plate on the cell holder.

[0015] Preferably, the waterproof battery further comprises a waterproof silicone ring, and the waterproof silicone ring is connected to the charging and discharging female socket and is used to seal the charging and discharging female socket and the avoidance port.

[0016] Preferably, the battery cell holder is further provided with a protrusion, the upper shell is provided with a groove matching the protrusion, the protrusion is connected to the groove via an adhesive member, and adjacent battery cell unit holders are connected to each other via the adhesive member.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model designs a waterproof battery, which comprises a cell assembly, waterproof glue, an upper shell and a lower shell. The cell assembly is arranged in a containing space formed by the upper shell and the lower shell, the waterproof glue is arranged between the upper shell and the lower shell to bond the upper shell and the lower shell, the upper shell is provided with a heat dissipation hole, and the heat dissipation hole is provided with a waterproof breathable membrane. The gas inside the waterproof battery can be discharged through the waterproof breathable membrane, and water cannot enter the battery through the waterproof breathable membrane, thereby ensuring the waterproof performance and greatly enhancing the heat dissipation performance, solving the problem that the heat dissipation performance of the waterproof battery in the prior art is poor and is easy to cause spontaneous combustion or explosion accidents. Compared with the waterproof battery in the prior art, the safety performance of the waterproof battery of the utility model is greatly enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an exploded view of the waterproof battery of the utility model;

[0020] Figure 2 This is the overall structure diagram of the waterproof battery of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the battery core bracket of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the upper shell of the utility model.

[0023] Illustrations: 1. Upper shell; 2. Lower shell; 3. Battery cell; 4. Battery cell bracket; 5. Nickel sheet; 6. Insulating sheet; 7. Protective plate; 8. Protrusion; 9. Groove; 10. Charge and discharge socket; 11. Locking piece; 12. Waterproof silicone ring; 13. Positioning column; 14. Positioning hole. DETAILED DESCRIPTION

[0024] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0026] See also Figure 1-4 As shown, the waterproof battery designed in this embodiment includes a cell assembly, waterproof glue, an upper shell 1 and a lower shell 2. The cell assembly is arranged in a accommodating space formed by the upper shell 1 and the lower shell 2. The waterproof glue is arranged between the upper shell 1 and the lower shell 2 to bond the upper shell 1 and the lower shell 2. The upper shell 1 is provided with a heat dissipation hole, and the heat dissipation hole is provided with a waterproof breathable membrane.

[0027] It should be noted that the waterproof battery of the present invention is additionally provided with heat dissipation holes, and the heat dissipation holes are provided with a waterproof breathable membrane. The gas inside the waterproof battery can be discharged through the waterproof breathable membrane, and water cannot enter the battery through the waterproof breathable membrane. While ensuring the waterproof performance, the heat dissipation performance is also greatly enhanced, which solves the problem that the waterproof battery of the prior art has poor heat dissipation performance and is prone to spontaneous combustion or explosion accidents. Compared with the waterproof battery of the prior art, the safety performance of the waterproof battery of the present invention is greatly enhanced.

[0028] Specifically, the battery cell assembly includes a plurality of battery cell units, and the plurality of battery cell units are arranged along a preset direction. Each battery cell unit includes a plurality of battery cells 3 and a battery cell bracket 4 for fixing the plurality of battery cells 3. One of the battery cell brackets 4 of adjacent battery cell units is provided with a positioning column 13, and the other is provided with a positioning hole 14 matching the positioning column 13. The battery cell brackets 4 of adjacent battery cell units are plugged into each other.

[0029] Specifically, adjacent battery cell unit brackets are connected to each other via adhesive members.

[0030] It should be noted that the preset direction of the utility model is the length direction of the upper shell 1. Of course, in practical applications, it can also be along the width direction of the upper shell 1. The utility model does not limit this. In order to achieve the connection between adjacent battery cell units, the utility model is provided with positioning holes 14, positioning columns 13 and adhesive parts. The adhesive part is applied to one of the adjacent battery cell units, and then the positioning column 13 is inserted into the positioning hole 14, and the adjacent battery cells 3 can be bonded together. Of course, it should be noted that the connection between adjacent battery cell units can also be achieved by snaps or bolts.

[0031] Specifically, the waterproof battery further includes a protection board 7, which is electrically connected to a battery cell assembly, and the battery cell assembly is a rechargeable battery cell assembly. The battery cell assembly can monitor the voltage of the battery cell assembly in real time to avoid overcharging or overdischarging problems and extend the service life of the battery cell assembly.

[0032] Specifically, the waterproof battery also includes a display unit, which is electrically connected to the battery cell assembly and is used to display the power level of the battery cell assembly.

[0033] Specifically, the display unit includes a lamp board and a plurality of lamp beads. The lamp board is electrically connected to the battery core assembly, and the plurality of lamp beads are distributed at intervals on the lamp board.

[0034] The utility model has four lamp beads. When the power of the battery assembly is lower than 25%, none of the lamp beads light up. When the power of the battery assembly exceeds 25% but lower than 50%, one lamp bead lights up. When the power of the battery assembly exceeds 50% but lower than 75%, two lamp beads light up. When the power of the battery assembly exceeds 75% but lower than 100%, three lamp beads light up. However, when the power of the battery assembly reaches 100%, four lamp beads light up. People can judge the power of the battery assembly by the number of lit lamp beads.

[0035] Specifically, the waterproof battery also includes a charging and discharging socket 10 and a locking piece 11. The upper shell 1 is provided with an escape hole, the charging and discharging socket 10 passes through the escape hole, and the locking piece 11 is used to lock the charging and discharging socket 10 and the upper shell 1. The charging and discharging socket 10 of the utility model integrates a charging port and a discharging port. The charging and discharging socket 10 is connected to an external device, and the waterproof battery can power the external device. The charging and discharging socket 10 is connected to an external power source, and the external power source can charge the waterproof battery.

[0036] Specifically, in order to enhance the waterproof performance, the waterproof battery further includes a waterproof silicone ring 12, and the waterproof silicone ring 12 is connected to the charge and discharge socket 10 and is used to seal the charge and discharge socket 10 and the avoidance port.

[0037] Specifically, the battery cell unit further includes a nickel sheet 5 and an insulating sheet 6, wherein the nickel sheet 5 is connected to the end of the battery cell 3, and the insulating sheet 6 is connected to the nickel sheet 5. It should be noted that in order to enhance the connection performance and avoid falling off, the nickel sheet 5 of this embodiment is welded to the battery cell 3, and the insulating sheet 6 is welded to the nickel sheet 5.

[0038] Specifically, the waterproof battery further includes a connector, each battery holder 4 is provided with a connecting hole, a first through hole is provided at a position corresponding to the connecting hole of the protective plate 7, and the connector passes through the first through hole and the connecting hole to lock the protective plate 7 on the battery holder 4. The connector of this embodiment is a bolt, and when the protective plate 7 needs to be installed, the bolt is passed through the first through hole and threadedly connected to the connecting hole, and the protective plate 7 can be locked on the battery holder 4. Of course, in practical applications, people can also fix the protective plate 7 by snaps or other methods.

[0039] Specifically, the cell holder 4 is further provided with a protrusion 8, the upper shell 1 is provided with a groove 9 matching the protrusion 8, the protrusion 8 is connected to the groove 9 by an adhesive, and adjacent cell unit holders are connected to each other by an adhesive. In this embodiment, the protrusion 8 of the cell holder 4 is bonded to the groove 9 of the upper shell 1, the cell assembly cannot move in the accommodation space, and the protrusions 8 can support the upper shell 1 to prevent the upper shell 1 from deforming.

[0040] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0041] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A waterproof battery, comprising a cell assembly, a waterproof glue, an upper shell and a lower shell, wherein the cell assembly is arranged in a receiving space formed by the upper shell and the lower shell, and the waterproof glue is arranged between the upper shell and the lower shell to bond the upper shell and the lower shell, characterized in that: The upper shell is provided with heat dissipation holes, and the heat dissipation holes are provided with waterproof and breathable membranes.

2. The waterproof battery according to claim 1, characterized in that: The battery cell assembly includes a plurality of battery cell units, and the plurality of battery cell units are arranged along a preset direction. Each of the battery cell units includes a plurality of battery cells and a battery cell bracket for fixing the plurality of battery cells. One of the battery cell brackets of adjacent battery cell units is provided with a positioning column, and the other is provided with a positioning hole matching the positioning column. The battery cell brackets of adjacent battery cell units are plugged into each other.

3. The waterproof battery according to claim 2, characterized in that: It also includes a protection plate, which is electrically connected to the battery cell assembly.

4. The waterproof battery according to claim 1, characterized in that: It also includes a display unit, which is electrically connected to the battery cell assembly and is used to display the power level of the battery cell assembly.

5. The waterproof battery according to claim 4, characterized in that: The display unit comprises a lamp board and a plurality of lamp beads, wherein the lamp board is electrically connected to the battery core assembly, and the plurality of lamp beads are distributed on the lamp board at intervals.

6. The waterproof battery according to claim 1, characterized in that: The battery cell assembly is a rechargeable battery cell assembly, and the waterproof battery also includes a charging and discharging socket and a locking piece. The upper shell is provided with an escape opening, the charging and discharging socket passes through the escape opening, and the locking piece is used to lock the charging and discharging socket and the upper shell.

7. The waterproof battery according to claim 2, characterized in that: The battery cell unit further includes a nickel sheet and an insulating sheet, wherein the nickel sheet is connected to the ends of the battery cell, and the insulating sheet is connected to the nickel sheet.

8. The waterproof battery according to claim 3, characterized in that: It also includes a connecting piece, each of the battery cell holders is provided with a connecting hole, the protection plate is provided with a first through hole corresponding to the connecting hole, and the connecting piece passes through the first through hole and the connecting hole to lock the protection plate on the battery cell holder.

9. The waterproof battery according to claim 6, characterized in that: It also includes a waterproof silicone ring, which is connected to the charging and discharging female socket and is used to seal the charging and discharging female socket and the avoidance port.

10. The waterproof battery according to claim 2, characterized in that: The battery cell bracket is also provided with a protrusion, the upper shell is provided with a groove matching the protrusion, the protrusion is connected to the groove through an adhesive member, and adjacent battery cell unit brackets are connected to each other through the adhesive member.

Images