Battery assembly and electronic cigarette with same

By designing a battery assembly without welding connection and connecting it with the negative electrode of the PCB board with a spring, the explosion risk caused by excessive temperature during the welding process of the battery in electronic cigarettes is solved, and the explosion risk is further reduced through the shock resistance of the spring, achieving the improvement of safety and production efficiency.

CN223008446UActive Publication Date: 2025-06-24芙麦科技(东莞)有限公司
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Patent Information

Application Number
CN202421808049.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-06-24
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

In existing electronic cigarettes, excessive temperature during battery welding leads to the risk of explosion, and shaking during transportation may lead to welding shedding and short circuit, increasing the risk of explosion.

Method used

A battery assembly is designed, including a bracket, PCB board and a battery. The battery is connected to the negative electrode of the PCB board through a spring to avoid welding, and the spring's shock resistance and buffering effect reduces the risk of explosion.

Benefits of technology

Through welding-free connections, the risk of battery explosion is reduced, while simplifying the installation process and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223008446U_ABST
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Abstract

The utility model discloses a battery assembly, which comprises a support, a PCB (printed circuit board) and a battery, the PCB and the battery are movably fixed on the support, one side of the PCB is provided with an anode elastic sheet and a spring, a first end of the spring is electrically connected with a cathode end of the PCB, and a second end of the spring is electrically connected with a cathode of the battery in a contact manner. The utility model further discloses an electronic cigarette which comprises the battery assembly, a shell, a top cover and a bottom cover, the shell is arranged at the bottom of the top cover, the bottom cover is arranged at the bottom of the shell, condensation cotton, oil seal silica gel and an oil cup are sequentially arranged in the shell from top to bottom, integrated cotton is arranged in the oil cup, and a heating core is arranged in the integrated cotton. The battery is pushed into the support, the positive electrode of the battery is in contact connection with the positive electrode elastic piece on one side of the PCB, the negative electrode of the battery is in contact connection with the second end of the spring, and then assembling is completed. According to the electronic cigarette, due to the fact that the battery does not need to be welded and the spring has the anti-vibration and buffering effects, the risk of battery explosion is greatly reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic cigarettes, and particularly relates to a battery assembly and an electronic cigarette having the assembly. Background Art

[0002] For the electronic cigarette, realizing automated production can help improve the production rate and market competitiveness. To achieve the automation of the electronic cigarette, the Chinese utility model patent with the patent number "CN221104777U" discloses a minimalist disposable electronic cigarette. In this minimalist disposable electronic cigarette, the mouthpiece is integrally formed on the upper shell. During installation, there is no need to separately fix and install the mouthpiece part, which is beneficial to simplifying the processes during product assembly, thereby reducing production costs and improving the production efficiency of the product. However, in this minimalist disposable electronic cigarette, since the battery body is mainly electrically connected to the PCB board through welding, the positive and negative plate PIN feet are then welded to the PCB board, and the positive and negative PIN feet are respectively connected to the two pins of the heating wire. Therefore, during the welding process between the battery body and the PCB board, too high welding temperature will cause the battery to have an explosion risk. In addition, during transportation, the battery welding may fall off due to shaking, resulting in a short circuit and an explosion risk.

[0003] Therefore, it is necessary to provide a battery assembly and an electronic cigarette having the assembly to overcome the above defects. Summary of the Utility Model

[0004] The main purpose of the utility model is to overcome the deficiencies in the prior art and provide a battery assembly and an electronic cigarette having the assembly to solve the problems in the prior art.

[0005] To achieve the above purpose, the technical solution provided by the utility model is: a battery assembly, including a bracket, a PCB board and a battery. The PCB board and the battery are movably fixed on the bracket. One side of the PCB board is provided with a positive electrode elastic sheet and a spring. The first end of the spring is electrically connected to the negative electrode end of the PCB board, and the second end of the spring is in contact electrical connection with the negative electrode of the battery.

[0006] As a further scheme of the utility model, it is characterized in that: the battery is a lithium iron phosphate battery, and its driving voltage value is set to 3.1 - 3.3V.

[0007] As a further scheme of the utility model, it is characterized in that: the surface of the positive plate elastic sheet is provided with a nickel plating layer.

[0008] As a further scheme of the utility model, it is characterized in that: the spring is provided with an intermediate part. One end of the intermediate part is connected to the first end of the spring, and the other end is connected to the second end of the spring.

[0009] As a further solution of the present utility model, it is characterized in that: the second end of the spring is provided with a stepped layered spiral structure.

[0010] The present utility model also provides an electronic cigarette, which includes the above-mentioned battery assembly, outer shell, top cover, and bottom cover. The outer shell is arranged at the bottom of the top cover, and the bottom cover is arranged at the bottom of the outer shell. Inside the outer shell, a condensation cotton, an oil seal silicone, and an oil cup are sequentially arranged from top to bottom. An integrated cotton is arranged inside the oil cup, and a heating core is arranged inside the integrated cotton.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] The present utility model discloses a battery assembly, which includes a bracket, a PCB board, and a battery. The PCB board and the battery are movably fixed on the bracket. A positive electrode elastic sheet and a spring are arranged on one side of the PCB board. The first end of the spring is electrically connected to the negative electrode end of the PCB board, and the second end of the spring is in contact electrical connection with the negative electrode of the battery. The present utility model also discloses an electronic cigarette, which includes the above-mentioned battery assembly, outer shell, top cover, and bottom cover. The outer shell is arranged at the bottom of the top cover, and the bottom cover is arranged at the bottom of the outer shell. Inside the outer shell, a condensation cotton, an oil seal silicone, and an oil cup are sequentially arranged from top to bottom. An integrated cotton is arranged inside the oil cup, and a heating core is arranged inside the integrated cotton. When the electronic cigarette is produced and assembled, the battery is pushed onto the bracket, and the positive electrode of the battery is respectively brought into contact connection with the positive electrode elastic sheet on one side of the PCB board, and the negative electrode of the battery is brought into contact connection with the second end of the spring, then the assembly can be completed. For this electronic cigarette, since the battery does not need to be welded, and because the spring has an earthquake-resistant and buffering effect, the risk of battery explosion is greatly reduced. Description of the Drawings

[0013] Figure 1 It is a schematic cross-sectional structure diagram of an electronic cigarette of the present utility model;

[0014] Figure 2 It is a schematic three-dimensional structure diagram of a battery assembly of the present utility model;

[0015] Figure 3 It is a schematic assembly structure diagram of the PCB board and the spring of a battery assembly of the present utility model;

[0016] Figure 4 It is a schematic cross-sectional structure diagram of the positive electrode elastic sheet of an electronic cigarette of the present utility model;

[0017] Element descriptions in the legend: 1 - bracket; 2 - PCB board; 21 - positive electrode elastic sheet; 211 - electroplated nickel layer; 22 - spring; 221 - first end of the spring; 222 - second end of the spring; 23 - middle part; 3 - battery; 4 - outer shell; 5 - top cover; 6 - bottom cover; 7 - condensation cotton; 8 - oil seal silicone; 9 - oil cup; 10 - integrated cotton; 11 - heating core. Detailed Embodiments

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Embodiment 1

[0020] Please refer to Figures 1-4 , in one embodiment of the present invention, a battery assembly includes a bracket 1, a PCB board 2 and a battery 3. The PCB board 2 and the battery 3 are movably fixed on the bracket 1. One side of the PCB board 2 is provided with a positive electrode elastic sheet 21 and a spring 22. The first end 221 of the spring is electrically connected to the negative electrode end of the PCB board 2, and the second end 222 of the spring is in contact electrical connection with the negative electrode of the battery 3. For this electronic cigarette, since the battery does not need to be welded, and because the spring has anti-seismic and buffering functions, the risk of battery explosion is greatly reduced. At the same time, the installation process is also simplified, which is beneficial to the improvement of production efficiency.

[0021] Based on the above embodiment, the battery 3 is a lithium iron phosphate battery, and its driving constant voltage is set to 3.1V. By using a low-voltage circuit to drive, the battery life is extended and the risk of battery explosion is reduced.

[0022] Based on the above embodiment, the battery 3 is a lithium iron phosphate battery, and its driving constant voltage is set to 3.2V. By using a low-voltage circuit to drive, the battery life is extended and the risk of battery explosion is reduced.

[0023] Based on the above embodiment, the battery 3 is a lithium iron phosphate battery, and its driving constant voltage is set to 3.3V. By using a low-voltage circuit to drive, the battery life is extended and the risk of battery explosion is reduced.

[0024] Based on the above embodiment, in order to ensure current conduction and achieve low-voltage driving performance, a nickel plating layer 211 is provided on the surface of the positive plate elastic sheet 21.

[0025] Based on the above embodiment, in order to better conduct the current of the battery 3, the spring 22 is provided with an intermediate part 23. One end of the intermediate part 23 is connected to the first end 221 of the spring, and the other end is connected to the second end 222 of the spring.

[0026] Based on the above embodiment, in order to improve the installation efficiency and stability of the spring 22, the second end 222 of the spring is set as a stepped layered spiral structure.

[0027] The present utility model also provides an electronic cigarette, which includes the above-mentioned battery assembly, an outer shell 4, a top cover 5, and a bottom cover 6. The outer shell 4 is disposed at the bottom of the top cover 5, and the bottom cover 6 is disposed at the bottom of the outer shell 4. A condensation cotton 7, an oil seal silica gel 8, and an oil cup 9 are sequentially disposed in the outer shell 4 from top to bottom. An integrated cotton 10 is disposed in the oil cup 9, and a heating core 11 is disposed in the integrated cotton 10. When the electronic cigarette is assembled during production, the battery is pushed onto the bracket, and the positive electrode of the battery is brought into contact connection with the positive electrode elastic piece on one side of the PCB board, and the negative electrode of the battery is brought into contact connection with the second end of the spring, thereby completing the assembly. For this electronic cigarette, since the battery does not need to be welded, and because the spring has shock-absorbing and buffering functions, the risk of battery explosion is greatly reduced.

[0028] The above detailed description is for a specific description of a feasible embodiment of the present utility model. However, the embodiment is not intended to limit the patent scope of the present utility model. Any equivalent implementation or modification made without departing from the technical spirit of the present utility model should be included in the patent scope of this case.

Claims

1. A battery assembly, comprising a bracket (1), a PCB board (2) and a battery (3), wherein the PCB board (2) and the battery (3) are movably fixed on the bracket (1), characterized in that: A positive electrode spring (21) and a spring (22) are provided on one side of the PCB board (2); the first end (221) of the spring is electrically connected to the negative terminal of the PCB board (2); and the second end (222) of the spring is electrically contact-connected to the negative electrode of the battery (3).

2. The battery assembly according to claim 1, characterized in that: The battery (3) is a lithium iron phosphate battery, and its driving voltage value is set to 3.1-3.3V.

3. The battery assembly according to claim 1, characterized in that: The surface of the positive electrode spring sheet (21) is provided with an electroplated nickel layer (211).

4. The battery assembly according to claim 1, characterized in that: The spring (22) is provided with a middle portion (23), one end of the middle portion (23) is connected to the first end (221) of the spring, and the other end of the middle portion (23) is connected to the second end (222) of the spring.

5. The battery assembly according to claim 1, characterized in that: The second end (222) of the spring is configured as a stepped layered spiral structure.

6. An electronic cigarette, characterized in that: It comprises a battery assembly and a shell (4), a top cover (5), and a bottom cover (6) as described in any one of claims 1 to 5, wherein the shell (4) is arranged at the bottom of the top cover (5), and the bottom cover (6) is arranged at the bottom of the shell (4). Condensation cotton (7), oil sealing silica gel (8), and an oil cup (9) are arranged in sequence from top to bottom in the shell (4), and an integrated cotton (10) is arranged in the oil cup (9), and a heating core (11) is arranged in the integrated cotton (10).

Citation Information

Patent Citations

  • Extremely simple disposable electronic cigarette

    CN221104777U