Cylindrical alkaline battery with ultrahigh constant-current discharge performance
By designing the limit structure and multiple sets of diaphragms of explosion-proof boards and sealing boards in alkaline batteries, the problem of unstable discharge performance caused by the core movement is solved, and ultra-high constant current discharge performance is achieved. The structure is simple and practical. .
Patent Information
- Application Number
- CN202420951599.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-06
AI Technical Summary
When traditional cylindrical alkaline batteries are subjected to external forces such as vibration, the extreme core is prone to squirting, causing deformation of the sealing plate and explosion-proof plate, affecting the stability of discharge performance.
An ultra-high constant current discharge performance cylindrical alkaline battery including metal shell, carbon rod, positive terminal, negative terminal and explosion-proof plate was designed, and arc-shaped bumps and arc-shaped grooves were provided on the explosion-proof plate and sealing plate. The limit structure of the positioning structure improves the connecting force, avoids the deviation of the carbon rod, and sets multiple sets of diaphragms and fillers inside to achieve stable discharge.
It effectively avoids the impact of external vibration on discharge performance, improves the stability and constant current performance of discharge, and has a simple structure and strong practicality.
Smart Images
Figure CN222355184U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to alkaline batteries, in particular to a cylindrical alkaline battery with ultra-high constant current discharge performance. Background Art
[0002] Traditional cylindrical batteries include a cylindrical shell, a pole core, an insulating sheet, an insulating tape, a sealing ring and a cap assembly. A positive electrode tab and a negative electrode tab are respectively provided at both ends of the pole core, and connecting sheets are connected to the positive electrode tab and the negative electrode tab. During installation, the pole core with the positive electrode tab, the negative electrode tab and the connecting sheet is usually loaded into a shell with an opening at one end, and then the cap assembly with the connecting assembly is squeezed onto the open end of the shell by sealing to achieve battery sealing.
[0003] When alkaline batteries are subjected to external forces such as vibration, the pole core is prone to movement in its axial direction, and the pole core directly transmits the force to the sealing plate and the explosion-proof plate during the movement, which easily causes the sealing plate and the explosion-proof plate to deform, thereby reducing the battery discharge performance and making it unstable during discharge to externally connected equipment. In this regard, the utility model provides a cylindrical alkaline battery with ultra-high constant current discharge performance. Utility Model Content
[0004] The purpose of the present application is to provide a cylindrical alkaline battery with ultra-high constant current discharge performance to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a cylindrical alkaline battery with ultra-high constant current discharge performance, comprising a metal shell, a carbon rod, a positive terminal, a negative terminal and an explosion-proof plate, wherein the positive terminal is arranged at one end of the metal shell, the carbon rod is arranged at the bottom side of the positive terminal in the metal shell, and the carbon rod is fixedly installed at the inner center of the metal shell, an anode filling body is arranged at the periphery of the carbon rod in the metal shell, a side diaphragm is arranged at the periphery of the anode filling body in the metal shell, a sealing plate is arranged on the bottom side of the positive terminal on the metal shell, and a sealing plate is arranged on the metal shell at the bottom side of the positive terminal. An explosion-proof plate is arranged on one side of the bottom of the sealing plate, the center of the explosion-proof plate is an arc-shaped structure, and the arc-shaped protruding structure of the explosion-proof plate is away from one end of the positive terminal, and the explosion-proof plate is surrounded by a circular ring structure, and a plurality of arc-shaped grooves are evenly arranged around the bottom of the sealing plate, and a plurality of arc-shaped protrusions that match the arc-shaped grooves are evenly arranged on the top of the explosion-proof plate on the circular ring, and the arc-shaped protrusions are limitedly placed in the arc-shaped grooves, and the negative terminal is arranged at the other end of the metal shell, and a cathode filling body is arranged on the outer side of the side diaphragm in the metal shell, and an air vent is opened on the metal shell at the positive terminal.
[0006] Preferably, a top diaphragm is provided on one side of the bottom of the sealing plate on the metal shell, and the top diaphragm is located on the top of the anode filling body.
[0007] Preferably, a pole head is provided on one side of the bottom of the sealing plate in the metal shell, and the bottom of the pole head is connected to the bottom end of the carbon rod, and the pole head passes through a hole opened in the middle end of the explosion-proof plate.
[0008] Preferably, a bottom diaphragm is provided at one end of the bottom of the metal shell, and the negative terminal is provided at one side of the bottom of the bottom diaphragm in the metal shell.
[0009] Preferably, the side diaphragm is an annular structure, and the metal shell is a steel shell structure.
[0010] Preferably, an insulating plate is provided between one side of the top of the sealing plate and the positive terminal, and the insulating plate is made of elastic insulating material with a ring structure.
[0011] Preferably, the anode filler contains a mixture of zinc powder and potassium hydroxide, and the cathode filler contains manganese dioxide and NH4CI paste.
[0012] In summary, the technical effects and advantages of the utility model are:
[0013] 1. In the utility model, the connection force is improved by the explosion-proof plate and the sealing plate to avoid the internal carbon rod from deviating and affecting the ultra-high constant current discharge performance. The arc-shaped protrusions on the explosion-proof plate are aligned with the arc-shaped grooves on the sealing plate to improve the connection stability between the explosion-proof plate and the sealing plate, avoid external vibration affecting the internal discharge performance, and the structure is simple and stable.
[0014] 2. In the utility model, the internal carbon rod, the positive terminal, the negative terminal, the pole head, the cathode filling body, the anode filling body and multiple groups of diaphragms are used to realize the stable constant current discharge of the alkaline battery, the discharge effect is good, the structure is simple and stable, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 This is a schematic three-dimensional diagram of the overall structure of a cylindrical alkaline battery with ultra-high constant current discharge performance in an embodiment of the present application;
[0017] Figure 2 This is a schematic front view of the internal structure of a cylindrical alkaline battery with ultra-high constant current discharge performance in an embodiment of the present application;
[0018] Figure 3 This is a schematic front view of the internal structure of the positive electrode of a cylindrical alkaline battery with ultra-high constant current discharge performance in an embodiment of the present application;
[0019] Figure 4 This is a schematic diagram of the explosion-proof plate connection structure of a cylindrical alkaline battery with ultra-high constant current discharge performance in an embodiment of the present application.
[0020] In the figure: 1. Metal shell; 2. Carbon rod; 3. Positive terminal; 4. Negative terminal; 5. Explosion-proof plate; 6. Anode filling body; 7. Side diaphragm; 8. Sealing plate; 9. Arc-shaped groove; 10. Cathode filling body; 11. Top diaphragm; 12. Pole head; 13. Hole; 14. Bottom diaphragm; 15. Insulating plate; 16. Arc-shaped protrusion; 17. Air vent. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, 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.
[0022] Example: Reference Figure 1-4The cylindrical alkaline battery with ultra-high constant current discharge performance shown in the figure includes a metal shell 1, a carbon rod 2, a positive terminal 3, a negative terminal 4 and an explosion-proof plate 5, including a positive terminal 3 arranged at one end of the metal shell 1, a carbon rod 2 is arranged at the bottom side of the positive terminal 3 in the metal shell 1, and the carbon rod 2 is fixedly installed at the inner center of the metal shell 1, and the structure is simple and stable. An anode filling body 6 is arranged on the periphery of the carbon rod 2 in the metal shell 1, and a side diaphragm 7 is arranged on the periphery of the anode filling body 6 in the metal shell 1 to realize the discharge of positive and negative electrodes; the structure is stable and the discharge performance is strong. A sealing plate 8 is arranged on the bottom side of the positive terminal 3 on the metal shell 1, and an explosion-proof plate 5 is arranged on the bottom side of the sealing plate 8 on the metal shell 1 to prevent the pole core from directly being used as a pole during the movement process. The force is transmitted to the sealing plate and the explosion-proof plate, which can easily cause deformation of the sealing plate and the explosion-proof plate. The center of the explosion-proof plate 5 is an arc structure, and the arc-shaped protruding structure of the explosion-proof plate 5 is far away from one end of the positive terminal 3. The explosion-proof plate 5 is surrounded by a circular ring structure with a simple and stable structure. Several arc-shaped grooves 9 are evenly arranged around the bottom of the sealing plate 8, and the top of the explosion-proof plate 5 is located on the circular ring and is evenly provided with several arc-shaped convex points 16 that coincide with the arc-shaped grooves 9. The arc-shaped convex points 16 are limitedly placed in the arc-shaped grooves 9, and the limited structure is stable. A negative terminal 4 is arranged at the other end of the metal shell 1, and a cathode filling body 10 is arranged on the outside of the side diaphragm 7 in the metal shell 1. An air hole 17 is opened at the positive terminal 3 on the metal shell 1 to improve the air permeability and have a stable structure.
[0023] See also Figure 2 — Figure 4 A top diaphragm 11 is arranged on the bottom side of the sealing plate 8 on the metal shell 1, and the top diaphragm 11 is located on the top of the anode filling body 6, and the structure is simple. A pole head 12 is arranged on the bottom side of the sealing plate 8 in the metal shell 1, and the bottom of the pole head 12 is connected to the bottom end of the carbon rod 2, and the pole head 12 passes through the hole 13 opened in the middle end of the explosion-proof plate 5, and the connection is through-connected, and the structure is simple. A bottom diaphragm 14 is arranged at one end of the bottom of the metal shell 1, and a negative terminal 4 is arranged on the bottom side of the bottom diaphragm 14 in the metal shell 1. The side diaphragm 7 is an annular structure, and the metal shell 1 is a steel shell structure. An insulating plate 15 is arranged between the top side of the sealing plate 8 and the positive terminal 3, and the insulating plate 15 is an elastic insulating material of an annular structure. The anode filling body 6 contains a mixture of zinc powder and potassium hydroxide, and the cathode filling body 10 contains manganese dioxide and NH4CI paste, which improves the ultra-high constant current discharge performance of the alkaline battery.
[0024] The working principle of this utility model is as follows: the connection force is improved by using the explosion-proof plate and the sealing plate to avoid the internal carbon rod from deviating and affecting the ultra-high constant current discharge performance; the arc-shaped protrusions on the explosion-proof plate are aligned with the arc-shaped grooves on the sealing plate to improve the connection stability between the explosion-proof plate and the sealing plate, and avoid the external vibration from affecting the internal discharge performance, while the structure is simple and stable.
[0025] The internal carbon rod, positive terminal, negative terminal, pole head, cathode filling body, anode filling body and multiple groups of diaphragms are used to realize stable constant current discharge of alkaline batteries, with good discharge effect, simple and stable structure and strong practicality.
[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cylindrical alkaline battery with ultra-high constant current discharge performance, comprising a metal shell (1), a carbon rod (2), a positive terminal (3), a negative terminal (4) and an explosion-proof plate (5), characterized in that: The invention comprises a metal shell (1) having a positive terminal (3) disposed at one end thereof, a carbon rod (2) disposed at the bottom side of the positive terminal (3) in the metal shell (1), and the carbon rod (2) is fixedly mounted at the inner center of the metal shell (1), an anode filler (6) is disposed at the periphery of the carbon rod (2) in the metal shell (1), a side diaphragm (7) is disposed at the periphery of the anode filler (6) in the metal shell (1), a sealing plate (8) is disposed at the bottom side of the positive terminal (3) on the metal shell (1), an explosion-proof plate (5) is disposed at the bottom side of the sealing plate (8) on the metal shell (1), and the center of the explosion-proof plate (5) is an arc-shaped structure. The arc-shaped protruding structure of the explosion-proof plate (5) is away from one end of the positive terminal (3), and the explosion-proof plate (5) is in a circular ring structure. A plurality of arc-shaped grooves (9) are evenly arranged around the bottom of the sealing plate (8), and a plurality of arc-shaped protrusions (16) that match the arc-shaped grooves (9) are evenly arranged on the top of the explosion-proof plate (5) on the circular ring. The arc-shaped protrusions (16) are limitedly placed in the arc-shaped grooves (9). The negative terminal (4) is arranged at the other end of the metal shell (1), and a cathode filling body (10) is arranged on the outer side of the side diaphragm (7) in the metal shell (1). A vent hole (17) is opened on the metal shell (1) at the positive terminal (3).
2. The cylindrical alkaline battery with ultra-high constant current discharge performance according to claim 1, characterized in that: A top diaphragm (11) is provided on one side of the bottom of the sealing plate (8) on the metal shell (1), and the top diaphragm (11) is located on the top of the anode filling body (6).
3. The cylindrical alkaline battery with ultra-high constant current discharge performance according to claim 1, characterized in that: A pole head (12) is provided on one side of the bottom of the sealing plate (8) in the metal shell (1), and the bottom of the pole head (12) is connected to the bottom end of the carbon rod (2), and the pole head (12) passes through a hole (13) provided at the middle end of the explosion-proof plate (5).
4. The cylindrical alkaline battery with ultra-high constant current discharge performance according to claim 1, characterized in that: A bottom diaphragm (14) is provided at one end of the bottom of the metal shell (1), and the negative electrode terminal (4) is provided on one side of the bottom of the bottom diaphragm (14) in the metal shell (1).
5. The cylindrical alkaline battery with ultra-high constant current discharge performance according to claim 1, characterized in that: The side diaphragm (7) is an annular structure, and the metal shell (1) is a steel shell structure.
6. The cylindrical alkaline battery with ultra-high constant current discharge performance according to claim 1, characterized in that: An insulating plate (15) is provided between one side of the top of the sealing plate (8) and the positive terminal (3), and the insulating plate (15) is made of an elastic insulating material with a ring structure.
7. The cylindrical alkaline battery with ultra-high constant current discharge performance according to claim 1, characterized in that: The anode filler (6) contains a mixture of zinc powder and potassium hydroxide, while the cathode filler (10) contains manganese dioxide and NH4CI paste.