Short circuit tool for positive electrode and negative electrode of cylindrical super capacitor

Abstract

The short circuit tool comprises a connecting rod, one end of the connecting rod is fixedly connected with an outer arc tube, and the other end of the connecting rod is fixedly connected with an inner arc tube; the super capacitor is sleeved between the outer arc tube and the inner arc tube, the outer arc tube is sleeved in the super capacitor rolling groove, and the inner arc tube is sleeved on the periphery of the super capacitor pole. The short circuit tool for the positive electrode and the negative electrode of the cylindrical super capacitor solves the problem that the internal voltage of the super capacitor is uneven.

Description

Technical Field

[0001] This utility model belongs to the field of supercapacitor equipment technology, specifically relating to a shorting fixture for the positive and negative terminals of a cylindrical supercapacitor. Background Technology

[0002] Supercapacitors, as a novel energy storage device, are gradually emerging in the field of energy storage. Positioned between traditional capacitors and rechargeable batteries, they possess remarkable high-capacity characteristics, with capacitance values ​​reaching hundreds to thousands of farads – a qualitative leap compared to traditional capacitors. Traditional capacitors typically have smaller capacities, only meeting the needs of simple circuits with low energy storage requirements. Supercapacitors, with their larger capacity, not only excel in energy storage but also boast impressive specific energy or energy density, storing more energy per unit mass or volume, enabling the efficient operation of numerous devices. Furthermore, supercapacitors have a wide operating temperature range, meaning they can operate stably in extremely cold or hot environments, unlike some traditional energy storage devices that suffer significant performance degradation due to drastic temperature changes. Their extremely long lifespan also gives them a significant advantage in various application scenarios, reducing the costs and resource waste associated with frequent energy storage device replacements.

[0003] Compared to batteries, supercapacitors also have significant advantages, including higher specific power, enabling them to rapidly release large amounts of energy in a short time to meet the high power demands of equipment during startup and acceleration. Furthermore, supercapacitors are environmentally friendly throughout their operation, aligning with current green and environmentally conscious development principles. Unlike batteries, they do not cause heavy metal pollution or other environmental problems during production, use, and disposal.

[0004] Supercapacitors are novel energy storage devices that store energy through a bilayer interface formed between electrodes and electrolytes. In practical applications, when a supercapacitor is in its individual state and before it is assembled into a module, the presence of internal polarization causes voltage rebound within the individual cell. This internal polarization is essentially due to the interaction between the electrodes and the electrolyte, resulting in uneven charge distribution on the electrode surface, which in turn triggers abnormal voltage changes. This voltage rebound phenomenon further causes uneven voltage distribution within the individual cell.

[0005] When these individual cells are assembled into a module, the voltage differences that already exist between the individual cells will accumulate further, eventually leading to a large voltage drop across the module. This large voltage drop not only affects the overall performance of the supercapacitor module, such as reducing energy conversion efficiency and shortening its lifespan, but may also cause safety hazards in certain extreme cases, damaging equipment and related systems that use the supercapacitor module. Utility Model Content

[0006] The purpose of this invention is to provide a shorting fixture for the positive and negative terminals of a cylindrical supercapacitor, which solves the problem of inconsistent internal voltages in supercapacitors.

[0007] The technical solution adopted in this utility model is a short-circuiting fixture for the positive and negative terminals of a cylindrical supercapacitor, including a connecting rod, an outer arc tube fixed to one end of the connecting rod, and an inner arc tube fixed to the other end of the connecting rod.

[0008] The supercapacitor is fitted between an outer circular arc tube and an inner circular arc tube. The outer circular arc tube is fitted inside the supercapacitor's groove, and the inner circular arc tube is fitted around the supercapacitor's electrode.

[0009] The features of this utility model also include:

[0010] The connecting rod is an L-shaped structure consisting of a vertical rod and a horizontal rod. The end of the vertical rod that is not connected to the horizontal rod is fixed to one end of the outer arc tube. The other end of the outer arc tube is used to connect the supercapacitor. The vertical rod is perpendicular to the outer arc tube.

[0011] One end of the horizontal bar that is not connected to the vertical bar is fixed to one end of the inner arc tube. The other end of the inner arc tube is used to connect the supercapacitor. The outer arc tube is parallel to the inner arc tube.

[0012] The notch angle of the outer circular arc tube is 0°-180°.

[0013] The notch angle of the inner circular arc tube is 180°-270°.

[0014] The outer and inner circular arc tubes are concentric, and the diameter of the outer circular arc tube is larger than that of the inner circular arc tube.

[0015] The diameter of the outer arc tube is 30mm-100mm.

[0016] The diameter of the inner arc tube is 2mm-30mm.

[0017] The connecting rod, outer arc tube, and inner arc tube are all made of stainless steel.

[0018] The beneficial effects of this utility model are:

[0019] This invention provides a short-circuiting fixture for the positive and negative terminals of a cylindrical supercapacitor. By embedding an outer arc-shaped tube into the recessed sealing position of the supercapacitor's groove, the groove and the outer arc-shaped tube are tightly fitted together. Then, an inner arc-shaped tube is fitted around the supercapacitor's electrode, ensuring a tight fit between the electrode and the inner arc-shaped tube. This not only guarantees the stability of the physical connection but also provides a solid foundation for the subsequent conduction process. At this point, the fixture acts as a conductor, establishing a current path between the positive and negative terminals of the supercapacitor, thereby enabling connection and discharge between the terminals. This completely reduces the voltage of each individual supercapacitor to 0V, solving the problem of uneven voltage distribution within the supercapacitor. It improves the voltage level of the individual supercapacitors within the module after assembly, resulting in more uniform voltage across the modules and ultimately enhancing the overall performance stability and reliability of the module.

[0020] The short-circuiting fixture for the positive and negative terminals of a cylindrical supercapacitor provided by this utility model has multiple contact points after installation, providing more current channels for the discharge process, resulting in better discharge effect. It can more quickly and effectively reduce the voltage of a single supercapacitor cell to 0V, further ensuring the consistency of the voltage of the single supercapacitor cells.

[0021] The short-circuiting fixture for the positive and negative electrodes of a cylindrical supercapacitor provided by this utility model has a simple structure, without complex parts and cumbersome assembly procedures, low manufacturing cost, and convenient manual installation. The tight fit design of the outer arc tube with the supercapacitor groove and the inner arc tube with the supercapacitor electrode ensures that the fixture is firmly secured and not easy to fall off after installation. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to this utility model.

[0023] Figure 2 This is a schematic diagram of the structure of this utility model installed on a supercapacitor;

[0024] Figure 3 This is a schematic diagram of the negative electrode structure of the supercapacitor installed on the supercapacitor according to this utility model.

[0025] In the diagram: 1. Outer arc tube; 2. Inner arc tube; 3. Connecting rod; 31. Vertical rod; 32. Horizontal rod. Detailed Implementation

[0026] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0027] The present invention provides a shorting fixture for the positive and negative terminals of a cylindrical supercapacitor, such as... Figure 1As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0028] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0029] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0030] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0031] The notch angle of the outer circular arc tube 1 is 0°-180°.

[0032] The notch angle of the inner circular arc tube 2 is 180°-270°.

[0033] The outer circular arc tube 1 and the inner circular arc tube 2 are concentric, and the diameter of the outer circular arc tube 1 is larger than the diameter of the inner circular arc tube 2.

[0034] The diameter of the outer circular arc tube 1 is 30mm-100mm.

[0035] The diameter of the inner arc tube 2 is 2mm-30mm.

[0036] Connecting rod 3, outer arc tube 1 and inner arc tube 2 are all made of stainless steel.

[0037] The shorting fixture used for the positive and negative terminals of cylindrical supercapacitors is made of stainless steel, including SUS304, SUS316, SUS304L, SUS304N, SUS316L, SUS201, SUS430, SUS410, etc.

[0038] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor provided by this utility model works on the following principle: Figure 2 As shown, gently pry open the outer arc tube 1 manually and insert it from the negative electrode side of the supercapacitor. Embed the outer arc tube 1 into the recessed position of the supercapacitor groove sealing opening. At this time, the supercapacitor groove and the outer arc tube 1 fit tightly together, as shown. Figure 3 As shown, manually fit the inner arc tube 2 around the supercapacitor electrode. The supercapacitor electrode and the inner arc tube 2 fit tightly together. At this time, the short-circuit fixture is installed. When unloading the short-circuit fixture, follow the reverse of the above installation steps.

[0039] Example 1

[0040] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor proposed in this embodiment, such as... Figure 1 As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0041] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0042] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0043] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0044] Example 2

[0045] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor proposed in this embodiment, such as... Figure 1 As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0046] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0047] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0048] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0049] The notch angle of the outer circular arc tube 1 is 0°-180°.

[0050] Example 3

[0051] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor proposed in this embodiment, such as... Figure 1 As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0052] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0053] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0054] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0055] The notch angle of the outer circular arc tube 1 is 0°-180°.

[0056] The notch angle of the inner circular arc tube 2 is 180°-270°.

[0057] Example 4

[0058] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor proposed in this embodiment, such as... Figure 1 As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0059] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0060] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0061] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0062] The notch angle of the outer circular arc tube 1 is 0°-180°.

[0063] The notch angle of the inner circular arc tube 2 is 180°-270°.

[0064] The outer circular arc tube 1 and the inner circular arc tube 2 are concentric, and the diameter of the outer circular arc tube 1 is larger than the diameter of the inner circular arc tube 2.

[0065] Example 5

[0066] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor proposed in this embodiment, such as... Figure 1 As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0067] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0068] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0069] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0070] The notch angle of the outer circular arc tube 1 is 0°-180°.

[0071] The notch angle of the inner circular arc tube 2 is 180°-270°.

[0072] The outer circular arc tube 1 and the inner circular arc tube 2 are concentric, and the diameter of the outer circular arc tube 1 is larger than the diameter of the inner circular arc tube 2.

[0073] The diameter of the outer circular arc tube 1 is 30mm-100mm.

[0074] Example 6

[0075] The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor proposed in this embodiment, such as... Figure 1 As shown, it includes a connecting rod 3, one end of which is fixedly connected to an outer arc tube 1, and the other end of which is fixedly connected to an inner arc tube 2.

[0076] The supercapacitor is fitted between the outer arc tube 1 and the inner arc tube 2. The outer arc tube 1 is fitted inside the supercapacitor groove, at which time the supercapacitor groove and the outer arc tube 1 are tightly fitted. The inner arc tube 2 is fitted around the supercapacitor electrode, at which time the supercapacitor electrode and the inner arc tube 2 are tightly fitted.

[0077] The connecting rod 3 is an L-shaped structure formed by connecting the vertical rod 31 and the horizontal rod 32. The end of the vertical rod 31 that is not connected to the horizontal rod 32 is fixed to one end of the outer arc tube 1. The other end of the outer arc tube 1 is used to connect the supercapacitor. The vertical rod 31 is perpendicular to the outer arc tube 1.

[0078] The end of the horizontal bar 32 that is not connected to the vertical bar 31 is fixed to one end of the inner arc tube 2. The other end of the inner arc tube 2 is used to connect the supercapacitor. The outer arc tube 1 is parallel to the inner arc tube 2.

[0079] The notch angle of the outer circular arc tube 1 is 0°-180°.

[0080] The notch angle of the inner circular arc tube 2 is 180°-270°.

[0081] The outer circular arc tube 1 and the inner circular arc tube 2 are concentric, and the diameter of the outer circular arc tube 1 is larger than the diameter of the inner circular arc tube 2.

[0082] The diameter of the outer circular arc tube 1 is 30mm-100mm.

[0083] The diameter of the inner arc tube 2 is 2mm-30mm.

[0084] Connecting rod 3, outer arc tube 1 and inner arc tube 2 are all made of stainless steel.

[0085] The shorting fixture used for the positive and negative terminals of cylindrical supercapacitors is made of stainless steel, including SUS304, SUS316, SUS304L, SUS304N, SUS316L, SUS201, SUS430, SUS410, etc.

Claims

1. A shorting fixture for the positive and negative terminals of a cylindrical supercapacitor, characterized in that, Includes a connecting rod (3), one end of which is fixedly connected to an outer arc tube (1), and the other end of which is fixedly connected to an inner arc tube (2); The supercapacitor is fitted between the outer arc tube (1) and the inner arc tube (2). The outer arc tube (1) is fitted inside the supercapacitor groove, and the inner arc tube (2) is fitted around the supercapacitor electrode.

2. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 1, characterized in that, The connecting rod (3) is an L-shaped structure formed by connecting a vertical rod (31) and a horizontal rod (32). The end of the vertical rod (31) that is not connected to the horizontal rod (32) is fixed to one end of the outer arc tube (1). The other end of the outer arc tube (1) is used to connect to a supercapacitor. The vertical rod (31) is perpendicular to the outer arc tube (1).

3. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 2, characterized in that, One end of the horizontal bar (32) that is not connected to the vertical bar (31) is fixed to one end of the inner arc tube (2), and the other end of the inner arc tube (2) is used to connect to the supercapacitor. The outer arc tube (1) is parallel to the inner arc tube (2).

4. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 1, characterized in that, The missing angle of the outer circular arc tube (1) is 0°-180°.

5. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 1, characterized in that, The notched angle of the inner circular arc tube (2) is 180°-270°.

6. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 3, characterized in that, The outer arc tube (1) is concentric with the inner arc tube (2), and the diameter of the outer arc tube (1) is larger than the diameter of the inner arc tube (2).

7. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 6, characterized in that, The diameter of the outer circular arc tube (1) is 30mm-100mm.

8. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 6, characterized in that, The diameter of the inner circular arc tube (2) is 2mm-30mm.

9. The shorting fixture for the positive and negative terminals of a cylindrical supercapacitor according to claim 1, characterized in that, The connecting rod (3), the outer arc tube (1) and the inner arc tube (2) are all made of stainless steel.

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