Electrolytic capacitor riveting resistance detection device

Abstract

The utility model provides a riveting resistance detection device for an electrolytic capacitor, which is used for detecting the riveting resistance at the riveting point of an aluminum foil and a guide pin, and comprises a measuring platform for placing the aluminum foil and the guide pin; the fixing parts comprise a first fixing part and a second fixing part which are oppositely arranged, the first fixing part is movably connected with the measuring platform and used for fixing the aluminum foil, and the second fixing part is movably connected with the measuring platform and used for fixing the guide pin; and the measuring pins comprise a first measuring pin and a second measuring pin, the first measuring pin is electrically connected with the aluminum foil, and the second measuring pin is electrically connected with the guide pin. The electrolytic capacitor riveting resistance detection device provided by the utility model solves the technical problem of low measurement efficiency of a riveting resistance measurement tool in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic capacitor production, in particular to an electrolytic capacitor riveting resistance detection device. Background Art

[0002] In the prior art, the riveting resistance of electrolytic capacitors is a key control item in the manufacturing process of electrolytic capacitors. The riveting resistance of electrolytic capacitors is the contact resistance of the riveted part between the aluminum foil and the guide pin. The larger the riveting resistance, the greater the impact on the use of the capacitor. Its characteristics directly affect the overall electrical parameters of the electrolytic capacitor. With the continuous improvement of customer demand for the life of electrolytic capacitors and the update and iteration of products, electrolytic capacitors are developing towards long life, high stability and high quality. Customers have higher and higher requirements for the quality of electrolytic capacitors. Therefore, precise control and precise measurement of riveting resistance are required in the production process of electrolytic capacitors.

[0003] However, the existing standard measurement tooling for riveted resistors is increasingly unable to meet the needs of accurate testing. The aluminum foil is very easy to deform and twist during measurement, resulting in the inability to accurately locate and precisely control the measurement point each time, affecting the measurement efficiency of the riveted resistor.

[0004] Therefore, the prior art needs to be further developed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and provide an electrolytic capacitor riveting resistance detection device to solve the technical problem of low measurement efficiency of riveting resistance measurement tooling in the related art.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: provides an electrolytic capacitor riveting resistance detection device for detecting the riveting resistance at the riveting point of the aluminum foil and the guide needle, the electrolytic capacitor riveting resistance detection device includes: a measuring platform, the measuring platform is used to place the aluminum foil and the guide needle; a fixing component, the fixing component includes a first fixing component and a second fixing component arranged relatively, the first fixing component is movably connected to the measuring platform, the first fixing component is used to fix the aluminum foil, the second fixing component is movably connected to the measuring platform, and the second fixing component is used to fix the guide needle; a measuring needle, the measuring needle includes a first measuring needle and a second measuring needle, the first measuring needle is electrically connected to the aluminum foil, and the second measuring needle is electrically connected to the guide needle.

[0007] Further, the first fixing component includes a first test clip, the first test clip includes a first clip and a second clip, the first clip is connected to a side of the measuring platform away from the aluminum foil, and the second clip is connected to the aluminum foil.

[0008] Furthermore, the second fixing component includes a second test clip, the second test clip includes a third clip and a fourth clip, the third clip is connected to a side of the measuring platform away from the aluminum foil, and the fourth clip is connected to the guide needle.

[0009] Furthermore, the first measuring needle and the second measuring needle include: a hand-held part; a measuring part, the measuring part is connected to the hand-held part, and the measuring part is in contact with the aluminum foil or the guide needle.

[0010] Furthermore, the measuring part includes: a first measuring part, which is connected to the hand-held part; and a second measuring part, which is connected to the first measuring part, and the diameter of the second measuring part gradually decreases in a direction away from the first measuring part.

[0011] Furthermore, the electrolytic capacitor riveting resistance detection device includes a resistance tester, and the resistance tester is electrically connected to the first measuring needle and the second measuring needle respectively.

[0012] Furthermore, the first measuring needle and the second measuring needle both include detection circuits, and the detection circuits are respectively connected to the handheld part and the resistance tester.

[0013] Furthermore, the first fixing component and the second fixing component include connecting wires, and the first fixing component and the second fixing component are connected to the resistance tester via the connecting wires.

[0014] Furthermore, the measuring platform comprises a supporting column, which is connected to a side of the measuring platform away from the aluminum foil; the supporting column comprises a plurality of supporting columns, which are arranged at intervals.

[0015] Furthermore, the measuring platform and the supporting columns are both made of insulating materials.

[0016] Beneficial effects:

[0017] 1. By setting a measuring platform and a fixing component, fixing the aluminum foil by the first fixing component, laying the aluminum foil on the measuring platform, and fixing the guide needle on the measuring platform by the second fixing component, the aluminum foil is kept in a fully unfolded state during measurement. Each time the resistance is measured, the measuring point can be accurately determined, and the resistance is measured at a fixed measuring point, thereby ensuring the accuracy of the resistance measurement, improving the measurement efficiency of the riveted resistance measurement tooling, avoiding the problem that the measurement point cannot be accurately positioned due to the deformation or distortion of the aluminum foil, and solving the technical problem of low measurement efficiency of the riveted resistance measurement tooling in the related art.

[0018] 2. The electrolytic capacitor riveted resistance detection device in this embodiment is applied to the manufacturing process of electrolytic capacitors, and riveted resistance detection can be performed on various types of electrolytic capacitors. It can fix the aluminum foil and the guide needle and realize the precise positioning of the measuring point, confirm the fixed measuring point, improve the accuracy of measurement, increase the reliability of riveted resistance measurement, realize precise detection, simple operation, and improve the detection efficiency of riveted resistance. Compared with the direct measurement method of the traditional clamp, the measurement accuracy is effectively improved, and the production efficiency of the electrolytic capacitor is improved. The electrolytic capacitor riveted resistance detection device in this embodiment occupies a small space, can be efficiently copied and manufactured, and reduces the detection cost of the electrolytic capacitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the first viewing angle of the electrolytic capacitor riveting resistance detection device adopted in the embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the electrolytic capacitor riveting resistance detection device adopted in the embodiment of the utility model from a second viewing angle;

[0021] Figure 3 It is a schematic diagram of the structure of the measuring needle of the electrolytic capacitor riveting resistance detection device used in the embodiment of the utility model.

[0022] The above drawings include the following reference numerals:

[0023] 10. Aluminum foil; 20. Guide needle; 1. Measuring platform; 11. Support column; 2. Fixing component; 21. First test clip; 211. First clip; 212. Second clip; 22. Second test clip; 221. Fourth clip; 23. Connecting line; 3. Measuring needle; 31. First measuring needle; 311. Hand-held part; 312. Measuring part; 3121. First measuring part; 3122. Second measuring part; 313. Detection circuit; 32. Second measuring needle. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0025] According to the embodiment of the utility model, a device for detecting the resistance of electrolytic capacitor riveting is provided. Figures 1 to 3, used to detect the riveting resistance at the riveting point of the aluminum foil 10 and the guide needle 20, the electrolytic capacitor riveting resistance detection device includes: a measuring platform 1, the measuring platform 1 is used to place the aluminum foil 10 and the guide needle 20; a fixing component 2, the fixing component 2 includes a first fixing component and a second fixing component that are relatively arranged, the first fixing component is movably connected to the measuring platform 1, the first fixing component is used to fix the aluminum foil 10, the second fixing component is movably connected to the measuring platform 1, and the second fixing component is used to fix the guide needle 20; a measuring needle 3, the measuring needle 3 includes a first measuring needle 31 and a second measuring needle 32, the first measuring needle 31 is electrically connected to the aluminum foil 10, and the second measuring needle 32 is electrically connected to the guide needle 20.

[0026] By setting a measuring platform 1 and a fixing component 2, the aluminum foil 10 is fixed by the first fixing component, the aluminum foil 10 is laid on the measuring platform 1, and the guide needle 20 is fixed on the measuring platform 1 by the second fixing component, so that the aluminum foil 10 remains in a fully unfolded state during measurement. Each time the resistance is measured, the measuring point can be accurately determined, and the resistance is measured at a fixed measuring point, thereby ensuring the accuracy of the resistance measurement, improving the measurement efficiency of the riveted resistance measurement tooling, avoiding the problem that the measurement point cannot be accurately positioned due to deformation or distortion of the aluminum foil 10, and solving the technical problem of low measurement efficiency of the riveted resistance measurement tooling in the related art.

[0027] Specifically, the first fixing component and the second fixing component are arranged opposite to each other and are respectively located on opposite sides of the measuring platform 1, thereby increasing the unfolding area of ​​the aluminum foil. The first fixing component and the second fixing component respectively fix one end of the aluminum foil and the guide pin at the other end of the aluminum foil, thereby making the aluminum foil more stable when fixed.

[0028] Specifically, the first measuring needle 31 and the second measuring needle 32 are the positive electrode measuring needle and the negative electrode measuring needle respectively. The first measuring needle 31 is located before the riveting point between the aluminum foil 10 and the guide needle 20 , and the second measuring needle 32 is located after the riveting point between the aluminum foil 10 and the guide needle 20 , that is, on the guide needle 20 .

[0029] In some embodiments, the measuring point of the first measuring needle 31 is set at a fixed distance from the riveting point. The position of the fixed measuring point can be obtained by using a distance tool or direct measurement, thereby achieving accurate positioning of the measuring point.

[0030] In some embodiments, the fixed distance may be 0.5 mm. A distance that is too close may result in the obtained rivet resistance being too small, while a distance that is too far may result in the obtained rivet resistance being too large. Using a suitable measurement distance may ensure accurate acquisition of the rivet resistance.

[0031] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 2The first fixing component includes a first test clamp 21, and the first test clamp 21 includes a first clamp 211 and a second clamp 212. The first clamp 211 is connected to the side of the measuring platform 1 away from the aluminum foil 10, and the second clamp 212 is connected to the aluminum foil 10. By providing the first test clamp 21, the aluminum foil 10 is fixed on the measuring platform 1 by clamping, which improves the loading speed of the aluminum foil 10, makes the measurement process more convenient and quick, and improves the measurement efficiency of the riveted resistance measurement tooling.

[0032] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 2 The second fixing component includes a second test clip 22, and the second test clip 22 includes a third clip and a fourth clip 221. The third clip is connected to the side of the measuring platform 1 away from the aluminum foil 10, and the fourth clip 221 is connected to the guide pin 20. By providing the second test clip 22, the guide pin 20 is fixed on the measuring platform 1 by clamping, which improves the loading speed of the guide pin 20, makes the measurement process more convenient and quick, and improves the measurement efficiency of the riveted resistance measurement tooling.

[0033] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 3 The first measuring needle 31 and the second measuring needle 32 include: a hand-held part 311; a measuring part 312, the measuring part 312 is connected to the hand-held part 311, and the measuring part 312 is in contact with the aluminum foil 10 or the guide needle 20. Specifically, when detecting the resistance, the user holds the hand-held part 311 for detection, so that the measuring part 312 is in point contact with the aluminum foil 10 or the guide needle 20.

[0034] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 3 The measuring part 312 includes: a first measuring part 3121, which is connected to the hand-held part 311; and a second measuring part 3122, which is connected to the first measuring part 3121, and the diameter of the second measuring part 3122 gradually decreases in a direction away from the first measuring part 3121. Through the above arrangement, the second measuring part 3122 is a conical structure, and the end of the measuring part 312 is set as a conical structure, which can prevent the sharp edge from cutting the aluminum foil 10 while realizing the measurement function.

[0035] By setting the first measuring needle 31 and the second measuring needle 32, when measuring the resistance, the first measuring needle 31 is brought into point contact with the aluminum foil 10, and the second measuring needle 32 is brought into point contact with the guide needle 20, so that the first measuring needle 31 and the second measuring needle 32 measure the riveting resistance of the riveted joint.

[0036] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 2The electrolytic capacitor riveting resistance detection device includes a resistance tester, which is electrically connected to the first measuring pin 31 and the second measuring pin 32. By setting the resistance tester, a circuit to be tested is formed between the first measuring pin 31, the second measuring pin 32 and the riveting point, and the resistance value at the riveting point is obtained by the resistance tester.

[0037] In some embodiments, the first measuring needle 31 and the second measuring needle 32 may be test leads provided by a resistance tester, and the first fixing component and the second fixing component may be test clips provided by a resistance tester.

[0038] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 3 The first measuring needle 31 and the second measuring needle 32 both include a detection circuit 313, and the detection circuit 313 is connected to the handheld part 311 and the resistance tester, respectively. In this way, a positive detection circuit is formed between the first measuring needle 31 and the resistance tester, and a negative detection circuit is formed between the second measuring needle 32 and the resistance tester.

[0039] In some embodiments, see Figure 1 The first fixing component and the second fixing component include a connecting wire 23, and the first fixing component and the second fixing component are connected to the resistance tester through the connecting wire 23.

[0040] In some embodiments, a test clip connected to a resistance tester may be used as the first fixing component and the second fixing component.

[0041] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 1 The measuring platform 1 includes a support column 11, which is connected to a side of the measuring platform 1 away from the aluminum foil 10; the support column 11 includes a plurality of support columns 11, which are arranged at intervals. By arranging a plurality of support columns 11, the measuring platform 1 is supported to facilitate testing.

[0042] In the electrolytic capacitor riveting resistance detection device of this embodiment, see Figure 1 The measuring platform 1 and the supporting column 11 are both made of insulating materials. Through the above arrangement, the aluminum foil 10 and the guide pin 20 are prevented from being electrically connected to the measuring platform 1, thereby preventing the accuracy of the measuring result from being affected.

[0043] The test process of the electrolytic capacitor riveting resistance detection device of this embodiment is as follows: before measurement, the aluminum foil 10 and the guide needle 20 are flattened, the aluminum foil 10 is laid on the measuring platform 1, the aluminum foil 10 is fixed by a first fixing component, and the guide needle 20 is fixed on the measuring platform 1 by a second fixing component, and then the aluminum foil 10 is contacted by a first measuring needle 31 in a point-like manner, and the guide needle 20 is contacted by a second measuring needle 32 in a point-like manner, and the electrical measuring instrument calculates and displays the value of the riveting resistance.

[0044] The electrolytic capacitor riveted resistance detection device in this embodiment is applied to the manufacturing process of electrolytic capacitors, and riveted resistance detection can be performed on various types of electrolytic capacitors. It can fix the aluminum foil 10 and the guide needle 20 and realize precise positioning of the measuring point, confirm the fixed measuring point, improve the accuracy of measurement, increase the reliability of riveted resistance measurement, realize precise detection, simple operation, and improve the detection efficiency of riveted resistance. Compared with the traditional direct measurement method of the clamp, the measurement accuracy is effectively improved, and the production efficiency of the electrolytic capacitor is improved. The electrolytic capacitor riveted resistance detection device in this embodiment occupies a small space, can be efficiently copied and manufactured, and reduces the detection cost of the electrolytic capacitor.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0046] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0047] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0048] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0049] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. An electrolytic capacitor riveting resistance detection device, characterized in that: Used to detect the riveting resistance at the riveting point of the aluminum foil (10) and the guide needle (20), the electrolytic capacitor riveting resistance detection device comprises: A measuring platform (1), the measuring platform (1) being used to place the aluminum foil (10) and the guide needle (20); a fixing component (2), the fixing component (2) comprising a first fixing component and a second fixing component arranged opposite to each other, the first fixing component being movably connected to the measuring platform (1), the first fixing component being used to fix the aluminum foil (10), the second fixing component being movably connected to the measuring platform (1), the second fixing component being used to fix the guide needle (20); A measuring needle (3), the measuring needle (3) comprising a first measuring needle (31) and a second measuring needle (32), the first measuring needle (31) being electrically connected to the aluminum foil (10), and the second measuring needle (32) being electrically connected to the guide needle (20).

2. The electrolytic capacitor riveting resistance detection device according to claim 1, characterized in that: The first fixing component comprises a first test clamp (21), the first test clamp (21) comprising a first clamp (211) and a second clamp (212), the first clamp (211) being connected to a side of the measuring platform (1) away from the aluminum foil (10), and the second clamp (212) being connected to the aluminum foil (10).

3. The electrolytic capacitor riveting resistance detection device according to claim 1, characterized in that: The second fixing component comprises a second test clamp (22), the second test clamp (22) comprises a third clamp and a fourth clamp (221), the third clamp is connected to a side of the measuring platform (1) away from the aluminum foil (10), and the fourth clamp (221) is connected to the guide needle (20).

4. The electrolytic capacitor riveting resistance detection device according to claim 1, characterized in that: The first measuring needle (31) and the second measuring needle (32) include: Hand-held part (311); A measuring part (312), the measuring part (312) is connected to the handheld part (311), and the measuring part (312) is in contact with the aluminum foil (10) or the guide needle (20).

5. The electrolytic capacitor riveting resistance detection device according to claim 4, characterized in that: The measuring unit (312) comprises: A first measuring part (3121), the first measuring part (3121) being connected to the hand-held part (311); A second measuring portion (3122), wherein the second measuring portion (3122) is connected to the first measuring portion (3121), and the diameter of the second measuring portion (3122) gradually decreases in a direction away from the first measuring portion (3121).

6. The electrolytic capacitor riveting resistance detection device according to claim 4, characterized in that: The electrolytic capacitor riveting resistance detection device comprises a resistance tester, and the resistance tester is electrically connected to the first measuring needle (31) and the second measuring needle (32) respectively.

7. The electrolytic capacitor riveting resistance detection device according to claim 6, characterized in that: The first measuring needle (31) and the second measuring needle (32) both comprise a detection circuit (313), and the detection circuit (313) is respectively connected to the handheld part (311) and the resistance tester.

8. The electrolytic capacitor riveting resistance detection device according to claim 6, characterized in that: The first fixing component and the second fixing component comprise a connecting line (23), and the first fixing component and the second fixing component are connected to the resistance tester via the connecting line (23).

9. The electrolytic capacitor riveting resistance detection device according to claim 1, characterized in that: The measuring platform (1) comprises a supporting column (11), wherein the supporting column (11) is connected to a side of the measuring platform (1) away from the aluminum foil (10); The support columns (11) include a plurality of support columns (11), and the plurality of support columns (11) are arranged at intervals.

10. The electrolytic capacitor riveting resistance detection device according to claim 9, characterized in that: The measuring platform (1) and the supporting column (11) are both made of insulating materials.

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