Capacitor clamp and aluminum electrolytic capacitor leakage current testing device
The capacitor clamp with adjustable bearing parts and pin clamping assemblies addresses the limitation of single-type testing, enabling versatile testing of diverse aluminum electrolytic capacitors.
Patent Information
- Application Number
- CN202422814005.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing capacitor fixtures for aluminum electrolytic capacitors are limited to testing a single type of horn capacitor, lacking versatility.
A capacitor clamp with multiple bearing parts and pin clamping assemblies that accommodate different types of horn capacitors, including right-angle, two-leg, and multi-pin configurations, allowing for versatile testing.
Enables simultaneous testing of various types of aluminum electrolytic capacitors, enhancing the versatility and efficiency of the leakage current test device.
Smart Images

Figure CN222259435U_ABST
Abstract
Description
Technical Field
[0001] The utility model generally relates to the technical field of capacitors, and in particular to a capacitor fixture and a leakage current testing device for aluminum electrolytic capacitors. Background Art
[0002] Aluminum electrolytic capacitors are sampled and tested before leaving the factory, and the test content includes leakage detection, which is tested by a leakage current tester. The existing leakage current tester includes a connected instrument body and a capacitor fixture, and the capacitor fixture is provided with multiple identical test stations. Through the above multiple test stations, multiple horn capacitors can be tested for leakage at the same time.
[0003] However, all the test stations in the capacitor fixture have the same structure, so that it can only be adapted to a specific type of horn capacitor. That is, the above capacitor fixture is only suitable for a single type of horn capacitor, resulting in the problem of poor versatility of the leakage current tester. Utility Model Content
[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a capacitor fixture and an aluminum electrolytic capacitor leakage current testing device.
[0005] In a first aspect, the present application provides a capacitor clamp, comprising a shell, the shell comprising a panel, the panel being provided with a plurality of first bearing parts and a plurality of second bearing parts, the first bearing part being provided with a first slot and a second slot being spaced apart, the first slot being provided with a first pin clamping assembly, the second slot being provided with a second pin clamping assembly, the second bearing part being provided with a third slot and a fourth slot being spaced apart, the third slot being provided with a third pin clamping assembly, the fourth slot being provided with a fourth pin clamping assembly, wherein the clamping directions of the first pin clamping assembly and the second pin clamping assembly are vertically arranged, and the clamping directions of the third pin clamping assembly and the fourth pin clamping assembly are parallelly arranged.
[0006] Furthermore, the first bearing part also includes a first auxiliary slot located on at least one side of the first slot along the first direction; and / or the first bearing part also includes a second auxiliary slot located on at least one side of the second slot along the first direction, wherein the first direction is perpendicular to the spacing distribution direction of the first slot and the second slot.
[0007] Furthermore, the first bearing part includes a first bearing plate, the first slot and the second slot are both located on the first bearing plate, and the first bearing plate is connected to the panel.
[0008] Furthermore, the plurality of first bearing parts are arranged in a plurality of columns, and the plurality of first bearing plates in each column are integrally connected.
[0009] Furthermore, the panel is provided with a plurality of first through slots arranged one-to-one corresponding to the plurality of first supporting plates, wherein in each first supporting plate, the first slot, the second slot, the first auxiliary slot and the second auxiliary slot all penetrate the first supporting plate along the thickness direction of the first supporting plate, and the first slot, the second slot, the first auxiliary slot and the second auxiliary slot are all arranged corresponding to at least part of the corresponding first through slot.
[0010] Further, the second bearing part includes a third auxiliary slot located on at least one side of the third slot along the second direction; and / or the second bearing part includes a fourth auxiliary slot located on at least one side of the fourth slot along the second direction, wherein the second direction is perpendicular to the spacing distribution direction of the third slot and the fourth slot.
[0011] Furthermore, the second bearing part includes a second bearing plate, the third slot and the fourth slot are both located on the second bearing plate, and the second bearing plate is connected to the panel.
[0012] Furthermore, the plurality of second bearing parts are arranged in a plurality of columns, and the plurality of second bearing plates in each column are integrally connected.
[0013] Furthermore, the panel is provided with a plurality of second through slots arranged one-to-one corresponding to the plurality of second supporting plates, wherein in each second supporting plate, the third slot, the fourth slot, the third auxiliary slot and the fourth auxiliary slot all penetrate the second supporting plate along the thickness direction of the second supporting plate, and the third slot, the fourth slot, the third auxiliary slot and the fourth auxiliary slot are all arranged corresponding to at least part of the corresponding second through slots.
[0014] In a second aspect, the present application provides an aluminum electrolytic capacitor leakage current testing device, comprising the above-mentioned capacitor fixture.
[0015] The capacitor clamp and the aluminum electrolytic capacitor leakage current test device provided by the present application are provided with a plurality of first bearing parts and a plurality of second bearing parts on a panel, a first pin clamping assembly is provided in the first slot of the first bearing part and a second pin clamping assembly is provided in the second slot, the clamping directions of the first pin clamping assembly and the second pin clamping assembly are vertically arranged, a third pin clamping assembly is provided in the third slot of the second bearing part and a fourth pin clamping assembly is provided in the fourth slot, the clamping directions of the third pin clamping assembly and the fourth pin clamping assembly are arranged in parallel, the capacitor clamp can respectively carry different types of horn capacitors through the first bearing part and the second bearing part, so that the capacitor clamp can be applicable to various types of horn capacitors, and further the aluminum electrolytic capacitor leakage current test device can perform leakage tests on various types of aluminum electrolytic capacitors, thereby improving the versatility of the aluminum electrolytic capacitor leakage current test device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0017] Figure 1 A schematic diagram of the structure of the leakage current testing device for aluminum electrolytic capacitors provided in this embodiment;
[0018] Figure 2 A schematic structural diagram of a first bearing portion provided in this embodiment;
[0019] Figure 3 This is a schematic structural diagram of the second bearing portion provided in this embodiment. DETAILED DESCRIPTION
[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.
[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0022] Please refer to Figure 1-3 The embodiment of the present application provides a capacitor fixture 100, which is used in an aluminum electrolytic capacitor leakage current test device. Specifically, the aluminum electrolytic capacitor leakage current test device includes a leakage current test host 200 and a capacitor fixture 100, the leakage current test host 200 and the capacitor fixture 100 are connected, the capacitor fixture 100 is used to insert the horn capacitor to be tested, and the leakage current test body performs a leakage current test on the horn capacitor inserted in the capacitor fixture 100.
[0023] The capacitor fixture 100 includes a housing, and the housing includes a panel 101. The panel 101 is provided with a plurality of first bearing parts and a plurality of second bearing parts, and the first bearing part and the second bearing part are used for inserting different types of horn capacitors. Specifically, the first bearing part is provided with a first slot 111 and a second slot 112 distributed at intervals, and a first pin clamping component 113 is provided in the first slot 111, and a second pin clamping component 114 is provided in the second slot 112. The first pin clamping component 113 and the second pin clamping component 114 are used for inserting the positive and negative pins of the horn capacitor respectively and elastically clamping the pins. The clamping directions of the first pin clamping component 113 and the second pin clamping component 114 are arranged vertically to adapt to the existing right-angle horn capacitor. The above-mentioned right-angle horn capacitor has positive and negative pins, and the positive and negative pins are arranged vertically to each other. The positional relationship between the first pin clamping component 113 and the second pin clamping component 114 in the first bearing part matches the positional relationship between the positive and negative pins of the above-mentioned existing right-angled horn capacitor. The first bearing part can be inserted into the right-angled horn capacitor, so that the capacitor fixture 100 can adapt to the right-angled horn capacitor, and then the leakage current test device can test the right-angled horn capacitor. The second bearing part is provided with a third slot 121 and a fourth slot 122 that are spaced apart. The third slot 121 is provided with a third pin clamping component 123, and the fourth slot 122 is provided with a fourth pin clamping component 124. The third pin clamping component 123 and the fourth pin clamping component 124 are used for inserting the positive and negative pins of the horn capacitor and elastically clamping the pins. The clamping directions of the third pin clamping component 123 and the fourth pin clamping component 124 are arranged in parallel to adapt to the existing two-legged horn capacitor. The existing two-legged horn capacitor has positive and negative pins, and the positive and negative pins are arranged in parallel with each other. The positional relationship between the third pin clamping component 123 and the fourth pin clamping component 124 in the second bearing part matches the positional relationship between the positive and negative pins of the two-pin type horn capacitor. The second bearing part can be used for inserting the two-pin type horn capacitor, so that the capacitor fixture 100 can adapt to the two-pin type horn capacitor, and then the leakage current testing device can also test the two-pin type horn capacitor.
[0024] In this embodiment, the capacitor clamp 100 can carry right-angle horn capacitors, two-leg horn capacitors and other horn capacitors through the first carrying part and the second carrying part, so that both right-angle horn capacitors and two-leg horn capacitors can be suitable for the capacitor clamp 100, and then the aluminum electrolytic capacitor leakage current testing device can perform leakage tests on different types of horn capacitors, thereby improving the versatility of the aluminum electrolytic capacitor leakage current testing device.
[0025] Among them, the tops of the first bearing part and the second bearing part both have bearing surfaces. During testing, the horn capacitor is inserted into the bearing part in an inverted state and crimped to the bearing surface. By supporting the horn capacitor with the bearing surface, the capacitor fixture 100 can have high stability in supporting the horn capacitor.
[0026] The first pin clamping component 113 to the fourth pin clamping component 124 may be, but are not limited to, conductive metal sockets or the like.
[0027] It should be understood that most of the existing horn capacitors are two-pin type, that is, they only have a positive pin and a negative pin, but there are also multi-pin horn capacitors (such as four-pin horn capacitors) with auxiliary support pins, that is, they have auxiliary support pins while having positive and negative pins, and the auxiliary support pins are located on at least one side of the electrode pins.
[0028] In some embodiments of the present application, the first bearing portion further includes a first auxiliary slot 115 located at least on one side of the first slot 111 along the first direction; and / or, the first bearing portion further includes a second auxiliary slot 116 located at least on one side of the second slot 112 along the first direction, wherein the first direction is perpendicular to the spacing distribution direction of the first slot 111 and the second slot 112. Specifically: the first bearing portion further includes a first auxiliary slot 115 located at least on one side of the first slot 111 along the first direction; or, the first bearing portion further includes a second auxiliary slot 116 located at least on one side of the second slot 112 along the first direction; or, the first bearing portion further includes a first auxiliary slot 115 located at least on one side of the first slot 111 along the first direction, and the first bearing portion further includes a second auxiliary slot 116 located at least on one side of the second slot 112 along the first direction.
[0029] Through the above arrangement, the first auxiliary slot 115 and the second auxiliary slot 116 are both used to insert the auxiliary support pins on the capacitor, so that the capacitor fixture 100 can also adapt to right-angle horn capacitors with auxiliary support pins, further improving the versatility of the test device.
[0030] The spacing distribution direction of the first slots 111 and the second slots 112 may be but is not limited to the length direction or the width direction of the panel 101 .
[0031] Please refer to the attached Figure 1 Preferably, first auxiliary slots 115 are provided on both sides of the first slot 111 along the first direction, and second auxiliary slots 116 are provided on both sides of the second slot 112 along the first direction, and the first direction is the length direction of the panel 101. The clamping direction of the first pin clamping component 113 is the width direction of the panel 101, and the clamping direction of the second pin clamping component 114 is the length direction of the panel 101.
[0032] In some embodiments of the present application, the first supporting portion includes a first supporting plate 110 , the first supporting plate 110 is connected to the top of the panel 101 , and the first slot 111 and the second slot 112 are both located on the first supporting plate 110 .
[0033] The first carrier plate 110 and the panel 101 are preferably detachably fixedly connected, such as by screwing, to facilitate subsequent maintenance of the first carrier plate 110 .
[0034] Of course, in other embodiments, the first supporting portion may be a part of the panel 101 .
[0035] Preferably, the plurality of first bearing parts are arranged in a plurality of columns, each column having a plurality of first bearing parts, and the plurality of first bearing plates 110 in the plurality of first bearing parts are connected as one body. Such an arrangement helps to optimize the structure of the capacitor fixture 100 and improve the efficiency of assembly and disassembly. Of course, in other embodiments, the plurality of first bearing plates 110 in each column are not connected and are arranged at intervals.
[0036] Preferably, the panel 101 is provided with a plurality of first through slots 117 arranged one-to-one in correspondence with the plurality of first carrier plates 110, wherein in each first carrier plate 110, the first slot 111, the second slot 112, the first auxiliary slot 115 and the second auxiliary slot 116 all penetrate the first carrier plate 110 along the thickness direction of the first carrier plate 110, and the first slot 111, the second slot 112, the first auxiliary slot 115 and the second auxiliary slot 116 are all arranged corresponding to at least part of the corresponding first through slot 117. Through the above-mentioned first through slots 117, the pins of the capacitor can be inserted into the inner cavity of the shell, so that the capacitor fixture 100 can adapt to the horn capacitors with different pin lengths, further improving the versatility of the capacitor fixture 100.
[0037] In some embodiments of the present application, the second bearing portion includes a third auxiliary slot 125 located at least on one side of the third slot 121 along the second direction; and / or, the second bearing portion includes a fourth auxiliary slot 126 located at least on one side of the fourth slot 122 along the second direction, wherein the second direction is perpendicular to the spacing distribution direction of the third slot 121 and the fourth slot 122. Specifically, the second bearing portion includes the third auxiliary slot 125 located at least on one side of the third slot 121 along the second direction; or, the second bearing portion includes the fourth auxiliary slot 126 located at least on one side of the fourth slot 122 along the second direction; or, the second bearing portion includes the third auxiliary slot 125 located at least on one side of the third slot 121 along the second direction, and the second bearing portion includes the fourth auxiliary slot 126 located at least on one side of the fourth slot 122 along the second direction.
[0038] Through the above arrangement, the third auxiliary slot 125 and the fourth auxiliary slot 126 are both used to insert the auxiliary support pins on the capacitor, so that the capacitor fixture 100 can also adapt to multi-pin horn capacitors with auxiliary support pins, further improving the versatility of the testing device.
[0039] The spacing distribution direction of the third slots 121 and the fourth slots 122 may be but is not limited to the length direction or the width direction of the panel 101 .
[0040] Please refer to the attached Figure 1 Preferably, a third auxiliary slot 125 is provided on both sides of the third slot 121 along the second direction, and a fourth auxiliary slot 126 is provided on both sides of the fourth slot 122 along the second direction, and the second direction is the length direction of the panel 101. The clamping directions of the third pin clamping assembly 123 and the fourth pin clamping assembly 124 are both the length direction of the panel 101.
[0041] In some embodiments of the present application, the second supporting portion includes a second supporting plate 120 , the second supporting plate 120 is connected to the top of the panel 101 , and the third slot 121 and the fourth slot 122 are both located on the second supporting plate 120 .
[0042] The second carrier plate 120 and the panel 101 are preferably detachably fixedly connected, such as by screwing, etc., to facilitate subsequent maintenance of the second carrier plate 120 .
[0043] Of course, in other embodiments, the second supporting portion may be a part of the panel 101 .
[0044] Preferably, the plurality of second bearing parts are arranged in a plurality of columns, each column having a plurality of second bearing parts, and the plurality of second bearing plates 120 in the plurality of second bearing parts are connected as one body. Such an arrangement helps to optimize the structure of the capacitor fixture 100 and improve the efficiency of assembly and disassembly. Of course, in other embodiments, the plurality of second bearing plates 120 in each column are not connected and are arranged at intervals.
[0045] Preferably, the panel 101 is provided with a plurality of second through slots 127 arranged one-to-one with the plurality of second carrier plates 120, wherein in each second carrier plate 120, the third slot 121, the fourth slot 122, the third auxiliary slot 125 and the fourth auxiliary slot 126 all penetrate the second carrier plate 120 along the thickness direction of the second carrier plate 120, and the third slot 121, the fourth slot 122, the third auxiliary slot 125 and the fourth auxiliary slot 126 are all arranged corresponding to at least part of the corresponding second through slot 127. Through the above-mentioned second through slots 127, the pins of the capacitor can be inserted into the inner cavity of the shell, so that the capacitor fixture 100 can adapt to the horn capacitors with different pin lengths, further improving the versatility of the capacitor fixture 100.
[0046] Please refer to the attached Figure 1 Preferably, a plurality of columns of first bearing parts and a plurality of columns of second bearing parts are alternately arranged along the length direction of the panel 101 .
[0047] An embodiment of the present application provides an aluminum electrolytic capacitor leakage current testing device, including a leakage current testing host 200 and a capacitor clamp 100, wherein a first pin clamping assembly 113, a second pin clamping assembly 114, a third pin clamping assembly 123, and a fourth pin clamping assembly 124 are respectively connected to the positive and negative test terminals of the leakage current testing host 200.
[0048] It should be understood that the leakage current test host is a general product, such as but not limited to the leakage current tester ZX6591-10CH of Zhixin Precision Company, and this application will not go into details.
[0049] It should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used above to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; the orientation words "inside" and "outside" refer to the inside and outside relative to the contours of the components themselves. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.
[0050] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, rotated 90 degrees or in other orientations, and the spatially relative descriptions used herein are interpreted accordingly.
[0051] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.
Claims
1. A capacitor fixture, characterized in that: The invention comprises a shell, wherein the shell comprises a panel, wherein the panel is provided with a plurality of first bearing parts and a plurality of second bearing parts, wherein the first bearing part is provided with a first slot and a second slot which are spaced apart, wherein a first pin clamping assembly is provided in the first slot, wherein a second pin clamping assembly is provided in the second slot, wherein the second bearing part is provided with a third slot and a fourth slot which are spaced apart, wherein a third pin clamping assembly is provided in the third slot, and a fourth pin clamping assembly is provided in the fourth slot, wherein the clamping directions of the first pin clamping assembly and the second pin clamping assembly are vertically arranged, and the clamping directions of the third pin clamping assembly and the fourth pin clamping assembly are parallelly arranged.
2. The capacitor fixture according to claim 1, characterized in that: The first bearing part also includes a first auxiliary slot located on at least one side of the first slot along the first direction; and / or the first bearing part also includes a second auxiliary slot located on at least one side of the second slot along the first direction, wherein the first direction is perpendicular to the spacing distribution direction of the first slot and the second slot.
3. The capacitor fixture according to claim 1 or 2, characterized in that: The first bearing portion includes a first bearing plate, the first slot and the second slot are both located on the first bearing plate, and the first bearing plate is connected to the panel.
4. The capacitor fixture according to claim 3, characterized in that: The plurality of first bearing parts are arranged in a plurality of columns, and the plurality of first bearing plates in each column are integrally connected.
5. The capacitor fixture according to claim 3, characterized in that: The panel is provided with a plurality of first through slots which are arranged one-to-one corresponding to the plurality of first supporting boards, wherein in each of the first supporting boards, the first slot, the second slot, the first auxiliary slot and the second auxiliary slot all penetrate the first supporting board along the thickness direction of the first supporting board, and the first slot, the second slot, the first auxiliary slot and the second auxiliary slot are all arranged corresponding to at least part of the corresponding first through slots.
6. The capacitor fixture according to claim 1, characterized in that: The second bearing part includes a third auxiliary slot located on at least one side of the third slot along the second direction; and / or the second bearing part includes a fourth auxiliary slot located on at least one side of the fourth slot along the second direction, wherein the second direction is perpendicular to the spacing distribution direction of the third slot and the fourth slot.
7. The capacitor fixture according to claim 1 or 6, characterized in that: The second bearing portion includes a second bearing plate, the third slot and the fourth slot are both located on the second bearing plate, and the second bearing plate is connected to the panel.
8. The capacitor fixture according to claim 7, characterized in that: The plurality of second carrying portions are arranged in a plurality of columns, and the plurality of second carrying plates in each column are integrally connected.
9. The capacitor fixture according to claim 7, characterized in that: The panel is provided with a plurality of second through slots which are arranged one-to-one corresponding to the plurality of second supporting plates, wherein in each of the second supporting plates, the third slot, the fourth slot, the third auxiliary slot and the fourth auxiliary slot all penetrate the second supporting plate along the thickness direction of the second supporting plate, and the third slot, the fourth slot, the third auxiliary slot and the fourth auxiliary slot are all arranged corresponding to at least part of the corresponding second through slots.
10. A leakage current test device for an aluminum electrolytic capacitor, characterized in that: Comprising a capacitor fixture as described in any one of claims 1-9.