Capacitor withstand voltage test device
By designing a detachable capacitor clamp and a stable connection structure, the problem of capacitors tipping over during withstand voltage testing was solved, enabling stable testing and convenient maintenance.
Patent Information
- Application Number
- CN202422185388.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The lack of effective fixation in existing capacitor withstand voltage tests causes capacitors to tilt, affecting the stability of test results.
A capacitor withstand voltage testing device was designed, which uses a detachable capacitor clamp, clamps the capacitor with a clamp plate and a spring, and achieves a stable connection through a guide rail and a conductive copper strip. The clamp and the test box are detachable for easy replacement.
It achieves stable fixing and reliable connection of capacitors, improves the stability of testing, supports testing of different types of capacitors, and facilitates the replacement and maintenance of fixtures.
Smart Images
Figure CN223582072U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to capacitor production and manufacturing field, specifically point to a kind of capacitor withstand voltage testing device. BACKGROUND
[0002] Aluminum electrolytic capacitor is a commonly used electrical component, aluminum electrolytic capacitor needs to be tested for withstand voltage when leaving factory, withstand voltage test checks the ability of insulation withstand working voltage or overvoltage, and then insulating property of product equipment is checked whether it meets standard, currently existing withstand voltage test capacitor is inserted on test seat, due to lack of good fixation, capacitor is prone to side fall, which affects test result. SUMMARY
[0003] The utility model solves the technical problem that the prior art is insufficient, and provides a capacitor withstand voltage testing device.
[0004] To solve the above technical problems, the utility model adopts the technical scheme of:
[0005] A capacitor withstand voltage testing device, comprising a test box, a plurality of detachable capacitor clamps are arranged in the test box, the capacitor clamp comprises a clamp shell, a guide column is installed in the clamp shell, a clamping plate is connected to the guide column, a spring is arranged between the clamping plate and the bottom of the clamp shell, a connecting seat is arranged at the top of the clamp shell, an electrode interface is processed on the connecting seat, a conductive copper sheet is arranged in the electrode interface, the conductive copper sheet is led out through a wire, a connecting screw is installed at the bottom of the clamp shell, the end of the wire is connected to the connecting screw, a guide rail is arranged in the test box, a guide rail groove is arranged at the bottom of the clamp shell, a conductive copper strip is embedded on the surface of the guide rail, the connecting screw protrudes from the guide rail groove, the guide rail groove at the bottom of the clamp shell is connected to the guide rail on the test box, and the connecting screw on the clamp shell is in contact with the conductive copper strip.
[0006] Further, a power supply interface is arranged on one side of the test box.
[0007] Further, two guide rails are processed at the bottom of the clamp shell, one guide rail adopts dovetail structure, and the other guide rail adopts linear guide rail structure.
[0008] Further, the guide columns are symmetrically arranged on both sides of the clamp shell.
[0009] Further, a positioning boss is arranged at the bottom of the clamp shell, and the spring is sleeved on the positioning boss.
[0010] Compared with the prior art, the capacitor voltage withstand testing device is characterized in that the capacitor is clamped and fixed by the capacitor clamp, the testing is more stable, the capacitor can be clamped by the elastic clamping plate, different models of capacitors can be replaced for testing, and the capacitor clamp and the testing box adopt a detachable structure, so that the capacitor clamp that fails can be replaced. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a structural schematic view of the utility model;
[0012] Figure 2 is a structural schematic view of the capacitor clamp of the utility model;
[0013] Figure 3 is Figure 1 the sectional view of A-A in figure;
[0014] 1, the testing box, 2, the capacitor clamp, 3, the guide rail, 4, the conductive copper strip, 5, the power supply interface, 211, the clamp shell, 212, the lower baffle, 213, the upper baffle, 214, the guide column, 215, the clamping plate, 216, the spring, 217, the positioning boss, 218, the connecting seat, 219, the electrode interface, 220, the wiring, 221, the connecting screw. DETAILED DESCRIPTION
[0015] The technical scheme in the utility model embodiment will be clearly and completely described below.
[0016] As Figures 1 to 3 shown, a capacitor voltage withstand testing device, including testing box 1, testing box 1 is provided with several detachable capacitor clamp 2, the capacitor clamp 2 includes clamp shell 211, the bottom and top of clamp shell 211 are connected with lower baffle 212 and upper baffle 213 respectively, the guide column 214 is installed in the clamp shell 211, the guide column 214 is symmetrically arranged between the two sides between lower baffle 212 and upper baffle 213, the clamping plate 215 is connected on the guide column 214, the spring 216 is arranged between the clamping plate 215 and the bottom of clamp shell 211, wherein, the positioning boss 217 is arranged on the bottom of clamp shell 211, the spring 216 is sleeved on the positioning boss 217, the top of clamp shell 211 is provided with connecting seat 218 on the surface of upper baffle 213, two electrode interfaces 219 are machined on connecting seat 218, which are anode interface and cathode interface respectively, the conductive copper sheet is arranged in the electrode interface 219, when installing, the pin of capacitor is inserted into anode interface and cathode interface respectively, the capacitor is clamped by spring 216 against clamping plate 215.
[0017] The conductive copper sheet in the electrode interface 219 is led out through a wire 220, the clamp shell 211 is provided with a connecting screw 221 at the bottom, and the wire 220 is connected with the connecting screw 221 at the end, and in the embodiment, the clamp shell 211 is provided with two connecting screws 221 at the bottom, and the wire 220 is connected with the two connecting screws 221 respectively.
[0018] The test box 1 is provided with a guide rail 3, the clamp shell 211 is provided with a guide rail groove at the bottom, the surface of the guide rail 3 is embedded with a conductive copper strip 4, and the bottom of the connecting screw 221 protrudes from the guide rail groove; when testing, the guide rail groove at the bottom of the clamp shell 211 is connected with the guide rail 3 on the test box, so that the connecting screw 221 on the clamp shell 211 is in contact with the conductive copper strip 4.
[0019] In the embodiment, two guide rails 3 are processed at the bottom of the clamp shell, one guide rail adopts a dovetail structure, and the other guide rail adopts a linear guide rail structure, so that the clamp shell and the test box can be prevented from being reversed.
[0020] One side of the test box 1 is provided with a power supply interface 5, and after the power supply is plugged in, the capacitor is subjected to voltage resistance test.
[0021] The utility model is not limited to the embodiment, and those skilled in the art can still make some corrections or changes without departing from the spirit of the utility model, i.e. the disclosure range, so the protection scope of the utility model is limited to the range defined in the claims.
Claims
1. A capacitor withstand voltage testing device comprising a testing box, a plurality of detachable capacitor clamps are arranged in the testing box, characterized in that: The capacitor clamp comprises a clamp shell, guide columns are mounted in the clamp shell, clamp plates are connected to the guide columns, springs are arranged between the clamp plates and the bottom of the clamp shell, a connecting seat is arranged at the top of the clamp shell, electrode interfaces are processed on the connecting seat, conductive copper sheets are arranged in the electrode interfaces, the conductive copper sheets are led out through wires, connecting screws are mounted at the bottom of the clamp shell, the ends of the wires are connected to the connecting screws, guide rails are arranged in the test box, guide rail grooves are arranged at the bottom of the clamp shell, conductive copper strips are embedded on the surfaces of the guide rails, the connecting screws protrude from the guide rail grooves, the guide rail grooves at the bottom of the clamp shell are connected to the guide rails on the test box, and the connecting screws on the clamp shell are in contact with the conductive copper strips.
2. The capacitor voltage withstanding test device according to claim 1, wherein: A power interface is arranged on one side of the test box.
3. The capacitor voltage withstanding test device according to claim 1, wherein: Two guide rails are processed at the bottom of the clamp shell, one guide rail adopts a dovetail structure, and the other guide rail adopts a linear guide rail structure.
4. The capacitor voltage withstanding test device according to claim 1, wherein: The guide columns are symmetrically arranged on both sides of the clamp shell.
5. The capacitor voltage withstanding test device according to claim 1, wherein: Positioning bosses are arranged at the bottom of the clamp shell, and the springs are sleeved on the positioning bosses.