Capacitor leak detection equipment
By designing a capacitor leak detection device, the leak detection test of capacitors is simplified by using clamping components and pressure sensors, which solves the problems of inconvenient operation and low detection efficiency in the existing technology, and realizes fast and stable capacitor leak detection.
Patent Information
- Application Number
- CN202422963846.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing capacitor leak detection tests are inconvenient to operate, cannot be quickly fixed, have complicated testing steps, are time-consuming, have low testing efficiency, and affect the normal use of capacitors.
A capacitor leak detection device was designed, which uses a clamping assembly to quickly fix the capacitor, pushes a sealing plate to seal the detection box with a cylinder, injects air through an air supply pipe and uses a pressure sensor to detect leaks, thus simplifying the operation process.
It enables rapid and stable clamping and efficient testing of capacitors, simplifies the testing process, improves testing efficiency, and ensures the normal use of capacitors.
Smart Images
Figure CN223910435U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to capacitor detection technical field especially relates to capacitor leak detection equipment. BACKGROUND
[0002] Capacitor is a kind of device that accommodates electric charge, and is an important element of electronic circuit, before capacitor injects insulating oil, it needs to carry out leak detection test to its shell first, guarantees its good sealing property, prevents the situation of seepage from occurring in subsequent use process and influences use.
[0003] The existing capacitor leak detection test has the inconvenience of operation, cannot quickly fix the capacitor under test, the detection step is complicated, the process time is long, the detection efficiency is low, the capacitor is delayed in use, and there is great limitation.
[0004] Therefore, in view of the above-mentioned problems of the existing capacitor leak detection test, the capacitor leak detection equipment can be designed to quickly fix the capacitor under test by using the clamping assembly to control the two groups of arc-shaped clamping pieces, start the cylinder to push the sealing plate to seal the upper end opening of the detection box, use the gas pipe to connect the air pump to inject gas into the oil injection port of the capacitor, and judge the gas leakage by observing the feedback of the pressure sensor. UTILITY MODEL CONTENTS
[0005] In order to overcome the problems of the existing capacitor leak detection test, such as the inconvenience of operation, the inability to quickly fix the capacitor under test, the complicated detection steps, the long process time, the low detection efficiency, the delay in use of the capacitor and the great limitation.
[0006] The utility model discloses a technical scheme for capacitor leak detection equipment, comprising a bottom plate, further comprising an arc clamping piece, an elastic eardrum, a pressure sensor, a cylindrical block and a gas delivery pipe, the upper end front side of the bottom plate is fixedly connected with an upper end opening detection box, the inner side of the detection box is provided with a clamping assembly, the right wall surface of the detection box is embeddedly connected with the elastic eardrum, the right end of the detection box is fixedly connected with a support frame, the middle part of the support frame is fixedly connected with the pressure sensor, the upper end rear side of the bottom plate is rotatably connected with a rotating column, the upper end of the rotating column is fixedly connected with a fixed plate, the lower end front side of the fixed plate is fixedly connected with a gas cylinder, the movable end of the gas cylinder is fixedly connected with a U-shaped frame, the bottom of the U-shaped frame is fixedly connected with a sealing plate, the middle part of the sealing plate is movably penetrated with the cylindrical block, the surface of the cylindrical block is fixedly connected with the gas delivery pipe, and the clamping assembly comprises a U-shaped plate, an upright plate and an arc clamping piece.
[0007] Preferably, the capacitor to be tested is placed in the detection box, the two U-shaped plates are controlled to move close to each other by the clamping assembly, the two sets of arc clamping pieces are fixed and clamped on the capacitor by the upright plate, loosening during testing is avoided, the rotating column is rotated to make the sealing plate be above the detection box, the gas cylinder is started to push the sealing plate downward to seal the upper end opening of the detection box, the position of the gas delivery pipe is adjusted by rotating the cylindrical block, the gas delivery pipe corresponds to the oil injection port of the capacitor, the gas is pumped into the capacitor by an external air pump to increase the gas pressure, if the capacitor shell has a gas leakage, the gas filled in the capacitor will overflow into the detection box, the elastic eardrum is pushed outward, the pressure sensor detects a certain pressure, and it is directly indicated that the capacitor shell has a gas leakage phenomenon, and the capacitor is identified as a defective product, wherein the model of the pressure sensor in the device is CYYZ11, the device is convenient and simple to operate for leak detection testing of the capacitor, the steps are less and relatively simple, the capacitor shell can be stably clamped and tested, the process time is short, the detection efficiency is high, and whether the capacitor shell has a gas leakage problem can be directly displayed, thereby improving the normal use of the subsequent capacitor.
[0008] As a preferred, the clamping assembly further comprises a bidirectional screw rod and a rotating cap; the inner side rear end of the detection box is rotatably connected with the bidirectional screw rod, and the rear ends of the two U-shaped plates are symmetrically threadedly connected to the outer sides of the two ends of the bidirectional screw rod, and the right end outer side of the detection box is rotatably connected with the rotating cap, and the rotating cap is fixedly connected with the bidirectional screw rod through a rotating shaft.
[0009] As a preferred, the clamping assembly further comprises a fixed rod; the inner side front end of the detection box is fixedly connected with the fixed rod, and the front ends of the two U-shaped plates are symmetrically movably connected to the outer sides of the two ends of the fixed rod.
[0010] The lower end of the gas conveying pipe is fixedly connected with a gas nozzle, and the upper end of the gas conveying pipe is fixedly connected with a hose.
[0011] The middle part of the cylindrical block is fixedly connected with a limiting ring on the outside, and the limiting ring is movably connected to the inside of the cylindrical block.
[0012] The upper end of the detection box is fixedly connected with a positioning frame on the outside, the upper end of the sealing plate is fixedly connected with a fixed frame one on the outside, the lower end of the fixed frame one is fixedly connected with a plurality of spring damping dampers, and the lower end of each spring damping damper is fixedly connected with a fixed frame two.
[0013] The bottom of the fixed frame two is fixedly connected with an elastic sealing gasket, and the front end of the detection box is embeddedly connected with a transparent observation window.
[0014] The capacitor detection device has the advantages that:
[0015] 1. The capacitor to be tested is placed in the detection box, the two U-shaped plates are controlled to move relatively close to each other through the clamping assembly, the capacitor is fixed and clamped through the two groups of arc-shaped clamping pieces pushed by the vertical plate, loosening during the test is avoided, the sealing plate is located directly above the detection box by rotating the rotating column, the upper end opening of the detection box is closed downward by starting the cylinder to push the sealing plate, the position of the gas conveying pipe is adjusted by rotating the cylindrical block, the oil injection port of the capacitor is corresponded to the gas conveying pipe, the gas in the capacitor is pumped into the capacitor through the external air pump to increase the gas pressure, if the capacitor shell has a leakage, the gas in the capacitor will overflow into the detection box, the elastic eardrum is pushed outward to bulge, a certain pressure is detected by the pressure sensor, and it is directly indicated that the capacitor shell has a leakage phenomenon, and the capacitor is identified as a defective product. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The capacitor leak detection device is shown as a whole three-dimensional structure schematic view.
[0017] Figure 2 The detection box structure schematic view of the capacitor leak detection device is shown.
[0018] Figure 3 The clamping assembly connection structure schematic view of the capacitor leak detection device is shown.
[0019] Figure 4 The sealing plate structure schematic view of the capacitor leak detection device is shown.
[0020] Figure 5 A cylindrical block structure schematic view of the capacitor leak detection equipment is shown.
[0021] Marked for explanation: 1, bottom plate; 2, detection box; 301, U-shaped plate; 302, upright plate; 303, arc-shaped clamping piece; 304, bidirectional screw; 305, rotating cap; 306, fixed rod; 4, elastic eardrum; 5, support frame; 6, pressure sensor; 7, rotating column; 8, fixed plate; 9, air cylinder; 10, U-shaped frame; 11, sealing plate; 12, cylindrical block; 13, gas conveying pipe; 14, air nozzle; 15, hose; 16, fixed frame one; 17, spring shock absorber damper; 18, fixed frame two; 19, elastic sealing gasket; 20, positioning frame; 21, transparent observation window; 22, limiting ring. DETAILED DESCRIPTION
[0022] The utility model is further explained in connection with the drawings and examples.
[0023] Please refer to Figures 1-5The utility model provides a kind of embodiment: capacitor leak detection equipment, including bottom plate 1;Still including arc clamping piece 303, elastic tympanic membrane 4, pressure sensor 6, cylindrical block 12 and gas pipe 13, the upper end front side of bottom plate 1 is fixedly connected with the detection box 2 of upper end opening, the inboard of detection box 2 is provided with clamping assembly, the right wall surface of detection box 2 is embeddedly connected with elastic tympanic membrane 4, the right end of detection box 2 is fixedly connected with support frame 5, the middle part of support frame 5 is fixedly connected with pressure sensor 6, the upper end rear side of bottom plate 1 is rotatably connected with rotating column 7, the upper end of rotating column 7 is fixedly connected with fixed plate 8, the lower end front side of fixed plate 8 is fixedly connected with cylinder 9, the movable end of cylinder 9 is fixedly connected with U-shaped frame 10, the bottom of U-shaped frame 10 is fixedly connected with sealing plate 11, the middle part of sealing plate 11 is movably penetrated and is provided with cylindrical block 12, the surface of cylindrical block 12 is fixedly connected with gas pipe 13, and clamping assembly includes U-shaped plate 301, upright plate 302 and arc clamping piece 303;The inboard of detection box 2 is symmetrically provided with U-shaped plate 301 at left and right ends, one end of two U-shaped plates 301 is fixedly connected with upright plate 302 relative to close, and the upper and lower sides of one end of two upright plates 302 are fixedly connected with arc clamping piece 303 relative to close, the capacitor to be tested is placed into detection box 2, two U-shaped plates 301 are controlled to move relative to close by clamping assembly, the upper and lower two groups of arc clamping pieces 303 are pushed by upright plate 302 to be fixed and clamped to capacitor, avoid loosening in testing process, rotating column 7 is rotated so that sealing plate 11 is at the position of the upper side of detection box 2, cylinder 9 is started to push sealing plate 11 to seal the upper end opening of detection box 2 downwards, and the position of gas pipe 13 is adjusted by rotating cylindrical block 12, so that gas pipe 13 corresponds the oil injection port of capacitor, then gas is pumped into capacitor by external air pump to increase air pressure, if the capacitor shell exists leakage, then the gas filled in capacitor will overflow into detection box 2, in turn, elastic tympanic membrane 4 is pushed to bulge outward, pressure sensor 6 detects certain pressure, and it is directly indicated that the capacitor shell exists leakage phenomenon, and it is identified as defective product, wherein the model of pressure sensor 6 in the device is CYYZ11, and the device is convenient and simple to operate for leak detection test of capacitor, and the steps are less and more simple, can stably clamp capacitor shell and then test, process time is short, detection efficiency is high, whether capacitor shell exists leakage problem can be directly displayed, and higher protection is improved for subsequent normal use of capacitor.
[0024] Please refer to Figure 3 And Figure 5In the embodiment, the clamping assembly further comprises a bidirectional screw 304 and a rotating cap 305; the inner side rear end of the detection box 2 is rotatably connected with the bidirectional screw 304, and the rear ends of the two U-shaped plates 301 are symmetrically and threadedly connected to the outer sides of the two ends of the bidirectional screw 304; the right end outer side of the detection box 2 is rotatably connected with the rotating cap 305, and the rotating cap 305 is fixedly connected with the bidirectional screw 304 through a rotating shaft; rotating the rotating cap 305 drives the bidirectional screw 304 to rotate, thereby controlling the relative movement of the two U-shaped plates 301; the clamping assembly further comprises a fixed rod 306; the inner side front end of the detection box 2 is fixedly connected with the fixed rod 306, and the front ends of the two U-shaped plates 301 are symmetrically and movably connected to the outer sides of the two ends of the fixed rod 306; during the relative movement of the two U-shaped plates 301, the fixed rod 306 can keep its movement stable; the lower end of the gas conveying pipe 13 is fixedly connected with a gas nozzle 14, and the upper end of the gas conveying pipe 13 is fixedly connected with a hose 15; the gas nozzle 14 is connected with the oil injection port of the capacitor, and the hose 15 is connected with a gas pump to deliver gas.
[0025] Please refer to Figure 1 , Figure 2 and Figure 4 In the embodiment, the middle outer side of the cylindrical block 12 is fixedly connected with a limiting ring 22, and the limiting ring 22 is movably connected to the inner side of the cylindrical block 12; the limiting ring 22 can make the cylindrical block 12 freely rotate, thereby adjusting the position of the gas conveying pipe 13 for butt joint; the upper end outer side of the detection box 2 is fixedly connected with a positioning frame 20, and the upper end outer side of the sealing plate 11 is fixedly connected with a fixed frame one 16; the lower end of the fixed frame one 16 is fixedly connected with a plurality of spring shock absorbers 17; the lower end of each spring shock absorber 17 is fixedly connected with a fixed frame two 18; when the sealing plate 11 seals the upper end opening of the detection box 2, each spring shock absorber 17 at the bottom of the fixed frame one 16 is compressed, so that the fixed frame two 18 stably adheres to the positioning frame 20, thereby increasing the sealing property and preventing the detection box 2 from leaking gas to affect the test result; the bottom of the fixed frame two 18 is fixedly connected with an elastic sealing gasket 19; the front end of the detection box 2 is embeddedly connected with a transparent observation window 21; the elastic sealing gasket 19 further enhances the sealing property between the fixed frame two 18 and the positioning frame 20; and the transparent observation window 21 facilitates the observation of the butt joint condition inside.
[0026] In the process of working, the capacitor to be tested is placed in the detection box 2, and the two-way screw rod 304 is rotated by rotating the rotating cap 305 through the clamping assembly, and the two U-shaped plates 301 are relatively close to each other by cooperating with the fixed rod 306, and the capacitor is fixed and clamped by the two sets of arc-shaped clamping pieces 303 pushed by the upright plate 302, so as to avoid loosening during the test. The sealing plate 11 is in the position directly above the detection box 2 by rotating the rotating column 7, the gas cylinder 9 is started to push the sealing plate 11 downward to seal the upper end opening of the detection box 2, each spring shock absorber 17 at the bottom of the fixed frame one 16 is compressed, so that the fixed frame two 18 is stably attached to the positioning frame 20, the sealing property is increased, the gas inlet pipe 13 is connected with the gas nozzle 14 and the hose 15 at both ends respectively, one end of the hose 15 is connected with the air pump, the position of the gas inlet pipe 13 is adjusted by rotating the cylindrical block 12, so that the gas inlet pipe 13 corresponds to the oil inlet of the capacitor, and then the gas is pumped into the capacitor by the external air pump to increase the gas pressure. If the capacitor shell has a leakage, the gas filled in the capacitor will overflow into the detection box 2, and then push the elastic eardrum 4 to bulge outward, and the pressure sensor 6 detects a certain pressure, which directly indicates that the capacitor shell has a leakage phenomenon, and is identified as a defective product. The operation of the capacitor leak detection test is convenient and simple, the steps are less and more simple, the capacitor shell can be stably clamped and tested, the process time is short, the detection efficiency is high, and whether the capacitor shell has a leakage problem can be directly displayed, which improves the high protection for the normal use of the subsequent capacitor.
[0027] Through the above steps, the two sets of arc-shaped clamping pieces 303 are controlled by the clamping assembly to quickly fix and clamp the capacitor, the upper end opening of the detection box 2 is sealed by the sealing plate 11 pushed by the air cylinder 9, the gas inlet of the capacitor is injected by the gas inlet pipe 13 connected with the air pump, the leakage is judged by observing the feedback of the pressure sensor 6, the operation is convenient and simple, the steps are simple, the capacitor shell can be stably clamped and tested, the process time is short, the detection efficiency is high, and whether the capacitor shell has a leakage problem can be directly displayed, which improves the high protection for the normal use of the subsequent capacitor. To solve the problem that the existing capacitor leak detection test has the inconvenience of operation, cannot quickly fix the tested capacitor, has complicated detection steps, long process time, low detection efficiency, delays the use of the capacitor, and has great limitations.
Claims
1. Capacitor leak detection apparatus comprising a base plate (1); characterised in that: The utility model also includes arc clamping piece (303), elastic eardrum (4), pressure sensor (6), cylinder block (12) and gas pipe (13), the upper end front side fixed connection of bottom plate (1) has upper end opening detection box (2), the inside of detection box (2) is provided with clamping subassembly, the right wall surface of detection box (2) is embeddedly connected with elastic eardrum (4), the right end fixed connection of detection box (2) has support frame (5), the middle part fixed connection of support frame (5) has pressure sensor (6), the upper end rear side swing joint of bottom plate (1) has rotating column (7), the upper end fixed connection of rotating column (7) has fixed plate (8), the lower end front side fixed connection of fixed plate (8) has pneumatic cylinder (9), the movable end fixed connection of pneumatic cylinder (9) has U type frame (10), the bottom fixed connection of U type frame (10) has sealing plate (11), the middle part movable through of sealing plate (11) cylinder block (12) is provided with, the surface through fixed connection of cylinder block (12) has gas pipe (13), clamping subassembly includes U type board (301), vertical board (302) and arc clamping piece (303);The inside of detection box (2) is provided with U type board (301) left and right two ends symmetry, the one end fixed connection of two U type boards (301) relative close has vertical board (302), the one end fixed connection of two vertical boards (302) relative close has arc clamping piece (303) up and down side.
2. The capacitor leak detection apparatus of claim 1, wherein: Clamping subassembly also includes bidirectional screw rod (304) and cap (305);The inside rear end of detection box (2) swing joint has bidirectional screw rod (304), and the rear end of two U type boards (301) is symmetrically connected in the both ends outside of bidirectional screw rod (304) with screw thread, the right end outside of detection box (2) swing joint has cap (305), and cap (305) is fixedly connected with bidirectional screw rod (304) through pivot.
3. The capacitor leak detection apparatus of claim 2, wherein: Clamping subassembly also includes fixed rod (306);The inside front end of detection box (2) is fixedly connected with fixed rod (306), and the front end of two U type boards (301) is symmetrically movably connected in the both ends outside of fixed rod (306).
4. The capacitor leak detection apparatus of claim 1, wherein: The lower end of gas pipe (13) is fixedly connected with air nozzle (14), and the upper end of gas pipe (13) is fixedly connected with hose (15).
5. The capacitor leak detection apparatus of claim 1, wherein: The middle part outside of cylinder block (12) is fixedly connected with limit ring (22), and limit ring (22) is movably connected to the inside of cylinder block (12).
6. The capacitor leak detection apparatus of claim 1, wherein: The upper end outside of detection box (2) is fixedly connected with positioning frame (20), the upper end outside of sealing plate (11) is fixedly connected with fixed frame one (16), the lower end of fixed frame one (16) is fixedly connected with a plurality of spring shock absorber dampers (17), and the lower end of each spring shock absorber damper (17) is fixedly connected with fixed frame two (18).
7. The capacitor leak detection apparatus of claim 6, wherein: The bottom of fixed frame two (18) is fixedly connected with elastic sealing gasket (19), and the front end of detection box (2) is embeddedly connected with transparent observation window (21).