Capacitor damage test device

By designing an annular inclined groove and a guide channel structure for the capacitor destructive testing device, and combining a scraper and a magnet to remove the electrolyte, the problems of cleaning difficulties and health hazards caused by electrolyte spraying are solved, and a safe and efficient capacitor destructive test is achieved.

CN223692151UActive Publication Date: 2025-12-19NINGGUO SAIBAO CORE BASIC PARTS IND TECH RES INST CO LTD
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Patent Information

Application Number
CN202422910053.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-19
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

During electrolytic capacitor destructive testing, electrolyte is sprayed onto the workbench or enclosure, making cleanup difficult and posing a health hazard to workers.

Method used

A capacitor destructive testing device was designed, which uses an annular inclined groove and a guide channel structure to collect electrolyte, and combines a scraper and a magnet to remove electrolyte from the glass wall. Pressure is applied by a reciprocating motor and a lead screw system to achieve centralized collection and cleaning of electrolyte.

Benefits of technology

It effectively collects and cleans electrolyte, reduces cleaning difficulty, protects the health of staff, and ensures the safety of the test process and unobstructed observation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a capacitor damage test device, which comprises a base. Supporting columns are fixedly arranged in the middle of the base. A lower fixing plate is fixedly connected to the upper portion of the supporting column. An upper fixing plate is arranged right above the lower fixing plate; annular grooves are formed in the surfaces, close to each other, of the lower fixing plate and the upper fixing plate; an annular glass wall is jointly inserted between the annular grooves; a groove is formed in the position, corresponding to the inner side of the annular groove, of the lower fixing plate, and the groove is of an annular slope structure. In addition, after the electrolyte on the glass wall is scraped off by the scraping rod, the electrolyte can also fall onto the lower fixing plate and then is collected into the container from the groove, the flow guide groove and the flow guide plate, and after the electrolyte is collected, only a small amount of electrolyte exists on the upper floor, and when subsequent workers clean the electrolyte, the electrolyte can be conveniently collected. The risk of being injured by electrolyte can be greatly reduced, and the purpose of protecting the body health of workers is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to capacitor test technical field, specifically, relate to a capacitor destruction test device. BACKGROUND

[0002] Capacitor is a kind of electronic component that can store electric charge and electric energy, according to dielectric, it can be divided into electrolytic capacitor, electrothermal capacitor, air dielectric capacitor etc., wherein electrolytic capacitor is made of aluminum cylinder as negative pole, inside liquid electrolyte is loaded, a piece of curved aluminum strip is inserted as positive pole and is made, it has the characteristics of large capacity, relatively cheap price, but because it contains electrolyte inside, therefore, it needs to be destructed test when producing, guarantees product quality, ensures the performance and service life of capacitor.

[0003] When destructing test is carried out to capacitor, the items that are often detected to capacitor include pressure test, the maximum pressure that can be withstood by capacitor is detected, the pressure range that can be withstood by capacitor is judged, and it is ensured that capacitor will not be damaged due to external pressure.

[0004] At present, when destructing test is carried out to capacitor, it needs to be surrounded in a transparent fence space, it is ensured that staff can observe its test process, and it is also ensured that capacitor will not harm staff when receiving pressure test, however, when electrolytic capacitor is destructed test, electrolyte in electrolytic capacitor is often squeezed out, these electrolyte can be directly sprayed on workbench or fence inside, and in subsequent cleaning, it can harm staff due to its strong acid or strong base nature, and cleaning difficulty is increased. UTILITY MODEL CONTENTS

[0005] To solve the technical problem that electrolyte is sprayed on workbench or fence inside when electrolytic capacitor is destructed test, and it is difficult to clean subsequently due to the harm to staff, the utility model provides a capacitor destruction test device.

[0006] The purpose of the utility model can be realized by the following technical scheme:

[0007] A capacitor destruction test device, including base, fixedly arranged support column is arranged in the middle of base, and the lower fixed plate is fixedly connected above the support column, the upper fixed plate is arranged directly above the lower fixed plate, the side of the lower fixed plate and the upper fixed plate that is close to each other is provided with annular groove, and the annular glass wall is inserted between the annular grooves.

[0008] The recess is arranged at the position corresponding to the inner side of annular groove of the lower fixed plate, and the recess is an annular inclined surface structure, the flow guide groove is arranged at the position corresponding to the bottom of the recess of the lower fixed plate, and the flow guide groove is arranged obliquely, and the flow guide plate is fixedly connected at the position corresponding to the flow guide groove of the side of the lower fixed plate.

[0009] Further, the edge of the upper fixed plate is provided with a pull rod penetrating through the upper fixed plate, the pull rod is in sliding connection with the upper fixed plate, and the annular scraping rod is fixedly connected to the position corresponding to the position below the upper fixed plate; the lower part of the annular scraping rod is in a slope structure; and the annular magnet is arranged in the annular scraping rod.

[0010] Further, the center of the upper surface of the lower fixed plate is provided with a pressure sensor; the upper surface of the upper fixed plate is fixedly provided with a reciprocating motor; the output end of the reciprocating motor is connected with a lead screw, the lower end of the lead screw is in rotary connection with the lower fixed plate; a pressing block in a Y-shaped structure is threadedly connected to the lead screw; the guide rod is fixedly connected to the position corresponding to the pressing block; the guide rod penetrates through the upper fixed plate and is in sliding connection with the pressing block.

[0011] Further, the lower surface of the pressing block is fixedly connected with a reinforcing rib, and the reinforcing rib is arranged at the lead screw connecting position in the middle of the lower surface of the pressing block.

[0012] Further, the base is provided with a U-shaped cutout corresponding to the position of the flow guide plate; and a container is arranged in the cutout and located at the end of the flow guide plate.

[0013] Further, the lower fixed plate and the upper fixed plate are provided with symmetrically arranged threaded rods, the lower end of the threaded rod is in threaded connection with the lower fixed plate, and the upper fixed plate and the lower fixed plate are fixedly connected through cooperation of the threaded rod and a nut.

[0014] Further, the front surface of the glass wall is provided with a sealing plate, and the curvature of the sealing plate is the same as that of the glass wall.

[0015] Further, the positions, where the sealing plate and the glass wall are connected, are respectively fixedly connected with first hinge blocks; the first hinge blocks are internally provided with first pins, and the sealing plate is in rotary connection with the glass wall through cooperation of the first hinge blocks and the first pins; the other sides, where the sealing plate and the glass wall are connected, are respectively fixedly connected with second hinge blocks in an arc-shaped structure; and the second hinge blocks are internally provided with detachable second pins.

[0016] The utility model discloses the beneficial effect:

[0017] The utility model discloses a recess groove structure is utilized to the electrolyte is all concentrated in the recess, and then the flow guide groove and the flow guide plate are utilized to cooperate and concentrate the electrolyte and arrange in the container, complete the collection of electrolyte, in addition, when the scraping rod scrapes the electrolyte on the glass wall, the electrolyte also falls on the lower fixed plate, and then is collected to the container from the recess, the flow guide groove and the flow guide plate, when the electrolyte is all collected, only a small amount of electrolyte exists on the upper floor, and when the subsequent staff member cleans, can greatly reduce the risk of being hurt by the electrolyte, reach the purpose of protecting the health of staff member's body.

[0018] The utility model discloses a capacitor reaches the maximum pressure critical value is pressed after, the electrolyte in capacitor can spray on the glass wall, and the staff can use the bevel on the scraper to remove the electrolyte on the glass wall through the up and down pull of scraper, to solve the cleaning problem of glass wall, avoid the electrolyte attached on the glass wall to influence the observation line of sight of staff, and when the glass wall cleaning is completed, directly move the scraper to the upper fixed plate, use magnet and stainless steel adsorption, reach the fixed purpose of scraper, can guarantee when removing the electrolyte on the glass wall and use the bevel below the scraper to scrape, make the cleaning effect better. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0020] Figure 1 It is the overall structure schematic diagram of the utility model;

[0021] Figure 2 It is the sectional view of the utility model;

[0022] Figure 3 It is Figure 2 The local enlarged view;

[0023] Figure 4 It is the structure schematic diagram of the utility model in pressure block;

[0024] Figure 5 It is the structure schematic diagram of the utility model in scraper;

[0025] Figure 6 It is the structure schematic diagram of the utility model in lower fixed plate;

[0026] In the drawing, the component list represented by each sign is as follows:

[0027] 1, base;2, support column;3, lower fixed plate;4, glass wall;401, annular groove;402, threaded rod;403, nut;5, sealing plate;501, first hinged block;502, first pin;503, second hinged block;504, second pin;6, upper fixed plate;7, pressure sensor;701, pressure block;702, screw;703, guide rod;704, reciprocating motor;705, reinforcing rib;8, annular scraper;801, magnet;802, pull rod;9, recess;901, flow guide groove;902, flow guide plate;903, cutout;904, container. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figure 1 - Figure 2 As shown in FIG. 1, a capacitor damage test device includes a base 1; a support column 2 is fixedly arranged in the middle of the base 1; a lower fixed plate 3 is fixedly connected above the support column 2; an upper fixed plate 6 is arranged directly above the lower fixed plate 3, and the upper fixed plate 6 and the lower fixed plate 3 are SUS430 type stainless steel; a ring-shaped groove 401 is formed on the side of the upper fixed plate 6 and the lower fixed plate 3 that faces each other; a ring-shaped glass wall 4 is inserted between the ring-shaped grooves 401, and the glass wall 4, the upper fixed plate 6 and the lower fixed plate 3 together form a closed fence space; a threaded rod 402 is arranged symmetrically between the lower fixed plate 3 and the upper fixed plate 6, the lower end of the threaded rod 402 is threadedly connected with the lower fixed plate 3, and the upper fixed plate 6 and the lower fixed plate 3 are fixedly connected through the cooperation of the threaded rod 402 and a nut 403.

[0030] Through the detachable upper fixed plate 6 and the lower fixed plate 3, the threaded rod 402 and the nut 403 can be used to realize quick disassembly during later maintenance, which is not only convenient for workers to use, but also convenient for workers to clean later.

[0031] Please refer to FIG. 2 again, Figure 1 As shown in FIG. 2, the front of the glass wall 4 is provided with a sealing plate 5, and the curvature of the sealing plate 5 is the same as that of the glass wall 4; first hinge blocks 501 are fixedly connected at the positions where the sealing plate 5 and the glass wall 4 are connected; first pins 502 are arranged in the first hinge blocks 501, and the sealing plate 5 is rotationally connected with the glass wall 4 through the cooperation of the first hinge blocks 501 and the first pins 502; second hinge blocks 503 are fixedly connected at the other sides of the sealing plate 5 and the glass wall 4, and the second hinge blocks 503 are in arc-shaped structures; and detachable second pins 504 are arranged in the second hinge blocks 503.

[0032] The glass wall 4 is connected with the sealing plate 5 through the cooperation of the first pin 502 and the first hinge block 501. When the test is carried out, the sealing plate 5 can be opened, and then the capacitor 904 is placed inside the glass wall 4. After that, the sealing plate 5 is closed on the glass wall 4, and the second hinge block 503 is connected by the second pin 504, so that the sealing plate 5 seals the enclosure space composed of the glass wall 4, the upper fixed plate 6 and the lower fixed plate 3, avoiding the harm to the staff when the capacitor 904 explodes during the test.

[0033] Please refer to Figure 2 and Figure 4 , the lower fixed plate 3 is provided with a pressure sensor 7 at the center of the upper surface; the upper fixed plate 6 is fixedly provided with a reciprocating motor 704 on the upper surface; the reciprocating motor 704 is connected with a lead screw 702, and the lower end of the lead screw 702 is rotatably connected with the lower fixed plate 3; the lead screw 702 is threadedly connected with a pressing block 701, which is Y-shaped in structure, for applying pressure to the capacitor 904, cooperating with the pressure sensor 7 to detect the maximum pressure that the capacitor 904 can withstand; the lower fixed plate 3 is fixedly connected with a guide rod 703 corresponding to the position of the pressing block 701; the guide rod 703 penetrates to the upper side of the upper fixed plate 6 and is slidably connected with the pressing block 701; the pressing block 701 is fixedly connected with a reinforcing rib 705 at the middle of the lower surface, for enhancing the stability of the pressing block 701.

[0034] The lead screw 702 is driven to rotate by the reciprocating motor 704, and the pressing block 701 is driven to move up and down by the lead screw 702. When the capacitor 904 is placed on the pressure sensor 7, the pressing block 701 applies pressure to the capacitor 904, and then applies pressure to the pressure sensor 7. When the capacitor 904 is damaged, the maximum pressure critical value that the capacitor 904 can withstand can be measured. Through the cooperation of the reciprocating lead screw 702 and the motor, the required pressure can be accurately applied to the capacitor 904, so that the measured data is more accurate.

[0035] Please refer to Figure 2 and Figure 5 , the edge of the upper fixed plate 6 is provided with a pull rod 802 penetrating through the upper fixed plate 6, and the pull rod 802 is slidably connected with the upper fixed plate 6; the pull rod 802 is fixedly connected with an annular scraping rod 8 corresponding to the position below the upper fixed plate 6, and the lower part of the annular scraping rod 8 is inclined, for scraping the electrolyte on the glass wall 4; the annular scraping rod 8 is provided with an annular magnet 801.

[0036] When the capacitor 904 reaches the maximum pressure critical value and is broken, the electrolyte inside the capacitor 904 can be sprayed on the glass wall 4. The staff can use the inclined surface of the scraper to clean the electrolyte on the glass wall 4 by pulling the scraper up and down, so as to solve the cleaning problem of the glass wall 4 and avoid the difficulty of cleaning in the later period. At the same time, the electrolyte attached to the glass wall 4 can avoid affecting the observation line of sight of the staff. When the cleaning of the glass wall 4 is completed, the scraper is directly moved upward to the upper fixed plate 6, and the magnet 801 and the stainless steel are adsorbed to achieve the purpose of fixing the scraper, so that the electrolyte on the glass wall 4 can be scraped by the inclined surface below the scraper, and the cleaning effect is better.

[0037] Please refer to Figure 2 、 Figure 3 and Figure 5 , the lower fixed plate 3 is provided with a recess 9 corresponding to the position of the inner side of the annular groove 401, and the recess 9 is an annular inclined surface structure; the lower fixed plate 3 is provided with a flow guide groove 901 corresponding to the position of the bottom of the recess 9, and the flow guide groove 901 is arranged obliquely; the lower fixed plate 3 is fixedly connected with a flow guide plate 902 corresponding to the position of the flow guide groove 901; the base 1 is provided with a U-shaped cutout 903 corresponding to the position of the flow guide plate 902; the cutout 903 is provided with a container 904, and the container 904 is located at the end of the flow guide plate 902.

[0038] After the capacitor 904 is broken, part of the electrolyte is sprayed on the lower base 1. By using the annular inclined recess 9 structure, the electrolyte is all concentrated in the recess 9, and then the electrolyte is concentrated and discharged in the container 904 by cooperating the flow guide groove 901 and the flow guide plate 902 in the recess 9. In addition, after the electrolyte on the glass wall 4 is scraped off by the scraper, it also falls on the lower fixed plate 3, and then is collected into the container 904 from the recess 9, the flow guide groove 901 and the flow guide plate 902. When the electrolyte is all collected, only a small amount of electrolyte exists on the upper floor, and the risk of being injured by the electrolyte can be greatly reduced when the staff cleans it later, so as to achieve the purpose of protecting the health of the staff.

[0039] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The above is only an example and description of the structure of the utility model, and various modifications or supplements or similar replacements of the described specific embodiments can be made by the skilled in the art without deviating from the structure of the utility model or beyond the scope defined by the claims, which shall belong to the protection scope of the utility model.

Claims

1. A capacitor (904) breakdown test device, characterized by: Including base (1), the middle part of base (1) is fixedly provided with support column (2), the upper portion of support column (2) is fixedly connected with lower fixed plate (3), the upper portion of lower fixed plate (3) is provided with upper fixed plate (6), the side of lower fixed plate (3) and upper fixed plate (6) close to each other is provided with annular groove (401), annular groove (401) is jointly inserted with annular glass wall (4) between them. The position corresponding to the inner side of annular groove (401) of lower fixed plate (3) is provided with recess (9), which is an annular inclined surface structure, and the position corresponding to the bottom of recess (9) of lower fixed plate (3) is provided with flow guide groove (901), which is arranged obliquely, and the position corresponding to flow guide groove (901) of the side of lower fixed plate (3) is fixedly connected with flow guide plate (902).

2. The capacitor (904) breakdown test apparatus according to claim 1, characterized by: The edge of upper fixed plate (6) is provided with pull rod (802) penetrating through upper fixed plate (6), the pull rod (802) is slidably connected with upper fixed plate (6), the position corresponding to the lower portion of upper fixed plate (6) of pull rod (802) is fixedly connected with annular scraping rod (8), the lower portion of annular scraping rod (8) is an inclined surface structure, and annular magnet (801) is arranged in annular scraping rod (8).

3. The capacitor (904) breakdown test apparatus according to claim 1, characterized by: The center of the upper surface of lower fixed plate (3) is provided with pressure sensor (7), the upper surface of upper fixed plate (6) is fixedly provided with reciprocating motor (704), the output end of reciprocating motor (704) is connected with lead screw (702), the lower end of lead screw (702) is rotatably connected with lower fixed plate (3), the pressure block (701) is threadedly connected with the upper portion of lead screw (702), the pressure block (701) is an Y-shaped structure, the position corresponding to pressure block (701) of lower fixed plate (3) is fixedly connected with guide rod (703), guide rod (703) penetrates through the upper portion of upper fixed plate (6) and is slidably connected with pressure block (701).

4. The capacitor (904) breakdown test apparatus according to claim 3, characterized by: The lower surface of pressure block (701) is fixedly connected with reinforcing rib (705), and the reinforcing rib (705) is arranged at the lead screw (702) connection position of the lower surface of pressure block (701).

5. The capacitor (904) breakdown test apparatus according to claim 1, characterized by: The position corresponding to flow guide plate (902) of base (1) is provided with U-shaped notch (903), and container (904) is arranged in notch (903), and container (904) is located at the end of flow guide plate (902).

6. The capacitor (904) breakdown test apparatus according to claim 1, characterized by: The position corresponding to flow guide plate (902) of base (1) is provided with U-shaped notch (903), and container (904) is arranged in notch (903), and container (904) is located at the end of flow guide plate (902).

7. The capacitor (904) breakdown test apparatus according to claim 1, characterized by: The position corresponding to flow guide plate (902) of base (1) is provided with U-shaped notch (903), and container (904) is arranged in notch (903), and container (904) is located at the end of flow guide plate (902). The position corresponding to flow guide plate (902) of base (1) is provided with U-shaped notch (903), and container (904) is arranged in notch (903), and container (904) is located at the end of flow guide plate (902). The position corresponding to flow guide plate (902) of base (1) is provided with U-shaped notch (903), and container (904) is arranged in notch (903), and container (904) is located at the end of flow guide plate (902). The position corresponding to flow guide plate (902) of base (1) is provided with U-shaped notch (903), and container (904) is arranged in notch (903), and container (904) is located at the end of flow guide plate (902).

8. The capacitor (904) breakdown test apparatus according to claim 7, characterized by: The position where the sealing plate (5) and the glass wall (4) are connected is fixedly connected with a first hinge block (501); the first hinge block (501) is internally provided with a first pin (502), and the sealing plate (5) is rotationally connected with the glass wall (4) through cooperation of the first hinge block (501) and the first pin (502); the other side of the sealing plate (5) connected with the glass wall (4) is fixedly connected with a second hinge block (503), and the second hinge block (503) is in an arc structure; the second hinge block (503) is internally provided with a detachable second pin (504).