Capacitor internal fuse detection device
By introducing a drive component and a guide component into the capacitor internal fuse detection device, the adaptability of the device to testing internal fuses of different lengths is solved, enabling flexible internal fuse testing and convenient operation of the milliohm meter, thus improving testing efficiency and practicality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
Existing capacitor internal fuse detection devices lack adjustment functions, cannot adapt to testing internal fuses of different lengths, and milliohm meters are inconvenient to use, affecting testing efficiency and practicality.
A detection device comprising a drive component and a guide component is designed. The drive component adjusts the position of the slide plate through a screw and gear structure, and the guide component fixes the milliohm meter for easy movement, thereby enabling flexible testing of fuses of different lengths and convenient operation of the milliohm meter.
This improved the device's adaptability to testing fuses of different lengths, reduced the frequency of milliohm meter handling, enhanced testing efficiency and equipment usability, and lowered operational risks.
Smart Images

Figure CN224109624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to capacitor technical field, especially relate to a capacitor internal fuse detection device. BACKGROUND
[0002] The capacitor internal fuse is a special design fuse, which is directly installed in the capacitor, and is connected in series with each element or module of the capacitor. Its main purpose is to provide rapid and effective protection when the capacitor appears overcurrent or failure, prevent the capacitor from being damaged due to overcurrent, and even cause greater circuit failure or safety accident. The internal fuse needs to be detected by a detection device to detect whether its quality meets the standard.
[0003] For example, the Chinese patent with the announcement number CN206756934U discloses a detection equipment for capacitor internal fuse assembly, which comprises a test table, a milliohm meter, an executing mechanism and a fixing device. The fixing device is located on the test table, and the two ends of the internal fuse assembly to be tested are clamped in the fixing device. The executing mechanism is located on the test table, and the executing mechanism controls the fixing device. The milliohm meter is electrically connected with the two ends of the internal fuse assembly. The fixing device comprises two fixing parts for fixing the two ends of the internal fuse assembly respectively. The fixing part comprises a pressing strip. The internal fuse assembly comprises a plurality of internal fuses. The end of each internal fuse is connected with a clamping part, and the clamping part is clamped and fixed with the pressing strip.
[0004] The above detection equipment can timely and effectively detect the cases of material inconsistency, poor processing, misuse of fuse, and avoid safety hazards. However, the detection equipment still has some defects that need to be improved. The structure position for fixing the internal fuse of the equipment is relatively fixed, and lacks necessary adjustment function, which directly limits its testing ability for internal fuses of different lengths, cannot fully meet the testing requirements, reduces the practicality of the device, and the milliohm meter is placed on the table during use, which is not convenient to use. UTILITY MODEL CONTENTS
[0005] In view of the problems mentioned in the background art, the utility model aims to provide a capacitor internal fuse detection device to solve the problems mentioned in the background art.
[0006] The above technical purpose of the utility model is realized by the following technical scheme:
[0007] The utility model provides a capacitor internal fuse detection device, including the base, the top of base fixedly connected with test bench, one side of the top of test bench fixedly connected with fixed frame, the top of fixed frame fixedly connected with first air cylinder, the output of first air cylinder fixedly connected with moving plate, the below fixedly connected with the butt plate of moving plate on test bench, one side of test bench is equipped with drive assembly, the slide of slide plate is connected through drive assembly on test bench, one side of slide plate fixedly connected with second air cylinder, the output of second air cylinder fixedly connected with moving block, the below fixedly connected with butt block of moving block on slide plate, one side of test bench is equipped with guide component away from drive assembly, one side of test bench is connected through guide component with milliohm meter.
[0008] As a preferred technical scheme, the drive assembly comprises a first sliding groove, the first sliding groove is formed in the test bench, a screw rod is rotatably connected in the first sliding groove, a screw block is threadedly connected to the outer surface of the screw rod, the screw block is slidably connected with the first sliding groove, the screw block is fixedly connected to the bottom end of the slide plate, a driven gear is fixedly connected to one side of the screw rod, a driving gear is meshingly connected to one side of the driven gear, the driven gear and the driving gear are both rotatably connected to the test bench, and the driving gear is fixedly connected to a hand wheel.
[0009] As a preferred technical scheme, the test bench is provided with a second sliding groove on both sides of the first sliding groove, a pulley is slidably connected in the second sliding groove, and the pulley is installed at the bottom end of the slide plate.
[0010] As a preferred technical scheme, the guide component comprises a third sliding groove, the third sliding groove is formed in the test bench away from the first sliding groove, a sliding block is slidably connected in the third sliding groove, and a mounting seat is fixedly connected to one side of the sliding block.
[0011] As a preferred technical scheme, a guide rod is fixedly connected in the third sliding groove, and the sliding block is slidably connected to the guide rod.
[0012] As a preferred technical scheme, a handle is fixedly connected to one side of the mounting seat away from the sliding block.
[0013] In summary, the utility model mainly has the following beneficial effects:
[0014] Firstly, the utility model is installed with the drive assembly on the test bench, the slide plate is driven to move by the drive assembly, the moving block and the butt block are driven to move by the slide plate, the positions between the moving block, the butt block, the moving plate and the butt plate are adjusted, the internal fuse test requirements of different lengths can be adapted within a certain range, the flexibility of the test is improved, the device can cope with more kinds of capacitor test tasks, and the practicability and application value of the device are improved.
[0015] Secondly, the utility model discloses, through installing the guide assembly on the test platform, installs milliohm meter on the guide assembly, makes milliohm meter can always keep in the position of easy to reach, and staff need not frequently carry and remove milliohm meter, this not only alleviates their physical burden, also reduced the risk of equipment damage due to improper operation, improved test efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structural schematic diagram of the utility model;
[0017] Figure 2 It is the bottom structure schematic diagram of the utility model;
[0018] Figure 3 It is the A place enlarged structural schematic diagram of the utility model Figure 2 ;
[0019] Figure 4 It is the slide plate bottom structure schematic diagram of the utility model.
[0020] Reference 1, base;2, test platform;3, fixed frame;4, first air cylinder;5, moving plate;6, abutting plate;7, slide plate;8, second air cylinder;9, moving block;10, abutting block;11, drive assembly;111, first sliding groove;112, screw;113, screw block;114, driven gear;115, driving gear;116, hand wheel;12, second sliding groove;13, pulley;14, milliohm meter;15, guide assembly;151, third sliding groove;152, sliding block;153, guide rod;154, mounting seat;155, handle. DETAILED DESCRIPTION
[0021] EMBODIMENT
[0022] REFERENCE Figures 1 to 4The capacitor internal fuse detection device disclosed in the embodiment comprises a base 1, a test table 2 fixedly connected to the top end of the base 1, a fixing frame 3 fixedly connected to the top end of one side of the test table 2, a first air cylinder 4 fixedly connected to the top end of the fixing frame 3, a moving plate 5 fixedly connected to the output end of the first air cylinder 4, a contact plate 6 fixedly connected to the test table 2 below the moving plate 5, a driving assembly 11 arranged on one side of the test table 2, a sliding plate 7 slidably connected to the test table 2 through the driving assembly 11, a second air cylinder 8 fixedly connected to one side of the sliding plate 7, a moving block 9 fixedly connected to the output end of the second air cylinder 8, a contact block 10 fixedly connected to one side of the moving block 9 on the sliding plate 7, a guide assembly 15 arranged on the side of the test table 2 away from the driving assembly 11, and a milliohm meter 14 slidably connected to one side of the test table 2 through the guide assembly 15. When testing the internal fuse, the milliohm meter 14 can provide a constant test current and measure the voltage drop across the internal fuse, so as to accurately calculate the resistance value of the internal fuse. Through the above arrangement, the internal fuse of different lengths within a certain range can be fixed, the flexibility and practicality of the device are improved, and the milliohm meter 14 does not need to be frequently moved.
[0023] Reference Figure 1 And Figure 3 The driving assembly 11 comprises a first sliding groove 111 formed in the test table 2, a screw rod 112 rotatably connected to the inside of the first sliding groove 111, a screw block 113 threadedly connected to the outer surface of the screw rod 112 and slidably connected with the first sliding groove 111, the screw block 113 being fixedly connected to the bottom end of the sliding plate 7, a driven gear 114 fixedly connected to one side of the screw rod 112, a driving gear 115 meshingly connected to one side of the driven gear 114, the driven gear 114 and the driving gear 115 being both rotatably connected to the test table 2, and a hand wheel 116 fixedly connected to one side of the driving gear 115. By arranging the driving assembly 11, the hand wheel 116 is rotated according to the length of the internal fuse, the hand wheel 116 drives the driving gear 115 to rotate, the driving gear 115 drives the driven gear 114 to rotate, and the driven gear 114 drives the screw rod 112 to rotate, so as to drive the screw block 113 to slide in the first sliding groove 111, thereby making the screw block 113 drive the sliding plate 7 to move and adjust the position of the clamping part, facilitating the fixation of the internal fuse.
[0024] Reference Figure 1 And Figure 4 Second sliding grooves 12 are formed on both sides of the first sliding groove 111 on the test table 2, and pulleys 13 are slidably connected to the inside of the second sliding grooves 12 and installed at the bottom end of the sliding plate 7. By arranging the second sliding grooves 12 and the pulleys 13, the sliding plate 7 moves more smoothly on the test table 2, facilitating the position adjustment of the clamping part.
[0025] Reference Figure 2 The guiding assembly 15 includes a third sliding groove 151 which is arranged on the test table 2 away from the side of the first sliding groove 111, a sliding block 152 is slidably connected in the third sliding groove 151, a mounting seat 154 is fixedly connected to one side of the sliding block 152, the milliohm meter 14 is fixedly connected to the mounting seat 154, a guiding rod 153 is fixedly connected in the third sliding groove 151, the sliding block 152 is slidably connected to the guiding rod 153, and a handle 155 is fixedly connected to the side of the mounting seat 154 away from the sliding block 152. By arranging the guiding assembly 15, the milliohm meter 14 can be installed on the test table 2 and does not need to be frequently moved and carried. When the position of the milliohm meter 14 needs to be adjusted, the handle 155 is held to drive the mounting seat 154 to move, the sliding block 152 connected to the mounting seat 154 slides in the first sliding groove 111, the sliding block 152 slides on the guiding rod 153 of the third sliding groove 151, and thus the position of the milliohm meter 14 can be adjusted, and the milliohm meter 14 is convenient for testing the internal fuse.
[0026] Principle and advantages: one side of the internal fuse is placed on the abutting plate 6, the first cylinder 4 drives the moving plate 5 to move to clamp and fix one side of the internal fuse, the hand wheel 116 is rotated to drive the driving gear 115 to rotate, the driving gear 115 drives the driven gear 114 to drive the screw rod 112 to rotate in the first sliding groove 111, the screw block 113 on the surface of the screw rod 112 slides in the first sliding groove 111, the sliding block 152 drives the sliding plate 7 to adjust the position, the other side of the internal fuse is placed between the moving block 9 and the abutting block 10, the second cylinder 8 drives the moving block 9 to clamp and fix the internal fuse, and thus the test requirement of the internal fuse of different lengths can be met in a certain range, the flexibility of the test is improved, the mounting seat 154 is pushed by the handle 155, the sliding block 152 connected to the mounting seat 154 slides on the guiding rod 153 in the third sliding groove 151, the mounting seat 154 drives the milliohm meter 14 to move, the staff does not need to frequently carry and move the milliohm meter 14, and the milliohm meter 14 is convenient and fast to operate and use.
Claims
1. A capacitor in-fuse detection apparatus comprising a base, characterized by: The top end of the base is fixedly connected with a test table, one side of the top end of the test table is fixedly connected with a fixing frame, the top end of the fixing frame is fixedly connected with a first air cylinder, the output end of the first air cylinder is fixedly connected with a moving plate, the test table is fixedly connected with a resisting plate below the moving plate, one side of the test table is provided with a driving assembly, the test table is slidably connected with a sliding plate through the driving assembly, one side of the sliding plate is fixedly connected with a second air cylinder, the output end of the second air cylinder is fixedly connected with a moving block, one side of the sliding plate above the moving block is fixedly connected with a resisting block, one side of the test table away from the driving assembly is provided with a guide assembly, and one side of the test table is slidably connected with a milliohmmeter through the guide assembly.
2. A fuse detection apparatus for use in a capacitor as defined in claim 1, wherein: The driving assembly comprises a first sliding groove, the first sliding groove is formed in the test table, a screw rod is rotatably connected in the first sliding groove, a screw block is threadedly connected to the outer surface of the screw rod, the screw block is slidably connected with the first sliding groove, and the screw block is fixedly connected to the bottom end of the sliding plate.
3. A fuse detection apparatus for use in a capacitor as defined in claim 2, wherein: One side of the screw rod is fixedly connected with a driven gear, one side of the driven gear is engagedly connected with a driving gear, the driven gear and the driving gear are both rotatably connected to the test table, one side of the driving gear is fixedly connected with a hand wheel.
4. The fuse detection apparatus within a capacitor of claim 2, wherein: Second sliding grooves are formed in the test table on both sides of the first sliding groove, sliding grooves are slidably connected in the second sliding grooves, and the sliding grooves are installed at the bottom end of the sliding plate.
5. The fuse detection apparatus within a capacitor of claim 2, wherein: The guide assembly comprises a third sliding groove, the third sliding groove is formed in the test table on the side away from the first sliding groove, a sliding block is slidably connected in the third sliding groove, one side of the sliding block is fixedly connected with a mounting seat, and the milliohmmeter is fixedly connected to the mounting seat.
6. A fuse detection apparatus for use in a capacitor as defined in claim 5, wherein: A guide rod is fixedly connected in the third sliding groove, and the sliding block is slidably connected to the guide rod.
7. The fuse detection apparatus within a capacitor of claim 5, wherein: One side of the mounting seat away from the sliding block is fixedly connected with a handle.
Citation Information
Patent Citations
A check out test set for condenser internal fuse subassembly
CN206756934U