Portable superconducting frequency converter on-line tester

Abstract

The utility model discloses a portable superconducting frequency changer on -line tester relates to superconducting frequency changer on -line tester technical field, and its technical key points include protection box, the top surface rotation of protection box is connected with the top cover, installs a plurality of compression assembly on the top wall of top cover, the utility model discloses when using, realized through moving mechanism, L type board, compression assembly etc.

Description

Technical Field

[0001] This utility model relates to the technical field of online testing instruments for superconducting frequency converters, specifically a portable online testing instrument for superconducting frequency converters. Background Technology

[0002] Superconducting frequency converter testers are specialized devices used for on-site testing of the operating status of superconducting frequency converters. They can collect voltage and current signals in real time, analyze harmonic components, and locate fault points. They are widely used in operation and maintenance work in fields such as wind power and power grids, providing data support for the stable operation of superconducting frequency converters and ensuring the reliable operation of power systems. The portability of existing superconducting frequency converter testers is mainly achieved by using lightweight shell materials, integrating miniaturized testing modules, and equipping them with handheld or shoulder-carrying storage cases, making it convenient for operation and maintenance personnel to carry them to different field operations.

[0003] While existing portable superconducting frequency converter testers use practical storage boxes that can provide basic support, they often employ a single groove design. This simple limitation and fixation of the tester makes it difficult to ensure stability in both horizontal and vertical directions. Furthermore, the single groove design makes it easy for the tester to rub against the inner wall of the box when being placed or removed, resulting in gaps between the groove and the tester. During transportation, the tester may still experience slight shaking due to road conditions. Long-term use can cause hidden damage to the internal precision testing components, affecting the accuracy of subsequent measurements. Therefore, it is necessary to redesign the portable online superconducting frequency converter tester to address these issues. Utility Model Content

[0004] One technical problem to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a portable online tester for superconducting frequency converters, which solves the problems of horizontal and vertical instability and easy shaking during transportation caused by the single groove design of traditional portable devices.

[0006] Two technical solutions

[0007] To achieve the above objectives, this utility model provides the following technical solution: a portable online tester for superconducting frequency converters, comprising a protective box, a top cover rotatably connected to the top surface of the protective box, multiple clamping components installed on the top wall of the top cover, a tester body slidably connected inside the protective box via multiple positioning components, two moving blocks symmetrically slidably connected above the bottom wall of the protective box, the protective box driving the two moving blocks to slide towards each other via a moving mechanism, multiple fixing sleeves symmetrically installed on the top surface of each moving block, a sliding rod slidably connected inside each fixing sleeve, an I-beam plate being installed at the top of multiple sliding rods on the same side, two L-shaped plates symmetrically installed on the bottom surface of the tester body, each L-shaped plate being slidably connected to a corresponding moving block, a connecting rod being installed on the outer side of each sliding rod, a movable sleeve rotatably connected to the other end of each connecting rod, two Z-shaped grooves symmetrically opened on the inner walls of both sides of the protective box, and each movable sleeve being movably connected in the corresponding Z-shaped groove.

[0008] Preferably, the moving mechanism includes a double-ended screw, which is rotatably connected to the side wall of the protective box, and two moving blocks are symmetrically threaded to the outside of the double-ended screw. One end of the double-ended screw passes through the protective box and is equipped with a knob.

[0009] Preferably, each positioning component includes multiple second spring telescopic rods, which are symmetrically distributed on multiple side walls of the protective box. The other ends of the multiple second spring telescopic rods on the same side are all equipped with a U-shaped plate. A guide rail is installed on the outer side of each U-shaped plate. A positioning block is installed on each outer side of the tester body, and each positioning block is slidably connected in the corresponding guide rail.

[0010] Preferably, each of the clamping components includes a first spring telescopic rod, and each first spring telescopic rod is fixedly installed on the top wall of the top cover. A pad is installed at the bottom end of each first spring telescopic rod, and each pad abuts against the top surface of the tester body. Multiple pads are distributed at the four corners of the top surface of the tester body.

[0011] Preferably, a guide rod is installed between the two side walls of the protective box, and each moving block is slidably connected to the guide rod, and multiple rollers are installed on the top surface of each I-beam.

[0012] Preferably, a handle is installed on the top surface of the top cover, and a locking device is installed between the protective box and the top cover.

[0013] Three beneficial effects

[0014] Compared with the prior art, this utility model provides a portable online tester for superconducting frequency converters, which has the following advantages:

[0015] 1. This utility model achieves multi-dimensional stable positioning and convenient lifting of the testing instrument through a moving mechanism, an L-shaped plate, a pressing component, a positioning component, an L-shaped plate, a fixed sleeve, a sliding rod, an I-beam plate, a connecting rod, a Z-shaped groove, and a movable sleeve. The moving mechanism drives the moving block to slide, and in conjunction with the Z-shaped groove and the movable sleeve, it drives the sliding rod and the I-beam plate to rise and fall. Pulling the L-shaped plate realizes the limiting descent or lifting release of the testing instrument. The positioning component restricts horizontal swaying, and the pressing component fixes the vertical direction, avoiding transportation swaying and handling friction, and ensuring the integrity of the components and the measurement accuracy.

[0016] 2. This utility model achieves smooth and stable loading and unloading of the tester and sliding of the moving block through rollers, guide rods and other devices. The guide rods prevent the moving block from deflecting with the double-headed screw, ensuring accurate sliding trajectory. The rollers reduce friction between the I-plate and the tester and the L-shaped plate, reduce loading and unloading resistance, and improve the ease of operation and durability of the components. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the portable online tester for superconducting frequency converters proposed in this utility model;

[0018] Figure 2 This is a cross-sectional view of the protection box of the portable online tester for superconducting frequency converters proposed in this utility model;

[0019] Figure 3 A schematic diagram of the positioning component and Z-shaped groove structure of the portable superconducting frequency converter online tester proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the positioning block installation structure of the portable online tester for superconducting frequency converters proposed in this utility model;

[0021] Figure 5 This is a schematic diagram of the moving mechanism of the portable online tester for superconducting frequency converters proposed in this utility model;

[0022] Figure 6 This is a schematic diagram of the L-shaped plate and I-beam plate mounting structure of the portable superconducting frequency converter online tester proposed in this utility model.

[0023] In the diagram: 1. Protective box; 2. Top cover; 3. Locking device; 4. Handle; 5. Knob; 6. First spring telescopic rod; 7. Pad; 8. Tester body; 9. Double-ended screw; 10. Second spring telescopic rod; 11. U-shaped plate; 12. Guide rail; 13. Z-shaped slide; 14. Positioning block; 15. Guide rod; 16. Moving block; 17. Fixed sleeve; 18. Sliding rod; 19. I-beam plate; 20. Roller; 21. Connecting rod; 22. Movable sleeve; 23. L-shaped plate. Detailed Implementation

[0024] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0025] This utility model provides a technical solution for a portable online testing instrument for superconducting frequency converters:

[0026] Please see Figures 1-6 A portable online tester for superconducting frequency converters includes a protective box 1. A top cover 2 is rotatably connected to the top surface of the protective box 1. Multiple clamping components are installed on the top wall of the top cover 2. The tester body 8 is slidably connected inside the protective box 1 via multiple positioning components. Two moving blocks 16 are symmetrically slidably connected to the top wall of the protective box 1. The protective box 1 drives the two moving blocks 16 to slide towards each other via a moving mechanism. Multiple fixing sleeves 17 are symmetrically installed on the top surface of each moving block 16, and a sliding mechanism is slidably connected within each fixing sleeve 17. The top of the multiple sliding rods 18 on the same side is equipped with an I-plate 19. The bottom surface of the tester body 8 is symmetrically equipped with two L-shaped plates 23, and each L-shaped plate 23 is slidably connected to the corresponding moving block 16. Each sliding rod 18 is equipped with a connecting rod 21 on its outer side, and the other end of each connecting rod 21 is rotatably connected to a movable sleeve 22. The inner walls on both sides of the protective box 1 are symmetrically opened with two Z-shaped grooves 13, and each movable sleeve 22 is movably connected in the corresponding Z-shaped groove 13.

[0027] It should be noted that the two ends of the L-shaped plate 23 are a certain distance from the two outer sides of the tester body 8. When the moving blocks 16 move away from each other to the farthest point, the I-beam plate 19 is located at both ends of the bottom surface of the tester body 8. The tester body 8 can be supported by the I-beam plate 19. As the moving blocks 16 move closer to each other, since the movable sleeve 22 is movably connected in the Z-shaped groove 13, the moving blocks 16 first slide to the position of the L-shaped plate 23, and the L-shaped plate 23 slides into the groove of the I-beam plate 19. As the movable sleeve 22 continues to slide, the connecting rod 21 and the movable sleeve 22 cooperate to pull the sliding rod 18 down gradually, and pull the L-shaped plate 23 down through the I-beam plate 19, thereby limiting the tester body 8.

[0028] Furthermore, the moving mechanism includes a double-ended screw 9, which is rotatably connected to the side wall of the protective box 1, and two moving blocks 16 are symmetrically threaded to the outside of the double-ended screw 9. One end of the double-ended screw 9 passes through the protective box 1 and is equipped with a knob 5.

[0029] Furthermore, each positioning component includes multiple second spring telescopic rods 10, and the multiple second spring telescopic rods 10 are symmetrically distributed on multiple side walls of the protective box 1. The other ends of the multiple second spring telescopic rods 10 located on the same side are all equipped with a U-shaped plate 11. A guide rail 12 is installed on the outer side of each U-shaped plate 11. A positioning block 14 is installed on each outer side of the tester body 8, and each positioning block 14 is slidably connected in the corresponding guide rail 12.

[0030] The cooperation between the guide rail 12 and the positioning block 14 limits the horizontal sway of the tester body 8, preventing lateral collisions that could damage components during transport. The U-shaped plate 11 increases the contact area, further enhancing positioning stability.

[0031] Furthermore, each clamping assembly includes a first spring telescopic rod 6, and each first spring telescopic rod 6 is fixedly installed on the top wall of the top cover 2. Each first spring telescopic rod 6 has a pad 7 installed at its bottom end, and each pad 7 abuts against the top surface of the tester body 8. Multiple pads 7 are distributed at the four corners of the top surface of the tester body 8.

[0032] The elastic pressing method of the first spring telescopic rod 6 can avoid the squeezing damage to the top surface of the tester body 8 caused by rigid contact. The silicone pad 7 further buffers the pressure. The four-corner distribution structure makes the top surface of the tester body 8 bear force evenly, effectively limiting vertical shaking and ensuring that the internal precision components are not affected by vibration.

[0033] Furthermore, guide rods 15 are installed between the two side walls of the protective box 1, and each moving block 16 is slidably connected to the guide rods 15. The guide rods 15 prevent the moving blocks 16 from deflecting as the double-headed screw 9 rotates, ensuring a stable sliding trajectory. Multiple rollers 20 are installed on the top surface of each I-beam 19. It should be noted that the top surface of the rollers 20 protrudes from the top surface of the I-beam 19, and the bottom surface of the rollers 20 protrudes from the top wall of the groove of the I-beam 19. This ensures that when the I-beam 19 slides, the rollers 20 can reduce the friction between the I-beam 19 and the bottom surface of the tester body 8, and between the working plate 19 and the L-shaped plate 23.

[0034] Furthermore, a handle 4 is installed on the top surface of the top cover 2, and a locking device 3 is installed between the protective box 1 and the top cover 2. The locking device 3 facilitates the locking and fixing of the protective box 1 and the top cover 2. This is an existing mature technology and will not be elaborated here.

[0035] In practical use, the working principle of this utility model is as follows:

[0036] First, during the equipment storage and transportation stage, the tester body 8 achieves horizontal limitation through the positioning component. The second spring telescopic rod 10 on the side wall of the protective box 1 pushes the U-shaped plate 11 to fit against the tester body 8. The guide rail 12 on its outer side slides and engages with the positioning block 14 of the tester body 8 to limit lateral displacement.

[0037] After closing the top cover 2, the locking device 3 is fastened. The first spring telescopic rod 6 on the top wall of the top cover 2 drives the silicone pad 7 to press against the four corners of the top surface of the tester body 8 to prevent vertical shaking. Maintenance personnel can carry the equipment by the handle 4, ensuring the stability of the equipment throughout the process.

[0038] When on-site testing is required, first open the locking device 3 and the top cover 2, rotate the knob 5 on the side wall of the protective box 1 to drive the double-headed screw 9 to rotate. Since the two moving blocks 16 are symmetrically threaded to the double-headed screw 9 and slide with the guide rod 15, the moving blocks 16 slide synchronously in opposite directions along the guide rod 15.

[0039] At this time, the movable sleeve 22 on the outer side of the sliding rod 18 moves outward along the horizontal section of the Z-shaped slide groove 13, driving the connecting rod 21 to push the sliding rod 18 to slide upward along the fixed sleeve 17, thereby causing the I-beam plate 19 to lift the tester body 8.

[0040] During the process, the roller 20 protruding from the top surface of the I-beam 19 reduces friction with the bottom surface of the tester body 8 and reduces the contact resistance between the two when the L-shaped plate 23 slides into the groove of the I-beam 19.

[0041] Once the moving block 16 has slid to its furthest point, the I-beam 19 will extend out of the protective box 1, carrying part of the tester body 8. Maintenance personnel can then easily remove the tester body 8 to perform online testing of the superconducting frequency converter.

[0042] After the test is completed, rotate the knob 5 in the opposite direction, the moving block 16 slides towards each other, the movable sleeve 22 resets along the Z-shaped slide groove 13, the sliding rod 18 drives the I-beam plate 19 to pull down the L-shaped plate 23, so that the tester body 8 falls back into the protective box 1 along the guide rail 12, and the top cover 2 can be closed to complete the storage.

[0043] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.

Claims

1. A portable online tester for superconducting frequency converters, comprising a protection box (1), characterized in that, The top surface of the protective box (1) is rotatably connected to a top cover (2). Multiple clamping components are installed on the top wall of the top cover (2). The tester body (8) is slidably connected inside the protective box (1) through multiple positioning components. Two moving blocks (16) are symmetrically slidably connected above the bottom wall of the protective box (1). The protective box (1) drives the two moving blocks (16) to slide towards each other through a moving mechanism. Multiple fixing sleeves (17) are symmetrically installed on the top surface of each moving block (16). A sliding rod (18) is slidably connected inside each fixing sleeve (17). Multiple rods (18) located on the same side are slidably connected to the top surface of each moving block (16). Each of the sliding rods (18) has an I-beam plate (19) installed at its top. The bottom surface of the tester body (8) is symmetrically fitted with two L-shaped plates (23), and each L-shaped plate (23) is slidably connected to the corresponding moving block (16). Each sliding rod (18) has a connecting rod (21) installed on its outer side. The other end of each connecting rod (21) is rotatably connected to a movable sleeve (22). The inner walls of both sides of the protective box (1) are symmetrically opened with two Z-shaped grooves (13), and each movable sleeve (22) is movably connected in the corresponding Z-shaped groove (13).

2. The portable online tester for superconducting frequency converters according to claim 1, characterized in that, The moving mechanism includes a double-ended screw (9), which is rotatably connected to the side wall of the protective box (1), and two moving blocks (16) are symmetrically threaded to the outside of the double-ended screw (9). One end of the double-ended screw (9) passes through the protective box (1) and is equipped with a knob (5).

3. The portable online tester for superconducting frequency converters according to claim 2, characterized in that, Each of the positioning components includes multiple second spring telescopic rods (10), and the multiple second spring telescopic rods (10) are symmetrically distributed on multiple side walls of the protective box (1). The other ends of the multiple second spring telescopic rods (10) located on the same side are all equipped with U-shaped plates (11). Each U-shaped plate (11) is equipped with a guide rail (12) on its outer side. Each outer side of the tester body (8) is equipped with a positioning block (14), and each positioning block (14) is slidably connected in the corresponding guide rail (12).

4. The portable online tester for superconducting frequency converters according to claim 3, characterized in that, Each of the clamping components includes a first spring telescopic rod (6), and each first spring telescopic rod (6) is fixedly installed on the top wall of the top cover (2). Each first spring telescopic rod (6) has a pad (7) installed at its bottom end, and each pad (7) abuts against the top surface of the tester body (8). Multiple pads (7) are distributed at the four corners of the top surface of the tester body (8).

5. The portable online tester for superconducting frequency converters according to claim 4, characterized in that, Guide rods (15) are installed between the two side walls of the protective box (1), and each moving block (16) is slidably connected to the guide rods (15). Multiple rollers (20) are installed on the top surface of each I-beam (19).

6. The portable online tester for superconducting frequency converters according to claim 5, characterized in that, The top surface of the top cover (2) is equipped with a handle (4), and a locking device (3) is installed between the protective box (1) and the top cover (2).

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