A reactive power compensation capacitor fault detection device

Abstract

This utility model discloses a reactive power compensation capacitor fault detection device, including a fault detector. A test probe is connected to an inlet on one side of the fault detector via a wire. A positioning seat is inserted into the probe tip at one end of the test probe. A connecting seat is rotatably mounted on one end of the positioning seat via a connecting shaft. A clamping plate is elastically slidably mounted inside the connecting seat via an elastic telescopic mechanism. A wire post groove is provided on the inner wall of the clamping plate. Because the connecting seat is rotatably mounted on the probe tip via the positioning seat and connecting shaft, and the clamping plate is elastically slidably mounted inside the connecting seat via an elastic telescopic mechanism, during testing, the clamping plate at one end of the positioning seat is elastically clamped and fixed to the outside of the capacitor terminal. This facilitates fixing one end of the test probe, eliminating the need for the testing personnel to hold the test probe continuously, thus improving the convenience of testing. Furthermore, it ensures that one end of the test probe remains in contact with the capacitor terminal during testing, improving testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of capacitor fault detection technology, specifically a reactive power compensation capacitor fault detection device. Background Technology

[0002] Reactive power compensation refers to the regulation and compensation of reactive power in a power system to maintain stable operation. In AC circuits, power can be divided into active power and reactive power. Active power is used to perform work, while reactive power is used to maintain voltage stability. The presence of reactive power causes deviations between the current waveform and the voltage waveform in the system, affecting system stability. Reactive power compensation devices are used to regulate and compensate for reactive power in power systems. They can use components such as capacitors, inductors, and static power converters to regulate reactive power in the power system, thereby improving the system's power factor, power quality, and reducing reactive power losses to ensure stable system operation. Fault detection devices are needed to detect capacitor damage.

[0003] The prior art, application number 202410232348.7, describes a power distribution network reactive power compensation capacitor status detection device. This device includes a circuit board with a capacitor mounted on it. A switching mechanism connects the capacitor to the circuit board, and a clamping and positioning mechanism circumferentially positions and clamps the capacitor. A drive and surrounding components, along with an electric detection mechanism, perform morphological and temperature detection on the capacitor, quickly determining if it is faulty. This allows for timely repair and replacement of the capacitor, preventing capacitor damage from causing the reactive power compensation equipment to fail in regulating the power system. However, this device is inconvenient to fix one end of the test probe to the outside of the capacitor terminal, has low stability, and requires the operator to hold the test probe continuously. Utility Model Content

[0004] The purpose of this invention is to provide a reactive power compensation capacitor fault detection device to solve the problems in the prior art, such as the inconvenience of fixing one end of the test probe to the outside of the capacitor terminal, the low stability of the fixing structure, and the requirement for the tester to hold the test probe at all times.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a reactive power compensation capacitor fault detection device, comprising a fault detector, wherein a test probe is connected to an inlet on one side of the fault detector via a wire, a positioning seat is inserted into the outside of the probe tip at one end of the test probe, a connecting seat is rotatably provided at one end of the positioning seat via a connecting shaft, a clamping plate is elastically slidably provided inside the connecting seat via an elastic telescopic mechanism, a wire post groove is provided on the inner wall of the clamping plate, and a insertion groove and a third locking bolt are provided at one end of the positioning seat.

[0006] Furthermore, the elastic telescopic mechanism includes a guide slider that is slidably disposed in a limiting groove inside one end of the connecting seat via a guide rod and a spring.

[0007] Furthermore, the guide rod, guide slider, and spring are symmetrically arranged in two sets about the limiting groove, and the limiting groove is also provided with a limiting rod that slides with the guide slider.

[0008] Furthermore, the probe of the test instrument has a detachable height support frame on the outside of the probe barrel. The height support frame includes a lower support and a lifting support is provided inside the lower support via a screw thread. An adjustment knob is provided at the lower end of the screw. One end of the lifting support slides through the top wall of the lower support and is provided with an upper support. Two horizontal sliding sliders are provided inside the upper support via a lead screw thread, and a probe barrel mounting seat is provided on the upper side of each of the two horizontal sliding sliders.

[0009] Furthermore, the probe holder is slidably sleeved on the outside of the probe barrel at one end of the test probe, and the probe holder is threaded with a first locking bolt.

[0010] Furthermore, one end of the lead screw is provided with an adjustment handle and a second locking bolt, and the bottom of the lower bracket is provided with a positioning suction cup.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, the probe tip of the tester is provided with a connecting seat that rotates around the positioning seat and connecting shaft. Inside the connecting seat, a clamping plate is provided with elastic sliding through an elastic telescopic mechanism. During testing, the clamping plate at one end of the positioning seat is elastically clamped and fixed to the outside of the capacitor terminal, which facilitates the fixing of one end of the tester. The tester does not need to hold the tester continuously, which improves the convenience of testing. Moreover, it can keep one end of the tester in contact with the capacitor terminal during testing, which can improve testing efficiency.

[0013] 2. In this utility model, the probe of the test instrument is provided with a detachable height support frame on its exterior. The height support frame includes a lower bracket, a lifting bracket, and an upper bracket. The upper bracket has two horizontal sliding blocks with opposing threads on the upper side of the screw rods. Each of the two horizontal sliding blocks has a probe rod mounting seat on its upper side. This allows the lower bracket of the height support frame to be fixed to the test table using a positioning suction cup. Then, the probe ends of the two test instruments are clamped and fixed in the two probe rod mounting seats respectively, achieving longitudinal support and positioning of the probe ends, which facilitates the improvement of the stability of the contact between the probe ends and the capacitor terminals.

[0014] 3. In addition, the lower bracket of this utility model is provided with a lifting bracket inside by a screw thread. The lower end of the screw is provided with an adjustment knob. One end of the lifting bracket slides through the top wall of the lower bracket, so that the lifting bracket and the upper bracket can be raised and lowered by rotating the screw, thereby adjusting the usage height of the pointer rod mounting base. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a first-view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0018] Figure 3 This is an enlarged schematic diagram of the structure at point A of this utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the connector of this utility model.

[0020] In the diagram: 1. Fault detector; 2. Inlet; 3. Cable; 4. Test probes; 5. Connecting shaft; 6. Positioning seat; 7. Clamping plate; 8. Cable post slot; 9. Connecting seat; 10. Lower bracket; 11. Limiting rod; 12. Screw; 13. Lifting bracket; 14. Positioning suction cup; 15. Upper bracket; 16. Lead screw; 17. Horizontal sliding block; 18. Test probe rod mounting seat; 19. First locking bolt; 20. Third locking bolt; 21. Limiting groove; 22. Guide rod; 23. Guide slider; 24. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4In this embodiment of the utility model, a reactive power compensation capacitor fault detection device includes a fault detector 1. The fault detector 1 can use a multimeter to detect the reactive power compensation capacitor. The input port 2 on one side of the fault detector 1 is connected to black and red test probes 4 via a wire 3. A positioning seat 6 is inserted into the outside of the probe tip at one end of the test probe 4. A connecting seat 9 is rotatably provided at one end of the positioning seat 6 via a connecting shaft 5. A clamping plate 7 is elastically slidably provided inside the connecting seat 9 via an elastic telescopic mechanism. The inner wall of the clamping plate 7 is provided with a post slot 8. The positioning seat 6, connecting shaft 5, connecting seat 9 and clamping plate 7 are all conductive metals. During testing, the clamping plate 7 at one end of the positioning seat 6 is elastically clamped and fixed to the outside of the capacitor terminal, which facilitates the fixing of one end of the test probe. The tester does not need to hold the test probe all the time, which improves the convenience of testing and ensures that one end of the test probe is always in contact with the capacitor terminal during testing, which improves the testing efficiency. One end of the positioning seat 6 is provided with a plug slot and a third locking bolt 20, which facilitates the disassembly and positioning of the positioning seat 6.

[0023] like Figure 1 and Figure 4 As shown, in order to improve the stability of the clamping plate 7 clamping and fixing to the outside of the capacitor terminal, the elastic telescopic mechanism also includes a guide slider 23 that is slidably disposed in a limiting groove 21 inside one end of the connecting seat 9 via a guide rod 22 and a spring 24. This facilitates the elastic sliding of the clamping plate 7 within the connecting seat 9, thereby improving the stability of the clamping plate 7 clamping and fixing to the outside of the capacitor terminal. The guide rod 22, the guide slider 23, and the spring 24 are symmetrically arranged in two sets about the limiting groove 21. The limiting groove 21 is also provided with a limiting rod 11 that is slidably disposed with the guide slider 23, which facilitates the sliding guidance of the clamping plate 7 when it moves.

[0024] like Figure 1 and Figure 3As shown, in order to achieve longitudinal support and positioning of the probe barrel at one end of the test lead 4, a detachable height support frame is also provided on the outside of the probe barrel at one end of the test lead 4. The height support frame includes a lower bracket 10, and a lifting bracket 13 is threaded inside the lower bracket 10 via a screw 12. An adjustment knob is provided at the lower end of the screw 12. One end of the lifting bracket 13 slides through the top wall of the lower bracket 10 and is provided with an upper bracket 15, so that the lifting bracket 13 and the upper bracket 15 can be adjusted by rotating the screw 12, thereby adjusting the working height of the test lead barrel mounting base 18. Two transverse sliding blocks 17 are threaded in opposite directions via a lead screw 16 inside the upper bracket 15, and... Both horizontal sliding blocks 17 are provided with probe rod mounting seats 18 on their upper sides, so that the distance between the two horizontal sliding blocks 17 and the two probe rod mounting seats 18 can be adjusted by rotating the adjusting screw 16. One end of the screw 16 is provided with an adjusting handle and a second locking bolt. The bottom of the lower bracket 10 is provided with a positioning suction cup 14, so that the lower bracket 10 of the height support frame can be fixed to the test table by the positioning suction cup 14. Then, one end of the probe rod of each of the two test probes is clamped and fixed in the two probe rod mounting seats 18 respectively, so as to achieve longitudinal support and positioning of the probe rod, which facilitates the improvement of the stability of the contact between the probe rod and the capacitor terminal.

[0025] like Figure 2 and Figure 3 As shown, the probe holder 18 is slidably sleeved on the outside of the probe 4 at one end, and the probe holder 18 is threaded with a first locking bolt 19, which makes it easy to install the probe holder 18 on the outside of the probe 4 at one end.

[0026] The working principle and usage process of this utility model are as follows: During use, the probe tip of the test probe 4 is rotatably connected to a connecting seat 9 via a positioning seat 6 and a connecting shaft 5. Inside the connecting seat 9, a clamping plate 7 is elastically slidably provided via an elastic telescopic mechanism. During testing, the clamping plate 7 at one end of the positioning seat 6 is elastically clamped and fixed to the outside of the capacitor terminal, which facilitates the fixing of one end of the test probe. This eliminates the need for the testing personnel to hold the test probe continuously, improving the convenience of testing. Furthermore, it ensures that one end of the test probe is always in contact with the capacitor terminal during testing, thereby improving testing efficiency.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for detecting a fault of a reactive compensation capacitor, comprising a fault detector (1), characterized in that: The fault detector (1) has an inlet (2) on one side connected to a test probe (4) via a wire (3). A positioning seat (6) is inserted into the outside of the probe tip at one end of the test probe (4). A connecting seat (9) is rotatably provided at one end of the positioning seat (6) via a connecting shaft (5). A clamping plate (7) is elastically slidably provided inside the connecting seat (9) via an elastic telescopic mechanism. A wire post groove (8) is provided on the inner wall of the clamping plate (7).

2. A device for detecting a fault in a reactive compensation capacitor according to claim 1, characterized in that: The elastic telescopic mechanism includes a guide slider (23) that is slidably disposed in a limiting groove (21) inside one end of the connecting seat (9) via a guide rod (22) and a spring (24).

3. A device for detecting a fault in a reactive compensation capacitor according to claim 2, characterized in that: The guide rod (22), guide slider (23) and spring (24) are symmetrically arranged in two sets about the limiting groove (21), and the limiting groove (21) is also provided with a limiting rod (11) that slides with the guide slider (23).

4. A device for detecting a fault in a reactive compensation capacitor as defined in claim 1, characterized in that: The probe (4) has a detachable height support frame on the outside of the barrel. The height support frame includes a lower support (10). The lower support (10) has a lifting support (13) threaded through a screw (12) inside. One end of the lifting support (13) slides through the top wall of the lower support (10) and has an upper support (15). The upper support (15) has two horizontal sliding blocks (17) threaded through a lead screw (16) in opposite directions. Both horizontal sliding blocks (17) have a probe barrel mounting seat (18) on their upper sides.

5. A device for detecting a fault in a reactive compensation capacitor as defined in claim 4, characterized in that: The probe holder (18) is slidably sleeved on the outside of the probe (4) at one end, and the probe holder (18) is threaded with a first locking bolt (19).

6. A device for detecting a fault in a reactive compensation capacitor as defined in claim 4, characterized in that: One end of the lead screw (16) is provided with an adjustment handle and a second locking bolt, and the bottom of the lower bracket (10) is provided with a positioning suction cup (14).

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