Power distribution network fault signal tracking device

Abstract

The invention particularly relates to a power distribution network fault signal tracking device which comprises a test box installed on a wire, the longitudinal section of the test box is of a semicircular structure, the test box is installed on the wire through a fixing device, a sonic probe is installed on the test box, and a current sensor is installed on the side portion of the test box. The middle part of the current sensor is of an arc-shaped structure, the two ends of the current sensor are of horizontal structures, the two ends of the current sensor penetrate through guide columns, the guide columns are fixedly connected to the top of the test box, and springs are arranged at the bottom of the current sensor and fixedly connected to the bottom of the test box.

Description

Technical Field

[0001] This invention relates to the field of power distribution networks, and more specifically to a device for tracking power distribution network fault signals. Background Technology

[0002] With the rapid development of my country's power distribution network, it is an undeniable fact that power failures are frequent due to a combination of factors such as aging lines, natural disasters, and human sabotage. Based on these facts, it is particularly important to quickly analyze the scope of the fault and provide visual support for rapid repair and power restoration. When a fault occurs in the DC distribution network, we not only need to locate the fault point, but also track the scope affected by the fault. In other words, we need to accurately locate and track the fault point in the DC distribution network in order to reduce the losses caused. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a device for tracking fault signals in power distribution networks.

[0004] The technical solution of the present invention is implemented as follows: A power distribution network fault signal tracking device includes a test box installed on a power line. The longitudinal section of the test box is a semi-circular structure. The test box is installed on the power line by a fixing device. An acoustic probe is installed on the test box. A current sensor is installed on the side of the test box. The middle part of the current sensor is an arc-shaped structure, and the two ends are horizontal structures. The two ends of the current sensor are set through guide posts. The guide posts are fixedly connected to the top of the test box. A spring is set at the bottom of the current sensor and is fixedly connected to the bottom of the test box.

[0005] The test box also has a 5G signal cable installed.

[0006] The fixing device includes two spaced-apart fixing plates with an arc-shaped structure in the middle. The horizontal parts at both ends of the fixing plates are fixedly connected to the top of the test box by bolts.

[0007] Vertical rods are fixedly connected to the four corners of the top of the test box, and solar panels are fixedly installed on the top of the vertical rods.

[0008] The acoustic probe is made of piezoelectric ceramic crystal.

[0009] The acoustic probe is mounted on the free end of the electric actuator, and the fixed end of the electric actuator is fixedly connected to the top of the test box.

[0010] The test box has a battery and an inverter installed on its side.

[0011] The technical solution of this invention has the following positive effects: This invention monitors the current in the wire using a current sensor, performs acoustic wave analysis on the wire using an acoustic wave probe, and performs fault analysis on the wire; the solar panel absorbs solar energy and stores it in a storage battery, which provides power to the electric push rod, which drives the acoustic wave probe to move; the solar panel has a herringbone structure, which can protect the test box from rain; the spring can ensure that the current sensor is in close contact with the wire, and the current sensor is used to monitor the current magnetic field signal generated by the three-phase conductors. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the present invention.

[0013] Figure 2 This is a side view of the present invention.

[0014] Figure 3 This is a side view of the present invention.

[0015] Figure 4 This is a schematic diagram showing the connection between the solar panel and the connecting column.

[0016] Reference numerals: 1. Test box; 2. Wire; 3. Acoustic probe; 4. Current sensor; 5. Guide post; 6. Spring; 7. Fixing plate; 8. Vertical rod; 9. Solar panel; 10. Electric push rod; 11. Storage battery. Detailed Implementation

[0017] like Figure 1-4 As shown, a power distribution network fault signal tracking device includes a test box 1 installed on a power line. The longitudinal section of the test box 1 is semi-circular. The test box 1 is installed on the power line 2 by a fixing device. An acoustic probe 3 is installed on the test box 1. A current sensor 4 is installed on the side of the test box 1. The middle part of the current sensor 4 is arc-shaped, and the two ends are horizontal. The two ends of the current sensor 4 are set through guide posts 5. The guide posts 5 are fixedly connected to the top of the test box 1. A spring 6 is set at the bottom of the current sensor 4 and fixedly connected to the bottom of the test box 1. Specifically, the power line 2 passes through the current sensor 4. The spring 6 can make the current sensor 4 and the power line 2 in close contact. The current sensor 4 is used to monitor the current magnetic field signal generated by the three-phase conductors.

[0018] The test box 1 is also equipped with a 5G signal cable 2; specifically, the 5G signal cable 2 is used to transmit signals.

[0019] The fixing device includes two spaced-apart fixing plates 7. The middle of the fixing plate 7 has an arc-shaped structure, and the horizontal parts at both ends of the fixing plate 7 are fixedly connected to the top of the test box 1 by bolts. Specifically, after the test box 1 is installed on the wire 2, the fixing device is used to fix the test box. Vertical rods 8 are fixedly connected to the four corners of the top of the test box 1, and solar panels 9 are fixedly installed on the top of the vertical rods 8; specifically, the solar panels 9 have a herringbone structure and can protect the test box 1 from rain.

[0020] The acoustic probe 3 is made of piezoelectric ceramic crystal; the acoustic probe 3 is installed at the free end of the electric push rod 10, and the fixed end of the electric push rod 10 is fixedly connected to the top of the test box 1; the free end of the electric push rod 10 moves, causing the acoustic probe 3 to move along the wire 2, and the acoustic signal is displayed on the spectrum display, thereby analyzing the fault of the wire 2.

[0021] A storage battery 11 is installed on the side of test box 1; the solar panel absorbs solar energy and stores it in the storage battery. The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A device for tracking fault signals in a power distribution network, characterized in that: The test box is mounted on the power line. The test box has a semi-circular cross-section. The test box is mounted on the power line by a fixing device. An acoustic probe is installed on the test box. A current sensor is installed on the side of the test box. The middle part of the current sensor has an arc-shaped structure, and the two ends have horizontal structures. The two ends of the current sensor are set through guide posts. The guide posts are fixedly connected to the top of the test box. A spring is set at the bottom of the current sensor and is fixedly connected to the bottom of the test box.

2. The power distribution network fault signal tracking device according to claim 1, characterized in that: The test box also has a 5G signal cable installed.

3. The power distribution network fault signal tracking device according to claim 2, characterized in that: The fixing device includes two spaced-apart fixing plates with an arc-shaped structure in the middle. The horizontal parts at both ends of the fixing plates are fixedly connected to the top of the test box by bolts.

4. The power distribution network fault signal tracking device according to claim 3, characterized in that: Vertical rods are fixedly connected to the four corners of the top of the test box, and solar panels are fixedly installed on the top of the vertical rods.

5. The power distribution network fault signal tracking device according to claim 3, characterized in that: The acoustic probe is made of piezoelectric ceramic crystal.

6. The power distribution network fault signal tracking device according to claim 3, characterized in that: The acoustic probe is mounted on the free end of the electric actuator, and the fixed end of the electric actuator is fixedly connected to the top of the test box.

7. The power distribution network fault signal tracking device according to claim 4, characterized in that: The test box has a battery and an inverter installed on its side.

Images