Rapid positioning and troubleshooting equipment for power cable fault

Abstract

The invention relates to the technical field of troubleshooting, in particular to power cable fault rapid positioning and troubleshooting equipment, which comprises a detector host and a troubleshooting device, the detector host is a host and is used for receiving a detection signal sent by the troubleshooting device, the troubleshooting device can be remotely controlled through the detector host, a high-frequency pulse detector is arranged in the troubleshooting device, and the high-frequency pulse detector is used for receiving the detection signal sent by the troubleshooting device. The detector host is used for remotely controlling the position of the troubleshooting device to enable the troubleshooting device to move along the outer side of the cable main body, the troubleshooting device is arranged in the detector host and used for searching for damage points of the cable main body, the moving mechanism is arranged in the troubleshooting device and comprises a crawler belt, and the crawler belt is controlled to rotate to drive the troubleshooting device to move along the outer side of the cable main body. And dead pixels on the cable main body are continuously detected, so that rapid and accurate positioning of power cable faults is realized, manual inspection is not needed, the inspection efficiency is greatly improved, the labor intensity is reduced, and the working environment is safer.

Description

Technical Field

[0001] The invention relates to the technical field of fault troubleshooting, and in particular to a device for quickly locating and troubleshooting power cable faults. Background Art

[0002] In the power system, power cables are important carriers of electric energy transmission, and their stable operation is crucial to ensuring the safe and reliable power supply of the power system. However, due to the complex and changeable operating environment of cables, cable failures occur from time to time, which not only affects the normal operation of the power system, but also may cause serious economic losses and safety hazards. Therefore, how to quickly and accurately locate and troubleshoot cable faults has become an important task in the maintenance and management of the power system.

[0003] At present, the location and troubleshooting of power cable faults are mainly carried out by combining manual inspections with traditional detection instruments. A special fault locator is used to measure the electrical parameters of the cable. The approximate location of the fault point is determined by comparing the measurement results of the normal line and the faulty line. Then, the line is manually inspected to determine the fault location. However, manual inspection is labor-intensive and the inspection efficiency is low, which makes it difficult to meet the needs of rapid location and troubleshooting. Summary of the invention

[0004] The purpose of the present invention is to provide a device for quickly locating and troubleshooting power cable faults to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A device for quickly locating and troubleshooting power cable faults, comprising The detector host and the troubleshooter, wherein the detector host is a host, and is used to receive the detection signal sent by the troubleshooter. The troubleshooter can be remotely controlled through the detector host. The troubleshooter has a built-in high-frequency pulse detector, and is used to find the damaged point of the cable body; A moving mechanism is arranged inside the troubleshooter, and the moving mechanism includes a crawler. By controlling the crawler to rotate, the troubleshooter can be driven to move along the outer side of the cable body. Linking belts are respectively arranged on both sides of the inner cavity of the crawler, and a chain is arranged on the inner wall of the linking belt. First gears are respectively meshed at both ends of the inner wall of the chain, and the first gears are driven by a stepping motor. A clamping mechanism is arranged inside the troubleshooter and below the moving mechanism. The clamping mechanism includes two clamping plates, through which the cable body can be clamped. A second gear is arranged below the clamping plates. A first rack and a second rack are arranged on both sides of the second gear, respectively. The second gear is driven by a servo motor. The control board is arranged inside the troubleshooter. The control board is the core control unit of the troubleshooter. A wireless transmission module is arranged on the control board. The module is responsible for the wireless transmission function of data. The wireless transmission module is connected to the detector host through a WIFI signal.

[0006] The dustproof device is arranged at one end of the troubleshooter, and the dustproof device comprises a fixed sleeve, the inner wall of the fixed sleeve is provided with a cleaning plate, the top of the fixed sleeve is provided with a mounting seat, and the interior of the mounting seat is provided with an inflation device.

[0007] Preferably, an expansion groove is provided on the inner wall of the fixing sleeve, an inflation ring is provided in the inner cavity of the expansion groove, an inflation hole is provided on the top of the mounting seat, the air intake end of the inflation device inhales external air through the inflation hole, and the air delivery end of the inflation device is connected to the inner cavity of the inflation ring.

[0008] Preferably, a connecting roller is fixedly connected to one side of the first gear, and a brake block is provided on the inner wall of the track between the two connecting rollers.

[0009] Preferably, a connecting plate is provided at one end of the second rack, the top of the connecting plate is fixedly connected to the clamping plate, and corresponding surfaces of the first rack and the second rack are respectively provided with gear grooves adapted to the second gear.

[0010] Preferably, a number of torsion springs are provided on the inner wall of the fixing sleeve at one side of the expansion slot, and one end of the torsion spring is fixedly connected to one side of the cleaning plate.

[0011] Preferably, the number of the brake blocks is two, and a bidirectional cylinder is arranged between the two brake blocks, and the two brake blocks can be driven to move up and down by the bidirectional cylinder, and the contact surface between the brake block and the connecting roller is set to a curved surface adapted to the outer side of the connecting roller.

[0012] Preferably, mutually matching electromagnets are provided on corresponding sides of the bottoms of the two clamping plates, and the electromagnets attract each other when energized.

[0013] Preferably, a temperature sensor and a humidity sensor are provided inside the troubleshooter, wherein the temperature sensor is used to detect the ambient temperature of the cable body, and the humidity sensor is used to detect the ambient humidity of the cable body, and both the temperature sensor and the humidity sensor are connected to the control board.

[0014] Preferably, the control panel is also connected to a stepper motor, a servo motor, and a bidirectional cylinder. By controlling and starting the stepper motor, the troubleshooter can be driven to move on the outside of the cable body. By controlling the servo motor, the troubleshooter can clamp or release the cable body. By controlling the bidirectional cylinder, the troubleshooter can be emergency braked during movement.

[0015] Preferably, a top seat is provided on the top of the troubleshooter, a battery is provided inside the top seat for powering the electronic components inside the troubleshooter, a photovoltaic panel is provided on the top of the top seat for absorbing solar energy and converting it into electrical energy and storing it in the battery, a base is provided at the bottom of the troubleshooter, and the servo motor is provided inside the base.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the troubleshooter is controlled to move along the cable body, the bad points on the cable body are detected by the troubleshooter, and the detection results are transmitted to the detector host by wireless. The position of the troubleshooter can be remotely controlled by the detector host to move along the outside of the cable, and the bad points on the cable body are continuously detected, so that the power cable fault is quickly and accurately located without manual inspection, which greatly improves the inspection efficiency, reduces the labor intensity, and makes the working environment safer; 2. In the present invention, the servo motor controls the clamping plate to clamp or loosen the cable, which simplifies the installation and removal process of the troubleshooter and the cable, and makes it adaptable to cables of different thicknesses, thereby improving the versatility and adaptability of the troubleshooter, so that the troubleshooter can be widely used in fault detection of various power cables; In the present invention, a dustproof device is provided at one end of the troubleshooter, and the inflatable ring is inflated by the inflating device to expand it, so that the two cleaning plates are pushed forward, so that the cleaning plates are in contact with the outer side of the cable body. During the movement of the troubleshooter, the pollutants on the outer side of the cable body are cleaned, so as to avoid the inside of the troubleshooter being contaminated and affecting the accuracy of detection, and at the same time extend the service life of the troubleshooter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the troubleshooter in the present invention; Figure 3 For the present invention Figure 2 The overall structure explosion diagram of the middle troubleshooter; Figure 4 For the present invention Figure 3 Enlarged schematic diagram of area A in the middle; Figure 5 For the present invention Figure 4 Schematic diagram of the overall structure of the mobile mechanism; Figure 6 For the present invention Figure 5 Schematic diagram of the overall structure of the middle brake block; Figure 7 For the present invention Figure 4 Schematic diagram of the overall structure of the clamping mechanism; Figure 8 For the present invention Figure 2 Schematic diagram of the overall structure of the dust prevention device; Fig. 9 For the present invention Figure 8 Enlarged schematic diagram of area B in the middle; In the figure: 1. detector host; 2. troubleshooter; 21. top seat; 211. photovoltaic panel; 22. base; 221. servo motor; 23. moving mechanism; 231. crawler; 232. linkage belt; 233. chain; 234. first gear; 235. connecting roller; 236. brake block; 237. two-way cylinder; 24. clamping mechanism; 241. clamping plate; 242. second gear; 243. first rack; 244. second rack; 245. connecting plate; 246. electromagnet; 25. stepping motor; 26. control board; 27. temperature sensor; 28. humidity sensor; 3. cable body; 4. dustproof device; 41. fixing sleeve; 411. expansion slot; 412. torsion spring; 42. mounting seat; 421. inflation hole; 43. inflation device; 44. cleaning plate; 45. inflation ring. DETAILED DESCRIPTION

[0018] The specific implementation modes of the present invention are described in detail below with reference to the accompanying drawings.

[0019] See also Figure 1-9 , the present invention provides a technical solution: A device for quickly locating and troubleshooting power cable faults, comprising The detector host 1 and the troubleshooter 2, the detector host 1 is a host, used to receive the detection signal sent by the troubleshooter 2, the troubleshooter 2 can be remotely controlled by the detector host 1, and the troubleshooter 2 is built with a high-frequency pulse detector for finding the damaged point of the cable body 3; The moving mechanism 23 is arranged inside the troubleshooter 2. The moving mechanism 23 includes a crawler 231. By controlling the crawler 231 to rotate, the troubleshooter 2 can be driven to move along the outer side of the cable body 3. Linking belts 232 are respectively arranged on both sides of the inner cavity of the crawler 231. A chain 233 is arranged on the inner wall of the linking belt 232. The two ends of the inner wall of the chain 233 are respectively meshed with first gears 234. The first gear 234 is driven by a stepping motor 25. The clamping mechanism 24 is arranged inside the troubleshooter 2 and below the moving mechanism 23. The clamping mechanism 24 includes two clamping plates 241, through which the cable body 3 can be clamped. A second gear 242 is arranged below the clamping plates 241. A first rack 243 and a second rack 244 are arranged on both sides of the second gear 242. The second gear 242 is driven by a servo motor 221. The control board 26 is arranged inside the troubleshooter 2. The control board 26 is the core control unit of the troubleshooter 2. A wireless transmission module is arranged on the control board 26. The module is responsible for the wireless transmission function of data. The wireless transmission module is connected to the detector host 1 through a WIFI signal.

[0020] The dustproof device 4 is arranged at one end of the troubleshooter 2, and includes a fixing sleeve 41, an inner wall of which is provided with a cleaning plate 44, a mounting seat 42 is arranged on the top of the fixing sleeve 41, and an inflation device 43 is arranged inside the mounting seat 42.

[0021] In this embodiment, please refer to Figure 8-9 An expansion groove 411 is provided on the inner wall of the fixing sleeve 41, and an inflation ring 45 is provided in the inner cavity of the expansion groove 411. An inflation hole 421 is provided on the top of the mounting seat 42, and the air intake end of the inflation device 43 inhales external air through the inflation hole 421, and the air delivery end of the inflation device 43 is connected with the inner cavity of the inflation ring 45. In this embodiment, the external air is absorbed by the inflation device 43 and injected into the inflation ring 45, so that the volume of the inflation ring 45 expands, and then the two cleaning plates 44 can be lifted up, so that the two cleaning plates 44 are in contact with the outer side of the detector host 1, so that when the detector 2 moves, the cleaning plates 44 can prevent pollutants from entering the interior of the detector 2.

[0022] In this embodiment, please refer to Figure 5 A connecting roller 235 is fixedly connected to one side of the first gear 234, and a brake block 236 is provided on the inner wall of the crawler 231 between the two connecting rollers 235. In this embodiment, a first gear 234 is driven to rotate by a stepper motor 25, and the chain 233 is driven to rotate by the rotation of the first gear 234, and the first gear 234 at the other end of its inner wall is driven to rotate by the rotation of the chain 233. Since the connecting roller 235 is connected to the first gear 234, the connecting roller 235 is rotated, and the connecting roller 235 rotates to drive the linkage belt 232 on the other side of the inner wall of the crawler 231 to rotate. The two linkage belts 232 rotate, so that the crawler 231 is more stable when rotating.

[0023] In this embodiment, please refer to Figure 7 A connecting plate 245 is provided at one end of the second rack 244, and the top of the connecting plate 245 is fixedly connected to the clamping plate 241. The corresponding surfaces of the first rack 243 and the second rack 244 are respectively provided with gear grooves adapted to the second gear 242. In this embodiment, by controlling the rotation of the second gear 242, the first rack 243 and the second rack 244 can be driven to produce relative movement. By controlling the rotation direction of the second gear 242, the second rack 244 and the first rack 243 can be made to move toward or away from each other, so that the connecting plate 245 drives the clamping plate 241 to clamp or loosen the cable body 3.

[0024] In this embodiment, please refer to Figure 8 The inner wall of the fixed sleeve 41 is located on one side of the expansion groove 411 and is provided with a number of torsion springs 412. One end of the torsion spring 412 is fixedly connected to one side of the cleaning plate 44. In this embodiment, when the two cleaning plates 44 are close to each other, the torsion spring 412 is stretched and deformed. After the detection is completed, the gas in the inflation ring 45 is released through the inflation device 43, and the cleaning plate 44 is no longer squeezed, so that the cleaning plate 44 returns to its original position under the tension of the torsion spring 412.

[0025] In this embodiment, please refer to Figure 6 , the number of brake blocks 236 is two, and a two-way cylinder 237 is arranged between the two brake blocks 236, and the two-way cylinder 237 can drive the two brake blocks 236 to move up and down, and the contact surface between the brake block 236 and the connecting roller 235 is set to a curved surface adapted to the outer side of the connecting roller 235. In this embodiment, when the troubleshooter 2 moves along the cable body 3, if it is necessary to brake the troubleshooter 2 urgently, such as encountering a cable body 3 with a large downward tilt angle, the two brake blocks 236 are controlled by the two-way cylinder 237 to move closer to each other, so that the two ends of the brake blocks 236 contact the outer side of the connecting roller 235, thereby braking the connecting roller 235, causing the connecting roller 235 to gradually stop rotating, thereby stopping the rotation of the crawler 231, and realizing emergency braking of the troubleshooter 2.

[0026] In this embodiment, please refer to Figure 7 , the two clamping plates 241 are provided with mutually adapted electromagnets 246 on the corresponding sides of the bottom. When the electromagnets 246 are energized, they attract each other. In this embodiment, after the cable body 3 is clamped by the clamping plates 241, the electromagnets 246 are energized to make the two clamping plates 241 attract each other, and the position is more stable, avoiding loose clamping and affecting the moving efficiency of the troubleshooter 2.

[0027] In this embodiment, please refer to Figure 4 A temperature sensor 27 and a humidity sensor 28 are provided inside the troubleshooter 2, wherein the temperature sensor 27 is used to detect the ambient temperature of the cable body 3, and the humidity sensor 28 is used to detect the ambient humidity of the cable body 3. Both the temperature sensor 27 and the humidity sensor 28 are connected to the control board 26. In this embodiment, the real-time environmental parameters of the cable body 3 are obtained through the temperature sensor 27 and the humidity sensor 28, and these parameters are transmitted to the detector host 1 through the wireless transmission module. Combined with the data of the high-frequency pulse detector, a more comprehensive judgment is made on the fault of the cable body 3, thereby improving the comprehensiveness and accuracy of fault detection.

[0028] In this embodiment, please refer to Figure 3 , Figure 4 , Figure 6The control board 26 is also connected to the stepper motor 25, the servo motor 221, and the two-way cylinder 237. By controlling the starting stepper motor 25, the troubleshooter 2 can be driven to move on the outside of the cable body 3. By controlling the servo motor 221, the troubleshooter 2 can clamp or loosen the cable body 3. By controlling the two-way cylinder 237, the troubleshooter 2 can be emergency braked during the movement. In this embodiment, through the control board and wireless transmission function, the maintenance personnel can remotely control the troubleshooter 2 through the detector host 1 to perform detection, the detection efficiency is higher, the labor intensity is reduced, and the working environment is safer.

[0029] In this embodiment, please refer to Figure 3 A top seat 21 is provided on the top of the troubleshooter 2, and a battery is provided inside the top seat 21 for powering the electronic components inside the troubleshooter 2. A photovoltaic panel 211 is provided on the top of the top seat 21, and the photovoltaic panel 211 is used to absorb solar energy and convert it into electrical energy and store it in the battery. A base 22 is provided at the bottom of the troubleshooter 2, and a servo motor 221 is provided inside the base 22. In this embodiment, since some cables are arranged outdoors, solar panels are added to absorb solar energy and power the battery, which can reduce the frequency of battery replacement.

[0030] Working principle of the present invention: Step 1: By sleeve-fitting the troubleshooter 2 onto the cable body 3, and providing power through the servo motor 221 to drive the second gear 242 to rotate, since the outer edges of the second gear 242 are respectively meshed with the corresponding surfaces of the first rack 243 and the second rack 244, when the second gear 242 rotates, it drives the first rack 243 and the second rack 244 to produce relative motion, and by controlling the rotation direction of the second gear 242, the first rack 243 and the second rack 244 produce relative motion, so that the distance between the two connecting plates 245 is gradually reduced, thereby driving the two clamping plates 241 to move closer to each other. Thus, the two sides of the cable body 3 are clamped by the clamping plate 241, and then the stepping motor 25 is used to give power to control the rotation of the first gear 234, and the chain 233 and another first gear 234 are driven to rotate by the rotation of the first gear 234. When the chain 233 rotates, the crawler 231 is driven to rotate through the linkage belt 232. Since the crawler 231 is in contact with the top of the cable body 3, when the crawler 231 rotates, under the action of friction, the troubleshooter 2 is driven to move along the outer edge of the cable body 3. While the cable body 3 moves, the cable is detected by the high-frequency pulse detector; Step 2: The air suction end of the inflation device 43 absorbs external air through the inflation hole 421, and inputs the gas into the inner cavity of the inflation ring 45 through the gas delivery end of the inflation device 43. When the gas is continuously injected into the inner cavity of the inflation ring 45, the volume of the inflation ring 45 expands in 441, thereby lifting the cleaning plate 44, so that the distance between the two cleaning plates 44 gradually approaches until the two cleaning plates 44 contact the outside of the cable body 3. Since the cleaning plates 44 are made of elastic material and have a cleaning function, when the troubleshooter 2 moves, it drives the dustproof device 4 to move, so that the outside of the cable body 3 is first cleaned by the cleaning plates 44 to prevent pollutants on the outside of the cable body 3 from entering the inner cavity of the troubleshooter 2.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. The present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for quickly locating and troubleshooting power cable faults, characterized in that: include A detector host (1) and a troubleshooter (2), wherein the detector host (1) is a host for receiving a detection signal sent by the troubleshooter (2), and the troubleshooter (2) can be remotely controlled via the detector host (1), and the troubleshooter (2) has a built-in high-frequency pulse detector for finding damaged points of the cable body (3); A moving mechanism (23) is arranged inside the troubleshooter (2), the moving mechanism (23) comprising a crawler (231), and the crawler (231) can be controlled to rotate to drive the troubleshooter (2) to move along the outer side of the cable body (3), linkage belts (232) are respectively arranged on both sides of the inner cavity of the crawler (231), a chain (233) is arranged on the inner wall of the linkage belt (232), and first gears (234) are respectively meshed at both ends of the inner wall of the chain (233), and the first gear (234) is driven by a stepping motor (25); A clamping mechanism (24) is arranged inside the troubleshooter (2) and below the moving mechanism (23). The clamping mechanism (24) includes two clamping plates (241). The cable body (3) can be clamped by the two clamping plates (241). A second gear (242) is arranged below the clamping plates (241). A first rack (243) and a second rack (244) are respectively arranged on both sides of the second gear (242). The second gear (242) is driven by a servo motor (221). A control panel (26) is arranged inside the troubleshooter (2). The control panel (26) is a core control unit of the troubleshooter (2). A wireless transmission module is arranged on the control panel (26). The module is responsible for the wireless transmission function of data. The wireless transmission module is connected to the detector host (1) via a WIFI signal. A dust prevention device (4) is arranged at one end of the troubleshooter (2), the dust prevention device (4) comprising a fixing sleeve (41), the inner wall of the fixing sleeve (41) being provided with a cleaning plate (44), the top of the fixing sleeve (41) being provided with a mounting seat (42), and the interior of the mounting seat (42) being provided with an inflation device (43).

2. The power cable fault rapid location and troubleshooting device according to claim 1 is characterized by: An expansion groove (411) is provided on the inner wall of the fixing sleeve (41), an inner cavity of the expansion groove (411) is provided with an inflation ring (45), an inflation hole (421) is provided on the top of the mounting seat (42), an air intake end of the inflation device (43) inhales external air through the inflation hole (421), and an air delivery end of the inflation device (43) is in communication with the inner cavity of the inflation ring (45).

3. The power cable fault rapid location and troubleshooting device according to claim 1 is characterized by: A connecting roller (235) is fixedly connected to one side of the first gear (234), and a brake block (236) is provided on the inner wall of the crawler (231) between the two connecting rollers (235).

4. The power cable fault rapid location and troubleshooting device according to claim 1, characterized in that: A connecting plate (245) is provided at one end of the second rack (244), the top of the connecting plate (245) is fixedly connected to the clamping plate (241), and corresponding surfaces of the first rack (243) and the second rack (244) are respectively provided with gear grooves adapted to the second gear (242).

5. The power cable fault rapid location and troubleshooting device according to claim 4, characterized in that: A plurality of torsion springs (412) are provided on the inner wall of the fixing sleeve (41) at one side of the expansion groove (411), and one end of the torsion spring (412) is fixedly connected to one side of the cleaning plate (44).

6. The power cable fault rapid location and troubleshooting device according to claim 3 is characterized by: The number of the brake blocks (236) is two, and a bidirectional cylinder (237) is provided between the two brake blocks (236). The bidirectional cylinder (237) can drive the two brake blocks (236) to move up and down, and the contact surface between the brake block (236) and the connecting roller (235) is arranged as a curved surface that matches the outer side of the connecting roller (235).

7. The power cable fault rapid location and troubleshooting device according to claim 4, characterized in that: Electromagnets (246) adapted to each other are provided on corresponding sides of the bottoms of the two clamping plates (241), and the electromagnets (246) attract each other when electricity is supplied.

8. The power cable fault rapid location and troubleshooting device according to claim 1, characterized in that: A temperature sensor (27) and a humidity sensor (28) are provided inside the troubleshooter (2), wherein the temperature sensor (27) is used to detect the ambient temperature of the cable body (3), and the humidity sensor (28) is used to detect the ambient humidity of the cable body (3), and both the temperature sensor (27) and the humidity sensor (28) are connected to the control board (26).

9. The power cable fault rapid location and troubleshooting device according to claim 4, characterized in that: The control board (26) is also connected to the stepper motor (25), the servo motor (221), and the bidirectional cylinder (237). By controlling and starting the stepper motor (25), the troubleshooter (2) can be driven to move outside the cable body (3). By controlling the servo motor (221), the troubleshooter (2) can be clamped or loosened on the cable body (3). By controlling the bidirectional cylinder (237), the troubleshooter (2) can be braked urgently during the movement.

10. The power cable fault rapid location and troubleshooting device according to claim 4, characterized in that: A top seat (21) is arranged on the top of the troubleshooter (2), a storage battery is arranged inside the top seat (21) for supplying power to the electronic components inside the troubleshooter (2), a photovoltaic panel (211) is arranged on the top of the top seat (21), the photovoltaic panel (211) is used to absorb solar energy and convert it into electrical energy and store it in the storage battery, a base (22) is arranged on the bottom of the troubleshooter (2), and the servo motor (221) is arranged inside the base (22).

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