High-voltage cable insulation fault monitoring and early warning device
By improving the structural design of the high-voltage cable insulation fault monitoring and early warning device, and adopting a hinged connection and transparent cover design, the problem of inconvenient disassembly and assembly of the device was solved, achieving convenient maintenance and protection, and maintaining the dry environment of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-03-06
AI Technical Summary
The existing high-voltage cable insulation fault monitoring and early warning device is fixed to the front cover by a large number of bolts after installation, which makes the inspection and maintenance process cumbersome, time-consuming and labor-intensive, and difficult to disassemble and install conveniently.
The design incorporates a cabinet, lid, connecting feet, mounting bracket, mounting plate, locking rod, and sealing gasket. The lid is opened and closed easily via a hinged connection, and the display screen is protected by a transparent cover. Dehumidification is achieved through activated carbon particles and ventilation holes.
It enables convenient disassembly and maintenance of the fault monitoring and early warning device, prevents damage to the display screen, keeps the inside of the device dry, and improves maintenance efficiency and equipment life.
Smart Images

Figure CN223977308U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable fault monitoring technology, specifically a high-voltage cable insulation fault monitoring and early warning device. Background Technology
[0002] Cable fault monitoring refers to the real-time or periodic inspection of the operating status of cables through various technical means to detect potential faults or abnormalities. In the operation and use of high-voltage cables in some equipment, in order to ensure the safety and stability of power transmission and prevent power accidents caused by leakage due to damage to the insulation layer of high-voltage cables, it is necessary to use some high-voltage cable insulation fault monitoring and early warning devices to monitor the insulation status of high-voltage cables.
[0003] However, during the use of high-voltage cable insulation fault monitoring and early warning devices after installation, the device box and front cover are generally directly installed and fixed with a large number of bolts. When inspecting and maintaining the internal components of the device, it is necessary to repeatedly disassemble and reassemble a large number of bolts, making the inspection and maintenance process very cumbersome, time-consuming and labor-intensive. This is a shortcoming and makes it inconvenient to perform convenient disassembly and maintenance operations on the inside of the fault monitoring and early warning device.
[0004] Now, a novel high-voltage cable insulation fault monitoring and early warning device is proposed to address the above-mentioned shortcomings. Utility Model Content
[0005] The purpose of this utility model is to provide a high-voltage cable insulation fault monitoring and early warning device to solve the problem mentioned in the background art of the inconvenience of convenient disassembly and maintenance of the internal parts of the fault monitoring and early warning device.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage cable insulation fault monitoring and early warning device, comprising a high-frequency sensor and a housing, wherein a housing cover is provided at the front end of the housing, a fixing frame is fixed at the bottom and bottom of the left front end of the housing, a connecting foot is fixed at the top and bottom of the left side of the housing cover, a fixing plate is fixed at the top and bottom of the right side of the housing cover, an opening is fixed at the top and bottom of the right front end of the housing, and a threaded sleeve is fixed at the rear end of the opening, a locking rod is provided at the front end of the fixing plate, a sealing gasket is fixed at the rear end of the housing cover, and the connecting foot is hinged to the interior of the fixing frame.
[0007] As a further technical solution of this utility model, a gasket is sleeved on the outside of the locking rod, and the rear end of the locking rod passes through the inside of the fixing plate and the opening and is threadedly connected to the threaded sleeve.
[0008] As a further technical solution of this utility model, an opening is provided at the top of the front end of the box cover, and two sets of fixing feet are fixed on both sides of the top of the front end of the box cover, and threaded holes are provided inside the front end of the fixing feet. A cover plate is provided at the front end of the opening, and mounting bolts are provided at the four corners of the front end of the cover plate.
[0009] As a further technical solution of this utility model, the rear end of the mounting bolt passes through the interior of the cover plate and is threadedly connected to the threaded hole, and the cover plate is a transparent acrylic material component.
[0010] As a further technical solution of this utility model, a storage box is provided at the bottom of the box body, and the storage box is filled with activated carbon particles. A top cover is provided at the top of the storage box. Insert blocks are fixed on both sides of the storage box. Insert brackets are fixed at the bottom of both sides of the box body. Multiple sets of ventilation holes are opened inside the top of the top cover.
[0011] As a further technical solution of this utility model, the insert block is inserted into the inside of the insert frame, and the four corners at the bottom of the top cover are respectively fixed with insert rods, and the four corners at the top of the storage box are respectively provided with four sets of slots.
[0012] As a further technical solution of this utility model, openings are respectively provided on both sides of the bottom front end of the box cover, an industrial control computer is fixedly installed at the top of the box body, and a display screen is installed at the front end of the industrial control computer, a second mounting plate is horizontally fixed at the middle position of the box body, a traveling wave current acquisition module is installed on the left side of the top of the second mounting plate, a central control module is installed at the middle position of the top of the second mounting plate, a power module is installed on the right side of the top of the second mounting plate, a first mounting plate is horizontally fixed at the bottom of the box body, and audio output speakers are respectively fixed on both sides of the top of the first mounting plate, and a terminal block is fixed on the left side of the box body.
[0013] As a further technical solution of this utility model, the display screen, industrial computer and central control module are electrically connected to the power supply module, the industrial computer and traveling wave current acquisition module are electrically connected to the central control module, the industrial computer is electrically connected to the display screen, the audio output speaker is electrically connected to the central control module, and the high-frequency sensor is electrically connected to the traveling wave current acquisition module.
[0014] Compared with the prior art, the beneficial effects of this utility model are: the high-voltage cable insulation fault monitoring and early warning device not only facilitates convenient disassembly and maintenance of the internal components of the fault monitoring and early warning device, and facilitates external protection of the information display components of the fault monitoring and early warning device, but also facilitates moisture protection of the internal components of the device.
[0015] (1) By setting up a box body, box cover, connecting feet, fixing frame, fixing plate two, threaded sleeve, fixing plate one, locking rod and sealing gasket, when the internal components of the fault monitoring and early warning device need to be inspected and maintained during use, the locking rods set on the top and bottom right side of the box cover can be turned outward from the inside of the threaded sleeve to unlock the box cover at the front end of the box body. Then, the box cover can be directly flipped to the left by the hinge between the connecting feet and the fixing frame to open the inside of the box body, which makes it convenient to perform convenient maintenance operations on the inside of the fault monitoring and early warning device.
[0016] (2) By setting a box cover, opening, fixing feet, cover plate, mounting bolts and threaded holes, the fault monitoring and early warning device is fixed with a cover plate at the top of the front end of the box cover by mounting bolts during use. The cover plate can provide auxiliary outer cover anti-collision protection for the front end of the display screen to avoid the display screen from being broken and damaged.
[0017] (3) By providing a box, ventilation holes, storage box, activated carbon granules, top cover, insert block and insert rack, when the fault monitoring and early warning device is in use, the activated carbon granules filled in the storage box can communicate with the air inside the box through the ventilation holes, and can assist in absorbing and dehumidifying the moisture in the air inside the box, maintaining a dry environment inside the device and reducing the moisture failure of the internal components of the device. Attached Figure Description
[0018] Figure 1 This is a frontal cross-sectional view of the present invention.
[0019] Figure 2 This is a front view structural diagram of the box body of this utility model;
[0020] Figure 3 This is a top view of a partial cross-sectional structure of the box lid of this utility model;
[0021] Figure 4 This utility model Figure 1 A magnified structural diagram at point A in the diagram.
[0022] In the diagram: 1. Box cover; 2. Box body; 3. Opening; 4. Terminal block; 5. Connecting foot; 6. Fixing bracket; 7. Fixing foot; 8. Display screen; 9. Cover plate; 10. Mounting bolt; 11. Fixing plate two; 12. Opening; 13. Mounting plate one; 14. Mounting plate two; 15. Industrial computer; 16. Traveling wave current acquisition module; 17. Central control module; 18. Power module; 19. Ventilation hole; 20. Audio output speaker; 21. Storage box; 22. Activated carbon granules; 23. Top cover; 24. Threaded hole; 25. Threaded sleeve; 26. Fixing plate one; 27. Locking rod; 28. Sealing gasket; 29. Insert block; 30. Insert bracket. Detailed Implementation
[0023] 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.
[0024] Please see Figure 1-4 This utility model provides an embodiment: a high-voltage cable insulation fault monitoring and early warning device, including a high-frequency sensor and a housing 2. The front end of the housing 2 is provided with a housing cover 1. The bottom and the left front end of the housing 2 are respectively fixed with a fixing bracket 6. The top and the bottom of the left side of the housing cover 1 are respectively fixed with connecting feet 5. The top and the bottom of the right side of the housing cover 1 are respectively fixed with a fixing plate 26. The top and the bottom of the right front end of the housing 2 are respectively fixed with openings 12, and the rear end of the openings 12 is fixed with a threaded sleeve 25. The front end of the fixing plate 26 is provided with a locking rod 27. The rear end of the housing cover 1 is fixed with a sealing gasket 28. The connecting feet 5 are hinged to the inside of the fixing bracket 6.
[0025] A washer is fitted to the outside of the locking rod 27, and the rear end of the locking rod 27 passes through the interior of the fixing plate 26 and the opening 12 and is threadedly connected to the threaded sleeve 25.
[0026] Specifically, such as Figures 1-3 As shown, when it is necessary to inspect and maintain the internal components of the device, the locking rods 27 set on the top and bottom of the right side of the cover 1 can be screwed out from the inside of the threaded sleeve 25 to unlock the front end of the cover 1. Then, the cover 1 can be directly flipped to the left by the hinge between the connecting foot 5 and the fixing bracket 6 to open the inside of the cover 2, which makes it convenient to perform maintenance and inspection operations on the inside of the fault monitoring and early warning device.
[0027] An opening 3 is provided at the top of the front end of the box cover 1. Two sets of fixing feet 7 are fixed on both sides of the top of the front end of the box cover 1. Threaded holes 24 are provided inside the front end of the fixing feet 7. A cover plate 9 is provided at the front end of the opening 3. Mounting bolts 10 are provided at the four corners of the front end of the cover plate 9. The rear end of the mounting bolts 10 passes through the interior of the cover plate 9 and is threadedly connected to the threaded holes 24. The cover plate 9 is a transparent acrylic component.
[0028] Specifically, such as Figure 1 and Figure 3 As shown, a cover plate 9 is installed and fixed on the top of the front end of the cover 1 using mounting bolts 10. The cover plate 9 can provide auxiliary outer cover and anti-collision protection for the front end of the display screen 8.
[0029] The bottom of the box 2 is equipped with a storage box 21, which is filled with activated carbon granules 22. The top of the storage box 21 is equipped with a top cover 23. The two sides of the storage box 21 are fixed with insert blocks 29. The bottom of the two sides of the box 2 is fixed with insert brackets 30. The top of the top cover 23 has multiple ventilation holes 19. The insert blocks 29 are inserted into the insert brackets 30. The four corners of the bottom of the top cover 23 are fixed with insert rods. The four corners of the top of the storage box 21 have four slots.
[0030] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, the activated carbon particles 22 filled inside the storage box 21 can communicate with the air inside the box 2 through the ventilation holes 19, and can assist in absorbing and dehumidifying the moisture in the air inside the box 2, maintaining a dry working environment for the internal components of the device.
[0031] The bottom front end of the cover 1 has openings 12 on both sides. An industrial control computer 15 is fixedly mounted on the top of the interior of the enclosure 2, and a display screen 8 is mounted on the front of the industrial control computer 15. A second mounting plate 14 is horizontally fixed in the middle of the interior of the enclosure 2. A traveling wave current acquisition module 16 is mounted on the left side of the top of the second mounting plate 14, a central control module 17 is mounted in the middle of the top of the second mounting plate 14, and a power module 18 is mounted on the right side of the top of the second mounting plate 14. A first mounting plate 13 is horizontally fixed at the bottom of the interior of the enclosure 2. Audio output speakers 20 are fixed on both sides of the top of the mounting plate 13. A terminal block 4 is fixed on the left side of the housing 2. The display screen 8, industrial computer 15 and central control module 17 are electrically connected to the power module 18. The industrial computer 15 and traveling wave current acquisition module 16 are electrically connected to the central control module 17. The industrial computer 15 is electrically connected to the display screen 8. The audio output speakers 20 are electrically connected to the central control module 17. The high-frequency sensor is electrically connected to the traveling wave current acquisition module 16.
[0032] Working principle: When this utility model is in use, the high-frequency sensor installed on the high-voltage cable can collect the current and voltage operating status of the cable in real time. When the insulation of the cable is damaged, the sensor can detect the abnormal current and voltage conditions and send a signal to the central control module 17. After being processed by the central control module 17, the audio output speaker 20 can be powered on and used to issue an audible warning.
[0033] Meanwhile, during the use of the fault monitoring and early warning device after installation, when it is necessary to inspect and maintain the internal components of the device, the locking rods 27 set on the top and bottom right side of the cover 1 can be screwed out from the inside of the threaded sleeve 25 to unlock the cover 1 at the front end of the box body 2. Then, the cover 1 can be flipped to the left by the hinge between the connecting foot 5 and the fixing bracket 6 to open the inside of the box body 2, and convenient maintenance operations can be performed on the inside of the fault monitoring and early warning device.
[0034] A cover plate 9 is installed and fixed on the top of the front end of the cover 1 using mounting bolts 10. This can provide auxiliary outer cover protection for the front end of the display screen 8. When the fault monitoring and early warning device is in use, the activated carbon particles 22 filled inside the storage box 21 can communicate with the air inside the box 2 through the ventilation holes 19, and can assist in absorbing and dehumidifying the moisture in the air inside the box 2, maintaining a dry environment inside the device.
[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A high-voltage cable insulation fault monitoring and warning device comprising a high-frequency sensor and a housing (2), characterized in that: The front end of the box (2) is provided with a box cover (1), the bottom of the left front end of the box (2) is fixed with a fixed frame (6), the top end and the bottom end of the left side of the box cover (1) are respectively fixed with a connecting foot (5), the top end and the bottom end of the right side of the box cover (1) are respectively fixed with a fixed plate one (26), the top and the bottom of the right front end of the box (2) are respectively fixed with an opening (12), and the rear end of the opening (12) is fixed with a threaded sleeve (25), the front end of the fixed plate one (26) is provided with a lock rod (27), the rear end of the box cover (1) is fixed with a sealing washer (28), and the connecting foot (5) and the inside of the fixed frame (6) are hingedly connected.
2. The high voltage cable insulation fault monitoring and warning device according to claim 1, characterized in that: The outside of the lock rod (27) is sleeved with a gasket, and the rear end of the lock rod (27) penetrates the inside of the fixed plate one (26) and the opening (12) and is threadedly connected in the threaded sleeve (25).
3. The high voltage cable insulation fault monitoring and warning device of claim 1, wherein: The top of the front end of the box cover (1) is provided with an opening (3), both sides of the top of the front end of the box cover (1) are respectively fixed with two groups of fixed feet (7), and the inside of the front end of the fixed foot (7) is provided with a threaded hole (24), the front end of the opening (3) is provided with a cover plate (9), and four corners of the front end of the cover plate (9) are respectively provided with mounting bolts (10).
4. The high voltage cable insulation fault monitoring and warning device of claim 3, wherein: The rear end of the mounting bolt (10) penetrates the inside of the cover plate (9) and is threadedly connected in the threaded hole (24), and the cover plate (9) is a transparent acrylic material component.
5. The high voltage cable insulation fault monitoring and warning device of claim 1, wherein: The bottom end of the inside of the box (2) is provided with a storage box (21), the inside of the storage box (21) is filled with activated carbon particles (22), the top end of the storage box (21) is provided with a top cover (23), both sides of the storage box (21) are respectively fixed with an insertion block (29), the bottom end of both sides of the inside of the box (2) is respectively fixed with an insertion frame (30), and the inside of the top end of the top cover (23) is provided with a plurality of ventilation holes (19).
6. A high voltage cable insulation fault monitoring and warning device according to claim 5, characterized in that: The insertion block (29) is inserted into the inside of the insertion frame (30), four corners of the bottom end of the top cover (23) are respectively fixed with an insertion rod, and the inside of four corners of the top end of the storage box (21) is respectively provided with four groups of insertion grooves.
7. The high voltage cable insulation fault monitoring and warning device of claim 1, wherein: Both sides of the bottom of the front end of the box cover (1) are respectively provided with an opening (12), the top end of the inside of the box (2) is fixedly provided with an industrial computer (15), and the front end of the industrial computer (15) is provided with a display screen (8), the central position of the inside of the box (2) is transversely fixedly provided with a mounting plate two (14), the left side of the top end of the mounting plate two (14) is provided with a traveling wave current acquisition module (16), the central position of the top end of the mounting plate two (14) is provided with a central control module (17), the right side of the top end of the mounting plate two (14) is provided with a power module (18), the bottom end of the inside of the box (2) is transversely fixedly provided with a mounting plate one (13), both sides of the top end of the mounting plate one (13) are respectively fixed with an audio output loudspeaker (20), and the left side of the box (2) is fixedly provided with a terminal post (4).
8. A high voltage cable insulation fault monitoring and warning device according to claim 7, characterized in that: The display screen (8), the industrial computer (15) and the central control module (17) are electrically connected with the power module (18), the industrial computer (15) and the traveling wave current acquisition module (16) are electrically connected with the central control module (17), the industrial computer (15) is electrically connected with the display screen (8), the audio output speaker (20) is electrically connected with the central control module (17), and the high-frequency sensor is electrically connected with the traveling wave current acquisition module (16).