CN219871605U

CN219871605U - High-voltage cable fault positioning on-line monitoring device

Info

Publication number: CN219871605U
Application number: CN202321182585.4U
Authority: CN
Inventors: 张红亮; 肖有娟; 周吉昌; 胡佳丽; 方怡琪
Original assignee: Hangzhou Chenglian Power Engineering Co ltd
Current assignee: Hangzhou Chenglian Power Engineering Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-20
Anticipated expiration: 2033-05-17

Abstract

The utility model belongs to the technical field of high-voltage cable fault monitoring, and particularly relates to a high-voltage cable fault positioning on-line monitoring device which comprises a cable, a first shell and a second shell, wherein an installation groove is formed in the first shell, a first fixing box is fixedly connected to the inside of the installation groove, a spring is fixedly connected to the inside of the first fixing box, a second fixing box is fixedly connected to one end of the spring, a sensor is fixedly connected to one end of the second fixing box, a second fixing plate and a third fixing plate are respectively and fixedly connected to the outer side of the second shell, and a rubber pad is fixedly connected to the inner side of the second fixing plate. According to the utility model, the first shell, the second fixing plate, the third fixing plate, the rubber pad, the rubber ring, the groove, the cover plate, the clamping block, the fixing sleeve and the gasket are arranged, so that the sensor can be protected, and the service life is prolonged.

Description

High-voltage cable fault positioning on-line monitoring device

Technical Field

The utility model relates to the technical field of high-voltage cable fault monitoring, in particular to an online fault positioning monitoring device for a high-voltage cable.

Background

The high-voltage cable is one of power cables, is used for transmitting power between 1kv and 1000kv, is mostly applied to power transmission and distribution, is increasingly applied to a power transmission system along with the development of national towns and high-speed railways, and has higher requirements on power transmission along with urban modern construction, the use amount of the high-voltage cable is rapidly increased, and the safe operation of the high-voltage cable is ensured to be more important, but the economic loss and the influence caused by the fact that a cable line is tripped once the cable line fails are larger. But the reasons of cable faults are difficult to find, different instruments and equipment are needed for different fault types, the operation is complex, time and labor are wasted, the fault detection time is long, and the efficiency is low. The high-frequency fault traveling wave current signal when the cable breaks down utilizes the propagation time of the cable fault transient traveling wave between the fault point and two ends of the cable to calculate the distance from the fault point to the end of the cable installation acquisition terminal on line, the existing sensor adopts an integrated caliper type semicircular casting design, the installation on the cable body and the grounding wire can not cause any physical damage to the cable, but the tightness of the sensor is weaker when the sensor is fixed, the sensor is easy to be soaked by rain wash, and the service life of the sensor is reduced, so that the high-voltage cable fault positioning on-line monitoring device is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an online monitoring device for fault location of a high-voltage cable, which solves the existing problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high tension cable fault location on-line monitoring device, includes cable, first casing and second casing, the mounting groove has been seted up to the inside of first casing, the inside fixedly connected with first fixed box of mounting groove, the inside fixedly connected with spring of first fixed box, the fixed box of one end fixedly connected with second of spring, the one end fixedly connected with sensor of the fixed box of second, the outside of second casing is fixedly connected with second fixed plate and third fixed plate respectively, the inboard fixedly connected with rubber pad of second fixed plate, the inboard fixedly connected with rubber circle of third fixed plate, the recess has been seted up on the top of third fixed plate, the top of recess is provided with the apron, the bottom fixedly connected with fixture block of apron.

As a preferable technical scheme of the utility model, the top end of the first shell is fixedly connected with a first fixing plate, the inner side of the first fixing plate is fixedly connected with a sealing gasket, the inner thread of the first fixing plate is connected with a first bolt, and the outer side of one end of the first bolt is connected with a first nut.

As a preferable technical scheme of the utility model, the rubber pad and the rubber ring can be mutually clamped.

As a preferable technical scheme of the utility model, the inner sides of the second fixing plate and the third fixing plate are connected with second bolts in a threaded mode, and one ends of the second bolts are connected with second nuts in a threaded mode.

As a preferable technical scheme of the utility model, one end of the second shell is fixedly connected with a fixing sleeve, and a gasket is arranged on the inner side of the fixing sleeve.

Compared with the prior art, the utility model provides the high-voltage cable fault positioning on-line monitoring device, which has the following beneficial effects:

1. this high-voltage cable fault location on-line monitoring device through being provided with first casing, the second fixed plate, the third fixed plate, the rubber pad, the rubber circle, the recess, the apron, the fixture block, fixed cover and packing ring, through being provided with first casing and second casing, can protect the sensor for double-deck casing structure, the second fixed plate is fixed with second fixed plate and third fixed plate each other with the rubber circle rethread second bolt and second nut with the inboard rubber pad of third fixed plate, the rubber pad can block in the rubber circle, make the rainwater be difficult to get into from, after the fixture block card on the apron is gone into the recess again, shelter from the gap in second fixed plate and the third fixed plate through the apron, can further avoid the rainwater to get into, the waterproof leakproofness of this device is high, can protect the sensor wherein, life has been prolonged.

2. This high tension cable fault location on-line monitoring device is through being provided with mounting groove, first fixed box, spring, fixed box of second, sensor, when using the installation, the sensor is when laminating with the cable, can ensure through the spring that the fixed box of second supports the sensor, when the cable shake, the sensor also can closely laminate with the cable.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the cover plate of the present utility model when not installed;

FIG. 3 is a schematic view of a second housing according to the present utility model;

FIG. 4 is a side view of the second housing of the present utility model;

FIG. 5 is a side cross-sectional view of a partial structure of a second housing of the present utility model;

FIG. 6 is a schematic structural view of a second fixing plate and a third fixing plate according to the present utility model;

fig. 7 is a cross-sectional view of the structure of the present utility model.

In the figure: 1. a cable; 2. a first housing; 200. a first fixing plate; 201. a sealing gasket; 202. a first bolt; 203. a first nut; 3. a mounting groove; 4. a first fixed box; 5. a spring; 6. a second fixing case; 7. a sensor; 8. a second housing; 9. a second fixing plate; 10. a third fixing plate; 11. a rubber pad; 12. a rubber ring; 13. a groove; 14. a cover plate; 15. a clamping block; 16. a second bolt; 17. a second nut; 18. a fixed sleeve; 19. and a gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, in the present embodiment: the utility model provides a high tension cable fault location on-line monitoring device, including cable 1, first casing 2 and second casing 8, mounting groove 3 has been seted up to the inside of first casing 2, the inside fixedly connected with first fixed box 4 of mounting groove 3, the inside fixedly connected with spring 5 of first fixed box 4, the fixed box 6 of one end fixedly connected with second of spring 5, the one end fixedly connected with sensor 7 of the fixed box 6 of second, the outside of second casing 8 is fixedly connected with second fixed plate 9 and third fixed plate 10 respectively, the inboard fixedly connected with rubber pad 11 of second fixed plate 9, the inboard fixedly connected with rubber circle 12 of third fixed plate 10, recess 13 has been seted up on the top of third fixed plate 10, the top of recess 13 is provided with apron 14, the bottom fixedly connected with fixture block 15 of apron 14.

In this embodiment, the top end of the first housing 2 is fixedly connected with a first fixing plate 200, the inner side of the first fixing plate 200 is fixedly connected with a sealing pad 201, the inner thread of the first fixing plate 200 is connected with a first bolt 202, one end of the first bolt 202 is externally connected with a first nut 203 in a threaded manner, so as to fix the first housing 2, and the sealing pad 201 can prevent rainwater from entering.

The rubber pad 11 and the rubber ring 12 can be mutually clamped, and the rubber pad 11 is clamped in the rubber ring 12, so that the sealing performance is high.

The second fixing plate 9 and the third fixing plate 10 are connected with a second bolt 16 through threads, and one end of the second bolt 16 is connected with a second nut 17 through threads for fixing the second shell 8.

One end of the second shell 8 is fixedly connected with a fixed sleeve 18, and a gasket 19 is arranged on the inner side of the fixed sleeve 18 and can be used for placing rainwater to enter from the edge of the second shell.

The working principle and the using flow of the utility model are as follows: when the sensor 7 is mounted, the second fixing box 6 can be ensured to support the sensor 7 through the spring 5 when the sensor 7 is attached to the cable, and the sensor 7 can be attached to the cable tightly when the cable shakes; through being provided with first casing 2 and second casing 8, can protect sensor 7 for double-deck shell structure, the rubber pad 11 and the rubber circle 12 rethread second bolt 16 of second fixed plate 9 and third fixed plate 10 inboard and when second nut 17 will second fixed plate 9 and third fixed plate 10 each other fixed, rubber pad 11 can block in the rubber circle 12 for the rainwater is difficult to get into from it, again with the fixture block 15 card on the apron 14 in going into recess 13 in, shelter from the gap in second fixed plate 9 and the third fixed plate 10 through the apron 14, can further avoid the rainwater to get into.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a high tension cable fault location on-line monitoring device, includes cable (1), first casing (2) and second casing (8), its characterized in that: the utility model discloses a novel anti-theft device for the automobile, including first casing (2), mounting groove (3) have been seted up to the inside of first casing (2), the inside fixedly connected with first fixed box (4) of mounting groove (3), the inside fixedly connected with spring (5) of first fixed box (4), the one end fixedly connected with second fixed box (6) of spring (5), the one end fixedly connected with sensor (7) of second fixed box (6), the outside of second casing (8) is fixedly connected with second fixed plate (9) and third fixed plate (10) respectively, the inboard fixedly connected with rubber pad (11) of second fixed plate (9), the inboard fixedly connected with rubber circle (12) of third fixed plate (10), recess (13) have been seted up on the top of third fixed plate (10), the top of recess (13) is provided with apron (14), the bottom fixedly connected with fixture block (15) of apron (14).

2. The high voltage cable fault location on-line monitoring device of claim 1, wherein: the top fixedly connected with first fixed plate (200) of first casing (2), the inboard fixedly connected with sealed pad (201) of first fixed plate (200), the inside threaded connection of first fixed plate (200) has first bolt (202), the one end outside threaded connection of first bolt (202) has first nut (203).

3. The high voltage cable fault location on-line monitoring device of claim 1, wherein: the rubber pad (11) and the rubber ring (12) can be mutually clamped.

4. The high voltage cable fault location on-line monitoring device of claim 1, wherein: the inner sides of the second fixing plate (9) and the third fixing plate (10) are in threaded connection with a second bolt (16), and one end of the second bolt (16) is in threaded connection with a second nut (17).

5. The high voltage cable fault location on-line monitoring device of claim 1, wherein: one end of the second shell (8) is fixedly connected with a fixing sleeve (18), and a gasket (19) is arranged on the inner side of the fixing sleeve (18).