CN113724930B

CN113724930B - Anti-creeping cable with alarm function for high-voltage power distribution cabinet

Info

Publication number: CN113724930B
Application number: CN202110994750.5A
Authority: CN
Inventors: 王波; 张洪星; 罗真
Original assignee: Jiangsu Hongfeng Cable Group Co ltd
Current assignee: Jiangsu Hongfeng Cable Group Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2023-06-20
Anticipated expiration: 2041-08-27
Also published as: CN113724930A

Abstract

The invention discloses an anti-leakage cable with an alarm function, which comprises an inner wall and an outer wall arranged outside the inner wall, wherein an inner cavity is arranged between the inner wall and the outer wall, the inner wall and the outer wall are both in insulation arrangement, the inner cavity is in annular arrangement, inner boxes are fixedly arranged at the left end and the right end of the inner cavity, magnetorheological fluid is fixedly arranged in the two inner boxes, a sealing mechanism is arranged at the lower end of the inner boxes, an insulating sleeve is fixedly arranged at the upper end of the outer wall, the insulating sleeve is in semi-annular arrangement, two insulating rings are arranged in the insulating sleeve in a sliding manner, magnets are fixedly arranged at the ends, close to each other, of the two insulating rings, and a limiting block is fixedly arranged at the ends, far away from the magnets, of the two insulating rings; the invention realizes the timely safety protection effect on the leakage cable, and simultaneously can enable electricians to discover the leakage phenomenon of the cable at the first time, thereby carrying out necessary maintenance and replacement on the cable.

Description

Anti-creeping cable with alarm function for high-voltage power distribution cabinet

Technical Field

The invention relates to the technical field of cables, in particular to an anti-creeping cable with an alarm function for a high-voltage power distribution cabinet.

Background

Typically rope-like cables formed by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a centre, the whole being covered with a highly insulating coating. The cable has the characteristics of inner electrifying and outer insulating;

the existing cable is often provided with a plurality of insulating layers, but the insulating layers are exposed in the outside air, so that the leakage is caused by the fact that parts of the insulating layers are inevitably damaged for a long time, and a large potential safety hazard exists.

Disclosure of Invention

The invention aims to solve the defects existing in the prior art, such as: the existing cable is often provided with a plurality of insulating layers, but the insulating layers are exposed in the outside air, so that the leakage is caused by the fact that parts of the insulating layers are inevitably damaged for a long time, and a large potential safety hazard exists.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a high-voltage distribution cabinet uses anticreep cable that has alarming function, includes the inner wall and sets up the outer wall outside the inner wall, be equipped with the inner chamber between inner wall and the outer wall, inner wall and outer wall are insulating setting, the inner chamber is annular setting, just both ends are all fixed about the intracavity are equipped with the inner box, two the inner box is equipped with magnetorheological fluid, the lower extreme of inner box is equipped with sealing mechanism, the upper end of outer wall is fixed and is equipped with the insulating sleeve, it is equipped with two insulating rings to slide in the insulating sleeve, two the one end that insulating rings are close to each other is all fixed and is equipped with magnet, two the magnet adsorbs each other and sets up, two the one end that magnet was kept away from to the insulating ring is all fixed and is equipped with the stopper, the lower extreme inside of outer wall is equipped with the sliding chamber, the sliding chamber is equipped with the slider, the fixed connecting rod that is equipped with of lower extreme of slider, connecting rod and stopper fixed connection set up, still be equipped with the piece and set up in the inner chamber, the outer wall below is equipped with the ground, the concave outer wall is equipped with spacing groove, the setting up between spacing groove and fixed groove.

The invention further defines the technical scheme that:

preferably, the sealing mechanism comprises a baffle plate arranged at the lower end of the inner box, a fixed block is further fixedly arranged at the lower end of the inner box, one end of the baffle plate is slidably arranged in the fixed plate, a buffer cavity is arranged in the fixed plate, a soft spring is fixedly arranged in the buffer cavity, and the soft spring is fixedly connected with the baffle plate.

Preferably, the insulating sleeve is semi-annular.

Preferably, the sliding block and the propping block are integrally formed, the tail end of the propping block is spherical, and the propping block and the magnetorheological fluid are correspondingly arranged.

Preferably, the cross-sectional area of the limiting block is larger than the cross-sectional area of the insulating ring.

Preferably, a groove is formed in the side wall of the inner box, and the groove and the baffle are correspondingly arranged.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the sealing mechanism, when the cable leaks electricity, current passes through the inner wall and enters the inner cavity, so that the magnetorheological fluid is instantly hardened, meanwhile, the soft spring is electrified and contracted to drive the baffle plate to slide, so that the hardened magnetorheological fluid slides out of the inner box and pushes the abutting block to move, the cable can react to the electricity leakage condition at the first time, and the pushing device is operated to remind electricians and isolate the outside;

2. according to the invention, through the mutual matching of the insulating ring and the insulating sleeve, when the sliding block slides in the sliding cavity, the insulating ring is driven to slide out of the insulating sleeve, so that the insulating ring can slide out, a cable is separated from the outside, the safety accident caused by electric leakage is prevented, meanwhile, an electrician can rapidly judge the electric leakage condition of the cable by observing the sliding out of the insulating ring, and further necessary maintenance and replacement are carried out on the cable.

Drawings

Fig. 1 is a schematic structural diagram of a high-voltage power distribution cabinet using an anti-leakage cable with an alarm function;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1;

in the figure: 1 inner wall, 2 outer wall, 3 inner chamber, 4 inner box, 5 magnetorheological fluid, 6 insulating sleeve, 7 insulating ring, 8 magnet, 9 stopper, 10 sliding chamber, 11 slider, 12 connecting rod, 13 supporting block, 14 ground, 15 spacing groove, 16 fixed block, 17 baffle, 18 fixed block, 19 soft spring, 20 buffer chamber.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments.

Referring to fig. 1-2, a high-voltage power distribution cabinet uses an anti-leakage cable with an alarm function, which comprises an inner wall 1 and an outer wall 2 arranged outside the inner wall 1, wherein an inner cavity 3 is arranged between the inner wall 1 and the outer wall 2, the inner wall 1 and the outer wall 2 are all in insulation arrangement, the inner cavity 3 is in annular arrangement, an inner box 4 is fixedly arranged at the left end and the right end in the inner cavity 3, magnetorheological fluid 5 is arranged in the two inner boxes 4, a sealing mechanism is arranged at the lower end of the inner box 4, the sealing mechanism comprises a baffle 17 arranged at the lower end of the inner box 4, a groove is arranged on the side wall of the inner box 4, the groove and the baffle 17 are correspondingly arranged, so that the sealing of the inner box 4 is more complete, the leakage of the magnetorheological fluid 5 is prevented, a fixed block 18 is fixedly arranged at the lower end of the inner box 4, one end of the baffle 17 is slidingly arranged in the fixed plate 18, a buffer cavity 20 is arranged in the fixed plate 18, a soft spring 19 is fixedly arranged in the buffer cavity 20, the soft spring 19 and the baffle 17 are fixedly connected, through the arrangement of the sealing mechanism, when a cable leaks electricity, the current passes through the inner wall 1 and enters the inner cavity 3, so that the magnetorheological fluid 5 is instantly hardened, meanwhile, the soft spring 19 is electrified and contracted to drive the baffle 17 to slide, so that the hardened magnetorheological fluid 5 slides out of the inner box 4 and pushes the abutting block 13 to move, the cable can react with the electricity leakage at the first time, and the pushing device operates to remind an electrician and isolate the outside, the upper end of the outer wall 2 is fixedly provided with the insulating sleeve 6, the insulating sleeve 6 is semi-annular, two insulating rings 7 are arranged in the insulating sleeve 6 in a sliding manner, one ends of the two insulating rings 7, which are close to each other, are fixedly provided with magnets 8, the two magnets 8 are mutually adsorbed and one ends of the two insulating rings 7, which are far away from the magnets 8, are fixedly provided with limiting blocks 9, the cross-sectional area of stopper 9 is the cross-sectional area setting that is greater than insulating ring 7, effectively carry out spacing effect to insulating ring 7, the lower extreme inside of outer wall 2 is equipped with smooth chamber 10, it is equipped with slider 11 to slide in smooth chamber 10, the fixed connecting rod 12 that is equipped with in lower extreme of slider 11, connecting rod 12 and stopper 9 fixed connection set up, still fixedly on slider 11 be equipped with support piece 13, slider 11 and support piece 13 integrated into one piece setting, and support piece 13 for the end setting for spherical, support piece 13 and magnetorheological fluid 5 corresponding setting, make the steadiness of this structure obtain promoting, the operation process between the device structure has been made things convenient for simultaneously, make magnetorheological fluid 5 simultaneously, support piece 13 set up in interior chamber 3, outer wall 2 below is equipped with ground 14, the concave spacing groove 15 that is equipped with in ground 14, outer wall 2 is placed in spacing groove 15 and is set up, fixed being equipped with fixed block 16 between spacing groove 15 and the outer wall 2, through the mutually supporting of insulating ring 7 and insulating sleeve 6, slide in smooth chamber 10 when slider 11, drive insulating ring 7 and slide out in insulating sleeve 6, thereby make insulating ring 7 can be carried out from insulating ring 7, the cable and cable leakage take place the electrical leakage of electricity to the cable through the observation, and the cable leakage of electrical cable is judged to the cable is carried out to the safety accident.

In the invention, when the device is used, a cable is placed on the ground 14, when the cable leaks electricity, current passes through the inner wall 1 and enters the inner cavity 3, so that the magnetorheological fluid 5 is instantly hardened, meanwhile, the soft spring 19 is electrified and contracted to drive the baffle 17 to slide, so that the hardened magnetorheological fluid 5 slides out of the inner box 4 and pushes the supporting block 13 to move, further, the sliding block 11 is driven to slide in the sliding cavity 10, and meanwhile, the insulating ring 7 is driven to slide out of the insulating sleeve 6, so that the insulating ring 7 can slide out, the cable is separated from the outside, the safety accident caused by electricity leakage is prevented, and meanwhile, an electrician can rapidly judge the electricity leakage condition of the cable by observing the sliding out of the insulating ring 7, and further, necessary maintenance and replacement are carried out on the cable.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a high-voltage distribution cabinet uses anticreep cable with alarming function, includes inner wall (1) and outer wall (2) of setting outside inner wall (1), be equipped with inner chamber (3) between inner wall (1) and outer wall (2), inner wall (1) and outer wall (2) are insulating setting, characterized in that, inner chamber (3) are annular setting, just both ends are all fixed in the inner chamber (3) about be equipped with inner box (4), two all be equipped with magnetorheological fluid (5) in inner box (4), the lower extreme of inner box (4) is equipped with sealing mechanism, sealing mechanism is including setting up baffle (17) of inner box (4) lower extreme, the lower extreme of inner box (4) is still fixed and is equipped with fixed plate (18), the one end slip of baffle (17) is set up in fixed plate (18), be equipped with cushion chamber (20) in fixed in the fixed plate (18), be equipped with soft spring (19) in cushion chamber (20), soft spring (19) and baffle (17) fixed connection set up;

the utility model discloses a fixed insulation cover (6) that is equipped with in the upper end of outer wall (2), it is equipped with two insulating ring (7) to slide in insulating ring (6), two insulating ring (7) are all fixed in the one end that is close to each other is equipped with magnet (8), two magnet (8) adsorb each other and set up, two insulating ring (7) are kept away from the one end of magnet (8) and are all fixed stopper (9), the inside smooth chamber (10) that is equipped with of lower extreme of outer wall (2), slide and be equipped with slider (11) in smooth chamber (10), the lower extreme of slider (11) is fixed and is equipped with connecting rod (12), connecting rod (12) and stopper (9) fixed connection set up, still be fixed on slider (11) and be equipped with support piece (13), support piece (13) and set up in inner chamber (3), outer wall (2) below is equipped with ground (14), ground (14) are concave to be equipped with spacing groove (15), outer wall (2) are placed in spacing groove (15), be equipped with between spacing groove (15) and outer wall (2) fixed block (16).

2. The high-voltage power distribution cabinet using the anti-creeping cable with the alarm function according to claim 1, wherein the insulating sleeve (6) is arranged in a semi-annular shape.

3. The high-voltage power distribution cabinet according to claim 1, wherein the sliding block (11) and the supporting block (13) are integrally formed, the tail end of the supporting block (13) is spherically arranged, and the supporting block (13) and the magnetorheological fluid (5) are correspondingly arranged.

4. The high-voltage power distribution cabinet using the anti-creeping cable with the alarm function according to claim 1, wherein the cross-sectional area of the limiting block (9) is larger than the cross-sectional area of the insulating ring (7).

5. The high-voltage power distribution cabinet using the anti-creeping cable with the alarm function according to claim 1, wherein grooves are formed in the side wall of the inner box (4), and the grooves and the baffle plates (17) are correspondingly arranged.