Insulation on-line detection and maintenance early warning device for substation high-voltage equipment

Abstract

The utility model relates to the field of insulation detection of power system equipment, and particularly discloses an insulation on-line detection and maintenance early warning device for substation high-voltage equipment. According to the utility model, through arranging the dynamic abutting assembly, the detection early warning assembly, the sealing sleeve and the end sleeve on the installation cylinder, a user can stably install the installation cylinder on the cable through the dynamic abutting assembly, then real-time on-line detection is carried out on the insulation performance of the cable through the detection early warning equipment, and the end sleeve is matched with the dynamic abutting assembly, so that the insulation performance of the cable can be detected. Therefore, the installation cylinder can be stably connected with cables with different wire diameters, and the application range of the insulation online detection equipment is effectively expanded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the electric power system equipment insulation detection technical field, concretely relates to a transformer substation high voltage equipment insulation on -line detection and maintenance early warning device. BACKGROUND

[0002] Electric power is the energy that modern industry and life cannot lack, and electric power system and electric power equipment are used in industry and life, and electric power is transmitted from power plant by cable transmission equipment, some cables can cause electric power system and electric power equipment failure because of insulation damage, therefore, the insulation condition of cable needs to be paid attention to, when the insulation level of cable is detected currently, cable line needs to be stopped regularly, and then the insulation performance of cable line is judged by relying on the inspection of maintenance personnel, and this kind of maintenance mode is more troublesome, and the maintenance time is longer.

[0003] In the Chinese patent with publication number CN214674065U, a transformer equipment insulation level on-line monitoring device is mentioned, which relates to the electric power system equipment insulation detection field, including fixed pipe, clamping pipe and insulation detection assembly, the side wall of the fixed pipe is provided with fixed pipe slot, the fixed pipe slot is arranged along the length direction of the fixed pipe, and penetrates the two ends of the fixed pipe, the inner wall of the fixed pipe is provided with clamping assembly, and the outer side wall distance fixed pipe slot is provided with tight buckle mechanism assembly;The side wall of the clamping pipe is provided with clamping pipe slot;The clamping pipe slot is arranged along the length direction of the clamping pipe, and penetrates the two ends of the clamping pipe;The device has simple structure and convenient operation, through the design of fixed pipe and clamping pipe, the installation firmness of cable is increased, and the insulation level of cable can be monitored on-line, so that safety accidents can be avoided.

[0004] The applicant found defects in the above-mentioned application during the application process, because the specifications of electric power transmission cables are inconsistent, which leads to different diameters of cables, and the distance between the clamping pieces in the device is fixed, which cannot stably clamp some cables with relatively small diameters. Utility model content

[0005] The utility model aims at providing a transformer substation high voltage equipment insulation on-line detection and maintenance early warning device, to solve the problem that the existing detection equipment cannot be stably installed on cables with different diameters.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A transformer substation high voltage equipment insulation on-line detection and maintenance early warning device, comprising:

[0008] The installation cylinder is composed of two inner half cylinders by bolt splicing, and a cylinder shoulder is arranged on the inner half cylinder.

[0009] a dynamic abutting assembly arranged on the inner half cylinder;

[0010] a detection and early warning assembly arranged outside the mounting cylinder;

[0011] a sealing sleeve composed of two outer half cylinders;

[0012] an end sleeve sleeved on the end of the sealing sleeve and threadedly connected with the mounting cylinder.

[0013] Preferably, the inner half cylinder and the cylinder shoulder are provided with a mounting opening, the dynamic abutting assembly comprises a rotating rod hinged in the mounting opening and an abutting plate hinged at the end of the rotating rod, one end of the rotating rod is obliquely extended to the outside of one end of the mounting cylinder and abuts against the end sleeve, and the abutting plate is arranged in an arc shape and located inside the mounting cylinder.

[0014] Preferably, a resisting piece is connected between the rotating rod and the cylinder shoulder, and the resisting piece is arranged in an M shape.

[0015] Preferably, the detection and early warning assembly comprises a wire wound around the mounting cylinder and a detector connected at the end of the wire.

[0016] Preferably, one side wall of one of the outer half cylinders is fixedly connected with a protruding strip, the side wall of the other outer half cylinder is provided with a groove for slidingly inserting the protruding strip, the two outer half cylinders are spliced into the sealing sleeve through the protruding strip and the groove, and the inner wall of the sealing sleeve abuts against the cylinder shoulder.

[0017] Preferably, the end sleeve is spliced by two limiting sleeves through bolts, the limiting sleeves are threadedly connected on the inner half cylinder, the end of the limiting sleeve is sleeved on the outer half cylinder, and the limiting sleeve abuts against the rotating rod.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a dynamic abutting assembly, a detection and early warning assembly, a sealing sleeve and an end sleeve are arranged on the mounting cylinder, the user can stably install the mounting cylinder on the cable through the dynamic abutting assembly, then the insulation performance of the cable is detected in real time on line through the detection and early warning equipment, the end sleeve cooperates with the dynamic abutting assembly, so that the mounting cylinder can be stably connected with the cable with different wire diameters, and the application range of the insulation on line detection equipment is effectively expanded. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the sealing sleeve and end sleeve cooperation connection structure schematic diagram of the utility model;

[0022] Figure 3 It is the internal structure schematic view of the sealing sleeve of the utility model;

[0023] Figure 4 It is the cross section structure schematic view of the dynamic abutting assembly of the utility model;

[0024] In the figure: 1, inner half cylinder; 2, cylinder shoulder; 3, rotating rod; 4, abutting plate; 5, abutting piece; 6, winding; 7, detector; 8, outer half cylinder; 9, limiting sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Embodiment one:

[0027] Please refer to Figure 1 - Figure 4 As shown in the figure, an on-line detection and maintenance early warning device for insulation of high-voltage equipment of a transformer substation comprises:

[0028] The mounting cylinder is composed of two inner half cylinders 1 connected by bolts, and the inner half cylinders 1 are provided with cylinder shoulders 2, and the two inner half cylinders 1 are clamped on the cable and then connected together by bolts;

[0029] The dynamic abutting assembly is arranged on the inner half cylinder 1;

[0030] The detection and early warning assembly is arranged outside the mounting cylinder;

[0031] The sealing sleeve is composed of two outer half cylinders 8 and is sleeved outside the detection and early warning assembly and the dynamic abutting assembly, and is used for maintaining the stability of the working environment of the detection and early warning assembly and the dynamic abutting assembly;

[0032] The end sleeve is sleeved at the end of the sealing sleeve and is threadedly connected with the mounting cylinder, and is used for closing and limiting the movement of the sealing sleeve.

[0033] As known from the above, by arranging the dynamic abutting assembly, the detection and early warning assembly, the sealing sleeve and the end sleeve on the mounting cylinder, the user can stably install the mounting cylinder on the cable through the dynamic abutting assembly, and then the insulation performance of the cable is detected in real time on-line through the detection and early warning device, and the end sleeve cooperates with the dynamic abutting assembly, so that the mounting cylinder can be stably connected with the cables with different diameters, effectively expanding the application range of the on-line insulation detection device.

[0034] The inner half cylinder 1 and the cylinder shoulder 2 are provided with installation ports, the dynamic abutting assembly comprises a rotating rod 3 hinged in the installation port and an abutting plate 4 hinged at the end of the rotating rod 3, one end of the rotating rod 3 is obliquely extended to the outside of one end of the installation cylinder and abuts against the end sleeve, the abutting plate 4 is arranged in an arc shape and is located inside the installation cylinder, when the end sleeve moves on the installation cylinder, the end sleeve abuts against one end of the rotating rod 3, so that the rotating rod 3 is forced to rotate, and the rotating rotating rod 3 drives the abutting plate 4 to rotate and abut against the surface of the cable, and a plurality of abutting plates 4 cooperate with each other to stably clamp the cable.

[0035] The rotating rod 3 is connected with the cylinder shoulder 2 and is provided with an abutting piece 5, the abutting piece 5 is arranged in an M shape and has a certain elasticity and reset ability, when the rotating rod 3 rotates, the rotating rod 3 drives the abutting piece 5 to bend and store elastic potential energy, when the rotating rod 3 loses the limitation of the end sleeve, the abutting piece 5 releases the elastic potential energy and resets, drives the rotating rod 3 to rotate back to the original position, and makes the abutting plate 4 re-adhere to the surface of the inner half cylinder 1, so that the user can clamp the cable between two abutting plates 4.

[0036] The detection and early warning assembly comprises a winding wire 6 wound on the installation cylinder and a detector 7 connected at the end of the winding wire 6, the winding wire 6 can generate current, and the detector 7 can detect the current in the winding wire 6 and judge the insulation performance of the cable according to the current.

[0037] One side wall of the outer half cylinder 8 is fixedly connected with a convex strip, the other side wall of the outer half cylinder 8 is provided with a groove for sliding and inserting the convex strip, and the two outer half cylinders 8 are spliced into a sealing sleeve through the convex strip and the groove, and the inner wall of the sealing sleeve abuts against the cylinder shoulder 2, the convex strip and the groove can ensure that the splicing gap between the two outer half cylinders 8 is tight enough to avoid rain or other substances from entering the sealing sleeve through the splicing gap.

[0038] The end sleeve is spliced by two limiting sleeves 9 through bolts, the limiting sleeves 9 are threadedly connected on the inner half cylinder 1, the end sleeves are sleeved on the outer half cylinder 8, and the limiting sleeves 9 abut against the rotating rod 3, when the user rotates the end sleeve, the end sleeve moves on the installation cylinder and abuts against the rotating rod 3, and drives the rotating rod 3 to rotate.

[0039] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail herein.

[0040] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. The meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0041] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0043] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the specification without conflict.

[0044] The utility model discloses the embodiment in the drawing, only relate to the structure related to the embodiment of the disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined mutually.

Claims

1. An on-line detection and maintenance warning device for substation high voltage equipment insulation, characterized in that, Include: The installation cylinder is composed of two inner half cylinders (1) by bolt splicing, and the inner half cylinder (1) is provided with a cylinder shoulder (2); Dynamic abutting assembly is arranged on the inner half cylinder (1); Early warning assembly is arranged outside the installation cylinder; The sealing sleeve is composed of two outer half cylinders (8); The end sleeve is sleeved on the end of the sealing sleeve and is screwed with the installation cylinder.

2. The substation high voltage equipment insulation on-line detection and maintenance early warning device according to claim 1, characterized in that: The inner half cylinder (1) and the cylinder shoulder (2) are provided with installation ports, the dynamic abutting assembly includes a rotating rod (3) hinged in the installation port and an abutting plate (4) hinged at the end of the rotating rod (3), one end of the rotating rod (3) extends to the outside of one end of the installation cylinder, and the end sleeve is abutted, the abutting plate (4) is arranged in arc shape and located inside the installation cylinder.

3. The apparatus according to claim 2, characterized in that: The rotating rod (3) and the cylinder shoulder (2) are connected with the abutting piece (5), and the abutting piece (5) is arranged in M shape.

4. The apparatus of claim 1, wherein the apparatus is characterized by: The detection and early warning assembly includes a winding (6) wound around the installation cylinder and a detector (7) connected at the end of the winding (6).

5. The apparatus for on-line detection and maintenance warning of substation high voltage equipment insulation according to claim 4, characterized in that: One side wall of the outer half cylinder (8) is fixedly connected with a convex strip, and the other side wall of the outer half cylinder (8) is provided with a groove for sliding insertion of the convex strip, and the two outer half cylinders (8) are spliced into a sealing sleeve through the convex strip and the groove, and the inner wall of the sealing sleeve is abutted with the cylinder shoulder (2).

6. The apparatus for on-line detection and maintenance warning of substation high voltage equipment insulation according to claim 2, characterized in that: The end sleeve is composed of two limiting sleeves (9) by bolt splicing, and the limiting sleeve (9) is screwed on the inner half cylinder (1), the limiting sleeve (9) is sleeved on the outer half cylinder (8), and the limiting sleeve (9) is abutted with the rotating rod (3).

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