GIS combined electric appliance partial discharge comprehensive on-line monitoring device

Abstract

The utility model discloses a GIS combined electric appliance partial discharge comprehensive on-line monitoring device, which comprises a monitoring device body and a plurality of external high frequency sensors, the upper end of the monitoring device body is fixedly connected with a mounting plate, the upper end of the mounting plate is provided with a fixing plate, a plurality of connecting mechanisms are arranged between the fixing plate and the mounting plate, and the external high frequency sensors are arranged on the fixing plate. The fixing plate is fixedly connected with the mounting plate through a connecting mechanism, a plurality of groups of connecting grooves are formed in the upper end of the fixing plate, and a plurality of limiting blocks are connected to the upper end of the mounting plate; the outer side of the external high-frequency sensor is connected with a mounting shell, the outer wall of the mounting shell is fixedly connected with a positioning block and movably connected with a movable block, and the external high-frequency sensor extends into the connecting groove through the positioning block and is fixedly connected with the limiting block. According to the utility model, the problems that the external high-frequency sensor equipped on the GIS monitoring device is fixed on the to-be-tested equipment through a hoop, and the hoop fixing mode has the defects of large hoop structure, labor waste in mounting and dismounting, difficulty in transportation and the like are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to GIS combined electric appliance technical field, especially related to a GIS combined electric appliance partial discharge comprehensive on -line monitoring devices. BACKGROUND

[0002] In the electric power industry, sulfur hexafluoride (SF6) is widely used in electric conductance equipment series, such as power switch, closed capacitor bank, transformer and the like, these devices need to adopt GIS monitoring device to monitor in the operation process, monitor its partial discharge in the operation process, timely make early warning to GIS insulation abnormal state and discharge fault, improve the reliability, safety and effectiveness of GIS operation.

[0003] However, the prior art has some problems: the external high-frequency sensor equipped with the GIS monitoring device is mainly fixed on the measured equipment through the clamp, and the clamp fixing mode has the defects of large clamp structure, difficult installation and removal and difficult transportation, and the like, and therefore we propose a GIS combined electric appliance partial discharge comprehensive on-line monitoring device. UTILITY MODEL CONTENT

[0004] In view of the above technical problems, the utility model provides a GIS combined electric appliance partial discharge comprehensive on-line monitoring device, which solves the problems that the external high-frequency sensor equipped with the GIS monitoring device is mainly fixed on the measured equipment through the clamp, and the clamp fixing mode has the defects of large clamp structure, difficult installation and removal and difficult transportation.

[0005] The utility model is realized in this way, a GIS combined electric appliance partial discharge comprehensive on-line monitoring device, including monitoring device body and a plurality of external high-frequency sensors, the monitoring device body upper end fixedly connected with mounting panel, the mounting panel upper end is equipped with fixed plate, be equipped with a plurality of connecting mechanisms between fixed plate and mounting panel, the fixed plate is fixedly connected with mounting panel through connecting mechanism, the fixed plate upper end is equipped with multiple sets of connecting slot, the mounting panel upper end is connected with a plurality of limit blocks, and the limit block extends into the connecting slot inside;The external high-frequency sensor outside is connected with installation shell, and the installation shell is fixedly connected with the positioning block and movably connected with the movable block on the side outer wall away from the external high-frequency sensor, the movable block is located on the upper end of the positioning block, and the external high-frequency sensor is fixedly connected with the limit block through the positioning block and the limit block into the connecting slot.

[0006] As preferred in the utility model, the external high-frequency sensor lower end is connected with the sucking disc, and the sucking disc lower end is equipped with insulating pad.

[0007] As the utility model is preferred, the outer wall of the upper end of the installation shell is provided with an inwardly recessed sliding groove, the sliding groove is arranged in a convex shape, and the protruding end of the sliding groove extends to the outer wall of the side of the installation shell away from the external high-frequency sensor.

[0008] As the utility model is preferred, the inside of the sliding groove is provided with an adjusting mechanism, the adjusting mechanism comprises a fixed cylinder fixedly connected to the inside of the sliding groove and a screw rod connected to the inside of the fixed cylinder, the upper end of the screw rod extends to the outside of the sliding groove, and a detachable handle is connected to the upper end of the screw rod.

[0009] As the utility model is preferred, the lower end of the movable block is connected with a plurality of positioning shafts, the side of the movable block close to the installation shell is fixedly connected with a sliding block matched with the sliding groove, a first threaded hole is formed through the outer wall of the sliding block, and the sliding block is threadedly connected with the screw rod through the first threaded hole.

[0010] As the utility model is preferred, a plurality of through holes are formed through the outer wall of the upper end of the positioning block, the through holes correspond to the positioning shafts, a limiting groove is formed through the outer wall of the upper end of the positioning block, and the limiting groove is located between the through holes.

[0011] As the utility model is preferred, a positioning hole is formed through the upper end face of the limiting block, the positioning hole corresponds to the through hole, an extension mechanism is connected to the upper end of the limiting block, the extension mechanism comprises a stepped groove arranged on the outer wall of the upper end of the limiting block, the stepped groove corresponds to the limiting groove, an extension block is arranged in the stepped groove, one end of the extension block located in the stepped groove is connected with a spring, the other end of the spring is connected with the inner wall of the stepped groove, and the upper end of the extension block extends to the outside of the stepped groove.

[0012] As the utility model is preferred, the connecting mechanism comprises a fixed block fixedly connected to the fixed plate, a rectangular block fixedly connected to the lower end of the mounting plate, and a screw shaft arranged on the outer side of the fixed block, the upper end of the fixed block is provided with a rectangular groove for accommodating the rectangular block, the outer wall of the rectangular block is provided with a through hole in communication with the rectangular groove, the outer wall of the rectangular block is provided with a second threaded hole corresponding to the through hole, and the screw shaft is threadedly connected with the through hole and the second threaded hole.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1、The external high-frequency sensor is connected with the limiting block by extending into the connecting groove through the fixed block, the movable block is moved, the sliding block is connected with the fixed block and the limiting block, the fixed block is limited, the external high-frequency sensor is fixedly installed on the monitoring device body, the structure is simple, convenient to disassemble and assemble, and convenient to transport.

[0015] 2. The utility model discloses a rotating handle, drives the rotation of screw rod in fixed cylinder inside, and the rotation of screw rod drives the movement of sliding block, and under the limiting effect of sliding slot, make the up and down movement of sliding block on screw rod, drive movable plate to move, and the contact of movable block and fixed plate is convenient, and positioning shaft extends into the inside of through hole and is connected with limiting block, and it is convenient to limit and fix fixed block, improve the stability of external high frequency sensor and mounting plate connection.

[0016] 3. The utility model discloses in the process of fixed plate extension connection slot inside, and contact telescopic block, and telescopic block is under the influence of force and drives spring to move to step groove inside, when step groove and limit slot correspond, spring rebound, drive telescopic block to extend into limit slot inside, realize to external high frequency sensor limit fixed, and through rotating adjusting mechanism, make movable plate and fixed plate contact, and positioning shaft extends into positioning hole inside, and it is convenient to limit and fix fixed plate, improve the stability between external high frequency sensor and mounting plate connection.

[0017] 4. The utility model discloses that mounting plate passes through rectangular block extension rectangular slot inside, realize mounting plate and fixed plate between connection, utilize screw shaft extension rectangular slot inside and second screw hole screw connection, to rectangular block fixed, realize rectangular block and fixed block fixed connection, thus realize mounting plate and fixed plate between fixed plate, convenient mounting plate and fixed plate between dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram that the utility model embodiment provides;

[0019] Figure 2 It is the three-dimensional schematic diagram of external high frequency sensor that the utility model embodiment provides;

[0020] Figure 3 It is the bottom view schematic diagram of external high frequency sensor that the utility model embodiment provides;

[0021] Figure 4 It is the movable block and mounting shell connection schematic diagram that the utility model embodiment provides;

[0022] Figure 5 It is the mounting shell section view schematic diagram that the utility model embodiment provides;

[0023] Figure 6 It is the connection mechanism exploded view schematic diagram that the utility model embodiment provides;

[0024] Figure 7 It is the top view schematic diagram of limiting block that the utility model embodiment provides;

[0025] Figure 8 It is the limiting block section view schematic diagram that the utility model embodiment provides.

[0026] In the figure: 1, monitoring device body; 2, external high-frequency sensor; 3, mounting plate; 4, fixed plate; 5, limit block; 6, connecting mechanism; 21, adjusting mechanism; 22, suction cup; 23, mounting shell; 24, movable block; 25, positioning block; 31, connecting groove; 51, positioning hole; 52, telescopic mechanism; 61, rectangular block; 62, fixed block; 63, screw shaft; 211, handle; 212, screw; 213, fixed cylinder; 231, sliding groove; 241, positioning shaft; 242, sliding block; 243, first threaded hole; 251, through hole; 252, limiting groove; 521, telescopic block; 522, stepped groove; 523, spring; 611, second threaded hole; 621, rectangular groove; 622, through hole. DETAILED DESCRIPTION

[0027] In order to further understand the utility model content, characteristics and effects of the utility model, the following examples are given, and the details are described as follows with the help of the drawings.

[0028] The structure of the utility model will be described in detail below with reference to the drawings.

[0029] Example 1:

[0030] As Figure 1 shown, the GIS combined electric appliance local discharge comprehensive online monitoring device provided by the embodiment of the utility model, including monitoring device body 1 and multiple external high-frequency sensors 2, the monitoring device body 1 upper end fixedly connected with mounting plate 3, the mounting plate 3 upper end is equipped with fixed plate 4, multiple connecting mechanisms 6 are equipped between the fixed plate 4 and the mounting plate 3, the fixed plate 4 is fixedly connected with the mounting plate 3 through the connecting mechanism 6, multiple connecting grooves 31 are equipped on the upper end of the fixed plate 4, multiple limit blocks 5 are connected on the upper end of the mounting plate 3, the limit block 5 extends into the inside of the connecting groove 31;The external high-frequency sensor 2 is connected with the mounting shell 23 outside, the side wall away from the external high-frequency sensor 2 of the mounting shell 23 is fixedly connected with the positioning block 25 and movably connected with the movable block 24, the movable block 24 is located on the upper end of the positioning block 25, the external high-frequency sensor 2 is fixedly connected with the limit block 5 by the positioning block 25 extending into the connecting groove 31;The external high-frequency sensor 2 is connected with the limit block 5 by the fixed block 62 extending into the connecting groove 31, the movable block 24 is moved, so that the sliding block is in contact with the fixed block 62 and connected with the limit block 5, the fixed block 62 is limited, so that the external high-frequency sensor 2 is fixedly installed on the monitoring device body 1, the structure is simple, convenient to disassemble and assemble, and convenient to transport.

[0031] As Figures 2 to 5As shown, the outer high frequency sensor 2 lower end is connected with suction cup 22, the suction cup 22 lower end is provided with insulating pad; the installation shell 23 upper end outer wall is provided with inward recessed sliding groove 231, the sliding groove 231 is arranged in a convex shape, the sliding groove 231 convex end extends to the installation shell 23 far from the outer high frequency sensor 2 one side outer wall; sliding groove 231 inside is equipped with adjusting mechanism 21, the adjusting mechanism 21 includes fixedly connected in the sliding groove 231 inside fixed cylinder 213, and the screw rod 212 is connected in the fixed cylinder 213 inside, the screw rod 212 upper end extends to the sliding groove 231 outside, the screw rod 212 upper end is connected with detachable handle 211;The movable block 24 lower end is connected with a plurality of positioning shafts 241, the movable block 24 is fixedly connected with the sliding block 242 that is combined with the sliding groove 231 on the side close to the installation shell 23, the sliding block 242 outer wall is provided with first threaded hole 243, and the sliding block 242 is screwed with the screw rod 212 through the first threaded hole 243;The positioning block 25 upper end outer wall is provided with a plurality of through holes 251, the through hole 251 corresponds with the positioning shaft 241, the positioning block 25 upper end outer wall is provided with limiting groove 252, and the limiting groove 252 is located between the through hole 251;By rotating handle 211, drive screw rod 212 rotates in fixed cylinder 213, and the screw rod 212 rotation drives sliding block 242 to move, and the sliding block 242 moves up and down on the screw rod 212 under the limiting action of sliding groove 231, drives movable plate to move, and the movable block 24 is contacted with fixed plate 4, the positioning shaft 241 is inserted into the through hole 251 inside and is connected with limiting block 5, and the fixed block 62 is limited and fixed, so that the stability of the outer high frequency sensor 2 and installation plate 3 connection is improved.

[0032] As Figure 7 and Figure 8As shown, the upper end surface of the limiting block 5 is provided with a positioning hole 51, the positioning hole 51 corresponds to the through hole 251, the upper end of the limiting block 5 is connected with a telescopic mechanism 52, the telescopic mechanism 52 includes a stepped groove 522 arranged on the outer wall of the upper end of the limiting block 5, the stepped groove 522 corresponds to the limiting groove 252, the inside of the stepped groove 522 is provided with a telescopic block 521, one end of the telescopic block 521 located in the inside of the stepped groove 522 is connected with a spring 523, the other end of the spring 523 is connected with the inner wall of the stepped groove 522, the upper end of the telescopic block 521 extends to the outside of the stepped groove 522; in the process of the fixed plate 4 extending into the inside of the connecting groove 31, the telescopic block 521 is contacted, the telescopic block 521 is driven by the spring 523 to move to the inside of the stepped groove 522, when the stepped groove 522 corresponds to the limiting groove 252, the spring 523 rebounds, drives the telescopic block 521 to extend into the inside of the limiting groove 252, realizes the limiting and fixing of the external high-frequency sensor 2, and through the rotation of the adjusting mechanism 21, the movable plate is contacted with the fixed plate 4, the positioning shaft 241 extends into the inside of the positioning hole 51, so as to facilitate the limiting and fixing of the fixed plate 4, and improve the stability of the connection between the external high-frequency sensor 2 and the mounting plate 3.

[0033] As shown in the figure, Figure 6 The connecting mechanism 6 includes a fixed block 62 fixedly connected to the fixed plate 4 and a rectangular block 61 fixedly connected to the lower end of the mounting plate 3, and a screw shaft 63 arranged outside the fixed block 62, the upper end of the fixed block 62 is provided with a rectangular groove 621 accommodating the rectangular block 61, the outer wall of the rectangular block 61 is provided with a through hole 622 in communication with the rectangular groove 621, the outer wall of the rectangular block 61 is provided with a second threaded hole 611 corresponding to the through hole 622, and the screw shaft 63 is screwed into the through hole 622 and the second threaded hole 611; the mounting plate 3 extends into the inside of the rectangular groove 621 through the rectangular block 61, realizes the connection between the mounting plate 3 and the fixed plate 4, and the screw shaft 63 is screwed into the inside of the rectangular groove 621 and the second threaded hole 611 to fix the rectangular block 61, realizes the fixed connection between the rectangular block 61 and the fixed block 62, thereby realizing the fixed plate 4 between the mounting plate 3 and the fixed plate 4, and facilitating the disassembly and assembly between the mounting plate 3 and the fixed plate 4.

[0034] Working principle of example 1:

[0035] In use, first, the fixed plate 4 is inserted into the connecting groove 31, and the fixed plate 4 is in contact with the telescopic block 521 during the insertion process, and the telescopic block 521 is driven to move into the step groove 522 under the action of the force, when the step groove 522 corresponds to the limiting groove 252, the spring 523 rebounds, drives the telescopic block 521 to extend into the limiting groove 252, realizes the limiting and fixing of the external high-frequency sensor 2, and rotates the handle 211, drives the screw rod 212 to rotate in the fixed cylinder 213, the screw rod 212 drives the sliding block 242 to move, the sliding block 242 moves up and down on the screw rod 212 under the limiting action of the sliding groove 231, drives the movable plate to move, facilitates the contact between the movable block 24 and the fixed plate 4, the positioning shaft 241 extends into the through hole 251 and is connected with the limiting block 5, facilitates the limiting and fixing of the fixed block 62, improves the stability of the external high-frequency sensor 2 and the mounting plate 3, facilitates the disassembly and assembly of the external high-frequency sensor 2 on the monitoring device body 1, convenient transportation, convenient disassembly and assembly.

[0036] It should be noted that, in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A GIS combined electric appliance partial discharge comprehensive on-line monitoring device, comprising a monitoring device body (1) and a plurality of external high-frequency sensors (2), characterized in that: The monitoring device body (1) upper end is fixedly connected with the mounting plate (3), the mounting plate (3) upper end is equipped with the fixed plate (4), a plurality of connecting mechanisms (6) are equipped between the fixed plate (4) and the mounting plate (3), the fixed plate (4) is fixedly connected with the mounting plate (3) through the connecting mechanism (6), a plurality of groups of connecting grooves (31) are equipped on the fixed plate (4) upper end face, a plurality of limiting blocks (5) are connected on the mounting plate (3) upper end, the limiting block (5) extends into the connecting groove (31) inside;The external high-frequency sensor (2) outside is connected with the mounting shell (23), the mounting shell (23) is fixedly connected with the positioning block (25) and movably connected with the movable block (24) on the side wall away from the external high-frequency sensor (2), the movable block (24) is located on the upper end of the positioning block (25), the external high-frequency sensor (2) is fixedly connected with the limiting block (5) through the positioning block (25) extending into the connecting groove (31).

2. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 1, characterized in that: The external high-frequency sensor (2) lower end is connected with the suction cup (22), and the suction cup (22) lower end is equipped with an insulating pad.

3. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 2, characterized in that: The mounting shell (23) upper end outer wall is equipped with the recessed chute (231) inwards, the chute (231) is arranged in a convex shape, and the chute (231) convex end extends to the side wall of the mounting shell (23) away from the external high-frequency sensor (2).

4. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 3, characterized in that: The adjusting mechanism (21) is arranged in the chute (231), the adjusting mechanism (21) comprises a fixed cylinder (213) fixedly connected in the chute (231), and a screw rod (212) connected in the fixed cylinder (213), the screw rod (212) extends to the outside of the chute (231) on the upper end, and the screw rod (212) is connected with the detachable handle (211) on the upper end.

5. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 4, characterized in that: The movable block (24) lower end is connected with a plurality of positioning shafts (241), and the movable block (24) is fixedly connected with the sliding block (242) matched with the chute (231) on the side close to the mounting shell (23), the sliding block (242) outer wall is equipped with the first threaded hole (243), and the sliding block (242) is screwed with the screw rod (212) through the first threaded hole (243).

6. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 1, characterized in that: The positioning block (25) upper end outer wall is equipped with a plurality of through holes (251), the through hole (251) corresponds to the positioning shaft (241), and the positioning block (25) upper end outer wall is equipped with a limiting groove (252) penetrating, and the limiting groove (252) is located between the through holes (251).

7. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 1, characterized in that: The upper end face of the limiting block (5) is provided with a positioning hole (51) penetrating through, the positioning hole (51) corresponds with the penetrating hole (251), the upper end of the limiting block (5) is connected with a telescopic mechanism (52), the telescopic mechanism (52) comprises a stepped groove (522) arranged on the outer wall of the upper end of the limiting block (5), the stepped groove (522) corresponds with the limiting groove (252), the inside of the stepped groove (522) is provided with a telescopic block (521), one end of the telescopic block (521) located in the inside of the stepped groove (522) is connected with a spring (523), the other end of the spring (523) is connected with the inner wall of the stepped groove (522), the upper end of the telescopic block (521) extends to the outside of the stepped groove (522).

8. The partial discharge integrated on-line monitoring device for GIS combination electric appliance according to claim 1, characterized in that: The connecting mechanism (6) comprises a fixed block (62) fixedly connected on the fixed plate (4) and a rectangular block (61) fixedly connected on the lower end of the mounting plate (3), and a screw shaft (63) arranged on the outside of the fixed block (62), the upper end face of the fixed block (62) is provided with a rectangular groove (621) accommodating the rectangular block (61), the outer wall of the rectangular block (61) is provided with a through hole (622) in communication with the rectangular groove (621), the outer wall of the rectangular block (61) is provided with a second threaded hole (611) corresponding with the through hole (622), the screw shaft (63) penetrates through the through hole (622) and is threadedly connected with the second threaded hole (611).

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