CN216816853U

CN216816853U - Partial discharge on-line monitoring device based on ultrahigh frequency technology

Info

Publication number: CN216816853U
Application number: CN202122207520.8U
Authority: CN
Inventors: 洪晓耕; 徐鲁涛
Original assignee: Fuzhou Langrui Electric Technology Co ltd
Current assignee: Fuzhou Langrui Electric Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-06-24
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses an on-line monitoring device for partial discharge based on ultrahigh frequency technology, which comprises a cabinet body and a monitoring device arranged in the cabinet body, wherein a partition plate is arranged at the lower part of an inner cavity of the cabinet body, a taking and placing plate is arranged in the cabinet body, screw rods are rotatably arranged at two sides of the partition plate and are in threaded connection with the taking and placing plate, a driving cavity is formed between the partition plate and the bottom of the cabinet body, a bevel gear is fixedly arranged at the bottom end of each screw rod, a bidirectional motor is arranged in the middle of the driving cavity, driving rods are connected with output shafts at two sides of the bidirectional motor, a driving gear meshed with the bevel gear is arranged at one end, which is far away from each other, of the two driving rods, extension plates are symmetrically arranged at two inner walls of the inner cavity of the cabinet body, the top ends of the screw rods penetrate through the extension plates and are in rotary connection with the extension plates, a cover plate is rotatably arranged at the top of the cabinet body, and a resisting component for resisting the monitoring device is arranged on the cover plate, the utility model, the taking and placing plate capable of sliding up and down is arranged on the cover plate, the monitoring device is convenient to take out, maintain or replace, and the maintenance or replacement convenience of the monitoring device body is greatly improved.

Description

Partial discharge on-line monitoring device based on ultrahigh frequency technology

Technical Field

The utility model relates to the technical field of partial discharge online monitoring devices, in particular to a partial discharge online monitoring device based on an ultrahigh frequency technology.

Background

The switch cabinet partial discharge on-line monitoring device can be simultaneously connected with and manage a plurality of paths of partial discharge signal collectors, collects partial discharge signals detected by the signal collectors in real time, integrates data by taking each phase of cable as a unit to form a complete cable partial discharge signal, and a partial discharge monitoring host comprehensively analyzes information such as the discharge amount and the discharge type of partial discharge, sends out early warning or alarm prompt according to a set alarm value to remind operation and maintenance personnel to take proper measures in time; compared with the traditional oscillation wave partial discharge detection, the switch cabinet partial discharge on-line monitoring device measures the partial discharge in the uninterrupted power state of the high-voltage cable, carries out all-dimensional monitoring on a cable body, a cable joint and a terminal head and evaluates the development trend of the partial discharge.

Current on-line monitoring device, all be with monitoring device's body direct through the inside of a plurality of bolt fastening at the cubical switchboard, when monitoring device needs the maintenance, because cubical switchboard inner space is less, need dismantle monitoring device, this process is more troublesome, influences maintenance efficiency, and current monitoring device does not have protection architecture simultaneously, damages easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ultrahigh frequency technology-based partial discharge online monitoring device to solve the technical problems.

In order to achieve the purpose, the utility model provides the following technical scheme: an on-line monitoring device for partial discharge based on ultrahigh frequency technology comprises a cabinet body and a monitoring device arranged in the cabinet body, wherein a partition plate is arranged at the lower part of an inner cavity of the cabinet body, a taking and placing plate for placing the monitoring device is arranged above the partition plate of the cabinet body, lead screws are rotatably arranged at two sides of the partition plate, the two lead screws penetrate through the taking and placing plate and are positioned at two sides of the monitoring device and in threaded connection with the taking and placing plate, a driving cavity is formed between the partition plate and the bottom of the cabinet body, the bottom ends of the lead screws extend into the driving cavity, bevel gears are fixedly arranged at the bottom ends of the lead screws, a two-way motor is arranged in the middle of the driving cavity, output shafts at two sides of the two-way motor are connected with driving rods, one ends of the two driving rods, which are far away from each other, are provided with driving gears meshed with the bevel gears, extension plates are symmetrically arranged on the inner walls at two sides of the inner cavity of the cabinet body, the top ends of the lead screws penetrate through the extension plates and are in rotatable connection with the extension plates, the top of the cabinet body is rotatably provided with a cover plate, and the cover plate is provided with a tightening assembly used for tightening the monitoring device.

Preferably, one side at the top of the cabinet body is provided with a clamping block, the clamping blocks are symmetrically arranged on the front side and the rear side of the cabinet body, the cover plate penetrates through two clamping blocks and the cover plate through pin rods, the clamping blocks and the cover plate are rotatably arranged on the cabinet body, one side, away from the clamping blocks, of the cabinet body is provided with an embedded block, the embedded block is symmetrically arranged on the front side and the rear side of the cabinet body, and the embedded block is provided with a bolt for fixing the cover plate.

Preferably, a plate groove is formed in the end face, located in the inner cavity of the cabinet body, of one side of the cover plate, the fixing piece comprises a supporting plate arranged in the plate groove, the bottom end of the supporting plate is made of rubber, the fixing piece further comprises a screw rod connected to the cover plate in a threaded mode, a third bearing is embedded in the top end of the bottom plate, and the bottom end of the screw rod is fixed in an inner ring of the third bearing.

Preferably, guide rods are symmetrically arranged on two sides of the abutting plate and penetrate through the cover plate to be in sliding connection with the cover plate.

Preferably, the first bearings are embedded in the two sides of the partition plate, the second bearings are embedded in the extension plate, the upper end and the lower end of the screw rod are respectively fixed in the inner rings of the second bearings and the first bearings, the screw rod is in rotating connection with the partition plate through the matching with the first bearings, and the screw rod is in rotating connection with the extension plate through the matching with the second bearings.

Preferably, get and put board top end face and be equipped with the frame section bar that supplies monitoring devices card to go into, one side opening that frame section bar supplied monitoring devices card to go into is equipped with the inclined plane, frame section bar is the rubber material.

Compared with the prior art, the utility model has the beneficial effects that:

this ultrahigh frequency technology partial discharge on-line monitoring device, supply getting that monitoring device placed to put the board through setting up, the internal baffle that is equipped with of cabinet, rotate on the baffle and set up and get the lead screw of putting board threaded connection, set up drive lead screw pivoted two-way motor in the drive intracavity, can lift out the cabinet body through getting the board of putting when monitoring device needs to damage, maintain or change again, convenient and fast, maintain or change again with monitoring device card to getting in the frame type strip of putting the board, cover the apron, and support the board through the screw drive on the apron and support tight monitoring device top, thereby fix monitoring device, the convenience of maintenance or change to monitoring device has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an explanatory view of the whole of the present embodiment;

fig. 2 is a schematic top view of the present embodiment.

In the drawings, the reference numbers indicate the following list of parts:

1. a cabinet body; 2. a monitoring device; 3. a partition plate; 4. taking and placing the plate; 5. a screw rod; 6. a drive chamber; 7. a bevel gear; 8. a bi-directional motor; 9. a drive rod; 10. a drive gear; 11. an extension plate; 12. a cover plate; 13. A clamping block; 14. an insert block; 15. a bolt; 16. a resisting plate; 17. a screw; 18. a third bearing; 19. a guide bar; 20. a first bearing; 21. a second bearing; 22. a frame-shaped strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an on-line monitoring device 2 based on ultrahigh frequency technology partial discharge comprises a cabinet body 1 and a monitoring device 2 arranged in the cabinet body 1, wherein a partition plate 3 is arranged at the lower part of an inner cavity of the cabinet body 1, a taking and placing plate 4 for placing the monitoring device 2 is arranged above the partition plate 3 of the cabinet body 1, lead screws 5 are rotatably arranged at two sides of the partition plate 3, the two lead screws 5 penetrate through the taking and placing plate 4 and are positioned at two sides of the monitoring device 2 and are in threaded connection with the taking and placing plate 4, a driving cavity 6 is formed between the partition plate 3 and the bottom of the cabinet body 1, the bottom end of each lead screw 5 extends into the driving cavity 6, a bevel gear 7 is fixedly arranged at the bottom end of each lead screw 5, a two-way motor 8 is arranged in the middle of the driving cavity 6, driving rods 9 are connected to output shafts at two sides of the two-way motor 8, and a driving gear 10 meshed with the bevel gear 7 is arranged at one end, which is far away from each other, of the two driving rods 9, the cabinet body 1 both sides inner wall symmetry of inner chamber is equipped with

extension board

11, 5 tops of lead screw run through extension board 11 and form to rotate with extension board 11 and be connected, cabinet body 1 top is rotated and is provided with apron 12, be equipped with on the apron 12 and be used for supporting tight monitoring devices 2 support tight subassembly.

Specifically, one side at the top of the cabinet body 1 is provided with a clamping block 13, the clamping block 13 is symmetrically arranged on the front side and the rear side of the cabinet body 1, the cover plate 12 penetrates through two through a pin rod, the clamping block 13 and the cover plate 12 are rotatably arranged on the cabinet body 1, one side, away from the clamping block 13, of the cabinet body 1 is provided with an embedded block 14, the embedded block 14 is symmetrically arranged on the front side and the rear side of the cabinet body 1, and the embedded block 14 is provided with a bolt 15 for fixing the cover plate 12.

Specifically, a side end face of the cover plate 12 located in the inner cavity of the cabinet body 1 is provided with a plate groove, the fixing part comprises a supporting plate 16 arranged in the plate groove, the bottom end of the supporting plate 16 is made of rubber, the fixing part further comprises a screw rod 17 connected to the cover plate 12 in a threaded mode, a third bearing 18 is embedded in the top end of the bottom plate, the bottom end of the screw rod 17 is fixed to the inner ring of the third bearing 18, the supporting plate 16 can be driven to compress the top of the monitoring device 2 by rotating the screw rod 17, and the monitoring device 2 can be fixed by the aid of a matched frame strip 22.

Specifically, guide rods 19 are symmetrically arranged on two sides of the abutting plate 16, the guide rods 19 penetrate through the cover plate 12 and are in sliding connection with the cover plate 12, and when the screw 17 drives the abutting plate 16 to move, the abutting plate 16 can be prevented from rotating.

Specifically, first bearings 20 are embedded in two sides of the partition plate 3, second bearings 21 are embedded in the extension plate 11, the upper end and the lower end of the screw rod 5 are fixed in inner rings of the second bearings 21 and the first bearings 20 respectively, the screw rod 5 is rotatably connected with the partition plate 3 through the matching with the first bearings 20, and the screw rod 5 is rotatably connected with the extension plate 11 through the matching with the second bearings 21.

Specifically, get and put 4 top end faces of board and be equipped with the frame section bar 22 that supplies monitoring devices 2 card to go into, one side opening that frame section bar 22 supplies monitoring devices 2 card to go into is equipped with the inclined plane, frame section bar 22 is the rubber material, and the card of the monitoring devices 2 bottom of being convenient for through this mode is gone into in fixed.

One specific application example of this embodiment is:

when the device is used, when the monitoring device 2 needs to be maintained or replaced, the bolt 15 is loosened, the cover body is rotated to open, the two-way motor 8 is driven, the two-way motor 8 drives the driving rod 9 to rotate, the driving rod 9 rotates and drives the screw rod 5 to rotate through the meshing of the driving gear 10 and the bevel gear 7, the screw rod 5 rotates to drive the taking and placing plate 4 to move upwards, the taking and placing plate 4 moves upwards to take the monitoring device 2 out of the cabinet body 1, then the monitoring device 2 is taken out from the frame strip 22 by applying force to carry out maintenance or replacement, the maintenance or replacement is convenient and rapid, the monitoring device 2 is clamped into the frame strip 22 after the maintenance or replacement is finished, the driving rod 9 on the two-way motor 8 is driven to rotate reversely to drive the taking and placing plate 4 to move to be in contact with the partition plate 3, the cover plate 12 is covered by rotating, the bolt 15 fixes a steel plate, the screw rod 17 is rotated, the screw rod 17 rotates to drive the abutting plate 16 to slide downwards, under the sliding connection action of the guide rod 19 and the cover plate 12, the abutting plate 16 slides downwards stably until abutting against the top of the monitoring device 2, so that the monitoring device 2 is fixed, the maintenance or replacement efficiency of the monitoring device 2 is improved, and the number of screws required for fixing the monitoring device 2 is reduced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a based on ultrahigh frequency technique partial discharge on-line monitoring device, includes the cabinet body (1) and sets up monitoring devices (2) in the cabinet body (1), its characterized in that: the intelligent monitoring cabinet is characterized in that a partition plate (3) is arranged on the lower portion of an inner cavity of the cabinet body (1), a taking and placing plate (4) for placing a monitoring device (2) is arranged above the partition plate (3) of the cabinet body (1), lead screws (5) are rotatably arranged on two sides of the partition plate (3), the two lead screws (5) penetrate through the taking and placing plate (4), are arranged on two sides of the monitoring device (2) and are in threaded connection with the taking and placing plate (4), a driving cavity (6) is formed between the partition plate (3) and the bottom of the cabinet body (1), the bottom ends of the lead screws (5) extend into the driving cavity (6), bevel gears (7) are fixedly arranged at the bottom ends of the lead screws (5), a two-way motor (8) is arranged in the middle of the driving cavity (6), driving rods (9) are connected to output shafts on two sides of the two-way motor (8), and a driving gear (10) meshed with the bevel gears (7) is arranged at one end, which is far away from each other end of the two driving rods (9), the cabinet body (1) both sides inner wall symmetry of inner chamber is equipped with extension board (11), lead screw (5) top is run through extension board (11) and is connected with extension board (11) formation rotation, the cabinet body (1) top is rotated and is provided with apron (12), be equipped with on apron (12) and be used for supporting tight subassembly of supporting of tight monitoring devices (2).

2. The on-line monitoring device for partial discharge based on the ultrahigh frequency technology, according to claim 1, is characterized in that: one side at the top of the cabinet body (1) is equipped with fixture block (13), fixture block (13) symmetry sets up in both sides around the cabinet body (1), apron (12) run through two through the pin rod fixture block (13) rotate with apron (12) and set up on the cabinet body (1), one side that fixture block (13) was kept away from to the cabinet body (1) is equipped with abaculus (14), abaculus (14) symmetry sets up in both sides around the cabinet body (1), be equipped with bolt (15) that are used for fixed cover plate (12) on abaculus (14).

3. The on-line monitoring device for partial discharge based on the ultrahigh frequency technology, according to claim 1, is characterized in that: the side end face of the cover plate (12) located in the inner cavity of the cabinet body (1) is provided with a plate groove, the fixing part comprises a supporting plate (16) arranged in the plate groove, the bottom end of the supporting plate (16) is made of rubber, the fixing part further comprises a screw rod (17) connected to the cover plate (12) in a threaded mode, a third bearing (18) is embedded into the top end of the bottom plate, and the bottom end of the screw rod (17) is fixed in an inner ring of the third bearing (18).

4. The on-line monitoring device for partial discharge based on the ultrahigh frequency technology, according to claim 3, is characterized in that: guide rods (19) are symmetrically arranged on two sides of the abutting plate (16), and the guide rods (19) penetrate through the cover plate (12) and are in sliding connection with the cover plate (12).

5. The on-line monitoring device for partial discharge based on the ultrahigh frequency technology, according to claim 1, is characterized in that: the both sides of baffle (3) are inlayed and are equipped with first bearing (20), it is equipped with second bearing (21) to inlay on extension plate (11), in the upper and lower both ends of lead screw (5) were fixed in the inner circle of second bearing (21) and first bearing (20) respectively, lead screw (5) formed to rotate with baffle (3) through the cooperation with first bearing (20) and are connected, lead screw (5) formed to rotate with extension plate (11) through the cooperation with second bearing (21) and are connected.

6. The on-line monitoring device for partial discharge based on the ultrahigh frequency technology, according to claim 1, is characterized in that: get and put board (4) top end face and be equipped with frame section bar (22) that supply monitoring devices (2) card to go into, one side opening that frame section bar (22) supply monitoring devices (2) card to go into is equipped with the inclined plane, frame section bar (22) are the rubber material.