CN216144903U

CN216144903U - Switch cabinet partial discharge detection device

Info

Publication number: CN216144903U
Application number: CN202122018473.2U
Authority: CN
Inventors: 毕平劲; 蒋绍涛; 李新初
Original assignee: Wuhan Xinkaiyuan Electronics Co ltd
Current assignee: Wuhan Xinkaiyuan Electronics Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-29
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a switch cabinet partial discharge detection device, which comprises a discharge detector body and a fixed seat, wherein a first surface and a second surface which are distributed in a step manner are formed at the top of the fixed seat; a restraint plate is erected on the fixed seat, a connecting piece is arranged between the restraint plate and the second surface, and an installation cavity is formed between the restraint plate and the first surface; the restraint plate is also provided with a mounting seat for bearing the discharge detector body; and a lifting assembly connected with the mounting seat is arranged in the mounting cavity and used for driving the mounting seat to lift along the vertical direction. The utility model has the beneficial effects that: this cubical switchboard partial discharge detection device drives the detector body that discharges through lifting unit and goes up and down, and stability is higher, compares handheld measurement accuracy and promotes greatly, has not only reduced operating personnel's intensity of labour, has still avoided handheld instability simultaneously, has ensured the accuracy of testing result, has effectively improved the rate of accuracy of testing result.

Description

Switch cabinet partial discharge detection device

Technical Field

The utility model relates to the technical field of discharge detection, in particular to a switch cabinet partial discharge detection device.

Background

Partial discharge refers to a discharge at a partial location of an insulation, which does not constitute a through-breakdown of the entire insulation, and comprises three discharge forms: internal discharge inside the medium, creeping discharge at the surface of the medium, corona discharge at the electrode tip. Each time, the local discharge has some influence on an insulating medium, the slight local discharge has small influence on the insulation of the power equipment, and the reduction of the insulation strength is slow; and strong partial discharge causes a rapid decrease in the dielectric strength. This is an important factor in causing insulation damage of high-voltage electric power equipment. Therefore, the equipment in operation needs to be monitored frequently, and when the partial discharge exceeds a certain degree, the equipment is taken out of operation and is repaired or replaced.

The existing partial discharge detection device usually adopts an ultrasonic detection device to carry out detection operation, and an operator needs to carry out handheld operation for a long time during detection, so that the labor intensity of the operator is increased; meanwhile, when handheld operation is carried out for a long time, instability exists in handheld operation, the detection result is easily affected, and the detection result has large errors.

SUMMERY OF THE UTILITY MODEL

The utility model provides a switch cabinet partial discharge detection device aiming at the technical problems in the prior art, and aims to solve the problems that the existing discharge detection device needs to be detected by hands and is poor in stability.

The technical scheme for solving the technical problems is as follows: a switch cabinet partial discharge detection device comprises a discharge detector body and a fixed seat, wherein a first surface and a second surface which are distributed in a stepped manner are formed at the top of the fixed seat; a restraint plate is erected on the fixed seat, a connecting piece is arranged between the restraint plate and the second surface, and an installation cavity is formed between the restraint plate and the first surface; the restraint plate is also provided with a mounting seat for bearing the discharge detector body; and a lifting assembly connected with the mounting seat is arranged in the mounting cavity and used for driving the mounting seat to lift along the vertical direction.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the lifting assembly comprises a support rod; an adjusting knob is arranged outside the supporting rod, and external threads are formed at the bottom end of the supporting rod; the first surface is provided with internal threads matched with the bottom end of the supporting rod; and the restraint plate is provided with a guide hole matched with the top end of the support rod.

Furthermore, the top end of the supporting rod is connected with a limiting cylinder; and a support column is movably inserted in the limiting cylinder.

Furthermore, the restraint plate is further provided with guide rails arranged in the vertical direction, and sliding blocks connected with the support columns are arranged in the guide rails.

Furthermore, the top of support column still is provided with the rolling bearing who links to each other with the mount pad.

Further, the adjusting knob is of a hexagonal prism structure.

Further, still be provided with on the mount pad and can dismantle the centre gripping subassembly of being connected with the detector body that discharges.

Further, the clamping assembly comprises two groups of oppositely arranged clamping plates; two splint one side of the back of the body mutually all is provided with the elastic support piece who is used for supporting splint for promote two splint to be close to in order to press from both sides tight discharge detector body.

The utility model has the beneficial effects that: this cubical switchboard partial discharge detection device drives the detector body that discharges through lifting unit and goes up and down, and stability is higher, compares handheld measurement accuracy and promotes greatly, has not only reduced operating personnel's intensity of labour, has still avoided handheld instability simultaneously, has ensured the accuracy of testing result, has effectively improved the rate of accuracy of testing result.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of a portion of the support post of the present invention;

FIG. 4 is a partial schematic view of a clamping assembly according to the present invention.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as if they were connected either fixedly or removably, or as integrally formed structures. To those of ordinary skill in the art, the specific meaning of such terms in this patent may be understood as appropriate.

The utility model also provides a preferred embodiment

As shown in fig. 1 and fig. 2, the switch cabinet partial discharge detection device of the present utility design includes a discharge detector body 1, and the discharge detector body 1 may be a battery discharge detector with MSP430 as a control core. The switch cabinet partial discharge detection device further comprises a fixed seat 2, wherein a first surface 21 and a second surface 22 which are distributed in a stepped manner are formed at the top of the fixed seat 2; a restraint plate 3 is erected on the fixed seat 2, a connecting piece 4 is arranged between the restraint plate 3 and the second surface 22, and an installation cavity is formed between the restraint plate 3 and the first surface 21; the restraint plate 3 is also provided with a mounting seat 5 for bearing the discharge detector body 1; and a lifting component 6 connected with the mounting seat 5 is arranged in the mounting cavity and used for driving the mounting seat 5 to lift along the vertical direction. Accessible fixing base 2 arranges whole partial discharge detection device near waiting to detect the cubical switchboard in the use, drives discharge detector body 1 through lifting unit 6 and goes up and down, and stability is higher, compares handheld measuring accuracy and promotes greatly, has not only reduced operating personnel's intensity of labour, has still avoided handheld instability simultaneously, has ensured the accuracy of testing result, has effectively improved the rate of accuracy of testing result.

In this embodiment, the lifting assembly 6 includes a support rod 61; an adjusting knob 62 is arranged outside the supporting rod 61, and the adjusting knob 62 is of a hexagonal prism structure; the bottom end of the supporting rod 61 is provided with an external thread; the first surface 21 is provided with internal threads matched with the bottom ends of the support rods 61; the restraint plate 3 is provided with a guide hole 3a matched with the top end of the support rod 61. The supporting rod 61 is driven to rotate positively and negatively by rotating the adjusting knob 62, and the stable lifting of the whole supporting rod 61 is realized under the matching of the bottom end internal thread and the first surface 21 external thread. In addition, the top end of the support rod 61 is connected with a limiting cylinder 63; support column 64 is movably inserted in limiting cylinder 63, and support rod 61 rotates in the lifting process, so that synchronous rotation of mounting base 5 can be avoided in the matching mode of limiting cylinder 63 and support column 64, and lifting can be realized only by ensuring mounting base 5. As shown in fig. 3, the top end of the supporting column 64 is further provided with a rotating bearing 66 connected with the mounting seat 5, the rotating bearing 66 can assist in adjusting the angle of the mounting seat 5 to change the detection direction, so that the detection work of different heights and different directions can be met, the time required by detection can be greatly shortened, the working time of an operator is shortened, and the detection efficiency of the operator is effectively improved.

It should be noted that, in order to avoid that the supporting rod 61 can drive the supporting column 64 to deflect in the lifting process, the constraining plate 3 is further provided with a guide rail 65 arranged in the vertical direction, a slider 651 connected to the supporting column 64 is arranged in the guide rail 65, and the supporting column 64 is further limited to move only in the vertical direction without deflection under the limitation of the guide rail 65, so that the situation that the deviation does not occur in the detection process is ensured, and the measurement accuracy is ensured.

As shown in fig. 4, in this embodiment, a clamping assembly 7 detachably connected to the discharge detector body 1 is further disposed on the mounting base 5, and the clamping assembly 7 includes two sets of clamping plates 71 disposed oppositely; the two clamping plates 71 are provided with elastic supporting pieces 72 on opposite sides for supporting the clamping plates 71, and the elastic supporting pieces are used for pushing the two clamping plates 71 to approach to clamp the discharge detector body 1. Elastic support element 72 can adopt the mode that spring and spring holder match to support splint 71, makes things convenient for staff's dismouting discharge detector body 1, and is more convenient. Through the detachable mounting mode, can change or maintain at any time when the detector body goes wrong, avoid influencing detection efficiency because of the problem of detector body, further improve operating personnel's detection efficiency

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The partial discharge detection device of the switch cabinet comprises a discharge detector body (1) and is characterized by further comprising a fixed seat (2), wherein a first surface (21) and a second surface (22) which are distributed in a stepped mode are formed at the top of the fixed seat (2); a restraint plate (3) is erected on the fixed seat (2), a connecting piece (4) is arranged between the restraint plate (3) and the second surface (22), and an installation cavity is formed between the restraint plate and the first surface (21); the restraint plate (3) is also provided with a mounting seat (5) for bearing the discharge detector body (1); and a lifting assembly (6) connected with the mounting seat (5) is arranged in the mounting cavity and used for driving the mounting seat (5) to lift along the vertical direction.

2. The switchgear partial discharge detection apparatus according to claim 1, characterized in that the lifting assembly (6) comprises a support bar (61); an adjusting knob (62) is arranged outside the supporting rod (61), and an external thread is formed at the bottom end of the supporting rod (61); the first surface (21) is provided with internal threads matched with the bottom end of the supporting rod (61); the restraint plate (3) is provided with a guide hole (3a) matched with the top end of the support rod (61).

3. The switch cabinet partial discharge detection device according to claim 2, wherein a limiting cylinder (63) is connected to the top end of the support rod (61); a support column (64) is movably inserted in the limiting cylinder (63).

4. The switch cabinet partial discharge detection device according to claim 3, wherein the constraint plate (3) is further provided with a guide rail (65) arranged along a vertical direction, and a slider (651) connected with a support column (64) is arranged in the guide rail (65).

5. The switch cabinet partial discharge detection device according to claim 3, characterized in that the top end of the supporting column (64) is further provided with a rotating bearing (66) connected with the mounting seat (5).

6. The switchgear partial discharge detection apparatus according to claim 2, wherein the adjusting knob (62) has a hexagonal prism structure.

7. The switch cabinet partial discharge detection device according to claim 1, wherein a clamping assembly (7) detachably connected with the discharge detector body (1) is further arranged on the mounting seat (5).

8. The switchgear partial discharge detection apparatus according to claim 7, characterized in that the clamping assembly (7) comprises two sets of oppositely arranged clamping plates (71); and elastic supporting pieces (72) used for supporting the clamping plates (71) are arranged on the opposite sides of the two clamping plates (71) and used for pushing the two clamping plates (71) to be close to clamp the discharge detector body (1).