CN207133388U - Local discharge test device - Google Patents
Local discharge test device Download PDFInfo
- Publication number
- CN207133388U CN207133388U CN201721181166.3U CN201721181166U CN207133388U CN 207133388 U CN207133388 U CN 207133388U CN 201721181166 U CN201721181166 U CN 201721181166U CN 207133388 U CN207133388 U CN 207133388U
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- CN
- China
- Prior art keywords
- fixed
- radome
- movable balls
- insulating boot
- fix bar
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- Testing Relating To Insulation (AREA)
Abstract
Local discharge test device.Propose the local discharge test device that a kind of synchronism is good, test is accurate and sphere diameter is small.Including cylindric radome and the insulating boot being set in the radome, one end of the insulating boot is provided with fixed connecting plate, the fixed connecting plate is provided with straight line driving mechanism, and the inwall of the insulating boot is provided with some fixed balls, and the fixed ball is symmetrical arranged with the movable balls.The utility model is quickly moved using straight line driving mechanism driving fix bar, movable balls are made to diminish rapidly with fixing the distance between ball, so as to discharge rapidly, insulating boot is provided with the outside of movable balls and fixed ball, whole experiment can be caused to be carried out in metastable environment, and can enough avoids contingency.Radome, influence of the shielding external electrical field to entirely testing so that result of the test is more accurate are provided with outside insulating boot.With the advantages of synchronism is good, test is accurate and sphere diameter is small.
Description
Technical field
The utility model is related to Partial Discharge Detecting Technology field, and in particular to one kind be used for detect electric insulation quality and
The local discharge test device of performance.
Background technology
Shelf depreciation, this electric discharge are also easy to produce because apparatus insulated inside has the defects of being caused in weakness or production process
Although energy very little, be not in the short time influence electrical equipment dielectric strength the problem of, accumulate over a long period, this is slightly
Weak electric discharge will gradually degrade the dielectric properties of insulation and expand local defect, equipment fault be finally resulted in, as one
The nondestructive measuring technology of kind, shelf depreciation measuring technology is by the extensive use of people institute.In the prior art, shelf depreciation is tested
Device is made up of some symmetrically arranged fixed balls and movable balls, and each movable balls have single drive device, right after energization
Claim the synchronism between ball and each Axisymmetric Spherical bad, guiding discharge test result is inaccurate and such design activity ball and fixation
Gap between ball is excessive, and the diameter for causing to fix ball and movable balls is excessive, work of giving up waste material.
Utility model content
The utility model is directed to problem above, it is proposed that the part that a kind of synchronism is good, test is accurate and sphere diameter is small
Discharging tester.
The technical solution of the utility model is：Local discharge test device, including cylindric radome and it is set in institute
The insulating boot in radome is stated, one end of the insulating boot is provided with fixed connecting plate, and the fixed connecting plate drives provided with straight line
Motivation structure, the inwall of the insulating boot are provided with some fixed balls and movable balls, and the fixed ball is symmetrically set with the movable balls
Put, each fixed ball is provided with joint, and the joint is through the insulating boot on the outer wall of the radome；
Fix bar is provided with the radome in the axial direction, the fix bar is provided with some movable balls, the fixation
Bar is driven by straight line driving mechanism, and radome corresponding to the movable balls is provided with joint, and the joint is close to the movable balls
Part be provided with connecting plate, the connecting plate is fixed on insulating boot, and the movable balls contact with the connecting plate.
The fix bar is provided with fixing hole, and latch is provided with the fixing hole, and one end of the latch is provided with movable balls,
The inwall of the fixing hole is provided with insulating barrier, and felt pad is provided between the latch and the fix bar.
The joint includes fixed block and the contiguous block on the fixed block, and the contiguous block passes through the radome
It is connected with the fixed block, part of the contiguous block in the radome is provided with connecting hole, and the contiguous block is located at institute
The part stated outside radome is provided with jack；
The fixed block is fixed on the inwall of the radome and is connected with the contiguous block, and the fixed block includes solid
Determine platform, fixing device is provided with the fixed station, the fixing device includes the connecting pole through the fixed station, the connection
Part of the post in the fixed station is provided with a pair of fixed plates, and the fixed plate is provided with the hole for being used for being fixedly connected with block, institute
Fixed plate is stated with the connecting pole by fixed pin connection, stage clip is provided between the steady pin and the connecting pole.
The utility model is quickly moved using straight line driving mechanism driving fix bar, make movable balls in fix bar with it is symmetrical
The distance between fixation ball diminish rapidly, so as to discharge rapidly.Fix bar makes symmetrical adjustable perpendicular to axis direction position
Ball position approaches, and solving the problems, such as in the past can only be excessive to reduce ball gap by increasing the diameter of ball, while the diameter of ball can be more
It is small.By some movable balls in fix bar, movable balls are synchronized with the movement, and electric discharge between each Axisymmetric Spherical and each Axisymmetric Spherical is had together
Step property.Stage clip is provided between steady pin and the connecting pole.Stage clip ensures that joint area does not produce during ball generates electricity motion
Raw extra displacement, plays a part of buffering, damping.Insulating boot is provided with the outside of movable balls and fixed ball, avoids whole band
Electric partial denudation, whole experiment can be caused to be carried out in metastable environment, and can enough avoids contingency, improves safety
Property.Radome, influence of the shielding external electrical field to entirely testing so that result of the test is more accurate are provided with outside insulating boot.
With the advantages of synchronism is good, test is accurate and sphere diameter is small.
Brief description of the drawings
Fig. 1 is the structural representation of local discharge test device,
Fig. 2 is the connection structure diagram of movable balls and fix bar,
Fig. 3 is the structure chart of joint；
In figure, 1 is fixed connecting plate, and 2 be fix bar, and 3 be movable balls, and 4 be fixed ball, and 5 be connecting plate,
6 be joint, and 61 be contiguous block, and 611 be connecting hole, and 612 be jack, and 62 be fixed block, and 621 be steady pin, and 622 are
Stage clip, 623 be fixed station, and 624 be fixing device, and 6241 be connecting pole, and 6242 be fixed plate,
7 be felt pad, and 8 be radome, and 9 be insulating boot, and 10 be fixing hole, and 11 be latch.
Embodiment
As Figure 1-3, including cylindric radome 8 and the insulating boot 9 that is set in the radome 8, it is described absolutely
One end of edge cover 9 is provided with fixed connecting plate 1, and the fixed connecting plate 1 is provided with straight line driving mechanism, the insulating boot 9 it is interior
Wall is provided with some fixed balls 4 and movable balls 3, and the fixed ball 4 is symmetrical arranged with the movable balls 3, each fixed ball 4
Joint 6 is provided with, the joint 6 is through the insulating boot 9 on the outer wall of the radome 8；
Fix bar 2 is provided with the radome 8 in the axial direction, the fix bar 2 is provided with some movable balls 3, described
Fix bar 2 is driven by straight line driving mechanism, and radome 8 corresponding to the movable balls 3 is provided with joint 6, and the joint 6 is close to institute
The part for stating movable balls 3 is provided with connecting plate 5, and the connecting plate 5 is fixed on insulating boot 9, the movable balls 3 and the connecting plate
5 contacts.Straight line driving mechanism can be hydraulic drive mechanism or pneumatic mechanism, drive fix bar 2 fast using straight line driving mechanism
Speed motion, the movable balls 3 in fix bar 2 are made to diminish rapidly with symmetrical the distance between ball 4 of fixing, so as to discharge rapidly.Gu
Fixed pole 2 is closely located to Axisymmetric Spherical adjustable perpendicular to axis direction position, solves by increasing the diameter of ball to subtract in the past
The problem of bead gap is excessive, while the diameter of ball can be smaller.By some movable balls 3 in fix bar 2, movable balls 3 are synchronous
Motion, make electric discharge between each Axisymmetric Spherical and each Axisymmetric Spherical that there is synchronism.
Insulating boot 9 is provided with the outside of movable balls 3 and fixed ball 4, avoids whole live part exposed, can be caused whole
Experiment is carried out in metastable environment, and and can enough avoids contingency, improves security.Screen is provided with outside insulating boot 9
Cover cover 8, influence of the shielding external electrical field to entirely testing so that result of the test is more accurate.
The fix bar 2 is provided with fixing hole 10, is provided with latch 11 in the fixing hole 10, one end of the latch 11 is set
There are movable balls 3, the inwall of the fixing hole 10 is provided with insulating barrier, and insulation is provided between the latch 11 and the fix bar 2
Pad 7.Felt pad 7 and insulating barrier enable to form insulation between movable balls 3 and fix bar 2 in discharge process, can protect
Straight line driving mechanism has good insulating properties in the course of the work, avoids the generation of electric shock industrial accident, safeguard work personnel's
Personal safety.
The joint 6 includes fixed block 62 and the contiguous block 61 on the fixed block 62, and the contiguous block 61 passes through
The radome 8 is connected with the fixed block 62, and part of the contiguous block 61 in the radome 8 is provided with connecting hole
611, part of the contiguous block 61 outside the radome 8 is provided with jack 612；The fixed block 62 is fixed on the shielding
It is connected on the inwall of cover 8 and with the contiguous block 61, the fixed block 62 includes fixed station 623, is provided with the fixed station 623
Fixing device 624, the fixing device 624 include the connecting pole 6241 through the fixed station 623, and the connecting pole 6241 is set
A pair of fixed plates 6242 are provided with the part in the fixed station 623, the fixed plate 6242, which is provided with, to be used to be fixedly connected with block
61 hole, the fixed plate 6242 are connected with the connecting pole by steady pin 621, the steady pin 621 and the connecting pole
Stage clip 622 is provided between 6241.Stage clip 622 ensures that the position of joint 6 does not produce extra displacement during ball generates electricity motion,
Play a part of buffering, damping.
Claims (3)
1. local discharge test device, including cylindric radome and the insulating boot that is set in the radome, it is described absolutely
One end of edge cover is provided with fixed connecting plate, and the fixed connecting plate is provided with straight line driving mechanism, it is characterised in that the insulation
The inwall of cover is provided with some fixed balls and movable balls, and the fixed ball is symmetrical arranged with the movable balls, each fixation
Ball is provided with joint, and the joint is through the insulating boot on the outer wall of the radome；
Be provided with fix bar in the radome in the axial direction, the fix bar is provided with some movable balls, the fix bar by
Straight line driving mechanism drives, and radome corresponding to the movable balls is provided with joint, and the joint is close to the portion of the movable balls
Connecting plate is arranged with, the connecting plate is fixed on insulating boot, and the movable balls contact with the connecting plate.
2. local discharge test device according to claim 1, it is characterised in that the fix bar is provided with fixing hole,
Latch is provided with the fixing hole, one end of the latch is provided with movable balls, and the inwall of the fixing hole is provided with insulating barrier, institute
State and felt pad is provided between latch and the fix bar.
3. local discharge test device according to claim 1, it is characterised in that the joint includes fixed block and is located at
Contiguous block on the fixed block, the contiguous block are connected through the radome with the fixed block, and the contiguous block is located at
Part in the radome is provided with connecting hole, and part of the contiguous block outside the radome is provided with jack；
The fixed block is fixed on the inwall of the radome and is connected with the contiguous block, and the fixed block includes fixing
Platform, the fixed station is interior to be provided with fixing device, and the fixing device includes the connecting pole through the fixed station, the connecting pole
Part in the fixed station is provided with a pair of fixed plates, and the fixed plate is provided with the hole for being used for being fixedly connected with block, described
Fixed plate, by fixed pin connection, is provided with stage clip with the connecting pole between the steady pin and the connecting pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181166.3U CN207133388U (en) | 2017-09-14 | 2017-09-14 | Local discharge test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181166.3U CN207133388U (en) | 2017-09-14 | 2017-09-14 | Local discharge test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133388U true CN207133388U (en) | 2018-03-23 |
Family
ID=61638759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721181166.3U Active CN207133388U (en) | 2017-09-14 | 2017-09-14 | Local discharge test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207133388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007203A (en) * | 2019-05-07 | 2019-07-12 | 国网上海市电力公司 | A kind of high-tension cable pressure test component |
-
2017
- 2017-09-14 CN CN201721181166.3U patent/CN207133388U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007203A (en) * | 2019-05-07 | 2019-07-12 | 国网上海市电力公司 | A kind of high-tension cable pressure test component |
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