CN206311712U - A kind of experimental rig for simulating solid insulating material bubble-discharge defect - Google Patents
A kind of experimental rig for simulating solid insulating material bubble-discharge defect Download PDFInfo
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- CN206311712U CN206311712U CN201720010410.3U CN201720010410U CN206311712U CN 206311712 U CN206311712 U CN 206311712U CN 201720010410 U CN201720010410 U CN 201720010410U CN 206311712 U CN206311712 U CN 206311712U
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Abstract
The utility model is including high-voltage connection, insulated isolation cover, high-field electrode, multiple bubble-discharge model and earth electrode on a kind of experimental rig for simulating solid insulating material bubble-discharge defect.Wherein, insulated isolation cover is located at and confined space is formed on earth electrode, and high-field electrode and air gap discharging model are respectively positioned in confined space, and bubble-discharge model is fixed on earth electrode, and high-field electrode is fixed on bubble-discharge model；High-voltage connection is connected through branch's lead by change-over switch with high-field electrode；Earth electrode is connected by ground wire with the earth.The utility model sets the bubble-discharge defect model of multiple different sizes, can be according to operating condition of test free switching defect model during experiment, different size of insulative air gap defect is simulated then in conjunction with parts such as high-field electrode, earth electrodes is tested, can accurately and efficiently judge whether the insulating properties of high voltage electric equipment solid insulating material are good.
Description
Technical field
The utility model is related to solid insulating material defect test technical field, more particularly to a kind of exhausted for simulating solid
The experimental rig of edge material bubble-discharge defect.
Background technology
The quality of Insulating Performance for HV Electric Equipments directly affects the safe operation of network system.Epoxy resin, crosslinking
The materials such as polyethylene are solid insulating materials main on high voltage electric equipment, in the life of these solid insulating material molds shaping
During product, due to reasons such as manufacturing technology level, operating personnel's technical merit and material self characters, this is frequently can lead to
Micro-bubble is carried in a little solid insulating materials, is network system so as to the insulating properties for causing high voltage electric equipment are destroyed
Safe operation bring hidden danger.Therefore, insulating properties fault detection is carried out to the solid insulating material of high voltage electric equipment is
Major issue.
In the prior art, it is generally straight in order to carry out insulating properties fault detection to high voltage electric equipment solid insulating material
Connect and cut test specimen from the high voltage electric equipment insulation system of shaping or manually set test specimen, then, for this
A little test specimens, carry out ac voltage withstanding or Partial Discharge Detection, according to exchange using methods such as pulse current method, X-ray detection X methods
Whether pressure-resistant or Partial Discharge Detection result is good to judge the insulating properties of high voltage electric equipment solid insulating material.
However, the method that insulating properties fault detection is carried out to high voltage electric equipment solid insulating material above, simply exists
Be improved in the method for inspection, and directly from shaping high voltage electric equipment insulation system in cut test specimen, cause difficulty
Whether disturbed by void defects or other defect with the insulating properties for determining cut test specimen.In addition, test sample
Product are using the artificial sampling mode for setting so that air gap shape and size are difficult to control to, for the development of experiment brings difficulty.
Utility model content
To overcome problem present in correlation technique, the utility model provides a kind of simulation solid insulating material bubble-discharge
The experimental rig of defect.
A kind of experimental rig for simulating solid insulating material bubble-discharge defect, including：High-voltage connection, insulated isolation cover,
High-field electrode, multiple bubble-discharge models and earth electrode；Wherein, the insulated isolation cover is located at shape on the earth electrode
Into confined space, the high-field electrode and air gap discharging model are respectively positioned in the confined space, and the bubble-discharge model
It is fixed on the earth electrode, the high-field electrode is fixed on the bubble-discharge model；The high-voltage connection is by turning
Switch is changed to be connected with the high-field electrode through branch's lead；The earth electrode is connected by ground wire with the earth.
Preferably, the bubble-discharge model includes being provided through institute on solid insulation block, and the solid insulation block
The cavity of solid insulation block is stated, the upper surface of the solid insulation block contacts with the high-field electrode.
Preferably, the specification of multiple bubble-discharge models is differed, and is led between multiple bubble-discharge models
The rotation for crossing the change-over switch is connected with the high-voltage connection.
Preferably, the change-over switch is made up of insulation shell, and the change-over switch is case structure, and the conversion is opened
The outside of pass is provided with keeper, and being internally provided with for the change-over switch connects copper sheet and conversion gear；The conversion gear bag
Multiple terminals are included, each described terminal is connected with branch's lead；Draw with the high pressure one end of the connection copper sheet
Line connection, the other end are connected with terminal conversion.
Preferably, the quantity of the terminal is identical with the quantity of the bubble-discharge model, is 3-6.
Preferably, the insulated isolation cover is translucent cover, and the insulated isolation cover passes through clamp nut and the ground connection
Electrode is connected.
The technical scheme that embodiment of the present utility model is provided can include the following benefits：
The utility model provides a kind of experimental rig for simulating solid insulating material bubble-discharge defect, including high pressure is drawn
Line, insulated isolation cover, high-field electrode, multiple bubble-discharge models and earth electrode；Wherein, the insulated isolation cover is located at institute
State and confined space is formed on earth electrode, the high-field electrode and air gap discharging model are respectively positioned in the confined space, and institute
State bubble-discharge model to be fixed on the earth electrode, the high-field electrode is fixed on the bubble-discharge model；It is described
High-voltage connection is connected through branch's lead by change-over switch with the high-field electrode；The earth electrode is connected by ground wire with the earth
Connect.The utility model sets the bubble-discharge defect model of multiple different sizes, during experiment can according to specific operating condition of test,
By change-over switch free switching bubble-discharge defect model, so that experiment is simulated for different size of void defects,
And by the parts such as high-field electrode, earth electrode offer test voltage and ensuring experimental safe, the utility model can solve the problem that existing
There is the problem for lacking a kind of experimental rig of effective simulation solid insulating material bubble-discharge defect in technology.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The utility model can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets of the present utility model
Embodiment, and be used to explain principle of the present utility model together with specification.
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of experimental rig of simulation solid insulating material bubble-discharge defect that Fig. 1 is provided for the utility model embodiment
Overall structure diagram；
The change-over switch outside overall structure diagram that Fig. 2 is provided for the utility model embodiment；
The change-over switch inside detailed construction schematic diagram that Fig. 3 is provided for the utility model embodiment；
The structural representation of the bubble-discharge model that Fig. 4 is provided for the utility model embodiment.
Symbol is represented：
1- high-voltage connections, 2- change-over switches, 21- insulation shells, 22- keepers, 23- connections copper sheet, 24- conversions gear, 3-
Branch's lead, 4- high-field electrodes, 5- insulated isolation covers, 6- bubble-discharges model, 61- solid insulations block, 62- cavitys, 7- ground connection
Electrode, 8- clamp nuts.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent all implementation methods consistent with the utility model.Conversely, they be only with such as
The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.
Referring to Fig. 1, Fig. 1 is a kind of simulation solid insulating material bubble-discharge defect that the utility model embodiment is provided
Experimental rig overall structure diagram.Experimental rig in Fig. 1 includes high-voltage connection 1, insulated isolation cover 5, high-field electrode 4, many
Individual bubble-discharge model 6 and the part of earth electrode 7 five.
Wherein, high-voltage connection 1 is connected through branch's lead 3 by change-over switch 2 with high-field electrode 4, and high-voltage connection 1 can be carried
The high voltage being for experiment, and put on bubble-discharge model 6 this high voltage by high-field electrode 4 and earth electrode 7.Tool
Body ground, bubble-discharge model 6 is fixed on earth electrode 7, and high-field electrode 4 is fixed on bubble-discharge model 6, and this connection is closed
System makes to form electrical potential difference between high-field electrode 4 and earth electrode 7, so that for bubble-discharge model 6 provides high voltage.It is grounded herein
It is fixedly connected sequentially from the bottom up between electrode 7, bubble-discharge model 6 and high-field electrode 4, relies primarily on the weight reality of battery lead plate
Existing being brought into close contact between electrode and air gap discharging model.
Insulated isolation cover 5 is located at and confined space is formed on earth electrode 7, high-field electrode 4 and the equal position of air gap discharging model 6
In in confined space, insulated isolation cover 5 can isolate high-voltage connection 1 with bubble-discharge model 6, so that it is guaranteed that the safety of experiment
Property, earth electrode 7 by ground wire with the earth be connected, meet national security electricity consumption requirement, it is also possible to ensure test security.
In addition, insulated isolation cover 5 is translucent cover in the utility model embodiment, person conveniently observes gas can to make test operation
The test situation of gap discharging model 6.Insulated isolation cover 5 is located on earth electrode 7, and specifically, insulated isolation cover 5 can be by tight
Gu nut 8 is connected with earth electrode 7, make connection between the two more firm.
It is the change-over switch outside overall structure diagram that the utility model embodiment is provided, figure referring to Fig. 2 and Fig. 3, Fig. 2
The 3 change-over switch inside detailed construction schematic diagrames provided for the utility model embodiment.As seen from Figure 2, in the present embodiment
Change-over switch 2 is made up of insulation shell 21, and change-over switch 2 is case structure, and the outside of change-over switch 2 is provided with keeper 22.
Keeper 22 is arranged at the outside of insulation shell 21 and towards the side of test operation personnel, and operating personnel can be facilitated to open or close
Close change-over switch 2.
As seen from Figure 3, being internally provided with for change-over switch 2 connects copper sheet 23 and conversion gear 24.Wherein, shelves are changed
Position 24 includes multiple terminals, and each terminal is connected with branch's lead；Connect copper sheet 23 one end be connected with high-voltage connection 1,
The other end is connected with terminal conversion.The quantity of terminal is identical with the quantity of bubble-discharge model 6, is 3-6, i.e. each terminal
Correspondence one branch's lead 3 and a bubble-discharge model 6, three corresponds and total quantity is identical.Here the quantity of terminal
Can be set according to specific test requirements document, it is not limited to 3-6.During experiment, by changing connection copper sheet 23 and different ends
Annexation between son so that change-over switch 2 switches between the bubble-discharge model 6 of various different sizes, so as to realize
The selection of various measurement conditions, is easy to flexible operating.
Referring to Fig. 4, the structural representation of the bubble-discharge model that Fig. 4 is provided for the utility model embodiment.Bubble-discharge
Model 6 includes being provided through on solid insulation block 61, and solid insulation block 61 cavity 62 of solid insulation block 61, solid insulation
The upper surface of block 61 contacts with high-field electrode 4.Solid insulation block 61 is used for the solid insulating material on simulated high-pressure electrical equipment,
Air in cavity 62 is used for simulating the air gap in solid insulating material.
The specification of multiple bubble-discharge models 6 is differed, for example：Gas length 1mm, 2mm, 3mm etc., so that should
Experimental rig can simulate various different size of insulative air gap defects.Pass through change-over switch 2 between multiple bubble-discharge models 6
Rotation be connected with high-voltage connection 1, bubble-discharge model 6 can be made to bear action of high voltage.
When being tested using the experimental rig in the utility model, first earth electrode 7 is connected by ground wire with the earth,
Choose a certain bubble-discharge model 6 to be tested to be fixed on earth electrode 7, then high-field electrode 4 is brought into close contact is put in air gap
On electric model 6, bubble-discharge model 6 and high-field electrode 4 are covered with transparent insulated isolation cover 5 then, finally draw high pressure
Line 1 selects branch's lead 3 to be coupled together with high-field electrode 4 by changing gear 24.
In sum, the utility model sets the bubble-discharge defect model of multiple different sizes, can basis during experiment
Specific operating condition of test, by change-over switch free switching bubble-discharge defect model, so as to lack for different size of air gap
Row simulated test is trapped into, and is provided test voltage by parts such as high-field electrode, earth electrodes and is ensured experimental safe, this practicality
It is new that a kind of experimental rig of effective simulation solid insulating material bubble-discharge defect can be provided such that it is able to accurately, to have
Effect ground judges whether the insulating properties of high voltage electric equipment solid insulating material are good.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice the disclosure of utility model here
Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings
Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right
Ask to limit.
Claims (6)
1. it is a kind of simulate solid insulating material bubble-discharge defect experimental rig, it is characterised in that including：High-voltage connection (1),
Insulated isolation cover (5), high-field electrode (4), multiple bubble-discharges model (6) and earth electrode (7)；Wherein,
The insulated isolation cover (5) is located at and confined space is formed on the earth electrode (7), and the high-field electrode (4) is gentle
Gap discharging model (6) is respectively positioned in the confined space, and the bubble-discharge model (6) is fixed on the earth electrode (7)
On, the high-field electrode (4) is fixed on the bubble-discharge model (6)；
The high-voltage connection (1) is connected through branch's lead (3) by change-over switch (2) with the high-field electrode (4)；
The earth electrode (7) is connected by ground wire with the earth.
2. it is according to claim 1 simulation solid insulating material bubble-discharge defect experimental rig, it is characterised in that institute
Stating bubble-discharge model (6) includes solid insulation block (61), and is provided through the solid on the solid insulation block (61)
The cavity (62) of collets (61), the upper surface of the solid insulation block (61) contacts with the high-field electrode (4).
3. it is according to claim 1 simulation solid insulating material bubble-discharge defect experimental rig, it is characterised in that it is many
The specification of the individual bubble-discharge model (6) is differed, and is opened by the conversion between multiple bubble-discharge models (6)
The rotation for closing (2) is connected with the high-voltage connection (1).
4. it is according to claim 1 simulation solid insulating material bubble-discharge defect experimental rig, it is characterised in that institute
Change-over switch (2) is stated to be made up of insulation shell (21), and the change-over switch (2) is case structure, the change-over switch (2)
Outside is provided with keeper (22), and being internally provided with for the change-over switch (2) connects copper sheet (23) and conversion gear (24)；
Conversion gear (24) includes multiple terminals, and each described terminal is connected with branch's lead (3)；
One end of connection copper sheet (23) is connected with the high-voltage connection (1), the other end is connected with terminal conversion.
5. it is according to claim 4 simulation solid insulating material bubble-discharge defect experimental rig, it is characterised in that institute
The quantity for stating terminal is identical with the quantity of the bubble-discharge model (6), is 3-6.
6. it is according to claim 1 simulation solid insulating material bubble-discharge defect experimental rig, it is characterised in that institute
It is translucent cover to state insulated isolation cover (5), and the insulated isolation cover (5) is by clamp nut (8) and the earth electrode (7) company
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010410.3U CN206311712U (en) | 2017-01-05 | 2017-01-05 | A kind of experimental rig for simulating solid insulating material bubble-discharge defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010410.3U CN206311712U (en) | 2017-01-05 | 2017-01-05 | A kind of experimental rig for simulating solid insulating material bubble-discharge defect |
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| CN206311712U true CN206311712U (en) | 2017-07-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515363A (en) * | 2017-08-08 | 2017-12-26 | 国网重庆市电力公司电力科学研究院 | A kind of analogue means of solid insulation ablation in sulfur hexafluoride atmosphere |
| CN108931712A (en) * | 2018-08-07 | 2018-12-04 | 国网河南省电力公司电力科学研究院 | A kind of solid-state insulated switchgear insulation performance appraisal procedure |
| CN117538712A (en) * | 2024-01-09 | 2024-02-09 | 保定天威新域科技发展有限公司 | Discharge type and position switching device and discharge model |
-
2017
- 2017-01-05 CN CN201720010410.3U patent/CN206311712U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515363A (en) * | 2017-08-08 | 2017-12-26 | 国网重庆市电力公司电力科学研究院 | A kind of analogue means of solid insulation ablation in sulfur hexafluoride atmosphere |
| CN108931712A (en) * | 2018-08-07 | 2018-12-04 | 国网河南省电力公司电力科学研究院 | A kind of solid-state insulated switchgear insulation performance appraisal procedure |
| CN108931712B (en) * | 2018-08-07 | 2020-11-24 | 国网河南省电力公司电力科学研究院 | Insulation performance evaluation method for solid insulation switch equipment |
| CN117538712A (en) * | 2024-01-09 | 2024-02-09 | 保定天威新域科技发展有限公司 | Discharge type and position switching device and discharge model |
| CN117538712B (en) * | 2024-01-09 | 2024-03-29 | 保定天威新域科技发展有限公司 | Discharge type and position switching device and discharge model |
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