CN203630285U - Device used for partial discharge characteristic test - Google Patents
Device used for partial discharge characteristic test Download PDFInfo
- Publication number
- CN203630285U CN203630285U CN201320760027.1U CN201320760027U CN203630285U CN 203630285 U CN203630285 U CN 203630285U CN 201320760027 U CN201320760027 U CN 201320760027U CN 203630285 U CN203630285 U CN 203630285U
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- Prior art keywords
- partial discharge
- guide rod
- nut
- discharge test
- concentric locating
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- Expired - Lifetime
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 239000000945 filler Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 235000019994 cava Nutrition 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- 230000000694 effects Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 25
- 239000007787 solid Substances 0.000 description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 4
- 229920005372 Plexiglas® Polymers 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The utility model provides a device used for a partial discharge characteristic test. An insulating oil and/or oilpaper insulating material is arranged in the device to test a partial discharge characteristic, and the device comprises a concentric positioning nut, an outer cover and a pedestal. The concentric positioning nut and the pedestal are arranged at the upper and lower ends of the outer cover respectively and form an enclosed cavity, and the centers of the concentric positioning nut and the pedestal are equipped with central through holes respectively and vertically. A high voltage guide rod and a grounding guide rod are arranged in the central through holes of the concentric positioning nut and the pedestal respectively, and the end parts of the high voltage guide rod and the grounding guide rod which are located in the enclosed cavity are equipped with an upper electrode and a lower electrode respectively. The improvement of the utility model is that the concentric positioning nut is equipped with a through hole parallel with the central through hole thereof, a connecting rod is arranged in the through hole, and the end part of the connecting rod located in the enclosed cavity is equipped with a supporting ring horizontally. Compared with the prior art, the device used for the partial discharge characteristic test provided by the utility model is simple in structure and good in test effect, and is easy to disassemble.
Description
Technical field
The utility model relates to a kind of device for Characteristics of Partial Discharge test, is specifically related to a kind of device for insulating oil and the test of paper oil insulation material Characteristics of Partial Discharge.
Background technology
Insulating oil stops or this specific character of inhibition shelf depreciation is very important in many application, between operation characteristic in different chemical constitution liquid, alter a great deal, the shelf depreciation situation of oil-paper combination insulation material is more complicated, the different relative positions of shelf depreciation point have a significant impact partial discharge performance, therefore need a kind of device of testing insulating oil and oilpaper compound substance partial discharge performance.
Following several device is disclosed in prior art:
Name is called " a kind of lubricating cup for the research of insulating oil impact characteristics ", application number is the utility model of " CN201220002515.1 ", as shown in Figure 2, lubricating cup for the research of insulating oil impact characteristics is disclosed, comprise thickness piece, nylon base and be arranged on from inside to outside organic glass cylinder and the plexiglass tent of concentric on nylon base, in organic glass cylinder, be provided with electrode, plexiglass tent top is provided with concentric locating nut, in concentric locating nut, be movably equipped with high pressure solid metal guide rod, one end of high pressure solid metal guide rod is arranged in organic glass cylinder, this one end is connected with top electrode, nylon base is provided with ground connection solid metal guide rod, and ground connection solid metal guide rod one end is connected with bottom electrode, oil clearance spacing is easy to fine setting, is easy to clean and change electrode, can be used for multiple sparking electrode model investigation.
In GB GB/T17648-1998 " iknsulating liquid partial discharge inception voltage determination test program ", be useful on the structural drawing of the test chamber of insulating oil partial discharge inception voltage test, as shown in Figure 3.
Name is called the patent of invention that " a kind of device for testing insulating property of high-voltage oiled paper ", application number are " CN201010285751.4 ", as shown in Figure 4, hydraulic oil paper insulation characteristic research test unit is disclosed, the abort situation that can often occur for converter power transformer operation, simulation ball-plate, pin-plate, plate-plate, along face, suspended discharge electrode model; Can realize DC voltage, alternating voltage and alterating and direct current and depress the experiment of typical hydraulic oil/paper oil insulation, and then can obtain Characteristics of Partial Discharge and the breakdown characteristics of converter power transformer major insulation.
But there is the defect of following technology in disclosed these devices of prior art:
1, cannot test and between upper/lower electrode, place insulating material, and Characteristics of Partial Discharge while not contacting upper/lower electrode;
2, the Characteristics of Partial Discharge while there is optional position suspended metal electric discharge in cannot test oil;
3, between the lubricating cup container plexiglass tent and base in Fig. 2 and Fig. 3, and and concentric locating nut between connection disassembling difficulty;
The insulating material difficulty of 4, placing on the lower replacing bottom electrode in Fig. 2 and Fig. 3, need to take plexiglass tent and base apart, and the existence of organic glass cylinder has significant limitation to the placement of insulating material;
5, in Fig. 4, take into account the every characteristic of paper oil insulation, very large by oil mass, cannot test the less sample of oil mass, change oil in addition larger, be not suitable for only needing to test the situation of Characteristics of Partial Discharge, be more not suitable for multiple transformer oil contrast test.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of device for Characteristics of Partial Discharge test, simple in structure, is convenient to dismounting; Characteristics of Partial Discharge while there is optional position suspended metal electric discharge in not only can test oil, and can test optional position between upper/lower electrode and place insulating material, and Characteristics of Partial Discharge while not contacting upper/lower electrode.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of device for Characteristics of Partial Discharge test that the utility model provides, insulating oil and/or paper oil insulation material are arranged in described device, its Characteristics of Partial Discharge is tested, described device comprises concentric locating nut, outer cover and base, described concentric locating nut and base are separately positioned on the upper and lower two ends of outer cover and form closed cavity, the center of described concentric locating nut and base is vertically provided with respectively central through hole, high pressure guide rod and ground connection guide rod are separately positioned in the central through hole of described concentric locating nut and base, be positioned at the high pressure guide rod of described closed cavity and the end of ground connection guide rod is respectively equipped with top electrode and bottom electrode,
Its improvements are: described concentric locating nut is provided with the through hole being parallel to each other with its central through hole, and connecting rod is arranged in described through hole, and the end horizontal that is positioned at the connecting rod of described closed cavity is provided with filler ring.
Wherein, the quantity of described filler ring is more than or equal to 1, and between described top electrode and bottom electrode.
Wherein, on described filler ring, place insulating paper material or suspended metal.
Wherein, described filler ring is connected with described connecting rod by screw thread.
Wherein, the described high pressure guide rod that is positioned at described closed cavity outside is respectively equipped with setting nut and set nut, between described set nut and concentric locating nut, is provided with standard thickness piece or thick gauge.
Wherein, the described connecting rod that is positioned at described closed cavity outside is respectively equipped with setting nut and set nut, between described set nut and concentric locating nut, is provided with standard thickness piece or thick gauge.
Wherein, it is organic glass that described outer cover adopts material, and it is nylon that described base adopts material, and described outer cover is connected with base by thread.
Wherein, described concentric locating nut is T-shaped.
Wherein, described outer cover upper end is provided with the dismounting interface that outer wall caves inward.
Wherein, described top electrode with high pressure guide rod for being threaded, described bottom electrode with ground connection guide rod for being threaded.
Wherein, described ground connection guide rod through threaded is connected with base, and the described ground connection guide rod being positioned at outside described closed cavity is connected with ground wire.
Compared with prior art, the beneficial effect that the utility model reaches is:
1, this device can be used for testing between upper and lower electrode optional position and places insulating material, and Characteristics of Partial Discharge while not contacting upper and lower electrode;
2, Characteristics of Partial Discharge when this device can be used for occurring in test oil the suspended metal electric discharge of optional position;
3, between outer cover and base and between outer cover and concentric locating nut, assembling is simple, is easy to dismounting;
4, while changing insulating material, do not need to take outer cover and base apart, time saving and energy saving, improve testing efficiency;
5, test is few by oil mass, is convenient to change and clean.
Accompanying drawing explanation
Fig. 1 is: the structural representation of the device for Characteristics of Partial Discharge test provided by the invention;
Fig. 2 is: a kind of structural representation of the lubricating cup (CN201220002515.1) for the research of insulating oil impact characteristics;
Fig. 3 is: the structural representation of the test chamber for the test of insulating oil partial discharge inception voltage in GB GB/T17648-1998 " iknsulating liquid partial discharge inception voltage determination test program ";
Fig. 4 is: the structural representation of a kind of device for testing insulating property of high-voltage oiled paper (CN201010285751.4);
Wherein: 1, setting nut; 2, concentric locating nut; 3, dismounting interface; 4, outer cover; 5, top electrode; 6, base; 7, ground connection guide rod; 8, bottom electrode; 9, filler ring; 10, connecting rod; 11, setting nut; 12, set nut; 13, set nut; 14, high pressure guide rod.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The present embodiment is take the device that is incorporated in Characteristics of Partial Discharge test as example, as shown in Figure 1, the device for Characteristics of Partial Discharge test that the utility model embodiment provides comprises: setting nut 1, concentric locating nut 2, dismounting interface 3, outer cover 4, top electrode 5, base 6, ground connection guide rod 7, bottom electrode 8, filler ring 9, connecting rod 10, setting nut 11, set nut 12, set nut 13, high pressure guide rod 14.
Concentric locating nut 2, outer cover 4 and base 6 are threaded successively and form closed cavity, high pressure guide rod 14 and ground connection guide rod 7 are separately positioned in the central through hole of concentric locating nut 2 and base 6, are positioned at the high pressure guide rod 14 of closed cavity and the end of ground connection guide rod 7 is threaded connection respectively top electrode 5 and bottom electrode 8; The high pressure guide rod 14 that is positioned at closed cavity outside is provided with setting nut 1 and set nut 13, between set nut 13 and concentric locating nut 2, is provided with standard thickness piece or thick gauge.Connecting rod 10 is arranged in the through hole being parallel to each other with central through hole on concentric locating nut 2, and screw thread level connection joint filler ring 9 is passed through in the end that is positioned at the connecting rod 10 of closed cavity; The connecting rod 10 that is positioned at closed cavity outside is respectively equipped with setting nut 11 and set nut 12, between set nut 12 and concentric locating nut 2, is provided with standard thickness piece or thick gauge; On filler ring 9, place insulating paper material or suspended metal, and between top electrode 5 and bottom electrode 8.
Wherein, on outer cover 4, reserved dismounting interface 3, can connect aid, simultaneously in concentric locating nut 2 upper end arranged outside projections, prevents that vessel surface from skidding; The outer cover 4 adopting and the structure of concentric locating nut 2, expanded opening internal diameter, can realize and in the situation that not dismantling outer cover 4, change solid insulating material; Filler ring 9 location structures that adopt, accurate control and the fine setting of insulating material or the suspended metal vertical range between top electrode 5 and bottom electrode 8 are guaranteed, filler ring 9 shapes can be made multiple for subsequent use as required, and can make supporting plate, and can adopt two filler rings 9 insulating material or suspended metal of being fixedly clamped of working in coordination if any special requirement; Ground connection guide rod 7 is consistent with the thread size on high pressure guide rod 14, makes top electrode 5 and bottom electrode 8 exchange general.
The utility model also provides the method for testing for the device of Characteristics of Partial Discharge test, and concrete steps are as follows:
1, ground connection guide rod 7 and base 6 and ground wire are assembled with hold-down nut, metallic gasket and wiring nut successively; High pressure guide rod 14 and set nut 13, setting nut 1 are assembled; Connecting rod 10 and setting nut 11, set nut 12 are assembled; And at high pressure guide rod 14 with ground connection guide rod 7 is installed respectively electrode 5 and bottom electrode 8 is for subsequent use.
2, outer cover 4 is installed on base 6, ground connection guide rod 7 and bottom electrode 8 are positioned at outer cover 4.
3, inject insulating oil to be measured, as test is paper oil insulation material, connecting rod 10 is connected with filler ring 9 through concentric locating nut 2 afterwards, on filler ring 9, place solid material or suspended metal, concentric locating nut 2 is assembled on outer cover 4, regulate setting nut 11, set nut 12 with location filler ring 9, inwall one sideway swivel to closed cavity by filler ring 9 afterwards.
4, top electrode 5 and high pressure guide rod 14 are inserted to concentric locating nut 2, to outer cover 4, rotation adjusting lock nut 13, setting nut 1 approach upper/lower electrode lightly, with ohmmeter monitoring, until two electrode contacts, pin setting nut 1 with set nut 13.
5, set nut 13, setting nut 1 and high pressure guide rod 14 are mentioned, between setting nut 1 and concentric locating nut 2, insert required standard thickness piece or thick gauge, if test is paper oil insulation material, uses the same method afterwards and determine the distance of filler ring 9 and bottom electrode 8.
6, the output of testing power supply is put on to high pressure guide rod 14 upper ends, test data is tested and is drawn in energising.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. the device for Characteristics of Partial Discharge test, insulating oil and/or paper oil insulation material are arranged in described device, its Characteristics of Partial Discharge is tested, described device comprises concentric locating nut, outer cover and base, described concentric locating nut and base are separately positioned on the upper and lower two ends of outer cover and form closed cavity, the center of described concentric locating nut and base is vertically provided with respectively central through hole, high pressure guide rod and ground connection guide rod are separately positioned in the central through hole of described concentric locating nut and base, be positioned at the high pressure guide rod of described closed cavity and the end of ground connection guide rod is respectively equipped with top electrode and bottom electrode,
It is characterized in that: described concentric locating nut is provided with the through hole being parallel to each other with its central through hole, and connecting rod is arranged in described through hole, and the end horizontal that is positioned at the connecting rod of described closed cavity is provided with filler ring.
2. the device for Characteristics of Partial Discharge test as claimed in claim 1, is characterized in that: the quantity of described filler ring is more than or equal to 1, and between described top electrode and bottom electrode.
3. the device for Characteristics of Partial Discharge test as claimed in claim 2, is characterized in that: on described filler ring, place insulating paper material or suspended metal.
4. the device for Characteristics of Partial Discharge test as claimed in claim 1, it is characterized in that: the described high pressure guide rod that is positioned at described closed cavity outside is respectively equipped with setting nut and set nut, between described set nut and concentric locating nut, is provided with standard thickness piece or thick gauge.
5. the device for Characteristics of Partial Discharge test as claimed in claim 1, it is characterized in that: the described connecting rod that is positioned at described closed cavity outside is respectively equipped with setting nut and set nut, between described set nut and concentric locating nut, be provided with standard thickness piece or thick gauge.
6. the device for Characteristics of Partial Discharge test as claimed in claim 1, is characterized in that: it is organic glass that described outer cover adopts material, it is nylon that described base adopts material, and described outer cover is connected with base by thread.
7. the device for Characteristics of Partial Discharge test as claimed in claim 1, is characterized in that: described concentric locating nut is T-shaped.
8. the device for Characteristics of Partial Discharge test as claimed in claim 1, is characterized in that: described outer cover upper end is provided with the dismounting interface that outer wall caves inward.
9. the device for Characteristics of Partial Discharge test as claimed in claim 1, is characterized in that: described top electrode is with high pressure guide rod for being threaded, and described bottom electrode is with ground connection guide rod for being threaded, and described filler ring is connected with described connecting rod by screw thread.
10. the device for Characteristics of Partial Discharge test as claimed in claim 1, is characterized in that: described ground connection guide rod through threaded is connected with base, and the described ground connection guide rod being positioned at outside described closed cavity is connected with ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760027.1U CN203630285U (en) | 2013-11-26 | 2013-11-26 | Device used for partial discharge characteristic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760027.1U CN203630285U (en) | 2013-11-26 | 2013-11-26 | Device used for partial discharge characteristic test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630285U true CN203630285U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760027.1U Expired - Lifetime CN203630285U (en) | 2013-11-26 | 2013-11-26 | Device used for partial discharge characteristic test |
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| Country | Link |
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| CN (1) | CN203630285U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616622A (en) * | 2013-11-26 | 2014-03-05 | 国家电网公司 | Device and method for testing partial discharging characteristic |
| WO2018228182A1 (en) * | 2017-06-15 | 2018-12-20 | 中国电力科学研究院有限公司 | Device for testing partial discharge performance of insulated bolt |
| CN109239539A (en) * | 2018-07-23 | 2019-01-18 | 国家电网有限公司 | A kind of device and experimental method for studying epoxy insulation material Characteristics of Partial Discharge |
-
2013
- 2013-11-26 CN CN201320760027.1U patent/CN203630285U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616622A (en) * | 2013-11-26 | 2014-03-05 | 国家电网公司 | Device and method for testing partial discharging characteristic |
| CN103616622B (en) * | 2013-11-26 | 2017-02-22 | 国家电网公司 | Device and method for testing partial discharging characteristic |
| WO2018228182A1 (en) * | 2017-06-15 | 2018-12-20 | 中国电力科学研究院有限公司 | Device for testing partial discharge performance of insulated bolt |
| CN109239539A (en) * | 2018-07-23 | 2019-01-18 | 国家电网有限公司 | A kind of device and experimental method for studying epoxy insulation material Characteristics of Partial Discharge |
| CN109239539B (en) * | 2018-07-23 | 2021-08-17 | 国家电网有限公司 | Device and experimental method for researching partial discharge characteristics of epoxy insulating material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |