CN208833868U - Discharge fault simulator in Multipurpose oil - Google Patents

Discharge fault simulator in Multipurpose oil Download PDF

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Publication number
CN208833868U
CN208833868U CN201821374526.6U CN201821374526U CN208833868U CN 208833868 U CN208833868 U CN 208833868U CN 201821374526 U CN201821374526 U CN 201821374526U CN 208833868 U CN208833868 U CN 208833868U
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China
Prior art keywords
box body
power supply
supply terminal
cover plate
insulation cover
Prior art date
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Active
Application number
CN201821374526.6U
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Chinese (zh)
Inventor
秦佳峰
杨祎
张鹏
齐波
辜超
林颖
郭志红
李程启
马艳
白德盟
郑文杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
North China Electric Power University
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
North China Electric Power University
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Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd, North China Electric Power University filed Critical State Grid Corp of China SGCC
Priority to CN201821374526.6U priority Critical patent/CN208833868U/en
Application granted granted Critical
Publication of CN208833868U publication Critical patent/CN208833868U/en
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  • Housings And Mounting Of Transformers (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

The utility model discloses discharge fault simulators in a kind of Multipurpose oil, including box body, the opening portion of box body is equipped with insulation cover plate, it is slidably connected on insulation cover plate and protrudes into the intracorporal power supply terminal of box, the inner extending end connection electrode fault model of power supply terminal, the bottom of box body is equipped with protective device, electrode failure model is installed to the inner extending end of power supply terminal, the overhanging end of power supply terminal is connect by conducting wire with experimental transformer, it slides power supply terminal and adjusts the distance between electrode failure model and disk electrode, by oil body filling in box body, and cover board is installed on box body, it observes after energization or is obtained a result by partial discharge detection instrument, then oily intracorporal electricity is released by protective device.The utility model can be improved efficiency, and experimental data is accurate by the discharge fault in simulation oil in box body to avoid various defects, save the cost caused by full-scale investigation.

Description

Discharge fault simulator in Multipurpose oil
Technical field
The utility model relates to discharge fault simulators in a kind of Multipurpose oil.
Background technique
It often will appear leak current fault in oil body in the prior art, the mode of this malfunction elimination is only using preceding to electric appliance Element is detected, and detection mode is complex, and testing cost is high, not very practical.Discharge fault simulator in oil It can be used for class failure of discharging in simulation oil, by replacing different discharging models, different discharge faults in simulation oil reduce detection Cost improves detection efficiency.
Utility model content
The utility model provides discharge fault simulator in a kind of Multipurpose oil regarding to the issue above, in the Multipurpose oil Discharge fault simulator is convenient for detection discharge fault.
In order to solve the above-mentioned technical problem, the utility model provides discharge fault in a kind of Multipurpose oil such as flowering structure Simulator is structurally characterized in that: the box body including top opening and for holding transformer oil, the opening portion peace of the box body It equipped with insulation cover plate, is slidably connected on the insulation cover plate and protrudes into the intracorporal power supply terminal of box, the inner extending end of power supply terminal connects The overhanging end of receiving electrode fault model, power supply terminal is connected with experimental transformer by conducting wire, and the bottom of the box body, which is equipped with, to be protected Protection unit.
The protective device includes the through-hole that box body bottom is arranged in, and is equipped in through-hole and protrudes into the intracorporal ground terminal of box Son, the inner extending end of the ground terminal are bolted with disk electrode, and the overhanging end of the ground terminal is bolted with nut.
The middle part of the insulation cover plate is equipped with screw hole, and the power supply terminal is screwed onto screw hole.
The middle part of the insulation cover plate is equipped with through-hole, and the power supply terminal is inserted into through-hole, the insulation cover plate it is upper Surface is equipped with column, hinged there are two the snap ring being oppositely arranged on the column, and being formed between two snap rings can clamping power end The cavity of son, the other end of two snap rings are equipped with the positioning section for extending outwardly and being parallel to each other, are equipped with lock between two positioning sections Tight bolt.
The inner extending end of the power supply terminal is equipped with screw thread, and the electrode failure model is screwed onto the inner extending end of power supply terminal.
The insulation cover plate is mounted on the opening portion of box body by insulating screw.
The cavity that the side of the box body is equipped with for local discharge detection device probe placement.
It has the advantage that compared with prior art using the above structure and electrode failure model is installed to power supply terminal The overhanging end of inner extending end, power supply terminal is connect by conducting wire with experimental transformer, and sliding power supply terminal adjusts electrode failure model The distance between disk electrode by oil body filling in box body, and cover board is installed on box body, office is observed or passed through after energization It puts detector to obtain a result, then oily intracorporal electricity is released by protective device.
In conclusion the utility model can be caused by the discharge fault in simulation oil in box body to avoid full-scale investigation Various defects, save the cost improves efficiency, and experimental data is accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is second of structural schematic diagram of the utility model;
Fig. 3 is the top view of Fig. 2.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing:
As shown in attached drawing 1- Fig. 3, discharge fault simulator in Multipurpose oil provided by the utility model, including top Opening and the box body 1 for being used to hold transformer oil, the opening portion of box body 1 are equipped with insulation cover plate 11, and insulation cover plate 11 passes through exhausted Edge screw 15 is mounted on the opening portion of box body 1, and box body 1 is bonded by 2cm thickness quartz glass in the present embodiment, cover board 11 by 2cm thickness quartz glass is made.The power supply terminal 2 protruded into box body 1 is slidably connected on insulation cover plate 11, power supply terminal 2 is circle The overhanging end of cylindricality copper rod, power supply terminal 2 is connected with experimental transformer by conducting wire, does not illustrate reality in figure in the present embodiment Transformer is tested, the structure and connection type of experimental transformer are the prior art, the inner extending end connection electrode failure of power supply terminal 2 Model 4, the inner extending end of power supply terminal 2 is equipped with external screw thread in the present embodiment, and the end of electrode failure model 4 is tool internal thread Pin electrode, electrode failure model 4 are screwed onto the inner extending end of power supply terminal 2.
As depicted in figs. 1 and 2, the bottom of box body 1 is equipped with protective device.Protective device includes that 1 bottom of box body is arranged in Through-hole is equipped in through-hole and protrudes into for connecting the ground terminal 3 of baseline in box body 1, and ground terminal 3 is cylindrical copper rod, is connect The inner extending end of ground terminal 3 is bolted with disk electrode 31, and the overhanging end of ground terminal 3 is bolted with nut 32.
In the present embodiment there are two types of the sliding types of power supply terminal 2, the first mounting means: as shown in Figure 1, insulation cover plate 11 middle part is equipped with screw hole, and power supply terminal 2 is screwed onto screw hole, when needing to adjust electrode failure model 4, screws power supply terminal 2 The distance between electrode failure model 4 and disk electrode 31 can be adjusted, to change emulation mode.
Second of mounting means: as shown in Fig. 2, the middle part of insulation cover plate 11 is equipped with through-hole, power supply terminal 2 is inserted into through-hole Interior, the upper surface of insulation cover plate 11 is equipped with column 12, and hinged on column 12 there are two the snap ring 13 being oppositely arranged, two snap rings 13 Between formed can clamping power supply terminal 2 cavity, the other end of two snap rings 13, which is equipped with, to extend outwardly and what is be parallel to each other determines Position section 14, clamping screw is equipped between two positioning sections 14.Snap ring 13 and column 12 select insulating materials in the present embodiment, adjustment It is blocked, is then locked by clamping screw realization, to realize power end by two snap rings 13 after good power supply terminal 2 The positioning of son 2, thus the distance between adjustable electrode failure model 4 and disk electrode 31, to change emulation mode.
As depicted in figs. 1 and 2, the cavity 16 that the side of box body 1 is equipped with for local discharge detection device probe placement.This Local discharge detection device can be partial discharge detection instrument in embodiment, and the usage mode and structure of partial discharge detection instrument are existing skill Art, details are not described herein, and the probe of partial discharge detection instrument can be placed into cavity 16, and the accuracy of detection can be improved in this way. Testing result can be obtained by partial discharge detection instrument, in addition can also be obtained a result by observing.
The use process of the utility model: electrode failure model 4 is installed to the inner extending end of power supply terminal 2, power supply terminal 2 Overhanging end connect with experimental transformer by conducting wire, sliding power supply terminal 2 adjustment electrode failure model 4 and disk electrode 31 it Between distance, be installed on box body 1 by filling oil body in box body 1, and by cover board 11, after energization observe or pass through partial discharge detection instrument It obtains a result, then oily intracorporal electricity is released by protective device.
The above is the specific constructive form of the utility model, and the present utility model is not limited to the above embodiments, For those skilled in the art, equivalent variations and part replacement based on specific structure on the utility model are all practical new at this In the protection scope of type.

Claims (7)

1. discharge fault simulator in a kind of Multipurpose oil, it is characterized in that: including top opening and being used to hold transformer oil Box body (1), the opening portion of the box body (1) is equipped with insulation cover plate (11), slidably connects on the insulation cover plate (11) Protrude into the power supply terminal (2) in box body (1), the inner extending end connection electrode fault model (4) of power supply terminal (2), power supply terminal (2) Overhanging end experimental transformer is connected with by conducting wire, the bottom of the box body (1) is equipped with protective device.
2. discharge fault simulator in Multipurpose oil as described in claim 1, it is characterized in that: the protective device includes setting The through-hole in box body (1) bottom is set, the ground terminal (3) protruded into box body (1), the ground terminal (3) are installed in through-hole Inner extending end be bolted with disk electrode (31), the overhanging end of the ground terminal (3) is bolted with nut (32).
3. discharge fault simulator in Multipurpose oil as claimed in claim 2, it is characterized in that: the insulation cover plate (11) Middle part is equipped with screw hole, and the power supply terminal (2) is screwed onto screw hole.
4. discharge fault simulator in Multipurpose oil as claimed in claim 2, it is characterized in that: the insulation cover plate (11) Middle part is equipped with through-hole, and the power supply terminal (2) is inserted into through-hole, and the upper surface of the insulation cover plate (11) is equipped with column (12), hinged there are two the snap ring (13) being oppositely arranged on the column (12), being formed between two snap rings (13) can clamping power supply The cavity of terminal (2), the other end of two snap rings (13) are equipped with the positioning section (14) for extending outwardly and being parallel to each other, two positioning Clamping screw is equipped between section (14).
5. discharge fault simulator in Multipurpose oil as described in claim 1, it is characterized in that: the power supply terminal (2) Inner extending end is equipped with screw thread, and the electrode failure model (4) is screwed onto the inner extending end of power supply terminal (2).
6. discharge fault simulator in Multipurpose oil as described in claim 1, it is characterized in that: the insulation cover plate (11) is logical Cross the opening portion that insulating screw (15) is mounted on box body (1).
7. discharge fault simulator in Multipurpose oil as described in claim 1, it is characterized in that: the side of the box body (1) Equipped with the cavity (16) for local discharge detection device probe placement.
CN201821374526.6U 2018-08-24 2018-08-24 Discharge fault simulator in Multipurpose oil Active CN208833868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821374526.6U CN208833868U (en) 2018-08-24 2018-08-24 Discharge fault simulator in Multipurpose oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821374526.6U CN208833868U (en) 2018-08-24 2018-08-24 Discharge fault simulator in Multipurpose oil

Publications (1)

Publication Number Publication Date
CN208833868U true CN208833868U (en) 2019-05-07

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Application Number Title Priority Date Filing Date
CN201821374526.6U Active CN208833868U (en) 2018-08-24 2018-08-24 Discharge fault simulator in Multipurpose oil

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113514741A (en) * 2021-07-21 2021-10-19 北京石油化工学院 Experimental device for liquid electrode partial discharge simulation under direct current excitation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113514741A (en) * 2021-07-21 2021-10-19 北京石油化工学院 Experimental device for liquid electrode partial discharge simulation under direct current excitation
CN113514741B (en) * 2021-07-21 2023-09-15 北京石油化工学院 Experimental device for liquid electrode partial discharge simulation under direct current excitation

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