CN117148065A - Intelligent high-voltage insulation test device for three-phase co-box type GIL/GIS - Google Patents

Intelligent high-voltage insulation test device for three-phase co-box type GIL/GIS Download PDF

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Publication number
CN117148065A
CN117148065A CN202311136040.4A CN202311136040A CN117148065A CN 117148065 A CN117148065 A CN 117148065A CN 202311136040 A CN202311136040 A CN 202311136040A CN 117148065 A CN117148065 A CN 117148065A
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CN
China
Prior art keywords
phase
conductive
rod
grounding
gil
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Pending
Application number
CN202311136040.4A
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Chinese (zh)
Inventor
曾玉林
杨思民
马小青
张帅
汤玲玲
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Jiangsu Firestone High Voltage Electric Co ltd
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Jiangsu Firestone High Voltage Electric Co ltd
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Application filed by Jiangsu Firestone High Voltage Electric Co ltd filed Critical Jiangsu Firestone High Voltage Electric Co ltd
Priority to CN202311136040.4A priority Critical patent/CN117148065A/en
Publication of CN117148065A publication Critical patent/CN117148065A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

The invention relates to the technical field of electrical equipment test devices, in particular to an intelligent high-voltage insulation test device for a three-phase co-box type GIL/GIS. The technical scheme includes that the intelligent testing device comprises an outer shell, wherein a first panel and a second panel are arranged on two sides of the outer shell, a test joint device is arranged on the first panel, and a three-phase electrical interface is arranged on the second panel; the three-phase electrical interface is connected with one of three conductive posts of the three-phase electrical interface through a three-phase conversion device, and can be switched among the three conductive posts. The invention avoids reconnection assembly of products and complex SF6 gas treatment work, and greatly improves test efficiency; the device can prevent equipment discharge caused by damage, out-of-place position conversion, virtual connection and the like of the electric connection rod in the long-term use process, can effectively prevent misoperation by utilizing the grounding device, and can effectively capture metal particles generated by a test, thereby ensuring the long-term reliability of the tool.

Description

Intelligent high-voltage insulation test device for three-phase co-box type GIL/GIS
Technical Field
The invention relates to the technical field of electrical equipment test devices, in particular to an intelligent high-voltage insulation test device for a three-phase co-box type GIL/GIS.
Background
The three-phase common box type high-voltage GIL/GIS refers to gas insulated switchgear or a power transmission pipeline in which three-phase conductors are commonly arranged in the same box. The GIL/GIS are subjected to various overvoltage effects in addition to the normal phase voltage of the system in normal operation for a long period of time, so in order to ensure long-term reliability, insulation tests, including lightning impulse and power frequency withstand voltage tests, must be performed on the GIL/GIS and the like in shipment.
The existing three-phase co-box type GIL/GIS high-voltage insulation test device is mainly divided into two types:
(1): according to the single-phase wire outlet sleeve test mode, after each phase of test is completed, SF6 gas in the wire outlet sleeve needs to be recovered, another phase is replaced at the cable terminal of a GIS product, the remaining two phases are grounded, then the wire outlet sleeve is vacuumized and filled with SF6 gas, and then a power frequency withstand voltage test is performed. The residual two phases are required to be grounded manually by an external grounding wire during each phase change, and once the residual two phases are forgotten to be grounded or cannot be grounded well, induced potential can be generated during the test, so that the safety of equipment or personnel is endangered by discharging. Thus, the repeated operation not only ensures that the test period is very long, but also greatly reduces the working efficiency and improves the labor cost of the product.
(2): the three-phase conversion device is adopted to connect the connector of the test device and the three-phase electrical appliance interface, and the existing three-phase conversion device has too many transmission mechanisms, particles are generated in the conversion process, and the operation convenience and reliability of the conversion mechanism are influenced. Friction and metal particles are necessarily generated in contact between conductors during phase change, and under the influence of long-term accumulation and electrification tests, the particles move under the action of an electric field and are continuously accumulated on the surface of an insulating part, so that the voltage-resisting capacity of the insulating part is influenced, and finally the reliability of a test device is influenced. The equipment device is unreliable to cause discharge, impact can be generated on the insulation of test equipment, the service life and maintenance frequency of the test equipment are affected, in the experimental process, the problem that a grounding rod is not pushed or is not pushed in place during the test possibly occurs due to the paralytic intention of an operator, and the test equipment is damaged; and the problems that the equipment cannot be used or the test result is inaccurate due to damage, incomplete position conversion, virtual connection and the like of the phase inversion mechanism in the long-term use process are solved.
Therefore, a high-voltage insulation test device for the three-phase co-tank type GIL/GIS, which is convenient to operate, stable and reliable, needs to be designed.
Disclosure of Invention
Aiming at the problems in the background technology, the invention provides an intelligent high-voltage insulation test device for a three-phase common box type GIL/GIS, which can rapidly and accurately complete the test process.
The technical scheme of the invention is as follows: the intelligent high-voltage insulation test device for the three-phase co-box type GIL/GIS comprises an outer shell, wherein a first panel and a second panel are arranged on two sides of the outer shell, a test joint device is arranged on the first panel, and a three-phase electrical interface is arranged on the second panel;
the three-phase electrical interface is connected with one of three conductive columns of the three-phase electrical interface through a three-phase conversion device and can be switched among the three conductive columns;
the three-phase conversion device includes:
the conductive mounting block is connected with the test joint device;
the upper side of the conductive mounting block is rotatably mounted at one end of the conductive rod, and the other end of the conductive rod is connected with the corresponding conductive column;
the electric rotary driving structure is at least partially arranged in the conductive mounting block, the other part of the electric rotary driving structure is arranged on the outer side of the outer shell, and the electric rotary driving structure is used for driving the electric connecting rod to do rotary motion.
Preferably, the electric rotary driving structure comprises a rotary table assembly arranged on the side wall of the outer shell, an insulating rod is arranged at the axis position of the rotary table assembly, the other end of the insulating rod transversely extends into the conductive mounting block, a first conical gear is fixed at the end part of the insulating rod, and a driving motor for driving the rotary table assembly to rotate is arranged on the surface of the outer shell;
the rotating shaft is rotatably arranged in the conductive mounting block and coincides with the axis of the conductive mounting block;
the rotating shaft is provided with a second bevel gear meshed with the first bevel gear;
one end of the electric connection rod is fixed at the end part of the rotating shaft.
Preferably, the end part of the electric pole is in a beveling shape, and a groove is arranged on the end surface of the electric pole;
the end face of the conductive column is provided with a mounting groove, a first spring is arranged in the mounting groove, a first conductive contact is sleeved in the first spring, and the first conductive contact is matched with the groove.
Preferably, three grounding devices are arranged on the outer periphery of the shell, and the three grounding devices are respectively arranged corresponding to the three conductive columns.
Preferably, the grounding device comprises a grounding rod and a storage barrel, wherein the storage barrel is fixed on the outer shell, the grounding rod is arranged in the storage barrel, and the outer end of the grounding rod is connected with external grounding equipment;
the inner end of the grounding rod is provided with a mounting hole, a second spring is arranged in the mounting hole, and a second conductive contact is sleeved in the second spring.
Preferably, a clamping groove is formed in the accommodating barrel, an elastic protruding point is arranged on the grounding rod, and when the grounding rod is pulled out to the outside, the grounding rod is retracted into the accommodating barrel.
Preferably, each grounding rod is provided with a foolproof structure, the foolproof structure comprises a contact block and two electromagnets, the contact block is arranged on the grounding rod, and the grounding rod is also provided with a contact sensor corresponding to the contact block;
when the electric rotation driving structure rotates the grounding rod to a position corresponding to the conductive column, the electromagnet on the grounding rod is in a suction state.
Preferably, the device further comprises a controller, wherein the controller controls the electric rotation driving structure and the adsorption state between the electromagnets.
Preferably, a particle catcher is arranged in the outer shell.
Preferably, the observation window is arranged on the outer shell, a track is arranged on the inner side of the outer shell, a high-definition camera for monitoring the contact state of the conductive column and the first conductive contact is arranged on the track, the high-definition camera can move along the track, and the high-definition camera is electrically connected with a display arranged outside the outer shell.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the invention, a rotatable three-phase conversion device is adopted to replace a forward and backward telescopic straight structure, and the rotation angle of the electric connection rod is controlled by the three-phase conversion device, so that the electric connection rod is respectively contacted and conducted with three conductor terminals in the three-phase common box GIL. Only 1 mechanism is needed to realize the respective connection of three-phase conductors, thereby avoiding the reconnection assembly of products and complex SF6 gas treatment work and greatly improving the test efficiency;
and observing the contact positions of the conductive columns and the conductive rods by using a high-definition camera, and observing whether the conductive columns are in contact with one of the conductive columns, the friction condition of a contact area and the like. The device can be prevented from being damaged, the position of the power-on pole is not switched in place, the power-on pole is in virtual connection and the like in the long-term use process, and the device is prevented from being discharged.
By utilizing the grounding device, misoperation can be effectively prevented, the grounding device is not reliably connected, the device cannot be electrified, and the phase-change mechanism can automatically change phase, so that the experimental efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another aspect of the present invention;
FIG. 3 is a schematic view of the structure of the interior of the present invention;
FIG. 4 is a cross-sectional view of the internal structure of the present invention;
FIG. 5 is an enlarged partial view of portion A of FIG. 4;
FIG. 6 is an enlarged partial view of portion B of FIG. 4;
FIG. 7 is a schematic view of the junction of the first bevel gear and the second bevel gear;
FIG. 8 is a schematic view of the junction of the conductive post and the conductive post;
reference numerals: 1 is an outer shell; 11 is a first panel; reference numeral 111 denotes a test joint device; 12 is a second panel; 121 are conductive pillars; 1211 is a first spring; 1212 is a first conductive contact; 122 is a three-phase electrical interface; 13 is a viewing window; 2 is a three-phase conversion device; 21 is a turntable assembly; 22 is an insulating rod; 23 is a conductive mounting block; 24 is a first bevel gear; 25 is a second bevel gear; 26 is a spindle; 27 is a grounding rod; 3 is a grounding device; 30 is a high definition camera; 31 is a ground rod; 311 is a second spring; 312 is a second conductive contact; 32 is a storage container; 33 is an electromagnet; 34 is a contact block; 35 is a contact sensor; 40 is a drive motor; 11 is a first panel; 12 is a second panel; reference numeral 13 denotes a viewing window.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
As shown in fig. 1 and fig. 2, the intelligent high-voltage insulation test device for the three-phase co-box GIL/GIS provided by the invention comprises an outer shell 1, wherein a first panel 11 and a second panel 12 are arranged on two sides of the outer shell 1, a test connector device 111 is arranged on the first panel 11 as shown in fig. 3 and fig. 4, the test connector 111 is an existing equipment component for butt joint with a test device body to measure parameters, and specific structures and installation modes are not repeated. The second panel 12 is provided with a three-phase electrical interface 122; the three-phase electrical interface 122 is an existing equipment component for connection with conductors of a three-phase common box GIL/GIS.
The three-phase electrical interface 122 is connected with one of three conductive columns 121 of the three-phase electrical interface 122 through the three-phase conversion device 2, and can be switched among the three conductive columns 121;
as shown in fig. 5 and 7, the three-phase conversion device 2 includes:
a conductive mounting block 23, the conductive mounting block 23 being connected to the test joint device 111;
a conductive rod 27, one end of the conductive rod 27 is rotatably installed on the upper side of the conductive installation block 23, and the other end of the conductive rod 27 is connected with the corresponding conductive column 121;
and an electric rotation driving structure, at least one part of which is arranged in the conductive mounting block 23, and the other part of which is arranged outside the outer shell 1, wherein the electric rotation driving structure is used for driving the electric connection rod 27 to do rotation motion.
The electric rotation driving structure includes a turntable assembly 21 disposed on a side wall of the outer casing 1, and it should be noted that the turntable assembly 21 is a common component, and the rotating outer side can drive the inner side to rotate, which is a ball turntable in this embodiment, and the specific structure and the mounting manner are not described again. An insulating rod 22 is arranged at the axial position of the turntable assembly 21, the other end of the insulating rod 22 transversely extends into a conductive mounting block 23, a first conical gear 24 is fixed at the end of the insulating rod, and a driving motor 40 for driving the turntable assembly 21 to rotate is arranged on the surface of the outer shell 1;
the device also comprises a rotating shaft 26, wherein the rotating shaft 26 is rotatably arranged in the conductive mounting block 23 and is coincident with the axis of the conductive mounting block 23; in this embodiment, two ends of the rotating shaft 26 are rotatably disposed in the conductive mounting block 23 through ball bearings.
The rotating shaft 26 is provided with a second bevel gear 25 meshed with the first bevel gear 24; in this embodiment, the first bevel gear 24 and the second bevel gear 25 are both 45 degree bevel gears.
One end of the contact rod 27 is fixed to an end of the rotating shaft 26.
The end of the electric pole 27 is beveled, and a groove is arranged on the end face of the electric pole;
the end face of the conductive post 121 is provided with a mounting groove, a first spring 1211 is arranged in the mounting groove, a first conductive contact 1212 is sleeved in the first spring 1211, and the first conductive contact 1212 is matched with the groove.
As shown in fig. 6 and 8, the first conductive contact 1212 may be snapped into a recess, and the flexible contact may ensure a reliable connection of the conductive rod 27 to the conductive post 121, and may not easily generate metal particles.
Specifically, the turntable assembly 21 is driven to rotate by the driving motor 40, the first bevel gear 24 is rotated by the insulating rod 22, the rotating shaft 26 is rotated by the meshing action of the first bevel gear 24 and the second bevel gear 25, and the conductive rod 27 is contacted with the first conductive contact 1212 of the conductive post 121.
Three grounding devices 3 are provided on the outer peripheral side of the outer case 1, and the three grounding devices 3 are provided corresponding to the three conductive posts 121, respectively.
The grounding device 3 comprises a grounding rod 31 and a storage barrel 32, wherein the storage barrel 32 is fixed on the outer shell 1, the grounding rod 31 is arranged in the storage barrel 32, and the outer end of the grounding rod 31 is connected with external grounding equipment;
the inner end of the grounding rod 31 is provided with a mounting hole, a second spring 311 is arranged in the mounting hole, and a second conductive contact 312 is sleeved in the second spring 311.
The accommodating tube 32 is provided with a clamping groove, the grounding rod 31 is provided with an elastic protruding point, and when the grounding rod 31 is pulled out to the outside, the grounding rod 31 is retracted into the accommodating tube 32. The front end of the grounding device 3 is sleeved on the second conductive contact 312 of the spring 311, so as to ensure proper pressing force to ensure contact, avoid rigid connection, and avoid scratch or burr on the appearance of the conductive column 121, which would cause discharge during high-voltage insulation test.
Each grounding rod 31 is provided with a foolproof structure, the foolproof structure comprises a contact block 34 and two electromagnets 33 which are arranged on the grounding rod 31, and the grounding rod 31 is also provided with a contact sensor 35 corresponding to the contact block 34;
when the electric rotation driving structure rotates the conductive rod 27 to a position corresponding to the conductive post 121, the electromagnet 33 on the grounding rod 31 is in a attracted state.
And a controller controlling the electric rotation driving structure and the adsorption state between the electromagnets 33.
Specifically, after the grounding rod 31 is pushed in place, the contact block 35 is connected with the contact sensor 34, the controller enables the electric rotary driving structure to rotate the conducting rod 27 to a corresponding position, meanwhile, the electromagnet 33 on the conducting rod 27 is in a suction state, and the electromagnets 33 on the other two conducting rods 31 are automatically in a repulsion state, so that false contact is prevented; after the test is finished, the controller releases the attraction state of the electromagnet 33, so that the problem that the test equipment is damaged because the grounding rod is not pushed or is not pushed in place during the test due to the paralytic intention of an operator is avoided.
A particle catcher is arranged in the outer shell 1. In the present embodiment, during the phase change operation of the conductive rod 27 and the conductive post 121, some conductive metal particles are inevitably generated and accumulated as the number of operations increases. Under the action of the electric field, the conductive metal particles move to a high potential and are finally adsorbed and accumulated on the surface of the insulating basin or the insulating rod. The adsorption of the conductive metal foreign matter on the surface of the insulating member can lead to electric field distortion, weaken the insulating capability of the insulating member, and thus, discharge is initiated after reaching a certain degree. The particle catcher is installed at the corresponding position of the bottom and is a metal arc plate with a certain shape grid, the end part of the metal arc plate is in smooth transition, the distortion of an electric field is reduced to the greatest extent, a gap of about 10mm exists between the metal arc plate and the shell, when fixed metal particles move above the metal arc plate, the electric field intensity above the grid is lower than that of a grid-free area due to the existence of a grid gap, so that the metal particles are unbalanced in the area and fall into the grid under the action of gravity and are caught by the particle catcher. Thereby ensuring the long-term reliability of the tool.
The outer casing 1 is provided with an observation window 13. The working condition inside the staff is convenient to observe.
The inside of the outer casing 1 is provided with a track, on which a high-definition camera 30 for monitoring the contact state of the conductive column 121 and the first conductive contact 1212 is mounted, and the high-definition camera 30 can move along the track, in this embodiment, the above functions are realized through the cooperation of the electric track and the sliding block, and the high-definition camera 30 is electrically connected with a display arranged outside the outer casing.
The contact point positions of the conductive posts 121 and the conductive rods 27 are observed by using the high-definition camera 30, whether the conductive posts 121 are contacted with one of the conductive posts 121 or not, friction conditions of contact areas and the like are observed. The situation that the equipment is discharged due to damage, out-of-place position conversion, virtual connection and the like of the electric connection rod 27 in the long-term use process is prevented, and the blind area observed through the observation window 13 can be effectively avoided.
The testing device body is connected with the testing device connector 111, three conductors of the three-phase common box type GIL/GIS are connected with the three-phase electrical interface, SF6 gas is filled in the outer shell 1, the driving motor 40 and the turntable assembly 21 drive the inner insulating rod 22 to rotate, the first bevel gear 24 on the insulating rod 22 drives the second bevel gear 25 on the rotating shaft 26 to rotate, the rotating shaft 26 drives the grounding rod 27 to rotate to be connected with the conductive column 121, the grounding rod 31 corresponding to the grounding device 3 is pushed to be connected with the conductive column 121, then the testing is carried out, after the testing of one phase of conductors is finished, the grounding rod 31 is pulled back, and the grounding rod 27 is rotated to the next phase of conductive column 121 to be tested.
The rotatable three-phase conversion device is adopted to replace a forward and backward telescopic straight structure, and the rotation angle of the electric connection rod 27 is controlled by the three-phase conversion device 2 to be respectively contacted and conducted with three conductor terminals in the three-phase common box GIL. Only 1 mechanism is needed to realize the separate connection of the three-phase conductors, thereby avoiding the reconnection assembly of products and complex SF6 gas treatment work and greatly improving the test efficiency.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present invention is understood by those of ordinary skill in the art according to the specific circumstances.
The above-described embodiments are merely one or several preferred embodiments of the present invention, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present invention and the related teachings of the above-described embodiments.

Claims (10)

1. The utility model provides an intelligent high voltage insulation test device for three-phase is case formula GIL/GIS altogether, includes the shell body, the both sides of shell body are provided with first panel and second panel, be provided with test connector device on the first panel, be provided with three-phase electrical interface on the second panel, its characterized in that:
the three-phase electrical interface is connected with one of three conductive columns of the three-phase electrical interface through a three-phase conversion device and can be switched among the three conductive columns;
the three-phase conversion device includes:
the conductive mounting block is connected with the test joint device;
the upper side of the conductive mounting block is rotatably mounted at one end of the conductive rod, and the other end of the conductive rod is connected with the corresponding conductive column;
the electric rotary driving structure is at least partially arranged in the conductive mounting block, the other part of the electric rotary driving structure is arranged on the outer side of the outer shell, and the electric rotary driving structure is used for driving the electric connecting rod to do rotary motion.
2. The intelligent high-voltage insulation test device for the three-phase common box type GIL/GIS according to claim 1, wherein the electric rotary driving structure comprises a rotary table assembly arranged on the side wall of the outer shell, an insulation rod is arranged at the axial position of the rotary table assembly, the other end of the insulation rod transversely extends into the conductive mounting block, a first conical gear is fixed at the end of the insulation rod, and a driving motor for driving the rotary table assembly to rotate is arranged on the surface of the outer shell;
the rotating shaft is rotatably arranged in the conductive mounting block and coincides with the axis of the conductive mounting block;
the rotating shaft is provided with a second bevel gear meshed with the first bevel gear;
one end of the electric connection rod is fixed at the end part of the rotating shaft.
3. The intelligent high-voltage insulation test device for the three-phase co-tank GIL/GIS according to claim 1, wherein the end of the electric connection rod is in a beveled shape, and a groove is provided on the end face thereof;
the end face of the conductive column is provided with a mounting groove, a first spring is arranged in the mounting groove, a first conductive contact is sleeved in the first spring, and the first conductive contact is matched with the groove.
4. The intelligent high-voltage insulation test device for the three-phase common-box GIL/GIS according to claim 1, wherein three grounding devices are provided at the outer peripheral side of the housing, and the three grounding devices are respectively provided corresponding to the three conductive columns.
5. The intelligent high-voltage insulation test device for the three-phase co-tank GIL/GIS according to claim 4, wherein the grounding device comprises a grounding rod and a receiving cylinder, the receiving cylinder is fixed on the outer shell, the grounding rod is arranged in the receiving cylinder, and the outer end of the grounding rod is connected with external grounding equipment;
the inner end of the grounding rod is provided with a mounting hole, a second spring is arranged in the mounting hole, and a second conductive contact is sleeved in the second spring.
6. The intelligent high-voltage insulation test device for the three-phase co-tank GIL/GIS according to claim 5, wherein the accommodating tube is provided with a clamping groove, the grounding rod is provided with an elastic protruding point, and when the grounding rod is pulled out to the outermost part, the grounding rod is retracted into the accommodating tube.
7. The intelligent high-voltage insulation test device for the three-phase common box type GIL/GIS according to claim 1, wherein each grounding rod is provided with a fool-proof structure, the fool-proof structure comprises a contact block and two electromagnets, the contact block is arranged on the grounding rod, and a contact sensor corresponding to the contact block is further arranged on the grounding rod;
when the electric rotation driving structure rotates the grounding rod to a position corresponding to the conductive column, the electromagnet on the grounding rod is in a suction state.
8. The intelligent high-voltage insulation test device for the three-phase co-tank GIL/GIS according to claim 7, further comprising a controller controlling an electric rotation driving structure and an adsorption state between the electromagnets.
9. The intelligent high-voltage insulation test device for the three-phase co-tank GIL/GIS according to any one of claims 1 to 8, wherein the outer housing is provided therein with a particle catcher.
10. The intelligent high-voltage insulation test device for the three-phase common box type GIL/GIS according to claim 1, wherein an observation window is arranged on the outer shell, a track is arranged on the inner side of the outer shell, a high-definition camera for monitoring the contact state of the conductive column and the first conductive contact is arranged on the track, the high-definition camera can move along the track, and the high-definition camera is electrically connected with a display arranged outside the outer shell.
CN202311136040.4A 2023-09-05 2023-09-05 Intelligent high-voltage insulation test device for three-phase co-box type GIL/GIS Pending CN117148065A (en)

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Application Number Priority Date Filing Date Title
CN202311136040.4A CN117148065A (en) 2023-09-05 2023-09-05 Intelligent high-voltage insulation test device for three-phase co-box type GIL/GIS

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Application Number Priority Date Filing Date Title
CN202311136040.4A CN117148065A (en) 2023-09-05 2023-09-05 Intelligent high-voltage insulation test device for three-phase co-box type GIL/GIS

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117949702A (en) * 2024-03-27 2024-04-30 山东泰开电力开关有限公司 GIS withstand voltage experimental apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117949702A (en) * 2024-03-27 2024-04-30 山东泰开电力开关有限公司 GIS withstand voltage experimental apparatus

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