CN109507498A - A kind of experimental rig for three-phase switching - Google Patents
A kind of experimental rig for three-phase switching Download PDFInfo
- Publication number
- CN109507498A CN109507498A CN201811313202.6A CN201811313202A CN109507498A CN 109507498 A CN109507498 A CN 109507498A CN 201811313202 A CN201811313202 A CN 201811313202A CN 109507498 A CN109507498 A CN 109507498A
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- CN
- China
- Prior art keywords
- cylinder
- conducting
- electrically connected
- experimental rig
- phase
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Abstract
The present invention provides a kind of experimental rigs for three-phase switching, including rotating arrangements of electric connection, rotation arrangements of electric connection includes the turning end of the fixing end and rolling assembling for being fixed on center in cylinder that are electrically connected with primary connection terminal in fixing end lower end, turning end is equipped with cantilever, is equipped with the extension bar that is electrically connected being electrically connected with fixing end on cantilever；This further includes the driving mechanism for driving turning end rotation for the experimental rig that three-phase switches, operation driving mechanism is able to drive the extension bar rotation that is electrically connected on turning end cantilever, to realize the conducting and disconnection of be electrically connected extension bar and phase any one in three-phase, quickly alternate switching during realizing, without being dismounted for multiple times experimental rig or a cable, it is easy to operate, it improves work efficiency.
Description
Technical field
The present invention relates to a kind of experimental rigs for three-phase switching.
Background technique
Before three-phase in one tank type voltage mutual factory, needs to separate three-phase and individually successively test, it is in the prior art
As soon as experimental rig is merely able to test phase after installing every time, need to dismount experimental rig when testing another phase, efficiency is very low.
Currently, in order to improve the test efficiency of the experimental rig of the mating three-phase in one tank type voltage mutual of GIS, art technology
Personnel, which have made, targetedly to be studied, such as the experimental rig of 202018483 U of Publication No. CN, including three insulating sleeves, with
The connected connecting cylinder in insulating sleeve lower end, the insulating sleeve upper end are equipped with primary connection terminal, are equipped with conduction in insulating sleeve
Bar, the conducting rod upper end are connect with primary connection terminal, and lower end is connected with connecting lever by electric connector, three connecting lever lower ends and tested
The center conductor of the correspondence phase of the mutual inductor of survey connects, in use, experimental rig need to only be installed once, but commutation test every time
The switch of cable of disconnection is required, then removes a cable, then a cable is installed to another phase for needing to test
On primary connection terminal on corresponding insulating sleeve, test between a cable and primary connection terminal for requiring every time
It is dismounted three times, very troublesome, the efficiency of test is still relatively low.
Summary of the invention
The object of the present invention is to provide a kind of experimental rigs for three-phase switching, to solve examination existing in the prior art
The technical issues of testing low efficiency.
In order to achieve the goal above, technical solution of the present invention for the experimental rig of three-phase switching is as follows: being used for three-phase
The experimental rig of switching, including insulating sleeve, insulating sleeve upper end are provided with primary connection terminal, and insulating sleeve lower end is connected with
Cylinder, is equipped with the upper conducting end being conductively connected with the primary connection terminal in the cylinder, in the cylinder equipped with for
Three lower conducting ends of three center conductors electrical connection of three-phase equipment, further include rotation arrangements of electric connection, rotate the tipping that is electrically connected
It sets including the fixing end and rolling assembling for being fixed on center in cylinder that are electrically connected with primary connection terminal under fixing end
The turning end at end, turning end are equipped with by the outwardly extending cantilever design of body centre, and the end of cantilever design, which is equipped with, vertically prolongs
The extension bar that is electrically connected stretched, the lower end of the extension bar that is electrically connected and fixing end are electrically connected to form the upper conducting end；The experimental rig further includes
Drive the driving mechanism of turning end rotation；The extension bar that is electrically connected is conductive in the case where the rotary motion trace under driving mechanism driving is located at three
End upper section is respectively formed on the conducting position, circumferencial direction that conducting end is connected with lower conducting end in corresponding phase to be located under three and lead
Part between electric end, which is formed, disconnects position.
The beneficial effects of the present invention are: the extension bar that is electrically connected is rotated by driving mechanism after experimental rig is installed, when
When the upper conducting end that extension bar lower end is formed that is electrically connected turns to the top of lower conducting end, correspondence is conducted, remaining is mutually disconnected, and works as rotation
When position on to rotary motion trace circumferencial direction between three lower conducting ends, three-phase is disconnected, and need to only pass through drive according to test phase
Motivation structure realizes the operation that test is conducted, and non-test phase disconnects, and when switching tests phase is equally real by operating to driving mechanism
Now quick commutation is respectively completed the test to three-phase, and compared with prior art, test is not needed to cable and primary every time
It is dismounted three times between connecting terminal, substantially increases test efficiency.
Further, contact tube is equipped in the insulating sleeve, the upper end of contact tube and primary connection terminal are conductively connected；
Upper end is provided with the first disc insulator in the cylinder, and the lower end of the contact tube is fixed by the first disc insulator, institute
Fixing end is stated to be fixed on center in cylinder by the first disc insulator and connect with the lower conductive of contact tube.
Further, the driving mechanism includes change gear component, and speed gear component includes connect with rotating bar
One bevel gear and the second bevel gear connecting with the turning end of rotation arrangements of electric connection, first bevel gear is as change gear component
Input terminal, output end of the second bevel gear as change gear component；Three lower conducting ends are intracorporal by being fixed on cylinder
Three conducting rods are constituted.
Further, mounting hole is provided on the cylinder for operating easily, the rotating bar passes through the mounting hole
The part outside cylinder is extended to as alternate handover operation input terminal, the alternate handover operation input terminal is connected with insulation hand
Handle, the alternate handover operation input terminal are connected with the insulated handle by gear assembly.
Further, in order to connect upper conducting end reliably with lower conducting end, the upper end of the conducting rod, which is provided with, to be used for
The electric conductor that conducting is connected with upper conducting end is equipped with the spring for making electric conductor float between the electric conductor and conducting rod, described
Electric conductor, which has, is moved to the guide surface above conducting rod convenient for upper conducting end.
Further, upper conducting end is easier for convenience and lower conducting end contacts in place, the lower end of the extension bar that is electrically connected
The size of the upper conducting end formed is greater than the diameter dimension for the extension bar that is electrically connected.
Further, it observes for convenience, is provided with observation window on cylinder.
Further, in order to reduce the waste of insulating gas and to the pollution of environment, the cylinder includes arranging up and down
Middle cylinder and transition cylinder, the second disc insulator is equipped between middle cylinder and transition cylinder, transition cylinder is connected to
The lower end of second disc insulator, the lower conducting end are fixed in cylinder by the second disc insulator, the lower conducting end
Upper end be located in middle cylinder, lower end is located in transitional cylinder body, first disc insulator be the benzvalene form with through-hole it is exhausted
Edge, second disc insulator are closed disc insulator.
Further, for the ease of being filled with insulating gas into experimental rig, on the middle cylinder and transition cylinder
It is provided with air valve.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for the experimental rig of three-phase switching；
Fig. 2 is entirety sectional view of the present invention for the experimental rig of three-phase switching；
Fig. 3 is the structural schematic diagram that arrangements of electric connection is rotated in Fig. 2；
Fig. 4 is state diagram when testing A phase.
The corresponding title of each appended drawing reference in figure are as follows: 1- primary connection terminal, 2- insulating sleeve, 3- cylinder, 31- intermediate cylinder
Body, 32- transition cylinder, 4- insulated handle, 5- observation window, 6- contact tube, the first disc insulator of 7-, 8- rotate the tipping that is electrically connected
It sets, 9- change gear component, 91- first bevel gear, 92- second bevel gear, 10- rotating bar, 11- cantilever design, 12- electrical connection
Bar, 13- electric conductor, 14- gear assembly, 15- conducting rod, the second disc insulator of 16-.
Specific embodiment
For convenience of narration, the three-phase equipment that the subjects of the present embodiment use is three-phase in one tank type voltage mutual, test
Object can also be other three-phase equipments.Embodiment of the present invention for the experimental rig of three-phase switching: as shown in Figs 1-4, packet
Insulating sleeve 2 and cylinder 3 are included, cylinder 3 is connected to the lower end of insulating sleeve 2, and the upper end of insulating sleeve 2 is provided with primary connection end
Son 1, primary connection terminal 1 is used for and a cable connection introduces electric current into device, and the lower end of cylinder 3 and subjects connect
It connects.Insulating sleeve 2 is internally provided with contact tube 6, and the upper end of contact tube 6 and primary connection terminal 1 are conductively connected, contact tube 6
Lower end pass through be arranged in 3 inner upper end of cylinder the first disc insulator 7 it is fixed.The lower end of first disc insulator 7 is arranged
There is rotation arrangements of electric connection 8, rotation arrangements of electric connection 8 includes the fixing end of upper end and contact tube conductive connection and the rotation of lower end
End, turning end are equipped with by the outwardly extending cantilever design 11 of body centre, and the end of cantilever design 11 is equipped with vertically extending
Be electrically connected extension bar 12, and the lower end of the extension bar 12 that is electrically connected and fixing end are electrically connected to form the upper conducting end of experimental rig, and experimental rig also wraps
The driving mechanism of driving turning end rotation is included, driving mechanism drives turning end to drive the extension bar rotation that is electrically connected in cantilever design 11.
It is equipped under three be electrically connected for three center conductors with three-phase in one tank type voltage mutual and leads in the cylinder 3 of the experimental rig
Electric end, when under the turning to for the extension bar 12 that is electrically connected above conducting end, the upper conducting end for 12 lower end of extension bar that is electrically connected under corresponding phase
Conducting end connects conduction, and the lower conducting end of remaining phase is in an off state, and when being electrically connected, extension bar 12 turns to rotary motion trace circumference side
When being located at the position between three lower conducting ends upwards, three corresponding lower conducting ends are in off-state.
Driving mechanism described in the present embodiment includes change gear component 9, and change gear component 9 includes first bevel gear 91
With second bevel gear 92, input terminal of the first bevel gear 91 as change gear component, second bevel gear 92 is used as change gear
The output end of component, the input terminal of change gear component are connected with rotating bar 10, the output end of change gear component with described turn
Moved end connection.Mounting hole is provided on the cylinder 3, the rotating bar 10 passes through the mounting hole and extends to the portion outside cylinder
It is allocated as alternate handover operation input terminal, when rotating rotating bar 10, circumference is done by the drive of change gear component 9 extension bar 12 that is electrically connected
Rotation.There are three three conducting rods 15 for being fixed on lower end in cylinder 3 to constitute for three lower conducting ends, and the extension bar 12 that is electrically connected is each
When turning to 15 top of conducting rod, it is on position, is connected with the conducting rod 15 of corresponding phase, remaining is mutually disconnected, and be electrically connected extension bar 12
When turning to the position between conducting rod 15 every time, in position is disconnected, all phases are in off-state, and experimental rig uses
When, be electrically connected extension bar 12 with it is corresponding test be conducted, remaining is mutually disconnected, the extension bar 12 that is electrically connected when not in use can be turned to conducting rod 15 it
Between.
In the present embodiment, in order to improve reliability when conducting, the upper end of conducting rod 15 is provided with electric conductor 13, it is conductive
Spring is provided between body 13 and conducting rod 15, setting in this way enables the electric conductor 13 on conducting rod 15 to float, and is electrically connected
After bar 12 turns to 15 top of conducting rod, the floating of electric conductor 13 makes spring contraction, it is ensured that electric conductor 13 and the extension bar 12 that is electrically connected
Reliable contacts.
Electric conductor 13 in the present embodiment be it is spherical, the cambered surface of spherical electric conductor, with guiding function, makes as guide surface
The extension bar 12 that is electrically connected can be easy to turn to the position above conducting rod.
In the present embodiment, alternate handover operation input terminal is provided with insulated handle 4 for operating easily, further, is
Meet the operational requirements of friction speed, the input terminal of alternate handover operation and the insulated handle to connect by gear assembly 14,
Gear assembly can be speed increasing gear component or reduction gear component, and constant speed gear assembly also can be set, improve the stabilization of operation
Property.
In the present embodiment, in order to facilitate the position for grasping the extension bar that is electrically connected, observation window 5 is provided on cylinder, observation window is
Three, three observation windows are respectively it is observed that the conducting and disconnection of three-phase.
In the present embodiment, cylinder 3 includes middle cylinder 31 arranged up and down and transition cylinder 32, middle cylinder 31 and transition
The second disc insulator 16 is equipped between cylinder 32, transition cylinder 32 is connected to the lower end of the second disc insulator, the conduction
Bar 15 is fixed in cylinder 3 by the second disc insulator 16, and the upper end of conducting rod 15 is located in middle cylinder 31, and lower end is located at
In transition cylinder 32.
In the present embodiment, be provided with air valve on middle cylinder 31 and transition cylinder 32, the first disc insulator 7 be with
The disc insulator of through-hole, second disc insulator 16 are closed disc insulator, are arranged on the one hand making in this way
Between cylinder 31 be connected to the space of insulating sleeve 2, it is convenient to be filled with insulating gas into middle cylinder 31 and insulating sleeve 2 simultaneously,
On the other hand so that the second disc insulator 16 is played the role of isolation, remove experimental rig from subjects after the completion of test
When, the only intracorporal a small amount of insulating gas of transitional cylinder can be spilt into ambient enviroment, reduce the waste of insulating gas to environment
Pollution.
When in use, definition three-phase is A phase, B phase and C phase to the experimental rig of the present embodiment, is made by operating insulated handle 4
Rotating bar 10 rotates, and drives the extension bar 12 that is electrically connected in turning end to rotate by change gear component 9, observes electricity by observation window 5
The position of connecting rod 12 stops operation, A is conducted at this time, B phase and C when the extension bar 12 that is electrically connected turns to above A phase conducting rod
It mutually disconnects, is completed when to A phase study, when needing to B phase study, continue to operate insulated handle 4, when the extension bar that is electrically connected turns to B phase
When above conducting rod, stop operation, B is conducted at this time, and A phase is disconnected with C phase, and when to C phase study, mode of operation is identical, it then follows
Test is conducted, the principle that non-test phase disconnects.The extension bar that can will be electrically connected after the completion of test can be turned between electric pole, disconnect all
Phase.
In the other embodiments of this experimental rig, cylinder 3 or a complete cylinder can also be not provided with second
Disc insulator is supported fixation to conducting rod by support frame；First disc insulator may be that closed benzvalene form is exhausted
Air valve is arranged for insulating sleeve in edge；It can also be not provided with insulated handle, directly alternate handover operation input terminal is grasped
Make.
In the other embodiments of this experimental rig, conduct piece may be it is pyramidal, the inclined-plane of frustum is guide surface, can also
To be not provided with conduct piece, at this point, when the extension bar that is electrically connected is turned at the corresponding position of conducting rod, be electrically connected extension bar lower end directly with conduction
The conducting of bar upper-end contact；In other embodiments, the connecting pin for the extension bar that can make to be electrically connected has the diameter bigger than electrical connection bar body
Size, accordingly even when the connecting pin for the extension bar that is electrically connected also can be with electric conductor reliable contacts there are certain rigging error.
Claims (9)
1. for the experimental rig of three-phase switching, including insulating sleeve, insulating sleeve upper end are provided with primary connection terminal, insulate
Lower end is connected with cylinder, is equipped with the upper conducting end being conductively connected with the primary connection terminal, the cylinder in the cylinder
It is equipped with three lower conducting ends being electrically connected for three center conductors with three-phase equipment in vivo, it is characterised in that: further include turning
Dynamic arrangements of electric connection, rotation arrangements of electric connection include be electrically connected with primary connection terminal be fixed on consolidating for center in cylinder
In the turning end of fixing end lower end, turning end is equipped with by the outwardly extending cantilever design of body centre, outstanding for fixed end and rolling assembling
The end of arm configuration is equipped with the vertically extending extension bar that is electrically connected, lower end and the fixing end for the extension bar that is electrically connected be electrically connected to form it is described on lead
Electric end；The experimental rig for three-phase switching further includes the driving mechanism for driving turning end rotation, and the extension bar that is electrically connected exists
Rotary motion trace under driving mechanism driving is located at three lower conducting end upper sections and is respectively formed conducting end in corresponding phase to be led under
It is located at the part between three lower conducting ends on the conducting position of electric end conducting, circumferencial direction and is formed and disconnects position.
2. the experimental rig according to claim 1 for three-phase switching, it is characterised in that: be equipped in the insulating sleeve
Contact tube, the upper end of contact tube and primary connection terminal are conductively connected；Upper end is provided with the first disc insulator in the cylinder,
The lower end of the contact tube is fixed by the first disc insulator, and the fixing end is fixed on cylinder by the first disc insulator
Interior center is simultaneously connect with the lower conductive of contact tube.
3. the experimental rig according to claim 2 for three-phase switching, it is characterised in that: the driving mechanism includes becoming
To gear assembly, change gear component includes the first bevel gear connecting with rotating bar and the turning end with rotation arrangements of electric connection
The second bevel gear of connection, input terminal of the first bevel gear as change gear component, second bevel gear is as change gear group
The output end of part；Three lower conducting ends are constituted by being fixed on intracorporal three conducting rods of cylinder.
4. the experimental rig according to claim 3 for three-phase switching, it is characterised in that: be provided with peace on the cylinder
Hole is filled, the rotating bar passes through the mounting hole and extends to the part outside cylinder as alternate handover operation input terminal, described
Alternate handover operation input terminal is connected with insulated handle, and the alternate handover operation input terminal and the insulated handle pass through gear
Component connection.
5. the experimental rig according to any one of claims 1-4 for three-phase switching, it is characterised in that: led under described
The upper end at electric end is provided with the electric conductor for connecting conducting with upper conducting end, and being equipped between the electric conductor and conducting rod makes to lead
There is guidance conducting end to be moved to the guide surface above conducting rod for the spring that electric body floats, the electric conductor.
6. the experimental rig according to claim 5 for three-phase switching, it is characterised in that: the lower end of the extension bar that is electrically connected
The size of the upper conducting end formed is greater than the diameter dimension for the extension bar that is electrically connected.
7. the experimental rig according to claim 5 for three-phase switching, it is characterised in that: be provided with observation on cylinder
Window.
8. the experimental rig according to claim 2-4 any one for three-phase switching, it is characterised in that: the cylinder
Including middle cylinder arranged up and down and transition cylinder, the second disc insulator, mistake are equipped between middle cylinder and transition cylinder
The lower end that cylinder is connected to the second disc insulator is crossed, the lower conducting end is fixed in cylinder by the second disc insulator,
The upper end of the lower conducting end is located in middle cylinder, and lower end is located in transitional cylinder body, first disc insulator be with
The disc insulator of through-hole, second disc insulator are closed disc insulator.
9. the experimental rig according to claim 8 for three-phase switching, it is characterised in that: the middle cylinder and transition
Air valve is provided on cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313202.6A CN109507498A (en) | 2018-11-06 | 2018-11-06 | A kind of experimental rig for three-phase switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313202.6A CN109507498A (en) | 2018-11-06 | 2018-11-06 | A kind of experimental rig for three-phase switching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109507498A true CN109507498A (en) | 2019-03-22 |
Family
ID=65747660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313202.6A Pending CN109507498A (en) | 2018-11-06 | 2018-11-06 | A kind of experimental rig for three-phase switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109507498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261808A (en) * | 2019-06-10 | 2019-09-20 | 国网湖南省电力有限公司 | A kind of vehicle-mounted GIS formula table source device |
| CN113991663A (en) * | 2021-11-10 | 2022-01-28 | 国网浙江省电力有限公司经济技术研究院 | Movable phase-changing device and vehicle-mounted mobile substation |
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| CN205829019U (en) * | 2016-06-28 | 2016-12-21 | 湖南长高电气有限公司 | The Insulation Test frock of Cubicle Gas-Insulated Switchgear cable outlet |
| CN106410657A (en) * | 2016-06-28 | 2017-02-15 | 湖南长高电气有限公司 | Insulated test tooling for cable outgoing line of gas insulated metal-enclosed switchgear |
| CN106569100A (en) * | 2016-10-12 | 2017-04-19 | 河南平高通用电气有限公司 | Lightning arrester testing tool |
| CN108490324A (en) * | 2018-04-04 | 2018-09-04 | 正泰电气股份有限公司 | High-potting phase-sequence changed device |
| CN108680840A (en) * | 2018-05-31 | 2018-10-19 | 国网上海市电力公司 | A kind of insulation test device for 110kV three-phase non-segregated bus |
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| JPH01312477A (en) * | 1988-06-13 | 1989-12-18 | Mitsubishi Electric Corp | Withstand voltage testing apparatus for gas insulated switchgear |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110261808A (en) * | 2019-06-10 | 2019-09-20 | 国网湖南省电力有限公司 | A kind of vehicle-mounted GIS formula table source device |
| CN110261808B (en) * | 2019-06-10 | 2024-04-16 | 国网湖南省电力有限公司 | Vehicle-mounted GIS type meter source device |
| CN113991663A (en) * | 2021-11-10 | 2022-01-28 | 国网浙江省电力有限公司经济技术研究院 | Movable phase-changing device and vehicle-mounted mobile substation |
| CN113991663B (en) * | 2021-11-10 | 2023-03-28 | 国网浙江省电力有限公司经济技术研究院 | Movable phase-changing device and vehicle-mounted mobile substation |
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