CN110501636A - A kind of insulation test device of switchgear - Google Patents
A kind of insulation test device of switchgear Download PDFInfo
- Publication number
- CN110501636A CN110501636A CN201910879679.9A CN201910879679A CN110501636A CN 110501636 A CN110501636 A CN 110501636A CN 201910879679 A CN201910879679 A CN 201910879679A CN 110501636 A CN110501636 A CN 110501636A
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- terminal
- contact
- connection
- conductive
- switchgear
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- 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
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- 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
- G01R31/12—Testing 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
- G01R31/1227—Testing 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
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of insulation test device of switchgear, the insulation test device includes: detection station, sled, automatic connection switching device and control system；The movement of switchgear to be detected is realized by sled, automatic connection switching device is controlled by control system, realize the automatic switchover that the upper flange of switchgear to be detected is connect with HV Terminal or upper low-voltage terminal, the automatic switchover that the lower flange of switchgear to be detected is connect with HV Terminal or lower low-voltage terminal, and then realize the automatic connection during Insulation monitoring, automatic connection switching and automatic earthing electric discharge, without assembling the operation that need to stagger the time with switchgear to be detected, without artificial wiring, it improves work efficiency and ensure that personnel safety, the technological deficiency of artificial wiring is needed in the insulation experimentation for solving existing large size switchgear to be detected.
Description
Technical field
The present invention relates to switchgear safety detection technology field, in particular to the Insulation Test of a kind of switchgear fills
It sets.
Background technique
As dependence and reliability requirement of the people to power supply are higher and higher, power load deepens continuously, transmission of electricity
The voltage class of route is higher and higher, and the Transmission level switchgear of 72.5kV or more is as control most important in power transmission
System and protection equipment, are also rapidly developed.
Transmission level switchgear is because of voltage class height, and heavier-weight, volume, height are larger, insulate to it
When test, leading way is at present: switchgear to be detected, i.e. test product still stop after the assembling and setting of fixed operation position
In the position, (night hours are utilized mostly) when personnel clear out a gathering place, artificial wiring of ascending a height is carried out using step ladder or ladder truck, is connect
Implement positive polarity Insulation Test after the completion of line, manual discharge is needed after positive polarity Insulation Test, secondary wiring commutation of ascending a height is real
Negative polarity Insulation Test is applied, after negative polarity Insulation Test, manual discharge, ascends a height manually release wiring three times again.
As shown in Figure 1, Transmission level switchgear, i.e., upper flange 1-1, laxative remedy are provided on switchgear 1 to be detected
Blue 1-2, when Insulation Test, (switch is in separating brake for the positive-negative polarity Insulation Test that need to carry out between upper flange 1-1, lower flange 1-2
State) and lower flange 1-2 insulation against ground test.Due to the upper flange 1-1 of switchgear 1 to be detected, lower flange 1-2
For terrain clearance general homology in 3350mm, 4750mm or more, test connection is connected to upper flange 1-1, lower flange 1-2
On, thus generally use artificial wiring, positive-negative polarity wiring switching, off-test release wiring when, step ladder need to be equipped with or stepped on
High vehicle carries out operation of ascending a height.
And because test product is higher, stability is bad, is not easy to transport, so test product generally keeps assembly position when Insulation Test
It sets motionless.Then test product and testing equipment distance farther out, further increase the difficulty of artificial wiring when Insulation Test.Meanwhile because of test product
Insulation Test be high-potting, for the contradiction for solving Product Assembly and Insulation Test safety, generally the two is used to stagger the time operation
Mode, Product Assembly operation generally daytime complete, and Insulation Test need etc. assembling works personnel all clear out a gathering place after evening into
Row.
Further, since off-test needs manual discharge, to ensure to test safety, at least need to arrange two testing crews, 1 people
Implement ground connection, another 1 people implements monitoring, to ensure operation safety.
In conclusion the existing Insulation Test operation mode of bulky switch equipment have the disadvantage that 1. Product Assembly with
Product testing need to stagger the time operation, influence place and testing equipment utilization rate；2. the Insulation Test of switchgear connects to take out stitches and need repeatedly
It ascends a height operation, ascends a height the security risk of operation there are personnel；3. the Insulation Test of every test product needs at least No. 2 manual discharges, deposit
In the personnel's high-voltage electric shock risk for thering is manual discharge to slip；4. connecing heavy workload of taking out stitches, (ascend a height needs three-phase, two positions every time, connects
Or tear 6 lines open), it is time-consuming and laborious, working efficiency is lower.
Summary of the invention
The object of the present invention is to provide a kind of insulation test devices of switchgear, to realize the shifting of bulky switch equipment
Automatic connection, automatic connection switching and automatic earthing electric discharge during dynamic and Insulation monitoring.
To achieve the above object, the present invention provides following schemes:
A kind of insulation test device of switchgear, the insulation test device include: detection station, sled, connect automatically
Line switching device and control system；
Switchgear to be detected is arranged on the sled, and the sled is used to pass the switchgear to be detected
It send to the detection station or is moved away from the detection station；
The automatic connection switching device include upper attachment device, lower connecting device, upper connection terminal, lower connection terminal,
Upper switching device, lower switching device, upper contact knife, lower contact knife, upper low-voltage terminal, HV Terminal and lower low-voltage terminal；
One end of the upper attachment device is connect with the upper connection terminal, one end of the lower connecting device and it is described under
The control terminal of connection terminal connection, the upper attachment device and the lower connecting device is connect with the control system, the control
System processed is used to control the state of the upper attachment device, makes the other end and the switch to be detected of the upper attachment device
The upper flange of equipment connects, and controls the state of the lower connecting device, make the other end of the lower connecting device with it is described to be checked
The lower flange of the switchgear of survey connects；
The upper switching device is fixedly connected on the upper connection terminal, the output shaft of the upper switching device with it is described
The control terminal of one end axis connection of upper contact knife, the upper switching device is connect with the control system, and the control system is used for
It controls the upper switching device and drives the upper contact knife, make the other end and the upper low-voltage terminal or the height of the upper contact knife
The connection of pressure side；
The lower switching device is fixedly connected on the lower connection terminal, the output shaft of the lower switching device with it is described
One end axis connection of lower contact knife；The control terminal of the lower switching device is connect with the control system, and the control system is also used
Drive the lower contact knife in controlling the lower switching device, make the lower contact knife the other end and the HV Terminal or it is described under
Low-voltage terminal connection；
The upper low-voltage terminal and the lower low-voltage terminal pass through conductive connection tube equipotential link；
The connection of the high-voltage output end of the HV Terminal and insulation tester, the lower low-voltage terminal are surveyed with the insulation
Try the ground wire connection of instrument.
Optionally, the automatic connection switching device further includes pedestal, three the first hollow stings, three the second hollow branch
Frame and three conductive links；
Three first hollow stings and three second hollow stings are respectively set on the base；
The quantity of the upper connection terminal is three, and the quantity of the lower connection terminal is three, three upper connections
Terminal is separately positioned on the top of three first supports, and three lower connection terminals are separately positioned on three described first
The lower part of bracket；
The quantity of the upper low-voltage terminal, the HV Terminal and the lower low-voltage terminal is three, three it is described on
Low-voltage terminal is separately positioned on the top of three second hollow stings, and three HV Terminals are separately positioned on described
The middle part of two hollow stings, three lower low-voltage terminals are separately positioned on the lower part of second hollow sting；
Three conductive links distinguish the equipotential link three upper low-voltage terminals, three HV Terminals and three
A lower low-voltage terminal.
Optionally, first hollow sting successively includes the first hollow insulating support, the second hollow insulation from top to bottom
Bracket, the first hollow insulating support are fixed on the base；
The lower connection terminal is arranged between the described first hollow insulating support and the second hollow insulating support；Institute
State the upper end that the described second hollow insulating support is arranged in connection terminal.
Optionally, second hollow sting successively includes hollow conducting bracket, the hollow insulating support of third from top to bottom
With the 4th hollow insulating support, the hollow conducting bracket is fixed on the base, and the lower low-voltage terminal is arranged described
Between hollow conducting bracket and the hollow insulating support of the third, the HV Terminal is arranged in the hollow insulating support of the third
Between the 4th hollow insulating support, the upper end of the 4th hollow insulating support is arranged in the upper low-voltage terminal.
Optionally, the upper attachment device includes upper conductive arm, upper conductive mandril, and the upper conductive mandril is air cylinder structure
Or gas spring structure；
One end of the upper conductive arm is fixedly connected with the upper connection terminal, the other end of the upper conductive arm with it is described
The control terminal of one end connection of upper conduction mandril, the upper conductive mandril is connect with the control system, and the control system is used
In controlling the upper conductive mandril, it connect the other end of the upper conductive mandril with the upper flange.
Optionally, the HV Terminal includes upper contact connection structure, lower contact connection structure, conductive box and high-voltage connection
Terminal；
The upper contact connection structure includes contact, opening box, touch spring and cover board；
The conductive box is the box body of both ends open, and the end face that is internally provided with of the conductive box is semicircular three connected
Lever fixing apparatus, the three-phase connecting rod is fixed in the conductive box by the three-phase link fixing means, described to connect
Line terminals are fixed on the outside of the conductive box, and are electrically connected with the three-phase connecting rod by the conductive box；
The top of the three-phase connecting rod is arranged in the opening box, and the opening direction of the opening box is upward, the cover board
It is buckled in the top of the opening box, the lower part of the cover board is fixedly connected with the opening box with the top of the conductive box；
The touch spring is arranged in the opening box, and one end of the touch spring is fixed under the opening box
Bottom surface, the other end of the touch spring are fixed on the lower surface of the ring baffle of the contact outer, and the contact is located at institute
It states ring baffle part below to be arranged inside the touch spring, the contact is located at the part of the ring baffle or more
The through-hole being arranged on the cover board exposes the cover board；
Lower contact connection structure is identical as the upper contact connection structure, the lower contact connection structure and the upper contact
Connection structure is symmetrical arranged.
Optionally, the insulation test device further includes secondary connector；
The static side connector of the secondary connector is fixed on the sled, the static side connector and it is described to
The secondary control end of the switchgear of detection connects；The moved end connector of the secondary connector is fixed at the detection work
Position side, the moved end connector are connect with the control system, and the control system is also used to through the secondary connector
Control the switch state of the switchgear to be detected.
Optionally, the secondary connector includes moved end connector, static side connector and contact protective cover；The moved end connects
Connecing device includes air cylinder support, cylinder, moving contact insulation seat board, multiple dynamic connecting terminals, multiple first conductive supporting plates, multiple hinges
Chain, multiple second conductive supporting plates, multiple moving contact pressure springs and multiple moving contacts；The static side connector includes static contact and insulation
Seat board, multiple static contacts and multiple static terminal blocks；
The air cylinder support is fixed on the detection station side；
The cylinder is fixed on the air cylinder support, and the output shaft of the cylinder is fixed with moving contact insulation seat board
Connection, the cylinder is for driving the moving contact insulation seat board to move up and down；
Multiple dynamic connecting terminals are separately fixed at the upper surface of the moving contact insulation seat board, multiple dynamic wiring
Terminal is electrically connected with multiple first conductive supporting plates, and one end of multiple first conductive supporting plates is respectively fixedly disposed at
The lower surface of the moving contact insulation seat board, the other end of multiple first conductive supporting plates are led with multiple described second respectively
One end of electric support plate is connected by a hinge, and the other end of multiple second conductive supporting plates is respectively fixed with multiple described dynamic
Contact；
Multiple moving contact springs are separately positioned on multiple second conductive supporting plates and multiple moving contacts are exhausted
Between edge seat board；
The static contact and insulation seat board is fixed on the sled, and multiple static terminal blocks are separately positioned on described quiet
The lower surface of contact head insulated seat board, multiple static contacts are separately positioned on the upper surface of the static contact and insulation seat board；
Multiple dynamic connecting terminals are connect with the control system respectively；
The outside of the static contact and the moving contact is arranged in the contact protective cover, sets on the contact protector
It is equipped with secondary aviation socket, multiple pin holes of multiple static terminal blocks respectively with the secondary aviation socket pass through conducting wire
Connection, the secondary aviation plug are connect with the secondary control end of the switchgear to be detected.
Optionally, multiple anti-dumping pressure side plates are provided on the two sides of the detection station along its length；
The sled slides between the anti-dumping pressure side plate of the two sides of the detection station.
Optionally, the anti-dumping pressure side plate includes anti-dumping pressing plate, ball baffle, multiple guiding balls and multiple ball bullets
Spring；
The anti-dumping pressing plate includes the first side plate and the second side plate, the side of first side plate and second side plate
Side is connected at right angle；
The other side of first side plate is fixed on the side of the detection station；Second side plate is located at the sled
Top；
The ball baffle plate setting is between second side plate and the station bottom plate, the ball baffle and described the
Side plate is parallel, and multiple ball holes are provided on the ball baffle, and the diameter of the ball hole is less than the guiding ball
Diameter；
One end of multiple ball springs is separately fixed on first side plate, multiple ball springs it is another
End respectively with multiple ball hole faces；
Multiple guiding balls are separately positioned between multiple ball holes and multiple ball springs.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
The invention discloses a kind of insulation test device of switchgear, the insulation test device include: detection station,
Sled, automatic connection switching device and control system；The movement that switchgear to be detected is realized by sled passes through control system
System control automatic connection switching device, realizes that the upper flange of switchgear to be detected is connect with HV Terminal or upper low-voltage terminal
Automatic switchover, the automatic switchover that the lower flange of switchgear to be detected is connect with HV Terminal or lower low-voltage terminal, in turn
Automatic connection, automatic connection switching and the automatic earthing electric discharge during Insulation monitoring are realized, without setting with switch to be detected
Personnel safety is improved work efficiency and ensure that for the operation that need to stagger the time is assembled without artificial wiring, solve existing big
The technological deficiency of artificial wiring is needed in the insulation experimentation of type switchgear to be detected.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of main view of the structure of the insulation test device of switchgear provided by the invention；
Fig. 2 is that a kind of anti-dumping of insulation test device of switchgear provided by the invention presses the structure chart of side plate；
Fig. 3 is a kind of left view of the structure of the insulation test device of switchgear provided by the invention；
Fig. 4 is a kind of structure chart of the secondary connector of the insulation test device of switchgear provided by the invention；
Fig. 5 is a kind of structure chart of the HV Terminal of the insulation test device of switchgear provided by the invention；
When Fig. 6 is upper flange Insulation Test provided by the invention, the structure graph of automatic connection switching device；
When Fig. 7 is upper flange provided by the invention ground connection electric discharge, the structure graph of automatic connection switching device.
Specific embodiment
The object of the present invention is to provide a kind of insulation test devices of switchgear, to realize that bulky switch to be detected is set
Automatic connection, automatic connection switching and automatic earthing electric discharge during standby movement and Insulation monitoring.
To keep above-mentioned purpose of the invention, feature and excellent terminal more obvious and easy to understand, with reference to the accompanying drawing and specifically
Embodiment is described in further detail invention.
As shown in Figure 1, the present invention provides a kind of insulation test device of switchgear, the insulation test device includes:
Sled 2, test station 3, secondary connector 4, automatic connection switching device 5, control system 6.
Test station 3 is installed on ground, and switchgear 1 to be detected is installed on sled 2, and passes through sled 2 from dress
It is sent on test station 3 with station (or other stations), after transmission in place, by secondary connector 4 by switch to be detected
The secondary control end of equipment 1 is effectively connect with control system 6, realizes the automatic of switchgear 1 to be detected by control system 6
Breaking-closing operating.The upper flange 1-1 of switchgear 1 to be detected, lower flange 1-2 are realized by automatic connection switching device 5
Automatic connection, automatic positive-negative polarity wiring switching, automatic earthing.
Switchgear 1 to be detected is together with sled 2, and height has nearly 5000mm, and the bottom width of sled 2 is about
1000mm, the stability of itself are poor.
Fig. 2 gives sled 2 and tests the overturn-preventing cooperation details of station 3, and two sides are equal along its length on test station 3
Several anti-dumping pressure side plates are provided with, the anti-dumping pressure side plate includes anti-dumping pressing plate 3-1, and the anti-dumping pressing plate 3-1 includes the first side
Plate and the second side plate, the side of first side plate are connect with the side of second side plate at right angle；First side plate
The other side is fixed on the side of detection station；Second side plate is located at the top of the sled, can effectively prevent to be detected
Switchgear 1 topples together with sled 2.Guiding ball 3-2, ball top spring 3-3 and ball are provided on the inside of anti-dumping pressing plate 3-1
Baffle 3-4 passes through guiding when switchgear 1 to be detected transmits together with sled 2 and tests station module 3 into (or sending out)
Ball 3-2 realizes effective importing/export of sled 2, while reducing transmission resistance.Ball top spring 3-3 mainly provides guiding ball
The effective rolling contact power of 3-2, ball baffle 3-4 play a part of to support guiding ball 3-2.
Fig. 3 is a kind of left view of the structure of the insulation test device of switchgear, shows secondary connector and is insulating
Setting position in experimental rig, Fig. 4 are the structure chart of secondary connector.As shown in Figures 3 and 4, the secondary connector includes
Moved end connector, static side connector and contact protective cover；The moved end connector is provided with air cylinder support 4-1, and cylinder 4-2 is fixed
In on air cylinder support 4-1, pass through on output end and moving contact the insulation seat board 4-7 of cylinder 4-2, moving contact insulation seat board 4-7 more
A first conductive supporting plate and multiple second conductive supporting plates, multiple hinge 4-10, multiple moving contact pressure spring 4-8 are arranged multiple dynamic
Contact 4-9.In the other side of moving contact insulation seat board 4-7, the corresponding position of each moving contact 4-9 is provided with dynamic connecting terminal 4-
5, and the two is equipotential link.
Static side connector includes static contact and insulation seat board 4-12, multiple static contact 4-11 and multiple static terminal block 4-13；
It is provided with static contact and insulation seat board 4-12 on sled 2, several static contact 4-11 are provided on the upside of static contact and insulation seat board 4-12,
The corresponding position of the downside of static contact and insulation seat board 4-12, each static contact 4-11 is equipped with static terminal block 4-13, and the two is
Equipotential link.The outside of dynamic/static contact is provided with contact protective cover 4-3, and contact protective cover 4-3 is fixed on sled 2, and its
On be provided with secondary aviation socket 4-4, if several pin holes on secondary aviation socket 4-4 by connecting wire 4-6 respectively with
Dry static terminal block 4-13 realizes effectively electrical connection.
The electric contact output of dynamic connecting terminal 4-5 is connected with control system 6, each electric contact of secondary aviation socket 4-4 and
The secondary aviation plug at the secondary control end of switchgear 1 to be detected effectively connects, then can be controlled by control system 6, drives
The cylinder 4-2 that takes offence movement realizes the moving contact 4-9 of secondary connector, the automatic closure of static contact 4-11 or separation, and then passes through control
The automatic divide-shut brake of switchgear 1 to be detected is realized in the operation of system 6 processed.Moving contact pressure spring 4-8 play provide moving contact 4-9,
The effect of electrical contact force when static contact 4-11 is closed.
Fig. 6 and Fig. 7 gives the structure of automatic connection switching device 5, and Fig. 6 is that upper flange 1-1 connects high pressure, lower flange 1-2
Connect the state of low pressure；After Fig. 7 gives wiring handover operation, upper flange 1-1 connects low pressure, lower flange 1-2 connects the state of high pressure.
Automatic connection switching device 5 is provided with pedestal 5-6, and pedestal 5-6 is effectively fixed on ground.It is set respectively on pedestal 5-6
First hollow insulating support 5-3 and three hollow conducting bracket 5-7 (respectively corresponding A, B, C three-phase) there are three setting.The upper company
The structure of connection device is identical as the structure of the lower connecting device, and the upper attachment device includes upper conductive arm, upper conductive mandril,
The lower connecting device includes lower conductive arm and lower conductive mandril.
The top each first hollow insulating support 5-3 is provided with lower control box 5-4, lower control box include lower switching device and
Lower connection terminal, the lower upper end control box 5-4 are provided with the second hollow insulating support 5-16, the second top hollow insulating support 5-16
It is provided with control box 5-17, upper control box includes lower switching device and lower connection terminal.
Each top hollow conducting bracket 5-7 is provided with lower low-voltage terminal 5-8, and the lower upper end low-voltage terminal 5-8 is provided with
The top of three hollow insulating support 5-10, the hollow insulating support 5-10 of third are provided with HV Terminal 5-11, HV Terminal 5-11
Upper end be provided with the 4th hollow insulating support 5-13, the top of the 4th hollow insulating support 5-13 is provided with low-voltage terminal 5-
14, equipotential link is realized by conductive connection tube 5-9 between the upper low-voltage terminal 5-14 of each phase and lower low-voltage terminal 5-8.Institute
Stating conductive connection tube is U-shaped conductive connection tube.
Upper contact knife 5-15, lower operation are connected on the right side of upper control box 5-17 (including lower switching device and lower connection terminal)
Lower contact knife 5-5 is connected on the right side of case 5-4.Conductive arm 5-18 is provided on the left of upper control box 5-17, lower control box 5-4's
Left side is provided with lower conductive arm 5-2, upper conductive arm 5-18, lower conductive arm 5-2 left part be correspondingly provided with conductive mandril 5-
19, lower conductive mandril 5-1.
The upper switching device and the lower switching device can be driving motor.
Three-phase high-voltage terminal 5-11 realizes equipotential link by three-phase conduction joining beam 5-12, low-voltage terminal 5-8 under three-phase,
Low-voltage terminal 5-14 is all made of the equipotential link that same approach realizes three-phase terminal respectively on three-phase.
Upper conduction mandril 5-19 is that cylinder (or similar gas spring) structure is in front of switchgear 1 to be detected is not in place
Contracted state, after switchgear 1 to be detected is in place, by control, the front end ejection of upper conduction mandril 5-19 has with upper flange 1-1
Imitate conductive contact.Lower conduction mandril 5-1 is also same.
By control control box, it can be achieved that the location status of upper contact knife 5-15, lower contact knife 5-5 switch, to realize upper method
The height compression bonded line switching of blue 1-1, lower flange 1-2.
Illustrate by taking Fig. 6 state as an example, under the state when Insulation Test, upper flange 1-1 is high-voltage charged body, off-test
Afterwards, upper flange 1-1 is to control upper control box 5-17, contact knife in drive by the control system 6 on backstage with residual high pressure charge
5-15 rotates supreme low-voltage terminal 5-14, thus realize automatic earthing, the residual of upper flange 1-1 (and its conductive connecting component) of releasing
Remaining high voltage electricity.
In addition, the door of control system 6 and controlling test room is equipped with reliable interlocking, after Insulation Test, pilot system high-voltage section
Divide under Grounding not yet in effect, the door of controlling test room can not be opened, to ensure the safety of testing crew.
Upper low-voltage terminal of the invention, lower low-voltage terminal are identical with the structure of HV Terminal.
Fig. 5 furthermore presents the electric connection structure of contact knife 5-15 Yu HV Terminal 5-11.
The HV Terminal 5-11 of double contact structure includes upper contact connection structure, lower contact connection structure, conductive box 5-11-
5 and high-voltage connection terminal 5-11-6；The upper contact connection structure includes contact 5-11-1, opening box 5-11-3, touch spring
5-11-4 and cover board 5-11-2；High-voltage connection terminal 5-11-6, conductive box 5-11- are provided on the outside of metallic conduction box 5-11-5
5 upper end is provided with the opening box 5-11-3 of metal, and opening box 5-11-3 is built-in with touch spring 5-11-4, contact 5-11-1,
It is cladded with cover board 5-11-2.
High-voltage connection terminal 5-11-6 is connected with the high-voltage output end of Insulation Test equipment, as the upper contact knife 5-15 of operation to height
It when the sub- 5-11 of pressure side, is contacted with contact 5-11-1, and realizes that is be effectively electrically connected connects by the compression of touch spring 5-11-4
Touch.
The lower part of HV Terminal 5-11 is equipped with symmetrical structure (lower contact connection structure), and lower contact knife 5-5 is beaten to high-voltage end
Corresponding electrical contact can be realized when sub- 5-11.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
Technical solution of the present invention is connected by the control system on backstage, can be facilitated and be realized but be not limited to the to be detected of large size
Switchgear Insulation Test automatic connection, automatic connection switching, automatic earthing, effectively increase testing operation efficiency, protect
Testing operation safety is hindered.
The device of the invention can also expand other wiring pilot projects that need to ascend a height for large electric equipment.
Each embodiment in this specification is described in a progressive manner, what each embodiment weight terminal illustrated be and its
The difference of his embodiment, the same or similar parts in each embodiment may refer to each other.
Specific examples are used herein to describe the principles and implementation manners of the present invention, the explanation of above embodiments
Method and its core concept of the invention are merely used to help understand, described embodiment is only that a part of the invention is real
Example is applied, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of insulation test device of switchgear, which is characterized in that the insulation test device includes: detection station, cunning
Sledge, automatic connection switching device and control system；
Switchgear to be detected is arranged on the sled, and the sled is for the switchgear to be detected to be sent to
The detection station is moved away from the detection station；
The automatic connection switching device include upper attachment device, lower connecting device, upper connection terminal, lower connection terminal, on cut
Changing device, lower switching device, upper contact knife, lower contact knife, upper low-voltage terminal, HV Terminal and lower low-voltage terminal；
One end of the upper attachment device is connect with the upper connection terminal, one end of the lower connecting device and the lower connection
The control terminal of terminal connection, the upper attachment device and the lower connecting device is connect with the control system, the control system
The state united for controlling the upper attachment device makes the other end and the switchgear to be detected of the upper attachment device
Upper flange connection, control the state of the lower connecting device, make the other end of the lower connecting device with it is described to be detected
The lower flange of switchgear connects；
The upper switching device is fixedly connected on the upper connection terminal, the output shaft of the upper switching device and the upper touching
The control terminal of one end axis connection of knife, the upper switching device is connect with the control system, and the control system is for controlling
The upper switching device drives the upper contact knife, makes the other end and the upper low-voltage terminal or the high-voltage end of the upper contact knife
Son connection；
The lower switching device is fixedly connected on the lower connection terminal, the output shaft of the lower switching device and the lower touching
One end axis connection of knife；The control terminal of the lower switching device is connect with the control system, and the control system is also used to control
It makes the lower switching device and drives the lower contact knife, make the other end and the HV Terminal or the lower low pressure of the lower contact knife
Terminal connection；
The upper low-voltage terminal and the lower low-voltage terminal pass through conductive connection tube equipotential link；
The high-voltage output end of the HV Terminal and insulation tester connection, the lower low-voltage terminal with the ground of insulation tester
Line connection.
2. the insulation test device of switchgear according to claim 1, which is characterized in that the automatic connection switching dress
Set further includes pedestal, three the first hollow stings, three the second hollow stings and three conductive links；
Three first hollow stings and three second hollow stings are respectively set on the base；
The quantity of the upper connection terminal is three, and the quantity of the lower connection terminal is three, three upper connection terminals
It is separately positioned on the top of three first supports, three lower connection terminals are separately positioned on three first supports
Lower part；
The quantity of the upper low-voltage terminal, the HV Terminal and the lower low-voltage terminal is three, three upper low pressure
Terminal is separately positioned on the top of three second hollow stings, and it is empty that three HV Terminals are separately positioned on described second
The middle part of cardiac skeleton, three lower low-voltage terminals are separately positioned on the lower part of second hollow sting；
Three conductive links distinguish the equipotential link three upper low-voltage terminals, three HV Terminals and three institutes
State lower low-voltage terminal.
3. the insulation test device of switchgear according to claim 2, which is characterized in that first hollow sting from
Under to it is upper include successively the first hollow insulating support, the second hollow insulating support, the first hollow insulating support is fixed on institute
It states on pedestal；
The lower connection terminal is arranged between the described first hollow insulating support and the second hollow insulating support；On described
The upper end of the described second hollow insulating support is arranged in connection terminal.
4. the insulation test device of switchgear according to claim 2, which is characterized in that second hollow sting from
Under to it is upper successively include hollow conducting bracket, the hollow insulating support of third and the 4th hollow insulating support, the hollow conductive branch
Frame is fixed on the base, and the lower low-voltage terminal is arranged in the hollow conducting bracket and the hollow insulating support of the third
Between, the HV Terminal is arranged between the hollow insulating support of the third and the 4th hollow insulating support, it is described on
The upper end of the 4th hollow insulating support is arranged in low-voltage terminal.
5. the insulation test device of switchgear according to claim 1, which is characterized in that the upper attachment device includes
Upper conductive arm, upper conductive mandril, the upper conductive mandril is air cylinder structure or gas spring structure；
One end of the upper conductive arm is fixedly connected with the upper connection terminal, the other end of the upper conductive arm with it is described on lead
One end of electric mandril connects, and the control terminal of the upper conductive mandril is connect with the control system, and the control system is for controlling
The upper conductive mandril is made, connect the other end of the upper conductive mandril with the upper flange.
6. the insulation test device of switchgear according to claim 1-5, which is characterized in that the high-voltage end
Attached bag includes upper contact connection structure, lower contact connection structure, conductive box and high-voltage connection terminal；
The upper contact connection structure includes contact, opening box, touch spring and cover board；
The conductive box is the box body of both ends open, and the end face that is internally provided with of the conductive box is consolidated for semicircular three-phase connecting rod
Determine device, the three-phase connecting rod is fixed in the conductive box by the three-phase link fixing means, the terminals
Son is fixed on the outside of the conductive box, and is electrically connected with the three-phase connecting rod by the conductive box；
The top of the three-phase connecting rod is arranged in the opening box, and the opening direction of the opening box is upward, and the cover board is buckled in
The top of the opening box, the lower part of the cover board are fixedly connected with the opening box with the top of the conductive box；
The touch spring is arranged in the opening box, and one end of the touch spring is fixed on the bottom of the opening box
Face, the other end of the touch spring are fixed on the lower surface of the ring baffle of the contact outer, and the contact is located at described
Ring baffle part below is arranged inside the touch spring, and the part that the contact is located at the ring baffle or more is worn
The through-hole being arranged on the cover board is crossed, the cover board is exposed；
Lower contact connection structure is identical as the upper contact connection structure, and the lower contact connection structure is connect with the upper contact
Symmetrical configuration setting.
7. the insulation test device of switchgear according to claim 1, which is characterized in that the insulation test device is also
Including secondary connector；
The static side connector of the secondary connector is fixed on the sled, the static side connector with it is described to be detected
Switchgear secondary control end connection；The moved end connector of the secondary connector is fixed at the detection station one
Side, the moved end connector are connect with the control system, and the control system is also used to control by the secondary connector
The switch state of the switchgear to be detected.
8. the insulation test device of switchgear according to claim 7, which is characterized in that the secondary connector includes
Moved end connector, static side connector and contact protective cover；The moved end connector includes air cylinder support, cylinder, moving contact insulation
Seat board, multiple dynamic connecting terminals, multiple first conductive supporting plates, multiple hinges, multiple second conductive supporting plates, multiple moving contacts
Pressure spring and multiple moving contacts；The static side connector includes static contact and insulation seat board, multiple static contacts and multiple static terminal blocks；
The air cylinder support is fixed on the detection station side；
The cylinder is fixed on the air cylinder support, the output shaft of the cylinder and the fixed company of moving contact insulation seat board
It connects, the cylinder is for driving the moving contact insulation seat board to move up and down；
Multiple dynamic connecting terminals are separately fixed at the upper surface of the moving contact insulation seat board, multiple dynamic connecting terminals
It is electrically connected with multiple first conductive supporting plates, one end of multiple first conductive supporting plates is respectively fixedly disposed at described
The lower surface of moving contact insulation seat board, the other end of multiple first conductive supporting plates are propped up with multiple second conductions respectively
One end of fagging is connected by a hinge, and the other end of multiple second conductive supporting plates is respectively fixed with multiple dynamic touchings
Head；
Multiple moving contact springs are separately positioned on multiple second conductive supporting plates and multiple moving contact insulating bases
Between plate；
The static contact and insulation seat board is fixed on the sled, and multiple static terminal blocks are separately positioned on the static contact
The lower surface of insulation seat board, multiple static contacts are separately positioned on the upper surface of the static contact and insulation seat board；
Multiple dynamic connecting terminals are connect with the control system respectively；
The outside of the static contact and the moving contact is arranged in the contact protective cover, is provided on the contact protector
Secondary aviation socket, multiple static terminal blocks are connected with multiple pin holes of the secondary aviation socket by conducting wire respectively
It connects, the secondary aviation plug is connect with the secondary control end of the switchgear to be detected.
9. the insulation test device of switchgear according to claim 1, which is characterized in that the two sides of the detection station
On be provided with multiple anti-dumpings pressure side plates along its length；
The sled slides between the anti-dumping pressure side plate of the two sides of the detection station.
10. the insulation test device of switchgear according to claim 9, which is characterized in that the anti-dumping presses side plate packet
Include anti-dumping pressing plate, ball baffle, multiple guiding balls and multiple ball springs；
The anti-dumping pressing plate includes the first side plate and the second side plate, the side of the side of first side plate and second side plate
It is connected at right angle；
The other side of first side plate is fixed on the side of the detection station；Second side plate is located at the upper of the sled
Side；
The ball baffle plate setting is between second side plate and the station bottom plate, the ball baffle and first side
Plate is parallel, and multiple ball holes are provided on the ball baffle, and the diameter of the ball hole is less than the diameter of the guiding ball；
One end of multiple ball springs is separately fixed on first side plate, the other end point of multiple ball springs
Not with multiple ball hole faces；
Multiple guiding balls are separately positioned between multiple ball holes and multiple ball springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879679.9A CN110501636B (en) | 2019-09-18 | 2019-09-18 | Insulation test device of switch equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879679.9A CN110501636B (en) | 2019-09-18 | 2019-09-18 | Insulation test device of switch equipment |
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| CN110501636B CN110501636B (en) | 2021-08-06 |
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| CN113394033A (en) * | 2021-06-15 | 2021-09-14 | 中航宝胜电气股份有限公司 | Automatic running-in system and method for power transmission grade high-voltage vacuum circuit breaker |
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| CN110501636B (en) | 2021-08-06 |
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