CN110031730A - Have the survey insulation device and method of five anti-function 6/10kV switchgears - Google Patents
Have the survey insulation device and method of five anti-function 6/10kV switchgears Download PDFInfo
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- CN110031730A CN110031730A CN201910235469.6A CN201910235469A CN110031730A CN 110031730 A CN110031730 A CN 110031730A CN 201910235469 A CN201910235469 A CN 201910235469A CN 110031730 A CN110031730 A CN 110031730A
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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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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
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Abstract
The invention discloses a kind of survey insulation device and method for having five anti-function 6/10kV switchgears, and wherein equipment includes transmission chassis vehicle, conductive contact frame, electromagnetic mechanical blocking mechanism.Being driven chassis vehicle includes chassis trolley and Support tray, conductive contact frame includes insulation column, punching insulating cylinder, contact tube, plum blossom fingertip and conductive copper plate, electromagnetic mechanical blocking mechanism includes electromagnetic relay and mechanical lock, after electromagnetic relay is powered, electromagnetic coil suction, mechanical lock is opened sealed between chassis trolley and Support tray, chassis trolley be detached from Support tray it is sealed after enter in the switch gear room of switchgear, contact tube and plum blossom fingertip are electrically connected with tested insulation load equipment, it is connect by survey insulator arrangement with the conductive copper plate in punching insulating cylinder, make survey insulation processing.It effectively solves live operation maintenance personnel and surveys difficult, the higher feature of security risk that insulate.
Description
Technical field
The present invention relates to a kind of survey insulation device and method for having five anti-function 6/10kV switchgears.
Background technique
Now, with social development, all types of industries enterprise is optimization power supply and distribution mode, and many users are all made of 6/10kV and open
It closes cabinet to be powered for relevant device, takes relatively high power voltage supply mode, effectively low-voltage and high-current can be avoided to set
Prepare make it is difficult, be easy fever, the shortcomings that installation space is larger, overall cost is higher etc., be all types of user on sharing of load
Condition is provided, still, whether High Voltage Power Supply mode is good before putting into operation to verify all kinds of electrical load equipment, to electrical
The insulation measurement (hereinafter referred to as surveying insulation) of equipment is maximally efficient and extremely important, and a most direct ring.
It is all that insulating glove and mask are worn by operation maintenance personnel at present for the survey insulation processing of 6/10kV switchgear
Afterwards, cabinet rear cabinet door or switchgear safety screen are turned on the switch, work is measured after identifying safety, specifically turns on the switch cabinet
Rear cabinet door or after turning on the switch the safety screen of cabinet, the electroscope for selecting voltage class suitable and qualified identifies switchgear without electricity
Pressure, then select voltage class suitable and qualified megger connected load electrical equipment measures, read megger data.This survey
The mode of insulation processing not only increases only the maintenance workload of enterprise's operation maintenance personnel, while electric shock event also easily occurs, and
And after measurement, however it remains needs are resumed work, and cannot fundamentally solve to be measured equipment after equipment is restored completely
The problem of whether finally insulating.
Summary of the invention
The purpose of the present invention is to provide a kind of survey insulation device and method for having five anti-function 6/10kV switchgears, can
To solve operation maintenance personnel with danger brought by close contact high-tension apparatus.
Have the survey insulation equipment of five anti-function 6/10kV switchgears in the present invention, includes that transmission chassis vehicle, conduction connect
Touch frame, electromagnetic mechanical blocking mechanism, in which:
The transmission chassis vehicle includes chassis trolley, described for the Support tray of support and the delivery chassis trolley
Chassis trolley can enter in switch cabinet out of described Support tray；
The conductive contact frame include be fixedly mounted on chassis trolley upper surface can be with the chassis trolley
Mobile support frame, the inner wall of the support frame is fixedly installed side by side there are three insulation column, in three insulation columns
Top be arranged in parallel there are three round tube hole, and a punching insulating cylinder is embedded in each round tube hole, three insulation are propped up
The other end of column is fixedly connected to the contact tube and plum blossom fingertip that can be electrically connected with tested insulation load equipment, in each institute
The junction for stating contact tube and the insulation column is fixedly connected to one piece of conductive copper plate, and three pieces of conductive copper plates are through 90
It is inserted into and extends into the corresponding punching insulating cylinder respectively after the bending of degree angle；It is fixedly installed on the side wall of the support frame
There is the unlatching guide plate that can open the switchgear rear cabinet door or safety screen；
The electromagnetic mechanical blocking mechanism includes the electromagnetic relay for being fixedly mounted on the support frame inner bottom surface, with
And it is mounted on the mechanical lock between chassis trolley and Support tray, and after electromagnetic relay is powered, electromagnetic coil suction, institute
It states mechanical lock and opens sealed between chassis trolley and the Support tray, the chassis trolley is detached from the Support tray
It is entered after sealed in the switch gear room of the switchgear, the contact tube and plum blossom fingertip are electrically connected with tested insulation load equipment
It connects, is connect by survey insulator arrangement with the conductive copper plate in the punching insulating cylinder, make survey insulation processing.
The Support tray includes the plate for accommodating the chassis trolley, stamping is had the two sides of plate are primary
Side plate has folded plate to next time stamping in the front end of the plate.
The lower surface of the chassis trolley is fixedly installed the four rolling that can be moved in the Support tray, while in institute
There are two the front end face fixed settings for stating chassis trolley facilitates the handrail for pushing and pulling the chassis trolley movement.
Jam plate that can be sealed with the Support tray is provided in the vehicle frame of the chassis trolley, the jam plate is by the electromagnetism
Relay control driving.
Jam plate that can be sealed with the Support tray is provided in the vehicle frame of the chassis trolley, the jam plate is by being threaded through
State the lock pin control driving of folded plate described in Support tray front end.
One end setting that the plate is located at the folded plate is limited there are two being used to limit chassis trolley shift position
Column.
The support frame is in half open-like shape, and the punching insulating cylinder is embedded the sealed end in the support frame.
Have the survey insulating method of the survey insulation equipment of five anti-function 6/10kV switchgears in the present invention, includes following step
It is rapid:
1) the survey insulation for having five anti-function 6/10kV switchgears is shifted onto abovementioned steps with equipment utilization switch cart
Before the switchgear for pulling out switch；
2) it pulls out in five anti-function 6/10kV switchgears of tool and switchs indoor switch；
3) grounding switch in switchgear is separated, to relay power, opens the machinery between chassis trolley and Support tray
Lock structure；
4) driving mechanism for driving the small car in chassis, makes chassis trolley enter switchgear along the sliding rail of switchgear inner wall
It is interior；
5) during chassis trolley enters, the unlatching guide plate on support frame side wall pushes switchgear rear cabinet door or safety open
Baffle, and switchgear is traveled further into, it is electrically connected plum blossom fingertip with tested insulation load equipment；
6) conductive copper plate that insulator arrangement connection extends in the support frame punching insulating cylinder is surveyed, reads and surveys insulator arrangement
In data, complete to survey insulation processing, finally directly take out chassis trolley, restore switchgear.
In the step 3), lock pin is directly driven, opens the sealed connection between the chassis trolley and the Support tray.
The device and method for surveying insulation for having five anti-function 6/10kV switchgears that can thoroughly solve the above problems, are insulated using the survey
Equipment can be separated in grounding switch, and under the premise of bus bar side safety screen is not opened, safe carry out load electrical equipment is exhausted
Edge resistance measurement work.
Survey insulation in the present invention is reliably connected with equipment by plum blossom fingertip and load electrical equipment and conduction, then by leading
Electrolytic copper plate is conducted, and is drawn conductive copper plate by punching insulating cylinder, surveys insulator arrangement connection to facilitate, such as: megger, resistance
The measurement line of table connects, so that survey crew is physically isolated with electrification position.
Survey insulation in the present invention is provided with unlatching guide plate with equipment utilization support frame side wall, in chassis trolley access switch
Switchgear rear cabinet door or safety screen are opened while in cabinet, avoid the manually opened switchgear rear cabinet door of operation maintenance personnel or safety catch
Plate avoids operation maintenance personnel Close approach load electrical equipment, it is ensured that the safety of operation maintenance personnel solves long-standing problem O&M people
Member's measurement insulation difficulty, the higher problem of security risk, have achieved the purpose that essential safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that insulation equipment is surveyed in the present invention.
Fig. 2 is that schematic side view of the insulation equipment when removing Support tray is surveyed in the present invention.
Fig. 3 is the schematic side view of Support tray in the present invention.
Specific embodiment
It elaborates below in conjunction with specific embodiment of the attached drawing to the survey insulation equipment in the present invention.
The related orientation such as the front, back, left, right, up, down being set forth below is with survey insulation shown in Fig. 1 is with equipment
The heart, the direction that chassis trolley 10 moves in Support tray 11 are set, define chassis trolley 10 access switch cabinet direction be to
After move, remove the direction of switchgear to move forward.
As depicted in figs. 1 and 2, have five anti-function 6/10kV switchgears survey insulation use equipment, include transmission chassis vehicle,
Conductive contact frame, electromagnetic mechanical blocking mechanism, in which:
Transmission chassis vehicle includes the indoor chassis trolley 10 of switch that can enter five anti-function 6/10kV switchgears of tool,
Support tray 11 for support chassis trolley 10.It is used in the use of chassis trolley 10 five anti-function 6/10kV switchgears of existing tool
Chassis trolley includes vehicle frame, the sliding rail positioned at vehicle frame two sides or sliding block (not shown), and being mounted on frame interior can drive
The driving device that dynamic chassis trolley 10 is moved along switchgear inner wall, the driving device can be screw structure, pass through rotary screw rod
It enters entire chassis trolley 10 in switch cabinet body, can also be removed out of switch cabinet body, for example, can be using China
Switch cabinet chassis vehicle disclosed in patent CN2017101173321, naturally it is also possible to other structures are used, due to chassis trolley 10
It has been commonly used in existing switchgear, has belonged to commercially available matured product, therefore not for the specific structure of chassis trolley 10
It is described in detail again.
Survey insulation in the present invention fixes peace with the lower surface that equipment is the chassis trolley 10 used in existing switchgear
Four rolling 15 is filled, can also be moved scroll forward and backward in Support tray 11 while so that chassis trolley 10 is slipped into switchgear
It is dynamic, and in the fixed setting of the front-end surface of chassis trolley 10, there are two handrails 12, facilitate the scroll forward and backward of push-and-pull chassis trolley 10
It is mobile.
Support tray 11 includes the plate 18 that can accommodate chassis trolley 10, stamping has side the two sides of plate 10 are primary
Plate 16, on both sides, the intermediate of side plate 16 forms the through slot for accommodating chassis trolley 10, and the front end of plate 10 is to next time stamping
There is folded plate 17, there are four support legs 14 for setting in the lower section of plate 18, can be placed in Support tray 11 using support leg 14 existing
On switch cart in thermal power plant, the survey insulation in the present invention can be moved to using switch cart with equipment and need to survey
Before the switchgear of insulation, switch cart is a kind of for conveying the small of various equipment in current thermal power plant switchgear computer room
Vehicle belongs to commonly used equipment in thermal power plant, therefore its specific structure and working principle is no longer described in detail.
One jam plate 20 is installed, which can be sealed with Support tray 11 and opens in the vehicle frame of chassis trolley 10.Such as
Shown in Fig. 3, the front end of 11 side plate 16 of Support tray offers lockhole 19 close to 20 position of jam plate of chassis trolley 10, connects with jam plate 20
The lock pin 13 connect is provided with handle 9 after passing through the strip through-hole 22 opened up in folded plate 17, by pushing handle 9 that can make jam plate
20 end enters sealed with Support tray 11 in lockhole 19, and the disengaging lockhole 19 of jam plate 20 can also be made to make chassis trolley 10 and hold
Pallet 11 is in disengaged position, then pushes handrail 12 that chassis trolley 10 can be made to be moved forward and backward in Support tray 11.
The front end of plate 18 is fixed with two limited posts 8 close to the position of folded plate 17, exists for limiting chassis trolley 10
Shift position in plate 18, while chassis trolley 10 can be positioned.
Jam plate 20 can also be controlled by electromagnetic relay 7, can be with when the hot-wire coil of electromagnetic relay 8 is powered closure
Drive jam plate 20 mobile, sealed between disengaging and lockhole 19, when electromagnetic relay 8 is not powered on, jam plate 20 is in release conditions,
End enters in lockhole 19, makes chassis trolley 10 and Support tray 11 in sealed stationary state.For chassis trolley 10 and Support tray
Mechanical blocking mechanism between 11 can use hand structure, be also possible to the structure of electromagnetic relay control, this is to this
It is easy to accomplish for the technical staff in field, and can be completed by a variety of specific structures, as long as the present invention can be real
Existing above-mentioned sealed, open function, is no longer described in detail its specific structure.
Conductive contact frame includes the support frame 25 for being fixedly mounted on half open-like shape of 10 upper surface of chassis trolley, support frame
25 close to one end of 10 handrail 12 of chassis trolley be in closed, and setting is there are three round tube hole side by side, in each round tube hole
It is embedded a punching insulating cylinder 26, support frame 25 is fixed there are three insulation column 28 toward open direction in its inner surface, and this three
Insulation column 28 is located at the lower section of three round tube holes, with three punching insulating cylinders 26 in being arranged in parallel up and down, at each
The other end of insulation column 28 is fixedly connected with one end of contact tube 29, and the other end of contact tube 29 is fixedly connected with plum blossom
Fingertip 30 can be connect using plum blossom fingertip 30 with load electrical equipment, and plum blossom fingertip 30 is connect as with load electrical equipment
And conductive conducting end, contact tube 29 and plum blossom fingertip 30 take electric equipment identical, belong to existing in existing switchgear
Commercially available matured product can reliably be connect with load electrical equipment using plum blossom fingertip.In each group of contact tube 29 and absolutely
Edge props up and is fixedly connected with a conductive copper plate 27 between 28, penetrates punching insulation after the other end an angle of 90 degrees bending of the conductive tube plate 27
In cylinder 26.It is reliably connected by plum blossom fingertip 30 and load electrical equipment and conductive, then is conducted by conductive copper plate 27, and by
Punching insulating cylinder 26 draws conductive copper plate 27, to facilitate the connection for surveying insulator arrangement (such as megger).
It is fixedly connected on the side wall of support frame 25 and opens guide plate 32,10 access switch cabinet of trolley switch is indoor on chassis
Cabinet plate or switchgear safety screen after switchgear can be opened in the process, facilitate the reliable of plum blossom fingertip 30 and load electrical equipment
Connection.
In addition, in auxiliary contact (sensing of the lower surface of chassis trolley 10 installation with monitoring 10 physical location of chassis trolley
Device), to be accurately reacted to display device, while it can guarantee contact tube 29 and plum blossom fingertip 30 and load electrical equipment
Reliable contacts.
Using when survey insulation carries out surveying insulation with equipment to load electrical equipment in the present invention, sequentially include the following steps:
1) it pulls out in five anti-function 6/10kV switchgears of the corresponding tool of load electrical equipment and switchs indoor switch；
2) the survey insulation in the present invention is shifted onto abovementioned steps with equipment using the switch cart in thermal power plant
Before the switchgear for pulling out switch；
3) grounding switch in switchgear is separated manually, is powered to electromagnetic relay 8, is controlled the jam plate in chassis trolley 10
20, open jam plate 20 with Support tray 11 sealed；
4) driving mechanism in chassis trolley 10 is driven, chassis trolley 10 is made to enter switch along the sliding rail of switchgear inner wall
In cabinet；
5) during chassis trolley 10 enters, the unlatching guide plate 32 on 25 side wall of support frame pushes switchgear rear cabinet door open
Or safety screen, and switchgear is traveled further into, it is electrically connected plum blossom fingertip 30 with tested insulation load equipment；
6) connecting line for surveying insulator arrangement megger is directly connected to the conductive copper extended in 25 punching insulating cylinder 26 of support frame
Plate 27 reads the data surveyed in insulator arrangement, completes to survey insulation processing, makes bottom finally by the driving mechanism in chassis trolley 10
Disk trolley is moved from switchgear, is entered in Support tray 11, then pulls chassis trolley 10 by handrail 12, is abutted with limited post 8
Rear lock plate 20 and the sealed fixation of Support tray 11, while restoring switchgear.
In conclusion the survey insulation in the present invention makes full use of physically-isolated means with equipment, efficiently solve previous
It is big to measure insulated working amount, the high problem of security risk.
Claims (9)
1. a kind of survey insulation equipment for having five anti-function 6/10kV switchgears, which is characterized in that include transmission chassis vehicle, lead
It is in electrical contact frame, electromagnetic mechanical blocking mechanism, in which:
The transmission chassis vehicle includes chassis trolley, for the Support tray of support and the delivery chassis trolley, the chassis
Trolley can enter in switch cabinet out of described Support tray；
The conductive contact frame includes to be fixedly mounted on chassis trolley upper surface to move together with the chassis trolley
Support frame, the inner wall of the support frame is fixedly installed side by side there are three insulation column, in the upper of three insulation columns
Side is arranged in parallel there are three round tube hole, and a punching insulating cylinder is embedded in each round tube hole, three insulation columns
The other end, which is fixedly connected to, described to lead with tested insulation the load equipment contact tube and plum blossom fingertip that be electrically connected each
The junction of electrolytic copper pipe and the insulation column is fixedly connected to one piece of conductive copper plate, and three pieces of conductive copper plates are through an angle of 90 degrees
It is inserted into and extends into the corresponding punching insulating cylinder respectively after bending；Energy is fixedly installed on the side wall of the support frame
Open the unlatching guide plate of the switchgear rear cabinet door or safety screen；
The electromagnetic mechanical blocking mechanism includes the electromagnetic relay for being fixedly mounted on the support frame inner bottom surface, Yi Jian
Mechanical lock between chassis trolley and Support tray, after electromagnetic relay is powered, electromagnetic coil suction, the machine
Sealed between tool blocking mechanism unlatching chassis trolley and the Support tray, the chassis trolley is detached from the sealed of the Support tray
It being entered in the switch gear room of the switchgear afterwards, the contact tube and plum blossom fingertip are electrically connected with tested insulation load equipment,
It is connect by survey insulator arrangement with the conductive copper plate in the punching insulating cylinder, makees survey insulation processing.
2. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 1, which is characterized in that described
Support tray includes the plate for accommodating the chassis trolley, the two sides of plate it is primary it is stamping have side plate, described
There is folded plate in the front end of plate to next time stamping.
3. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 1, which is characterized in that described
The lower surface of chassis trolley is fixedly installed the four rolling that can be moved in the Support tray, while in the chassis trolley
There are two facilitate to push and pull the mobile handrail of the chassis trolley for front end face fixed setting.
4. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 1, which is characterized in that described
Jam plate that can be sealed with the Support tray is provided in the vehicle frame of chassis trolley, the jam plate is controlled by the electromagnetic relay and driven
It is dynamic.
5. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 2, which is characterized in that described
Jam plate that can be sealed with the Support tray is provided in the vehicle frame of chassis trolley, the jam plate is by being threaded through the Support tray front end
The lock pin of the folded plate controls driving.
6. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 2, which is characterized in that described
One end that plate is located at the folded plate is used to limit chassis trolley shift position limited post there are two being arranged.
7. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 1, which is characterized in that described
Support frame is in half open-like shape, and the punching insulating cylinder is embedded the sealed end in the support frame.
8. it is a kind of using the survey insulating method for surveying insulation equipment described in above-mentioned any one top claim, it include following step
It is rapid:
1) the survey insulation for having five anti-function 6/10kV switchgears is shifted onto abovementioned steps with equipment utilization switch cart and is had been pulled out
Before the switchgear of switch；
2) it pulls out in five anti-function 6/10kV switchgears of tool and switchs indoor switch；
3) grounding switch in switchgear is separated, to relay power, opens the mechanical locking between chassis trolley and Support tray
Structure；
4) driving mechanism for driving the small car in chassis, enters chassis trolley in switchgear along the sliding rail of switchgear inner wall；
5) during chassis trolley enters, the unlatching guide plate on support frame side wall pushes switchgear rear cabinet door or safety catch open
Plate, and switchgear is traveled further into, it is electrically connected plum blossom fingertip with tested insulation load equipment；
6) conductive copper plate that insulator arrangement connection extends in the support frame punching insulating cylinder is surveyed, reads and surveys in insulator arrangement
Data are completed to survey insulation processing, finally directly take out chassis trolley, restore switchgear.
9. the survey insulation equipment of five anti-function 6/10kV switchgears of tool according to claim 8, which is characterized in that described
In step 3), lock pin is directly driven, opens the sealed connection between the chassis trolley and the Support tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235469.6A CN110031730B (en) | 2019-03-27 | 2019-03-27 | Insulation testing equipment and method for 6/10kV switch cabinet with five-prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235469.6A CN110031730B (en) | 2019-03-27 | 2019-03-27 | Insulation testing equipment and method for 6/10kV switch cabinet with five-prevention function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110031730A true CN110031730A (en) | 2019-07-19 |
| CN110031730B CN110031730B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910235469.6A Active CN110031730B (en) | 2019-03-27 | 2019-03-27 | Insulation testing equipment and method for 6/10kV switch cabinet with five-prevention function |
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| CN (1) | CN110031730B (en) |
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| CN113223794A (en) * | 2021-05-07 | 2021-08-06 | 大连法伏安电器有限公司 | Composite casing arrester production equipment integrated device |
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