CN202405620U - Intelligent test switch cabinet - Google Patents
Intelligent test switch cabinet Download PDFInfo
- Publication number
- CN202405620U CN202405620U CN2011203376901U CN201120337690U CN202405620U CN 202405620 U CN202405620 U CN 202405620U CN 2011203376901 U CN2011203376901 U CN 2011203376901U CN 201120337690 U CN201120337690 U CN 201120337690U CN 202405620 U CN202405620 U CN 202405620U
- Authority
- CN
- China
- Prior art keywords
- switch cabinet
- test switch
- intelligent test
- supporting frame
- movable supporting
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
An intelligent test switch cabinet comprises a rectangular cabinet rack and a side plate inserted on the cabinet rack. The bottom of the cabinet rack is provided with a fixed support; a guide rail is provided beside the fixed support; a movable support is interlocked with the guide rail through the pulley at bottom; the movable support and the fixed support are respectively fixedly provided with mother board pillar insulators; the bottom of the movable support is provided with a precession nut; a provided rotating screw rod is matched with the precession nut; the rotating screw rod is connected with a motor by hub connection; the motor is connected with a programmable logic controller; and a laser range finding apparatus is connected with the programmable logic controller. According to the utility model, the operation is convenient, the motor control is flexible, the distance measure is convenient, and the intelligent test switch cabinet is specially convenient for insulation performance research on the electrical structure in the switch cabinet.
Description
Technical field
The utility model relates to a kind of switch cubicle, relates in particular to a kind of intelligent test switch cabinet.
Background technology
High voltage switchgear is to use the switchgear extremely wide, that quantity is maximum.Since its maybe design, manufacturing, installation and operation safeguard aspect the problem of various degrees; Thereby rate of failure is often higher; In case particularly main transformer low-side switch cabinet fault might cause the transformer damage accident under the situation of protection mismate.Manufacture level is arranged the reason of switchgear generation accident and processing quality is low, creepage distance and air gap not enough and the reason of isolating switch or aspects such as the circuit breaker contact is bad, Lightning Over-voltage.In the switchgear accident of many character, insulation fault accounts for very big proportion, and pilosity is born in 10kV and 35kV electric pressure, and the consequence that causes is also very serious, particularly the armored metal enclosed switchgear.The 35kV metal enclosed switchgear is to be developed by the open type switchgear; With the air is the switchgear of main insulation medium; Have flexible design, assembled scheme is many, Operation and Maintenance is simple, the cost performance advantages of higher, thereby become the main product of this voltage range.
For satisfying the requirement of cabinet miniaturization; The method that the high voltage switchgear industry is generally used at present is to adopt composite material to make the insulating case of multiple shape in a large number; Encase the insulation weakness; Alternate and install insulating barrier over the ground between the air gap additional, circuit breaker polar measure such as seal admittedly comes reinforced insulation intensity.Particularly be used in the high voltage switchgear of high altitude localities; Major part all is to adopt the reinforced insulation measure to reach requirement; And for failing to be optimized design in the physical dimension aspect, the situation that causes existing in the cabinet internal field comparatively to concentrate is in case certain deviation occurs in installation and maintenance; Will cause weak spot under some operating condition, to expose, proximity switch cabinet fault.Along with progressively going deep into of strategy to develop western regions; The highlands is increasing to the demand of the high voltage electric appliance of 35kV electric pressure; Press for through the simulated high altitude environmental condition electric property adaptability of high voltage switchgear is studied, guarantee the safe operation of electrical network.
Summary of the invention
For the electric property adaptability to high voltage switchgear is studied; The utility model provides a kind of intelligent test switch cabinet, comprises the tank bracket of rectangle and is inserted in the side plate on the tank bracket, is provided with fixed support in the tank bracket bottom; At the other guide rail that is provided with of fixed support; Movable supporting frame is fixed with the busbar post insulator respectively through the pulley and the guide rail interlocking of its bottom on movable supporting frame and fixed support, be provided with the precession nut in the movable supporting frame bottom; Cooperate with the precession nut through being provided with a rotary screw; Rotary screw is connected with motor shaft, and motor is connected with the PLC controls device, and laser ranging system is connected with the PLC controls device.
The utility model is easy to operate, Electric Machine Control is flexible, range measurement is convenient and easy, very is convenient to the insulation property of electrical structure in the switch cubicle are studied.
Description of drawings
Fig. 1 is a kind of intelligent test switch cabinet sketch map of the utility model.
Fig. 2 is a kind of intelligent test switch cabinet front view of the utility model.
Fig. 3 is a kind of intelligent test switch cabinet vertical view of the utility model.
Embodiment
Specify a kind of intelligent test switch cabinet of the utility model below in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2, shown in Figure 3; The intelligent test switch cabinet of the utility model comprises the tank bracket 1 of rectangle and is inserted in the side plate 2 on the tank bracket, is provided with fixed support 6 in tank bracket 1 bottom; At the fixed support 6 other guide rails 7 that are provided with; Movable supporting frame 5 is fixed with busbar post insulator 4 through the pulley 10 and guide rail 7 interlockings of its bottom respectively on movable supporting frame 5 and fixed support 6, be provided with precession nut 11 in movable supporting frame 5 bottoms; Cooperate with precession nut 11 through being provided with a rotary screw 9; Rotary screw 9 is connected with 3 in motor, and motor 3 is connected with the PLC controls device, and laser ranging system is connected with the PLC controls device.13 is the motor room among the figure.
The intelligent test switch cabinet of the utility model can also be provided with the fixed hub 8 that cooperates with rotary screw 9,9 guiding of 8 pairs of rotary screws of fixed hub and supporting role.
The intelligent test switch cabinet of the utility model can also below movable supporting frame 5, be provided with guiding worm screw 12 and with the fixed hub 14 that cooperates of guiding worm screw 12, guiding worm screw 12 can ensure the stable mobile of movable supporting frame 5, prevents that it from rocking and stuck.
In the practical application, adopting tank bracket is the steel construction of long 1500mm～3000mm, high 1000mm～2000mm, wide 500mm～1500mm, height such as side plate and tank bracket, and detachable, length direction is the channel-section steel structure, panel is not established with convenient pressurization in front and back.Being equiped with on the movable supporting frame highly is that 450mm, spacing are the post insulator of 500mm, and post insulator is through being bolted on the support, and busbar is installed on the post insulator through the insulation anchor clamps.Be provided with the precession nut in movable supporting frame bottom, cooperate with the precession nut, utilize the Spin Control movable supporting frame of rotary screw to advance or retreat through being provided with a rotary screw.Fixed support is arranged between movable supporting frame and the side plate, fixed support and movable supporting frame structural similarity but be fixed on the angle steel of front lower place and can not move.Motor is installed in the tank bracket side plate outside, and the rotation through the control rotary screw drives movable supporting frame and advances or retreat.Motor speed is 1600 rev/mins, and 1 second rotary screw of motor rotation moves 0.78mm.The PLC controls device is connected with motor, and the PLC controls device has the control motor positive and inverse, set function such as running time.Laser ranging system is installed in the movable supporting frame below; Measure the distance between movable supporting frame and the side plate; Simultaneously because fixed support and side plate distance are definite; Therefore be easy to obtain the distance between movable supporting frame and fixed support, the distance between movable supporting frame and the side plate is measured the back by laser ranging system and is reached the monitoring of programmable logic controller (PLC) panel through fiber transmission device.Voltage is added on the busbar of movable supporting frame through experimental rig during test; Busbar can be adjusted to and founds dress, horizontal dress, stands dress as required and adds nut, the upright structures such as adding screw rod of adorning; Side plate also can increase structures such as wire netting, flanging as required, verifies the electrical strength of different structure through the variation of voltage and distance.
A kind of intelligent test switch cabinet of the utility model changes the distance between the different structure busbar on movable supporting frame and the fixed support through PLC controls device control motor pulling movable supporting frame, confirms the insulation property of electrical structure in the switch cubicle according to the withstand voltage level of different electrical structures under the different distance.The PLC controls device starts 1 second motor pulling movable supporting frame and moves 0.78mm, and through repeatedly testing authentication, error is 0.02mm.Busbar is installed to above the post insulator through the insulation anchor clamps.
What a when doing alternate power frequency withstand test, greatly to transferring distance between movable supporting frame and the fixed support (in movable supporting frame and the support bracket fastened busbar along size) and record, begin then to test earlier.Testing transformer begins to boost, and before 75%U, slowly boosts, and 75%U rises with the speed of 2%U/s and boosts; If be not raised to the 95kV discharge, then sustaining voltage widens the distance between movable supporting frame and the fixed support; Increase distance and generally carry out stage by stage, promptly move 2mm or 5mm and record at every turn.Do not discharge until 95kV, reduce distance between movable supporting frame and the fixed support again, observe the distance reduce, be not more than 2mm until this distance and then return to the minimum range of not discharging, boost to 95kV again and keep 1min not discharge then confirming this distance to discharge.Do not discharge if rise to 95kV, operating procedure and last opposite is not more than 2mm until discharge and the distance of not discharging, and then this distance of not discharging is confirmed as the minimum range of not discharging.The industrial frequency experiment method of other different relative positions is the same.Add that the isolating shrinkable cover is sealed, when insulating barrier and impulse voltage withstand test with reference to this method.
Claims (3)
1. an intelligent test switch cabinet is characterized in that, comprises the tank bracket of rectangle and is inserted in the side plate on the tank bracket; Be provided with fixed support in the tank bracket bottom, at the other guide rail that is provided with of fixed support, movable supporting frame is through the pulley and the guide rail interlocking of its bottom; On movable supporting frame and fixed support, be fixed with the busbar post insulator respectively; Be provided with the precession nut in the movable supporting frame bottom, cooperate with the precession nut through being provided with a rotary screw, rotary screw is connected with motor shaft; Motor is connected with the PLC controls device, and laser ranging system is connected with the PLC controls device.
2. a kind of intelligent test switch cabinet as claimed in claim 1 is characterized in that said intelligent test switch cabinet also comprises the fixed hub that cooperates with said rotary screw.
3. like described any one the intelligent test switch cabinet of claim 1 to 2, it is characterized in that said intelligent test switch cabinet also comprises guiding worm screw that is arranged at the movable supporting frame below and the fixed hub that cooperates with the guiding worm screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376901U CN202405620U (en) | 2011-09-09 | 2011-09-09 | Intelligent test switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376901U CN202405620U (en) | 2011-09-09 | 2011-09-09 | Intelligent test switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405620U true CN202405620U (en) | 2012-08-29 |
Family
ID=46703238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203376901U Expired - Lifetime CN202405620U (en) | 2011-09-09 | 2011-09-09 | Intelligent test switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202405620U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993385A (en) * | 2015-07-10 | 2015-10-21 | 成都振中电气有限公司 | PLC module with characteristic of convenient installation |
| CN105186309A (en) * | 2015-09-25 | 2015-12-23 | 李聪 | Insulating electric power cabinet body |
| CN106300060A (en) * | 2016-08-31 | 2017-01-04 | 岸思电气（嘉善）有限公司 | A kind of guide frame for high-low pressure cabinet |
| CN108908246A (en) * | 2018-08-02 | 2018-11-30 | 安吉县力顺电声配件厂 | Storage device is used in a kind of production and processing of loudspeaker play-wave |
| CN114122997A (en) * | 2021-11-24 | 2022-03-01 | 国网江苏省电力有限公司检修分公司 | Self-adaptive insulation isolation device and unilateral live-line maintenance method based on same |
-
2011
- 2011-09-09 CN CN2011203376901U patent/CN202405620U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993385A (en) * | 2015-07-10 | 2015-10-21 | 成都振中电气有限公司 | PLC module with characteristic of convenient installation |
| CN105186309A (en) * | 2015-09-25 | 2015-12-23 | 李聪 | Insulating electric power cabinet body |
| CN106300060A (en) * | 2016-08-31 | 2017-01-04 | 岸思电气（嘉善）有限公司 | A kind of guide frame for high-low pressure cabinet |
| CN108908246A (en) * | 2018-08-02 | 2018-11-30 | 安吉县力顺电声配件厂 | Storage device is used in a kind of production and processing of loudspeaker play-wave |
| CN114122997A (en) * | 2021-11-24 | 2022-03-01 | 国网江苏省电力有限公司检修分公司 | Self-adaptive insulation isolation device and unilateral live-line maintenance method based on same |
| CN114122997B (en) * | 2021-11-24 | 2024-04-12 | 国网江苏省电力有限公司检修分公司 | Self-adaptive insulating isolation device and unilateral electrified overhaul method based on same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
|
| CX01 | Expiry of patent term |