CN207440130U - A kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation - Google Patents
A kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation Download PDFInfo
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- CN207440130U CN207440130U CN201721116644.2U CN201721116644U CN207440130U CN 207440130 U CN207440130 U CN 207440130U CN 201721116644 U CN201721116644 U CN 201721116644U CN 207440130 U CN207440130 U CN 207440130U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000005259 measurement Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
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- 238000001514 detection method Methods 0.000 description 3
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- 230000007547 defect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of halo-free support devices pressure-resistant for extra-high voltage transformer shelf depreciation to include：Firm banking is equipped with scalable insulating support rod on the firm banking, U-shaped bracket is equipped on the scalable insulating support rod；The bottom of the firm banking is equipped with movable pulley, the slip wheel outer surface is equipped with electromagnet, the electromagnet is connected with electro-magnet switch, the electro-magnet switch is connected with microprocessor, the microprocessor is also respectively connected with wireless communication module and drive module, the wireless communication module is connected with remote controler, and the drive module is connected with movable pulley.The halo-free support device is used to fix the position of pressurized line in induced over voltage withstand test, improves pressurized system antijamming capability.
Description
Technical field
The utility model belongs to the pressure-resistant field of shelf depreciation more particularly to one kind is resistance to for extra-high voltage transformer shelf depreciation
The halo-free support device of pressure.
Background technology
Extra-high voltage grid referred to using 1000kV power transmission networks as bulk transmission grid, by supergrid, grid, with
And extra-high voltage direct-current transmission, the layering of D.C. high voltage transmission and power distribution network composition, subregion, modernization bulk power grid clear in structure.
The important ring that extra-high voltage transformer is converted as electric energy, safe and stable operation are most important to stablizing for safeguards system.One
Denier breaks down, and not only results in large-area power-cuts, threatens power grid security, and need to expend huge human and material resources, causes great
Loss.Thus, before putting into operation, need to make strict assessment the performances such as extra-high voltage transformer insulation, machinery.
Partial Discharge Detection is to grasp inside transformer operation conditions, finds a kind of row of potential insulation defect in time and has
The method of effect can also be classified and identified to internal flaw by Partial Discharge Detection, contribute to scene to accident transformer
It is analyzed.The outer important ring for applying induced over voltage withstand test as transformer field commissioning test with measurement of partial discharge, can
The insulation breakdown problem that the processes such as effective assessment equipment manufacture, transport, installation may be brought, thus always it is subject to kiowatt
Pay much attention to.
When carrying out the pressure test with measurement of partial discharge to 1000kV extra-high voltage transformers at the scene, due to examining voltage
Grade height (high-pressure side induced voltage reaches 1000kV) easily introduces external corona discharge interference, shadow in entire pressurized system
It rings to the detection to inside transformer shelf depreciation, and then causes to judge by accident.For this purpose, when arranging pilot system circuit, need to ensure
It has enough insulation distances with perimeter conductive body.Especially on transformer top platform, in order to keep with transformer top with
And the distance of the components such as oil duct connecting leg, more hardwired modes of insulating bar screw thread of generally use, and pressurized line is passed through at present
Insulating tape bundled fixed is in the top of insulating bar, bottom also bundled fixed.
Defect is caused by the above method：
(1) on the one hand, the rigid connection between more insulating bars is metal joint, it is necessary to take earth shield measure, i.e.,
Just in this way, also easily introducing corona interference herein, error is larger when causing measurement of partial discharge；
(2) on the other hand, insulating bar top is higher apart from ground, in fixation procedure ladder is needed to aid in, and bundlees
Position needs repeatedly to attempt, not only time-consuming and laborious to avoid larger arc sag is generated, but also it is dangerous to introduce working at height；Furthermore it is
Prevent pressurizing loop from generating corona, pressurized line often reaches the aluminium foil line of 20cm, the bundled fixed at the top of insulating bar using diameter
Shi Rongyi forms wedge angle, causes internal field extremely uneven, generates corona so that error is larger during measurement of partial discharge.
(3) further, since in partial discharge of transformer voltage-withstand test, it is necessary to need to adjust nothing according to actual track trend
The direction of dizzy support device, and manpower de-regulation is relied on, on the one hand so that adjusting is inaccurate, and need to take considerable time
It adjusts, reduces adjusting efficiency.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of resistance to for extra-high voltage transformer shelf depreciation
The halo-free support device of pressure is used to fix the position of pressurized line in induced over voltage withstand test, improves the anti-interference energy of pressurized system
Power.
A kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation of the utility model, including：
Firm banking, is equipped with scalable insulating support rod on the firm banking, on the scalable insulating support rod
U-shaped bracket is installed；The bottom of the firm banking is equipped with movable pulley, and the slip wheel outer surface is equipped with electromagnet, institute
Electromagnet is stated with electro-magnet switch to be connected, the electro-magnet switch is connected with microprocessor, the microprocessor also with channel radio
Letter module and drive module are respectively connected with, and the wireless communication module is connected with remote controler, the drive module and movable pulley phase
Even.
Further, the openings of sizes of the U-shaped bracket is adjustable.
Wherein, the openings of sizes of U-shaped bracket can be according to the size of anti-corona wire diameter, and adjusts the opening of U-shaped bracket
Size, so that conducting wire can be easily put into.
Further, the U-shaped bracket is connected with U-shaped bracket openings size adjusting switch, the U-shaped bracket openings size
Adjusting switch is connected with microprocessor.
Wherein, U-shaped bracket openings size adjusting switch is arranged on U-shaped bracket, and U-shaped bracket openings size adjusting switch is led to
It crosses cable with microprocessor to be connected, the break-make of U-shaped bracket openings size adjusting switch is controlled using microprocessor, and then is controlled
U-shaped bracket openings size is made, so as to which tip will not be generated during support, causes corona discharge.
Further, the top outer of the U-shaped bracket is provided with elastic webbing binding slot.
Wherein, the utility model can be used elastic webbing and fixation of tying tight carried out to anti-corona conducting wire, convenient and reliable.
Further, the scalable insulating support rod is fixedly connected with U-shaped bracket by nylon sleeve.
Further, the wireless communication module is infrared remote control communication module.
Further, the firm banking is fixedly connected by insulating bar fastening bolt with scalable insulating support rod.
Further, the electro-magnet switch is knob switch.
Further, the microprocessor and wireless communication module are connected with power module, and the power module includes
Main power source and stand-by power supply.
Further, the main power source is lithium battery, and the stand-by power supply is solar cell.
Compared with prior art, the beneficial effects of the utility model are：
(1) the halo-free support device of the utility model is made of U-shaped bracket, telescopic insulation rod and firm banking, both
It can ensure insulation distance in the case where not introducing corona interference, and body of rod length can be adjusted according to actual needs, avoid high-altitude
Operation is fixed conveniently, and greatly improves work efficiency.
(2) the halo-free support device of the utility model improves test efficiency using simply, conveniently；Corona free disturbs, and keeps away
Exempt from measurement error and cause erroneous judgement, improve result of the test accuracy.
(3) the halo-free support device body of rod of the utility model is scalable, avoids working at height dangerous.
(4) the halo-free support device insulating support rod of the utility model is fixed with pedestal by screw rod, can arbitrarily be rotated,
And the body of rod can arbitrarily adjust height, meet according to the needs of actual track needs adjustment direction and height, flexibility is strong.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
Fig. 1 is the structural representation of the halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation of the utility model
Figure.
Wherein, 1, firm banking；2nd, scalable insulating support rod；3rd, U-shaped bracket；4th, movable pulley；5th, nylon sleeve；6th, bullet
Property band binding slot.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Fig. 1 is the structural representation of the halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation of the utility model
Figure.
As shown in Figure 1, a kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation of the utility model,
Including：
Firm banking 1 is equipped with scalable insulating support rod 2, the scalable insulating support rod on the firm banking 1
U-shaped bracket 3 is installed on 2；The bottom of the firm banking 1 is equipped with movable pulley 4, and 4 outer surface of movable pulley is equipped with electricity
Magnet, the electromagnet are connected with electro-magnet switch, and the electro-magnet switch is connected with microprocessor, the microprocessor also with
Wireless communication module and drive module are respectively connected with, and the wireless communication module is connected with remote controler, the drive module and cunning
Driving wheel is connected.
Due to being filled in partial discharge of transformer voltage-withstand test, it is necessary to need to adjust halo-free support according to actual track trend
The direction put, and manpower de-regulation is relied on, it on the one hand so that adjusting inaccuracy, and needs to take considerable time de-regulation, drop
Low adjusting efficiency.In order to solve this problem, the utility model uses remote controler and microprocessor communication, and then controls electricity
The break-make of magnet contactor and the working condition of drive module, are finally reached the purpose for accurately adjusting halo-free support device position.
Wherein, microcontroller or arm processor can be used to realize in microprocessor, concrete model can according to actual demand come
Selection.
Microgenerator can be used to realize in drive module.
In addition to microgenerator, it can also be realized using other driving mechanisms.
Wherein, diversified forms can be used in the shape of firm banking 1, for example Y shape supporting leg is formed, and electricity is arranged at every supporting leg bottom
Magnet, by controlling electro-magnet switch, to realize fixation and removal in transformer top platform, fixed form is flexible.
Insulating support rod is fixed with firm banking by screw rod, can arbitrarily be rotated, to need adjustment direction according to actual track trend.
It should be noted that firm banking in addition to Y shape supporting leg, can also be disc structure.
In specific implementation, the insulating support rod 2 is high-strength insulating material, during measurement of partial discharge
Introduce corona interference.
The scalable insulating support rod 2 is fixedly connected with U-shaped bracket 3 by nylon sleeve 5, and can be according to need of work
Adjust height, can supporting point needed for convenient and reliable selection, and largely avoid working at height danger.
Wherein, the openings of sizes of the U-shaped bracket 3 is adjustable.
The openings of sizes of U-shaped bracket can be according to the size of anti-corona wire diameter, and adjusts the openings of sizes of U-shaped bracket,
So that conducting wire can be easily put into.
In specific implementation, the U-shaped bracket is connected with U-shaped bracket openings size adjusting switch, the U-shaped bracket openings
Size adjusting switch is connected with microprocessor.
Wherein, U-shaped bracket openings size adjusting switch is arranged on U-shaped bracket, and U-shaped bracket openings size adjusting switch is led to
It crosses cable with microprocessor to be connected, the break-make of U-shaped bracket openings size adjusting switch is controlled using microprocessor, and then is controlled
U-shaped bracket openings size is made, so as to which tip will not be generated during support, causes corona discharge.
In specific implementation, the top outer of the U-shaped bracket 3 is provided with elastic webbing binding slot 6.
Wherein, the utility model can be used elastic webbing and fixation of tying tight carried out to anti-corona conducting wire, convenient and reliable.
In specific implementation, the wireless communication module is infrared remote control communication module.
In specific implementation, the firm banking is fixed by insulating bar fastening bolt and scalable insulating support rod and connected
It connects.
In specific implementation, the electro-magnet switch is knob switch.
It can so realize the manual adjusting of electro-magnet switch break-make.
In specific implementation, the microprocessor and wireless communication module are connected with power module, the power module
Including main power source and stand-by power supply.
Wherein, the main power source is lithium battery, and the stand-by power supply is solar cell.
The operation principle for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation of the utility model is：
When carrying out the pressure test of transformer belt measurement of partial discharge at certain extra-high voltage station, testing crew is first according to satisfaction
Main transformer body and attachment have the requirement of enough insulation distances around the anti-corona conductor spacing of experiment pressurization, choose insulating bar support
Place is put in position, i.e. pedestal, after confirmation is errorless, opens pedestal magnet contactor using remote controler, pedestal is made to be secured firmly to become
On depressor babinet platform；Then insulating bar bottom is inserted into firm banking stop sleeve, tightens fastening bolt and ensure insulating bar
Integraty after being connected with pedestal；Anti-corona conducting wire is embedded in U-shaped bracket again, passes through groove with elastic webbing behind adjusting fixed position
It is further fixed；Insulating bar height is adjusted in time further according to anti-corona conductor length.
Entire set-up procedure is not required testing crew to ascend a height operation, simple to operate, and more than package unit pedestal
The insulating materials that part all uses makes, and can effectively avoid influence of the external corona interference to internal measurement of partial discharge, disappears
Corona interference during except measurement of partial discharge at support, avoids working at height, is fixed conveniently reliable, greatly improves work
Make efficiency.
The halo-free support device of the utility model is made of U-shaped bracket, telescopic insulation rod and firm banking, both can be
Ensure insulation distance in the case of not introducing corona interference, and body of rod length can be adjusted according to actual needs, avoid working at height,
It is fixed conveniently, greatly improves work efficiency.
The halo-free support device of the utility model improves test efficiency using simply, conveniently；Corona free disturbs, and avoids
Measurement error causes erroneous judgement, improves result of the test accuracy.
The halo-free support device body of rod of the utility model is scalable, avoids working at height dangerous.
The halo-free support device insulating support rod of the utility model is fixed with pedestal by screw rod, can arbitrarily be rotated, and
And the body of rod can arbitrarily adjust height, meet according to the needs of actual track needs adjustment direction and height, flexibility is strong.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, on the basis of the technical solution of the utility model, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation, which is characterized in that including：
Firm banking is equipped with scalable insulating support rod on the firm banking, is installed on the scalable insulating support rod
There is U-shaped bracket；The bottom of the firm banking is equipped with movable pulley, and the slip wheel outer surface is equipped with electromagnet, the electricity
Magnet is connected with electro-magnet switch, and the electro-magnet switch is connected with microprocessor, the microprocessor also with radio communication mold
Block and drive module are respectively connected with, and the wireless communication module is connected with remote controler, and the drive module is connected with movable pulley.
2. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The openings of sizes of the U-shaped bracket is adjustable.
3. as claimed in claim 2 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The U-shaped bracket is connected with U-shaped bracket openings size adjusting switch, the U-shaped bracket openings size adjusting switch and microprocessor
Device is connected.
4. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The top outer of the U-shaped bracket is provided with elastic webbing binding slot.
5. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The scalable insulating support rod is fixedly connected with U-shaped bracket by nylon sleeve.
6. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The wireless communication module is infrared remote control communication module.
7. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The firm banking is fixedly connected by insulating bar fastening bolt with scalable insulating support rod.
8. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The electro-magnet switch is knob switch.
9. as described in claim 1 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, which is characterized in that
The microprocessor and wireless communication module are connected with power module, and the power module includes main power source and stand-by power supply.
10. as claimed in claim 9 for the pressure-resistant halo-free support device of extra-high voltage transformer shelf depreciation, feature exists
In the main power source is lithium battery, and the stand-by power supply is solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721116644.2U CN207440130U (en) | 2017-09-01 | 2017-09-01 | A kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721116644.2U CN207440130U (en) | 2017-09-01 | 2017-09-01 | A kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation |
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| CN207440130U true CN207440130U (en) | 2018-06-01 |
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|---|---|---|---|
| CN201721116644.2U Active CN207440130U (en) | 2017-09-01 | 2017-09-01 | A kind of halo-free support device pressure-resistant for extra-high voltage transformer shelf depreciation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856432A (en) * | 2019-03-29 | 2019-06-07 | 国网上海市电力公司 | A kind of high-voltage connection support device for GIS pressure resistance local discharge test |
| CN109932532A (en) * | 2019-03-18 | 2019-06-25 | 国网内蒙古东部电力有限公司电力科学研究院 | One kind being used for line influence electric test platform and method |
| CN114778901A (en) * | 2022-05-16 | 2022-07-22 | 云南电网有限责任公司电力科学研究院 | Pressure-resistant support |
-
2017
- 2017-09-01 CN CN201721116644.2U patent/CN207440130U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932532A (en) * | 2019-03-18 | 2019-06-25 | 国网内蒙古东部电力有限公司电力科学研究院 | One kind being used for line influence electric test platform and method |
| CN109856432A (en) * | 2019-03-29 | 2019-06-07 | 国网上海市电力公司 | A kind of high-voltage connection support device for GIS pressure resistance local discharge test |
| CN109856432B (en) * | 2019-03-29 | 2023-11-24 | 国网上海市电力公司 | High-voltage lead supporting device for GIS voltage-resistant partial discharge test |
| CN114778901A (en) * | 2022-05-16 | 2022-07-22 | 云南电网有限责任公司电力科学研究院 | Pressure-resistant support |
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