CN207301110U - Deformation of transformer winding altitude test pincers based on method of frequency response method - Google Patents
Deformation of transformer winding altitude test pincers based on method of frequency response method Download PDFInfo
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- CN207301110U CN207301110U CN201720725416.9U CN201720725416U CN207301110U CN 207301110 U CN207301110 U CN 207301110U CN 201720725416 U CN201720725416 U CN 201720725416U CN 207301110 U CN207301110 U CN 207301110U
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- frequency response
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000010977 jade Substances 0.000 description 3
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Abstract
A kind of deformation of transformer winding altitude test pincers based on method of frequency response method, experiment pincers include jointing clamp and insulating bar, jointing clamp is arranged on insulating bar, jointing clamp includes upper jaw, lower jaw and guide rod, upper jaw and lower jaw are arranged on the jaw structure that formation can be engaged in jointing clamp upright bar, guide rod is arranged on below lower jaw and is connected with insulating bar, jointing clamp is connected using BNC connector with test main frame, and hook is set, the gravity of bearing test wiring, avoids long-time service failure BNC connector.Using light Special insulative operating rod, insulation pole length is more than 6 meters, and the insulation pole length is the structure being made of Multi section bar assembling, and length can adjust as needed, and use is very convenient, testing crew is completed test connection operation on ground.The jointing clamp of angle adjustable is set, is worked using the wiring of multiple angles, different-thickness, different-diameter.
Description
Technical field
The utility model provides a kind of deformation of transformer winding altitude test pincers based on method of frequency response method.
Background technology
At present, transformer winding forms the path of transformer electricity, and is easier to the position broken down, and due to transformation
Device winding can not intuitively see that lifting, which checks, needs substantial amounts of human and material resources, financial resources, generally be analyzed at present using method of frequency response method
The situation of deformation of transformer winding, so as to judge the abort situation and reason of transformer winding.During experiment, due to transformer
Bushing is higher, in experiment disconnects line process, generally requires to carry out by high-altitude operation vehicle, expends substantial amounts of manpower, thing
Power, financial resources.Simultaneously as needing operation of ascending a height, the security risk of operation is also increased.
The content of the invention
Purpose of utility model：
The utility model provide it is a kind of based on method of frequency response method deformation of transformer winding altitude test pincers, the purpose is to solve with
The problems of toward.
Technical solution：
A kind of deformation of transformer winding altitude test pincers based on method of frequency response method, it is characterised in that:Experiment pincers include wiring
Pincers and insulating bar, jointing clamp are arranged on insulating bar, and jointing clamp includes upper jaw, lower jaw and guide rod, on
Jaw and lower jaw are arranged on the jaw structure that formation can be engaged in jointing clamp upright bar, guide rod be arranged on below lower jaw and with
Insulating bar connects.
New number end of BNC, BNC input terminals, shielding end and load-bearing link are additionally provided with jointing clamp upright bar.
Jointing clamp is the structure that angle can be adjusted.
Jointing clamp upright bar is connected by shaft with insulating bar, and respectively piece adjustment of connection is restricted for the both sides of jointing clamp upright bar,
The lower end of two adjustment ropes is respectively connected to the both sides of the adjustment plate of insulating bar bottom, is connect by adjusting the rotation control of disk
Line tweezer upright bar is rotated by axis of shaft, and then realizes the angle adjustment of jointing clamp.
Insulating bar is the hollow long rod structure being joined together to form by Multi section bar, and Multi section bar includes connection wiring
One mandril of pincers, one or more intermediate bars and a bottom bar, intermediate bar connection mandril, bottom bar connection intermediate bar, adjustment
Disk is arranged on the lower section of bottom bar；Grafting between mandril, intermediate bar and bottom bar by boss connects temporarily, i.e. intermediate bar
Boss injects mandril bottom, and the boss of bottom bar injects the bottom of intermediate bar, is connected with a wire in mandril, under bottom bar
Portion is connected with adjusting nut, after mandril, intermediate bar and bottom bar connection wire pass through after intermediate bar with the adjusting nut at bottom bar
Thread fitting, is tensed by fine jade threading and unclamps wire.
The side wall of intermediate bar is provided with that axially gap in the same direction, the openings of sizes of the gap meet to accommodate with intermediate bar
Wire passes through.
Advantageous effect：
The utility model provides a kind of deformation of transformer winding altitude test pincers based on method of frequency response method, and the purpose is to avoid height
Idle job, improves test efficiency, less human and material resources, financial resources.The invention include method of frequency response method test connection special jointing clamp, specially
With insulating bar, adjustable wiring binding clip, test signal and signal acquisition are transferred to instrument host by bnc interface, ensure
Signal end, input terminal and shielding end effectively work, and the binding clip angle of jointing clamp can change, and complete wiring position difference angle
The test connection work of degree, different-thickness, different-diameter, and test connection work is completed on ground, working at height is avoided, without
High-altitude operation vehicle is employed, reduces the risk of working at height, improves detection efficiency.
Jointing clamp is connected using BNC connector with test main frame, and sets hook, and the gravity of bearing test wiring, avoids growing
Time service failure BNC connector.Using light Special insulative operating rod, insulation pole length is more than 6 meters, and the insulating bar
Length is the structure being made of Multi section bar assembling, and length can adjust as needed, and use is very convenient, makes testing crew on ground
It can complete test connection operation.The jointing clamp of angle adjustable is set, uses multiple angles, different-thickness, different-diameter
Wiring works.
Brief description of the drawings：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is Multi section bar structure diagram.
Embodiment：
A kind of deformation of transformer winding altitude test pincers based on method of frequency response method, experiment pincers include jointing clamp and insulation operates
Bar 7, jointing clamp are arranged on insulating bar 7, and jointing clamp includes upper jaw 1, lower jaw 3 and guide rod 2,1 He of upper jaw
Lower jaw 3 is arranged on the jaw structure that formation can be engaged in jointing clamp upright bar, guide rod 2 be arranged on the lower section of lower jaw 3 and with it is exhausted
Edge operation lever 7 connects.
New number end 4 of BNC, BNC input terminals 5, shielding end 6 and load-bearing link 8 are additionally provided with jointing clamp upright bar.
Jointing clamp is the structure that angle can be adjusted.
Jointing clamp upright bar is connected by shaft 8 with insulating bar 7, and respectively piece adjustment of connection is restricted for the both sides of jointing clamp upright bar
9, the lower end of two adjustment ropes 9 is respectively connected to the both sides of the adjustment plate 10 of 7 bottom of insulating bar, by adjusting the rotation of disk 10
Turn the upright bar of control jointing clamp to rotate for axis with shaft 8, and then realize the angle adjustment of jointing clamp.
Insulating bar 7 is the hollow long rod structure being joined together to form by Multi section bar, and Multi section bar connects including connection
One mandril 11 of line tweezer, one or more intermediate bars 12 and a bottom bar 13, intermediate bar 12 connect mandril 11, and bottom bar 13 connects
Intermediate bar 12 is connect, adjustment plate 10 is arranged on the lower section of bottom bar 13；Pass through boss between mandril 11, intermediate bar 12 and bottom bar 13
Grafting connect temporarily, i.e., the boss 14 of intermediate bar 12 injects mandril 11 bottom, and the boss of bottom bar 13 injects the bottom of intermediate bar 12
Portion, is connected with a wire 15 in mandril 11,13 lower part of bottom bar is connected with adjusting nut 16, mandril 11, intermediate bar 12
With bottom bar 13 connect after wire 15 pass through intermediate bar 12 after with 16 thread fitting of adjusting nut at bottom bar 13, spiral shell is twisted by fine jade
Line tenses and unclamps wire 15.
The side wall of intermediate bar 12 is provided with to be met with the axial gap 17 in the same direction of intermediate bar 12, the openings of sizes of the gap 17
Wire 15 can be accommodated to pass through.
In use, according to the quantity that intermediate bar 12 is selected using height, intermediate bar 12 is then sleeved on by top by gap 17
On wire 15 between bar 11 and bottom bar 13, after grafting is good, fine jade twists adjusting nut 16, so as to taut wire line 15 so that
Fixation is held out against between mandril 11, intermediate bar 12 and bottom bar 13, then can start operation, if necessary to adjust jointing clamp
Angle, then only need to rotate adjustment plate 10, you can and pull jointing clamp to rotate, and the length of the adjustment rope 9 on jointing clamp upright bar both sides
Can according to intermediate bar 12 number adjust, that is to say, that adjustment rope 9 is sufficiently long, adjustment rope 9 and adjustment plate 10
Between connection connect temporarily, that is to say, that stay how many adjustment ropes 9 to adjust as needed.
The basic principle of frequency response method is that at higher frequencies, the iron core of transformer winding does not work substantially, around
Group can be equivalent to a passive Two-port netwerk Linear Network being made of inductance and capacitance equal distribution parameter.Due to transformer winding
Mathematical model be a Linear Time Invariant number system.When the input of stable Linear Time Invariant number system is sinusoidal quantity, its stable state
Output and input are the sinusoidal quantities of same frequency, and simply amplitude and phase are different, and the amplitude ratio of the output of its stable state and input is only by net
Network parameter uniquely determines.Such as change the frequency of input signal, then amplitude ratio also changes correspondingly.Linear system is inputted in sinusoidal quantity
When, the relation that stable state output is varied with frequency with the amplitude ratio inputted is known as the amplitude versus frequency characte of the system.It is using this method
It can obtain the amplitude-frequency response of system.
Deformation of transformer winding altitude test pincers of the present invention based on method of frequency response method are by setting a special jointing clamp to be used for
Connection, fixed test connection, jointing clamp use BNC connector, ensure that signal end, input terminal and shielding end effectively work.Using
Light Special insulative operating rod, realizes that wiring works by operating arm dedicated.The binding clip angle of jointing clamp can change, can be complete
Wiring into wiring position different angle, different-thickness, different-diameter works, and avoids working at height.
Claims (4)
- A kind of 1. deformation of transformer winding altitude test pincers based on method of frequency response method, it is characterised in that:Experiment pincers include jointing clamp And insulating bar（7）, jointing clamp is arranged on insulating bar（7）On, jointing clamp includes upper jaw（1）, lower jaw（3）With Guide rod（2）, upper jaw（1）And lower jaw（3）It is arranged on the jaw structure that formation can be engaged in jointing clamp upright bar, guide rod （2）It is arranged on lower jaw（3）Lower section and and insulating bar（7）Connection；Jointing clamp is the structure that angle can be adjusted；Jointing clamp upright bar passes through shaft（8）With insulating bar（7）Connection, respectively piece adjustment of connection is restricted for the both sides of jointing clamp upright bar （9）, two adjustment ropes（9）Lower end be respectively connected to insulating bar（7）The adjustment plate of bottom（10）Both sides, by adjusting Disk（10）Rotation control jointing clamp upright bar with shaft（8）Rotated for axis, and then realize the angle adjustment of jointing clamp.
- 2. the deformation of transformer winding altitude test pincers according to claim 1 based on method of frequency response method, it is characterised in that:Connecing BNC signal ends are additionally provided with line tweezer upright bar（4）, BNC input terminals（5）, shielding end（6）With load-bearing link（18）.
- 3. the deformation of transformer winding altitude test pincers according to claim 1 based on method of frequency response method, it is characterised in that:Absolutely Edge operation lever（7）For the hollow long rod structure being joined together to form by Multi section bar, Multi section bar includes the one of connection jointing clamp A mandril（11）, one or more intermediate bar（12）An and bottom bar（13）, intermediate bar（12）Connect mandril（11）, bottom bar （13）Connect intermediate bar（12）, adjustment plate（10）It is arranged on bottom bar（13）Lower section；Mandril（11）, intermediate bar（12）And bottom bar （13）Between connected temporarily by the grafting of boss, i.e. intermediate bar（12）Boss（14）Inject mandril（11）Bottom, bottom bar （13）Boss inject intermediate bar（12）Bottom, mandril（11）Inside it is connected with a wire（15）, bottom bar（13）Under Portion is connected with adjusting nut（16）, mandril（11）, intermediate bar（12）And bottom bar（13）Wire after connection（15）Through intermediate bar （12）Afterwards with bottom bar（13）The adjusting nut at place（16）Thread fitting, is tensed by rotary screwing thread and unclamps wire（15）.
- 4. the deformation of transformer winding altitude test pincers according to claim 3 based on method of frequency response method, it is characterised in that:In Between bar（12）Side wall be provided with and intermediate bar（12）Axial gap in the same direction（17）, the gap（17）Openings of sizes meet energy Enough accommodate wire（15）Pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720725416.9U CN207301110U (en) | 2017-06-21 | 2017-06-21 | Deformation of transformer winding altitude test pincers based on method of frequency response method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720725416.9U CN207301110U (en) | 2017-06-21 | 2017-06-21 | Deformation of transformer winding altitude test pincers based on method of frequency response method |
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| Publication Number | Publication Date |
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| CN207301110U true CN207301110U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720725416.9U Active CN207301110U (en) | 2017-06-21 | 2017-06-21 | Deformation of transformer winding altitude test pincers based on method of frequency response method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132362A (en) * | 2017-12-04 | 2018-06-08 | 国家电网公司 | Deformation of transformer winding altitude test clamps |
| CN111610350A (en) * | 2020-06-04 | 2020-09-01 | 贵州电网有限责任公司 | High-altitude junction pole and device |
-
2017
- 2017-06-21 CN CN201720725416.9U patent/CN207301110U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132362A (en) * | 2017-12-04 | 2018-06-08 | 国家电网公司 | Deformation of transformer winding altitude test clamps |
| CN111610350A (en) * | 2020-06-04 | 2020-09-01 | 贵州电网有限责任公司 | High-altitude junction pole and device |
| CN111610350B (en) * | 2020-06-04 | 2022-08-30 | 贵州电网有限责任公司 | High-altitude junction pole device |
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