CN107271736B - A kind of dedicated short seal apparatus of transformer test - Google Patents
A kind of dedicated short seal apparatus of transformer test Download PDFInfo
- Publication number
- CN107271736B CN107271736B CN201710647856.1A CN201710647856A CN107271736B CN 107271736 B CN107271736 B CN 107271736B CN 201710647856 A CN201710647856 A CN 201710647856A CN 107271736 B CN107271736 B CN 107271736B
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- CN
- China
- Prior art keywords
- copper strips
- short
- clamp
- copper
- semi
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910052802 copper Inorganic materials 0.000 claims abstract description 71
- 239000010949 copper Substances 0.000 claims abstract description 71
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 238000004804 winding Methods 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- G01R1/0425—Test clips, e.g. for IC's
Abstract
The present invention relates to a kind of dedicated short seal apparatus of transformer test, it includes the short binder of multiple metals and the copper connecting line that is connected between adjacent short binder, the short binder of metal includes the clamp ontology of scissor-shaped, the copper strips of clamp body upper part is set, copper strips is fixed on to the fixation device of clamp bodies top, the bottom of the clamp ontology is set with insulation sleeve, the top of the clamp ontology is two semi-circular clamp bodies that can be snapped together, the copper strips both ends pass through fixed device respectively and are fixed on two semi-circular clamps, it is contained between the copper strips both ends inside two semi-circular clamp bodies.Short envelope test is carried out using the present invention, the efficiency of short envelope is improved, improves short envelope effect, eliminates human factor, when test only needs short envelope primary, and simple and fast, short envelope works well, without adjustment.Testing crew workload substantially reduces, it is not necessary to which winding and the short envelope line of rechecking repeatedly greatly reduce the working time that has a power failure.
Description
Technical field
The present invention relates to transformer testing engineering device technique fields, and in particular to a kind of dedicated short seal apparatus of transformer test.
Background technique
During transformer test (such as load ratio bridging switch test, low-voltage impedance test), need part winding
Short envelope is carried out with short envelope line.The short envelope effect of winding will directly affect the safety and accuracy of test.Especially transformer is low
Testing impedance is pressed, test result is very high to the susceptibility of short envelope effect.And in previous work, using common bare copper wire into
Row short envelope must firmly tie tight when staff winds bare copper wire, increase the contact pressure of bare copper wire and casing column cap；Moreover,
Since single bare copper wire and casing column cap contact area are smaller, the necessary increase as much as possible of staff winds the number of turns, to protect
Have enough contacts area between card bare copper wire and casing column cap, human factor is affected, time-consuming and laborious, and short envelope effect compared with
Difference.
Summary of the invention
Technical problem to be solved by the present invention lies in providing, a kind of short envelope is high-efficient, the good transformer test of short envelope effect
Dedicated short seal apparatus.
To achieve the above object, technical solution of the present invention includes: and including the short binder of more than one metal and is connected to
Copper connecting line between the short binder of adjacent metal, the short binder of metal include the clamp ontology of scissor-shaped, are arranged in clamp sheet
Copper strips, is fixed on the fixation device of clamp bodies top by the copper strips on body top, and the bottom of the clamp ontology is set with insulation
Set, the top of the clamp ontology are two semi-circular clamp bodies that can be snapped together, and the copper strips both ends pass through solid respectively
Determine device to be fixed on two semi-circular clamps, be contained between the copper strips both ends inside two semi-circular clamp bodies.
Further, the fixed device is metal platen, is connected between the fixed device and clamp ontology by bolt
It connects.
Further, the fixed device includes turntable, the location hole and rocking bar being uniformly arranged on the turntable, described
Rocking bar one end is fixed in center of turntable shaft, and the rocking bar other end is provided with handle and plug compatible with the location hole,
The copper strips is wrapped on turntable and the end of copper strips is fixed on turntable.
Further, the spring of compressive state is provided between the bottom of the clamp ontology.
Further, two semi-circular clamp bodies of the clamp ontology are internally provided with conductive rubber layer.
Further, the copper connecting line is 1 strand or more copper wire composition, and the diameter of the copper connecting line is 5-7mm.
Further, the diameter of the copper connecting line is 6mm.
Further, the copper strips is copper wire woven composition.
Further, the width of the copper strips is 3-8cm.
Good effect of the present invention is as follows:
1, annealed copper wire with good conductivity is selected, networking is woven, two semicircle clevis of clamp ontology of scissor-shaped is set
In holding, as liner, for realizing the reliable contacts of short seal apparatus and casing column cap, copper strips is sleeved on casing column cap, root
According to the casing column cap of different-diameter, the length of copper strips is adjusted, is fitted in copper strips completely on casing column cap.
2. copper strips length adjustable, applied widely to adapt to the bushing shell for transformer of different size.
3. applying pressure to copper strips liner layer by semi-circular clamp body, make the copper strips clamping sleeve tube head of soft copper net, it is ensured that
It is reliably connected.
4. in use, can shake rocking bar manually when the length of adjustment copper strips, make to be contained in two between copper strips both ends
Semi-circular clamp body interior section shortens, and when being adjusted to best, plug is inserted into the location hole closed on, is fixed, makes to adjust
It is whole more convenient.
Carry out short envelope test using the present invention, improve the efficiency of short envelope, improve short envelope effect, eliminate it is artificial because
Element, when test, only need short envelope primary, and simple and fast, short envelope works well, without adjustment.Testing crew workload substantially reduces,
Need not wind repeatedly with the short envelope line of rechecking, greatly reduce have a power failure the working time.Meanwhile good short envelope effect can be improved
The accuracy of test data, so that the correct judgement to staff provides strong guarantee.
Detailed description of the invention
Fig. 1 is the overall structure diagram of 1 clamp ontology of the embodiment of the present invention；
Fig. 2 is the overall structure diagram of 2 clamp ontology of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of 2 location hole of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of 2 plug of the embodiment of the present invention；
Fig. 5 is the whole structural schematic diagram of the present invention；
In attached drawing, 1 clamp ontology, 2 copper strips, 3 metal platens, 4 bronze medal connecting lines, 5 turntables, 6 location holes, 7 rocking bars, 8 handles,
9 plugs, 10 springs.
Specific embodiment
As shown in Figs. 1-5, technical solution of the present invention is illustrated and is explained in conjunction with the embodiments.
Embodiment 1
The present invention includes the short binder of more than one metal and the copper connecting line 4 that is connected between the short binder of adjacent metal,
The short binder of metal includes the clamp ontology 1 of scissor-shaped, and the copper strips 2 on 1 top of clamp ontology is arranged in, copper strips 2 is fixed on
The fixation device at 1 top of clamp ontology, the bottom of the clamp ontology 1 are set with insulation sleeve, and the top of the clamp ontology 1 is
Two semi-circular clamp bodies that can be detained together with, 2 both ends of copper strips are fixed on two semicircles by fixed device respectively
In clamping, it is contained in inside two semi-circular clamp bodies between 2 both ends of copper strips.
The fixed device is metal platen 3, is bolted between the fixed device and clamp ontology 1.It is described
The spring 10 of compressive state is provided between the bottom of clamp ontology 1.The copper connecting line 4 is 1 strand or more copper wire composition, described
The diameter of copper connecting line 4 is 5-7mm.The copper strips 2 is copper wire woven composition.The width of the copper strips 2 is 3-8cm.
The height of the present embodiment clamp ontology 1 is 15-20cm, and the top of the clamp ontology 1, which is two, can buckle and one
The semi-circular clamp body risen, snapping together rear diameter is 8cm, and semi-circular clamp body height is 6cm, the thickness of the copper strips 2
For 5cm.
In use, liner layer of the copper strips 2 as the short binder of metal, for realizing being abutted against for short seal apparatus and casing column cap
Touching, according to the casing column cap of different-diameter, adjusts the length of copper strips 2, keeps copper strips 2 complete by the suit 1 of copper strips 2 on casing column cap
It is fitted on casing column cap entirely, two free ends of copper strips 2 are separately fixed at 1 top two sides of clamp ontology, after adjustment, metal pressure
Plate 3 compresses at the top of clamp ontology 1, is bolted, and can realize 2 liner layer of copper strips by adjusting the elastic of bolt
Loosen and fix, in this way, when encountering the casing column cap of different-diameter, so that it may the length of 2 liner layer of flexible modulation copper strips, to protect
Demonstrate,prove contact area.After 2 sets of copper strips are installed, semi-circular clamp body is snapped together, and is used to apply pressure to 2 liner layer of copper strips,
2 liner layer of copper strips is set tightly to wrap casing column cap, during this, semi-circular clamp body itself does not need directly to contact
Casing column cap mainly contacts column cap by being flexible coupling for copper strips, keeps contact more abundant.The clamp ontology 1 of scissor-shaped is by metal
Material is made, and is wrapped up at the handle of lower part with rubber, and spring is arranged in the inside of 1 lower part of clamp ontology of scissor-shaped, makes top half
Circular clamp body can be effectively closed automatically, and when use needs people to exert oneself to hold 1 handle of clamp ontology of scissor-shaped, could be cutting
The clamp ontology 1 of knife-like opens.
Being connected by copper connecting line 4 for short binder, is set with transparent sheath outside copper connecting line, in order to guarantee short envelope effect,
The diameter of the copper connecting line 4 is that 5-7mm can be fixed on the clamp ontology 1 of scissor-shaped preferably, diameter is 6mm.Copper
The effect of connecting line 4 is to guarantee to be reliably connected between each short binder of metal, and have stronger through-current capability, each to guarantee
Short envelope connection effect between column cap.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, the fixation device of the present embodiment includes turntable 5, is uniformly arranged on institute
The location hole 6 and rocking bar 7 on turntable 5 are stated, described 7 one end of rocking bar is fixed on 5 central rotating shaft of turntable, the setting of 7 other end of rocking bar
There are handle 8 and plug 9 compatible with the location hole 6, the copper strips 2 is wrapped on turntable 5 and the end of copper strips 2 is fixed on
On turntable 5.In use, can shake rocking bar 7 manually when the length of adjustment copper strips 2, make to be contained in two between 2 both ends of copper strips
Semi-circular clamp body interior section shortens, and when being adjusted to best, plug 9 is inserted into the location hole 6 closed on, is fixed, is made
It adjusts more convenient.
Further, two semi-circular clamp bodies of the clamp ontology 1 are internally provided with conductive rubber layer, can be with
It assists applying pressure to the casing column cap inside semi-circular clamp body, is reliably connected copper strips 2 and casing column cap.The copper strips 2
Width be 3-8cm, using braiding constitute copper strips 2, weave networking, have certain flexibility, be conveniently adjusted length.
Carry out short envelope test using the present invention, improve the efficiency of short envelope, improve short envelope effect, eliminate it is artificial because
Element, when test, only need short envelope primary, and simple and fast, short envelope works well, without adjustment.Testing crew workload substantially reduces,
Need not wind repeatedly with the short envelope line of rechecking, greatly reduce have a power failure the working time.Meanwhile good short envelope effect can be improved
The accuracy of test data, so that the correct judgement to staff provides strong guarantee.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (4)
1. a kind of dedicated short seal apparatus of transformer test, it is characterised in that: including the short binder of more than one metal and be connected to
Copper connecting line (4) between the short binder of adjacent metal, the short binder of metal include the clamp ontology (1) of scissor-shaped, and setting exists
Copper strips (2) is fixed on the fixation device at the top of clamp ontology (1), the clamp sheet by the copper strips (2) on clamp ontology (1) top
The bottom of body (1) is set with insulation sleeve, and the top of the clamp ontology (1) is two semi-circular clamps that can be snapped together
Body, copper strips (2) both ends pass through fixed device respectively and are fixed on two semi-circular clamp bodies, copper strips (2) both ends it
Between be contained in inside two semi-circular clamp bodies；
The fixed device includes turntable (5), the location hole (6) and rocking bar (7) being uniformly arranged on the turntable (5), described
Rocking bar (7) one end is fixed on turntable (5) central rotating shaft, rocking bar (7) other end be provided with handle (8) and with the location hole
(6) compatible plug (9), the copper strips (2) is wrapped on turntable (5) and the end of copper strips (2) is fixed on turntable (5)；
The spring (10) of compressive state is provided between the bottom of the clamp ontology (1)；
Two semi-circular clamp bodies of the clamp ontology (1) are internally provided with conductive rubber layer；
The copper strips (2) is copper wire woven composition.
2. the dedicated short seal apparatus of a kind of transformer test according to claim 1, it is characterised in that: the copper connecting line
(4) it is formed for 1 strand or more of copper wire, the diameter of the copper connecting line (4) is 5-7mm.
3. the dedicated short seal apparatus of a kind of transformer test according to claim 2, it is characterised in that: the copper connecting line
(4) diameter is 6mm.
4. the dedicated short seal apparatus of a kind of transformer test according to claim 1, it is characterised in that: the copper strips (2)
Width is 3-8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647856.1A CN107271736B (en) | 2017-08-01 | 2017-08-01 | A kind of dedicated short seal apparatus of transformer test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647856.1A CN107271736B (en) | 2017-08-01 | 2017-08-01 | A kind of dedicated short seal apparatus of transformer test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107271736A CN107271736A (en) | 2017-10-20 |
| CN107271736B true CN107271736B (en) | 2019-11-19 |
Family
ID=60075537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710647856.1A Active CN107271736B (en) | 2017-08-01 | 2017-08-01 | A kind of dedicated short seal apparatus of transformer test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107271736B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406837A (en) * | 2018-11-01 | 2019-03-01 | 国家电网有限公司 | Power transformer high-potting multifunctional access wire clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203479847U (en) * | 2013-09-30 | 2014-03-12 | 国家电网公司 | Wire clamp for testing DC resistance of transformer or loop resistance of circuit breaker |
| CN204008737U (en) * | 2014-08-26 | 2014-12-10 | 国网山东齐河县供电公司 | Transformer test shorting stub |
| CN204101594U (en) * | 2014-08-04 | 2015-01-14 | 许昌县电业公司 | Can the short jumper device of telescopic adjustment short circuit spacing voluntarily |
| CN204858223U (en) * | 2015-07-24 | 2015-12-09 | 国网山东新泰市供电公司 | Novel transformer capacity test three -phase short -circuit connector |
| CN106168642A (en) * | 2016-07-27 | 2016-11-30 | 国网山东省电力公司青岛供电公司 | Shorting stub compensator for high-tension electricity equipment electrical test |
-
2017
- 2017-08-01 CN CN201710647856.1A patent/CN107271736B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203479847U (en) * | 2013-09-30 | 2014-03-12 | 国家电网公司 | Wire clamp for testing DC resistance of transformer or loop resistance of circuit breaker |
| CN204101594U (en) * | 2014-08-04 | 2015-01-14 | 许昌县电业公司 | Can the short jumper device of telescopic adjustment short circuit spacing voluntarily |
| CN204008737U (en) * | 2014-08-26 | 2014-12-10 | 国网山东齐河县供电公司 | Transformer test shorting stub |
| CN204858223U (en) * | 2015-07-24 | 2015-12-09 | 国网山东新泰市供电公司 | Novel transformer capacity test three -phase short -circuit connector |
| CN106168642A (en) * | 2016-07-27 | 2016-11-30 | 国网山东省电力公司青岛供电公司 | Shorting stub compensator for high-tension electricity equipment electrical test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107271736A (en) | 2017-10-20 |
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