CN206076513U - A kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV - Google Patents
A kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV Download PDFInfo
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- CN206076513U CN206076513U CN201621091540.6U CN201621091540U CN206076513U CN 206076513 U CN206076513 U CN 206076513U CN 201621091540 U CN201621091540 U CN 201621091540U CN 206076513 U CN206076513 U CN 206076513U
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- copper
- transition equipment
- binding post
- aluminium transition
- aluminium
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 230000002265 prevention Effects 0.000 title claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 216
- 239000010949 copper Substances 0.000 claims abstract description 194
- 229910052802 copper Inorganic materials 0.000 claims abstract description 193
- 230000007704 transition Effects 0.000 claims abstract description 82
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 72
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- 239000011889 copper foil Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 6
- 241000272165 Charadriidae Species 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000005304 joining Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 229960004643 cupric oxide Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 208000004067 Flatfoot Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
This utility model is related to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV, belongs to electric power system design, installs and service technique field.Including two copper-aluminium transition equipment cable clamps, copper-aluminium transition equipment cable clamp includes aluminium hydraulic pressed connecting pipe and the copper to aluminum adapter bar below aluminium hydraulic pressed connecting pipe, copper to aluminum adapter bar includes aluminum base plate and is close to the copper face layer of copper binding post, the copper to aluminum adapter bar of one of copper-aluminium transition equipment cable clamp is provided with copper wing plate, the copper to aluminum adapter bar of another copper-aluminium transition equipment cable clamp is provided with the outside of the copper wing plate fitted with the opposite side wall of copper binding post, copper binding post and two copper-aluminium transition equipment cable clamps and is arranged with dichotomous heat-shrink tube.This utility model simple structure is effective, prevent the outlet terminal and copper-aluminium transition equipment cable clamp joining place of dry cable terminal from oxidation, heating occurring and blacks, and reaches life cycle management.
Description
Technical field
This utility model is related to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV, belongs to electric power
System design, installation and service technique field.
Background technology
At present, the projecting terminal of the outdoor full pre-fabricated dry cable terminations of 110kV is copper, when being connected with built on stilts aluminum conductor,
The general connected mode using conventional copper-aluminium transition equipment cable clamp, copper-aluminium transition equipment cable clamp are connected with wire wire jumper again.According to
Various places operating experience, Jing infrared thermometries, projecting terminal and conventional copper-aluminium transition equipment cable clamp joining place generate heat, nigrescence phenomenon ratio
It is relatively universal, so that affecting the normal operation of circuit.Disclosed document introduction, mainly manufacturing process, design, construction link are present
Problem, makes a concrete analysis of as follows：
1、GB/T14315-2007《Power cable conductor crimp type copper, aluminum connecting terminal and connecting tube》To 35kV and with
Lower power cable crimp type copper, aluminum connecting terminal are made that technical stipulation.So far, country not yet puts into effect 110kV and above electric power
The technical stipulation of cable crimping type copper, aluminum connecting terminal.
2nd, " simple analysis 110kV dry type outdoor cable terminal yoke plate heating causes and counter arrange [J]（Cable technology, 2015.1：
34-35, Zhu Fawan. Shenzhen Power Supply Co., Ltd.）" summarize：One is that wire clamp installation is not in place, causes contact resistance excessive；Two
It is that design is unreasonable, flexible Dry-type Outdoor Cable Terminator is not rigidly fixed, and is waved with the wind, projecting terminal and copper-aluminium transition equipment
Not in one plane, there is gap in wire clamp joining place, contact resistance is become big and is generated heat；Three are not applied below cable termination
Work platform, with copper-aluminium transition equipment cable clamp joining place not in one plane, installation difficulty is big for projecting terminal, so that bolt is installed
It is not tight, there is gap, contact area is little, contact resistance is become big and is generated heat.Measure is：Mounting platform is set below cable termination,
Dry-type Outdoor Cable Terminator is rigidly fixed using porcelain sheath spark gap.
3rd, at present, to be mostly flat foot copper for the projecting terminal of the outdoor full pre-fabricated dry cable terminations of all of 110kV, is provided with
Two reserved fixing holes, what is be attached thereto is 1 pair of conventional copper-aluminium transition equipment cable clamp, conventional copper-aluminium transition equipment cable clamp again with lead
Line wire jumper is connected, and wire wire jumper is connect with wire tension-resistant series winding；When wire tension-resistant string is swung with the wind or is waved with wire icing
Dynamic, wire wire jumper can be acted on by power of flickering with conventional copper-aluminium transition equipment cable clamp；In addition, wire wire jumper is by aerial condutor
Aeolian vibration frequency, energy transmission year in and year out, connect on the projecting terminal of copper-aluminium transition equipment cable clamp and dry cable terminal
The nut of connecting bolt will occur to loosen so that the projecting terminal of conventional copper-aluminium transition equipment cable clamp and dry cable terminal it
Between contact surface diminish, contact resistance increase, further heating, oxidation and black.
4、GB149-90《Electric device installing engineering bus device is constructed and acceptance specification》The 2.1.8 article regulation, bus
Ought to meet the following requirements with the place in busbar shiplap joint face：1st, copper and copper, outdoor high temperature and moist or gas that bus is corrosive
Interior must ward off stannum, can be directly connected in dry interior；2nd, aluminum and aluminum, can be directly connected to；3rd, copper and aluminum, in dry room
Interior, copper conductor should ward off stannum, and outdoor or relative air humidity is close to 100% interior, should adopt copper-aluminium transition equipment cable clamp, copper face
Stannum should be warded off；4th, the fixed face of enclosed busbar bolt should be silver-plated.At present, the copper face of the copper-aluminium transition equipment cable clamp on market is because of city
Field competition, in order to force down cost, does not ward off stannum mostly, and this is also to cause projecting terminal with conventional copper-aluminium transition equipment cable clamp joining place
One of the reason for heating, nigrescence phenomenon.
5、GB50168-2006《Cable run is constructed and acceptance specification》Middle cable connection gold utensil section is preferably core section
1.2～1.5 times, then cross-section of cable 630mm2、800mm2With 1000 mm2Corresponding calculating section is respectively 756mm2、960mm2
And 1200mm2, contact surface value of calculation is respectively 6029mm2、7406mm2And 10158mm2, cable projecting terminal contact surface is respectively
7917mm2、11310mm2And 15551mm2, make somebody a mere figurehead side joint contacting surface and be respectively 8470mm 2、9470mm 2And 10010mm 2, above meter
Calculation value does not consider the contact surface that tin plating factor and fixing hole remove.With cross-section of cable 630mm2、800mm2With 1000 mm2Match
Built on stilts side SYG-300/40A, SYG-400/35A, SYG-500/45A type copper-aluminium transition equipment cable clamp copper face contact surface integration
Wei not 6615mm2（105mm×63mm）、6615mm2With 6800 mm2（80mm×85mm）.Substantially, existing copper-aluminium transition equipment
The contact area of wire clamp copper face is less than normal.At present, because the market competition is in order to reduce cost, the copper-aluminium transition equipment cable clamp on market
The theory contact area of copper face is not enough（The one-side contact face of indivedual producer's designs is 90mm × 50mm=4500mm2）Or theoretical contact
Face is enough but operating experience contact surface is not enough, and this is also to cause projecting terminal to send out with conventional copper-aluminium transition equipment cable clamp joining place
One of the reason for heat, nigrescence phenomenon.
6th, copper conductive paste（Or electric force compounded grease）With superfine cupper powder and other metallic atoms and various antioxidation, anticorrosive
Deng the pasty masses of additive composition, it is the reasonable filler of contact surface for processing electric power copper sleeve at present, but can not be too thick,
Conductive effect is otherwise affected, and paste is sooner or later dry and cracked, 5～20 years life-spans；The effect of conductive paste, is commonly called as " seventy-thirty ratio ", three points
Conduction, seven parts of anticorrosions, antioxidation.
7th, copper can occur chemical reaction in faintly acid rainwater：2Cu+O2+4H+=2Cu2++2H20, this reaction is that galvanic element is anti-
Should, anode：Cu→Cu2++2e-, negative electrode：O2+4H+→2H20.There is potential difference at Cu and Al combination in copper-aluminium transition equipment cable clamp,
Easily generate heat under larger current, and copper is reacted with oxygen in air under the conditions of heating, generate cupric oxide, so do
Between the projecting terminal and copper-aluminium transition equipment cable clamp of formula cable termination, contact surface causes contact resistance to increase because of cupric oxide
Greatly, further generate heat.Therefore, the oxygen and increase contact area for completely cutting off in air is the key for avoiding generating heat.
The content of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art is present, there is provided a kind of simple structure has
Effect, the generation oxidation of outlet terminal and copper-aluminium transition equipment cable clamp joining place, heating and the nigrescence that prevent dry cable terminal, reach
The device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV of life cycle management.
This utility model is achieved through the following technical solutions：
The device of the outdoor full pre-fabricated dry cable termination heating of a kind of prevention 110kV, it is characterised in that including being installed on copper
Two copper-aluminium transition equipment cable clamps 3 of 2 both sides of matter binding post, copper-aluminium transition equipment cable clamp 3 are included for conducting wire wire jumper
Aluminium hydraulic pressed connecting pipe 10 and the copper to aluminum adapter bar 11 below aluminium hydraulic pressed connecting pipe 10, copper to aluminum adapter bar 11 includes aluminum base plate 14 and is close to
The copper face layer 12 of copper binding post 2, the copper to aluminum adapter bar 11 of one of copper-aluminium transition equipment cable clamp 3 are provided with and are connect with copper
The copper wing plate 9 that the side wall of line terminals 2 fits, the copper to aluminum adapter bar 11 of another copper-aluminium transition equipment cable clamp 3 are provided with and copper
The copper wing plate 9 that the opposite side wall of matter binding post 2 fits, two copper to aluminum adapter bar, 11, two copper wing plates 9 are close to copper wiring
Four surface side walls of terminal 2, greatly increase contact area, reduce the resistance of contact resistance, prevent heating, two copper-aluminium transition equipments
Wire clamp 3 is fastened as a whole by securing member 4 with copper binding post 2, copper binding post 2 and two copper-aluminium transition equipment cable clamps
3 outside is arranged with for completely cutting off air and fastening the dichotomous heat-shrink tube 5 of each part；
In order to further increase contact area, copper face layer 12 and the copper binding post 2 of the copper-aluminium transition equipment cable clamp 3
Between be folded with rolled copper foil 13；
The thickness of the rolled copper foil 13 is 18um-110um；
In order to easy for installation, prevent two copper-aluminium transition equipment cable clamps 3 from contacting with each other, the side tube wall of the aluminium hydraulic pressed connecting pipe 10
With 12 outer surface of copper face layer of copper to aluminum adapter bar 11 on same vertical；
On described two copper-aluminium transition equipment cable clamps 3, electrical connection has wire wire jumper I 6, wire wire jumper II 7, wire respectively
Wire jumper I 6 is electrically connected with built on stilts aluminum conductor, and wire wire jumper I 6 is electrically connected with wire wire jumper II 7 by pacifying general wire clamp 8；
In order to be able to make copper face layer 12, copper wing plate 9 be brought into close contact with 2 outer surface of copper binding post, phase between each part is prevented
Mutually mobile, the copper wing plate 9 is located at the side of copper to aluminum adapter bar 11, and is in 90 ° of angles with copper to aluminum adapter bar 11；
The copper wing plate 9 is connected as one with copper face layer 12 and the two thickness is identical, the height of copper wing plate 9 and copper wiring
Terminal 2 it is highly identical；
The securing member 4 adopts rustless steel check bolt, on copper binding post 2, copper to aluminum adapter bar 11, rolled copper foil 13
It is equipped with for the through hole 15 through rustless steel check bolt；
The dichotomous heat-shrink tube 5 includes vertical pipes 16 and mutually passes through above vertical pipes 16 and with vertical pipes 16
Logical Liang Ge vertical branches sleeve pipe 17.
A kind of installation method of the device of the outdoor full pre-fabricated dry cable termination heatings of 110 kV of prevention, it is characterised in that bag
Include following steps：
The 1st, one end of wire wire jumper I 6, wire wire jumper II 7 is pressed crimping located at two copper-aluminium transition equipment cable clamps 3 respectively
On pipe 10；
2nd, dichotomous heat-shrink tube 5 is from bottom to top sheathed on outside two copper-aluminium transition equipment cable clamps 3, Liang Ge vertical branches
Sleeve pipe 17 is respectively arranged on the outside of two aluminium hydraulic pressed connecting pipes 10；
3rd, pad in the both sides of copper binding post 2 and set rolled copper foil 13, then by rustless steel check bolt by copper aluminum
The copper to aluminum adapter bar 11 of transition equipment cable clamp 3, rolled copper foil 13, copper binding post 2 are fastened as a whole, copper to aluminum adapter bar 11
Copper face layer 12 is fitted with rolled copper foil 13；
4th, the vertical pipes 16 of dichotomous heat-shrink tube 5 are sheathed on into copper to aluminum adapter bar 11, copper binding post 2, rustless steel
The outside of check bolt；
5th, heat dichotomous heat-shrink tube 5, dichotomous heat-shrink tube 5 is heated after-contraction, is close to the inwall of dichotomous heat-shrink tube 5
Each part；
6th, wire wire jumper I 6, wire wire jumper II 7 are electrically connected using peace general wire clamp 8.
A kind of apparatus structure design of prevention 110kV of the present utility model outdoor pre-fabricated dry cable termination full heatings is skilful
Wonderful, the both sides of copper binding post are contacted with the copper face layer of two copper-aluminium transition equipment cable clamps with copper wing plate respectively, and two
The copper wing plate of individual copper-aluminium transition equipment cable clamp is located at, is close to two sides of copper binding post respectively, copper binding post with
Upper rolled copper foil is padded between copper-aluminium transition equipment cable clamp, above-mentioned part is fastened as a whole using rustless steel check bolt, above-mentioned knot
Structure can not only increase contact area, and be avoided that the relative shifting of the copper face layer of copper binding post and copper-aluminium transition equipment cable clamp
Dynamic, connection more firmly, is finally obturaged the copper binding post of joining place, two copper with copper wing plate using fork formula heat-shrink tube
Aluminium transition equipment cable clamp and rustless steel check bolt.
This utility model can produce following good effect compared with the prior art：
1st, 2 both sides of copper binding post copper face layer contacts respectively with two copper-aluminium transition equipment cable clamps with copper wing plate,
Be multiplied contact area, and two copper wing plates are close to the remaining both sides of copper binding post respectively, can not only be further
Increase contact area, and the copper face layer relative movement of copper binding post and copper-aluminium transition equipment cable clamp is avoided that, connection is more
Plus firmly；
2nd, two copper coins being physically separated from link together, it is impossible to completely attach to, the copper coin of surface unusual light,
Under the microscope still it is observed that the sags and crests of 5～10um, the copper tip of reality operation is because of the contact resistance after surface oxidation, electricity
Flow through and generate heat, black, need fine sandpaper to polish off the compounds such as black oxidation Copper thin film；In bruting process, copper tip table
Face is more uneven, without micro- sem observation, visually can just find out, cause real contact area to be greatly decreased.This reality
Physical characteristics with the rolled copper foil of new employing are good, are difficult crackle, and its thickness can accomplish 18～110um, and electric conductivity is excellent
In conductive paste, operating temperature can reach 260 °C, by rolled copper foil be placed in copper binding post and copper-aluminium transition equipment cable clamp it
Between, bolt presses, rolled copper foil one can be to be partially filled with rough surface, so as to increase real contact area, two
It is to avoid oxygen from invading, delays the oxidation rate between cable copper tip and copper-aluminium transition equipment cable clamp.Copper thickness is too thin, pressure
Broken after tight, copper thickness is too thick, does not deform or deform very little after compression, does not have the scraggly seam of filling copper coin
Gap, therefore rolled copper foil thickness of the present utility model is between 18um～110um；
3rd, the oxygen completely cut off in air using dichotomous heat-shrink tube 5, it is to avoid copper binding post 2 and the copper with copper wing plate 9
The copper surface of aluminium transition equipment cable clamp 3 is oxidized, and can not adopt GB149-90《Electric device installing engineering bus device construct and
Acceptance specification》The 2.1.8 article regulation that stannum must be warded off with regard to outdoor；
4th, copper binding post 2 and the copper-aluminium transition equipment cable clamp 3 with copper wing plate 9 are fastened using rustless steel check bolt,
Rustless steel check bolt non-corrosive, will not pollute copper contact surface, so as to increase contact resistance.
The device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV of the present utility model, can make 110kV dry types electricity
Cable terminal service life can improve more than 50%, and electrical network more safe and reliable operation, this utility model are suitable for solving to generate electricity
The terminal heating problem of electrical equipment in factory, transformer station, therefore, with extensive promotional value.
Description of the drawings
Fig. 1：A kind of structural representation of the device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV of this utility model
Figure；
Fig. 2：The structural representation of this utility model copper-aluminium transition equipment cable clamp；
Fig. 3：The A-A of Fig. 2 cuts open structural representation；
Fig. 4：The B-B of Fig. 2 cuts open structural representation；
Fig. 5：The structural representation of rolled copper foil；
Fig. 6：The structural representation of dichotomous heat-shrink tube；
Fig. 7：The structure that the copper face layer of copper binding post and two copper-aluminium transition equipment cable clamps, rolled copper foil cooperate
Schematic diagram.
In figure：1st, the outdoor full pre-fabricated dry cable terminations of 110kV；2nd, copper binding post；3rd, copper-aluminium transition equipment cable clamp；
4th, securing member；5. dichotomous heat-shrink tube；6th, wire wire jumper I；7th, wire wire jumper II；8th, pacify general wire clamp；9th, copper wing plate；10th, crimp
Pipe；11st, copper to aluminum adapter bar；12nd, copper face layer；13rd, rolled copper foil；14th, aluminum base plate；15th, through hole；16th, vertical pipes；17th, hang down
Straight branch joint.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are obtained under the premise of no creative work
The every other embodiment for obtaining, belongs to the scope of this utility model protection.
Embodiment 1：With reference to Fig. 1-7.A kind of outdoor full pre-fabricated dry cable termination heatings of prevention 110kV of the present embodiment
Device, including the outdoor full pre-fabricated dry cable terminations 1, copper binding post 2 of 110kV, copper-aluminium transition equipment cable clamp 3, securing member
4th, dichotomous heat-shrink tube 5, wire wire jumper I 6, wire wire jumper II 7, the general wire clamp 8 of peace, copper wing plate 9, aluminium hydraulic pressed connecting pipe 10, copper to aluminum adapter bar
11st, copper face layer 12, rolled copper foil 13, aluminum base plate 14, through hole 15, vertical pipes 16, vertical branch's sleeve pipe 17.
Annexation is installed：Two copper-aluminium transition equipment cable clamps 3 are respectively arranged in the both sides of copper binding post 2, copper aluminum
Transition equipment cable clamp 3 includes the aluminium hydraulic pressed connecting pipe 10 and the copper to aluminum adapter bar below aluminium hydraulic pressed connecting pipe 10 for conducting wire wire jumper
11, copper to aluminum adapter bar 11 includes aluminum base plate 14 and is close to the copper face layer 12 of copper binding post 2, and one of copper-aluminium transition sets
The copper to aluminum adapter bar 11 of standby wire clamp 3 is provided with the copper wing plate 9 fitted with the side wall of copper binding post 2, another copper aluminum mistake
The copper to aluminum adapter bar 11 for crossing device clamp 3 is provided with the copper wing plate 9 fitted with the opposite side wall of copper binding post 2, two
11, two copper wing plates 9 of copper to aluminum adapter bar are close to four surface side walls of copper binding post 2, greatly increase contact area, reduce contact
The resistance of resistance, prevents heating, two copper-aluminium transition equipment cable clamps 3 from fastening as one by securing member 4 with copper binding post 2
The outside of body, copper binding post 2 and two copper-aluminium transition equipment cable clamps 3 is arranged with for completely cutting off air and fastening each part
Dichotomous heat-shrink tube 5；In order to further increase contact area, copper face layer 12 and the copper terminals of copper-aluminium transition equipment cable clamp 3
Rolled copper foil 13 is folded between son 2；The thickness of rolled copper foil 13 is 18 microns to 0.11 millimeter；In order to easy for installation, prevent
Two 3 overlapped conflicts of copper-aluminium transition equipment cable clamp, the side tube wall of aluminium hydraulic pressed connecting pipe 10 and the copper face layer 12 of copper to aluminum adapter bar 11
Outer surface is on same vertical；On two copper-aluminium transition equipment cable clamps 3, electrical connection has wire wire jumper I 6, wire wire jumper respectively
II 7, wire wire jumper I 6 is electrically connected with built on stilts aluminum conductor, and wire wire jumper I 6 is electrically connected with wire wire jumper II 7 by pacifying general wire clamp 8；
In order to be able to make copper face layer 12, copper wing plate 9 be brought into close contact with 2 outer surface of copper binding post, prevent from being mutually shifted between each part, copper
Wing plate 9 is installed on the side of copper to aluminum adapter bar 11, and is in 90 ° of angles with copper to aluminum adapter bar 11；The thickness of copper wing plate 9 and copper face layer
12 thickness is identical, and the width of copper wing plate 9 is identical with the thickness of copper binding post 2, the height of copper wing plate 9 and copper terminals
Son 2 it is highly identical；Securing member 4 adopts stainless steel bolt, on copper binding post 2, copper to aluminum adapter bar 11, rolled copper foil 13
It is provided with for the through hole 15 through stainless steel bolt；Dichotomous heat-shrink tube 5 includes vertical pipes 16 and in vertical pipes 16
Side and the Liang Ge vertical branches sleeve pipe 17 connected with vertical pipes 16.
Embodiment 2
A kind of installation method of the device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV of the present embodiment, ginseng
Accompanying drawing 1-7 is examined, during installation, vertical branch's sleeve pipe 17 of fork formula heat-shrink tube 5 two copper aluminum with copper wing plate 9 is enclosed within advance first
On transition equipment cable clamp 3 and wire wire jumper I 6, wire wire jumper II 7；Secondly, 9 points of the copper wing plate of two copper-aluminium transition equipment cable clamps 3
It is not located at, is close to the copper face layer 12 of two sides of copper binding post 2, copper binding post 2 and copper-aluminium transition equipment cable clamp 3
Between the upper rolled copper foil 13 of pad, then fasten copper binding post 2, rolled copper foil 13 and the copper aluminum with copper wing plate 9 with securing member 4
Transition equipment cable clamp 3；Again, fork formula heat-shrink tube 5 is heated, obturage copper binding post 2, the copper with copper wing plate 9 is shunk successively
Aluminium transition equipment cable clamp 3 and rustless steel check bolt are last, and wire wire jumper I 6 is fastened to wire wire jumper II using general wire clamp 8 is pacified
On 7.The dampness that fork formula heat-shrink tube 5 has completely cut off in air, the contact of copper-aluminium transition equipment cable clamp 3 and dry cable terminal terminal
Face is as indoors, copper-aluminium transition equipment cable clamp copper face is just not required to ward off stannum, cost-effective, in addition, copper-aluminium transition equipment cable clamp 3
The tube wall side of copper face layer outer surface 12 and aluminium hydraulic pressed connecting pipe 10 is on same vertical, and side band copper wing plate 9, in order to avoid two copper
When the copper wing plate 9 of aluminium transition equipment cable clamp 3 is located at, is close to two sides of copper binding post 2 respectively, copper-aluminium transition equipment line
Aluminium hydraulic pressed connecting pipe 10 on folder 3 is unlikely to collide with each other.
Effectively, dry cable terminal outlet terminal is set this utility model simple structure with two copper-aluminium transitions with copper wing plate
Connect between standby wire clamp more firmly, upper rolled copper foil is padded between copper binding post and copper-aluminium transition equipment cable clamp, at double
Increase contact area, prevent dry cable terminal outlet terminal and the copper-aluminium transition equipment cable clamp joining place with copper wing plate from aoxidizing,
The bad phenomenon such as heating and nigrescence, compensate for the outdoor full pre-fabricated dry cable termination projecting terminal contact surfaces of existing 110kV not enough
Defect, reach life cycle management design.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (9)
1. the device that a kind of outdoor full pre-fabricated dry cable terminations of prevention 110kV generate heat, it is characterised in that copper including being installed on
Binding post（2）Two copper-aluminium transition equipment cable clamps of both sides（3）, copper-aluminium transition equipment cable clamp（3）Including for conducting wire
The aluminium hydraulic pressed connecting pipe of wire jumper（10）And it is located at aluminium hydraulic pressed connecting pipe（10）The copper to aluminum adapter bar of lower section（11）, copper to aluminum adapter bar（11）Including aluminum
Substrate（14）And it is close to copper binding post（2）Copper face layer（12）, one of copper-aluminium transition equipment cable clamp（3）Copper aluminum mistake
Cab apron（11）It is provided with and copper binding post（2）The copper wing plate that fits of side wall（9）, another copper-aluminium transition equipment cable clamp
（3）Copper to aluminum adapter bar（11）It is provided with and copper binding post（2）The copper wing plate that fits of opposite side wall（9）, two copper
Aluminium transition equipment cable clamp（3）With copper binding post（2）By securing member（4）It is fastened as a whole, copper binding post（2）With two
Individual copper-aluminium transition equipment cable clamp（3）Outside be arranged with for completely cutting off air and fastening the dichotomous heat-shrink tube of each part（5）.
2. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 1, its feature
It is the copper-aluminium transition equipment cable clamp（3）Copper face layer（12）With copper binding post（2）Between be folded with rolled copper foil
（13）.
3. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 2, its feature
It is the rolled copper foil（13）Thickness be 18um-110um.
4. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 1, its feature
It is the aluminium hydraulic pressed connecting pipe（10）Side tube wall and copper to aluminum adapter bar（11）Copper face layer（12）Outer surface is on same vertical.
5. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 1, its feature
It is described two copper-aluminium transition equipment cable clamps（3）Upper electrical connection respectively has wire wire jumper I（6）, wire wire jumper II（7）, lead
Line wire jumper I（6）Electrically connect with built on stilts aluminum conductor, wire wire jumper I（6）By pacifying general wire clamp（8）With wire wire jumper II（7）It is electrically connected
Connect.
6. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 1, its feature
It is the copper wing plate（9）It is installed on copper to aluminum adapter bar（11）Side, and and copper to aluminum adapter bar（11）In 90 ° of angles.
7. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 6, its feature
It is the copper wing plate（9）With copper face layer（12）It is connected as a single entity and thickness is identical, copper wing plate（9）Height and copper binding post
（2）It is highly identical.
8. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 1, its feature
It is the securing member（4）Using rustless steel check bolt, copper binding post（2）, copper to aluminum adapter bar（11）, rolled copper foil
（13）On be equipped with for through rustless steel check bolt through hole（15）.
9. according to a kind of device of the outdoor full pre-fabricated dry cable termination heatings of the prevention 110kV described in claim 1, its feature
It is the dichotomous heat-shrink tube（5）Including vertical pipes（16）And it is located at vertical pipes（16）Top and and vertical pipes（16）
The Liang Ge vertical branches sleeve pipe for connecting（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621091540.6U CN206076513U (en) | 2016-09-29 | 2016-09-29 | A kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621091540.6U CN206076513U (en) | 2016-09-29 | 2016-09-29 | A kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076513U true CN206076513U (en) | 2017-04-05 |
Family
ID=58439385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621091540.6U Withdrawn - After Issue CN206076513U (en) | 2016-09-29 | 2016-09-29 | A kind of device of the outdoor full pre-fabricated dry cable termination heatings of prevention 110kV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299732A (en) * | 2016-09-29 | 2017-01-04 | 国网山东省电力公司烟台供电公司 | A kind of device preventing the outdoor full pre-fabricated dry cable termination heating of 110kV and installation method thereof |
| CN107424789A (en) * | 2017-08-03 | 2017-12-01 | 江苏齐正电力技术有限公司 | A kind of transformer hermetic terminal and its installation manufacture craft |
-
2016
- 2016-09-29 CN CN201621091540.6U patent/CN206076513U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299732A (en) * | 2016-09-29 | 2017-01-04 | 国网山东省电力公司烟台供电公司 | A kind of device preventing the outdoor full pre-fabricated dry cable termination heating of 110kV and installation method thereof |
| CN107424789A (en) * | 2017-08-03 | 2017-12-01 | 江苏齐正电力技术有限公司 | A kind of transformer hermetic terminal and its installation manufacture craft |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20190122 |
|
| AV01 | Patent right actively abandoned |