CN107818849A - A kind of live replacement of electric energy meter electric shock prevention method and insulation pullover - Google Patents
A kind of live replacement of electric energy meter electric shock prevention method and insulation pullover Download PDFInfo
- Publication number
- CN107818849A CN107818849A CN201711313766.5A CN201711313766A CN107818849A CN 107818849 A CN107818849 A CN 107818849A CN 201711313766 A CN201711313766 A CN 201711313766A CN 107818849 A CN107818849 A CN 107818849A
- Authority
- CN
- China
- Prior art keywords
- pullover
- line
- table line
- energy meter
- electric energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000002265 prevention Effects 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention relates to a kind of live replacement of electric energy meter electric shock prevention method and insulation pullover, belong to electrical equipment technical field.Technical scheme is：Pressure-wire pullover connects table line with voltage and matched, and enters table line pullover, goes out table line pullover, connect respectively with electric current table line enter line, outlet matches；It is all the internal conical structure hollow for cone that pressure-wire pullover, electric current, which connect table line pullover,；Three pressure-wire pullovers are respectively equipped with yellow, green, red color structure, and respective color surface is printed on UA, UB, UC printed words structure；Enter table line pullover and go out each pullover cone tip of table line pullover and be provided with white structure, surface is provided with three sensings（Backwards）The black arrow of tip, bottom are respectively equipped with yellow, green, red, blue color structure, and respective color surface is printed on A, B, C, N printed words structure, is mutually 120 degree.Of the invention effectively solves the problems, such as easily to occur during live replacement of electric energy meter the person and gets an electric shock or short-circuit, identifies clear, avoids causing changing wiring error after table.
Description
Technical field
The present invention relates to a kind of live replacement of electric energy meter electric shock prevention method and insulation pullover, belong to power equipment technology neck
Domain.
Background technology
Failure electric energy meter is changed, is the work that electric company metering professional staff is often carried out, in gage work
Accounting is more than 80%.When changing the work of failure electric energy meter, because being influenceed by power supply mode or customer electricity property etc., usually not
It can be changed after power down is taken, it is necessary to charged for replacement, now, after removing failure electric energy meter, former connection box of electric energy meter line
It is exposed, for safety, although exposed the end of a thread can be wrapped up with insulating tape, wrapped up and removed adhesive plaster all
It is cumbersome, changed actually powered in table work, staff is often without parcel, and therefore, staff is changing electric energy
It is easy to that person electric shock occurs during table or short circuiting arc is burnt, serious possibility causes personnel to get an electric shock and die, and has weight
Big personal risk.
The content of the invention
It is an object of the present invention to provide a kind of live replacement of electric energy meter electric shock prevention method and insulation pullover, in exposed live line
It is convenient to be set with head, other using pullover color and the direct marking line of character arrow, clear, easy to operate, safe, has
Solves above mentioned problem present in background technology to effect.
The technical scheme is that：A kind of live replacement of electric energy meter protection against electric shock insulate pullover, comprising pressure-wire pullover and
Electric current connects table line pullover, and the pressure-wire pullover has three, and connecing table line with voltage matches, and electric current, which connects table line pullover, eight,
Be divided into table line pullover, go out table line pullover, connect respectively with electric current table line enter line, outlet matches；Pressure-wire pullover, electric current connect
Table line pullover is all internal for conical hollow conical structure, length 60mm, tip diameter 4mm, base diameter 10mm, wall
Thick 2mm；Three pressure-wire pullovers are respectively A phase voltage lines pullover, B phase voltage line pullovers and C phase voltage line pullovers, are respectively equipped with
Yellow, green, red color structure, respective color surface are printed on UA, UB, UC printed words structure；Enter table line pullover and enter table line set comprising A phases
Head, B phases enter table line pullover, C phases enter table line pullover and enter table line pullover with N phases, go out table line pullover and go out table line pullover, B phases comprising A phases
Go out table line pullover, C phases go out table line pullover and go out table line pullover with N phases, each pullover cone tip 20mm is provided with white structure, bottom
40mm is respectively equipped with yellow, green, red, blue color structure, and respective color surface is printed on A, B, C, N printed words structure；It is every to enter table line pullover
The surface of individual pullover cone tip white structure is provided with three black arrows backwards to tip；Go out table line pullover and each cover cone
The surface of tip white structure is provided with three black arrows backwards to tip.
The material that the pressure-wire pullover, electric current connect table line pullover is electro-insulating rubber.
The material that the pressure-wire pullover, electric current connect table line pullover is plastics.
The quantity of each printed words in UA, UB, UC printed words structure is three, and three printed words of identical are in mutually
120 degree of settings.
The quantity of each printed words in A, B, C, N printed words structure is three, and three printed words of identical are in 120 mutually
Degree is set.
It is described enter table line pullover on three black arrows and to go out three black arrows of table line pullover be in 120 degree mutually
Set.
A kind of live replacement of electric energy meter electric shock prevention method, when failure electric energy meter is removed, often pull down a connection box of electric energy meter
Afterwards, immediately with above-mentioned insulation sleeve headgear on exposed powered the end of a thread, and A, B, C tri- is distinguished with yellow, green, red, Lan Si kinds color
Phase phase line and zero line, distinguished with the direction of arrow to insulate on pullover into table line or go out table line；When new electric energy meter is installed, one is often pulled out
The insulation pullover of piece-root grafting line, immediately access in new connection box of electric energy meter hole.So, just preferably solve easily occur the person get an electric shock or
The problem of short-circuit, safety is ensure that, meanwhile, and which root line substantially denotes the table line pulled down is, when avoiding installing new electric energy meter
Wrong line.
The beneficial effects of the invention are as follows：It is convenient to be set with exposed powered the end of a thread, effectively solves live replacement of electric energy meter
The problem of person gets an electric shock or be short-circuit, occurs for Shi Jiyi；It is that piece-root grafting line that pullover color and character arrow, which have directly indicated, clearly
Understand, avoid causing changing wiring error after table.
Brief description of the drawings
Fig. 1 is three-phase and four-line band mutual-inductor electric energy meter wiring diagram；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is present invention insulation pullover profile；
In figure：A phase voltage lines pullover 11, B phase voltage lines pullover 12, C phase voltage lines pullover 13, A phases enter table line pullover 21, B phases
Enter table line pullover 22, C phases enter table line pullover 23, N phases enter table line pullover 24, A phases go out table line pullover 31, B phases go out table line pullover 32,
C phases go out table line pullover 33, N phases go out table line pullover 34.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
A kind of live replacement of electric energy meter protection against electric shock insulation pullover, table line pullover is connect comprising pressure-wire pullover and electric current, described
Pressure-wire pullover has three, and connecing table line with voltage matches, and electric current, which connects table line pullover, eight, is divided into table line pullover, goes out table
Line pullover, connect respectively with electric current table line enter line, outlet matches；It is all that inside is that pressure-wire pullover, electric current, which connect table line pullover,
The hollow conical structure of cone, length 60mm, tip diameter 4mm, base diameter 10mm, wall thickness 2mm；Three pressure-wire sets
Head is respectively A phase voltage lines pullover 11, B phase voltage lines pullover 12 and C phase voltage lines pullover 13, is respectively equipped with yellow, green, red color
Structure, respective color surface are printed on UA, UB, UC printed words structure；Enter that table line pullover enters table line pullover 21 comprising A phases, B phases enter table line
Pullover 22, C phases enter table line pullover 23 and enter table line pullover 24 with N phases, go out that table line pullover goes out table line pullover 31 comprising A phases, B phases go out table
Line pullover 32, C phases go out table line pullover 33 and go out table line pullover 34 with N phases, and each pullover cone tip 20mm is provided with white structure, bottom
Portion 40mm is respectively equipped with yellow, green, red, blue color structure, and respective color surface is printed on A, B, C, N printed words structure；Enter table line pullover
The surface of each pullover cone tip white structure is provided with three black arrows backwards to tip；Go out table line pullover and each cover nose cone
The surface of body tip white structure is provided with three black arrows backwards to tip.Because pressure-wire only accesses three-phase, do not enter table,
Go out point of table, so being not provided with arrow.
The material that the pressure-wire pullover, electric current connect table line pullover is electro-insulating rubber.
The material that the pressure-wire pullover, electric current connect table line pullover is plastics.
Connection box of electric energy meter mainly has following several：
1st, single-phase electric energy meter wiring：A piece live wire inlet wire, a live wire outlet, a zero line inlet wire, a zero line outlet.
2nd, three-phase two elements connection box of electric energy meter：A, three pressure-wires of B, C phase, two electric current inlet wires of A, C phase, A, C phase two
Current outlet.
3rd, three-phase and four-line is without mutual-inductor electric energy meter wiring：A, three electric current inlet wires of B, C phase, three electric currents of A, B, C phase go out
Line, a N line inlet wire, a N line outlet.
4th, three-phase and four-line band mutual-inductor electric energy meter wiring：A, three pressure-wires of B, C phase, three electric current inlet wires of A, B, C phase, A,
B, three current outlets of C phases, a N line inlet wire, a N line outlet.
Wherein the mutual-inductor electric energy meter wiring of three-phase and four-line band is most, and it can also be met by meeting the insulation pullover of this wiring
Its wiring condition, the present invention are applied to three-phase and four-line band mutual-inductor electric energy meter wiring.
A kind of live replacement of electric energy meter electric shock prevention method, when failure electric energy meter is removed, often pull down a connection box of electric energy meter
Afterwards, immediately with insulation sleeve headgear on exposed powered the end of a thread, and A, B, C three-phase phase are distinguished with yellow, green, red, Lan Si kinds color
Line and zero line, distinguished with the direction of arrow to insulate on pullover into table line or go out table line；When new electric energy meter is installed, a piece-root grafting is often pulled out
The insulation pullover of line, immediately access in new connection box of electric energy meter hole.So, just preferably solve and person electric shock or short circuit easily occurs
The problem of, safety is ensure that, meanwhile, and which root line the obvious table line pulled down that denotes is, wrong when avoiding installing new electric energy meter
Line.
Insulation sleeve area of bed in the present invention is 4mm suitable for section2（Square millimeter）Following connects table line.Table line is connect to cut
Face is more than 4mm2When, because possible load is larger, power down must be taken when changing failure electric energy meter.
Claims (4)
- The pullover 1. a kind of live replacement of electric energy meter protection against electric shock insulate, it is characterised in that：Table line is connect comprising pressure-wire pullover and electric current Pullover, the pressure-wire pullover have three, and connecing table line with voltage matches, and electric current, which connects table line pullover, eight, is divided into table line Pullover, go out table line pullover, connect respectively with electric current table line enter line, outlet matches；Pressure-wire pullover, electric current connect table line pullover all It is the hollow conical structure of cone for inside, length 60mm, tip diameter 4mm, base diameter 10mm, wall thickness 2mm；Three Pressure-wire pullover is respectively A phase voltage line pullovers（11）, B phase voltage line pullovers（12）With C phase voltage line pullovers（13）, set respectively There is yellow, green, red color structure, respective color surface is printed on UA, UB, UC printed words structure；Enter table line pullover and enter table line set comprising A phases Head（21）, B phases enter table line pullover（22）, C phases enter table line pullover（23）Enter table line pullover with N phases（24）, go out table line pullover and include A Mutually go out table line pullover（31）, B phases go out table line pullover（32）, C phases go out table line pullover（33）Go out table line pullover with N phases（34）, each Pullover cone tip 20mm is provided with white structure, and bottom 40mm is respectively equipped with yellow, green, red, blue color structure, respective color surface It is printed on A, B, C, N printed words structure；The surface for entering each pullover cone tip white structure of table line pullover is provided with three backwards to tip Black arrow；The surface for going out each pullover cone tip white structure of table line pullover is provided with three black arrows backwards to tip Head.
- A kind of 2. live replacement of electric energy meter protection against electric shock insulation pullover according to claim 1, it is characterised in that：The voltage The material that line pullover, electric current connect table line pullover is electro-insulating rubber.
- A kind of 3. live replacement of electric energy meter protection against electric shock insulation pullover according to claim 1, it is characterised in that：The voltage The material that line pullover, electric current connect table line pullover is plastics.
- A kind of 4. live replacement of electric energy meter electric shock prevention method, it is characterised in that：When failure electric energy meter is removed, an electricity is often pulled down Can after table wiring, using the insulation sleeve headgear that claim 1-3 is limited on exposed powered the end of a thread, and with it is yellow, green, red, Lan Si kinds color distinguishes A, B, C three-phase phase line and zero line, is distinguished with the direction of arrow to insulate on pullover into table line or goes out table line；Peace When filling new electric energy meter, the insulation pullover of a piece-root grafting line is often pulled out, is immediately accessed in new connection box of electric energy meter hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313766.5A CN107818849A (en) | 2017-12-12 | 2017-12-12 | A kind of live replacement of electric energy meter electric shock prevention method and insulation pullover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313766.5A CN107818849A (en) | 2017-12-12 | 2017-12-12 | A kind of live replacement of electric energy meter electric shock prevention method and insulation pullover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107818849A true CN107818849A (en) | 2018-03-20 |
Family
ID=61605943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711313766.5A Pending CN107818849A (en) | 2017-12-12 | 2017-12-12 | A kind of live replacement of electric energy meter electric shock prevention method and insulation pullover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107818849A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426541A (en) * | 2019-06-21 | 2019-11-08 | 江苏科吉电气有限公司 | A kind of highly-safe electricity quantity monitoring device for carrying out hot swap |
| CN111293626A (en) * | 2018-12-07 | 2020-06-16 | 国网内蒙古东部电力有限公司经济技术研究院 | Live replacement method based on lightning protection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524343Y (en) * | 2002-01-18 | 2002-12-04 | 王栋梁 | Safety insulative casing for terminal |
| CN101710678A (en) * | 2009-12-17 | 2010-05-19 | 江苏省电力公司丹阳市供电公司 | Live wire terminal protecting jacket |
| CN201514419U (en) * | 2009-08-27 | 2010-06-23 | 邢台供电公司 | Insulator cap for replacing electric energy meter |
| CN203056528U (en) * | 2012-12-12 | 2013-07-10 | 夏邑县供电局 | Anti-short-circuit and anti-false-wiring insulated conductor bushing |
| CN203625297U (en) * | 2013-11-28 | 2014-06-04 | 国家电网公司 | Electrical insulating tape with colour differentiation identification |
| CN203965552U (en) * | 2013-12-23 | 2014-11-26 | 国家电网公司 | Hyperchannel low-voltage leakage detector |
-
2017
- 2017-12-12 CN CN201711313766.5A patent/CN107818849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524343Y (en) * | 2002-01-18 | 2002-12-04 | 王栋梁 | Safety insulative casing for terminal |
| CN201514419U (en) * | 2009-08-27 | 2010-06-23 | 邢台供电公司 | Insulator cap for replacing electric energy meter |
| CN101710678A (en) * | 2009-12-17 | 2010-05-19 | 江苏省电力公司丹阳市供电公司 | Live wire terminal protecting jacket |
| CN203056528U (en) * | 2012-12-12 | 2013-07-10 | 夏邑县供电局 | Anti-short-circuit and anti-false-wiring insulated conductor bushing |
| CN203625297U (en) * | 2013-11-28 | 2014-06-04 | 国家电网公司 | Electrical insulating tape with colour differentiation identification |
| CN203965552U (en) * | 2013-12-23 | 2014-11-26 | 国家电网公司 | Hyperchannel low-voltage leakage detector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293626A (en) * | 2018-12-07 | 2020-06-16 | 国网内蒙古东部电力有限公司经济技术研究院 | Live replacement method based on lightning protection device |
| CN111293626B (en) * | 2018-12-07 | 2021-09-28 | 国网内蒙古东部电力有限公司经济技术研究院 | Live replacement method based on lightning protection device |
| CN110426541A (en) * | 2019-06-21 | 2019-11-08 | 江苏科吉电气有限公司 | A kind of highly-safe electricity quantity monitoring device for carrying out hot swap |
| CN110426541B (en) * | 2019-06-21 | 2021-09-17 | 江苏科吉电气有限公司 | High electric quantity monitoring device that can carry out hot change of security |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180320 |
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| RJ01 | Rejection of invention patent application after publication |