CN104300235A - Virtual connection prevention sleeve for power lead of mutual inductor and method for connecting power cord - Google Patents
Virtual connection prevention sleeve for power lead of mutual inductor and method for connecting power cord Download PDFInfo
- Publication number
- CN104300235A CN104300235A CN201410630214.7A CN201410630214A CN104300235A CN 104300235 A CN104300235 A CN 104300235A CN 201410630214 A CN201410630214 A CN 201410630214A CN 104300235 A CN104300235 A CN 104300235A
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- pipe body
- power line
- lead wire
- power supply
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/14—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by wrapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/60—Connections between or with tubular conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
- Processing Of Terminals (AREA)
Abstract
The invention belongs to the technical field of wiring devices for mutual inductors, and discloses a virtual connection prevention sleeve for a power lead of a mutual inductor and a method for connecting a power cord. The sleeve is mainly and technically characterized by comprising a copper tube body, wherein a wiring nick is formed in the end part of the copper tube body. The method comprises the following steps of selecting the copper tube body of which the internal diameter is slightly larger than the external diameter of an insulating layer of the power cord; sleeving the power cord with the copper tube body from the end part of the power cord, wherein the copper tube body is arranged below a wiring opening of the power cord at first; clamping the power lead into the wiring nick after the power lead of the mutual inductor is wound, tightly pressing the copper tube body by virtue of a hydraulic clamp, and winding an insulating tape on the outer side of the copper tube body, wherein the two ends of the copper tube are preferably sealed by an insulating sealant before the insulating tape is wound, so that the power lead of the mutual inductor and the power cord can be prevented from being loosened and separated, and a measurement numerical value is more accurate.
Description
Technical field
The invention belongs to mutual inductor interstar connection device technique field, relate to the method that instrument transformer power supply lead wire prevents connecing empty sleeve pipe and connecting power line specifically.
Background technology
In the circuit of power consumption, current/voltage is big and small differs greatly, and measuring for ease of secondary meter needs to be converted to more unified electric current, and the voltage in addition on circuit is all higher is breakneck as directly measured.Current transformer just plays the effect of unsteady flow and electrical isolation.Displaying Meter major part is the current voltmeter of pointer-type, so the secondary current great majority of current transformer are ampere levels.Therefore, in supply line, the use of instrument transformer is very many.The power supply of instrument transformer is generally obtained by main power line, power line is generally the aluminum steel with insulating barrier, and the power supply lead wire of instrument transformer is generally and moulds copper cash, and copper aluminium contact more easily oxidation causes loose contact, and colligation easily loosens or comes off, the accuracy of impact metering.
Summary of the invention
First technical problem that the present invention solves just is to provide a kind of instrument transformer power supply lead wire of power supply wiring loose or dislocation that can prevent and prevents connecing empty sleeve pipe.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is: comprise copper pipe body, described copper pipe end of body is provided with wiring breach.
Its additional technical feature is:
Described wiring breach is square or semicircle;
Described wiring breach periphery is provided with round and smooth flanging;
Be provided with at described copper tubular body and ward off tin layers.
Second technical problem that the present invention solves just is to provide a kind of method using above-mentioned instrument transformer power supply lead wire to prevent connecing empty sleeve pipe connecting power line.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
The method comprises the following steps:
The first step, chooses copper pipe body
According to the external diameter of power line insulating barrier, choose copper pipe body, the internal diameter of copper pipe body is more bigger than the external diameter of power line insulating barrier;
Second step, by copper pipe body cover on the power line
From power cord ends, copper pipe body is inserted in, and first copper pipe body is placed in power line and opens below connection jaws place;
3rd step, on the power line opening
Open connection jaws on the power line;
4th step, is wound around instrument transformer power supply lead wire
The end convolution of instrument transformer power supply lead wire is wrapped on the opening of power line;
5th step, mobile copper pipe body
Along power line, copper pipe body is moved to connection jaws side, and instrument transformer power supply lead wire is snapped in wiring breach;
6th step, compresses copper pipe body
With hydraulic tongs, copper pipe body is compressed;
7th step, insulation processing
Insulating tape is wound around in the external side of copper pipe.
Its additional technical feature is:
After copper pipe body compresses by described 6th step, at described copper pipe body two ends perfusion electric insulating sealant.
Instrument transformer power supply lead wire provided by the invention prevents the method connecing empty sleeve pipe and connecting power line, compared with the existing technology comparatively have the following advantages: one, owing to comprising copper pipe body, described copper pipe end of body is provided with wiring breach, choose the copper pipe body that internal diameter is more bigger than power line insulating barrier external diameter, from power cord ends, copper pipe body is inserted in, and first copper pipe body is placed in power line and opens below connection jaws place, after winding instrument transformer power supply lead wire; Instrument transformer power supply lead wire is snapped in wiring breach, with hydraulic tongs, copper pipe body is compressed, and be wrapped in the external side of copper pipe with insulating tape, before winding insulating tape, copper pipe body two ends seal by the most handy electric insulating sealant, like this, the power supply lead wire of instrument transformer and power line can not loose or dislocations, measure numerical value more accurate; Its two, because described wiring breach is square or semicircle; Described wiring breach periphery is provided with round and smooth flanging, avoids copper pipe body and damage is caused to instrument transformer power supply lead wire; Its three, be provided with at described copper tubular body and ward off tin layers, avoid the oxidation of instrument transformer power supply lead wire end and power line.
Accompanying drawing explanation
Fig. 1 is the structural representation that instrument transformer power supply lead wire provided by the invention prevents connecing empty sleeve pipe;
Fig. 2 is the structural representation that the instrument transformer power supply lead wire of another kind of wiring breach prevents connecing empty sleeve pipe;
The structural representation of Fig. 3 to be wiring breach with the instrument transformer power supply lead wire of flanging prevent connecing empty sleeve pipe;
Fig. 4 is the A of Fig. 3---A cutaway view;
Fig. 5 is the B of Fig. 3---B cutaway view.
Embodiment
Below in conjunction with accompanying drawing, instrument transformer power supply lead wire proposed by the invention is prevented that connecing empty sleeve pipe is described further.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, instrument transformer power supply lead wire prevents the structural representation connecing empty sleeve pipe.This instrument transformer power supply lead wire prevents that connecing empty sleeve pipe comprises copper pipe body 1, is provided with wiring breach 2 in copper pipe body 1 end.Choose the copper pipe body 1 that internal diameter is more bigger than power line insulating barrier external diameter, from power cord ends, copper pipe body is inserted in, and first copper pipe body is placed in power line and opens below connection jaws place, after winding instrument transformer power supply lead wire; Instrument transformer power supply lead wire is snapped in wiring breach, with hydraulic tongs, copper pipe body is compressed, and be wrapped in the external side of copper pipe with insulating tape, before winding insulating tape, copper pipe body two ends seal by the most handy electric insulating sealant, like this, the power supply lead wire of instrument transformer and power line can not loose or dislocations, measure numerical value more accurate.
Wiring breach 2 can be square, also can be semicircle as shown in Figure 2.The periphery of wiring breach 2 is provided with round and smooth flanging 3, avoids copper pipe body and damage is caused to instrument transformer power supply lead wire.
Be provided with in the inside of copper pipe body 1 and ward off tin layers 4, avoid the oxidation of instrument transformer power supply lead wire end and power line.
The method connecing empty sleeve pipe connecting power line comprises the following steps: to use above-mentioned instrument transformer power supply lead wire to prevent
The first step, chooses copper pipe body
According to the external diameter of power line insulating barrier, choose copper pipe body 1, the internal diameter of copper pipe body 1 is more bigger than the external diameter of power line insulating barrier;
Second step, by copper pipe body cover on the power line
From power cord ends, copper pipe body 1 is inserted in, and first copper pipe body 1 is placed in power line and opens below connection jaws place;
3rd step, on the power line opening
Open connection jaws on the power line;
4th step, is wound around instrument transformer power supply lead wire
The end convolution of instrument transformer power supply lead wire is wrapped on the opening of power line;
5th step, mobile copper pipe body
Along power line, copper pipe body 1 is moved to connection jaws side, and instrument transformer power supply lead wire is snapped in wiring breach 2;
6th step, compresses copper pipe body
With hydraulic tongs, copper pipe body is compressed;
7th step, insulation processing
Insulating tape is wound around in the external side of copper pipe.
Certainly, in order to avoid instrument transformer power supply lead wire is aging, after copper pipe body is compressed, at described copper pipe body two ends perfusion electric insulating sealant.
Protection scope of the present invention is not only confined to above-described embodiment, as long as structure and instrument transformer power supply lead wire of the present invention are anti-, to connect empty sleeve structure identical, just drops on the scope of protection of the invention.
Claims (6)
1. instrument transformer power supply lead wire is anti-connects empty sleeve pipe, it is characterized in that: comprise copper pipe body, described copper pipe end of body is provided with wiring breach.
2. instrument transformer power supply lead wire according to claim 1 is anti-connects empty sleeve pipe, it is characterized in that: described wiring breach is square or semicircle.
3. instrument transformer power supply lead wire according to claim 1 is anti-connects empty sleeve pipe, it is characterized in that: described wiring breach periphery is provided with round and smooth flanging.
4. instrument transformer power supply lead wire according to claim 1 is anti-connects empty sleeve pipe, it is characterized in that: be provided with at described copper tubular body and ward off tin layers.
5. use the instrument transformer power supply lead wire described in claim 1,2,3 or 4 to prevent the method connecing empty sleeve pipe connecting power line, it is characterized in that: the method comprises the following steps:
The first step, chooses copper pipe body
According to the external diameter of power line insulating barrier, choose copper pipe body, the internal diameter of copper pipe body is more bigger than the external diameter of power line insulating barrier;
Second step, by copper pipe body cover on the power line
From power cord ends, copper pipe body is inserted in, and first copper pipe body is placed in power line and opens below connection jaws place;
3rd step, on the power line opening
Open connection jaws on the power line;
4th step, is wound around instrument transformer power supply lead wire
The end convolution of instrument transformer power supply lead wire is wrapped on the opening of power line;
5th step, mobile copper pipe body
Along power line, copper pipe body is moved to connection jaws side, and instrument transformer power supply lead wire is snapped in wiring breach;
6th step, compresses copper pipe body
With hydraulic tongs, copper pipe body is compressed;
7th step, insulation processing
Insulating tape is wound around in the external side of copper pipe.
6. the method for connecting power line according to claim 5, is characterized in that: after copper pipe body compresses by described 6th step, at described copper pipe body two ends perfusion electric insulating sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630214.7A CN104300235B (en) | 2014-11-11 | 2014-11-11 | Use the method that transformer power supply lead wire is prevented connecing empty telescopic joint power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630214.7A CN104300235B (en) | 2014-11-11 | 2014-11-11 | Use the method that transformer power supply lead wire is prevented connecing empty telescopic joint power line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104300235A true CN104300235A (en) | 2015-01-21 |
| CN104300235B CN104300235B (en) | 2016-11-23 |
Family
ID=52319873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410630214.7A Active CN104300235B (en) | 2014-11-11 | 2014-11-11 | Use the method that transformer power supply lead wire is prevented connecing empty telescopic joint power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104300235B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2819502Y (en) * | 2005-07-06 | 2006-09-20 | 胡斌 | Fast riveting sleeve of aluminum and copper conductive wire |
| CN2932660Y (en) * | 2006-06-02 | 2007-08-08 | 李有奎 | An anti-loosening insulating jacket of energized terminal |
| CN201576756U (en) * | 2009-12-17 | 2010-09-08 | 中山大洋电机股份有限公司 | Electrical connection structure of electric wire and enameled wire and motor thereof |
| CN202034484U (en) * | 2010-12-10 | 2011-11-09 | 鲍炜 | Waterproof joint of electric hot plate |
| CN102891417A (en) * | 2011-07-19 | 2013-01-23 | 中国北车集团大同电力机车有限责任公司 | Lead connecting method and junction terminal |
| CN202888410U (en) * | 2012-09-03 | 2013-04-17 | 杭州钱江压缩机有限公司 | Crimping joint structure for aluminium enamelled wire and copper wire |
| CN204375981U (en) * | 2014-11-11 | 2015-06-03 | 国网河北饶阳县供电公司 | Instrument transformer power supply lead wire is anti-connects empty sleeve pipe |
-
2014
- 2014-11-11 CN CN201410630214.7A patent/CN104300235B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2819502Y (en) * | 2005-07-06 | 2006-09-20 | 胡斌 | Fast riveting sleeve of aluminum and copper conductive wire |
| CN2932660Y (en) * | 2006-06-02 | 2007-08-08 | 李有奎 | An anti-loosening insulating jacket of energized terminal |
| CN201576756U (en) * | 2009-12-17 | 2010-09-08 | 中山大洋电机股份有限公司 | Electrical connection structure of electric wire and enameled wire and motor thereof |
| CN202034484U (en) * | 2010-12-10 | 2011-11-09 | 鲍炜 | Waterproof joint of electric hot plate |
| CN102891417A (en) * | 2011-07-19 | 2013-01-23 | 中国北车集团大同电力机车有限责任公司 | Lead connecting method and junction terminal |
| CN202888410U (en) * | 2012-09-03 | 2013-04-17 | 杭州钱江压缩机有限公司 | Crimping joint structure for aluminium enamelled wire and copper wire |
| CN204375981U (en) * | 2014-11-11 | 2015-06-03 | 国网河北饶阳县供电公司 | Instrument transformer power supply lead wire is anti-connects empty sleeve pipe |
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| Publication number | Publication date |
|---|---|
| CN104300235B (en) | 2016-11-23 |
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