CN109193470A - A kind of earthing method of the cable laid in groups - Google Patents
A kind of earthing method of the cable laid in groups Download PDFInfo
- Publication number
- CN109193470A CN109193470A CN201810991803.6A CN201810991803A CN109193470A CN 109193470 A CN109193470 A CN 109193470A CN 201810991803 A CN201810991803 A CN 201810991803A CN 109193470 A CN109193470 A CN 109193470A
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- CN
- China
- Prior art keywords
- cable
- shielded layer
- conduct piece
- insulating tape
- groups
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- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- Cable Accessories (AREA)
Abstract
The invention discloses the earthing methods for the cable that one kind is laid in groups, belong to cable grounding technical field.When implementing grounding to the n root cable laid in groups, the shielded layer being first sequentially connected using n-1 conduct piece between this n root cable, finally n-th cable is individually grounded, this processing is so that the n root cable laid in groups can be grounded via the ground connection of n-th cable.It does not need each cable and carries out individual grounding, only need to select a suitable cable grounding point yet.Workload is also largely reduced while certain cost can be reduced.
Description
Technical field
The present invention relates to cable grounding technical field, in particular to a kind of earthing method of the cable laid in groups.
Background technique
Cable is widely used in the occasion of various electric power transmitting and conveying.Since the operating voltage of cable is higher, work
Electric current is larger, therefore the terminal of cable would generally be directly grounded, and the insulating layer to avoid cable short circuit or cable damages in turn
Jeopardize the safety of the person and electrical equipment, while cable can also be reduced to the electromagnetism of other equipment, control cable and signal cable
Interference.
And for the multi-cable for needing to lay in groups, it will usually a piece-root grafting ground wire is connected on every cable, this
The connection that kind method needs once to be grounded every cable, and usually it is also required to for each piece-root grafting line options one
Suitable wiring place, larger workload and higher cost.
Summary of the invention
The embodiment of the invention provides the earthing methods for the cable that one kind is laid in groups, can reduce more laid in groups
Cost and workload of the cable in ground connection.The technical solution is as follows:
The embodiment of the invention provides the earthing methods for the cable that one kind is laid in groups, which comprises
One group of n root cable laid in groups is provided, wherein n >=2, and n is integer；
Expose the shielded layer of the every cable；
The shielded layer of first cable and the shielded layer of second cable, second are sequentially connected using n-1 conduct piece
The shielded layer of the shielded layer of cable and third root cable ... until the shielding of the shielded layer and n-th cable of (n-1)th cable
Layer；
Grounding is carried out to n-th cable.
Optionally, include: using the shielded layer of the shielded layer and second cable of conduct piece first cable of connection
One end of the conduct piece is fixed on the shielded layer of first cable；
The junction of shielded layer and the conduct piece to first cable carries out insulated enclosure processing；
The other end of the conduct piece is fixed on the shielded layer of second cable.
Optionally, the junction of the shielded layer to first cable and the conduct piece carries out at insulated enclosure
Reason includes:
Insulating tape, the insulating tape are wound in the shielded layer of first cable and the junction of the conduct piece
Cover the shielded layer of the exposing of first cable；
Heat-shrink tube is arranged in the outside of the insulating tape.
Optionally, the junction of the shielded layer to first cable and the conduct piece carries out at insulated enclosure
Reason further include:
Before the outside of the insulating tape is arranged heat-shrink tube, in one layer of sealing of circumferential coating of the insulating tape
Glue.
Optionally, the junction of the shielded layer to first cable and the conduct piece carries out at insulated enclosure
Reason further include:
Before being arranged the heat-shrink tube on first cable for being coated with the sealant, to first cable
Oversheath carries out cleaning treatment.
Optionally, the sealant is coated in the region on first cable, in the axis along first cable
To on direction, at least exceed each 15~20mm in both sides of the edge of the insulating tape.
Optionally, on the axial direction along first cable, the length of the heat-shrink tube at least exceeds described close
Each 20~the 30mm in the both sides of the edge of sealing.
Optionally, one end of the conduct piece is soldered on the shielded layer of first cable.
Optionally, the conduct piece is conductor wire.
Optionally, the outside of the conductor wire is provided with isolating shrinkable tube.
Technical solution provided in an embodiment of the present invention has the benefit that be implemented to the n root cable laid in groups
When grounding, it first is sequentially connected the shielded layer between this n root cable using n-1 conduct piece, it is finally that n-th cable is independent
It is grounded, this processing is so that the n root cable laid in groups can be grounded via the ground connection of n-th cable.And it is not required to
It wants each cable to carry out individual grounding, also only needs to select a suitable cable grounding point.It can reduce
Also workload is largely reduced while certain cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described,
Fig. 1 is the flow chart of the earthing method for the cable that one kind provided in an embodiment of the present invention is laid in groups；
Fig. 2 is the flow chart of the earthing method for the cable that another kind provided in an embodiment of the present invention is laid in groups；
Fig. 3 is the structural schematic diagram of cable provided in an embodiment of the present invention；
Fig. 4 is Part Methods process step figure provided in an embodiment of the present invention；
Fig. 5 is the part Connection Step figure between cable provided in an embodiment of the present invention；
Fig. 6~Fig. 8 is another part method flow block diagram provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is the flow chart of the earthing method for the cable that one kind provided in an embodiment of the present invention is laid in groups.Such as Fig. 1 institute
Show, this method comprises:
S11: one group of n root cable laid in groups is provided.
Wherein n >=2, and n is integer.
S12: expose the shielded layer of every cable.
S13: the shielded layer of first cable and the shielded layer of second cable, are sequentially connected using n-1 conduct piece
The shielded layer of the shielded layers of two cables and third root cable ... until the screen of the shielded layer of (n-1)th cable and n-th cable
Cover layer.
S14: grounding is carried out to n-th cable.
When implementing grounding to the n root cable laid in groups, this n root electricity first is sequentially connected using n-1 conduct piece
N-th cable is finally individually grounded by the shielded layer between cable, and this processing is so that the n root cable laid in groups
It is grounded via the ground connection of n-th cable.It does not need each cable and carries out individual grounding, only need to select yet
Select a suitable cable grounding point.Workload is also largely reduced while certain cost can be reduced.
Fig. 2 is the flow chart of the earthing method for the cable that another kind provided in an embodiment of the present invention is laid in groups.Such as Fig. 2 institute
Show, this method comprises:
S21: one group of n root cable laid in groups is provided.
Wherein n >=2, and n is integer.
Of the invention for ease of understanding, in the present embodiment, the value of n can be 2.It below will be according to the cable count laid in groups
Amount for 2 come the present invention will be described understand.
S22: expose the shielded layer of every cable.
To be illustrated to this method below in conjunction with Fig. 3 convenient for the understanding of the present invention, Fig. 3 is that the embodiment of the present invention mentions
The structural schematic diagram of the cable of confession as shown in figure 3, cable 1 includes at least core 11, and is sequentially coaxially set on core 11
Isolation strip 12, insulating layer 13, shielded layer 14 and oversheath 15.
In other situations provided in an embodiment of the present invention, the structure of cable 1 correspondingly can also increase or reduce, this hair
It is bright without limitation.
In step S22, the shielded layer for exposing every cable can carry out ring cutting processing to every cable, make each cable
Shielded layer can be exposed by the oversheath part of cable.This structure can carry out the company between the shielded layer of cable convenient for staff
It connects.
The structure for executing the step the cable after S22 can be as shown in figure 4, first cable provided in the present embodiment
101 are partly cut across with the oversheath of second cable 102, the notch 101a and second cable on first cable 101
Notch 102a on 102 is sleeve-shaped.
S23: the shielded layer of first cable and the shielded layer of second cable, are sequentially connected using n-1 conduct piece
The shielded layer of the shielded layers of two cables and third root cable ... until the screen of the shielded layer of (n-1)th cable and n-th cable
Cover layer.
Fig. 5 is the part Connection Step figure between cable provided in an embodiment of the present invention, as shown in figure 5, step S23 packet
It includes:
S231: one end of conduct piece is fixed on the shielded layer of first cable.
The structural schematic diagram of first cable and second cable after executing the step S231 can be as shown in fig. 6, first
Conduct piece 103 is connected on the shielded layer 101a of root cable 101.
Optionally, the both ends of conduct piece 103 can be respectively welded to the shielded layer 101b and second electricity of first cable 101
On the shielded layer 102b of cable 102, connected in the form of welding, it is ensured that between first cable 101 and second cable 102
Connective stability, guarantee cable between effective connection.
S232: the junction progress insulated enclosure processing to the shielded layer and conduct piece of first cable.
Step S232 may include, wind insulating tape, insulation in the shielded layer of first cable and the junction of conduct piece
Adhesive tape covers the shielded layer of the exposing of first cable；Heat-shrink tube is arranged in the outside of insulating tape.
Increase after covering the shielded layer for covering the exposing of first cable using insulating tape and then in the external of insulating tape
It adds and sets heat-shrink tube, the friction between heat-shrink tube and first cable can be reduced, and improve first between cable and conduct piece
Connection sealing, advantageously ensure that the service life of first cable and heat-shrink tube.
For having carried out for first after ring cutting cable, insulating tape can fill and lead up entire cut out portion, avoid first
There are gaps between the notch of root cable, insulating tape and oversheath.
Further, before the outside of insulating tape is arranged heat-shrink tube, can insulating tape circumferential one layer of coating it is close
Sealing.To further increase first connection sealing between cable and conduct piece, guarantee first cable and heat-shrink tube
Service life.
Optionally, sealant is coated in the region on first cable, on the axial direction along first cable, at least
Each 15~the 20mm in both sides of the edge beyond insulating tape.It is steady that first connection between cable and conduct piece can be improved in this set
It is qualitative.
Illustratively, on the axial direction along first cable, the length of heat-shrink tube at least exceeds the two sides of sealant
Each 20~the 30mm in edge.First connective stability between cable and conduct piece can be improved in this set.
It should be noted that each carries out ring cutting processing in n root cable provided in an embodiment of the present invention, expose screen
Layer is covered, and the cable that shielded layer and conduct piece are attached has carried out the shielded layer of first cable and the junction of conduct piece
The insulated enclosure processing carried out.Its step is identical with step S232, and details are not described herein again.
It illustratively, can be to first cable before being arranged heat-shrink tube on first cable for being coated with sealant
Oversheath carries out cleaning treatment.The oversheath for first cable for needing to be arranged heat-shrink tube is cleaned, can remove first
Cable in the impurity for the part for needing to be arranged heat-shrink tube, the junction that both avoids because impurity there are due to there is gap, guarantee
Being stably connected between heat-shrink tube and first cable.
Optionally, conduct piece can be conductor wire.Conductor wire is easily achieved the connection between different cables, and to the big of space
Small requirement is smaller.
Further, the outside of conductor wire is provided with isolating shrinkable tube.Isolating shrinkable tube can guarantee conductor wire insulation and
Sealing performance.It avoids generating between different cables and interfere with each other.Wherein, conductor wire can be copper litz wire.
Optionally, isolating shrinkable tube can be installed again after one end of conductor wire has been connected to first cable to conductor wire
On, this set can by first cable between second cable at a distance from be adjusted to more appropriate, and the length of conductor wire
Degree correspondence is adjusted to appropriate distance and then isolating shrinkable tube is arranged on conductor wire, and this set is more flexible, can basis
Actual conditions adjustment.
Execute the step the cable after S232 structural schematic diagram can as shown in fig. 7, first cable 101 notch
It is sequentially coaxially provided with insulating tape 104, sealant 105 and heat-shrink tube 106 on 101a, insulation heat is provided on conduct piece 103
The draw 107.
S233: the other end of conduct piece is fixed on the shielded layer of second cable.
Wherein, the other end of conduct piece also can weld on the shielded layer of second cable.
S24: grounding is carried out to n-th cable.
In such case of the present embodiment, it is to second electricity that it is due to selection, which is 2 cables laid in groups,
Cable carries out grounding, and step S24 may include that one end of ground line, ground connection are connected on the shielded layer that second cable exposes
The other end of line is grounded.To complete the ground connection of first cable and second cable.And then the shielding exposed in second cable
The insulated enclosure that the connection place of shielded layer and conduct piece that first cable is carried out at layer carries out is handled.Complete second cable
Grounding.
Wherein, ground line and conductor wire can be that this method also can be improved while saving cost in identical structure and material
Using flexible.
The structural schematic diagram for executing the step the cable after S24 can be as shown in figure 8, first cable 101 and second
Cable 102 is linked together by conduct piece 103, is provided with ground line 108 on second cable 102.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. the earthing method for the cable that one kind is laid in groups, which is characterized in that the described method includes:
One group of n root cable laid in groups is provided, wherein n >=2, and n is integer；
Expose the shielded layer of the every cable；
The shielded layer of first cable and the shielded layer of second cable, second cable are sequentially connected using n-1 conduct piece
Shielded layer and third root cable shielded layer ... until the shielded layer of the shielded layer of (n-1)th cable and n-th cable；
Grounding is carried out to n-th cable.
2. the method according to claim 1, wherein connecting the shielded layer of first cable using a conduct piece
Shielded layer with second cable includes:
One end of the conduct piece is fixed on the shielded layer of first cable；
The junction of shielded layer and the conduct piece to first cable carries out insulated enclosure processing；
The other end of the conduct piece is fixed on the shielded layer of second cable.
3. according to the method described in claim 2, it is characterized in that, the shielded layer to first cable is led with described
The junction of electric part carries out insulated enclosure processing
Insulating tape, the insulating tape covering are wound in the shielded layer of first cable and the junction of the conduct piece
The shielded layer of the exposing of first cable；
Heat-shrink tube is arranged in the outside of the insulating tape.
4. according to the method described in claim 3, it is characterized in that, the shielded layer to first cable is led with described
The junction of electric part carries out insulated enclosure processing further include:
Before the outside of the insulating tape is arranged heat-shrink tube, in one layer of sealant of circumferential coating of the insulating tape.
5. according to the method described in claim 4, it is characterized in that, the shielded layer to first cable is led with described
The junction of electric part carries out insulated enclosure processing further include:
Before being arranged the heat-shrink tube on first cable for being coated with the sealant, to the outer shield of first cable
Set carries out cleaning treatment.
6. according to the method described in claim 4, it is characterized in that, the sealant is coated in the area on first cable
Domain at least exceeds each 15~20mm in both sides of the edge of the insulating tape on the axial direction along first cable.
7. described according to the method described in claim 4, it is characterized in that, on the axial direction along first cable
The length of heat-shrink tube at least exceeds each 20~30mm in both sides of the edge of the sealant.
8. according to the described in any item methods of claim 2~7, which is characterized in that one end of the conduct piece is soldered to described
On the shielded layer of first cable.
9. according to the described in any item methods of claim 2~7, which is characterized in that the conduct piece is conductor wire.
10. according to the method described in claim 9, it is characterized in that, the outside of the conductor wire is provided with isolating shrinkable tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991803.6A CN109193470A (en) | 2018-08-29 | 2018-08-29 | A kind of earthing method of the cable laid in groups |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991803.6A CN109193470A (en) | 2018-08-29 | 2018-08-29 | A kind of earthing method of the cable laid in groups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109193470A true CN109193470A (en) | 2019-01-11 |
Family
ID=64916804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810991803.6A Pending CN109193470A (en) | 2018-08-29 | 2018-08-29 | A kind of earthing method of the cable laid in groups |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109193470A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5347090A (en) * | 1991-11-12 | 1994-09-13 | Societe Anonyme Dite: Aerospatiale Societe Nationale Industrielle | Method for connecting the screen of at least one screened electrical cable to an electrical link wire, and connection obtained by implementation of this method |
| JP2000115974A (en) * | 1998-10-06 | 2000-04-21 | Nippon Field Eng Kk | Method of connecting live cable to ground |
| JP2009095226A (en) * | 2007-09-21 | 2009-04-30 | Viscas Corp | Earth wire drawing portion out of power cable and power cable connecting portion provided with earth wire drawing-out portion |
| CN201766170U (en) * | 2010-09-08 | 2011-03-16 | 许继集团有限公司 | grounding structure of communication cable shielding layer |
-
2018
- 2018-08-29 CN CN201810991803.6A patent/CN109193470A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5347090A (en) * | 1991-11-12 | 1994-09-13 | Societe Anonyme Dite: Aerospatiale Societe Nationale Industrielle | Method for connecting the screen of at least one screened electrical cable to an electrical link wire, and connection obtained by implementation of this method |
| JP2000115974A (en) * | 1998-10-06 | 2000-04-21 | Nippon Field Eng Kk | Method of connecting live cable to ground |
| JP2009095226A (en) * | 2007-09-21 | 2009-04-30 | Viscas Corp | Earth wire drawing portion out of power cable and power cable connecting portion provided with earth wire drawing-out portion |
| CN201766170U (en) * | 2010-09-08 | 2011-03-16 | 许继集团有限公司 | grounding structure of communication cable shielding layer |
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Legal Events
| 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: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |