CN110246624A - The earthy contact chip of high-tension cable and HV cable accessories aluminium sheath earthing method - Google Patents
The earthy contact chip of high-tension cable and HV cable accessories aluminium sheath earthing method Download PDFInfo
- Publication number
- CN110246624A CN110246624A CN201910581125.0A CN201910581125A CN110246624A CN 110246624 A CN110246624 A CN 110246624A CN 201910581125 A CN201910581125 A CN 201910581125A CN 110246624 A CN110246624 A CN 110246624A
- Authority
- CN
- China
- Prior art keywords
- contact chip
- cable
- aluminium sheath
- contact
- tension cable
- 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.)
- Granted
Links
- 239000004411 aluminium Substances 0.000 title claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000004568 cement Substances 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000565 sealant 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/028—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients with screen grounding means, e.g. drain wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- 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
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
Abstract
The present invention relates to high voltage power cable accessories technical fields; more particularly to a kind of earthy contact chip of high-tension cable and HV cable accessories aluminium sheath earthing method; contact chip is arranged between metallic braid and electrical cable aluminium sheath; contact chip is connect closely with electrical cable aluminium sheath and ground connection establishment line by hose clamp holding; contact chip offer earth current, which leads to, to be connect; waterproof sealing and protection finally are carried out with heat-shrink tube, high-tension cable aluminium sheath ground connection is completed and draws.It changes the welding manner that cable accessory installation is widely used and carries out aluminium sheath ground connection, grounding connection is carried out using the present invention, erecting bed can be made not have to get angry, installation is more quick simultaneously, it reduces to the requirement of installer's skill, and using the contact chip for having rough contact point, contact resistance is reduced, and electric conductivity is higher.
Description
Technical field
The present invention relates to high voltage power cable accessories technical field more particularly to a kind of earthy contact chip of high-tension cable with
And HV cable accessories aluminium sheath earthing method.
Background technique
Electric cable fitting is the critical product of connecting cable to electric line and related power distribution equipment, it and cable one
It rises and constitutes power delivery networks.Cable accessory generallys use welding (soldering) mode when handling electrical cable aluminium sheath ground connection at present
It is attached, this operation construction site needs to get angry, and there are larger security risks, more likely damage cable, while also right
Operator's technical requirements are higher.
Summary of the invention
The technical problem to be solved by the present invention is in order to solve in the prior art cable accessory processing electrical cable aluminium sheath connect
It when ground, generallys use welding (soldering) mode and is attached, this operation construction site needs to get angry, and there are larger safety is hidden
Suffer from, more likely damages cable, while also to the higher technical problem of operator's technical requirements, the present invention provides a kind of high pressure
Cable grounding contact chip and HV cable accessories aluminium sheath earthing method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of earthy contact chip of high-tension cable and height
Piezoelectricity cable fittings aluminium sheath earthing method, including contact chip ontology, contact chip ontology use metal material structure in the form of sheets, contact
The upper surface of piece ontology is provided with the upper contact point of multiple protrusions, and upper contact point passes through the lower surface punching press shape in contact chip ontology
At the lower surface of contact chip ontology is provided with the lower contact point of multiple protrusions, and lower contact point passes through the upper table in contact chip ontology
Face is stamped and formed out.
In order to guarantee good electric conductivity, arrange to the interlaced close rule (array) in the upper contact point and lower contact point
It is listed on contact chip ontology.
In order to guarantee good electric conductivity, the contact chip ontology uses copper or Copper alloy material.
In order to reduce contact resistance, guarantee good electric conductivity, keep contact more preferable, the upper surface of the contact chip ontology and
The equal silver-plated process in lower surface.
A kind of HV cable accessories aluminium sheath earthing method, using the earthy contact chip of high-tension cable, including such as
Lower step,
1) the part oversheath of high-tension cable is cut off, exposes electrical cable aluminium sheath；
2) a plurality of metallic braid, the length direction and high pressure of metallic braid are evenly arranged in the periphery of electrical cable aluminium sheath
The length direction of cable is consistent, and contact chip ontology is provided between every metallic braid and electrical cable aluminium sheath；
3) it is centered around outside metallic braid with hose clamp, is compressed metallic braid by hose clamp and is bundled in cable aluminium shield
The periphery of set；
4) tail portion of metallic braid extands rearward to the periphery of oversheath, by waterproof gasket cement by metallic braid
Tail portion is simultaneously fastened in the periphery of oversheath；
5) it is set with heat-shrink tube outside the electrical cable aluminium sheath of exposed part again, the front end of heat-shrink tube and metallic braid front end
Oversheath is sealedly and fixedly connected, and the rear end of heat-shrink tube is fixedly connected with the metallic braid of waterproof gasket cement rear end, waterproof sealing
Glue periphery and heat-shrink tube are tightly connected.
The invention has the advantages that the earthy contact chip of high-tension cable of the invention and HV cable accessories aluminium sheath
Contact chip is arranged between metallic braid and electrical cable aluminium sheath earthing method, makes contact chip and cable by hose clamp holding
Aluminium sheath and ground connection establishment line closely connect, and contact chip offer earth current, which leads to, to be connect, and finally carry out anti-watertight with heat-shrink tube
Envelope and protection are completed high-tension cable aluminium sheath ground connection and are drawn.The welding manner that cable accessory installation is widely used is changed to carry out
Aluminium sheath ground connection carries out grounding connection using the present invention, and erecting bed can be made not have to get angry, while installing more quick, drop
It is low that installer's skill is required, and using the contact chip for having rough contact point, contact resistance reduces, and electric conductivity is more
It is high.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overlooking structure diagram of the earthy contact chip of high-tension cable of the present invention.
Fig. 2 is the cross-sectional view of the earthy contact chip of high-tension cable of the present invention.
Fig. 3 is the mounting structure schematic diagram of HV cable accessories aluminium sheath earthing method of the present invention.
In figure: 1, contact chip ontology, 11, upper contact point, 12, lower contact point, 2, oversheath, 3, electrical cable aluminium sheath, 4, gold
Belong to braid over braid, 5, hose clamp, 6, waterproof gasket cement, 7, heat-shrink tube, 8, internal shield.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
It as illustrated in fig. 1 and 2, is optimum embodiment of the present invention, a kind of earthy contact chip of high-tension cable, including contact chip sheet
Body 1, contact chip ontology 1 using metal material structure in the form of sheets, the upper surface of contact chip ontology 1 be provided with multiple protrusions on connect
Contact 11, upper contact point 11 are stamped and formed out wedge angle upwardly by the following table in contact chip ontology 1, as dotted, contact chip sheet
The lower surface of body 1 is provided with the lower contact point 12 of multiple protrusions, and lower contact point 12 passes through downward in the upper surface of contact chip ontology 1
It is stamped and formed out wedge angle, it is as dotted.Upper contact point 11 and lower contact point 12 is interlaced is closely regularly arranged in contact chip sheet
On body 1, as illustrated in fig. 1 and 2, the upper contact point 11 of a row, contact point 12 is staggered down under a row, formation rule it is rectangular
Array-like.Contact chip ontology 1 uses copper or Copper alloy material.The equal silver-plated process of the upper and lower surfaces of contact chip ontology 1.
As shown in figure 3, a kind of HV cable accessories aluminium sheath earthing method, using the earthy contact of high-tension cable
Piece includes the following steps,
1) the part oversheath 2 of high-tension cable is cut off, exposes electrical cable aluminium sheath 3；
2) be evenly arranged a plurality of metallic braid 4 in the periphery of electrical cable aluminium sheath 3, the length direction of metallic braid 4 and
The length direction of high-tension cable is consistent, is provided with contact chip ontology 1 between every metallic braid 4 and electrical cable aluminium sheath 3；It connects
Contact ontology 1 can also be looped around the periphery of electrical cable aluminium sheath 3, then arranging a plurality of metallic braid 4, making metal in a word
There is conductive contact chip between braid over braid 4 and electrical cable aluminium sheath 3；
3) it is centered around outside metallic braid 4 with hose clamp 5, is compressed metallic braid 4 by hose clamp 5 and is bundled in cable
The periphery of aluminium sheath 3；
4) tail portion of metallic braid 4 extands rearward to the periphery of oversheath 2, will be metal knitted by waterproof gasket cement 6
With 4 tail portion and be fastened in the periphery of oversheath 2；
5) heat-shrink tube 7 is set with outside the electrical cable aluminium sheath 3 of exposed part again, before the front end of heat-shrink tube 7 and metallic braid 4
The internal shield 8 (internal layer that internal shield 8 is located at electrical cable aluminium sheath 3) at end is sealedly and fixedly connected, the rear end of heat-shrink tube 7 and waterproof
The metallic braid 4 of 6 rear end of sealant is fixedly connected, and the rear end of heat-shrink tube 7 is located at the periphery of oversheath 2, outside waterproof gasket cement 6
Week and heat-shrink tube 7 are tightly connected, and can guarantee the sealing of inner components by heat-shrink tube 7, the tail portion of metallic braid 4 is exposed
In heat-shrink tube 7, for connecting grounding apparatus.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. a kind of earthy contact chip of high-tension cable, it is characterised in that: including contact chip ontology (1), contact chip ontology (1) is used
Structure, the upper surface of contact chip ontology (1) are provided with the upper contact point (11) of multiple protrusions, upper contact point to metal material in the form of sheets
(11) by being stamped and formed out in the lower surface of contact chip ontology (1), the lower surface of contact chip ontology (1) is provided with multiple protrusions
Lower contact point (12), lower contact point (12) in the upper surface of contact chip ontology (1) by being stamped and formed out.
2. the earthy contact chip of high-tension cable as described in claim 1, it is characterised in that: the upper contact point (11) and under connect
Contact (12) is interlaced to be closely regularly arranged on contact chip ontology (1).
3. the earthy contact chip of high-tension cable as described in claim 1, it is characterised in that: the contact chip ontology (1) uses
Copper or Copper alloy material.
4. the earthy contact chip of high-tension cable as described in claim 1, it is characterised in that: the contact chip ontology (1) it is upper
The equal silver-plated process in surface and lower surface.
5. a kind of HV cable accessories aluminium sheath earthing method, it is characterised in that: using according to any one of claims 1-4
The earthy contact chip of high-tension cable, includes the following steps,
1) the part oversheath (2) of high-tension cable is cut off, exposes electrical cable aluminium sheath (3)；
2) it is evenly arranged a plurality of metallic braid (4) in the periphery of electrical cable aluminium sheath (3), the length direction of metallic braid (4)
It is consistent with the length direction of high-tension cable, contact chip sheet is provided between every metallic braid (4) and electrical cable aluminium sheath (3)
Body (1)；
3) it is centered around metallic braid (4) outside with hose clamp (5), metallic braid (4) is compressed and are bundled in by hose clamp (5)
The periphery of electrical cable aluminium sheath (3)；
4) tail portion of metallic braid (4) extands rearward to the periphery of oversheath (2), is compiled metal by waterproof gasket cement (6)
The tail portion of ribbon (4) is simultaneously fastened in the periphery of oversheath (2)；
5) it is set with again heat-shrink tube (7) outside the electrical cable aluminium sheath (3) of exposed part, the front end of heat-shrink tube (7) and metallic braid
(4) internal shield (8) of front end is sealedly and fixedly connected, the rear end of heat-shrink tube (7) and waterproof gasket cement (6) rear end it is metal knitted
Band (4) is fixedly connected, and waterproof gasket cement (6) periphery and heat-shrink tube (7) are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581125.0A CN110246624B (en) | 2019-06-29 | 2019-06-29 | Contact piece for grounding high-voltage cable and aluminum sheath grounding method for high-voltage cable accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581125.0A CN110246624B (en) | 2019-06-29 | 2019-06-29 | Contact piece for grounding high-voltage cable and aluminum sheath grounding method for high-voltage cable accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110246624A true CN110246624A (en) | 2019-09-17 |
| CN110246624B CN110246624B (en) | 2024-04-16 |
Family
ID=67890424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910581125.0A Active CN110246624B (en) | 2019-06-29 | 2019-06-29 | Contact piece for grounding high-voltage cable and aluminum sheath grounding method for high-voltage cable accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110246624B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2106724A (en) * | 1981-08-07 | 1983-04-13 | Kabel & Lackdrahtfab Gmbh | Earth connection for metal sheath, of an electric cable |
| KR20120038177A (en) * | 2010-10-13 | 2012-04-23 | 대한전선 주식회사 | Structure for connecting alumimum sheath of power cable and outer case of joint box |
| CN104781989A (en) * | 2012-11-06 | 2015-07-15 | 泰科电子瑞侃有限责任公司 | Earthing device for the electrically conductive jacket of a cable and method for applying the earthing device |
| CN206388875U (en) * | 2016-09-30 | 2017-08-08 | 3M创新有限公司 | Cable grounding device and power cable system |
| CN206992665U (en) * | 2017-06-12 | 2018-02-09 | 国缆集团电力有限公司 | A kind of cable accessory |
| CN207069093U (en) * | 2017-07-07 | 2018-03-02 | 长园电力技术有限公司 | A kind of cable aluminum foil sheath grounding assembly and its ground connection structure |
| CN209993390U (en) * | 2019-06-29 | 2020-01-24 | 信承瑞技术有限公司 | Contact piece for grounding high-voltage cable |
-
2019
- 2019-06-29 CN CN201910581125.0A patent/CN110246624B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2106724A (en) * | 1981-08-07 | 1983-04-13 | Kabel & Lackdrahtfab Gmbh | Earth connection for metal sheath, of an electric cable |
| KR20120038177A (en) * | 2010-10-13 | 2012-04-23 | 대한전선 주식회사 | Structure for connecting alumimum sheath of power cable and outer case of joint box |
| CN104781989A (en) * | 2012-11-06 | 2015-07-15 | 泰科电子瑞侃有限责任公司 | Earthing device for the electrically conductive jacket of a cable and method for applying the earthing device |
| CN206388875U (en) * | 2016-09-30 | 2017-08-08 | 3M创新有限公司 | Cable grounding device and power cable system |
| CN206992665U (en) * | 2017-06-12 | 2018-02-09 | 国缆集团电力有限公司 | A kind of cable accessory |
| CN207069093U (en) * | 2017-07-07 | 2018-03-02 | 长园电力技术有限公司 | A kind of cable aluminum foil sheath grounding assembly and its ground connection structure |
| CN209993390U (en) * | 2019-06-29 | 2020-01-24 | 信承瑞技术有限公司 | Contact piece for grounding high-voltage cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110246624B (en) | 2024-04-16 |
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