CN110311265A - Low temperature resistant pre-fabricated electric cables - Google Patents
Low temperature resistant pre-fabricated electric cables Download PDFInfo
- Publication number
- CN110311265A CN110311265A CN201910529908.4A CN201910529908A CN110311265A CN 110311265 A CN110311265 A CN 110311265A CN 201910529908 A CN201910529908 A CN 201910529908A CN 110311265 A CN110311265 A CN 110311265A
- Authority
- CN
- China
- Prior art keywords
- cable
- electric cables
- fabricated electric
- branch
- low temperature
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000004411 aluminium Substances 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 238000002788 crimping Methods 0.000 claims abstract description 11
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 35
- 239000010949 copper Substances 0.000 claims description 35
- 229910052802 copper Inorganic materials 0.000 claims description 35
- 238000003466 welding Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 9
- 229910000679 solder Inorganic materials 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000009172 bursting Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
-
- 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
- H01R13/46—Bases; Cases
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- 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
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
Abstract
The invention belongs to substation equipment technical fields, and in particular to a kind of low temperature resistant pre-fabricated electric cables.It is one end by cable aviation plug by sealing aluminium hydraulic pressed connecting pipe crimping cable main push-towing rope, cable aviation plug is internally integrated cable and gold-plated cable female plug core；Pre-fabricated electric cables socket end is internally integrated cable branch and branch's male plug core, and pours and be inoculated with electric insulating sealant；Cable aviation plug and pre-fabricated electric cables socket end carry out plug connection, complete cable connection installation by cable main push-towing rope and cable branch, connect external electrical equipment by pre-fabricated electric cables branch.Simple with structure, design is reasonable, plug and play, convenient and efficient feature.It can be improved the tensile strength of cable branch and socket end and the sealing performance of branch and socket end；It avoids generating condensate in socket, prevents ground line sheath bursting by freezing.And ground wire is firm, should not fall off, and sealing performance and insulating properties are stronger.Cable is easy to distinguish and search, and reduces site operation difficulty, saves stripping cable process, shortens the site operation period.
Description
Technical field
The invention belongs to substation equipment technical fields, and in particular to a kind of low temperature resistant pre-fabricated electric cables.
Background technique
Traditional substation, intelligent substation and modular substation, to design, production, construction is proposed very high
It is required that gradually using prefabrication formula structure, site operation difficulty is greatly reduced, construction period is shortened, plug and play
Pre-fabricated electric cables are also promoted the use of a large area.
Pre-fabricated electric cables often produce in the following ways at present:
(1) cable type selecting: ZR-KVVRP2-22 or ZR-KVVRP22 is selected mostly；
(2) pre-fabricated electric cables connector encapsulates: connector and cable engagement section use screw clamp lock construction.
Disadvantage following points of the existing technology:
(1) there is resistance to low temperature in ZR-KVVRP2-22 or the intradermal sheath of two kinds of cable model cables of ZR-KVVRP22 and oversheath
Difference, low temperature become fragile ageing of performance it is fast the problems such as；
(2) there are sealing problems for the screw clamp lock construction that cable and connector use；
(3) condensate-proof can not be played the role of.
Summary of the invention
The present invention is in view of the deficiency of the prior art, to propose a kind of low temperature resistant pre-fabricated electric cables.Its purpose
It is to provide for a kind of, behaviour simple with stronger cold tolerance, stronger service performance and a kind of structure for prolonging the service life
Make convenient pre-fabricated electric cables.
The technical solution adopted by the present invention to solve the technical problems is:
Low temperature resistant pre-fabricated electric cables, by one end of cable aviation plug by sealing aluminium hydraulic pressed connecting pipe crimping cable main push-towing rope, cable aviation is inserted
Head is internally integrated cable and gold-plated cable female plug core；Pre-fabricated electric cables socket end is internally integrated cable branch and branch's male plug core, and
It pours and is inoculated with electric insulating sealant；Cable aviation plug and pre-fabricated electric cables socket end carry out plug connection, pass through cable main push-towing rope and cable
Branch completes cable connection installation, connects external electrical equipment by pre-fabricated electric cables branch.
The outside of the cable main push-towing rope is equipped with low temperature resistant PE cable inner sheath and cable jacket；Steel-tape armouring layer is located at resistance to
Between low temperature PE cable inner sheath and cable jacket；Cable main push-towing rope passes through pre-fabricated electric cables aviation plug, is sealed using insulated enclosure
Pass through sealing aluminium hydraulic pressed connecting pipe crimping connection after dress again；The both ends of cable main push-towing rope are respectively connected with cable aviation plug, steel-tape armouring layer PE
Material sheath ground line and shielding layer grounding line；Steel-tape armouring layer PE material sheath ground line connection grounding terminal block；The screen
Cover layer ground line and steel-tape armouring layer PE material sheath ground line point connection copper shield welding ground and steel belt layer PE material shield
Set ground line；Low temperature resistant PE cable inner sheath 2 is sleeved on the outside of copper shield, copper shield and copper shield welding ground phase
Connection.
The cable main push-towing rope use multicore multiply armouring flexible cable, length according to actual measurement subject to, dispatch from the factory before prefabricated completion,
Scene is docked after having laid with cabinet interpolation block, plug and play.
The low temperature resistant PE cable inner sheath is for protecting cable under extreme low temperature, and copper shield is used for cable signal screen
It covers, copper shield and copper shield welding ground are welded to connect, and copper shield welding ground is external equipped with low temperature resistant PE material
The ground line of sheath；The outside of the copper shield and steel-tape armouring layer is equipped with isolating shrinkable tube, for encapsulating copper shield
The solder joint of solder joint and steel-tape armouring layer, and and exterior insulation.
The oversheath of the steel-tape armouring layer PE material sheath ground line is low temperature material PE, steel-tape armouring layer PE material
Sheath ground line is discharged for exporting the electric current of steel-tape armouring layer；The shielding layer grounding line is connecing for cable shield
Ground wire, oversheath are low temperature material PE, and the inductive electromagnetic of shielding layer grounding bundle of lines copper shield exports cable, and discharges；
Copper shield welding ground and steel belt layer is respectively welded in the shielding layer grounding line and steel-tape armouring layer PE material sheath ground line
It on PE material sheath ground line, then is packaged, the another end of steel belt layer PE material sheath ground line is connected in plant area's grounded screen.
The sealing aluminium hydraulic pressed connecting pipe is used for the tail portion of crimping cable main push-towing rope and pre-fabricated electric cables branch, and the two is sealably engaged on one
It rises；Pre-fabricated electric cables branch is directly connected to device from pre-fabricated electric cables socket end；Pre-fabricated electric cables socket end be internally integrated cable branch and
Branch's male plug core, and pour and be inoculated with electric insulating sealant, it is also equipped with aviation socket and fixed plate, completes all cabinet internal wirings before dispatching from the factory,
After shielding cabinet placement in place, aviation plug is inserted with pre-fabricated electric cables main push-towing rope by aviation socket and docks completion cable connection.
The length of the pre-fabricated electric cables branch is 2 meters -20 meters, using single strand wire.
Pre-fabricated electric cables in the pre-fabricated electric cables socket end carry out insulated enclosure envelope when being branching through pre-fabricated electric cables socket end
Dress, then using sealing aluminium hydraulic pressed connecting pipe crimping；The cable core winding pipe is sleeved on pre-fabricated electric cables branch external, for protecting cable point
Branch；Cable coding tube is sleeved on outside cable core winding pipe and is in contact with pre-fabricated electric cables socket end；Cable core winding pipe is used for cable
Identity is the identity card of cable.Pre-fabricated electric cables socket end installs cable coding tube additional, and the cable core of pre-fabricated electric cables branch, which installs additional, to be inserted
Needle and contact pin unique identification, the cable core number and contact pin of pre-fabricated electric cables branch are used to distinguish the core number and specification of cable core；By pre-
The end the A electric connecting terminals row in cable branch portion processed and B terminated line terminal block complete cabinet internal wiring, and pre-fabricated electric cables socket end is connected to
In fixed plate.
The fixed plate is mountable part, is installed on pre-fabricated electric cables socket by nut bolt, or is pacified by nut bolt
In equipment.
The present invention has the following advantages and beneficial effects:
Cable of the present invention has structure simple, designs reasonable distinguishing feature.The present invention improves cable branch and socket end
The sealing performance of tensile strength and branch and socket end；It avoids air to enter in socket, condensate is generated in extremely cold situation
It may.Eliminate that wiring selection is improper, caused by be grounded the possibility of sheath bursting by freezing.In addition, the present invention is made of batch production
Shielding layer grounding line and armouring keep ground wire more firm at ground line using welding procedure, should not fall off.The present invention also uses
Multilayer insulation heat-shrink tube welded encapsulation point, keeps pad stronger and sealing performance and insulating properties are stronger.
Cable of the present invention and cable aviation plug crimp encapsulation by sealing aluminium hydraulic pressed connecting pipe, make the tensile property of whole cable and close
Sealing property has the raising compared with matter.There is cable number after the connector at main push-towing rope both ends of the present invention, cable is easy to distinguish, more preferably look into
It looks for.Pre-fabricated electric cables plug and play, it is convenient and efficient: to reduce site operation difficulty, eliminate various cumbersome stripping cable processes.Significantly
The site operation period is shortened, the grafting within shielding of mounted plug-and-socket end, can be completed before dispatching from the factory in cable plug end and cabinet
Cable connection.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawing and specific embodiment
The present invention is described in further detail, it is to be understood that protection scope of the present invention is not by the limit of specific embodiment
System.
Fig. 1 is Aviation cable plug and construction of cable schematic diagram of the present invention；
Fig. 2 is Aviation cable socket and cable branch structural schematic diagram of the present invention；
Fig. 3 is that the present invention implements status architecture schematic diagram.
In figure: cable aviation plug 1, low temperature resistant PE cable inner sheath 2, copper shield 3, copper shield welding ground 4, screen
Layer ground line 5 is covered, aluminium hydraulic pressed connecting pipe 6, isolating shrinkable tube 7, steel-tape armouring layer 8, steel belt layer PE material sheath ground line 9, steel band are sealed
Armor PE material sheath ground line 10, cable main push-towing rope 11, cable coding tube 12, pre-fabricated electric cables socket end 13, cable core winding pipe
14, pre-fabricated electric cables branch 15, fixed plate 16, cable jacket 17.
Specific embodiment
The present invention is a kind of low temperature resistant pre-fabricated electric cables, and as shown in Figure 1-Figure 3, one end of cable aviation plug 1 passes through sealing
6 crimping cable main push-towing rope 11 of aluminium hydraulic pressed connecting pipe, cable aviation plug 1 are internally integrated cable and gold-plated cable female plug core.Pre-fabricated electric cables socket
End 13 is internally integrated cable branch and branch's male plug core, and pours and be inoculated with electric insulating sealant.In use, cable aviation plug 1 and pre-
Cable socket end 13 processed carries out grafting, completes cable connection installation by cable main push-towing rope 11 and cable branch 15, passes through prefabricated electricity
Cable branch 15 connects external electrical equipment, completes current lead-through, the steel welded by the shielding layer grounding line 5 and shielded layer of armouring
The induced current of cable product is introduced the earth by band armor PE material sheath ground line 10.
The outside of the cable main push-towing rope 11 is equipped with low temperature resistant PE cable inner sheath 2 and cable jacket 17, is low temperature resistant
Sheath made of material PE, for protecting all components inside cable.
When cable main push-towing rope 11 passes through pre-fabricated electric cables aviation plug 1, pass through sealing aluminium hydraulic pressed connecting pipe 6 after encapsulating using insulated enclosure again
It is crimped；Cable main push-towing rope 11 of the present invention after sealing aluminium hydraulic pressed connecting pipe 6 crimps encapsulation, makes whole cable with cable aviation plug 1
Tensile property and sealing performance have the raising compared with matter.
Cable main push-towing rope 11 use multicore multiply armouring flexible cable, length according to actual measurement subject to, steel-tape armouring layer PE material
10 connection grounding terminal block of sheath ground line.The both ends of pre-fabricated electric cables main push-towing rope 11 are respectively connected with cable aviation plug 1, steel-tape armouring
Layer PE material sheath is grounded 10, shielding layer grounding line 5.Cable main push-towing rope length is subject to in-site measurement, prefabricated completion before dispatching from the factory,
Scene is docked after having laid with cabinet interpolation block, plug and play.
The oversheath of the steel-tape armouring layer PE material sheath ground line 10 is low temperature material PE, steel-tape armouring layer PE material
Matter sheath ground line 10, for exporting the electric current of steel-tape armouring layer 8, and discharges.The steel-tape armouring layer 8 is for protecting electricity
Cable increases cable compressive property.Steel-tape armouring layer 8 is located between low temperature resistant PE cable inner sheath and cable jacket.
The low temperature resistant PE cable inner sheath 2 is directly to be sleeved on copper shield 3 for protecting cable under extreme low temperature
It is external.Copper shield 3 is sleeved on the inside of low temperature resistant PE cable inner sheath 2.Copper shield 3 is shielded for cable signal, copper screen
Covering layer welding ground 4 is the external ground line for being equipped with low temperature resistant PE material sheath, copper shield 3 and copper shield welding ground 4
It is welded to connect.
The isolating shrinkable tube 7 is used to encapsulate the solder joint of copper shield 3 and the solder joint of steel-tape armouring layer 8, and exhausted with outside
Edge, isolating shrinkable tube 7 are equipped with one layer.
The shielding layer grounding line 5 is the ground line of cable shield 3, and oversheath is low temperature material PE, and shielded layer connects
The inductive electromagnetic of copper shield 3 can be exported cable by ground wire 5, and be discharged.
The cable main push-towing rope ground line is that shielding layer grounding line 5 and steel-tape armouring layer PE material sheath ground line 10 use work
Factoryization production is respectively welded copper shield welding ground 4 and steel belt layer PE material sheath ground line 9, then is packaged.Steel belt layer
The another end connection of PE material sheath ground line 9 is mounted in plant area's grounded screen.
The sealing aluminium hydraulic pressed connecting pipe 6 is used for the tail portion of crimping cable main push-towing rope 11 and pre-fabricated electric cables branch 15, connects the two sealing
It is combined, reaches higher tension and seal request.
The length of pre-fabricated electric cables branch 15 is 2 meters -20 meters, straight from pre-fabricated electric cables socket end 13 using single strand wire
Connection device in succession exempts guide rail terminals.Pre-fabricated electric cables socket end 13 is internally integrated cable branch and branch's male plug core, and pours
There is electric insulating sealant, be also equipped with aviation socket and fixed plate 16, all cabinet internal wirings are completed before dispatching from the factory, after screen cabinet placement is in place,
Aviation plug, which is inserted, with pre-fabricated electric cables main push-towing rope by aviation socket docks completion cable connection.
Pre-fabricated electric cables branch 15 in the pre-fabricated electric cables socket end 13 insulate when passing through pre-fabricated electric cables socket end 13
It is hermetically sealed, then crimped using Special seal aluminium hydraulic pressed connecting pipe 6；The cable core winding pipe 14 is sleeved on pre-fabricated electric cables branch 15
Outside, for protecting cable branch.Cable coding tube 12 be sleeved on the outside of cable core winding pipe 14 and with pre-fabricated electric cables socket end 13
It is in contact；Cable core winding pipe 14 is identified for cable identity, is the identity card of cable.Pre-fabricated electric cables socket end 13, which installs cable additional, to be compiled
Code pipe 12, the cable core of pre-fabricated electric cables branch 15 install contact pin and contact pin unique identification additional, the cable core number of pre-fabricated electric cables branch 15 and
Contact pin is used to distinguish the core number and specification of cable core.Pass through the end the A electric connecting terminals row of 15, pre-fabricated electric cables branch and B when in use
Terminated line terminal block completes cabinet internal wiring, and pre-fabricated electric cables socket end 13 is mounted in fixed plate 16.
The fixed plate 16 is a mountable part, it can be installed on pre-fabricated electric cables socket by nut bolt, simultaneously
Oneself can be mounted in equipment by nut bolt again.
When specifically used, as shown in figure 3, by the both ends of cable main push-towing rope 11 of the present invention pass through respectively cable aviation plug 1 with
Two 13 grafting of pre-fabricated electric cables socket end.
Claims (9)
1. low temperature resistant pre-fabricated electric cables, it is characterized in that: by one end of cable aviation plug by sealing aluminium hydraulic pressed connecting pipe crimping cable main push-towing rope,
Cable aviation plug is internally integrated cable and gold-plated cable female plug core；Pre-fabricated electric cables socket end is internally integrated cable branch and branch
Male plug core, and pour and be inoculated with electric insulating sealant；Cable aviation plug and pre-fabricated electric cables socket end carry out plug connection, pass through cable master
Cable and cable branch complete cable connection installation, connect external electrical equipment by pre-fabricated electric cables branch.
2. low temperature resistant pre-fabricated electric cables according to claim 1, it is characterized in that: the outside of the cable main push-towing rope is equipped with low temperature resistant
PE cable inner sheath and cable jacket；Steel-tape armouring layer is located between low temperature resistant PE cable inner sheath and cable jacket；Electricity
Cable main push-towing rope passes through pre-fabricated electric cables aviation plug, passes through sealing aluminium hydraulic pressed connecting pipe crimping connection after encapsulating using insulated enclosure again；Cable master
The both ends of cable are respectively connected with cable aviation plug, steel-tape armouring layer PE material sheath ground line and shielding layer grounding line；Steel band armour
Fill layer PE material sheath ground line connection grounding terminal block；The shielding layer grounding line and steel-tape armouring layer PE material sheath ground connection
Line point connection copper shield welding ground and steel belt layer PE material sheath ground line；Low temperature resistant PE cable inner sheath 2 is sleeved on copper
The outside of shielded layer, copper shield are connected with copper shield welding ground.
3. low temperature resistant pre-fabricated electric cables according to claim 1, it is characterized in that: the cable main push-towing rope uses multicore multiply armouring
Flexible cable, length according to actual measurement subject to, prefabricated completion before dispatching from the factory, scene dock after lay with cabinet interpolation block, i.e., slotting to be
With.
4. low temperature resistant pre-fabricated electric cables according to claim 2, it is characterized in that: the low temperature resistant PE cable inner sheath be for
Cable is protected under extreme low temperature, copper shield is shielded for cable signal, and copper shield and the welding of copper shield welding ground connect
It connects, copper shield welding ground is the external ground line for being equipped with low temperature resistant PE material sheath；The copper shield and steel-tape armouring
The outside of layer is equipped with isolating shrinkable tube, for encapsulating the solder joint of copper shield and the solder joint of steel-tape armouring layer, and and exterior insulation.
5. low temperature resistant pre-fabricated electric cables according to claim 2, it is characterized in that: the steel-tape armouring layer PE material sheath is grounded
The oversheath of line is low temperature material PE, and steel-tape armouring layer PE material sheath is grounded the electric current for exporting steel-tape armouring layer,
And it discharges；The shielding layer grounding line is the ground line of cable shield, and oversheath is low temperature material PE, shielding layer grounding
The inductive electromagnetic of bundle of lines copper shield exports cable, and discharges；The shielding layer grounding line and steel-tape armouring layer PE material shield
Set ground line is respectively welded on copper shield welding ground and steel belt layer PE material sheath ground line, then is packaged, steel belt layer
The another end of PE material sheath ground line is connected in plant area's grounded screen.
6. low temperature resistant pre-fabricated electric cables according to claim 1, it is characterized in that: the sealing aluminium hydraulic pressed connecting pipe is used for crimping cable
The tail portion of main push-towing rope and pre-fabricated electric cables branch, the two are sealingly engaged together；Pre-fabricated electric cables branch is direct from pre-fabricated electric cables socket end
Attachment device；Pre-fabricated electric cables socket end is internally integrated cable branch and branch's male plug core, and pours and be inoculated with electric insulating sealant, is also equipped with
Aviation socket and fixed plate complete all cabinet internal wirings and pass through aviation socket and pre-fabricated electric cables after screen cabinet placement is in place before dispatching from the factory
Main push-towing rope inserts aviation plug docking and completes cable connection.
7. low temperature resistant pre-fabricated electric cables according to claim 1, it is characterized in that: the length of the pre-fabricated electric cables branch be 2 meters-
20 meters, using single strand wire.
8. low temperature resistant pre-fabricated electric cables according to claim 2, it is characterized in that: the prefabricated electricity in the pre-fabricated electric cables socket end
Cable carries out insulated enclosure encapsulation when being branching through pre-fabricated electric cables socket end, then using sealing aluminium hydraulic pressed connecting pipe crimping；The cable core twines
It is mounted in pre-fabricated electric cables branch external around pipe sleeve, for protecting cable branch；Cable coding tube is sleeved on outside cable core winding pipe simultaneously
It is in contact with pre-fabricated electric cables socket end；Cable core winding pipe is identified for cable identity, is the identity card of cable.Pre-fabricated electric cables socket
End installs cable coding tube additional, and the cable core of pre-fabricated electric cables branch installs contact pin and contact pin unique identification, the cable core of pre-fabricated electric cables branch additional
Number and contact pin are used to distinguish the core number and specification of cable core；The end A electric connecting terminals row and B termination by pre-fabricated electric cables branch portion
Line terminals are drained at cabinet internal wiring, and pre-fabricated electric cables socket end is connected in fixed plate.
9. low temperature resistant pre-fabricated electric cables according to claim 8 pass through spiral shell it is characterized in that: the fixed plate is mountable part
Female bolt is installed on pre-fabricated electric cables socket, or is mounted in equipment by nut bolt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018115536895 | 2018-12-18 | ||
| CN201811553689 | 2018-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110311265A true CN110311265A (en) | 2019-10-08 |
Family
ID=68076545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529908.4A Pending CN110311265A (en) | 2018-12-18 | 2019-06-19 | Low temperature resistant pre-fabricated electric cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110311265A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563843A (en) * | 2020-11-26 | 2021-03-26 | 江南造船(集团)有限责任公司 | Grounding and protection method for multi-core electric connector |
| CN113363891A (en) * | 2021-06-07 | 2021-09-07 | 深圳市深电电力设备发展有限公司 | Manufacturing method of cable first-aid repair quick connector |
| CN114243412A (en) * | 2022-01-18 | 2022-03-25 | 大连北方互感器集团有限公司 | Manufacturing method and application of aviation socket with error-proofing device in voltage transformer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877256A (en) * | 2009-04-29 | 2010-11-03 | 约翰·梅扎林瓜联合有限公司 | Multilayer cable jacket |
| CN102082362A (en) * | 2010-12-16 | 2011-06-01 | 郑州煤矿机械集团股份有限公司 | One-step buckling and molding type cable connector |
| CN102544874A (en) * | 2012-03-02 | 2012-07-04 | 上海航天科工电器研究院有限公司 | Sealed cable connector |
| CN103280661A (en) * | 2013-04-27 | 2013-09-04 | 中国船舶重工集团公司第七○二研究所 | Underwater oil-filled cable and manufacturing method thereof |
| CN103886981A (en) * | 2013-09-18 | 2014-06-25 | 安徽华成电缆有限公司 | Copper tape armored and sheath power cable |
| CN204407643U (en) * | 2015-02-15 | 2015-06-17 | 南通市恒博工贸有限公司 | A kind of structure of pre-fabricated electric cables with ground |
| CN205846394U (en) * | 2016-07-26 | 2016-12-28 | 上海珖铭光电科技有限公司 | A kind of pre-fabricated electric cables |
| CN206164035U (en) * | 2016-10-11 | 2017-05-10 | 国网天津市电力公司 | Low temperature resistant highly compressed power cable terminal box under water that reaches |
| CN107994425A (en) * | 2017-10-30 | 2018-05-04 | 国网新疆电力公司经济技术研究院 | A kind of prefabricated ground wire cable |
| CN210326341U (en) * | 2018-12-18 | 2020-04-14 | 国网内蒙古东部电力有限公司经济技术研究院 | Low-temperature-resistant prefabricated cable |
-
2019
- 2019-06-19 CN CN201910529908.4A patent/CN110311265A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877256A (en) * | 2009-04-29 | 2010-11-03 | 约翰·梅扎林瓜联合有限公司 | Multilayer cable jacket |
| CN102082362A (en) * | 2010-12-16 | 2011-06-01 | 郑州煤矿机械集团股份有限公司 | One-step buckling and molding type cable connector |
| CN102544874A (en) * | 2012-03-02 | 2012-07-04 | 上海航天科工电器研究院有限公司 | Sealed cable connector |
| CN103280661A (en) * | 2013-04-27 | 2013-09-04 | 中国船舶重工集团公司第七○二研究所 | Underwater oil-filled cable and manufacturing method thereof |
| CN103886981A (en) * | 2013-09-18 | 2014-06-25 | 安徽华成电缆有限公司 | Copper tape armored and sheath power cable |
| CN204407643U (en) * | 2015-02-15 | 2015-06-17 | 南通市恒博工贸有限公司 | A kind of structure of pre-fabricated electric cables with ground |
| CN205846394U (en) * | 2016-07-26 | 2016-12-28 | 上海珖铭光电科技有限公司 | A kind of pre-fabricated electric cables |
| CN206164035U (en) * | 2016-10-11 | 2017-05-10 | 国网天津市电力公司 | Low temperature resistant highly compressed power cable terminal box under water that reaches |
| CN107994425A (en) * | 2017-10-30 | 2018-05-04 | 国网新疆电力公司经济技术研究院 | A kind of prefabricated ground wire cable |
| CN210326341U (en) * | 2018-12-18 | 2020-04-14 | 国网内蒙古东部电力有限公司经济技术研究院 | Low-temperature-resistant prefabricated cable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563843A (en) * | 2020-11-26 | 2021-03-26 | 江南造船(集团)有限责任公司 | Grounding and protection method for multi-core electric connector |
| CN112563843B (en) * | 2020-11-26 | 2022-08-16 | 江南造船(集团)有限责任公司 | Grounding and protection method for multi-core electric connector |
| CN113363891A (en) * | 2021-06-07 | 2021-09-07 | 深圳市深电电力设备发展有限公司 | Manufacturing method of cable first-aid repair quick connector |
| CN113363891B (en) * | 2021-06-07 | 2022-08-30 | 深圳市深电电力设备发展有限公司 | Manufacturing method of cable first-aid repair quick connector |
| CN114243412A (en) * | 2022-01-18 | 2022-03-25 | 大连北方互感器集团有限公司 | Manufacturing method and application of aviation socket with error-proofing device in voltage transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110311265A (en) | Low temperature resistant pre-fabricated electric cables | |
| CN202978201U (en) | Intelligent high-voltage cable joint of built-in partial discharge sensor | |
| CN207910144U (en) | A kind of integral type single shielded plug | |
| CN106300223B (en) | A kind of underwater photodetachment structure | |
| CN106159483B (en) | A kind of termination and its method of fireproof cable | |
| CN102751032A (en) | Flame-retardant power cable with concentric conductors | |
| CN205846394U (en) | A kind of pre-fabricated electric cables | |
| CN107994425A (en) | A kind of prefabricated ground wire cable | |
| CN101640403A (en) | Cable insulated joint | |
| CN201556921U (en) | Cable insulating connector structure | |
| CN105785532A (en) | Large-capacity armored undersea optical fiber cable quick connecting joint box and connecting method thereof | |
| CN108365593A (en) | High tension cable cross-connection system prevents mistake and connects cross-connection case | |
| CN202711843U (en) | Flame-retardant power cable with concentric conductor | |
| CN107086516A (en) | A kind of high current photovoltaic plant direct current confluxes cable and its mounting and installation method | |
| CN210326341U (en) | Low-temperature-resistant prefabricated cable | |
| CN209496655U (en) | A kind of 35kv and New insulated tube type bus below | |
| CN209608317U (en) | A kind of straight-through seamless connecting apparatus of cable | |
| CN201994429U (en) | Cable shielding layer grounding device | |
| CN205377251U (en) | Cable joint structure | |
| CN202189986U (en) | Outdoor control cable | |
| CN108321643B (en) | A kind of double coaxial connectors of high temperature resistant irradiation | |
| CN208093233U (en) | The pre- branch's flexible fire-proof cable of shock resistance type protective metal shell | |
| CN203056334U (en) | Generator wire harness assembly | |
| CN206820447U (en) | A kind of 35kV prefabricated cables transition joint | |
| CN211508502U (en) | Signal cable terminating box |
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 |