CN202434217U - High-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable - Google Patents
High-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable Download PDFInfo
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- CN202434217U CN202434217U CN2011202918024U CN201120291802U CN202434217U CN 202434217 U CN202434217 U CN 202434217U CN 2011202918024 U CN2011202918024 U CN 2011202918024U CN 201120291802 U CN201120291802 U CN 201120291802U CN 202434217 U CN202434217 U CN 202434217U
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Abstract
The utility model provides a high-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable including a main cable conductor and a branch cable conductor. Each of the main cable conductor and the branch cable conductor is covered with a silicon rubber insulating layer and a silicon rubber outer protecting sheath successively. A talcum powder spraying layer and wrapping non-woven fabrics are arranged between the silicon rubber insulating layer and the silicon rubber outer protecting sheath. The silicon rubber outer protecting sheath and the silicon rubber insulating layer are peeled respectively on the joint of the main cable conductor and the branch cable conductor. The joint of the main cable conductor and the branch cable conductor is pressed through a C-shaped clamp having a protruding ridge. A connector silicon rubber insulating layer is arranged outside the joint of the main cable conductor and the branch cable conductor through mold pressing and injection molding. Connector non-woven fabrics wrap the connector silicon rubber insulating layer. A connector silicon rubber outer protecting layer is arranged outside the connector non-woven fabrics through mold pressing and injection molding. The high-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable provided by the utility model is completely suitable for using in a working environment having a temperature higher than 100 DEG C or having high humidity for a long term.
Description
Technical field
The utility model relates to a kind of cable, refers in particular to a kind of prefabricated branch flexible cable.
Background technology
Paying branch cable in advance is meant by prefabrication and becomes complete continuous cable assembly; In main cable regulation position and requirement thereof; With the conductor of main cable and branch cable, connect through copper or copper alloy tube compression, and carry out complete insulation processing (JB/T 10636-2006).The branch cable structure mainly is divided into two kinds, and a kind of is single core prefabricated branch cable, and another kind is the multicore prefabricated branch cable, and its extensively suitable skyscraper, large-scale standardization factory building, comprehensive culture and education body are defended facility, highway, bridge and tunnel.Branch cable is made the main reference standard at present has Japanese electric wire industry meeting standard JCS 376A-2002 " band branch cable ", JCS 427-2000 " 600v environment-friendly type band branch cable ", JG/T 147-2002 " the prefabricated branch of rated voltage 0.6/1kV copper core plastic insulation power cable " and JB/T 10636-2006 " rated voltage 0.6/1kV (Um=1.2kV) copper core plastic insulation prefabricated branch cable ".The main cable of above standard code and the insulation of branch cable are polyvinyl chloride insulation and crosslinked polyetylene insulated; Sheath material is essentially pvc sheath, polyolefin jacket, and has basically all stipulated immersion voltage test or the sparking test and the insulation resistance test of branch's connector of finished product branch cable.Polyvinyl chloride is a thermoplastic, and its working temperature is essentially 65 or 70 ℃, and very easily suction; Suction can cause polyvinyl chloride insulation resistance sharply to reduce; And crosslinked polyethylene is as thermosets, and its working temperature increases, but also is merely 90 ℃; The insulation of main cable and branch cable certainly exists the interface in the connector, is unwell to long-term immersion, buried or high moist environment use.Obviously.For the operational environment or the long-term wet environment that surpass 100 ℃, no matter existing branch cable is immersion withstand voltage test or megger test all seems unable to do what one wishes or powerless at all.
Summary of the invention
The purpose of the utility model is to provide the prefabricated branch of a kind of anti-high humidity high temperature silicon rubber flexible cable, and it is applicable to operational environment or the long-term wet environment that surpasses 100 ℃ fully.
For achieving the above object; The solution that the invention is taked is: the prefabricated branch of a kind of anti-high humidity high temperature silicon rubber flexible cable; It comprises main cable conductor and branch cable conductor; The main cable conductor is followed successively by main cable silicone rubber insulation layer, main cable silicon rubber oversheath outward; The branch cable conductor is followed successively by branch cable silicone rubber insulation layer, branch cable silicon rubber oversheath outward; There is talcum powder to be coated with between main cable silicone rubber insulation layer and the main cable silicon rubber oversheath and spreads layer and wrapped main cable nonwoven fabrics; There is talcum powder to be coated with between branch cable silicone rubber insulation layer and the branch cable silicon rubber oversheath and spreads layer and wrapped branch cable nonwoven fabrics; Main cable conductor and branch cable conductor junction are peeled off main cable silicon rubber oversheath, trunk silicone rubber insulation layer and branch cable silicon rubber oversheath, branch's silicone rubber insulation layer respectively, and main cable conductor and branch cable conductor junction connect through the C type cramping of band convex ridge, and mold pressing is injected with the connector silicone rubber insulation layer outside main cable conductor and the branch cable conductor junction; The outer wrapped connector nonwoven fabrics of connector silicone rubber insulation layer, the outer mold pressing of connector nonwoven fabrics is injected with connector silicon rubber outer jacket.
The prefabricated branch of the anti-high humidity high temperature silicon of this kind rubber flexible cable is applicable to operational environment or the long-term wet environment that surpasses 100 ℃ fully.
Description of drawings
Fig. 1 is the structural representation of present embodiment.
Among the figure: 1, main cable conductor, 2, the main cable silicone rubber insulation layer, 3, main cable silicon rubber oversheath; 4, connector nonwoven fabrics, 5, the connector silicone rubber insulation layer, 6, C type folder; 7, connector silicon rubber outer jacket, 8, branch cable silicon rubber oversheath, 9, the branch cable nonwoven fabrics; 10, branch cable silicone rubber insulation layer, 11, the branch cable conductor, 12, the main cable nonwoven fabrics.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Referring to Fig. 1; The prefabricated branch of a kind of anti-high humidity high temperature silicon rubber flexible cable; It comprises main cable conductor 1 and branch cable conductor 11; Main cable conductor 1 outer main cable silicone rubber insulation layer 2, the main cable silicon rubber oversheath 3 of being followed successively by; Branch cable conductor 11 outer branch cable silicone rubber insulation layer 10, the branch cable silicon rubber oversheaths 8 of being followed successively by; There is talcum powder to be coated with between main cable silicone rubber insulation layer 2 and the main cable silicon rubber oversheath 3 and spreads layer and wrapped main cable nonwoven fabrics 12; There is talcum powder to be coated with between branch cable silicone rubber insulation layer 10 and the branch cable silicon rubber oversheath 8 and spreads layer and wrapped branch cable nonwoven fabrics 9; Main cable conductor 1 is peeled off main cable silicon rubber oversheath 3, trunk silicone rubber insulation layer 2 and branch cable silicon rubber oversheath 8, branch's silicone rubber insulation layer 10 respectively with branch cable conductor 11 junctions, and main cable conductor 1 presss from both sides 6 crimping with branch cable conductor 11 junctions through the C type of being with convex ridge, and mold pressing is injected with connector silicone rubber insulation layer 7 outside main cable conductor 1 and branch cable conductor 11 junctions; Connector silicone rubber insulation layer 7 outer wrapped connector nonwoven fabrics 4, the 4 outer mold pressings of connector nonwoven fabrics are injected with connector silicon rubber outer jacket 7.
Referring to Fig. 1; Silicon rubber is the two phenyl flame retardant type silicon rubber of methyl; Produce this type of qualified prefabricated branch flexible cable; Must strictness accomplish following some: (1) because the room temperature vulcanized silicone rubber cure time is shorter, so produce main cable, branch cable and make the prefabricated branch cable time and must strictly control.The connector silicone rubber insulation layer 5 that must guarantee the mold pressing injection moulding before the mold pressing does not vulcanize with main cable silicone rubber insulation layer 2 and branch cable silicone rubber insulation layer 10, does not form the interface.(2) because temperature effect is very big to room temperature silicon rubber vulcanization speed; Must adopt an effective measure on the one hand and guarantee before the connector mold pressing, must control the production temperature and be lower than curing temperature; On the other hand; Guaranteeing under the mechanical performance prerequisite,, prolonging cure time as far as possible vulcanizing agent in the room temperature vulcanized silicone rubber and the strict control of accelerator dosage.(3) for avoiding the adhesion of insulating barrier and restrictive coating; In the production real process of main cable and branch cable; Insulating barrier is coated with outward and spreads talcum powder and wrapped branch cable nonwoven fabrics 9 and main cable nonwoven fabrics 12; Avoid vulcanizing back insulating barrier and restrictive coating adhesion, same connector silicone rubber insulation layer 5 outer wrapped connector nonwoven fabrics 4 are avoided connector silicone rubber insulation layer 5 and 7 adhesions of connector silicon rubber outer jacket.(4) because silicon rubber itself is comparatively soft, so main cable conductor 1 all adopts the 5th, six type of conductor with branch cable conductor 11.(5) because silicon rubber branch cable oversheath mechanical performance is effective, take effective protection measure and strict science installation in production and the follow-up work progress.
Claims (1)
1. the prefabricated branch of anti-high humidity high temperature silicon rubber flexible cable; It comprises main cable conductor (1) and branch cable conductor (11); It is characterized in that: outer main cable silicone rubber insulation layer (2), the main cable silicon rubber oversheath (3) of being followed successively by of main cable conductor (1); Outer branch cable silicone rubber insulation layer (10), the branch cable silicon rubber oversheath (8) of being followed successively by of branch cable conductor (11); There is talcum powder to be coated with between main cable silicone rubber insulation layer (2) and the main cable silicon rubber oversheath (3) and spreads layer and wrapped main cable nonwoven fabrics (12); There is talcum powder to be coated with between branch cable silicone rubber insulation layer (10) and the branch cable silicon rubber oversheath (8) and spreads layer and wrapped branch cable nonwoven fabrics (9); Main cable conductor (1) is peeled off main cable silicon rubber oversheath (3), trunk silicone rubber insulation layer (2) and branch cable silicon rubber oversheath (8), branch's silicone rubber insulation layer (10) respectively with branch cable conductor (11) junction; Main cable conductor (1) and C type folder (6) crimping of branch cable conductor (11) junction through the band convex ridge; Mold pressing is injected with connector silicone rubber insulation layer (7) outside main cable conductor (1) and branch cable conductor (11) junction, the outer wrapped connector nonwoven fabrics (4) of connector silicone rubber insulation layer (7), and the outer mold pressing of connector nonwoven fabrics (4) is injected with connector silicon rubber outer jacket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202918024U CN202434217U (en) | 2011-08-09 | 2011-08-09 | High-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202918024U CN202434217U (en) | 2011-08-09 | 2011-08-09 | High-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202434217U true CN202434217U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202918024U Expired - Fee Related CN202434217U (en) | 2011-08-09 | 2011-08-09 | High-humidity and high-temperature resisting silicon rubber prefabricated branch flexible cable |
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| CN (1) | CN202434217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985436A (en) * | 2014-05-04 | 2014-08-13 | 南安市国高建材科技有限公司 | Environment-friendly clean prefabricated branch cable and manufacturing method thereof |
| CN104009424A (en) * | 2012-11-27 | 2014-08-27 | 住友电装株式会社 | Wire harness and method of manufacturing wire harness |
| CN107393637A (en) * | 2017-08-02 | 2017-11-24 | 浙江运达风电股份有限公司 | A kind of wind-powered electricity generation high temperature-resistant cable and its manufacture craft |
-
2011
- 2011-08-09 CN CN2011202918024U patent/CN202434217U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009424A (en) * | 2012-11-27 | 2014-08-27 | 住友电装株式会社 | Wire harness and method of manufacturing wire harness |
| CN103985436A (en) * | 2014-05-04 | 2014-08-13 | 南安市国高建材科技有限公司 | Environment-friendly clean prefabricated branch cable and manufacturing method thereof |
| CN107393637A (en) * | 2017-08-02 | 2017-11-24 | 浙江运达风电股份有限公司 | A kind of wind-powered electricity generation high temperature-resistant cable and its manufacture craft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180621 Granted publication date: 20120912 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181221 Granted publication date: 20120912 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20180809 |