Online monitoring dry type cable terminal with composite external casing and on-site assembling method thereof

A cable terminal and dry composite technology, which is applied in the installation of cable terminals, cable accessories, cables, etc., can solve the problems of inability to monitor the quality of online operation, the verticality of the product cannot be guaranteed, and the product is easy to sway with the wind. Achieve the effects of shortening the maintenance time of power outages, excellent water repellency, and saving time for troubleshooting

Active Publication Date: 2011-10-05
上海永锦电气技术股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of cable terminal is flexible and can overcome the problems of terminal rupture and oil leakage, but it is inconvenient to fix after installation, and the product is easy to swing with the wind in windy weather
This kind of cable termin

Method used

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  • Online monitoring dry type cable terminal with composite external casing and on-site assembling method thereof
  • Online monitoring dry type cable terminal with composite external casing and on-site assembling method thereof
  • Online monitoring dry type cable terminal with composite external casing and on-site assembling method thereof

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Embodiment Construction

[0026] As shown in the figure, the structure of the cable terminal for on-line monitoring of the present invention includes an aluminum alloy base 1, an aluminum alloy shield 7, a silicon rubber stress cone 3, a silicon rubber sleeve 5, and a cable 4. The base 1 and the shielding cover 7 are arranged on both ends of the sleeve 5 , the end of the cable 4 is inserted into the sleeve 5 , the stress cone 3 is located in the sleeve 5 , and the stress cone 3 is sleeved on the cable 4 at the same time. Vulcanized silicone rubber 11 liquid with a viscosity between 1,500 and 1,500,000 centistokes is poured into the interval between the cable 4 and the casing 5, and the vulcanized silicone rubber 11 can connect the base 1, the cable 4 and the casing 5 after curing. together to form a dry cable termination.

[0027]An installation space is reserved when the stress cone 3 is manufactured, and a fiber grating sensor 16 that can detect and transmit the temperature information of the stress ...

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Abstract

The invention discloses an online monitoring dry type cable terminal with a composite external casing and an on-site assembling method thereof. The assembling method comprises the following steps of: making the end part of a cable pass through a base and sectioning the external layer of a cable core; assembling an outlet hardware at the end part of the cable core, and sleeving a silicon rubber stress cone on a cut-off position of main insulation and external shielding of the cable; assembling a photoelectric grating sensor in a preset installation space of the stress cone, and making a transmission optical fiber, connected with the photoelectric grating sensor, pass through the base and stretch to the external side of the cable terminal; enabling the end part of the cable to be penetratedin the silicon rubber casing and the stress cone to be located in the cashing, and filling vulcanized silicone rubber with viscosity of 1,500-1500,000 centistokes into a gap between the cable and thecasing; after the surface of the liquid vulcanized silicone rubber is cured, assembling a cover plate and a shielding hood. After the liquid vulcanized silicone rubber is cured completely, the cover plate and the shielding hood are assembled, and the outlet hardware and the wiring hardware are assembled at the core end part, the dry type cable terminal is formed.

Description

technical field [0001] The invention relates to a dry-type composite outer sleeve cable terminal, in particular to a dry-type cable terminal with a silicone rubber composite outer sleeve with an umbrella skirt and an on-site assembly method thereof. Background technique [0002] The construction of smart grid is the current national strategy. During the 12th Five-Year Plan, the National Grid plans to invest 2 trillion yuan to build a smart grid. During the 13th Five-Year Plan, the State Grid will also invest 1.7 trillion yuan to build a smart grid, and finally realize a strong smart grid. [0003] The construction of smart grid requires high-voltage, large-length, large-section, and high-reliability cross-linked cables as the basis, and the development of cable terminals is closely related to the development of cross-linked cables. High-voltage cross-linked cables need to be connected to various electrical equipment through various terminals. The traditional variety of outd...

Claims

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Application Information

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IPC IPC(8): H02G15/06H02G15/068H02G15/064
Inventor 陈永仁柯德刚王体才孙建荣施维信
Owner 上海永锦电气技术股份有限公司
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