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Fireproof bus groove and preparation process thereof

A technology of fire-resistant busway and busway, which is applied in the installation of busway, epoxy resin glue, adhesive type, etc., which can solve the problems of shortened service life of busway, poor temperature resistance of insulating partitions, and reduced work efficiency , to achieve the effect of prolonging service life, good fire performance and simple structure

Pending Publication Date: 2018-01-12
ZHENJIANG YIBAO ELECTRICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The components of the busway include insulating supports, mounting plates, mounting frames, casings, doors, cover plates, side plates, insulating partitions, live parts, exposed conductive parts, and protective conductors. Direct contact in all directions and protection from arcs from switching devices and similar devices is a component that is currently used for insulation partitions with poor temperature resistance, poor insulation, poor strength, and short service life. The service life is shortened, the cost is increased, and the work efficiency is reduced. Therefore, it is a technical problem to be solved urgently by those skilled in the art to develop a kind of insulating partition for busway that can overcome the above defects.

Method used

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  • Fireproof bus groove and preparation process thereof
  • Fireproof bus groove and preparation process thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0053] A fire-resistant bus duct provided in this embodiment has a structure such as Figure 1-2 As shown, an insulating partition is used in the busway, and the insulating partition is arranged between adjacent conductive sheets. The insulating partition is slid and set in the chute of the busway through the sliding seat at the bottom of the insulating partition. The insulating partition includes Make the upper partition and the lower partition of the same material, wherein:

[0054] The layered materials of the upper partition and the lower partition are the same, mainly including the main base material layer 1 and the glass fiber cloth layer 2. The main base material layer 1 is set up and down to form a hollow structural main board. Fiber cloth layer 2, the glass fiber cloth layer 2 placed on the upper side of the main body base material layer 2 is provided with an inorganic layer 3, and the glass fiber cloth layer 2 placed on the lower side of the main body base material l...

Embodiment 2

[0061] This embodiment provides the preparation process of the refractory bus duct in Example 1, wherein the preparation process of the insulating partition specifically includes the following steps:

[0062] (1) Preparation of water-based epoxy insulating adhesive, the specific steps are:

[0063] a. Synthesis of waterborne epoxy resin: put bisphenol A epoxy resin and propylene glycol methyl ether into a 500ml four-neck flask with agitator, reflux condenser, constant pressure dropping funnel and thermometer, then add 80% Polyethylene glycol and 25% anhydride, in N 2 Under protection, heat to 150°C, react for 1 hour, then cool down to 100°C, add all the remaining polyethylene glycol and acid anhydride, raise the temperature to 140°C and stir for 10 minutes, then add the neutralizing agent trialkylolamine, stir for 20 minutes and adjust the pH The value is 7, finally add deionized water, control the temperature at 35°C, stir for 30min and discharge to obtain water-based epoxy ...

Embodiment 3

[0080] This embodiment provides the preparation process of the refractory bus duct in Example 1, wherein the preparation process of the insulating partition specifically includes the following steps:

[0081] (1) Preparation of water-based epoxy insulating adhesive, the specific steps are:

[0082]a. Synthesis of waterborne epoxy resin: put bisphenol A epoxy resin and propylene glycol methyl ether into a 500ml four-neck flask with agitator, reflux condenser, constant pressure dropping funnel and thermometer, then add 80% Polyethylene glycol and 25% anhydride, in N 2 Under protection, heat to 170°C, react for 3 hours, cool down to 110°C, add all the remaining polyethylene glycol and acid anhydride, raise the temperature to 160°C and stir for 13 minutes, then add the neutralizing agent trialkylolamine, stir for 20-30 minutes and Adjust the pH value to 8, finally add deionized water, control the temperature at 50°C, stir for 50 minutes and discharge to obtain a water-based epoxy...

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PUM

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Abstract

The invention discloses a fireproof bus groove. An insulating partition is adopted in the bus groove, arranged between adjacent conductive pieces and slidably arranged in a sliding groove of the bus groove through a sliding seat at the bottom end of the insulating partition, the insulating partition comprises an upper partition and a lower partition which are made of an identical material, the sliding seat is arranged in the sliding groove and composed of a base and a sliding rod arranged in the base matched with the sliding groove, an external thread is arranged on the sliding rod and matchedwith an internal thread in a fixing hole, and the upper partition and the lower partition are arranged on the sliding seat through the fixing hole to realize connection with the sliding groove. The invention further discloses a preparation process of the fireproof bus groove. The preparation process is simple and easy to implement and low in preparation cost, the insulating partition prepared bythe process is convenient to mount and demount and more conducive to maintenance and time and cost saving.

Description

technical field [0001] The invention relates to a bus duct and a preparation process thereof, in particular to a fire-resistant bus duct and a preparation process thereof, and belongs to the technical field of bus duct improvement. Background technique [0002] Modern high-rise buildings and large workshops require huge electric energy, and in the face of the huge loads that require hundreds of thousands of amperes of strong current, safe and reliable conduction equipment must be selected. The busbar system is a good choice. The busway system is A power distribution device for high-efficiency transmission of current, especially adapted to the needs of economical and reasonable wiring of increasingly taller buildings and large-scale factories; the bus duct uses copper or aluminum as a conductor, is supported by non-olefin insulation, and then installed The new type of conductor formed in the metal groove has become an indispensable wiring method in high-rise buildings, factor...

Claims

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Application Information

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IPC IPC(8): H02G5/00C09J11/04C09J11/08C09J163/00B32B7/12B32B5/02B32B5/26B32B17/04B32B17/12B32B17/06B32B3/04B32B33/00B32B9/00B32B9/04
Inventor 姚军
Owner ZHENJIANG YIBAO ELECTRICAL TECH CO LTD
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