CN204886079U

CN204886079U - Fire -resistant bus duct of pottery silicon rubber

Info

Publication number: CN204886079U
Application number: CN201520570462.7U
Authority: CN
Inventors: 孙权凯; 袁华君
Original assignee: Zhenjiang Gardermoen Busbar Trunking Systems Co Ltd
Current assignee: Zhenjiang Gardermoen?Intelligent Power Technology Co., Ltd.
Priority date: 2015-08-03
Filing date: 2015-08-03
Publication date: 2015-12-16
Anticipated expiration: 2025-08-03

Abstract

The utility model discloses a fire -resistant bus duct of pottery silicon rubber. It includes the heterogeneous conductor of arranging side by side, and each phase conductor wraps up respectively outward has the insulating film coating, and the parcel has each phase conductor of insulating film coating still to wrap up respectively outward and has ceramic silicon rubber coating, and the equal seal installation of each phase conductor that the parcel has insulating bag coating and ceramic silicon rubber coating is in an interior casing, and the periphery of interior casing still is provided with the shell body, and the packing has the alumina silicate fibre felt between interior casing and the shell body. After adopting foretell structure, under the performance requirement that possesses conventional generating line power transmission and distribution safety, make it have very good insulated thermal insulating performance and sufficient fire resistance simultaneously, its structural design is ingenious reasonable simultaneously, guarantee the state of catching fire under whole bus duct sufficient insulating ability and mechanical properties have, not only fire -resistant ability is extremely strong, whole compact structure, small in size are light moreover, are suitable for the on -the -spot installation of various spaces occasion, it is all very convenient to make the installation, has guaranteed the installation quality.

Description

Ceramic silicon rubber fireproof bus duct

Technical field

The utility model relates to a kind of fireproof bus duct, specifically a kind of ceramic silicon rubber fireproof bus duct.

Background technology

Fireproof bus duct in the market has two kinds of forms substantially: wherein a kind of version, comprise heterogeneous conductor and shell, adopt white clouds master tape as the every phase conductor of wrapped with insulation, then it is heat insulation that the heterogeneous conductor periphery after parcel mica tape adopts mineral wool board to carry out parcel again, then adopt in periphery steel plate to be wrapped to form inner casing, between inner casing and shell, clog thick anti-guncotton (aluminium silicate wool); Another version, adopt poured with epoxy resin mode heterogeneous conductor to be poured into an entirety of square-section, then adopt in the periphery of poured with epoxy resin material iron nail to be coated with by PLASTIC LAMINATED thick for about 20mm to reach the object heat insulation to epoxy ester resin material.

Adopt the refractory busbar of the first version really can reach good fire resistance (general 950 DEG C of-60 ~ 90min), but whole profile is huge, weight is very large, in-site installation space is difficult to meet, often face the awkward situation that cannot install, and each joint will clog anti-guncotton when installing at the scene temporarily, not only be difficult to ensure installation quality, and comparatively serious to the pollution of site environment.

Adopt the refractory busbar profile of the second version relatively little, but because the epoxide resin material fusing point of inside lower (about 140 DEG C) is substantially without refractory ability, the PLASTIC LAMINATED that complete outer portion 20mm is thick, internal temperature still can reach 200-300 DEG C, epoxide resin material just softens and loses mechanical strength and insulating capacity, general in flame not enough half an hour namely cannot to be energized operation, be difficult to reach fire-fighting requirements; In addition, because its agent structure is casting type structure, when installing at the scene, joint area certainly will want cast-in-site, and will wrap up PLASTIC LAMINATED temporarily, installs also inconvenient.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of not only compact, refractory ability strong and good insulation preformance, compact conformation, easy installation and reliable ceramic silicon rubber fireproof bus duct.

In order to solve the problems of the technologies described above, ceramic silicon rubber fireproof bus duct of the present utility model, comprise the heterogeneous conductor be arranged side by side, each phase conductor is enclosed with dielectric film coating layer outward respectively, the each phase conductor being enclosed with dielectric film coating layer is also enclosed with ceramic silicon rubber adhesive outward respectively, the each phase conductor being enclosed with insulating coating and ceramic silicon rubber adhesive all seals and is arranged in an inner housing, the periphery of inner housing is also provided with shell body, is filled with alumina silicate fiber felt between inner housing and shell body.

Described dielectric film coating layer is polyester film.

Described inner housing has the alar part extended to inner housing both sides, and described inner housing to be fixed with the side plate of shell body by its alar part and to be connected, and is lined with aerogel blanket between described inner housing and the coupling part of shell body.

The surface spraying of described shell body has fire-retarding paint.

After adopting above-mentioned structure, due to each phase conductor being enclosed with dielectric film coating layer and ceramic silicon rubber adhesive respectively arranged, the inner housing that two-layer coating layer is arranged outward and shell body and the alumina silicate fiber felt be filled between inner and outer shell, thus under the performance requirement possessing conventional bus bar power transmission and distribution safety, make it have extraordinary insulated heat performance and enough fire resistances simultaneously, its smart structural design is reasonable simultaneously, under ensureing state of catching fire, whole bus duct has enough insulating capacities and mechanical performance, not only refractory ability is extremely strong (reaches 1150 DEG C, the refractory ability of 180 minutes), and total is compact, compact is light, be suitable for the in-site installation of various space situations, making and installation is all very convenient, ensure that installation quality.

Accompanying drawing explanation

Fig. 1 is the cross section structure schematic diagram of the utility model ceramic silicon rubber fireproof bus duct;

Fig. 2 is the perspective view of the utility model ceramic silicon rubber fireproof bus duct.

Embodiment

Below in conjunction with the drawings and specific embodiments, ceramic silicon rubber fireproof bus duct of the present utility model is described in further detail.

As shown in the figure, ceramic silicon rubber fireproof bus duct of the present utility model, comprise the heterogeneous conductor 1 be arranged side by side, each phase conductor 1 is outer is enclosed with dielectric film coating layer 2 respectively, said dielectric film coating layer 2 is preferably the stronger B level polyester film of dielectric voltage withstand ability under normal temperature, make it as each phase conductor of ground floor wrapped with insulation thus, mainly ensure the safe operation of the non-state Down Highway groove that catches fire; The each phase conductor being enclosed with dielectric film coating layer 2 is also enclosed with ceramic silicon rubber adhesive 3 outward respectively, ceramic silicon rubber adhesive 3 is ceramic silicon rubber composite belt, adopt ceramic silicon rubber composite belt to carry out each phase conductor of secondary capsulation, mainly tackle the insulation between each phase of the state Down Highway groove that catches fire; The each phase conductor being enclosed with insulating coating 2 and ceramic silicon rubber adhesive 3 all seals and is arranged in an inner housing 4, the periphery of inner housing 4 is also provided with shell body 7, alumina silicate fiber felt 5 is filled with between inner housing 4 and shell body 7, ensure that the inner direct impact that can not be subject to high temperature when catching fire, designed by such layer of structure, in the peripheral coated two layers of insulation material of conductor, the polyester film being close to conductor can ensure that conventional sense Down Highway possesses sufficiently high dielectric voltage withstand grade, safe operation; Adopt refractory insulating material-ceramic silicon rubber as the predominating insulation under fire conditions in addition, can resistance to 1300 DEG C of high temperature, and more than 500 DEG C, start sclerosis become ceramic protective layer, still there is stronger insulating capacity, thus ensure, at the state Down Highway of catching fire, there is higher insulating capacity; The alumina silicate fiber felt of simultaneously filling between inner and outer shell; make ceramic silicon rubber fireproof bus duct of the present utility model be aided with the extremely low and higher fire resistance of conductive coefficient alumina silicate fiber felt as heat-barrier material; so that the high temperature major part of peripheral about 1000 DEG C is blocked in outside; with ensure internal copper come the protection of two-layer temperature-resistant material under temperature be no more than 250 DEG C, further ensure inner insulation material and conductor and be in relative gentle environment.

Further, inner housing 4 has the alar part extended to inner housing both sides, inner housing 4 to be fixed with the side plate of shell body 7 by its alar part and to be connected, the aerogel blanket liner 6 that conductive coefficient is extremely low is lined with between the coupling part of inner housing 4 and shell body 7, thus avoid shell body by metal directly contact avoid thermal insulation layer and by external temperature conduction enter inside, the surface spraying of shell body has fire-retarding paint, to avoid flame directly to the calcination of steel plate.

Wherein, in the utility model, the concrete structure of inner housing and shell body adopts following structure, it is made to reach optimal volume, said inner housing comprises two pieces roughly in the interior plate of bathtub construction with two pieces of inside ceiling panels equally roughly in bathtub construction and inner bottom plating, two pieces of interior plate rightabouts are arranged and are made two limits up and down of two pieces of interior plates be fixedly connected on the horizontal edge portions of inside ceiling panel and inner bottom plating respectively, inside ceiling panel and inner bottom plating are arranged in rightabout equally and are made inside ceiling panel can as the connecting portion be connected with shell body with each bar side of inner bottom plating, said shell body comprises two pieces roughly in the outer panel of bathtub construction with two pieces of roof sheets equally roughly in bathtub construction and Outer Bottom Plating, two pieces of outer panel rightabouts are arranged and make to be connected to as each bar side of connecting portion in the inside ceiling panel of inner housing and inner bottom plating the vertical marginal portion of two pieces of outer panels, roof sheet and Outer Bottom Plating positioned opposite and make two limits up and down of every block outer panel be fixedly connected on the horizontal edge portions of roof sheet and Outer Bottom Plating.

Claims

1. a ceramic silicon rubber fireproof bus duct, comprise the heterogeneous conductor (1) be arranged side by side, it is characterized in that: each mutually described conductor (1) is enclosed with dielectric film coating layer (2) outward respectively, the described each phase conductor being enclosed with dielectric film coating layer (2) is also enclosed with ceramic silicon rubber adhesive (3) outward respectively, the described each phase conductor being enclosed with insulating coating (2) and ceramic silicon rubber adhesive (3) all seals and is arranged in an inner housing (4), the periphery of described inner housing (4) is also provided with shell body (7), alumina silicate fiber felt (5) is filled with between described inner housing (4) and shell body (7).

2. according to ceramic silicon rubber fireproof bus duct according to claim 1, it is characterized in that: described dielectric film coating layer (2) is polyester film.

3. according to ceramic silicon rubber fireproof bus duct according to claim 1, it is characterized in that: described inner housing (4) has the alar part extended to inner housing both sides, described inner housing (4) to be fixed with the side plate of shell body (7) by its alar part and to be connected, and is lined with aerogel blanket (6) between the coupling part of described inner housing (4) and shell body (7).

4. according to ceramic silicon rubber fireproof bus duct according to claim 1, it is characterized in that: the surface spraying of described shell body (7) has fire-retarding paint.