CN219498869U - Bus duct with good fire resistance - Google Patents

Abstract

The utility model relates to a bus duct with good fire resistance, which comprises a plurality of wire blocks, wherein each two wire blocks and one side of each of the left and right wire blocks, which are opposite, are respectively fixed with a baffle, one side of each of the left and right baffle, which is opposite, is respectively fixed with asbestos fiber, one side of each of the left and right baffle, which is opposite, is respectively attached with a riser, a protection component is arranged on each riser, two transverse plates are arranged between each two risers, a fire-resistant component is arranged on each transverse plate, each fire-resistant component comprises two first fire-resistant layers fixed on one side of each transverse plate, which is opposite, and each side of each first fire-resistant layer, which is opposite, is respectively fixed with an insulating layer. This bus duct that fire resistance is good, through the fire-resistant subassembly that sets up, by first flame retardant coating, insulating layer, high temperature resistant layer and second flame retardant coating constitute, first flame retardant coating is aluminium silicate matter, and the insulating layer is the complex film, and high temperature resistant layer is polyethersulfone, and the second flame retardant coating is polyvinyl chloride, has improved the fire protection performance to internals.

Description

Bus duct with good fire resistance

Technical Field

The utility model relates to the technical field of bus ducts, in particular to a bus duct with good fire resistance.

Background

The bus duct is a closed metal device composed of copper and aluminum bus columns and is used for distributing larger power for each element of the dispersion system. Increasingly, wires and cables have been replaced in the field of low-voltage indoor power transmission mains engineering.

For example, chinese patent (bulletin number: CN 210443982U) discloses a fire-resistant bus duct comprising: the bus duct comprises U-shaped groove bodies, heat insulation plates, wires and baffle plates, wherein the two U-shaped groove bodies are oppositely arranged, the openings of the two U-shaped groove bodies face to the outer side, a plurality of heat insulation plates are arranged between the inner side walls of the two U-shaped groove bodies, a plurality of wires are arranged between the heat insulation plates, the baffle plates are respectively arranged at the two ends of the U-shaped groove bodies, the baffle plates are connected with the U-shaped groove bodies through bolts, and the bus duct is good in fire resistance and convenient to maintain.

The fireproof bus duct has the advantages that the fireproof bus duct is not provided with fireproof materials on the outer surfaces of the baffle and the cover plate, when the outside starts to burn, the burning flame can burn the baffle and the cover plate firstly, and the fireproof performance of the baffle and the cover plate is poor, so that the protection effect on the inside is poor, and the bus duct with good fireproof performance is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the bus duct with good fire resistance, has the advantages of good fire resistance and the like, and solves the problem of poor fire resistance of the existing bus duct.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bus duct with good fire resistance comprises a plurality of wire blocks, wherein a baffle is fixed on one side of each two wire blocks, which is opposite to the left wire block, a asbestos fiber is fixed on one side of each of the left baffle and the right baffle, a riser is attached to one side of each of the two opposite sides of the asbestos fiber, a protection component is arranged on the riser, two transverse plates are arranged between the two risers, and a fire resistance component is arranged on the transverse plates;

the fire-resistant assembly comprises two first fireproof layers fixed on one sides of two transverse plates, wherein the two opposite sides of the first fireproof layers are respectively fixed with an insulating layer, the two opposite sides of the insulating layers are respectively fixed with a first high-temperature-resistant layer, and the two opposite sides of the first high-temperature-resistant layers are respectively fixed with a second fireproof layer.

Further, the first fireproof layer is aluminum silicate, and the insulating layer is a composite film.

Further, the first high temperature resistant layer is polyethersulfone, and the second fireproof layer is polyvinyl chloride.

Further, the protection component comprises two barrier layers fixed on one sides of the two vertical plates, wherein the two barrier layers are fixed on one sides of the two vertical plates, which are opposite to each other, respectively, a second high-temperature resistant layer is fixed on one side of the two barrier layers, and a third fireproof layer is fixed on one side of the two second high-temperature resistant layers, which are opposite to each other.

Further, the barrier layer is a polyester film, and the second high temperature resistant layer is polyphenylene sulfide.

Further, the third fireproof layer is made of glass fibers, and the baffle is made of aerogel felt.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this bus duct that fire resistance is good, through the fire-resistant subassembly that sets up, by first flame retardant coating, insulating layer, high temperature resistant layer and second flame retardant coating constitute, first flame retardant coating is aluminium silicate matter, and the insulating layer is the complex film, and high temperature resistant layer is polyethersulfone, and the second flame retardant coating is polyvinyl chloride, has improved the fire protection performance to internals.

2. This bus duct that fire resistance is good, through the protection component who sets up, by barrier layer, second high temperature resistant layer and third flame retardant coating constitution, the barrier layer is polyester film, and the second high temperature resistant layer is polyphenylene sulfide, and the third flame retardant coating is glass fiber, has improved the fire protection performance to internals.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the refractory assembly of the present utility model;

fig. 3 is a schematic structural view of the protection component of the present utility model.

In the figure: 1 wire block, 2 baffle, 3 asbestos fiber, 4 diaphragm, 5 refractory component, 501 first flame retardant coating, 502 insulating layer, 503 first high temperature resistant layer, 504 second flame retardant coating, 6 riser, 7 protection component, 701 barrier layer, 702 second high temperature resistant layer, 703 third flame retardant coating.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a bus duct with good fire resistance in this embodiment includes a plurality of conductive blocks 1 for conductive lines, wherein a baffle plate 2 is fixed between every two conductive blocks 1 and on one side of each of the left and right conductive blocks 1, the baffle plate 2 is an aerogel felt, the heat conductivity coefficient is low, and has certain tensile and compressive strength, asbestos fibers 3 are fixed on one side of each of the left and right baffle plates 2, heat resistance, incombustibility, water resistance, acid resistance and chemical resistance are improved, protection performance to the conductive blocks 1 is improved, vertical plates 6 are attached on one side of each of the two asbestos fibers 3, a protection component 7 is arranged on each vertical plate 6, fire resistance is improved, two transverse plates 4 are installed between the two vertical plates 6, and fire resistance components 5 are arranged on the transverse plates 4, so that fire resistance is improved.

Referring to fig. 2, in order to improve the fireproof performance, the fireproof assembly 5 in this embodiment includes two first fireproof layers 501 fixed on opposite sides of two transverse plates 4, insulating layers 502 are fixed on opposite sides of the two first fireproof layers 501, first high temperature resistant layers 503 are fixed on opposite sides of the two insulating layers 502, and second fireproof layers 504 are fixed on opposite sides of the two first high temperature resistant layers 503.

The first fireproof layer 501 is aluminum silicate, light in weight, high temperature resistant, heat stability, low in heat conductivity, small in heat capacity, good in mechanical vibration performance, good in heating and heat preservation performance and good in expansibility, the insulating layer 502 is a composite film, and has the advantages of good air tightness, moisture resistance, heat resistance, cold resistance, fragrance retention and ultraviolet resistance, the first high temperature resistant layer 503 is polyethersulfone, good heat resistance, physical and mechanical properties, insulating properties and the like, the second fireproof layer 504 is polyvinyl chloride, and has flame retardance (the flame retardance value is more than 40), high chemical resistance (concentrated hydrochloric acid resistance, sulfuric acid with concentration of 90%, nitric acid with concentration of 60% and sodium hydroxide with concentration of 20%), and good mechanical strength and electrical insulation.

The fire-resistant component 5 in this embodiment is composed of the first fire-resistant layer 501, the insulating layer 502, the first high-temperature resistant layer 503 and the second fire-resistant layer 504 through the set fire-resistant component 5, so that the fire-resistant protection performance for internal parts is improved.

Referring to fig. 3, in order to further improve fire resistance, the protection component 7 in this embodiment includes two barrier layers 701 fixed on opposite sides of two risers 6, wherein a second high temperature resistant layer 702 is fixed on opposite sides of the two barrier layers 701, and a third fire resistant layer 703 is fixed on opposite sides of the two second high temperature resistant layers 702.

Wherein, the barrier layer 701 is a polyester film, and has the advantages of excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature resistance, low temperature resistance, good chemical resistance and oil resistance, the second high temperature resistant layer 702 is polyphenylene sulfide, and the third fireproof layer 703 is glass fiber, and has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame resistance, good thermal stability, excellent electrical property and the like, and has good insulation property, high heat resistance, good corrosion resistance, and high mechanical strength.

The protection component 7 in this embodiment is composed of the barrier layer 701, the second high temperature resistant layer 702 and the third fireproof layer 703 through the protection component 7 provided, so that the fireproof protection performance for the internal parts is improved.

The working principle of the embodiment is as follows:

(1) The fireproof assembly 5 comprises the first fireproof layer 501, the insulating layer 502, the first high-temperature-resistant layer 503 and the second fireproof layer 504, wherein the first fireproof layer 501 is made of aluminum silicate, and has the advantages of light weight, high temperature resistance, thermal stability, low heat conductivity, small heat capacity, good mechanical vibration property, heating and heat preservation performance and good expansibility, the insulating layer 502 is a composite film, good air tightness, moisture resistance and heat resistance, cold resistance, fragrance preservation performance and ultraviolet resistance, the first high-temperature-resistant layer 503 is made of polyethersulfone, excellent heat resistance, physical and mechanical properties, insulating properties and the like, the second fireproof layer 504 is made of polyvinyl chloride, has flame retardance (flame retardant value is more than 40), high chemical resistance (concentrated hydrochloric acid resistance, sulfuric acid with concentration of 90%, nitric acid with concentration of 60% and sodium hydroxide with concentration of 20%), and good mechanical strength and electrical insulation, and fireproof protection performance on internal parts is improved.

(2) Through the protection component 7 that sets up, by barrier layer 701, second high temperature resistant layer 702 and third flame retardant coating 703 constitute, barrier layer 701 is polyester film, mechanical properties is good, rigidity, hardness and toughness are high, resistant puncture, the antifriction, high temperature and low temperature, chemical resistance, oil resistance are good, second high temperature resistant layer 702 is polyphenylene sulfide, mechanical strength is high, high temperature resistant, chemical resistance, fire-retardant, thermal stability is good, electrical property advantage such as good, third flame retardant coating 703 is glass fiber, insulativity is good, the heat resistance is strong, corrosion resistance is good, mechanical strength is high, the fire prevention protection performance to the internals has been improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bus duct that fire resistance is good, includes a plurality of wire pieces (1), its characterized in that: baffle plates (2) are fixed between every two wire blocks (1) and on one side of each wire block (1) with the left side and the right side opposite to each other, asbestos fibers (3) are fixed on one side of each baffle plate (2) with the left side and the right side opposite to each other, vertical plates (6) are attached to one side of each asbestos fiber (3) with the back side opposite to each other, a protection component (7) is arranged on each vertical plate (6), two transverse plates (4) are arranged between the two vertical plates (6), and a fireproof component (5) is arranged on each transverse plate (4);

the fire-resistant assembly (5) comprises two first fireproof layers (501) fixed on one sides of two transverse plates (4) opposite to each other, insulating layers (502) are fixed on one sides of the two first fireproof layers (501) opposite to each other, first high-temperature resistant layers (503) are fixed on one sides of the two insulating layers (502) opposite to each other, and second fireproof layers (504) are fixed on one sides of the two first high-temperature resistant layers (503) opposite to each other.

2. The bus duct with good fire resistance of claim 1, wherein: the first fireproof layer (501) is made of aluminum silicate, and the insulating layer (502) is a composite film.

3. The bus duct with good fire resistance of claim 1, wherein: the first high temperature resistant layer (503) is polyethersulfone, and the second fireproof layer (504) is polyvinyl chloride.

4. The bus duct with good fire resistance of claim 1, wherein: the protection assembly (7) comprises two blocking layers (701) fixed on one sides of the two vertical plates (6) opposite to each other, wherein the second high-temperature resistant layers (702) are fixed on one sides of the two blocking layers (701) opposite to each other, and the third fireproof layers (703) are fixed on the opposite sides of the two second high-temperature resistant layers (702).

5. The bus duct with good fire resistance of claim 4, wherein: the barrier layer (701) is a polyester film, and the second high temperature resistant layer (702) is polyphenylene sulfide.

6. The bus duct with good fire resistance of claim 4, wherein: the third fireproof layer (703) is made of glass fibers, and the baffle (2) is made of aerogel felt.