CN104505789A - NHMCX-type fire-resistant bus duct - Google Patents
NHMCX-type fire-resistant bus duct Download PDFInfo
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- CN104505789A CN104505789A CN201410791230.4A CN201410791230A CN104505789A CN 104505789 A CN104505789 A CN 104505789A CN 201410791230 A CN201410791230 A CN 201410791230A CN 104505789 A CN104505789 A CN 104505789A
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- bus duct
- bus
- insulated support
- cavity
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Abstract
The invention discloses an NHMCX-type fire-resistant bus duct, which comprises a top plate, a bottom plate and side plates; insulating support parts are arranged in the bus duct, and are symmetrically arranged top and bottom; two ends of each insulating support part are respectively connected with the side plates of the bus duct; each insulating support part comprises a plurality of heat-resistant insulating spacers; a fire-resistant coating is arranged on the outside of each heat-resistant insulating spacer; a square groove is formed between every two heat-resistant insulating spacers; the top part and the bottom part of each bus are clamped in the corresponding top and bottom square grooves; the insulating support parts are fixedly connected in a manner that heat-resistant alloy core-through bolts transversely penetrate through the insulating support parts and the side plates of the bus duct; the top plate, the side plates and the top insulating support parts form a top cavity; the bottom plate, the side plates and the bottom insulating support parts form a bottom cavity; the leads, the top insulating support parts, the bottom insulating support parts and the side plates form a left cavity and a right cavity; macromolecule fire-resistant filling fills in the top cavity, the bottom cavity, the left cavity and the right cavity. The NHMCX-type fire-resistant bus duct is compact in appearance, small in size, low impedance, low in voltage drop, high in fire resistance and high in dynamic thermal stability.
Description
Technical field
The present invention relates to a kind of bus duct, be specifically related to a kind of NHMCX type fireproof bus duct.
Background technology
In order to the needs of the high-current low-voltage transmission line in satisfied industry, civil engineering construction, power distribution design all adopts bus duct mains system, continuing to increase in recent years along with electric line capacity, and bus duct mains system is widely applied in engineering.Tradition fire resistant busbar is coated with fireproof paint outward by steel shell, the anti-guncotton of liner and support composition.In skyscraper and critical facility, there is certain limitation.
Summary of the invention
The object of the invention is to the defect overcoming prior art, provide a kind of NHMCX type fireproof bus duct, bus duct, its compact appearance, volume is little, and have that impedance is low, voltage reduces, fire resistance is excellent, dynamic thermal stability is good.
For achieving the above object, the present invention adopts a kind of NHMCX type fireproof bus duct, comprise top board, base plate and side plate, be provided with bus in described bus duct, it is characterized in that, described top board and base plate both sides are provided with protection flanging, described bus duct inside is provided with insulated support, and described insulated support quantity is two, in being symmetrical arranged up and down;
Described insulated support two ends connection bus groove side plate, described insulated support comprises multiple high-temperature insulation cushion block, is provided with fire resistant coating outside described high-temperature insulation cushion block; Be provided with square groove between described high-temperature insulation cushion block and high-temperature insulation cushion block, described square groove is in being symmetrical arranged up and down, and bus top and bottom is clamped in upper and lower connected in star, is fixed on bus duct inside by the clamping of square groove; Described insulated support laterally runs through insulated support by high-temperature alloy punching bolt and busbar side board realizes being connected and fixed;
Described top board, side plate and upper insulated support form upper plenum, described base plate, side plate and lower insulated support form lower cavity, described bus and upper and lower insulated support and side plate form left and right cavity, are filled with macromolecule back-fire relief filler in the cavity of described upper and lower, left and right; Described bus duct outer surface is provided with the fireprotection layer be made up of fireproof paint.
Above-mentioned a kind of NHMCX type fireproof bus duct, wherein, be provided with insulating barrier outside described bus, described insulating barrier comprises polyester film and teflon oriented film from inside to outside.
Above-mentioned a kind of NHMCX type fireproof bus duct, wherein, described bus duct top board and base plate realize fixing by bolt.
Beneficial effect:
1, adopt rational air to add the structural design of back-fire relief filler duplicate protection, bus duct compact appearance, volume is little, and bus-bar system has the advantage that impedance is low, voltage reduces, dynamic thermal stability is good.
2, shell adopts heat resistant type stainless steel material mixing composition.Its upper and lower cover plates and two side plates and insulated support form hollow structure, innerly inject macromolecule back-fire relief filler, effectively stop high temperature and naked light directly to enter bus duct inside by tight hollow.Bus duct case surface fireprotection layer makes that bus slot number is high temperature resistant reaches 1800 degree, when meeting fire, coating can rapidly with geometry speed in bus superficial expansion, form fine and close carbonization thermal insulation layer, the airtight all gaps of bus duct shell, prevent high temperature from directly entering bus inside.
3, insulated support adopts special-purpose fire-resistant type insulation assembly, its connecting bolt all adopts high-temperature alloy steel bolt, stable connection, effectively fixing by insulated support, can make bus firmly be fixed on bus duct inside, not easily rock, even if meet fire also can ensure bus not run-off the straight, avoid burning things which may cause a fire disaster transmission, increase bus stability, it is reliable convenient to connect, and security performance is high.
4, bus-bars conductor insulation adopts polyester film and the high temperature resistant and oriented film of high-insulation, greatly can improve insulation property, ensures result of use.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention.
Fig. 2 is bus cutaway view of the present invention.
Fig. 3 is bus groove case cutaway view.
Embodiment
As shown in the figure, be specifically related to a kind of NHMCX type fireproof bus duct, comprise top board 1, base plate 2 and side plate 3, be provided with bus 4 in described bus duct 11, it is characterized in that, described top board 1 is provided with base plate 2 both sides and protects flanging 5, described bus duct 11 inside is provided with insulated support 6, and described insulated support 6 quantity is two, in being symmetrical arranged up and down;
Described insulated support 6 two ends connection bus groove side plate 3, described insulated support 3 comprises multiple high-temperature insulation cushion block 61, and 61 pieces, described high-temperature insulation pad is provided with fire resistant coating outward; Square groove 62 is provided with between described high-temperature insulation cushion block 61 and high-temperature insulation cushion block 61, described square groove 62 is in being symmetrical arranged up and down, bus 4 top and bottom to be clamped in upper and lower connected in star 62, is fixed on bus duct 11 inner by the clamping of square groove 62; Described insulated support 6 laterally runs through insulated support 6 by high-temperature alloy punching bolt 7 and realizes being connected and fixed with busbar side board 3;
Described top board 1, side plate 2 form upper plenum 81 with upper insulated support 6, described base plate 2, side plate 3 and lower insulated support 6 form lower cavity 82, described bus 4 forms left and right cavity 83,84 with upper and lower insulated support 6 and side plate 3, is filled with macromolecule back-fire relief filler 9 in described upper and lower, left and right cavity 81,82,83,84; Described bus duct 11 outer surface is provided with the fireprotection layer 10 be made up of fireproof paint.
Above-mentioned a kind of NHMCX type fireproof bus duct, wherein, is provided with insulating barrier 12 outside described bus 4, and described insulating barrier 12 comprises polyester film 121 and teflon oriented film 122 from inside to outside.
Above-mentioned a kind of NHMCX type fireproof bus duct, wherein, described bus duct top board 1 realizes fixing with base plate 2 by bolt 13.
Beneficial effect: adopt rational air to add the structural design of back-fire relief filler duplicate protection, bus duct compact appearance, volume is little, bus-bar system has the advantage that impedance is low, voltage reduces, dynamic thermal stability is good.Shell adopts heat resistant type stainless steel material mixing composition.Its upper and lower cover plates and two side plates and insulated support form hollow structure, innerly inject macromolecule back-fire relief filler, effectively stop high temperature and naked light directly to enter bus duct inside by tight hollow.Bus duct case surface fireprotection layer makes that bus slot number is high temperature resistant reaches 1800 degree, when meeting fire, coating can rapidly with geometry speed in bus superficial expansion, form fine and close carbonization thermal insulation layer, the airtight all gaps of bus duct shell, prevent high temperature from directly entering bus inside.Insulated support adopts special-purpose fire-resistant type insulation assembly, its connecting bolt all adopts high-temperature alloy steel bolt, stable connection, effectively fixing by insulated support, can make bus firmly be fixed on bus duct inside, not easily rock, even if meet fire also can ensure bus not run-off the straight, avoid burning things which may cause a fire disaster transmission, increase bus stability, it is reliable convenient to connect, and security performance is high.Bus-bars conductor insulation adopts polyester film and the high temperature resistant and oriented film of high-insulation, greatly can improve insulation property, ensures result of use.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (3)
1. a NHMCX type fireproof bus duct, comprises top board, base plate and side plate, be provided with bus in described bus duct, it is characterized in that, described top board and base plate both sides are provided with protection flanging, described bus duct inside is provided with insulated support, and described insulated support quantity is two, in being symmetrical arranged up and down;
Described insulated support two ends connection bus groove side plate, described insulated support comprises multiple high-temperature insulation cushion block, is provided with fire resistant coating outside described high-temperature insulation cushion block; Be provided with square groove between described high-temperature insulation cushion block and high-temperature insulation cushion block, described square groove is in being symmetrical arranged up and down, and bus top and bottom is clamped in upper and lower connected in star, is fixed on bus duct inside by the clamping of square groove; Described insulated support laterally runs through insulated support by high-temperature alloy punching bolt and busbar side board realizes being connected and fixed;
Described top board, side plate and upper insulated support form upper plenum, described base plate, side plate and lower insulated support form lower cavity, described bus and upper and lower insulated support and side plate form left and right cavity, are filled with macromolecule back-fire relief filler in the cavity of described upper and lower, left and right; Described bus duct outer surface is provided with the fireprotection layer be made up of fireproof paint.
2. a kind of NHMCX type fireproof bus duct as claimed in claim 1, it is characterized in that, be provided with insulating barrier outside described bus, described insulating barrier comprises polyester film and teflon oriented film from inside to outside.
3. a kind of NHMCX type fireproof bus duct as claimed in claim 1, is characterized in that, described bus duct top board and base plate realize fixing by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791230.4A CN104505789A (en) | 2014-12-19 | 2014-12-19 | NHMCX-type fire-resistant bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791230.4A CN104505789A (en) | 2014-12-19 | 2014-12-19 | NHMCX-type fire-resistant bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104505789A true CN104505789A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410791230.4A Pending CN104505789A (en) | 2014-12-19 | 2014-12-19 | NHMCX-type fire-resistant bus duct |
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| Country | Link |
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| CN (1) | CN104505789A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186420A (en) * | 2015-11-11 | 2015-12-23 | 江苏银佳企业集团有限公司 | Flame-retardant bus duct |
| CN105932621A (en) * | 2016-06-02 | 2016-09-07 | 江苏大浪电气制造有限公司 | High-strength bus groove convenient to assemble and disassemble |
| CN107177864A (en) * | 2017-07-03 | 2017-09-19 | 扬州润友复合材料有限公司 | It is a kind of to be intended to protection electrolytic bath bottom bus, the device for preventing bus to be thrust |
| CN107579500A (en) * | 2017-10-25 | 2018-01-12 | 江苏昊昱科技咨询有限公司 | A kind of fireproof bus duct |
| CN107994525A (en) * | 2017-12-22 | 2018-05-04 | 江苏华强电力设备有限公司 | High-strength refractory bus duct |
| CN109936099A (en) * | 2017-12-16 | 2019-06-25 | 众联兴电力科技股份有限公司 | A kind of fireproof bus duct |
-
2014
- 2014-12-19 CN CN201410791230.4A patent/CN104505789A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186420A (en) * | 2015-11-11 | 2015-12-23 | 江苏银佳企业集团有限公司 | Flame-retardant bus duct |
| CN105932621A (en) * | 2016-06-02 | 2016-09-07 | 江苏大浪电气制造有限公司 | High-strength bus groove convenient to assemble and disassemble |
| CN107177864A (en) * | 2017-07-03 | 2017-09-19 | 扬州润友复合材料有限公司 | It is a kind of to be intended to protection electrolytic bath bottom bus, the device for preventing bus to be thrust |
| CN107579500A (en) * | 2017-10-25 | 2018-01-12 | 江苏昊昱科技咨询有限公司 | A kind of fireproof bus duct |
| CN109936099A (en) * | 2017-12-16 | 2019-06-25 | 众联兴电力科技股份有限公司 | A kind of fireproof bus duct |
| CN107994525A (en) * | 2017-12-22 | 2018-05-04 | 江苏华强电力设备有限公司 | High-strength refractory bus duct |
| CN107994525B (en) * | 2017-12-22 | 2023-10-31 | 江苏华强电力设备有限公司 | High-strength fire-resistant bus duct |
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Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |