CN107785842A - A kind of fireproof bus duct - Google Patents
A kind of fireproof bus duct Download PDFInfo
- Publication number
- CN107785842A CN107785842A CN201610720452.6A CN201610720452A CN107785842A CN 107785842 A CN107785842 A CN 107785842A CN 201610720452 A CN201610720452 A CN 201610720452A CN 107785842 A CN107785842 A CN 107785842A
- Authority
- CN
- China
- Prior art keywords
- copper sheet
- bus duct
- accommodating cavity
- refractory
- busbar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- 239000010949 copper Substances 0.000 claims abstract description 40
- 239000012212 insulator Substances 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000003063 flame retardant Substances 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011819 refractory material Substances 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 230000003292 diminished effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000011214 refractory ceramic Substances 0.000 description 2
- 238000004901 spalling Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The present invention relates to a kind of fireproof bus duct, it includes interior bus groove case, the busbar for setting accommodating cavity, busbar is arranged at intervals by several and formed through the copper sheet of the accommodating cavity, bus groove case includes the side plate that two parallel intervals are set and two cover plates covered at the top and bottom of side plate, two side plates and two cover plates form accommodating cavity, refractory thermal insulator is provided between copper sheet, it is characterised in that：Two side plates and cover plate are coated with a refractory coating away from accommodating cavity side, and a thermal insulation layer is provided between cover plate and copper sheet.The invention provides a kind of good flame retardation effect, the fireproof bus duct of fire resisting excellent effect, to solve the defects of existing bus duct fire resistance is poor and busbar copper sheet is easily split up with refractory material.
Description
Technical field
The present invention relates to electrical equipment technical field, and in particular to a kind of fireproof bus duct.
Background technology
Modern high-rise building and large-scale workshop need huge electric energy, and face hundreds and thousands of peaces needed for this huge load
The powerful electric current of training will select safe and reliable transmission equipment.Bus duct is a power distribution equipment for efficiently conveying electric current, especially
It has adapted to the needs of higher and higher building and large-scale plant economical rationality distribution.But there is also one for bus duct
A little shortcomings, such as, because the collection speed arrangement between bus duct would generally produce larger heat, the heat dissipation problem of bus duct is also
Perplex the hang-up of bus duct research staff all the time, if bus duct does not possess necessary heat dispersion, once it is female
High temperature can not disperse in time caused by busbar in wire casing, just be likely to bring fire safety hidden danger.
It is that CN201868811U is entitled in notification number for this problem《Fireproof bus duct》Chinese patent in, take off
Shown it is a kind of by the way of the filling fire resisting material in bus duct body, come solve due to busbar overheat may caused by prevent fires
The problem of potential safety hazard.But in this way, it is caused because busbar is in the environment of sealing in bus duct body
Heat can't be reduced, and the coefficient of expansion between refractory material and busbar copper sheet is different, is very easy to cause busbar copper sheet
Due to spalling phenomenon caused by coefficient of expansion difference between refractory material.
And a kind of fireproof bus duct is provided in Chinese patent CN201620081897.X, it is by being arranged on bus duct sheet
Internal refractory material and the elastic cord breaker being arranged between the copper sheet of busbar and refractory material, although it passes through elastic buffer
Layer solves the problems, such as caused spalling of expanding with heat and contract with cold to a certain extent, still, because elastic cord breaker can not completely buffer it
Expand with heat and contract with cold caused deflection.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of good flame retardation effect, fire resisting excellent effect
Fireproof bus duct, to solve the defects of existing bus duct fire resistance is poor and busbar copper sheet is easily split up with refractory material.
To achieve the above object, a kind of fireproof bus duct of the present invention, it includes interior bus groove case, the mother for setting accommodating cavity
Row, the busbar are arranged at intervals by several and formed through the copper sheet of the accommodating cavity, and the bus groove case includes two
Two cover plates of the side plate and lid that parallel interval is set at the top and bottom of the side plate, described two side plates and two
Cover plate forms described accommodating cavity, and refractory thermal insulator is provided between described copper sheet, it is characterised in that：Described two side plates and
Cover plate is coated with a refractory coating away from described accommodating cavity side, and it is heat-insulated that one is provided between described cover plate and described copper sheet
Layer.
On the basis of such scheme preferably, described thermal insulation layer is silicon cotton.
On the basis of such scheme preferably, described busbar also includes a fire-retardant dividing plate, and described fire-retardant dividing plate is provided with
Hole clipping corresponding with described copper sheet, described fire-retardant dividing plate are installed in the both ends of the copper sheet.
On the basis of such scheme preferably, described refractory thermal insulator is epoxy resin.
On the basis of such scheme preferably, described refractory thermal insulator is refractory ceramics.
On the basis of such scheme preferably, described refractory thermal insulator built-in type is equiped with a heat-shrink tube.
On the basis of such scheme preferably, the tube wall of the heat-shrink tube is provided with some equally distributed heat emission holes.
On the basis of such scheme preferably, the both sides of the copper sheet are equiped with a mica tape respectively.
Compared with prior art, its advantage is the present invention：A kind of fireproof bus duct of the present invention, by between copper sheet
Refractory thermal insulator is set, it on the one hand can be achieved and isolates the purpose of copper sheet, the refractory thermal insulator on the other hand can also be utilized real
Its existing fire-retardant purpose, and coordinate and coat a refractory coating on two side plates and cover plate, sent out using refractory coating after heated
Germ-vesicle, swelling, thermal insulation layer is formed, its thermal conductivity factor is diminished rapidly, the transmission of heat can be effectively reduced, to reach
Protect the copper sheet purpose in bus groove case.Meanwhile one heat-shrink tube is set in refractory thermal insulator built-in type, can using heat-shrink tube
Effectively solve the problems, such as that refractory thermal insulator is split up with copper sheet caused by the heated receipts coefficient of expansion difference of copper sheet.
Brief description of the drawings
Fig. 1 is that the fireproof bus duct of the present invention removes the three-dimensional structure diagram after cover plate；
Fig. 2 is the sectional view of the fireproof bus duct of the present invention.
Embodiment
To describe technology contents, construction feature, institute's reached purpose and effect of the present invention in detail, embodiment is hereby enumerated below
And accompanying drawing is coordinated to be explained in detail.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
Refer to shown in Fig. 1, and with reference to shown in Fig. 2, the present invention provides a kind of fireproof bus duct, and it includes interior setting accommodating cavity
Bus groove case 10, busbar 20, busbar 20 is arranged at intervals by several and formed through the copper sheet 21 of the accommodating cavity, its
In, bus groove case 10 includes the side plate 11 that two parallel intervals are set and two lids covered at the top and bottom of side plate 11
Plate 12, two side plates 11 and two cover plates 12 form accommodating cavity, and refractory thermal insulator 22, two Hes of side plate 11 are provided between copper sheet 21
Cover plate 12 is being coated with a refractory coating 13 away from accommodating cavity side, and a thermal insulation layer 30 is provided between cover plate 12 and copper sheet 21, and
Thermal insulation layer 30 is preferably silicon cotton, and silicon cotton material of the invention meets GB3003-82《Common alumina silicate fire-retardent fiber felt-rug》Standard, its
AL2O3+S iO2 contents are up to 96%, and it is 1050 DEG C to continue temperature in use, and maximum operation (service) temperature is up to 1250 DEG C.When generation fire
In 3-5 minutes, refractory coating 13 starts to foam, expanded, and a thermal insulation layer 30 is formed, so that its thermal conductivity factor becomes rapidly
It is small, the transmission of heat can be effectively reduced, thinks that user strives for attack time.When fire continues, cover plate 12 and side plate 11 are held
Temperature of continuing rising, due to the effect of silicon cotton, can further isolated part heat transmission, avoid the copper sheet 21 in accommodating cavity from being become by heat
Shape.
As the preferred technical solution of the present invention, busbar 20 of the present invention also includes a fire-retardant dividing plate 40, on fire-retardant dividing plate 40
Provided with the both ends of copper sheet 21 are installed in 21 corresponding hole clipping of copper sheet, fire-retardant dividing plate 40, i.e., on the one hand may be used using fire-retardant dividing plate 40
Fireproof purpose is played, on the other hand, its support to copper sheet 21 can be achieved, facilitate its installation exercise.Wherein, refractory thermal insulator
22 be that epoxy resin is resistance to or refractory ceramics.
In order to prevent copper sheet 21 heated and refractory insulating material it is heated after, deformation is different, and the present invention is in refractory thermal insulator 22
Built-in type is equiped with a heat-shrink tube 41, and some equally distributed heat emission holes are provided with the tube wall of heat-shrink tube 41.Utilize
Heat-shrink tube 41 supports the deflection except refractory insulating material, and coordinates heat emission hole thereon, to realize it to the fast of the heat of copper sheet 21
Speed radiating, it is preferred that the both sides of copper sheet 21 of the present invention are equiped with a mica tape 42 respectively.
Compared with prior art, its advantage is the present invention：A kind of fireproof bus duct of the present invention, by copper sheet 21
Between set refractory thermal insulator 22, on the one hand can be achieved its isolate copper sheet 21 purpose, on the other hand can also utilize the fire resisting
Insulator 22 realizes its fire-retardant purpose, and coordinates and a refractory coating 13 is coated on two side plates 11 and cover plate 12, and utilization is resistance to
Foaming, swelling occur after heated for fiery coating 13, form thermal insulation layer 30, its thermal conductivity factor is diminished rapidly, can effectively drop
The low transmission of heat, to reach the purpose of copper sheet 21 in protection bus groove case 10.Meanwhile it is embedded in refractory thermal insulator 22
Formula sets a heat-shrink tube 41, and it is different from the heated receipts coefficient of expansion of copper sheet 21 effectively to solve refractory thermal insulator 22 using heat-shrink tube 41
The problem of caused copper sheet 21 is split up.
In summary, only the preferred embodiments of the invention, does not limit protection scope of the present invention with this, all according to the present invention
The equivalent changes and modifications that the scope of the claims and description are made, it is all within the scope of patent of the present invention covers.
Claims (8)
1. a kind of fireproof bus duct, it includes interior bus groove case, the busbar for setting accommodating cavity, and the busbar is set by several intervals
Put and formed through the copper sheet of the accommodating cavity, the bus groove case includes the side plate and lid dress that two parallel intervals are set
Two cover plates at the top and bottom of the side plate, described two side plates and two cover plates form described accommodating cavity, described
Copper sheet between be provided with refractory thermal insulator, it is characterised in that：Two described side plates and cover plate deviate from described accommodating cavity side
Coated with a refractory coating, a thermal insulation layer is provided between described cover plate and described copper sheet.
A kind of 2. fireproof bus duct as claimed in claim 1, it is characterised in that：Described thermal insulation layer is silicon cotton.
A kind of 3. fireproof bus duct as claimed in claim 1, it is characterised in that:Described busbar also includes a fire-retardant dividing plate,
Described fire-retardant dividing plate is provided with hole clipping corresponding with described copper sheet, and described fire-retardant dividing plate is installed in the two of the copper sheet
End.
A kind of 4. fireproof bus duct as claimed in claim 1, it is characterised in that：Described refractory thermal insulator is epoxy resin.
A kind of 5. fireproof bus duct as claimed in claim 1, it is characterised in that：Described refractory thermal insulator is made pottery for high temperature resistant
Porcelain.
A kind of 6. fireproof bus duct as described in claim 4 or 5, it is characterised in that：Described refractory thermal insulator built-in type
It is equiped with a heat-shrink tube.
A kind of 7. fireproof bus duct as claimed in claim 6, it is characterised in that：The tube wall of the heat-shrink tube is provided with some equal
The heat emission hole of even distribution.
A kind of 8. fireproof bus duct as claimed in claim 1, it is characterised in that：The both sides of the copper sheet are equiped with a cloud respectively
Master tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610720452.6A CN107785842A (en) | 2016-08-24 | 2016-08-24 | A kind of fireproof bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610720452.6A CN107785842A (en) | 2016-08-24 | 2016-08-24 | A kind of fireproof bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107785842A true CN107785842A (en) | 2018-03-09 |
Family
ID=61388714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610720452.6A Pending CN107785842A (en) | 2016-08-24 | 2016-08-24 | A kind of fireproof bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107785842A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428301A (en) * | 2017-08-22 | 2019-03-05 | 有能集团江苏电气有限公司 | A kind of fireproof bus duct |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001069649A (en) * | 1999-08-31 | 2001-03-16 | Hitachi Cable Ltd | Structure of fireproof bus duct connection |
| CN104332915A (en) * | 2014-11-19 | 2015-02-04 | 江苏华鹏智能电气股份有限公司 | Refractory bus duct |
| CN104701792A (en) * | 2014-11-10 | 2015-06-10 | 江苏华鹏智能电气股份有限公司 | Flame-retarding bus slot |
| CN205319653U (en) * | 2016-01-27 | 2016-06-15 | 浙江电盟电气有限公司 | Fire -proof bus duct |
| CN205944968U (en) * | 2016-08-24 | 2017-02-08 | 香江科技股份有限公司 | A fire -proof bus duct |
-
2016
- 2016-08-24 CN CN201610720452.6A patent/CN107785842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001069649A (en) * | 1999-08-31 | 2001-03-16 | Hitachi Cable Ltd | Structure of fireproof bus duct connection |
| CN104701792A (en) * | 2014-11-10 | 2015-06-10 | 江苏华鹏智能电气股份有限公司 | Flame-retarding bus slot |
| CN104332915A (en) * | 2014-11-19 | 2015-02-04 | 江苏华鹏智能电气股份有限公司 | Refractory bus duct |
| CN205319653U (en) * | 2016-01-27 | 2016-06-15 | 浙江电盟电气有限公司 | Fire -proof bus duct |
| CN205944968U (en) * | 2016-08-24 | 2017-02-08 | 香江科技股份有限公司 | A fire -proof bus duct |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428301A (en) * | 2017-08-22 | 2019-03-05 | 有能集团江苏电气有限公司 | A kind of fireproof bus duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |