CN103384052B - Refractory casting bus duct - Google Patents
Refractory casting bus duct Download PDFInfo
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- CN103384052B CN103384052B CN201210134579.1A CN201210134579A CN103384052B CN 103384052 B CN103384052 B CN 103384052B CN 201210134579 A CN201210134579 A CN 201210134579A CN 103384052 B CN103384052 B CN 103384052B
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- fire
- mica insulation
- refractory casting
- bus duct
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Abstract
A kind of can overcome the low pressure electrical power distribution busway groove mains system can not in the open and have in the environment of corrosion contamination, under fire condition, safety energising runs the refractory casting bus duct of certain time.It is to use " processing technique of pressure injection gel forming epoxy casting bus duct " method (number of patent application: 201220081075.3), the fire-proofing chemical of appropriate proportioning is added in fire retarding epoxide resin, after filler and firming agent, compound after the stirring of limit evacuation limit is sufficiently mixed in de-airing mixer, heat cure gel forming refractory casting bus unit in pre-warmed steel die is injected with pressure, after firmly being connected by the mica insulation joint connector that our company's designed, designed is researched and developed by engineering design requirements between refractory casting bus unit, overcoat special " pouring bus groove connector box " (patent No.: ZL201020104497.9), cast notch along connector box pours into refractory casting compound and is allowed to be solidified into holistic refractory casting bus duct.
Description
One, art
Patent of the present invention " refractory casting bus duct " relates to energising pouring bus groove and can persistently be energized by insulation safety under fire condition
The technical field of the fire resistance of certain time.
Two, background technology
Along with the raising of people's living standard, increasingly increasing of world population, land resource rare, the pollution of amblent air temperature,
Towering of skyscraper, taking place frequently of all kinds of fire incidents, make people that the fire safety of self to be realized and the most day by day strengthen.
The most traditional steel fireproof bus duct is to use to fill out the refractory materials such as aluminium silicate wool outside interior bag mica tape (Muscovitum dividing plate)
Method makes the steel fireproof bus duct can be when breaking out of fire, and it is that fire rescues when striving for certain valuable that safety energising runs certain time
Between.
But its shortcoming is:
1, double-decker volume work greatly trouble cost is high, and sacrifices busbar cross section by busbar current-carrying fall capacitance type and exchange mother for
The most overproof requirement of temperature rise in wire casing running.
2, steel fireproof bus duct can not use in the open and have in corrosion contamination environment.
How to invent in low pressure electrical power distribution busway groove mains system can back-fire relief fire-resistant again can the waterproof bus duct of anticorrosion, be this
Problem involved by patent of invention.
Three, summary of the invention
In order to the double-decker volume overcoming conventional steel fireproof bus duct is big, cost is high, the wasting of resources and can not using
Outdoor and have a weak point in the environment of corrosion contamination, the present invention uses " pressure injection gel forming epoxy casting bus duct
Processing technique " method (number of patent application: 201220081075.3), add in fire retarding epoxide resin appropriate proportioning fire-proofing chemical,
After filler and firming agent, the compound after the stirring of limit evacuation limit is sufficiently mixed in de-airing mixer, injects pre-add with pressure
Heat cure gel forming refractory casting bus unit in the steel die of heat, will be wanted by engineering design between refractory casting bus unit
After asking the mica insulation joint connector researched and developed by our company's designed, designed firmly to connect, overcoat is special, and " pouring bus groove is with connecing
Head cartridge " (patent No.: ZL201020104497.9), the cast notch along connector box pours into refractory casting compound and is allowed to solidify
Integral refractory casting bus duct.
Refractory casting bus duct primary structure has:
The supporting fire-resistant cushion block of busbar, the fire rated partition of port leakproof；Busbar (includes copper bar and copper aluminum row)；Curing molding resistance to
Fire ring epoxy resins, mica insulation joint connector, refractory casting bus duct connector box five part forms.
Fire rated partition and fire-resistant cushion block are that our company uses refractory material to make research and development by oneself according to the different size of busbar specification, respectively by
Our company first the most prefabricated carry out stand-by.
Busbar (copper bar or copper aluminum row) selects different specification size according to the different of bus current grade, wants further according to engineering design
The size asked and geometry, be fabricated in line, horizontal curved row, vertical curved row, horizontal vertical combine curved row, Z-type combination is curved
The busbar unit of row etc..Busbar is the current－carrying conductor of refractory casting bus duct.Termination is reserved regulation joint dimension and is not poured into a mould, and makees
It is used for connecting conducting electric current between bus.
The refractory ring epoxy resins of curing molding is that fire retarding epoxide resin adds fire-proofing chemical and the filler of appropriate proportioning, adds one
Determine limit evacuation limit stirring in de-airing mixer after the firming agent of proportioning, after being thoroughly mixed, with pressure injection to the most pre-
In the casting mold that heat is good, heat cure molding.
Mica insulation joint connector is that the mica insulation joint researched and developed by our company's designed, designed according to bus specification size connects
Plate, joint connect copper bar, Muscovitum sleeve pipe, dish spring washer and the assembly of fastening bolt.Mica insulation joint connecting plate have middle plate and
Side plate point, the both sides of middle plate all can put joint connect copper bar, side plate only has side can put connection copper bar.Mica insulation joint is even
Fishplate bar leaves fastening bolt and the perforation of Muscovitum sleeve pipe when design.Refractory casting bus unit is when connecting, outside the two of joint
It is shockproof that dish spring washer is all placed in side, bears pressure and be used during as bolt fastening bus.
Refractory casting bus duct connector box uses " pouring bus groove the connector box " (patent No.: ZL 2,010 2 of our company
104497.9)
Four, accompanying drawing explanation (see Fig. 1, Fig. 2, Fig. 3)
Tu1Shi our company " processing technique of pressure injection gel forming epoxy casting bus duct " (number of patent application:
201220081075.3)
Fig. 2 is the structure of refractory casting bus duct, fire rated partition (1) in figure, fire-resistant cushion block (2), the refractory ring of curing molding
Epoxy resins (3), busbar (copper bar or copper aluminum row) (4).
Fig. 3 is the structure at refractory casting bus duct joint, refractory casting connector box (1), mica insulation joint connecting plate in figure
(2), joint connects copper bar (3), busbar (4), dish spring washer (5), Muscovitum sleeve pipe (6), punching bolt (7), joint
Box connecting bolt (8).
Five, detailed description of the invention
Part implementation sees our company's " processing technique of pressure injection gel forming epoxy casting bus duct " method (patent
Application number: 201220081075.3) and " pouring bus groove connector box " implementation (patent No.: ZL 2,010 2 104497.9)
1, it is heated to 140 DEG C～about 160 DEG C by watering (1) in mould Fig. 1 according to the steel note of bus specification difference self-control research and development.
2, by busbar in Fig. 2 (4) by Technology design requirement with fire-resistant cushion block (2) supporting firmly.Two-port is with fire rated partition (1)
Sealing.Reserved bus joint size.
3, de-airing mixer Fig. 1 will be put into by the dispensing (including fire retarding epoxide resin, fire-proofing chemical, firming agent etc.) of processing compound requirement
(5) in, evacuation limit, limit is uniformly mixed, and extrudes the mixing of fire-resistant epoxy by the negative pressure of vacuum pump in mixed process simultaneously
Bubble in material.
4, the compressed air after oil-water separation is filtered is injected preheated casting mold by fire retarding epoxide resin compound pressure
In, treat heat cure molding.
5, different according to product specification size dimension, mould inside holding pressurize 30～about 90 minutes, when making fire-resistant epoxy solid shrinkage
Qi Mo.The shell of the refractory casting bus after the demoulding is the refractory ring epoxy resins after solidification, in Fig. 2 (3).
6, by design requirements solidification after refractory casting bus unit, in erecting bed each other be connected by our company self-control research and develop
Mica insulation joint connector (Fig. 3).The both sides of mica insulation joint connecting middle plate (2) are placed joint and connects copper
Row (3) inserts between busbar (4), all places Muscovitum joint and connect side plate outside four-wire system two, and the N side of five-wire system is placed
Muscovitum joint connects side plate, and PE side need not place Muscovitum joint and connects side plate, it is ensured that ground connection connective protection.Again at Muscovitum
Joint connects the outside of side plate or PE connection copper bar and places dish spring washer (5), penetrates Muscovitum sleeve pipe (6) and fastening bolt (7),
Finally tight a bolt and refractory casting bus unit is firmly connected.
7, in joint with fire-resistant epoxy compound press busbar specification first the most prefabricated " pouring bus groove connector box " (patent No.:
ZL 2,010 2 104497.9) it is enclosed within (1) in outside Fig. 3 of bus, after fastening connector box bolt (8), along connector box
Cast notch pours into fire-resistant epoxy compound and is allowed to solidify integral, becomes totally enclosed refractory casting bus duct.
Evaluate: the enforcement of patent of the present invention " refractory casting bus duct ", not only can solve energising during fire being to rescue and win preciousness
The operation time, and to outdoor and have the operation area of corrosion contamination, such as: the coastal engineerings such as oil drilling platform have of crucial importance
Meaning.Considerable economic benefit and social benefit can be brought to enterprise simultaneously.
Claims (3)
1. a refractory casting bus duct, it is characterised in that: it includes busbar, the refractory block of supporting busbar
Block, the fire rated partition of port leakproof, the refractory ring epoxy resins of curing molding, mica insulation joint connector,
Refractory casting bus duct connector box；Wherein:
The fire-resistant cushion block supporting of this busbar supporting busbar is firmly；This busbar two-port port leakproof resistance to
Fire screen disc seal reserved bus joint size；The refractory ring epoxy resins of this curing molding is to take out very through limit
The fire retarding epoxide resin after being sufficiently mixed, firming agent, fire-proofing chemical compound, and this compound are stirred in empty limit
With pressure, the compressed air after oil-water separation is filtered is injected in preheated casting mold, treat thermosetting
Chemical conversion type；
This mica insulation joint connector includes mica insulation joint connecting middle plate, the both sides peace of connecting middle plate
Put the joint for inserting between busbar well and connect copper bar, and mica insulation joint connects side plate；This cloud
The rule that arranges that female insulating joint connects side plate is: the mica insulation joint connector both sides of four-wire system are all put
Putting mica insulation joint and connect side plate, it is exhausted that Muscovitum is placed in the N side of the mica insulation joint connector of five-wire system
Edge joint connects side plate, PE side need not place mica insulation joint and connects side plate；At mica insulation joint
Connecting side plate or PE connects placement butterfly spring washer outside copper bar, this butterfly spring washer penetrates Muscovitum sleeve pipe with tight
Bus joint is also firmly connected with mica insulation joint connector by fixing bolt by fastening bolt；
This refractory casting bus duct connector box is made up of two parts and is separately positioned on mica insulation joint even
Connecing device both sides, two parts are connected by connector box bolt.
Refractory casting bus duct the most according to claim 1, it is characterised in that: compound is taken out on limit
During the stirring of vacuum limit is sufficiently mixed, with the bubble in the negative pressure extrusion mixing material of vacuum pump.
Refractory casting bus duct the most according to claim 1, it is characterised in that: this refractory casting is female
Wire casing connector box has perfusion notch, pours into compound by perfusion notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134579.1A CN103384052B (en) | 2012-05-03 | 2012-05-03 | Refractory casting bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134579.1A CN103384052B (en) | 2012-05-03 | 2012-05-03 | Refractory casting bus duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103384052A CN103384052A (en) | 2013-11-06 |
| CN103384052B true CN103384052B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210134579.1A Active CN103384052B (en) | 2012-05-03 | 2012-05-03 | Refractory casting bus duct |
Country Status (1)
| Country | Link |
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| CN (1) | CN103384052B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237736A (en) * | 2014-05-20 | 2014-12-24 | 阳江核电有限公司 | Casting type bus bar fault point detection method |
| CN105305342A (en) * | 2014-05-28 | 2016-02-03 | 上海精成电器成套有限公司 | Compact cast fire-resistant bus duct with steel shell |
| CN104319708A (en) * | 2014-11-11 | 2015-01-28 | 江苏华鹏智能电气股份有限公司 | Fireproof bus duct connector device |
| CN107394721B (en) * | 2017-06-28 | 2018-11-06 | 西安理工大学 | A kind of combo box posture low voltage bus bar groove and preparation method thereof |
| CN108110706A (en) * | 2017-12-22 | 2018-06-01 | 江苏华强电力设备有限公司 | Fire resisting waterproof and anticorrosion solid bus slot |
| CN109608829A (en) * | 2018-12-18 | 2019-04-12 | 珠海顺鑫电气设备有限公司 | A kind of mould material, the closed joint of bus duct and the combined connecting structure of bus duct |
| CN110707636B (en) * | 2019-11-05 | 2021-11-23 | 江苏汉兴电缆有限公司 | Bus duct connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404398A (en) * | 2008-11-14 | 2009-04-08 | 华鹏集团公司 | Pouring bus groove |
| CN201601444U (en) * | 2010-01-29 | 2010-10-06 | 上海精成电器成套有限公司 | Joint box for casting bus duct |
| CN101872678A (en) * | 2010-06-17 | 2010-10-27 | 福建山亚开关有限公司 | Process of producing electrical product through pressure gelation of epoxy resin |
| CN202059127U (en) * | 2011-05-04 | 2011-11-30 | 施耐德(广州)母线有限公司 | Bus duct apparatus employing waterproof joint structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3887698B2 (en) * | 2002-02-27 | 2007-02-28 | 住友電装株式会社 | Electrical junction box |
-
2012
- 2012-05-03 CN CN201210134579.1A patent/CN103384052B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404398A (en) * | 2008-11-14 | 2009-04-08 | 华鹏集团公司 | Pouring bus groove |
| CN201601444U (en) * | 2010-01-29 | 2010-10-06 | 上海精成电器成套有限公司 | Joint box for casting bus duct |
| CN101872678A (en) * | 2010-06-17 | 2010-10-27 | 福建山亚开关有限公司 | Process of producing electrical product through pressure gelation of epoxy resin |
| CN202059127U (en) * | 2011-05-04 | 2011-11-30 | 施耐德(广州)母线有限公司 | Bus duct apparatus employing waterproof joint structure |
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| Publication number | Publication date |
|---|---|
| CN103384052A (en) | 2013-11-06 |
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