CN209419158U - A kind of fire resistant busbar - Google Patents

A kind of fire resistant busbar Download PDF

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Publication number
CN209419158U
CN209419158U CN201920032614.6U CN201920032614U CN209419158U CN 209419158 U CN209419158 U CN 209419158U CN 201920032614 U CN201920032614 U CN 201920032614U CN 209419158 U CN209419158 U CN 209419158U
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China
Prior art keywords
groove body
plate
flame retardant
internal fixed
fixed block
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CN201920032614.6U
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Chinese (zh)
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杨丽丽
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Qingdao Hundred Million Information Technology Share Co Ltd
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Qingdao Hundred Million Information Technology Share Co Ltd
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Abstract

The utility model discloses a kind of fire resistant busbar, including several bus bar plates disposed in parallel (2) and groove body, bus bar plate (2) is set in groove body and is arranged along the length extending direction of groove body;There are two internal fixed block (5) for setting between two panels (3), two internal fixed blocks (5) are fixedly connected with two panels (3) respectively, several separation troughs (51) are provided on internal fixed block (5), separation trough (51) opening of two internal fixed blocks (5) is oppositely arranged, and bus bar plate (2) is plugged in separation trough (51).The utility model has the advantage of it can overcome the disadvantages of the prior art, novelty reasonable in design.

Description

A kind of fire resistant busbar
Technical field
The utility model relates to a kind of fire resistant busbars, belong to electric field.
Background technique
Bus duct is a kind of closed metal device being made of copper, aluminium busbar column, is used to be each element of decentralized system Distribute relatively high power.As modernization project facility is emerged in large numbers with what is equipped, the fast increasing of the electricity consumption of all trades and professions is especially numerous The appearance of skyscraper and large-sized workshop workshop, the traditional cable as transmission pressure cannot expire in high current transportation system Foot requires, and the used in parallel of multiway cable brings inconvenience to in-site installation construction connection.Plug type bus duct is as one Kind new distribution conducting wire comes into being, and compared with traditional cable, its superiority is fully demonstrated in high current conveying, together When due to use new technology, new process, the bus duct both ends junction substantially reduced and branching port splicing position contact electricity Resistance and temperature rise to improve the security reliability of bus duct keep whole system more perfect.Existing concentration bus duct one As using being integrally formed design, bus bar plate is separated to exhausted insulation board generally using with jack especially inside bus duct Bus bar plate is inserted into insulation board by jack during installation by integrally formed insulation board.Make the bus duct of the prior art in this way Although easily manufactured, maintenance dismounting is inconvenient, and fire resistant flame retardant is poor, influences equipment safety operation.
Utility model content
The technical solution of the utility model is for existing in the prior art: " although the bus duct manufacturer of the prior art Just, but maintenance dismounting is inconvenient, and fire resistant flame retardant is poor, influences equipment safety operation " deficiency, a kind of fire safe type is provided Bus duct.
In order to solve the above technical problems, the technical scheme adopted by the utility model is that, a kind of fire resistant busbar, if including Bus bar plate and groove body disposed in parallel are done, bus bar plate is set in groove body and is arranged along the length extending direction of groove body;Two faces There are two internal fixed blocks for setting between plate, and two internal fixed blocks are fixedly connected with two panels respectively, on internal fixed block Several separation troughs are provided with, the separation channel opening of two internal fixed blocks is oppositely arranged, and bus bar plate is plugged in separation trough;It is described Flame retardant coating is provided between internal fixed block and the inner wall of groove body, flame retardant coating is fixed with groove body;In the both ends open of the groove body It is provided with end refractory slab, end refractory slab is fixed with groove body, and bus bar plate passes through end refractory slab, flame retardant coating, internal fixed block Both ends contacted respectively with an end refractory slab.
In the application, groove body is fixed at bus bar plate interval by two internal fixed blocks, so that between each bus bar plate Isolated insulation.It is contacted by the end of flame retardant coating, internal fixed block with end refractory slab in the application, so that flame retardant coating, end Refractory slab surrounds the enclosure space of a fire resistant flame retardant in groove body, improves the fire resistant flame retardant of bus duct.Flame retardant coating, inside Fixed block uses split-type design, replacement convenient to overhaul.
Optimization, above-mentioned fire resistant busbar, the groove body includes two panels disposed in parallel and two side plates, side plate It is set between two panels and is vertically arranged with panel, bus bar plate is set between two panels, two panels, two side plates Surround the groove body of an inner hollow.
Groove body in the application is assembled by two panels and two side plates, since groove body is set using split type Meter can only see in maintenance and open inside one of panel i.e. observable, and the replacement flame retardant coating, internal solid that can be convenient Determine the components such as block, maintenance is convenient.
Optimization, above-mentioned fire resistant busbar, the two sides of the side plate are provided with bending plate, the bending plate point of side plate two sides Not with a panel attachment, side pull rod is provided between two panels, the both ends of side pull rod are each passed through panel, one A bending plate is simultaneously fixed with panel, bending plate by nut.
In the application, side plate and panel are fixed by side pull rod, bending plate.The bending plate of side plate two sides increases side The bend resistance intensity of plate, and then the intensity of groove body side surface and the torsional strength of entire groove body has been turned up.
Optimization, above-mentioned fire resistant busbar, the flame retardant coating is that a cross section is U-shaped flame-retardant board, and inside is fixed Block is set in the U-shaped opening of flame retardant coating, and several fixing bolts are provided on panel, and fixing bolt passes through panel, flame retardant coating simultaneously It is threadedly coupled with panel, internal fixed block.
In the application, flame retardant coating uses U-shaped flame-retardant board, and fire proofing can use ceramic flame-proof plate or VO grades of PC Flame-retardant board etc., ceramic flame-proof sheet metal forming is simple, at low cost, good flame resistance, can be used as preferred material.Though and VO grades of PC flame-retardant boards Right flame retardant property is good, light-weight, but higher cost, can be used in the demanding environment of flame-retardant.In the application, pass through Fixing bolt passes through flame retardant coating and internal fixed block, flame retardant coating is fixed on panel.
Optimize, above-mentioned fire resistant busbar, one is respectively arranged on the two sides inner wall of the flame retardant coating U-shaped opening admittedly Determine item, the outer surface two sides of internal fixed block are respectively arranged with a fixing groove, and fixed strip is mating with fixing groove.
It is convenient during installation by flame retardant coating, internal fixed block by the mating of fixing groove and fixed strip in the application Assembly positioning, and the relative position of flame retardant coating, internal fixed block is fixed after mounting, so that the two firmness of the connection is higher.And And the mating quantity for reducing the fixing bolt between flame retardant coating, internal fixed block of fixing groove and fixed strip, reduction are torn open Difficulty is filled, it is convenient to overhaul.
Optimize, above-mentioned fire resistant busbar, is provided with several heat release holes on the flame retardant coating, the both ends of heat release hole are opened Mouth is bonded internal fixed block outer surface, groove body inner surface respectively, is filled with fire-retardant silicone grease in heat release hole.
In the application, flame retardant coating reduces thermal diffusivity using internal full package internal fixed block, bus bar plate.Heat release hole The thermal diffusivity for increasing flame retardant coating, the existing anti-flammability of fire-retardant silicone grease of heat release hole filling are set, and can be had good thermally conductive Property, it prevents groove body internal temperature excessively high and influences the use of bus duct.
Optimize, above-mentioned fire resistant busbar, several heat dissipation wing plates are provided on the side plate, heat dissipation wing plate is parallel to folding Bent plate is simultaneously arranged along groove body length extending direction, and side pull rod passes through heat dissipation wing plate.
In the application, heat dissipation wing plate increases the radiating rate of groove body.And the resistance to compression that the wing plate that radiates increases side plate is anti- Curved intensity, and then increase the integral strength of groove body.
Optimize, above-mentioned fire resistant busbar, is socketed with heat-shrink tube, the outer surface of heat-shrink tube and separation on the bus bar plate The contact of slot inner surface.
In the application, bus bar plate and internal fixed block are dielectrically separated from using heat-shrink tube, improve each bus in groove body Being dielectrically separated from property between plate.
Optimize, above-mentioned fire resistant busbar, anti-flaming dope is coated in the inner surface and the outer surface of the groove body;Two The U-shaped opening end of flame retardant coating contacts, two internal fixed block gap settings.
In the application, the flame-retardant performance of groove body is increased by coating anti-flaming dope on the surface of groove body.Two The fixed block gap in inside is arranged so that having enough heat dissipation gaps between two internal fixed blocks, the heat of bus bar plate can pass through Gap between internal fixed block distributes on flame retardant coating and by the heat release hole of flame retardant coating and distributes, and increases thermal diffusivity.Two resistance to The space side closing that no seam enables to two flame retardant coatings to surround is contacted between fire bed, improves fire resistant flame retardant.
Optimization, above-mentioned fire resistant busbar, the side surface of the end refractory slab and the open-ended inner wall of groove body paste It closes, if being provided with bolt stem on the end outer wall of groove body, bolt passes through groove body and is threadedly coupled with end refractory slab;End fire resisting Be provided with several through-holes on plate, bus bar plate passes through end refractory slab, flame retardant coating, internal fixed block both ends respectively with an end Refractory slab contact on through-hole and contacted with the inner wall of through-hole.
In the application, a flame resistant protective layer is formed in groove body by end refractory slab, flame retardant coating, increases bus duct Anti-flammability.Bus bar plate passes through end refractory slab by through-hole can smear resistance to increase fire resistant flame retardant on that inner wall of the through hole Silicone grease is fired, fire-retardant leakproofness is increased.
The utility model has the advantage of it can overcome the disadvantages of the prior art, novelty reasonable in design.In the application, Groove body is fixed at bus bar plate interval by two internal fixed blocks, so that isolated insulation between each bus bar plate.In the application It is contacted by the end of flame retardant coating, internal fixed block with end refractory slab, so that flame retardant coating, end refractory slab surround in groove body The enclosure space of one fire resistant flame retardant improves the fire resistant flame retardant of bus duct.Flame retardant coating, internal fixed block are set using split type Meter, replacement convenient to overhaul.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A cross-sectional view of Fig. 1;
Fig. 4 is the B-B cross-sectional view of Fig. 1;
Fig. 5 is enlarged drawing at the C of Fig. 4;
Fig. 6 is the structural schematic diagram of internal fixed block in the utility model;
Fig. 7 is the structural schematic diagram of flame retardant coating in the utility model.
Specific embodiment
The technical characterstic of the utility model is further described with specific embodiment with reference to the accompanying drawing.
As Figure 1-Figure 4, the utility model is a kind of fire resistant busbar, including several bus bar plates disposed in parallel 2 And groove body, bus bar plate 2 are set in groove body and are arranged along the length extending direction of groove body;Between two panels 3 there are two settings Internal fixed block 5, two internal fixed blocks 5 are fixedly connected with two panels 3 respectively, are provided with several points on internal fixed block 5 The opening of separation trough 51 of separate slot 51, two internal fixed blocks 5 is oppositely arranged, and bus bar plate 2 is plugged in separation trough 51;The inside Flame retardant coating 6 is provided between fixed block 5 and the inner wall of groove body, flame retardant coating 6 is fixed with groove body;It is set in the both ends open of the groove body It is equipped with end refractory slab 7, end refractory slab 7 is fixed with groove body, and bus bar plate 2 passes through end refractory slab 7, and flame retardant coating 6, inside are fixed The both ends of block 5 are contacted with an end refractory slab 7 respectively.
In the application, groove body is fixed at the interval of bus bar plate 2 by two internal fixed blocks 5 so that each bus bar plate 2 it Between isolated insulation.It is contacted by the end of flame retardant coating 6, internal fixed block 5 with end refractory slab 7 in the application, so that flame retardant coating 6, end refractory slab 7 surrounds the enclosure space of a fire resistant flame retardant in groove body, improves the fire resistant flame retardant of bus duct.Fire resisting Layer 6, internal fixed block 5 use split-type design, replacement convenient to overhaul.
Groove body includes two panels 3 and two side plates 4 disposed in parallel, and side plate 4 is set between two panels 3 and and face Plate 3 is vertically arranged, and bus bar plate 2 is set between two panels 3, and two panels, 3, two side plates 4 surround an inner hollow Groove body.
Groove body in the application is assembled by two panels 3 and two side plates 4, since groove body is set using split type Meter can only see in maintenance and open inside one of panel 3 i.e. observable, and can be convenient replacement flame retardant coating 6, inside The components such as fixed block 5, maintenance are convenient.
The two sides of side plate 4 are provided with bending plate 41, and the bending plate 41 of 4 two sides of side plate is bonded with a panel 3 respectively, and two Be provided with side pull rod 31 between panel 3, the both ends of side pull rod 31 be each passed through 3, bending plates 41 of a panel and with Panel 3, bending plate 41 are fixed by nut.
It is by side pull rod 31, bending plate 41 that side plate 4 and panel 3 is fixed in the application.The bending plate of 4 two sides of side plate 41 increase the bend resistance intensity of side plate 4, and then the intensity of groove body side surface and the torsional strength of entire groove body has been turned up.
Flame retardant coating 6 is that a cross section is U-shaped flame-retardant board, and internal fixed block 5 is set in the U-shaped opening of flame retardant coating 6, Be provided with several fixing bolts 64 on panel 3, fixing bolt 64 pass through panel 3, flame retardant coating 6 and with panel 3, internal fixed block 5 It is threadedly coupled.
In the application, flame retardant coating 6 uses U-shaped flame-retardant board, and fire proofing can use ceramic flame-proof plate or VO grades PC flame-retardant board etc., ceramic flame-proof sheet metal forming is simple, at low cost, good flame resistance, can be used as preferred material.And VO grades of PC are fire-retardant Although plate flame retardant property is good, light-weight, higher cost, can be used in the demanding environment of flame-retardant.In the application, It passes through flame retardant coating 6 by fixing bolt 64 internal fixed block 5, flame retardant coating 6 are fixed on panel 3.
A fixed strip 61, the outer surface of internal fixed block 5 are respectively arranged on the two sides inner wall of flame retardant coating 6U type opening Two sides are respectively arranged with a fixing groove 52, and fixed strip 61 and fixing groove 52 are mating.
It is convenient during installation by flame retardant coating 6, internal by the mating of fixing groove 52 and fixed strip 61 in the application The assembly positioning of fixed block 5, and the relative position of flame retardant coating 6, internal fixed block 5 is fixed after mounting, so that the two is connected firmly Du Genggao.And the mating fixation spiral shell reduced between flame retardant coating 6, internal fixed block 5 of fixing groove 52 and fixed strip 61 The quantity of bolt 64 reduces dismounting difficulty, convenient to overhaul.
Several heat release holes 62 are provided on the flame retardant coating 6, the both ends open of heat release hole 62 is bonded internal fixed respectively 5 outer surface of block, groove body inner surface, heat release hole 62 is interior to be filled with fire-retardant silicone grease.
In the application, flame retardant coating 6 reduces thermal diffusivity using internal full package internal fixed block 5, bus bar plate 2.Heat release hole 62 setting increases the thermal diffusivity of flame retardant coating 6, the existing anti-flammability of fire-retardant silicone grease that heat release hole 62 is filled, and can have good Thermal conductivity, prevent groove body internal temperature excessively high and influence the use of bus duct.
Several heat dissipation wing plates 42 are provided on the side plate 4, heat dissipation wing plate 42 is parallel to bending plate 41 and along groove body length Extending direction setting, side pull rod 31 pass through heat dissipation wing plate 42.
In the application, heat dissipation wing plate 42 increases the radiating rate of groove body.And the wing plate that radiates 42 increases the anti-of side plate 4 Bending strength is pressed, and then increases the integral strength of groove body.
Heat-shrink tube 8 is socketed on the bus bar plate 2, the outer surface of heat-shrink tube 8 is contacted with 51 inner surface of separation trough.
In the application, bus bar plate 2 and internal fixed block 5 are dielectrically separated from using heat-shrink tube 8, improve each mother in groove body Being dielectrically separated from property between line plate 2.
Anti-flaming dope is coated in the inner surface and the outer surface of the groove body;The U-shaped opening end of two flame retardant coatings 6 connects Touching, the two internal interval of fixed block 5 settings.
In the application, the flame-retardant performance of groove body is increased by coating anti-flaming dope on the surface of groove body.Two The setting of the internal interval of fixed block 5 is so that have enough heat dissipation gaps between two internal fixed blocks 5, the heat of bus bar plate 2 can It is distributed by the gap between internal fixed block 5 on flame retardant coating 6 and by the heat release hole 62 of flame retardant coating 6 and is distributed, increase heat dissipation Property.The space side closing that no seam enables to two flame retardant coatings 6 to surround is contacted between two flame retardant coatings 6, improves fire resisting Anti-flammability.
The side surface of the end refractory slab 7 is bonded with the open-ended inner wall of groove body, is arranged on the end outer wall of groove body If there is bolt stem, bolt passes through groove body and is threadedly coupled with end refractory slab 7;Several through-holes are provided on end refractory slab 7, it is female Line plate 2 passes through end refractory slab 7, leading to of contact respectively with an end refractory slab 7 of both ends of flame retardant coating 6, internal fixed block 5 The inner wall of Kong Bingyu through-hole contacts.
In the application, a flame resistant protective layer is formed in groove body by end refractory slab 7, flame retardant coating 6, increases bus duct Anti-flammability.Bus bar plate 2 passes through end refractory slab 7 by through-hole and can apply on that inner wall of the through hole to increase fire resistant flame retardant Fire-retardant silicone grease is smeared, fire-retardant leakproofness is increased.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this The those of ordinary skill of technical field, in the essential scope of the utility model, the variations, modifications, additions or substitutions made, all It should belong to the protection scope of the utility model.

Claims (10)

1. a kind of fire resistant busbar, it is characterised in that: including several bus bar plates (2) disposed in parallel and groove body, bus bar plate (2) It is set in groove body and is arranged along the length extending direction of groove body;There are two internal fixed blocks for setting between two panels (3) (5), two internal fixed blocks (5) are fixedly connected with two panels (3) respectively, are provided with several separations on internal fixed block (5) Separation trough (51) opening of slot (51), two internal fixed blocks (5) is oppositely arranged, and bus bar plate (2) is plugged in separation trough (51); It is provided with flame retardant coating (6) between the internal fixed block (5) and the inner wall of groove body, flame retardant coating (6) is fixed with groove body;The groove body Both ends open in be provided with end refractory slab (7), end refractory slab (7) is fixed with groove body, bus bar plate (2) pass through end fire resisting Plate (7), flame retardant coating (6), internal fixed block (5) both ends contacted respectively with an end refractory slab (7).
2. fire resistant busbar according to claim 1, it is characterised in that: the groove body includes two faces disposed in parallel Plate (3) and two side plates (4), side plate (4) are set between two panels (3) and are vertically arranged with panel (3), bus bar plate (2) It is set between two panels (3), two panels (3), two side plates (4) surround the groove body of an inner hollow.
3. fire resistant busbar according to claim 2, it is characterised in that: the two sides of the side plate (4) are provided with bending Plate (41), the bending plate (41) of side plate (4) two sides are bonded with a panel (3) respectively, are provided with side between two panels (3) Pull rod (31), the both ends of side pull rod (31) be each passed through a panel (3), a bending plate (41) and with panel (3), bending Plate (41) is fixed by nut.
4. fire resistant busbar according to claim 2, it is characterised in that: the flame retardant coating (6) is that a cross section is U The flame-retardant board of type, internal fixed block (5) are set in the U-shaped opening of flame retardant coating (6), and several fixed spiral shells are provided on panel (3) Bolt (64), fixing bolt (64) pass through panel (3), flame retardant coating (6) and are threadedly coupled with panel (3), internal fixed block (5).
5. fire resistant busbar according to claim 4, it is characterised in that: in the two sides of flame retardant coating (6) U-shaped opening A fixed strip (61) is respectively arranged on wall, the outer surface two sides of internal fixed block (5) are respectively arranged with a fixing groove (52), fixed strip (61) and fixing groove (52) are mating.
6. fire resistant busbar according to claim 4, it is characterised in that: be provided on the flame retardant coating (6) several Heat release hole (62), the both ends open of heat release hole (62) are bonded internal fixed block (5) outer surface, groove body inner surface, heat release hole respectively (62) fire-retardant silicone grease is filled in.
7. fire resistant busbar according to claim 3, it is characterised in that: be provided with several heat dissipations on the side plate (4) Wing plate (42), heat dissipation wing plate (42) are parallel to bending plate (41) and are arranged along groove body length extending direction, and side pull rod (31) is worn Cross heat dissipation wing plate (42).
8. fire resistant busbar according to claim 1, it is characterised in that: be socketed with heat-shrink tube on the bus bar plate (2) (8), the outer surface of heat-shrink tube (8) is contacted with separation trough (51) inner surface.
9. fire resistant busbar according to claim 4, it is characterised in that: applied in the inner surface and the outer surface of the groove body It is covered with anti-flaming dope;The U-shaped opening end contact of two flame retardant coatings (6), two internal fixed blocks (5) are spaced setting.
10. fire resistant busbar according to claim 1, it is characterised in that: the side surface of the end refractory slab (7) with The open-ended inner wall of groove body is bonded, if being provided with bolt stem on the end outer wall of groove body, bolt passes through groove body and resistance to end Fiery plate (7) is threadedly coupled;Several through-holes are provided on end refractory slab (7), bus bar plate (2) passes through end refractory slab (7), fire resisting Layer (6), internal fixed block (5) the through-hole that is contacted respectively with an end refractory slab (7) of both ends and connect with the inner wall of through-hole Touching.
CN201920032614.6U 2019-01-09 2019-01-09 A kind of fire resistant busbar Active CN209419158U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920032614.6U CN209419158U (en) 2019-01-09 2019-01-09 A kind of fire resistant busbar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920032614.6U CN209419158U (en) 2019-01-09 2019-01-09 A kind of fire resistant busbar

Publications (1)

Publication Number Publication Date
CN209419158U true CN209419158U (en) 2019-09-20

Family

ID=67943202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920032614.6U Active CN209419158U (en) 2019-01-09 2019-01-09 A kind of fire resistant busbar

Country Status (1)

Country Link
CN (1) CN209419158U (en)

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