Intensive insulation bus slot
Technical field
The utility model relates to a kind of intensive insulation bus slot.
Background technology
Be provided with some buses in intensive insulation bus slot, these buses (bus line) are made with copper (copper bar), the aluminum material of high conductivity,, in order to electric energy transmitting, have the product that collects and distribute electric power.
Due to the bus of intensive insulation bus slot in the delivery of electrical energy process, carrying large electric current, high voltage, bus bar products has high requirement to insulation property, fire resistance, therefore, how intensive insulation bus slot realizes the insulated fireproof protection of bus is being determined stability and the useful life of intensive insulation bus slot.
Summary of the invention
The purpose of this utility model is to provide the intensive insulation bus slot of a kind of insulation, fire resistance excellence.
For achieving the above object, the utility model provides intensive insulation bus slot, comprise the busbar protecting crust and be arranged at the interior some busbars of this busbar protecting crust, busbar comprises the busbar conductor and coats the insulating barrier of this busbar conductor, some busbars parallel next-door neighbour side by side arrange, these side by side the busbar that arranges of parallel next-door neighbour be coated with ceramic silicon rubber heat-insulation layer.
Preferably, described ceramic silicon rubber heat-insulation layer is ceramic silicon rubber insulating foam layer.
Preferably, described ceramic silicon rubber insulating foam layer can also be wound around and be formed by ceramic silicon rubber foaming composite band.
Preferably, described some busbars of parallel next-door neighbour's setting side by side are arranged in the metal coating box.
Preferably, described insulating barrier is that the heat-shrinkable T bush thermal shrinkable sleeve forms at described busbar conductor.Heat-shrinkable T bush can play the insulated enclosure protective action to the busbar conductor.
Preferably, described insulating barrier is the ceramic silicone rubber insulation layer.
Preferably, described ceramic silicone rubber insulation layer is wound around and is formed by a ceramic silicon rubber composite band at least.
Preferably, described ceramic silicone rubber insulation layer is that ceramic silicon rubber extrudes formation on described busbar conductor.
Preferably, described busbar conductor is coated with insulating varnish.
Compared with prior art; ceramic silicon rubber heat-insulation layer has heat insulation function; and have ceramic silicon rubber and have the flame-retardant characteristic; when breaking out of fire; can play the flame-retardant effect; the flame-retardant excellent performance; still can ablation form hard containment vessel even surpass the fire endurance burning; containment vessel can prevent that flame from further extending to busbar; thereby protection is positioned at the busbar of ceramic silicon rubber heat-insulation layer not to be damaged; guarantee the normal usage function of busbar, improved the fail safe of product.
When ceramic silicon rubber heat-insulation layer is ceramic silicon rubber insulating foam layer, the characteristics such as the ceramic silicon rubber insulating foam layer in the busbar protecting crust has not only that the density that common expanded material has is little, quality is light, heat insulation, insulation, this can stop external high temperature to conduct to busbar inside, guarantees the normal usage function of busbar; When breaking out of fire, external high temperature is protected the unlikely temperature of busbar in the foamed ceramic composite band and is raise due to the heat insulating function of foamed ceramic composite band, avoids the phenomenons such as short circuit that raise and bring because of busbar temperature, guarantees the normal operation of busbar.
Moreover; ceramic silicon rubber insulating foam layer in the busbar protecting crust has ceramic silicon rubber and has the flame-retardant characteristic; when breaking out of fire; can play the flame-retardant effect; the flame-retardant excellent performance; still can ablation form hard containment vessel even surpass the fire endurance burning; containment vessel can prevent that flame from further extending to busbar; thereby protection is positioned at the busbar of ceramic silicon rubber insulating foam layer not to be damaged; guarantee the normal usage function of busbar, improved the fail safe of product.
Description of drawings
Fig. 1 is the first embodiment cross section structure schematic diagram of the intensive insulation bus slot of the utility model;
Fig. 2 is the busbar cross section structure schematic diagram of intensive insulation bus slot shown in Figure 1;
Fig. 3 is the busbar cross section structure schematic diagram of the second embodiment of the intensive insulation bus slot of the utility model;
Fig. 4 is the busbar cross section structure schematic diagram of the 3rd embodiment of the intensive insulation bus slot of the utility model.
In figure: busbar protecting crust 10, busbar 20/20 '/20 ' ', busbar conductor 21, insulating barrier 22, inner insulating layer 23, external insulation layer 24, ceramic silicon rubber heat-insulation layer 30.
Embodiment
, by describing technology contents of the present utility model, modular construction in detail, being realized purpose and effect, below in conjunction with accompanying drawing, be explained in detail.
See also Fig. 1 and Fig. 2, it has disclosed the first embodiment of the intensive insulation bus slot of the utility model, comprise busbar protecting crust 10 and be arranged at the interior some busbars 20 of this busbar protecting crust 10, busbar 20 comprises busbar conductor 21 and coats the insulating barrier 22 of this busbar conductor 21, some busbars 20 parallel next-door neighbour side by side arrange, these side by side the busbar 20 that arranges of parallel next-door neighbour be coated with ceramic silicon rubber heat-insulation layer 30.
Preferably, described insulating barrier 22 is that the heat-shrinkable T bush thermal shrinkable sleeve forms at busbar conductor 21.Heat-shrinkable T bush can play the insulated enclosure protective action to the busbar conductor.
Preferably, described busbar conductor 21 is coated with insulating varnish.
Compared with prior art; ceramic silicon rubber heat-insulation layer 30 has heat insulation function; and have ceramic silicon rubber and have the flame-retardant characteristic; when breaking out of fire; can play the flame-retardant effect; the flame-retardant excellent performance; still can ablation form hard containment vessel even surpass the fire endurance burning; containment vessel can prevent that flame from further extending to busbar 20; thereby protection is positioned at the busbar 20 of ceramic silicon rubber heat-insulation layer 30 not to be damaged; guarantee the normal usage function of busbar, improved the fail safe of product.
Preferably, described ceramic silicon rubber heat-insulation layer 30 is ceramic silicon rubber insulating foam layer.Ceramic silicon rubber insulating foam layer is preferably formed by the material mixture ratio manufacturing of 60~100 parts, silicon rubber, 20~100 parts of silicon dioxide, 1~20 part of silicone oil, 0.1~10 part of coupling agent, 20~120 parts of Vitrified powders, 10~35 parts of blowing agents, 1~10 part of blowing promotor, 5~30 parts of components of fire retardant.Certainly, ceramic silicon rubber insulating foam layer 30 can also be wound around and be formed by ceramic silicon rubber foaming composite band.The manufactured materials of ceramic silicon rubber foaming composite band is identical with ceramic silicon rubber insulating foam layer.
Compared with prior art, the characteristics such as the ceramic silicon rubber insulating foam layers in busbar protecting crust 10 have that density is little, quality is light, heat insulation, insulation, this can stop external high temperature to conduct to busbar 20 inside, guarantees the normal usage function of busbar 20.When breaking out of fire; external high temperature is protected the unlikely temperature of busbar 20 in ceramic silicon rubber insulating foam layer and is raise due to the heat insulating function of ceramic silicon rubber insulating foam layer; avoid the phenomenons such as short circuit that raise and bring because of busbar 20 temperature, guarantee the normal operation of busbar 20.
The characteristics such as the ceramic silicon rubber insulating foam layers in busbar protecting crust 10 have not only that the density that common expanded material has is little, quality is light, heat insulation, insulation, stop external high temperature to conduct to busbar inside, guarantees the normal usage function of busbar; And have ceramic silicon rubber and have the flame-retardant characteristic; can play the flame-retardant effect; the flame-retardant excellent performance; still can ablation form hard containment vessel even surpass the fire endurance burning; containment vessel can stop that flame further extends to busbar 20; thereby protection is positioned at the busbar 20 of ceramic silicon rubber insulating foam layer not to be damaged, and guarantees the normal usage function of busbar 20, improves fail safe, stability and the useful life of intensive insulation bus slot.
See also Fig. 3, it has disclosed the second embodiment of the intensive insulation bus slot of the utility model, the present embodiment and the first embodiment are similar, its difference is: as the optimization of such scheme, also be provided with an inner insulating layer 23 between the busbar conductor 21 of busbar 20 ' and insulating barrier 22, described inner insulating layer 23 is insulated tube or insulating tape., owing to increasing inner insulating layer 23, further strengthened the insulated enclosure protection dynamics of busbar conductor 21.Insulated tube can be heat-shrinkable T bush.Insulating tape can be ceramic silicon rubber composite band.
See also Fig. 4, it has disclosed the 3rd embodiment of the intensive insulation bus slot of the utility model, and the present embodiment and the first embodiment are similar, and its difference is: insulating barrier 22 is outer also is coated with an external insulation layer 24, and described external insulation layer 24 is insulated tube or insulating tape., owing to increasing external insulation layer 24, further strengthened the insulated enclosure protection dynamics of busbar conductor 21.Insulated tube can be heat-shrinkable T bush.Insulating tape can be ceramic silicon rubber composite band.
The 5th embodiment and first embodiment of the intensive insulation bus slot of the utility model are similar, and its difference is: insulating barrier 22 is the ceramic silicone rubber insulation layer.Further, the ceramic silicone rubber insulation layer preferably is wound around and is formed by a ceramic silicon rubber composite band at least, can be wound around multi-layer ceramics SiClx rubber composite belt, for example can be wound around as required 2 layers, 3 layers, 4 layers or 5 layers of porcelain SiClx rubber composite belt, the number of plies is not limited to this number certainly.Certainly, the ceramic silicone rubber insulation layer can also extrude formation for ceramic silicon rubber on busbar conductor 21.
The ceramic silicone rubber insulation layer can play the flame-retardant effect; the flame-retardant excellent performance; still can ablation form hard containment vessel even surpass the fire endurance burning; containment vessel can prevent that flame from further extending to busbar conductor 21; thereby protection is positioned at the busbar conductor 21 of ceramic silicone rubber insulation layer not to be damaged; guarantee the normal usage function of busbar 20, improved the fail safe of product.
Further optimization as such scheme, also be provided with an inner insulating layer between busbar conductor 21 and insulating barrier 22, or insulating barrier 22 is outer also is coated with an external insulation layer, or with inner insulating layer and external insulation layer, inner insulating layer and external insulation layer are insulated tube or insulating tape.Insulated tube can be heat-shrinkable T bush.Insulating tape can be ceramic silicon rubber composite band.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art that also can make multiple variation accordingly, but any and the utility model are equal to or similar variation all should be encompassed in the scope of the utility model claim.