CN203932912U - Fireproof bus duct - Google Patents
Fireproof bus duct Download PDFInfo
- Publication number
- CN203932912U CN203932912U CN201420263141.8U CN201420263141U CN203932912U CN 203932912 U CN203932912 U CN 203932912U CN 201420263141 U CN201420263141 U CN 201420263141U CN 203932912 U CN203932912 U CN 203932912U
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- CN
- China
- Prior art keywords
- plate
- bus duct
- recessed groove
- busbar
- fire
- 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.)
- Expired - Fee Related
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Abstract
Fireproof bus duct, upper cover plate comprises with bent plate in the heat conduction of recessed groove and the heating panel above recessed groove, heating panel is provided with louvre, above heating panel, be provided with top cover, between top cover and heating panel, form certain seal cavity, lower cover comprises the base plate with bent plate under the heat conduction of arching upward and the bottom of arching upward, recessed groove and arching upward is all embedded between outer panel, recessed groove and arch upward between be provided with busbar, the busbar left and right sides is provided with interior plate, on have fire safe type cross-over block, between each interior plate and corresponding outer panel, recessed groove and arch upward in be equipped with fire-resistant aluminium silicate wool felt and refractory slab, the coated mica tape in conducting strip outside of busbar.The utility model, the heat that busbar produces can be shed in time, avoids busbar due to high temperature spontaneous combustion, extends the useful life of bus duct; This bus duct has good fire resistance simultaneously, even if extraneous breaking out of fire can not be burned to busbar yet, bus duct still can normal power supply.
Description
Technical field
The utility model relates to fireproof bus duct, belongs to transmission facility field.
Background technology
Along with the develop rapidly in city, skyscraper is more and more, and in skyscraper, densely populated phenomenon is obvious, and power load sharply increases, and power load increases must bring disaster hidden-trouble, prevents having great importance of electricity consumption fire.Refractory busbar in the market is mainly comprised of fire-resistant aluminium silicate wool felt and fireproof paint, so only focuses on the fire resistance of bus, but has ignored its heat dispersion.The fireproof bus duct of this type is widely used in the key projects such as electric power conveying route of fire-fighting equipment, if bus duct does not possess necessary heat dispersion, once the high temperature that the connection busbar in bus duct produces can not leave in time, just probably cause fire, very large at power consumption, in densely populated building building, will bring very serious loss.
Traditional bus duct fire protecting performance is poor, structure is upper cover plate, lower cover and side plate, be fixedly connected to form external shell, busbar is fixed in housing, and upper cover plate and lower cover are slab construction, bus duct internal heat is difficult to scatter and disappear out, busbar is short useful life, and the heat on single opposite conduction row can not be discharged in time, reaches certain high temperature, will there is spontaneous combustion in bus duct, cause fire; Meanwhile, current bus duct fire protecting performance is poor, in fire, is easy to be ignited by fire, causes power failure, brings very large obstacle to relief fire.
Summary of the invention
In order to solve the problem of above-mentioned existence, the utility model discloses a kind of fireproof bus duct, in use, the heat that busbar produces can be shed this bus duct in time, avoids busbar due to high temperature spontaneous combustion, extends the useful life of bus duct; Simultaneously this bus duct has good fire resistance, even if extraneous breaking out of fire can not be burned to busbar yet, bus duct still can normal power supply, and the scope of application is wider.
Fireproof bus duct, comprise upper cover plate, lower cover and two outer panels, outer panel is " [" shape, equal 90 ° of the two ends of outer panel are bent to form outer flanging, the outer flanging of each outer panel is fixed with parallel upper cover plate and lower cover respectively, between two outer panels, be provided with busbar, described upper cover plate comprises bent plate in one-time formed heat conduction, in heat conduction, the centre of bent plate is bent to form flat depression groove, the sidewall of recessed groove and bottom vertical, the top of recessed groove is provided with the top cover raising up, below top cover, be provided with the heating panel that is laid in recessed groove opening part, louvre is distributing on heating panel, in recessed groove, fill fire-resistant aluminium silicate wool felt, the lower surface of heating panel is laid refractory slab,
Described lower cover comprises bent plate under one-time formed heat conduction, and under heat conduction, the centre of bent plate is bent to form flat-top and arches upward, and the sidewall arching upward is vertical with top, and the bottom of arching upward is provided with base plate, the fire-resistant aluminium silicate wool felt of the middle filling of arching upward, base plate be equipped with refractory slab above;
The both sides of described several busbars are side by side respectively arranged with interior plate, the two ends up and down of interior plate are fixed with the bottom of recessed groove and the top of arching upward respectively, between each interior plate and corresponding outer panel, all fill fire-resistant aluminium silicate wool felt, each outer panel inner surface is provided with one deck refractory slab.
The louvre of described heating panel is coated with fireproof paint layer around.
Described busbar is comprised of several conducting strips, and each conducting strip outside is all coated with mica tape.
The two ends up and down of described busbar are respectively equipped with fire safe type cross-over block, and fire safe type cross-over block is placed between two interior plates.
Described each fire safe type cross-over block is fixed by a bolt through two interior plates respectively, and this bolt is simultaneously through fire safe type cross-over block.
Described interior plate be " [" shape, equal 90 ° of the two ends of interior plate are bent to form interior flanging, two interior flangings of each interior plate are adjacent to respectively at the bottom of recessed groove and the top of arching upward, and are all bolted to connection.
Described recessed groove and the sidewall outer surface arching upward are all adjacent to outer panel, and are bolted, and the outer flanging of outer panel is bolted with upper cover plate and lower cover respectively.
The beneficial effects of the utility model:
(1) in heat conduction, under bent plate and heat conduction, bent plate all adopts one-shaping technique to be made, bent plate material uniformity under bent plate and heat conduction in heat conduction, heat conductivility is stable, heat transmission is quick, recessed groove can transmit the heat of bus duct inside out fast with arching upward, and improves the radiating efficiency of bus duct;
(2) when busbar is worked, produce heat, the heat drift that can nature makes progress, on heat, move from louvre and spread out, enter into the space between top cover and heating panel, heat obtains suitable release, the structural design of top cover, not only allow bus duct internal heat have an interim Free up Memory, increase heat to the surface area of outdiffusion simultaneously;
(3) louvre fireproof paint layer around runs into after naked light, will expand and block louvre, avoids the intensity of a fire to spread towards busbar, even extraneous breaking out of fire, the busbar in bus duct still can guarantee not burned, continues stably to work;
(4) on every of busbar conducting strip, be all coated mica tape, mica tape all has fire-retardant effect, further improve fire protecting performance, the fire safe type cross-over block at the upper and lower two ends of busbar, and the fire-resistant aluminium silicate wool felt of busbar surrounding, busbar surrounding is surrounded, play good fireproofing function;
(5) refractory slab is arranged on the surrounding of bus duct inside, is first fire compartment wall, can effectively stop the intensity of a fire to bus duct diffusion inside.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Reference numerals list: 1-upper cover plate, bent plate in 1-1-heat conduction, 1-2-recessed groove, 1-3-top cover, 1-4-heating panel, 1-5-louvre, 2-lower cover, bent plate under 2-1-heat conduction, 2-2-arching upward, 2-3-base plate, 3-outer panel, 3-1-outer flanging, 4-busbar, 5-fire-resistant aluminium silicate wool felt, 6-refractory slab, 7-interior plate, 7-1-interior flanging, 8-mica tape, 9-fire safe type cross-over block, 10-1,10-2,10-3,10-4-bolt.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.Should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.
Visible by reference to the accompanying drawings, the upper cover plate 1 of the utility model bus duct and lower cover 2 are fixed with the outer flanging 3-1 of parallel two outer panels 3 by bolt 10-4 respectively, in heat conduction, under the recessed groove 1-2 of bent plate 1-1 and heat conduction, the 2-2 that arches upward of bent plate 2-1 is all embedded between two outer panels 3, the sidewall of recessed groove 1-2 and the 2-2 that arches upward is fixing by bolt 10-3 and outer panel 3 respectively, in recessed groove 1-2, fill fire-resistant aluminium silicate wool felt 5, above fire-resistant aluminium silicate wool felt 5, be lined with one deck refractory slab 6, refractory slab 6 is the heating panel 1-4 with louvre 1-5 that covers recessed groove 1-2 opening part above, above heating panel 1-4, be provided with top cover 1-3, between top cover 1-3 and heating panel 1-4, there is certain heat-dissipating space, in top cover 1-3 and heat conduction, bent plate 1-1 is fixing for sealing.Arch upward the bottom of 2-2 be provided with heat conduction under bent plate 2-1 seal fixing base plate 2-3, above base plate 2-3, be lined with one deck refractory slab 6, in refractory slab 6 2-2 that arches upward above, fill full fire-resistant aluminium silicate wool felt 5.Arch upward and be provided with busbar 4 between the top of 2-2 and the bottom of recessed groove 1-2, the both sides of busbar 4 are respectively equipped with interior plate 7, interior plate 7 is fixedly connected with bolt 10-2 with the top of the 2-2 that arches upward and the bottom of recessed groove 1-2 by the interior flanging 7-1 at upper and lower two ends, the two ends up and down of busbar 4 are equipped with fire safe type cross-over block 9, fire safe type cross-over block 9 is fixing by bolt 10-1 and interior plate 7, the inwall of outer panel 3 is equipped with one deck refractory slab 6, fills full fire-resistant aluminium silicate wool felt 5 between refractory slab 6 and interior plate 7.
Busbar 4 is comprised of several conducting strips, and there is mica tape 8 each conducting strip outside all revenge.8 pairs of conducting strips of mica tape play a protective role, and mica tape 8 and fire safe type cross-over block 9 all play insulation and fire-resistant effect.
In heat conduction of the present utility model, bent plate 1-1 adopts one-shaping technique to make, and recessed groove 1-2 extends to bus duct inside, can preferably the heat of bus duct inside be transmitted out, accelerates bus duct heat radiation; Under heat conduction, the principle of bent plate 2-1 is identical with the principle of bent plate 1-1 in heat conduction.
Between heating panel 1-4 and top cover 1-3, form an inner sealing space, the heat that busbar 4 operations produce can rise by nature, and heat radiating via hole 1-5 enters heating panel 1-4 top, and heat is discharged, more traditional bus duct, and radiating effect is faster.
Fire-resistant aluminium silicate wool felt 5 and refractory slab 6 are filled in bus duct from inside to outside, play effective fireproofing function, and protection busbar 4 is not subject to influence of fire.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being comprised of above technical characterictic combination in any.
Claims (7)
1. fireproof bus duct, comprise upper cover plate (1), lower cover (2) and two outer panels (3), outer panel (3) is " [" shape, equal 90 ° of the two ends of outer panel (3) are bent to form outer flanging (3-1), the outer flanging (3-1) of each outer panel (3) is fixing with parallel upper cover plate (1) and lower cover (2) respectively, between two outer panels (3), be provided with busbar (4), it is characterized in that described upper cover plate (1) comprises bent plate in one-time formed heat conduction (1-1), the centre of bent plate in heat conduction (1-1) is bent to form flat depression groove (1-2), sidewall and the bottom vertical of recessed groove (1-2), the top of recessed groove (1-2) is provided with the top cover (1-3) raising up, top cover (1-3) is provided with the heating panel (1-4) that is laid in recessed groove (1-2) opening part below, louvre (1-5) is distributing on heating panel (1-4), in recessed groove (1-2), fill fire-resistant aluminium silicate wool felt (5), the lower surface of heating panel (1-4) is laid refractory slab (6),
Described lower cover (2) comprises bent plate under one-time formed heat conduction (2-1), the centre of bent plate under heat conduction (2-1) is bent to form flat-top arch upward (2-2), the sidewall of (2-2) of arching upward is vertical with top, the arch upward bottom of (2-2) is provided with base plate (2-3), arch upward and fill fire-resistant aluminium silicate wool felt (5) in (2-2), base plate (2-3) be equipped with refractory slab (6) above;
The both sides of described busbar (4) are respectively arranged with interior plate (7), the two ends up and down of interior plate (7) are fixed with the bottom of recessed groove (1-2) and the top of arch upward (2-2) respectively, between each interior plate (7) and corresponding outer panel (3), all fill fire-resistant aluminium silicate wool felt (5), each outer panel (3) inner surface is provided with one deck refractory slab (6).
2. fireproof bus duct according to claim 1, is characterized in that the louvre (1-5) of described heating panel (1-4) is coated with fireproof paint layer around.
3. fireproof bus duct according to claim 1, is characterized in that described busbar (4) is comprised of several conducting strips, and each conducting strip outside is all coated with mica tape (8).
4. fireproof bus duct according to claim 3, is characterized in that the two ends up and down of described busbar (4) are respectively equipped with fire safe type cross-over block (9), and fire safe type cross-over block (9) is placed between two interior plates (7).
5. fireproof bus duct according to claim 4, it is characterized in that described each fire safe type cross-over block (9) is fixing by a bolt (10-1) through two interior plates (7) respectively, this bolt (10-1) is simultaneously through fire safe type cross-over block (9).
6. fireproof bus duct according to claim 5, it is characterized in that described interior plate (7) is " [" shape, equal 90 ° of the two ends of interior plate (7) are bent to form interior flanging (7-1), two interior flangings (7-1) of each interior plate (7) are adjacent to respectively at the bottom of recessed groove (1-2) and the top of (2-2) of arching upward, and all by bolt (10-2), are fixedly connected with.
7. fireproof bus duct according to claim 1, the sidewall outer surface that it is characterized in that described recessed groove (1-2) and arch upward (2-2) is all adjacent to outer panel (3), and fixing by bolt (10-3), the outer flanging (3-1) of outer panel (3) is fixing by bolt (10-4) with upper cover plate (1) and lower cover (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263141.8U CN203932912U (en) | 2014-05-22 | 2014-05-22 | Fireproof bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263141.8U CN203932912U (en) | 2014-05-22 | 2014-05-22 | Fireproof bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203932912U true CN203932912U (en) | 2014-11-05 |
Family
ID=51828667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420263141.8U Expired - Fee Related CN203932912U (en) | 2014-05-22 | 2014-05-22 | Fireproof bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203932912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972833A (en) * | 2014-05-22 | 2014-08-06 | 江苏瑞欧宝电气有限公司 | Fireproof bus duct |
| CN110729689A (en) * | 2019-10-28 | 2020-01-24 | 广东盈丰源机电设备有限公司 | Bus duct |
-
2014
- 2014-05-22 CN CN201420263141.8U patent/CN203932912U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972833A (en) * | 2014-05-22 | 2014-08-06 | 江苏瑞欧宝电气有限公司 | Fireproof bus duct |
| CN110729689A (en) * | 2019-10-28 | 2020-01-24 | 广东盈丰源机电设备有限公司 | Bus duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20200522 |