CN210074712U - Fireproof bus duct - Google Patents
Fireproof bus duct Download PDFInfo
- Publication number
- CN210074712U CN210074712U CN201921166578.9U CN201921166578U CN210074712U CN 210074712 U CN210074712 U CN 210074712U CN 201921166578 U CN201921166578 U CN 201921166578U CN 210074712 U CN210074712 U CN 210074712U
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- bus duct
- endotheca
- mounting
- fire
- fireproof
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Abstract
The utility model discloses a fire prevention type bus duct, including shell and mounting, the shell includes overcoat, endotheca and presss from both sides and fills fire prevention high temperature resistant material layer between overcoat and the endotheca, the mounting is installed in the endotheca, the mounting with be formed with a plurality of air isolation regions between the endotheca inner wall, set up a plurality of hole grooves of installing electrically conductive female arranging on the mounting. This design simple structure is compact, and installation transportation is convenient, and the occupation space is little, and fire behavior is superior, and the radiating effect of self is good simultaneously, does not influence electrically conductive current-carrying capacity.
Description
Technical Field
The utility model relates to an electrical accessories technical field specifically is a fire prevention type bus duct.
Background
The enclosed bus duct is a bus system composed of metal plate (steel plate or aluminium plate) as protective shell, conducting bar, insulating material and related accessories. It can be made into plug-in type closed bus with plug-in junction boxes at intervals, or made into feed type closed bus without junction box in the middle.
Along with the development of society, high-rise buildings are increasing day by day, the requirement of fire-fighting equipment is higher and higher, and the existing bus duct can not meet the requirement on fire resistance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming that prior art mentioned, the utility model provides a bus duct that fire behavior is good.
The utility model provides an adopted technical scheme of its technical problem does: the utility model provides a fire prevention type bus duct, includes shell and mounting, the shell includes overcoat, endotheca and presss from both sides and fills fire prevention high temperature resistant material layer between overcoat and the endotheca, the mounting is installed in the endotheca, the mounting with be formed with a plurality of air isolation regions between the endotheca inner wall, set up a plurality of hole grooves of installing electrically conductive female arranging on the mounting.
The fireproof high-temperature-resistant material layer is formed by stacking a plurality of layers of fireproof high-temperature-resistant materials made of different materials, the fireproof material is usually an inorganic material capable of resisting the temperature of more than 1580 ℃, and the fireproof material is generally prepared by taking quartz sand, clay, magnesite, dolomite and the like as raw materials.
In order to improve the actual fireproof performance of the bus duct, a fireproof coating layer can be coated on the outer surface of the outer sleeve, and/or a fireproof coating layer can be coated on the inner surface of the inner sleeve, and meanwhile, the middle fireproof high-temperature-resistant material layer can also be thickened. The fireproof high temperature resistant coating technology is roughly divided into two series, namely an organic series and an inorganic series, wherein the organic series of high temperature resistant coatings mostly use organic silicon as a carrier, the highest temperature of the organic series of high temperature resistant coatings generally cannot exceed 400 ℃, carbonization or softening can occur when the highest temperature of the organic series of high temperature resistant coatings exceeds the temperature, the inorganic series of high temperature resistant coatings can bear the high temperature of at least 1000 ℃, the coating can resist the temperature of 1500 ℃ or even higher, the thermal conductivity coefficient of the coating is 0.06w/m & ltk & gt after the test of a Yunnan university material system, the application is wide, the thin coating can play a good role in oxidation resistance and corrosion resistance, and the thick coating can play a good role in oxidation resistance and corrosion resistance and also can play a role in heat insulation and heat preservation. The coating can be used as coating materials of ceramics, glass, metal and the like, and can be widely applied to various industrial fields of metallurgical kilns, quartz heating pipe white plating, coating of anti-erosion corrosion abrasion coating of powder making systems of coal-fired power plants, carbon deposition prevention of spark plugs of automobile engines, steel marks, toughened glass LOGO marks, high-temperature resistant glass printing ink, aerospace and the like.
The sections of the outer sleeve and the inner sleeve are both circular.
The fixing piece is provided with a plurality of hole grooves for installing the conductive busbar, the hole grooves are uniformly arranged at intervals and are parallel to each other for horizontal alignment, and each hole groove is also internally provided with a circle of insulating layer for wrapping the conductive busbar.
The cross-section of mounting is regular polygon, each end angle department of mounting still is equipped with the connection the connecting block of shell inner wall, each the connecting block is equipped with the cooperation the radian of endotheca inner wall, the connecting block adopts elastic material to make.
The fixing piece is made of insulating materials, such as bakelite, plastic, ceramics and the like.
The outer sleeve and the inner sleeve are made of metal materials, such as steel or other metal materials, and the like, so that the strength is high, the rigidity is sufficient, the deformation is not easy, and other hard polymer materials can be selected.
Still including connecting terminal, connecting terminal set up in the both ends of shell to electrical connection the female arranging of electrically conducting.
The dustproof cover is connected with two ends of the shell.
The utility model has the advantages that: this design simple structure is compact, and installation transportation is convenient, and the occupation space is little, and fire behavior is superior, and the radiating effect of self is good simultaneously, does not influence electrically conductive current-carrying capacity.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a front view of the structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A fireproof bus duct comprises a shell 1 and a fixing piece 2, as shown in figures 1 and 2, wherein the shell comprises an outer sleeve 11, an inner sleeve 12 and a fireproof and high-temperature-resistant material layer 13 clamped between the outer sleeve 11 and the inner sleeve 12, the sections of the outer sleeve 11 and the inner sleeve 12 are both circular, the outer sleeve 11, the inner sleeve 12 and the fireproof and high-temperature-resistant material layer 13 form a cylindrical pipe body, and the pipe body can be in a straight line section or other bus duct accessory shapes (various bends and the like), standard pieces or nonstandard pieces and the like; the outer sleeve 11 and the inner sleeve 12 are made of metal materials, can be made of steel or other metal materials, and are high in strength, sufficient in rigidity, not easy to deform, and other hard polymer materials can be selected; the fixing piece 2 is installed in the inner sleeve 12, a plurality of air isolation areas 4 are formed between the fixing piece 2 and the inner wall of the inner sleeve 12, a plurality of hole grooves provided with conductive busbars 3 are formed in the fixing piece 2, and the conductive busbars 3 are installed in the hole grooves. The conductive busbar 3 can be a common busbar such as a copper bar or aluminum, and the like, so that the busbar is actually protected by three layers, the structure is sufficient and firm, the service life is long, and the busbar is not easy to deform.
In order to improve the actual fire behavior of bus duct, can the surface coating of overcoat 11 has one deck fire prevention coating layer the internal surface coating of endotheca 12 has one deck fire prevention coating layer, also can thicken middle fire prevention high temperature resistant material layer 13 simultaneously, fire prevention high temperature resistant material layer 13 can be piled up by the fire prevention high temperature resistant material of the different materials of multilayer and form.
The fixing part 2 is provided with a plurality of hole grooves for installing the conductive busbar 3, all the hole grooves are arranged at even intervals, and each hole groove is also internally provided with a circle of insulating layer 5 for wrapping the conductive busbar.
The cross-section of mounting 2 is regular polygon, each end angle department of mounting 2 still is equipped with the connection piece 21 of connecting the shell inner wall, each connection piece 21 is equipped with the cooperation the radian of endotheca 12 inner wall, connection piece 21 adopts elastic material to make. The bus duct has the advantages that the space among the bus ducts is large, the heat dissipation is uniform, the overload capacity is high, the vibration is small, the noise is low, and particularly for two busbars (copper bars) in the middle position, the good heat dissipation environment of the bus duct improves the conductive balance performance of the bus duct.
The fixing member 2 is made of an insulating material, such as bakelite, plastic, ceramic, or the like.
This application fire prevention type bus duct still can be including connecting terminal 6, connecting terminal set up in the both ends of shell, and electrical connection electrically conductive female arranging.
This application fire prevention type bus duct still can be including the shield of the leakproofness of standard, the shield is connected the both ends of shell satisfy holistic waterproof dustproof requirement.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope covered by the present invention.
Claims (8)
1. The utility model provides a fire prevention type bus duct, its characterized in that includes shell and mounting, the shell includes overcoat, endotheca and presss from both sides and fills fire prevention high temperature resistant material layer between overcoat and the endotheca, the mounting is installed in the endotheca, the mounting with be formed with a plurality of air isolation regions between the endotheca inner wall, set up a plurality of hole grooves of installing electrically conductive female arranging on the mounting.
2. The fireproof bus duct of claim 1, wherein the fireproof and high-temperature-resistant material layer is formed by stacking a plurality of layers of fireproof and high-temperature-resistant materials made of different materials.
3. A fire-resistant bus duct as in claim 1, wherein the outer surface of said outer jacket is coated with a layer of fire-resistant paint.
4. A fire-resistant bus duct as in claim 1, wherein the inner surface of said inner sleeve is coated with a layer of fire-resistant paint.
5. The fireproof bus duct of claim 1, wherein the sections of the outer sleeve and the inner sleeve are both circular.
6. The fireproof bus duct according to claim 1, wherein all the holes are uniformly arranged at intervals, and a circle of insulating layer wrapping the conductive busbar is further arranged in each hole.
7. The fireproof bus duct according to any one of claims 1, 5 or 6, wherein the cross section of the fixing member is a regular polygon, each corner of the fixing member is further provided with a connecting block connected with the inner wall of the outer shell, each connecting block is provided with a radian matched with the inner wall of the inner sleeve, and the connecting block is made of an elastic material.
8. A fire-resistant bus duct according to claim 1, wherein said outer and inner sleeves are made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166578.9U CN210074712U (en) | 2019-07-23 | 2019-07-23 | Fireproof bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166578.9U CN210074712U (en) | 2019-07-23 | 2019-07-23 | Fireproof bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210074712U true CN210074712U (en) | 2020-02-14 |
Family
ID=69429592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166578.9U Active CN210074712U (en) | 2019-07-23 | 2019-07-23 | Fireproof bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210074712U (en) |
-
2019
- 2019-07-23 CN CN201921166578.9U patent/CN210074712U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220811 Address after: 510623 Room 1010, No. 30, Huaxia Road, Tianhe District, Guangzhou City, Guangdong Province (Part B) Patentee after: Guangzhou Chaoshi Technology Co.,Ltd. Address before: 510000 Ninety-fourth Floor, 76 Yuehua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: Hu Yi |
|
| TR01 | Transfer of patent right |