CN112490964A - Fire prevention nonmetal cable testing bridge - Google Patents
Fire prevention nonmetal cable testing bridge Download PDFInfo
- Publication number
- CN112490964A CN112490964A CN202011243297.6A CN202011243297A CN112490964A CN 112490964 A CN112490964 A CN 112490964A CN 202011243297 A CN202011243297 A CN 202011243297A CN 112490964 A CN112490964 A CN 112490964A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- side plates
- casting
- optical fiber
- temperature sensing
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
Abstract
The invention discloses a fireproof nonmetal cable bridge, which comprises a temperature sensing optical fiber, a pouring layer and a groove-shaped bridge, wherein: the groove-shaped bridge frame is provided with a bottom plate and two side plates, the two side plates are arranged on two sides of the bottom plate in parallel along the length direction of the bottom plate, a pouring layer is poured on the bottom plate, the pouring layer and the two side plates form an opening accommodating groove, and the opening accommodating groove is used for accommodating a cable; the temperature sensing optical fiber is embedded in the pouring layer along the length direction of the opening accommodating groove. According to the fireproof nonmetal cable bridge provided by the invention, the temperature sensing optical fiber is embedded in the pouring layer and is connected with the external temperature demodulator, so that the real-time temperature and temperature change conditions of each point on the cable bridge can be monitored in real time, and an alarm is given and accurate positioning is carried out when abnormality is found; the casting layer can not be burnt and has a fireproof function; the temperature sensing optical fiber is pre-buried in the pouring layer, so that the labor intensity of cable laying workers is reduced, and the cable bridge is convenient to reuse.
Description
Technical Field
The invention relates to the technical field of cable bridges, in particular to a fireproof nonmetal cable bridge.
Background
The cable bridge frame is divided into the following components according to the materials: the two major categories of metal and nonmetal are divided into: the cable bridge comprises a groove type cable bridge, a tray type cable bridge, a step type cable bridge, a combined cable bridge, a large-span cable bridge, a novel bolt-free cable bridge and the like. Nonmetal cable bridge frame, abbreviated as distinct frame. The new glass fiber reinforced plastic cable bridge frame selects flame-retardant synthetic resin as an adhesive and glass fiber as a reinforcing material, has high corrosion resistance and electrical insulation performance, and has the excellent characteristics of light weight, high strength, good flame retardance, bright and beautiful color, reliable use and the like. The method is suitable for chemical engineering, mines and salt spray corrosion areas; by adopting the glass fiber reinforced plastic cable bridge, a large amount of steel can be saved, a lot of maintenance cost can be saved, the labor intensity is reduced, and the service life of the cable is prolonged. However, in some existing nonmetal cable bridges, cables are laid in various cable bridges, after the cables are put into use, if a certain section of cable laid in the cable bridge is in a fire due to a short circuit, managers cannot find out the section of cable in which the fire occurs in time, which can bring serious harm, and some temperature sensing optical fibers are laid at the bottom or the side of the cable bridge to sense the temperature of each place, so that the temperature of which place is higher is judged, but the temperature sensing optical fibers are laid at the bottom or the side of the cable bridge, so that the cable laying space is occupied, the labor intensity of related cable laying workers is increased, and when the cables need to be replaced and detached, the temperature sensing optical fibers need to be taken down together, and the working intensity of the workers is increased.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a fireproof nonmetal cable bridge.
The invention provides a fireproof nonmetal cable bridge, which comprises a temperature sensing optical fiber, a pouring layer and a groove-shaped bridge, wherein:
the groove-shaped bridge frame is provided with a bottom plate and two side plates, and the two side plates are arranged on two sides of the bottom plate in parallel along the length direction of the bottom plate;
the pouring layer is poured on the bottom plate, the temperature sensing optical fibers are embedded in the pouring layer along the length direction of the opening containing grooves, the pouring layer and the two side plates form the opening containing grooves, and the opening containing grooves are used for containing cables.
As a further optimized scheme of the invention, the temperature sensing optical fibers are distributed in the casting layer in an S shape.
As a further optimized scheme of the invention, the outer side of the temperature sensing optical fiber is provided with a sleeve.
As a further optimized scheme of the invention, the pouring layer is provided with air holes which extend into the sleeve.
As a further optimized proposal of the invention, the inner diameter of the sleeve is larger than the outer diameter of the temperature sensing optical fiber.
As a further optimized scheme of the invention, the air holes are provided with dustproof meshes.
As a further optimized scheme of the invention, the pouring device further comprises two pouring side plates, wherein the two pouring side plates are respectively arranged on two sides of the bottom plate along the width direction of the bottom plate, the pouring side plates, the bottom plate and the side plates form a pouring groove, and the pouring layer is positioned in the pouring groove.
As a further optimized scheme of the invention, the bottom plate is provided with a reinforcing rib.
As a further optimized scheme of the invention, the reinforcing ribs comprise a plurality of groups of transverse reinforcing ribs and a plurality of groups of longitudinal reinforcing ribs, and the longitudinal reinforcing ribs and the transverse reinforcing ribs are arranged in a staggered manner.
According to the fireproof nonmetal cable bridge, the temperature sensing optical fiber is embedded in the pouring layer and connected with the external temperature demodulator, so that the real-time temperature and temperature change conditions of each point on the cable bridge can be monitored in real time, and an alarm is given and accurate positioning is carried out when abnormality is found; the casting layer can not be burnt and has a fireproof function; the temperature sensing optical fiber is pre-buried in the pouring layer, so that the labor intensity of cable laying workers is reduced, and the cable bridge is convenient to reuse.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural diagram of the present invention before casting a casting layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
A fire-proof non-metal cable bridge as shown in fig. 1-3, which is characterized by comprising a temperature sensing optical fiber 1, a casting layer 2 and a groove-shaped bridge 3, wherein:
the groove-shaped bridge frame 3 is provided with a bottom plate 30 and two side plates 31, the two side plates 31 are arranged on two sides of the bottom plate 30 in parallel along the length direction of the bottom plate 30, and the bottom plate 30 and the side plates 31 can be integrally formed;
be equipped with strengthening rib 8 on bottom plate 30, strengthening rib 8 includes horizontal strengthening rib 80 of a plurality of groups and the vertical strengthening rib 81 of a plurality of groups, vertical strengthening rib 81 and the crisscross setting each other of horizontal strengthening rib 80, still include two blocks of pouring curb plates 7, two blocks of pouring curb plates 7 establish the both sides at bottom plate 30 respectively along bottom plate 30' S width direction, pouring curb plate 7, bottom plate 30 and curb plate 31 form the pouring basin, 1 covers of temperature sensing optic fibre are established in sleeve pipe 5, temperature sensing optic fibre 1 is the S form and lays on the pouring basin bottom, 2 pouring of pouring layer are in the pouring basin, 2 pouring of pouring layer are back in the pouring basin, 1 pre-buried in pouring layer 2 of temperature sensing optic fibre, pouring layer 2 can be for concrete pouring layer 2, pouring layer 2 and two curb plates 31 form opening holding tank 4, opening holding.
The casting layer 2 is provided with air holes 20, the air holes 20 extend into the sleeve 5, the inner diameter of the sleeve 5 is larger than the outer diameter of the temperature sensing optical fiber 1, and the air holes 20 are provided with dust-proof meshes 6.
In the working process of the embodiment, the temperature sensing optical fiber 1 is connected with an external temperature demodulator (not shown in the figure), and only the cable is laid in the opening accommodating groove 4, and when the temperature of the cable changes, the temperature is transmitted to the temperature sensing optical fiber 1 in a heat transfer mode, so that the real-time temperature and temperature change conditions of each point on a cable bridge can be monitored in real time, and an alarm is given and accurate positioning is carried out when abnormality is found; the casting layer 2 is not burnt and has a fireproof function.
In this embodiment, preferably, the temperature-sensitive optical fibers 1 are distributed in the casting layer 2 in an S-shape, so as to increase the contact area between the temperature-sensitive optical fibers 1 and the cable in the opening accommodating groove 4, and further increase the temperature-sensitive effect.
In the present embodiment, a sleeve 5 is preferably provided outside the temperature-sensitive optical fiber 1 to protect the temperature-sensitive optical fiber 1.
In the present embodiment, it is preferable that the casting layer 2 is provided with the ventilation hole 20, the ventilation hole 20 extends into the sleeve 5, and the effect of the temperature transmission of the air is greater than the effect of the temperature transmission of the casting layer 2, thereby facilitating the heat transmission of the temperature change in the opening accommodating groove 4 to the temperature sensitive optical fiber 1 in the sleeve 5.
In this embodiment, it is preferable that the inner diameter of the sleeve 5 is larger than the outer diameter of the temperature sensing optical fiber 1, so that it is convenient to install the temperature sensing optical fiber 1 and to transmit the temperature to the temperature sensing optical fiber 1.
In this embodiment, the ventilation holes 20 are preferably provided with a dust-proof mesh 6 to prevent large foreign matters from blocking the ventilation holes, thereby increasing the sensitivity of the temperature sensing optical fiber 1 to temperature sensing.
In this embodiment, it is preferred, still include two pouring curb plates 7, pouring curb plate 7 highly be less than the height of curb plate 31, and two pouring curb plates 7 are established respectively in the both sides of bottom plate 30 along the width direction of bottom plate 30, and pouring curb plate 7, bottom plate 30 and curb plate 31 form the pouring basin, and pouring layer 2 is located the pouring basin, and when placing pouring layer 2, pouring liquid flows out from the opening part of the both sides of opening holding tank 4.
In the present embodiment, it is preferable that the bottom plate 30 is provided with the reinforcing ribs 8, and on the one hand, the reinforcing ribs 8 reinforce the strength of the bottom plate 30.
In this embodiment, it is preferable that the reinforcing rib 8 includes a plurality of sets of transverse reinforcing ribs 80 and a plurality of sets of longitudinal reinforcing ribs 81, the longitudinal reinforcing ribs 81 and the transverse reinforcing ribs 80 are arranged in a staggered manner, the temperature sensing optical fiber 1 is laid on the reinforcing rib 8, the strength of the bottom plate 30 is enhanced, and meanwhile, the connection area between the temperature sensing optical fiber 1 and the casting layer is increased, and the stability is increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a fire prevention nonmetal cable testing bridge which characterized in that, includes temperature sensing optic fibre (1), pouring layer (2) and cell type crane span structure (3), wherein:
the groove-shaped bridge (3) is provided with a bottom plate (30) and two side plates (31), the two side plates (31) are arranged on two sides of the bottom plate (30) in parallel along the length direction of the bottom plate (30), the pouring layer (2) is poured on the bottom plate (30), the pouring layer (2) and the two side plates (31) form an opening accommodating groove (4), and the opening accommodating groove (4) is used for accommodating cables;
the temperature sensing optical fiber (1) is embedded in the casting layer (2) along the length direction of the opening accommodating groove (4).
2. The fire-proof non-metallic cable tray of claim 1, wherein the temperature-sensitive optical fibers (1) are distributed in the casting layer (2) in an S-shape.
3. The fire-proof non-metallic cable tray as claimed in claim 1, wherein a sleeve (5) is provided on the outside of the temperature sensing optical fiber (1).
4. The fireproof non-metallic cable tray of claim 3, wherein the casting layer (2) is provided with air holes (20), and the air holes (20) extend into the sleeve (5).
5. The fire-proof non-metallic cable tray of claim 4, wherein the inner diameter of the sleeve (5) is larger than the outer diameter of the temperature sensitive optical fiber (1).
6. The fireproof non-metallic cable tray of claim 4, wherein the air holes (20) are provided with dust-proof mesh sheets (6).
7. The fireproof nonmetal cable bridge of claim 1, further comprising two casting side plates (7), wherein the two casting side plates (7) are respectively arranged on two sides of the bottom plate (30) along the width direction of the bottom plate (30), the casting side plates (7), the bottom plate (30) and the side plates (31) form a casting groove, and the casting layer (2) is positioned in the casting groove.
8. The fire-resistant non-metallic cable tray of claim 1, wherein the base plate (30) is provided with reinforcing ribs (8).
9. The fire-proof non-metallic cable tray of claim 8, wherein the ribs (8) comprise a plurality of sets of transverse ribs (80) and a plurality of sets of longitudinal ribs (81), the longitudinal ribs (81) and the transverse ribs (80) being staggered with respect to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243297.6A CN112490964A (en) | 2020-11-10 | 2020-11-10 | Fire prevention nonmetal cable testing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243297.6A CN112490964A (en) | 2020-11-10 | 2020-11-10 | Fire prevention nonmetal cable testing bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112490964A true CN112490964A (en) | 2021-03-12 |
Family
ID=74929348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011243297.6A Pending CN112490964A (en) | 2020-11-10 | 2020-11-10 | Fire prevention nonmetal cable testing bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112490964A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204290186U (en) * | 2014-10-28 | 2015-04-22 | 长沙亚明电子科技发展有限公司 | A kind of fireproof bridge frame |
| CN204554068U (en) * | 2015-04-24 | 2015-08-12 | 新乡学院 | A kind of fire-resistant trough type bridge frame |
| CN204668862U (en) * | 2015-05-14 | 2015-09-23 | 无锡市越众机电工程有限公司 | Photovoltaic plant DC electrical fireproof monitoring wire casing |
| CN105896416A (en) * | 2016-04-29 | 2016-08-24 | 镇江华源晋昌电器有限公司 | Cable bridge |
| CN108879520A (en) * | 2018-08-04 | 2018-11-23 | 宣城艾驰安信息科技有限公司 | Gantry is used in a kind of construction of Computer Network Project |
| CN111130033A (en) * | 2019-12-26 | 2020-05-08 | 安徽华瑞桥架有限公司 | Fire-resistant cable bridge |
-
2020
- 2020-11-10 CN CN202011243297.6A patent/CN112490964A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204290186U (en) * | 2014-10-28 | 2015-04-22 | 长沙亚明电子科技发展有限公司 | A kind of fireproof bridge frame |
| CN204554068U (en) * | 2015-04-24 | 2015-08-12 | 新乡学院 | A kind of fire-resistant trough type bridge frame |
| CN204668862U (en) * | 2015-05-14 | 2015-09-23 | 无锡市越众机电工程有限公司 | Photovoltaic plant DC electrical fireproof monitoring wire casing |
| CN105896416A (en) * | 2016-04-29 | 2016-08-24 | 镇江华源晋昌电器有限公司 | Cable bridge |
| CN108879520A (en) * | 2018-08-04 | 2018-11-23 | 宣城艾驰安信息科技有限公司 | Gantry is used in a kind of construction of Computer Network Project |
| CN111130033A (en) * | 2019-12-26 | 2020-05-08 | 安徽华瑞桥架有限公司 | Fire-resistant cable bridge |
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Application publication date: 20210312 |
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| RJ01 | Rejection of invention patent application after publication |