CN113285406A - Fire protection device for cable bridge connecting section - Google Patents

Fire protection device for cable bridge connecting section Download PDF

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Publication number
CN113285406A
CN113285406A CN202110745918.9A CN202110745918A CN113285406A CN 113285406 A CN113285406 A CN 113285406A CN 202110745918 A CN202110745918 A CN 202110745918A CN 113285406 A CN113285406 A CN 113285406A
Authority
CN
China
Prior art keywords
cable
air bag
connecting section
bridge connecting
movable plate
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.)
Withdrawn
Application number
CN202110745918.9A
Other languages
Chinese (zh)
Inventor
吴猛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Juneng Huachuang Mechanical Equipment Co ltd
Original Assignee
Shenzhen Juneng Huachuang Mechanical Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Juneng Huachuang Mechanical Equipment Co ltd filed Critical Shenzhen Juneng Huachuang Mechanical Equipment Co ltd
Priority to CN202110745918.9A priority Critical patent/CN113285406A/en
Publication of CN113285406A publication Critical patent/CN113285406A/en
Withdrawn legal-status Critical Current

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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
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0608—Joints for connecting non cylindrical conduits, e.g. 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
    • 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
    • H02G3/03—Cooling
    • 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
    • H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
    • 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
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings
    • H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

The invention relates to the technical field of cable equipment and discloses a fireproof device for a cable bridge connecting section, which comprises a bridge connecting section, wherein a cable is fixedly arranged in an inner cavity of the bridge connecting section, an air bag assembly is fixedly arranged outside one end of the cable, and limiting plates are fixedly arranged on the front side and the rear side of the air bag assembly respectively. According to the invention, through arranging the air bag assembly and the movable plate group, carbon dioxide gas in the inner cavity of the air bag assembly is heated to expand, the jacking detection push plates on two sides of the air bag assembly move outwards, and the movable plate group moves backwards under the influence of repulsive force, so that the heat dissipation port is exposed, the inner cavity of the bridge connection section is in cold and hot circulation with the outside, the effect of surface heat dissipation of a cable is achieved, when the inner cavity of the bridge connection section has a spontaneous combustion phenomenon, the air bag assembly instantly expands on the interface of the connection section, the spread of fire is temporarily blocked, the high-temperature burning of flame can burn the surface of the air bag assembly, the carbon dioxide gas in the inner cavity can be instantly pumped out, and the gas extinguishing is carried out on the flame.

Description

Fire protection device for cable bridge connecting section
Technical Field
The invention relates to the technical field of cable equipment, in particular to a fireproof device for a cable bridge connecting section.
Background
The cable bridge is a rigid structure for supporting cables, and mainly comprises a groove type, a tray type or ladder type straight line segment, a bend-through component, a supporting arm, a hanging bracket and the like.
The existing cable bridge is jointed by independent bridge structures and is assembled into a complete cable laying system in sequence, the existing tray type cable bridge is mostly adopted and has good sealing property and dust resistance, a large amount of heat energy is generated when the cable is used, the existing cable bridge structure can not discharge the heat energy in time, the surface heat of the cable is too high, the aging and cracking of the cable surface can be caused for a long time, but the cable is compact and sealed due to the compact structure of the bridge, the operation is inconvenient for workers to overhaul the aged cable, in addition, the cable is centralized to be laid, if the cable is aged, the spontaneous combustion phenomenon can easily occur, when the cable is spontaneously combusted, flame can be rapidly transmitted to other cables and rapidly spread the fire to two sides, the connecting sections of the existing bridge are communicated with each other, and a fire retardant device is not arranged, so that the diffusion of the fire can not be effectively blocked in time, the economic loss of the cable is huge and it also causes the occurrence of building fire.
Disclosure of Invention
Aiming at the defects of the existing cable bridge frame in the use process in the background technology, the invention provides the fireproof device for the connecting section of the cable bridge frame, which has the advantages of automatically detecting the heating and the heat dissipation of a cable, effectively blocking the spread of fire, avoiding the occurrence of a big fire and solving the technical problems in the background technology.
The invention provides the following technical scheme: the utility model provides a fire protection device for cable testing bridge linkage segment, includes the crane span structure linkage segment, the inner chamber fixed mounting of crane span structure linkage segment has the cable conductor, the outside fixed mounting of one end of cable conductor has the gasbag subassembly, both sides fixed mounting respectively has the restriction board around the gasbag subassembly, the one end movable mounting of crane span structure linkage segment has two detection slurcam, two that are located the left and right sides of gasbag subassembly one side fixed mounting that detects the slurcam has a spring, the one end fixed mounting of a spring has the bottom plate that is located the bottom of crane span structure linkage segment, the inner chamber movable mounting of bottom plate has the movable plate group that is located the both sides of crane span structure linkage segment, the one end fixed mounting of movable plate group has No. two springs, the thermovent has been seted up on the both sides surface of crane span structure linkage segment.
Preferably, the shape of the airbag module is rectangular and has elasticity, the inner cavity of the airbag module is uniformly divided into independent cavities, a hole is formed in the middle of the airbag module, the diameter of the hole is consistent with that of the cable, every two adjacent cavities of the airbag module are communicated with each other, and carbon dioxide gas is filled in the cavities.
Preferably, the detection push plate is rectangular in shape and has magnetism.
Preferably, the movable plate groups are uniformly distributed on the surfaces of two sides of the bridge connecting section, every two adjacent movable plate groups are movably connected through a second spring, the movable plate groups are rectangular and have magnetism, and the magnetism of the movable plate groups is the same as that of the detection push plate.
Preferably, the shape of the heat dissipation opening is rectangular, and the position where the heat dissipation opening is formed is consistent with the initial position of the movable plate group.
The invention has the following beneficial effects:
1. according to the invention, by arranging the air bag assembly and the moving plate group, when the surface of the cable starts to generate heat, carbon dioxide gas in the inner cavity of the air bag assembly is heated and expanded, the gas expands towards two sides due to the limitation of the plate surface of the limiting plate, the pushing detection pushing plates on two sides of the air bag assembly move outwards, and the moving plate group moves backwards under the influence of repulsion force due to the repulsion of magnetic force, so that a heat dissipation opening is exposed, the inner cavity of the bridge connection section is subjected to cold and heat circulation with the outside, the effect of heat dissipation on the surface of the cable is further achieved, the aging and cracking degree of the surface of the cable is effectively reduced, and the problem that the existing bridge structure cannot dissipate heat is avoided;
2. according to the cable self-ignition fire alarm, due to the arrangement of the air bag assembly, when the inner cavity of the bridge connecting section generates a self-ignition phenomenon, flame is ignited on the surface of the cable, when the flame spreads to the air bag assembly, the air bag assembly is rapidly expanded due to the combustion of the flame, the interface of the connecting section can be instantly full of the air bag assembly, the spread of fire is temporarily blocked, meanwhile, the surface of the air bag assembly can be burnt due to the high-temperature burning of the flame, when the air bag assembly is broken, carbon dioxide gas in the air bag assembly can be instantly pumped out, the flame is extinguished, meanwhile, the air bag assembly can generate violent sound due to the expansion and breakage, the cable self-ignition fire alarm can be used as the alarm sound of the cable self-ignition fire, and workers can timely perform investigation and maintenance according to the explosion sound, so that larger and more serious fire hazards are avoided.
Drawings
FIG. 1 is a schematic top view of the structure of the present invention;
FIG. 2 is a schematic view of the airbag module of the present invention in a state of undergoing thermal expansion;
FIG. 3 is a schematic side view of the structure of the present invention;
fig. 4 is a schematic front view of the structure of the present invention.
In the figure: 1. a bridge connecting section; 2. a cable wire; 3. an airbag module; 4. a limiting plate; 5. detecting the push plate; 6. a first spring; 7. a base plate; 8. a movable plate group; 9. a second spring; 10. and a heat dissipation port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a fire protection device for a cable bridge connecting section comprises a bridge connecting section 1, a cable 2 is fixedly installed in an inner cavity of the bridge connecting section 1, an airbag module 3 is fixedly installed outside one end of the cable 2, limiting plates 4 are fixedly installed on the front side and the rear side of the airbag module 3 respectively, two detection push plates 5 located on the left side and the right side of the airbag module 3 are movably installed at one end of the bridge connecting section 1, a first spring 6 is fixedly installed on one side of each of the two detection push plates 5, a bottom plate 7 located at the bottom end of the bridge connecting section 1 is fixedly installed at one end of each of the first springs 6, movable plate groups 8 located on the two sides of the bridge connecting section 1 are movably installed in an inner cavity of the bottom plate 7, a second spring 9 is fixedly installed at one end of each movable plate group 8, and heat dissipation ports 10 are formed in the surfaces of the two sides of the bridge connecting section 1.
Wherein, the shape of the gasbag component 3 is rectangular and has elasticity, the inner cavity of the gasbag component 3 is evenly divided into independent cavities, and the middle part is provided with a hole, the diameter of the hole is consistent with the diameter of the cable 2, the adjacent cavities of the gasbag component 3 are communicated with each other, and the cavities are filled with carbon dioxide gas, by arranging the gasbag component 3, when the surface of the cable 2 starts to generate heat, the carbon dioxide gas in the inner cavity of the gasbag component 3 is heated and expanded, because of the limitation of the plate surface of the limiting plate 4, the gas expands and expands towards two sides, the two sides of the gasbag component 3 press against the detection pushing plate 5 to move outwards, because of the repulsion of magnetic force, the moving plate group 8 moves backwards under the influence of repulsion, and then the heat dissipation port 10 is exposed, so that the inner cavity of the bridge connection section 1 is in cold and heat circulation with the outside, and further the effect of surface heat dissipation of the cable 2 is achieved, the aging cracking degree of the surface of the cable 2 is effectively reduced, in addition, when a certain section of an inner cavity of the bridge connecting section 1 generates a spontaneous combustion phenomenon, flame is ignited, when the flame spreads to the airbag component 3, the airbag component 3 is heated due to the combustion of the flame, the airbag component 3 expands rapidly, and the interface of the connecting section can be instantly inflated to temporarily block the spread of the fire, meanwhile, the surface of the airbag component 3 can be burnt and broken by the high-temperature burning of the flame, when the airbag component 3 is broken, the carbon dioxide gas in the airbag component can be instantly pumped out to extinguish the gas of the flame, meanwhile, the expansion and breaking of the airbag component 3 can generate violent sound, the violent sound can be used as the warning sound of spontaneous combustion fire of the cable 2, and workers can timely conduct investigation and maintenance according to the explosion sound, and avoid the occurrence of larger and more serious fire hazards.
The shape of the detection pushing plate 5 is rectangular and has magnetism, the detection pushing plate 5 can be used as a connecting assembly, and the characteristic of magnetic adsorption metal is utilized to facilitate assembly and connection of the bridge connecting section 1.
Wherein, movable plate group 8 evenly distributed is on the both sides surface of crane span structure linkage segment 1, through No. two spring 9 swing joint between every two adjacent movable plate group 8, movable plate group 8's shape is rectangle, and has magnetism, movable plate group 8's magnetism is the same with the magnetism that detects slurcam 5, utilize movable plate group 8 as the baffle of activity, when the inner chamber heat degree of crane span structure linkage segment 1 and the surface heat of cable conductor 2 are not high, movable plate group 8 can block and cover thermovent 10, guarantee crane span structure linkage segment 1's dirt resistance, when the inner chamber heat degree of crane span structure linkage segment 1 and the surface heat of cable conductor 2 are higher, through cooperateing with detecting slurcam 5, movable plate group 8 can move aside automatically, realize trompil convection cooling's effect.
The shape of the heat dissipation opening 10 is rectangular, and the position where the heat dissipation opening 10 is formed is consistent with the initial position of the movable plate group 8.
The using method of the invention has the following working principle:
when the cable 2 is installed, firstly, the bottom plate 7 is installed at the bottom end of the bridge connecting section 1 through an installation tool, then the air bag component 3, the detection push plate 5, the first spring 6, the moving plate group 8 and the second spring 9 are sequentially installed at one end and two sides of the bridge connecting section 1, after the installation is finished, the limiting plate 4 is embedded and sleeved outside the air bag component 3, after the installation is finished, the bridge connecting section 1 is installed at a required position, the above component installation is carried out on each bridge connecting section 1, after the bridge connecting section 1 is connected and assembled, each cable 2 is uniformly placed in an inner cavity of the bridge connecting section 1 and sequentially penetrates through a hole formed in the middle of the air bag component 3, and after the cable 2 is installed, the whole sealing installation is carried out through the existing sealing part;
when the cable 2 is used for a period, the surface of the cable starts to generate heat, carbon dioxide gas in the inner cavity of the air bag component 3 is heated to expand, the two sides of the air bag component 3 are pressed against the detection push plate 5 to move outwards, when the detection push plate 5 moves outwards, the detection push plate 5 and the moving plate group 8 repel each other due to the magnetic force, the moving plate group 8 is influenced by the repulsion force and moves backwards, at the moment, the heat dissipation port 10 is exposed, the inner cavity of the bridge connection section 1 is in cold and hot circulation with the outside, the effect of surface heat dissipation of the cable 2 is achieved, the aging and cracking degree of the surface of the cable 2 is effectively reduced, and the state is shown as the cable 2 in the attached drawing.
When the cable 2 in a certain section of the inner cavity of the bridge connecting section 1 generates a spontaneous combustion phenomenon, when flame spreads to the airbag component 3, the airbag component 3 is heated due to the combustion of the flame, the airbag component 3 expands rapidly, the interface of the connecting section is instantly full of expansion, the spread of fire is temporarily blocked, meanwhile, the surface of the airbag component 3 is burnt and broken by the high temperature of the flame, when the airbag component 3 is broken, the carbon dioxide gas in the airbag component can be instantly pumped out, the flame is extinguished, meanwhile, the expansion and breakage of the airbag component 3 can generate violent sound, and workers can timely check and maintain according to the explosion sound, so that more serious fire disasters are avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a fire protection device for cable testing bridge linkage segment, includes crane span structure linkage segment (1), its characterized in that: a cable (2) is fixedly arranged in the inner cavity of the bridge connecting section (1), an air bag component (3) is fixedly arranged outside one end of the cable (2), the front side and the rear side of the air bag component (3) are respectively and fixedly provided with a limiting plate (4), one end of the bridge connecting section (1) is movably provided with two detection pushing plates (5) positioned at the left side and the right side of the air bag component (3), one side of each of the two detection pushing plates (5) is fixedly provided with a first spring (6), one end of the first spring (6) is fixedly provided with a bottom plate (7) positioned at the bottom end of the bridge connecting section (1), the inner cavity of the bottom plate (7) is movably provided with a movable plate group (8) which is positioned at two sides of the bridge connecting section (1), one end of the movable plate group (8) is fixedly provided with a second spring (9), the surfaces of two sides of the bridge connecting section (1) are provided with heat radiating ports (10).
2. The fire protection device for a cable tray connection section of claim 1, wherein: the air bag component (3) is rectangular and elastic, an inner cavity of the air bag component (3) is uniformly divided into independent cavities, a hole is formed in the middle of the air bag component, the diameter of the hole is consistent with that of the cable (2), every two adjacent cavities of the air bag component (3) are communicated with each other, and carbon dioxide gas is filled in the cavities.
3. The fire protection device for a cable tray connection section of claim 1, wherein: the detection push plate (5) is rectangular and magnetic.
4. The fire protection device for a cable tray connection section of claim 1, wherein: the movable plate groups (8) are uniformly distributed on the surfaces of two sides of the bridge connecting section (1), every two adjacent movable plate groups (8) are movably connected through a second spring (9), the movable plate groups (8) are rectangular and have magnetism, and the magnetism of the movable plate groups (8) is the same as that of the detection push plate (5).
5. The fire protection device for a cable tray connection section of claim 1, wherein: the shape of the heat dissipation opening (10) is rectangular, and the position where the heat dissipation opening (10) is formed is consistent with the initial position of the movable plate group (8).
CN202110745918.9A 2021-07-01 2021-07-01 Fire protection device for cable bridge connecting section Withdrawn CN113285406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110745918.9A CN113285406A (en) 2021-07-01 2021-07-01 Fire protection device for cable bridge connecting section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110745918.9A CN113285406A (en) 2021-07-01 2021-07-01 Fire protection device for cable bridge connecting section

Publications (1)

Publication Number Publication Date
CN113285406A true CN113285406A (en) 2021-08-20

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ID=77286367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110745918.9A Withdrawn CN113285406A (en) 2021-07-01 2021-07-01 Fire protection device for cable bridge connecting section

Country Status (1)

Country Link
CN (1) CN113285406A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023152363A1 (en) * 2022-02-11 2023-08-17 Wieland Electric Gmbh Positioning element for a plurality of parallel single conductors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023152363A1 (en) * 2022-02-11 2023-08-17 Wieland Electric Gmbh Positioning element for a plurality of parallel single conductors

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Application publication date: 20210820