CN112951503A - Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof - Google Patents
Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof Download PDFInfo
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- CN112951503A CN112951503A CN202110132755.7A CN202110132755A CN112951503A CN 112951503 A CN112951503 A CN 112951503A CN 202110132755 A CN202110132755 A CN 202110132755A CN 112951503 A CN112951503 A CN 112951503A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
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Abstract
The invention discloses a flame-retardant and fire-resistant copper-aluminum alloy cable for communication facilities and a processing method thereof, belonging to the technical field of flame-retardant and fire-resistant cables, wherein the cable core comprises a first wire, the first wire is provided with three groups, the outer wall of the first wire is wrapped by an insulating layer, the outer wall of the insulating layer is provided with a shielding net layer, the outer wall of the first wire is fixedly connected with the flame-retardant device, the outer wall of the flame-retardant device is fixedly provided with the wiring device, the wiring device comprises an anode power supply groove and a cathode power supply groove, the outer wall of the flame-retardant device is fixedly provided with the alarm device, and the alarm device comprises a cathode end connector, the invention has the beneficial effects that: set up alarm device, when the cable received conflagration or high temperature, because the thermal expansion switch receives the high temperature inflation for conductor one and anodal bond contact intercommunication closed circuit after the thermal expansion, make temperature alarm circular telegram report to the police, improve the security that the cable used.
Description
Technical Field
The invention relates to the technical field of flame-retardant and fire-resistant cables, in particular to a flame-retardant and fire-resistant copper-aluminum alloy cable for communication facilities and a processing method thereof.
Background
Communication facilities, communication equipment and communication mechanisms are collectively called as fixed communication facilities and field communication facilities, civil communication facilities and military communication facilities, the civil communication facilities can be used for military communication in wartime, the communication facilities are more and more widely applied under the tide of internet development, places for constructing and laying the communication facilities are not limited, the communication facilities also need to be constructed in extreme environments, meanwhile, the communication facilities also need to be powered, and higher flame-retardant and fire-resistant requirements are provided for cables in order to ensure that the communication facilities can keep communication.
The prior art has the following defects: when the existing common cable is used, the cable can be damaged if a fire disaster or high temperature occurs, large economic loss can occur when the detection is not timely enough, the outer wall of the common cable facing the high temperature or open fire can be quickly damaged, and the common cable is inconvenient to use when facing an extreme environment.
Therefore, it is necessary to invent a fire-retardant and fire-resistant type copper-aluminum alloy cable for communication facilities.
Disclosure of Invention
Therefore, the invention provides a flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities, and the alarm device is arranged, when the cable is subjected to fire or high temperature, the first conductor and the positive pole bonding are contacted and communicated with a closed circuit after being heated and expanded due to the high-temperature expansion of the thermal expansion switch, so that the temperature alarm is electrified for alarming, and meanwhile, the flame-retardant device is arranged to protect the wire core, so that the problems of cable protection and convenience for rescue of security rescue personnel are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: a flame-retardant and flame-retardant copper-aluminum alloy cable for communication facilities comprises a cable core, a flame-retardant device, a wiring device and an alarm device, wherein the cable core comprises a first conducting wire, the first conducting wire is provided with three groups, an outer wall of the first conducting wire is wrapped by an insulating layer, the outer wall of the insulating layer is provided with a shielding net layer, the first conducting wire is fixedly connected with the flame-retardant device, the outer wall of the flame-retardant device is fixedly provided with the wiring device, the wiring device comprises a positive electrode power supply groove and a negative electrode power supply groove, the outer wall of the flame-retardant device is fixedly provided with the alarm device, the alarm device comprises a negative electrode end connector, the negative electrode end connector is electrically connected with a temperature alarm, the right side of the temperature alarm is electrically connected with a thermal expansion switch, the first conductor is fixedly arranged on the inner, the positive pole bonding is set to be in a spring sheet shape, the right end of the positive pole bonding is electrically connected with the positive end connector, and the alarm device is fixedly installed on the outer wall of the flame retardant device through the inserting positive pole power supply groove and the negative pole power supply groove.
Preferably, the first wire comprises a copper-aluminum alloy sheet, the copper-aluminum alloy sheet is of a laminated structure, and the surface of the copper-aluminum alloy sheet is smooth.
Preferably, the flame retardant device comprises a wrapping layer, the wrapping layer is fixedly connected to the outer wall of the shielding net layer, the outer wall of the wrapping layer is fixedly connected with a filling layer, the outer wall of the filling layer is fixedly connected with a heat insulation layer, and the thickness of the heat insulation layer is not less than three millimeters.
Preferably, the outer wall of the heat insulation layer is fixedly connected with a fire-resistant layer, the outer part of the fire-resistant layer is fixedly connected with a metal sheath, the metal sheath is of a flexible corrugated structure and can be freely and completely, and the thickness of the metal sheath is not less than one millimeter.
Preferably, the outer canning of metal wrap outer wall fixed connection, outer canning thickness is not less than two millimeters, the outer sheathing outer wall sets up smoothly, outer canning inner wall fixed mounting positive wire.
Preferably, the surface of the outer sheath is provided with an anode power supply groove, the anode power supply groove extends to the top of the anode wire, the inner wall of the anode power supply groove is provided with an internal thread, the surface of the outer sheath is provided with a cathode power supply groove, the cathode power supply groove is positioned on the left side of the anode power supply groove, the anode power supply groove extends to the top of the metal sheath, and the inner wall of the anode power supply groove is provided with an internal thread.
Preferably, a first wiring terminal is fixedly installed at the top of the metal sheath, the first wiring terminal is located on the inner wall of the negative power supply groove, and the inner wall of the negative power supply groove is in threaded connection with a sealing cover;
preferably, the top of the positive wire is electrically connected with a second wiring terminal, the second wiring terminal is positioned on the inner wall of the positive power supply tank, the inner wall of the positive power supply tank is in threaded connection with a sealing cover, a hexagonal bolt hole is formed in the center of the top of the sealing cover, and sealing rings are arranged at the joints of the sealing cover and the tops of the positive power supply tank and the negative power supply tank; preferably, the wire core further comprises a second wire, the second wire comprises a copper-aluminum alloy sheet, the second wire is formed by rolling the copper-aluminum alloy sheet, and the outer wall of the second wire is fixedly connected with the insulating layer.
A processing method of a flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities also comprises the following specific operation steps;
the method comprises the following steps: melting copper-aluminum alloy, manufacturing a copper-aluminum alloy sheet in a pouring mode, polishing the surface of the copper-aluminum alloy sheet to remove burrs, and rolling and molding the copper-aluminum alloy sheet from inside to outside to form a first lead;
step two: wrapping an outer wall of the wire by an insulating layer through an extrusion molding process, and then wrapping an outer wall of the insulating layer by a shielding net layer;
step three: wrapping a filling layer, a heat insulation layer and a fire-resistant layer on the outer layer of the shielding mesh layer by an extrusion molding process;
step four: a metal sheath is wound and sleeved on the outer wall of the fire-resistant layer, and a first binding post is arranged on the outer wall of the metal sheath;
step five: wrapping the outer sheath bottom layer on the outer wall of the metal sheath through an extrusion molding process, then placing a positive lead on the top of the outer sheath bottom layer, electrically connecting a binding post II on the outer wall of the positive lead, then continuously extruding the outer sheath on the top of the outer sheath bottom layer to a preset thickness, and embedding the positive lead into the outer sheath;
step six: a negative electrode power supply groove is formed in the top of the first binding post, and a positive electrode power supply groove is formed in the top of the second binding post;
step seven: the inner walls of the anode power supply groove and the cathode power supply groove are in threaded connection with sealing covers;
step eight: when the flame-retardant fireproof copper-aluminum alloy cable is used, the sealing cover is taken down, the alarm device is installed on the outer wall of the outer sheath, the positive end connector is connected with the second wiring terminal in the positive power supply groove in an inserting mode, the negative end connector is connected with the first wiring terminal in the negative power supply groove in an inserting mode.
The invention has the beneficial effects that:
1. by arranging the alarm device, when the cable is in a fire or high temperature, the thermal expansion switch is expanded by the high temperature, so that the first conductor and the positive pole bonding are contacted and communicated with a closed circuit after being expanded by the high temperature, the temperature alarm is electrified to alarm, security personnel can conveniently arrive at the site to rescue the fire as soon as possible, and the use safety of the cable is improved;
2. through setting up the metal wrap, when the cable received the conflagration, can cut off outside flame, prevent that the flame is direct to contact with parcel layer, filling layer, insulating layer and flame retardant coating, avoid the inside physics of cable to damage, improve the life of cable, guaranteed communication facility's communication power supply function simultaneously.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure provided by the present invention;
FIG. 2 is a cross-sectional view provided by the present invention;
FIG. 3 is a cross-sectional view provided by the present invention;
FIG. 4 is a front view of a copper aluminum alloy sheet according to the present invention;
FIG. 5 is a schematic structural diagram of a wiring device according to the present invention;
FIG. 6 is a schematic view of an installation structure of the alarm device provided by the present invention;
FIG. 7 is a circuit diagram of an alarm device provided by the present invention;
FIG. 8 is a schematic structural diagram of embodiment 2 of the present invention;
in the figure: the cable comprises a cable core 100, a first lead 110, a copper-aluminum alloy sheet 120, a second lead 130, an insulating layer 140, a shielding mesh layer 150, a flame retardant device 200, a wrapping layer 210, a filling layer 220, a heat insulation layer 230, a flame retardant layer 240, a metal sheath 250, a first binding post 251, an outer wrapping sleeve 260, a positive lead 261, a second binding post 262, a wiring device 300, a positive power supply groove 310, a negative power supply groove 320, a sealing cover 330, an alarm device 400, a negative end joint 410, a temperature alarm 420, a thermal expansion switch 430, a first conductor 431, a positive bonding 432 and a positive end joint 440.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
referring to fig. 1-7, the flame-retardant and fire-resistant copper-aluminum alloy cable for communication facilities provided by the present invention includes a wire core 100, a flame retardant device 200, a wiring device 300 and an alarm device 400, specifically, the wire core 100 includes a first wire 110, the first wire 110 has three groups, an outer wall of the first wire 110 is wrapped by an insulating layer 140, an outer wall of the insulating layer 140 is provided with a shielding mesh layer 150, an outer wall of the first wire 110 is fixedly connected with the flame retardant device 200, the outer wall of the flame retardant device 200 is fixedly provided with the wiring device 300, the wiring device 300 includes a positive power supply tank 310 and a negative power supply tank 320, the outer wall of the flame retardant device 200 is fixedly provided with the alarm device 400, the alarm device 400 includes a negative terminal joint 410, the negative terminal joint 410 is electrically connected with a temperature alarm 420, a right side of the temperature alarm 420 is electrically connected with a thermal expansion switch, the negative electrode of the temperature alarm 420 circuit is electrically connected with the first conductor 431, the bottom of the first conductor 431 is provided with a positive pole bonding 432, the positive pole bonding 432 is arranged in a spring sheet shape, the right end of the positive pole bonding 432 is electrically connected with the positive pole end connector 440, and the alarm device 400 is fixedly installed on the outer wall of the flame retardant device 200 through the insertion of the positive pole power supply groove 310 and the negative pole power supply groove 320;
the wire core 100 has the function of conveying electric energy, the flame retardant device 200 has the functions of flame retarding and heat insulation protection of the wire core 100, the first lead 110 has the function of conveying electric energy, the insulating layer 140 is made of ethylene propylene rubber which has good insulating property, the insulating layer 140 has the function of insulating the first lead 110, the shielding net layer 150 has the function of wrapping the first lead 110 and shielding the first lead 110 from external electromagnetic signals, the wiring device 300 has the function of conveniently installing the alarm device 400 for alarm and prompt rescue, the negative end connector 410 has the function of conveniently plugging the negative power supply tank 320 to be communicated with a negative pole circuit of the alarm device 400, the temperature alarm 420 is made of JTW-ZOM, the temperature alarm 420 has the function of alarming when fire occurs, so as to prompt the rescue of security personnel, the thermal expansion switch 430 has the function of automatically connecting the circuit when being heated, the first conductor 431 has the function of being matched and connected with, the positive pole bonding 432 is made of metal zinc, the metal zinc has the conductive performance, the thermal expansion coefficient of the metal zinc is (25 ℃)30.2 mu m-1. K-1, the metal zinc is attached to the conductor I431 after being expanded when being heated so as to be connected with a circuit, the alarm device 400 is powered, the negative pole end connector 410 has the function of being conveniently connected with the binding post I251, and the positive pole end connector 440 has the function of being conveniently connected with the binding post II 262;
further, the first lead 110 comprises a copper-aluminum alloy sheet 120, the copper-aluminum alloy sheet 120 is arranged in a laminated structure, the surface of the copper-aluminum alloy sheet 120 is smooth, specifically, the copper-aluminum alloy sheet 120 has the function of facilitating electric conduction, the space utilization rate inside the cable can be effectively increased through the arrangement of the laminated structure of the copper-aluminum alloy sheet 120, the surface of the copper-aluminum alloy sheet 120 is smooth, tip discharge is prevented, and the power transmission efficiency is improved;
further, the flame retardant device 200 comprises a wrapping layer 210, the wrapping layer 210 is fixedly connected to the outer wall of the shielding mesh layer 150, the outer wall of the wrapping layer 210 is fixedly connected with a filling layer 220, the outer wall of the filling layer 220 is fixedly connected with a heat insulation layer 230, the thickness of the heat insulation layer 230 is not less than three millimeters, specifically, the wrapping layer 210 is set as a mica tape, the mica tape is a high-performance mica insulation product, has excellent high temperature resistance and combustion resistance, is suitable for main fire insulation layers in various fire-resistant cables, when the fire-resistant coating is burnt in open fire, harmful smoke is not volatilized basically, the wrapping layer 210 has the advantages that the shielding effect of the shielding mesh layer 150 is improved by shrinking the shielding mesh layer 150, meanwhile, the heat insulation layer 230 is made of aerogel, the aerogel has a good heat insulation effect, the aerogel can insulate heat by 1400 ℃ at most, and the heat insulation layer 230 can prevent the internal stability of the wire core 100 from being too high to influence the use of the first lead 110;
further, a fire-resistant layer 240 is fixedly connected to the outer wall of the heat-insulating layer 230, a metal sheath 250 is fixedly connected to the outer portion of the fire-resistant layer 240, the metal sheath 250 is of a flexible corrugated structure, the metal sheath 250 can be free and complete, the thickness of the metal sheath 250 is not less than one millimeter, specifically, the fire-resistant layer 240 is made of fluororubber, the fluororubber has good high-temperature-resistant and burning-resistant effects, the metal sheath 250 has a cable fire-resistant effect, when a fire disaster occurs, the flame can be isolated outside the fire-resistant layer 240, and during burning, due to the fact that nonmetal materials in the metal sheath 250 are isolated, the metal sheath 250 is of a flexible corrugated structure, the cable can be conveniently bent, and the laying plasticity of the cable is improved;
further, the outer wall of the metal sheath 250 is fixedly connected with an outer sheath 260, the thickness of the outer sheath 260 is not less than two millimeters, the outer wall of the outer sheath 260 is smooth, a positive electrode lead 261 is fixedly mounted on the inner wall of the outer sheath 260, specifically, the main material of the outer sheath 260 is chloroprene rubber, the chloroprene rubber is vulcanized and added with a brominated flame retardant, the outer sheath 260 has the functions of wear resistance, heat resistance, water resistance and water resistance, and the positive electrode lead 261 has the function of providing electric energy for the temperature alarm 420;
further, an anode power supply groove 310 is formed in the surface of the outer sheath 260, the anode power supply groove 310 extends to the top of the anode lead 261, internal threads (not labeled in the figure) are formed in the inner wall of the anode power supply groove 310, a cathode power supply groove 320 is formed in the surface of the outer sheath 260, the cathode power supply groove 320 is located on the left side of the anode power supply groove 310, the anode power supply groove 310 extends to the top of the metal sheath 250, internal threads (not labeled in the figure) are formed in the inner wall of the anode power supply groove 310, specifically, the anode power supply groove 310 has the function of facilitating plugging of the anode end connector 440, the cathode power supply groove 320 has the function of facilitating plugging of the cathode end connector 410, the internal threads have the function of facilitating connection of the sealing cover 330, and the sealing cover 330 has the function of facilitating sealing and isolating of the anode power supply groove 310 and the cathode power supply groove 320;
further, a first terminal 251 is fixedly mounted on the top of the metal sheath 250, the first terminal 251 is located on the inner wall of the negative power supply tank 320, the inner wall of the negative power supply tank 320 is in threaded connection with the sealing cover 330, and specifically, the first terminal 251 has the function of connecting the negative terminal connector 410;
further, the top of the positive lead 261 is electrically connected with a second terminal 262, the second terminal 262 is located on the inner wall of the positive power supply tank 310, the inner wall of the positive power supply tank 310 is in threaded connection with a sealing cover 330, a hexagonal bolt hole is formed in the center of the top of the sealing cover 330, and sealing rings (not labeled in the drawing) are arranged at the joints of the sealing cover 330 and the tops of the positive power supply tank 310 and the negative power supply tank 320;
a processing method of a flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities also comprises the following specific operation steps;
the method comprises the following steps: melting copper-aluminum alloy, manufacturing a copper-aluminum alloy sheet 120 in a pouring mode, polishing the surface of the copper-aluminum alloy sheet 120 to remove burrs, and rolling and molding the copper-aluminum alloy sheet 120 from inside to outside to form a first lead 110;
step two: wrapping the outer wall of the first conductor 110 with an insulating layer 140 by an extrusion molding process, and then wrapping the outer wall of the insulating layer 140 with a shielding mesh layer 150;
step three: the filling layer 220, the heat insulation layer 230 and the fire-resistant layer 240 are wrapped on the outer layer of the shielding mesh layer 150 through an extrusion molding process;
step four: a metal sheath 250 is wound and sleeved on the outer wall of the fire-resistant layer 240, and a binding post I251 is arranged on the outer wall of the metal sheath 250;
step five: wrapping the bottom layer of the outer sheath 260 on the outer wall of the metal sheath 250 through an extrusion molding process, then placing a positive lead 261 on the top of the bottom layer of the outer sheath 260, electrically connecting a second wiring terminal 262 to the outer wall of the positive lead 261, then continuously extruding the outer sheath 260 on the top of the bottom layer of the outer sheath 260 to a preset thickness, and embedding the positive lead 261 into the outer sheath 260;
step six: a negative electrode power supply groove 320 is formed in the top of the first binding post 251, and a positive electrode power supply groove 310 is formed in the top of the second binding post 262;
step seven: the sealing cover 330 is connected with the inner wall of the positive electrode power supply groove 310 and the inner wall of the negative electrode power supply groove 320 in a threaded manner;
step eight: when the flame-retardant and fire-resistant copper-aluminum alloy cable is used, the sealing cover 330 is removed, the alarm device 400 is installed on the outer wall of the outer sheath 260, the positive end connector 440 is inserted into the positive power supply groove 310 and electrically connected with the second binding post 262, the negative end connector 410 is inserted into the negative power supply groove 320, and the negative end connector 410 is electrically connected with the first binding post 251.
The using process of the invention is as follows: when the invention is used, a person skilled in the art lays a cable in a cable groove of a communication facility, two ends of the cable are respectively electrically connected with the communication facility and a power supply line through a wire I110, an anode wire 261 is electrically connected with a power anode, a metal sheath 250 is electrically connected with a power cathode, then a sealing cover 330 is taken down through a hexagonal wrench, then an alarm device 400 is arranged on the outer wall of a flame retardant device 200, a cathode end connector 410 is inserted at the top of a binding post I251, the cathode end connector 410 is spirally and threadedly connected with the inner wall of a cathode power supply groove 320 through a movable wrench for fixing, then an anode end connector 440 is inserted into the inner wall of an anode power supply groove 310, the anode end connector 440 is threadedly arranged on the inner wall of the anode power supply groove 310 through the movable wrench, when a fire occurs, a closed circuit is formed after an anode bonding 432 is connected with a conductor I431 due to thermal expansion, the temperature alarm 420 gives an alarm to prompt security personnel to rescue the fire, so that normal use of communication facilities is guaranteed, and fire loss is reduced.
Example 2:
referring to fig. 8, the flame-retardant and fire-resistant copper-aluminum alloy cable for communication facilities, provided by the invention, further comprises a second conducting wire 130;
further, the second lead 130 comprises a copper aluminum alloy sheet 120, the second lead 130 is formed by rolling the copper aluminum alloy sheet 120, the outer wall of the second lead 130 is fixedly connected with an insulating layer 140, and specifically, the second lead 130 has the function of conducting and conveying electric energy.
A processing method of a flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities also comprises the following specific operation steps;
the method comprises the following steps: melting copper-aluminum alloy, manufacturing a copper-aluminum alloy sheet 120 in a pouring mode, polishing the surface of the copper-aluminum alloy sheet 120 to remove burrs, and rolling and molding the copper-aluminum alloy sheet 120 from inside to outside to form a second lead 130;
step two: wrapping the outer wall of the second lead 130 with the insulating layer 140 by an extrusion molding process, and then wrapping the outer wall of the insulating layer 140 with the shielding mesh layer 150;
step three: the filling layer 220, the heat insulation layer 230 and the fire-resistant layer 240 are wrapped on the outer layer of the shielding mesh layer 150 through an extrusion molding process;
step four: a metal sheath 250 is wound and sleeved on the outer wall of the fire-resistant layer 240, and a binding post I251 is arranged on the outer wall of the metal sheath 250;
step five: wrapping the bottom layer of the outer sheath 260 on the outer wall of the metal sheath 250 through an extrusion molding process, then placing a positive lead 261 on the top of the bottom layer of the outer sheath 260, electrically connecting a second wiring terminal 262 to the outer wall of the positive lead 261, then continuously extruding the outer sheath 260 on the top of the bottom layer of the outer sheath 260 to a preset thickness, and embedding the positive lead 261 into the outer sheath 260;
step six: a negative electrode power supply groove 320 is formed in the top of the first binding post 251, and a positive electrode power supply groove 310 is formed in the top of the second binding post 262;
step seven: the sealing cover 330 is connected with the inner wall of the positive electrode power supply groove 310 and the inner wall of the negative electrode power supply groove 320 in a threaded manner;
step eight: when the flame-retardant and fire-resistant copper-aluminum alloy cable is used, the sealing cover 330 is removed, the alarm device 400 is installed on the outer wall of the outer sheath 260, the positive end connector 440 is inserted into the positive power supply groove 310 and electrically connected with the second binding post 262, the negative end connector 410 is inserted into the negative power supply groove 320, and the negative end connector 410 is electrically connected with the first binding post 251.
The using process of the invention is as follows: when the invention is used, a person skilled in the art lays a cable in a cable groove of a communication facility, two ends of the cable are respectively electrically connected with the communication facility and a power supply line through the two leads 130, the positive lead 261 is electrically connected with a positive pole of a power supply, the metal sheath 250 is electrically connected with a negative pole of the power supply, then the sealing cover 330 is taken down through a hexagonal wrench, then the alarm device 400 is arranged on the outer wall of the flame retardant device 200, the negative pole end connector 410 is inserted at the top of the first binding post 251, the negative pole end connector 410 is spirally and threadedly connected with the inner wall of the negative pole power supply groove 320 through a movable wrench for fixing, then the positive pole end connector 440 is inserted in the inner wall of the positive pole power supply groove 310, the positive pole end connector 440 is threadedly arranged on the inner wall of the positive pole power supply groove 310 through the movable wrench, when a fire occurs, the positive pole bonding 432 is connected with the first conductor, the temperature alarm 420 gives an alarm to prompt security personnel to rescue the fire, so that normal use of communication facilities is guaranteed, and fire loss is reduced.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a fire-retardant fire-resistant type copper aluminum alloy cable for communication facilities, includes sinle silk (100), fire-retardant device (200), termination (300) and alarm device (400), its characterized in that: the cable core (100) comprises a first wire (110), the first wire (110) is provided with three groups, the outer wall of the first wire (110) is wrapped by an insulating layer (140), the outer wall of the insulating layer (140) is provided with a shielding net layer (150), the outer wall of the first wire (110) is fixedly connected with a flame retardant device (200), the outer wall of the flame retardant device (200) is fixedly installed with a wiring device (300), the wiring device (300) comprises a positive power supply groove (310) and a negative power supply groove (320), the outer wall of the flame retardant device (200) is fixedly installed with an alarm device (400), the alarm device (400) comprises a negative end connector (410), the negative end connector (410) is electrically connected with a temperature alarm (420), the right side of the temperature alarm (420) is electrically connected with a thermal expansion switch (430), the inner wall of the thermal expansion switch (430) is fixedly installed with a first conductor (431), and the negative pole of a circuit of, conductor (431) bottom is equipped with positive pole bonding (432), positive pole bonding (432) set up to the spring piece, positive pole bonding (432) right-hand member electric connection positive pole end connector (440), alarm device (400) are through grafting anodal power supply groove (310) and negative pole power supply groove (320) fixed mounting at flame retardant means (200) outer wall.
2. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 1, wherein: the first lead (110) comprises a copper aluminum alloy sheet (120), the copper aluminum alloy sheet (120) is of a laminated structure, and the surface of the copper aluminum alloy sheet (120) is smooth.
3. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 1, wherein: the flame retardant device (200) comprises a wrapping layer (210), the wrapping layer (210) is fixedly connected to the outer wall of the shielding net layer (150), the outer wall of the wrapping layer (210) is fixedly connected with a filling layer (220), the outer wall of the filling layer (220) is fixedly connected with a heat insulation layer (230), and the thickness of the heat insulation layer (230) is not less than three millimeters.
4. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 3, wherein: the outer wall of the heat insulation layer (230) is fixedly connected with a fire-resistant layer (240), the outer part of the fire-resistant layer (240) is fixedly connected with a metal sheath (250), the metal sheath (250) is of a flexible corrugated structure, the metal sheath (250) can be freely and completely, and the thickness of the metal sheath (250) is not less than one millimeter.
5. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 4, wherein: metal wrap (250) outer wall fixed connection outer wrap (260), outer wrap (260) thickness is not less than two millimeters, outer wrap (260) outer wall sets up smoothly, outer wrap (260) inner wall fixed mounting positive wire (261).
6. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 5, wherein: anodal supply tank (310) is seted up on outer canning (260) surface, anodal supply tank (310) extends to anodal wire (261) top, anodal supply tank (310) inner wall is equipped with the internal thread, negative pole supply tank (320) is seted up on outer canning (260) surface, negative pole supply tank (320) are located anodal supply tank (310) left side, anodal supply tank (310) extends to metal wrap (250) top, anodal supply tank (310) inner wall is equipped with the internal thread.
7. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 4, wherein: a first terminal (251) is fixedly installed at the top of the metal sheath (250), the first terminal (251) is located on the inner wall of the negative power supply groove (320), and the inner wall of the negative power supply groove (320) is in threaded connection with a sealing cover (330).
8. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 1, wherein: anodal wire (261) top electric connection terminal two (262), terminal two (262) are located anodal power supply groove (310) inner wall, anodal power supply groove (310) inner wall threaded connection seals lid (330), hexagonal bolt hole is seted up to sealed lid (330) top central point, sealed lid (330) are equipped with the sealing washer with anodal power supply groove (310) and negative pole power supply groove (320) top junction.
9. The fire-retardant fire-resistant copper-aluminum alloy cable for communication facilities as claimed in claim 1, wherein: the wire core (100) further comprises a second wire (130), the second wire (130) comprises a copper-aluminum alloy sheet (120), the second wire (130) is formed by rolling the copper-aluminum alloy sheet (120), and the outer wall of the second wire (130) is fixedly connected with the insulating layer (140).
10. A processing method of a flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities is characterized by comprising the following steps: the method also comprises the following specific operation steps;
the method comprises the following steps: melting copper-aluminum alloy, manufacturing a copper-aluminum alloy sheet (120) in a pouring mode, polishing the surface of the copper-aluminum alloy sheet (120), flattening and removing burrs, and rolling and forming the copper-aluminum alloy sheet (120) from inside to outside to form a first lead (110);
step two: wrapping the outer wall of the first conductor (110) with an insulating layer (140) through an extrusion molding process, and then wrapping the outer wall of the insulating layer (140) with a shielding mesh layer (150);
step three: wrapping the filling layer (220), the heat insulation layer (230) and the fire-resistant layer (240) on the outer layer of the shielding mesh layer (150) through an extrusion molding process;
step four: a metal sheath (250) is wound and sleeved on the outer wall of the fire-resistant layer (240), and a first binding post (251) is arranged on the outer wall of the metal sheath (250);
step five: wrapping the bottom layer of the outer sheath (260) on the outer wall of the metal sheath (250) through an extrusion molding process, then placing a positive electrode lead (261) on the top of the bottom layer of the outer sheath (260), electrically connecting a second wiring terminal (262) on the outer wall of the positive electrode lead (261), then continuously extruding the outer sheath (260) on the top of the bottom layer of the outer sheath (260) to a preset thickness, and embedding the positive electrode lead (261) into the outer sheath (260);
step six: a negative electrode power supply groove (320) is formed in the top of the first binding post (251), and a positive electrode power supply groove (310) is formed in the top of the second binding post (262);
step seven: the inner walls of the positive electrode power supply groove (310) and the negative electrode power supply groove (320) are in threaded connection with a sealing cover (330);
step eight: when the flame-retardant and fire-resistant copper-aluminum alloy cable is used, the sealing cover (330) is taken down, the alarm device (400) is installed on the outer wall of the outer sheath (260), the positive end connector (440) is inserted into the positive power supply groove (310) and electrically connected with the second binding post (262), the negative end connector (410) is inserted into the negative power supply groove (320), and the negative end connector (410) is electrically connected with the first binding post (251).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132755.7A CN112951503A (en) | 2021-02-01 | 2021-02-01 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132755.7A CN112951503A (en) | 2021-02-01 | 2021-02-01 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
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| CN112951503A true CN112951503A (en) | 2021-06-11 |
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| CN202110132755.7A Withdrawn CN112951503A (en) | 2021-02-01 | 2021-02-01 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
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| CN203376077U (en) * | 2013-01-06 | 2014-01-01 | 王学伟 | Extra-high voltage power cable detection apparatus with temperature detection and alarm functions |
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Application publication date: 20210611 |
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