CN115295238B - Low-smoke environment-friendly high-temperature-resistant fireproof cable - Google Patents
Low-smoke environment-friendly high-temperature-resistant fireproof cable Download PDFInfo
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- CN115295238B CN115295238B CN202211188302.7A CN202211188302A CN115295238B CN 115295238 B CN115295238 B CN 115295238B CN 202211188302 A CN202211188302 A CN 202211188302A CN 115295238 B CN115295238 B CN 115295238B
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/426—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using cooling fins, ribs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses a low-smoke environment-friendly high-temperature-resistant fireproof cable which comprises a heat-resistant inner lining layer, wherein support bars are fixedly connected to the inner wall of the heat-resistant inner lining layer at equal intervals, a silicon rubber glass sleeve is arranged at the central position inside the heat-resistant inner lining layer, arc-shaped elastic plates are fixedly connected to the outer side of the silicon rubber glass sleeve at equal intervals, conductor sleeves are clamped between the support bars and the arc-shaped elastic plates and correspond to the position inside the heat-resistant inner lining layer, and conductors are uniformly filled in the conductor sleeves.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a low-smoke environment-friendly high-temperature-resistant fireproof cable.
Background
A fire-proof cable, which is a general term of a wire and cable with fire-proof performance in a broad sense, refers to a wire and cable with the property of directly or indirectly reducing fire loss under fire conditions, and is generally divided into a fire-proof wire and cable and a fire-proof wire and cable, wherein the fire-proof cable is fire-proof, and when the cable burns under specified test conditions, and after a fire source is removed, the flame spreads on a cable sample but does not exceed a specified range, and the cable extinguishes itself, i.e. the capability of preventing or delaying the occurrence or spread of the flame;
however, in the process of preventing flame from spreading, the existing cable is easy to generate a large amount of smoke and harmful gases, which pollutes the surrounding environment, and meanwhile, in the using process, heat cannot be rapidly led out, which affects the using effect, so that for these situations, in order to avoid the above technical problems, it is necessary to provide a low-smoke environment-friendly high-temperature-resistant fireproof cable to overcome the defects in the prior art.
Disclosure of Invention
The invention provides a low-smoke environment-friendly high-temperature-resistant fireproof cable, which can effectively solve the problems that a large amount of smoke and harmful gas are easily generated in the process of preventing flame from spreading, the surrounding environment is polluted, and meanwhile, heat cannot be rapidly led out in the using process, so that the using effect is influenced, which are provided by the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low smoke environment-friendly high temperature resistant fireproof cable, includes heat-resisting inner liner layer, its characterized in that: the inner wall of the heat-resistant inner lining layer is fixedly connected with supporting strips at equal intervals, and a silicon rubber glass sleeve is arranged at the center position inside the heat-resistant inner lining layer;
the outer lining layer has been cup jointed in the heat-resisting inner liner layer outside, the equal equidistance fixedly connected with annular buckle in outer lining layer inner wall and the heat-resisting inner liner layer outside, the inside joint of annular buckle has the annular cover, the inside cavity of having seted up of annular cover, the inside central point of cavity puts the fixedly connected with center crown plate of department, center crown plate both ends equidistance fixedly connected with bungee, bungee other end fixedly connected with loose ring, the inside corresponding two loose ring outside position department of annular cover has all filled the inflation gasbag, the inboard position department equidistance fixedly connected with connecting channel of central crown plate of annular cover inner wall correspondence, connecting channel one end corresponds the cotton baffle of the inside position department fixedly connected with of heat-resisting inner liner layer.
According to the technical scheme of the previous step, filling pipes are filled in the heat-resistant inner lining layer at equal intervals between two corresponding conductor sleeves, and a connecting plate is fixedly connected between every two adjacent filling pipes;
silicon rubber glass sleeve pipe outside equidistance fixedly connected with arc elastic plate, and correspond the joint of the inside position department of heat-resisting inner liner between support bar and the arc elastic plate and have conductor sleeve pipe, the inside even packing of conductor sleeve pipe has the conductor.
According to the technical scheme of the previous step, a combustion improver and aluminum hydroxide powder are filled between two corresponding movable rings in the cavity, and the outer sides of the two movable rings are in sliding connection with the inner wall of the cavity;
the expansion air bag is compressed and fixed in the cavity and is oval, and one end of the expansion air bag is fixedly connected with one end of the movable ring.
According to the technical scheme of the previous step, one end of the connecting channel penetrates through the inner wall of the heat-resistant inner lining layer, the cotton baffle is arc-shaped, and the outer side of the cotton baffle is attached to the inner wall of the heat-resistant inner lining layer;
the aluminum hydroxide powder is uniformly filled in the filling pipe, and the filling pipe is uniformly distributed between the two conductor sleeves.
According to the technical scheme of the previous step, rock wool strips are fixedly connected to the inner part of the silicon rubber glass sleeve at equal intervals, graphite cores are filled in the rock wool strips, heat-conducting insulation plates are movably connected to the outer side of the silicon rubber glass sleeve at equal intervals, soft copper sheets are fixedly connected to positions, corresponding to the inner sides of the arc elastic plates, of one ends of the heat-conducting insulation plates, asbestos pads are fixedly connected to positions, corresponding to the two sides of the heat-conducting insulation plates, of the outer side of the silicon rubber glass sleeve, and heat-conducting stop blocks are arranged at positions, corresponding to the inner parts of the rock wool strips, of the other ends of the heat-conducting insulation plates;
the utility model discloses a heat-resistant inner liner, including heat-resistant inner liner, heat-resistant inner liner inner wall corresponds heat conduction sheet metal in the equant distance fixedly connected with of annular cover both sides position department, interior heat conduction sheet metal outside equidistance fixedly connected with heat conduction flange, the heat conduction flange outside corresponds the outer heat conduction sheet metal of heat-resistant inner liner outside position department fixedly connected with, the outer liner inner wall corresponds outer heat conduction sheet metal outside position department fixedly connected with ripple heat conduction rubber sleeve, outer liner inner wall corresponds ripple heat conduction rubber sleeve outside position department fixedly connected with heat conduction silica gel ring, outer liner outside has cup jointed anticorrosive fire-retardant cover, and the inside equidistance fixedly connected with carbon fiber lantern ring of heat conduction silica gel ring outside position department of anticorrosive fire-retardant cover.
According to the technical scheme of the previous step, the number of the support bars and the number of the arc-shaped elastic plates are five respectively, the installation positions of the support bars correspond to the installation positions of the arc-shaped elastic plates, and the outer sides of the arc-shaped elastic plates are attached to the outer sides of the conductor sleeves;
one end of the heat-conducting insulating plate penetrates through the inner wall of the silicon rubber glass sleeve, a notch is formed in the position, corresponding to the heat-conducting stop block, of the inner wall of the rock wool strip, and the outer side of the soft copper sheet is attached to the inner wall of the arc elastic plate.
According to the technical scheme of the previous step, the heat-conducting convex plate one end runs through the outside of the heat-resisting lining layer, the outside of the inner heat-conducting thin plate is attached to the inner wall of the heat-resisting lining layer, and the inner wall of the outer heat-conducting thin plate is attached to the outer side of the heat-resisting lining layer.
According to the technical scheme, the inner wall of the corrugated heat-conducting rubber sleeve is attached to the outer side of the outer heat-conducting thin plate, and the outer side of the carbon fiber lantern ring penetrates through the outer side of the anti-corrosion flame-retardant sleeve.
According to one step of technical scheme, the conductor sleeve outside has cup jointed the grid net cover, the conductor sleeve outside corresponds grid net cover mesh hole inside position department fixedly connected with silicone grease film, support bar one end corresponds the hollow rubber tube of position department fixedly connected with between two conductor sleeves, hollow rubber tube both ends fixedly connected with curved surface baffle.
According to the technical scheme, aluminum hydroxide powder is filled in the hollow rubber tube, the outer side of the curved surface baffle is attached to the outer side of the conductor sleeve, and the other end of the curved surface baffle is fixedly connected with one end of the supporting bar.
Compared with the prior art, the invention has the following beneficial effects: the invention has scientific and reasonable structure and safe and convenient use:
1. the heat-conducting inner liner is provided with a silicon rubber glass sleeve, a cotton sleeve, a graphite core, a heat-conducting insulation board, a soft copper sheet, an asbestos pad and a heat-conducting stop block, when the temperature in the heat-resisting inner liner layer is higher than the temperature in the silicon rubber glass sleeve, the heat is sent into the silicon rubber glass sleeve through the heat-conducting insulation board and the heat-conducting stop block and is absorbed by the rock wool strips and the graphite core, meanwhile, in the process of conducting the heat, the silicon rubber glass sleeve is sealed through the asbestos pad, so that the heat is isolated in the silicon rubber glass sleeve, the influence of the heat on a cable is reduced, and then the heat is uniformly dispersed in the silicon rubber glass sleeve through the effect of the graphite core conduction, the phenomenon that the local temperature of the cable is too high is prevented, the overall temperature of the cable is reduced, and the heat-radiating efficiency is improved;
in addition, when the temperature inside the heat-resistant inner liner layer is lower than the temperature inside the silicon rubber glass sleeve, the heat is reversely conducted by utilizing the matching of the heat-conducting insulating plate and the heat-conducting stop block, so that the temperature inside the silicon rubber glass sleeve reversely enters the soft copper sheet, and the temperature inside the silicon rubber glass sleeve is further reduced.
2. The fire extinguishing device is provided with an annular buckle, an annular sleeve, a cavity, a central annular plate, elastic ropes, movable rings, an expansion airbag, a connecting channel and a cotton baffle plate, and is characterized in that when a cable catches fire, the sealing of the connecting channel is quickly removed, then the elastic ropes at two ends of the central annular plate pull the movable rings to slide in the annular sleeve, so that fire retardant and aluminum hydroxide powder in the cavity are sent into the heat-resistant inner lining layer from the connecting channel, flame is timely extinguished, the spreading of fire is reduced, meanwhile, when the cotton baffle plate is burnt, the extrusion force in the cavity is lost, the extrusion on the expansion airbag is removed, the expansion airbag is forced to open, the movable rings are pushed to move, the moving efficiency of the movable rings in the annular sleeve is increased, the fire retardant and the aluminum hydroxide powder are conveniently and quickly sprayed out, the fire extinguishing efficiency is improved, in addition, the aluminum hydroxide powder sprayed out in the cavity, black smoke generated by burning steam and white smoke are diluted, and the pollution to the environment is reduced.
3. Be provided with interior heat conduction sheet metal, the heat conduction flange, outer heat conduction sheet metal, ripple heat conduction rubber sleeve, the heat conduction silica gel ring, the carbon fiber lantern ring, anticorrosive fire-retardant cover, grid net cover and silicone grease film, fix the silicone grease film in the conductor sleeve outside through the grid net cover and guide the heat, with heat from the inside homodisperse of conductor sleeve inside heat-resisting inner liner, heat conduction sheet metal in the rethread, heat conduction flange and the cooperation of outer heat conduction sheet metal, come out the heat conduction of heat-resisting inner liner inside, then through the cooperation of ripple heat conduction rubber sleeve, further with heat conduction on the heat conduction silica gel ring, thereby make things convenient for the carbon fiber lantern ring in the heat conduction silica gel ring outside to spread out the heat, the inside temperature of heat-resisting inner liner has been reduced, the radiating effect has been improved, ripple heat conduction rubber sleeve elasticity bending's characteristic in addition, when making things convenient for the cable to buckle, keep the conduction to the heat, further improved radiating effect, simultaneously antiseptic fire-retardant cover increases the fire-retardant effect of cable outside corrosion-resistant, the life-span of using is prolonged.
4. Through the support bar, silicon rubber glass sleeve pipe, the arc elastic plate, conductor sleeve pipe, the conductor, the connecting plate, the filling tube, hollow rubber tube and curved surface baffle, cooperation centre gripping through support bar and arc elastic plate, it is fixed to support conductor sleeve pipe, conductor sleeve pipe and conductor are at the inside stability of heat-resisting inner liner layer have been guaranteed, in addition, through the elastic effect of hollow rubber tube, promote curved surface baffle and open, force curved surface baffle and the conductor sleeve pipe outside closely to laminate, thereby further support fixedly to conductor sleeve pipe, the inside stability of cable at heat-resisting inner liner layer has been strengthened, and when the cable is buckling, also can guarantee fixed effect, prevent that conductor sleeve pipe from appearing the phenomenon of landing in heat-resisting inner liner layer, the transmission effect to electric power has been guaranteed, and when the cable catches fire, the inside aluminium hydroxide powder of hollow rubber tube and filling tube can spill, produced smog when neutralizing the cable burning, further reduce the production of smog, the feature of environmental protection has been improved.
Synthesize, effect through hollow rubber tube and curved surface baffle elastic support, improve the inside stability of cable with the cooperation of arc elastic plate, through the graphite core, heat conduction insulation board and soft copper sheet cooperation transmit the dispersion to the heat, prevent that the too high phenomenon of local temperature from appearing in the cable, simultaneously through the heat conduction sheet metal, the heat conduction flange, outer heat conduction sheet metal, ripple heat conduction rubber sleeve, heat conduction silica gel ring and the cooperation of the carbon fiber lantern ring, conduct the heat and further improved radiating effect, the heat-resisting effect of cable has been increased, the fire retardant and the aluminium hydroxide powder cooperation that the cavity sprayed out in addition, when reducing the intensity of a fire and spreading, give off vapor white cigarette and dilute the black cigarette that the burning produced, when reducing the cable and burning, produced smog and harmful gas, reduce the pollution to the environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation structure of the filling tube of the present invention;
FIG. 3 is a schematic view of the mounting structure of the graphite core of the present invention;
FIG. 4 is a schematic cross-sectional view of a cable of the present invention;
FIG. 5 is a schematic view of the mounting structure of the annular sleeve of the present invention;
FIG. 6 is a schematic view of the mounting structure of the movable ring of the present invention;
fig. 7 is a schematic view of the mounting structure of the heat-conducting silica gel ring of the present invention.
Reference numbers in the figures: 1. a heat resistant inner liner layer; 2. a supporting strip; 3. a silicone rubber glass sleeve; 4. an arc-shaped elastic plate; 5. a conductor sleeve; 6. a conductor; 7. rock wool strips; 8. a graphite core; 9. a thermally conductive insulating plate; 10. a soft copper sheet; 11. an asbestos pad; 12. a heat conducting stop block; 13. a connecting plate; 14. a filling tube; 15. an outer liner layer; 16. an annular buckle; 17. an annular sleeve; 18. a cavity; 19. a central ring plate; 20. an elastic cord; 21. a movable ring; 22. inflating the balloon; 23. a connecting channel; 24. a cotton baffle; 25. an inner heat conducting sheet; 26. a heat conductive convex plate; 27. an outer heat conductive sheet; 28. a corrugated heat-conducting rubber sleeve; 29. a heat-conducting silica gel ring; 30. a carbon fiber ferrule; 31. an anti-corrosion flame-retardant sleeve; 32. a grid mesh; 33. a silicone grease film; 34. a hollow rubber tube; 35. curved surface baffle.
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 (b): as shown in fig. 1-7, the invention provides a technical scheme, a low-smoke environment-friendly high-temperature-resistant fireproof cable, which comprises a heat-resistant inner liner layer 1, wherein support bars 2 are fixedly connected to the inner wall of the heat-resistant inner liner layer 1 at equal intervals, a silicon rubber glass sleeve 3 is installed at the central position inside the heat-resistant inner liner layer 1, arc elastic plates 4 are fixedly connected to the outer sides of the silicon rubber glass sleeve 3 at equal intervals, conductor sleeves 5 are clamped between the support bars 2 and the arc elastic plates 4 corresponding to the inner position of the heat-resistant inner liner layer 1, conductors 6 are uniformly filled inside the conductor sleeves 5, the conductor sleeves 5 and the conductors 6 form a cable, in order to improve the stability of the conductor sleeves 5, five support bars 2 and five arc elastic plates 4 are respectively arranged, the installation positions of the support bars 2 correspond to the installation positions of the arc elastic plates 4, and the outer sides of the arc elastic plates 4 are attached to the outer sides of the conductor sleeves 5;
rock wool strips 7 are fixedly connected with the inside of the silicon rubber glass sleeve 3 at equal intervals, graphite cores 8 are filled in the rock wool strips 7, heat-conducting insulation plates 9 are movably connected with the outside of the silicon rubber glass sleeve 3 at equal intervals, soft copper sheets 10 are fixedly connected with positions, corresponding to the inner sides of the arc elastic plates 4, of one ends of the heat-conducting insulation plates 9, asbestos pads 11 are fixedly connected with positions, corresponding to the two sides of the heat-conducting insulation plates 9, of the outside of the silicon rubber glass sleeve 3, heat-conducting stop blocks 12 are arranged at the positions, corresponding to the inner sides of the rock wool strips 7, of the other ends of the heat-conducting insulation plates 9, in order to transfer heat, one ends of the heat-conducting insulation plates 9 penetrate through the inner wall of the silicon rubber glass sleeve 3, notches are formed in positions, corresponding to the heat-conducting stop blocks 12, of the inner wall of the rock wool strips 7, and the outer sides of the soft copper sheets 10 are attached to the inner walls of the arc elastic plates 4;
filling tubes 14 are filled in the heat-resistant inner lining layer 1 at equal intervals between two corresponding conductor sleeves 5, a connecting plate 13 is fixedly connected between every two adjacent filling tubes 14, in order to reduce smoke generation in case of fire, aluminum hydroxide powder is uniformly filled in the filling tubes 14, and the filling tubes 14 are uniformly distributed between the two conductor sleeves 5;
an outer lining layer 15 is sleeved on the outer side of a heat-resistant inner lining layer 1, annular buckles 16 are fixedly connected to the inner wall of the outer lining layer 15 and the outer side of the heat-resistant inner lining layer 1 at equal intervals, annular sleeves 17 are clamped inside the annular buckles 16, cavities 18 are formed inside the annular sleeves 17, a central ring plate 19 is fixedly connected to the central position inside the cavities 18, elastic ropes 20 are fixedly connected to the two ends of the central ring plate 19 at equal intervals, movable rings 21 are fixedly connected to the other ends of the elastic ropes 20, combustion improver and aluminum hydroxide powder are filled between the two corresponding movable rings 21 inside the cavities 18 for preventing fire from spreading in time, the outer sides of the two movable rings 21 are slidably connected with the inner wall of the cavities 18, expansion air bags 22 are filled in the positions inside the annular sleeves 17 corresponding to the outer sides of the two corresponding movable rings 21, the expansion air bags 22 are compressed and fixed inside the cavities 18 for pushing the movable rings 21 to move, the expansion air bags 22 are oval, one end of each expansion air bag 22 is fixedly connected with one end of the movable ring 21, a connecting channel 23 is fixedly connected to the position inside the central ring plate 19 at equal intervals, and a cotton baffle 24 is fixedly connected to the position inside the heat-resistant inner lining layer 1; in order to conveniently ignite the cotton baffle plate 24 when a fire breaks out, one end of the connecting channel 23 penetrates through the inner wall of the heat-resistant inner liner layer 1, the cotton baffle plate 24 is arc-shaped, and the outer side of the cotton baffle plate 24 is attached to the inner wall of the heat-resistant inner liner layer 1;
the inner wall of the heat-resistant inner liner 1 is fixedly connected with inner heat-conducting thin plates 25 at equal intervals corresponding to the positions on the two sides of the annular sleeve 17, the outer sides of the two inner heat-conducting thin plates 25 are fixedly connected with heat-conducting convex plates 26 at equal intervals, the outer sides of the heat-conducting convex plates 26 are fixedly connected with outer heat-conducting thin plates 27 at positions corresponding to the positions on the outer sides of the heat-resistant inner liner 1, for the convenience of heat dissipation, one ends of the heat-conducting convex plates 26 penetrate through the outer sides of the heat-resistant inner liner 1, the outer sides of the inner heat-conducting thin plates 25 are attached to the inner wall of the heat-resistant inner liner 1, the inner walls of the outer liner 15 are fixedly connected with corrugated heat-conducting rubber sleeves 28 at positions corresponding to the outer sides of the outer heat-conducting thin plates 27, heat-conducting silica gel rings 29 are fixedly connected to the inner walls of the outer liner 15 at positions corresponding to the outer sides of the corrugated heat-conducting rubber sleeves 28, anti-corrosion flame-retardant sleeves 31 are sleeved on the outer sides of the outer liner 15, carbon fiber sleeve rings 30 are fixedly connected at equal intervals corresponding to the positions on the outer sides of the outer heat-conducting silica gel rings 29, the inner walls of the corrugated heat-conducting rubber sleeves 28 are attached to the outer heat-conducting thin plates 27, and the outer sides of the carbon fiber sleeves 30, for the outer carbon fiber sleeves, and the outer side of the anti-corrosion-conducting thin plates 27, and the carbon fiber sleeves 31 are attached to the outer side of the carbon fiber sleeves 30;
grid net cover 32 has been cup jointed in the 5 outsides of conductor sleeve, conductor sleeve 5 outsides correspond grid net cover 32 mesh inside position department fixedly connected with silicone grease film 33, 2 one ends of support bar correspond two conductor sleeve 5 between position department fixedly connected with hollow rubber tube 34, hollow rubber tube 34 both ends fixedly connected with curved surface baffle 35, in order to support conductor sleeve 5, the inside packing of hollow rubber tube 34 has aluminium hydroxide powder, the curved surface baffle 35 outside is laminated with the 5 outsides of conductor sleeve mutually, the curved surface baffle 35 other end and 2 one end fixed connection of support bar.
The working principle and the using process of the invention are as follows: at first, cooperation centre gripping through support bar 2 and arc elastic plate 4, support fixedly to conductor sleeve 5, conductor sleeve 5 and conductor 6 have been guaranteed at the inside stability of heat-resisting inner liner 1, in addition through the elastic effect of hollow rubber tube 34, it opens to promote curved surface baffle 35, force curved surface baffle 35 and the 5 outside of conductor sleeve closely to laminate, thereby it is fixed to further support conductor sleeve 5, the stability of cable in heat-resisting inner liner 1 is strengthened, and when the cable is buckling, also can guarantee fixed effect, prevent that conductor sleeve 5 from appearing the phenomenon of landing in heat-resisting inner liner 1, the transmission effect to electric power has been guaranteed.
Then, when the temperature inside the cable is too high, the silicone grease film 33 fixed on the outer side of the conductor sleeve 5 by the grid mesh 32 is used for guiding heat, so that the heat is conveniently and uniformly dispersed inside the heat-resistant inner liner 1 from the inside of the conductor sleeve 5, the temperature inside the heat-resistant inner liner 1 is higher than that inside the silicone rubber glass sleeve 3, then the soft copper sheet 10 is used for adsorbing the heat, the heat is conducted through the matching of the heat-conducting insulation plate 9 and the heat-conducting stop block 12, and then the heat is sent into the silicone rubber glass sleeve 3 and absorbed by the rock wool strips 7 and the graphite core 8, in addition, in the process of conducting the heat, the joint of the silicone rubber glass sleeve 3 and the heat-conducting insulation plate 9 is sealed through the asbestos pad 11, so that the heat is isolated inside the silicone rubber glass sleeve 3, the influence of the heat on the cable is reduced, and the heat is uniformly dispersed inside the silicone rubber glass sleeve 3 through the conduction effect of the graphite core 8, the phenomenon that the local over-high temperature of the cable is prevented from occurring, the whole temperature of the cable is reduced, and the heat radiation efficiency is improved;
then, the heat inside the heat-resistant inner liner layer 1 is conducted out through the matching of the inner heat-conducting thin plate 25, the heat-conducting convex plate 26 and the outer heat-conducting thin plate 27, and then the heat is further conducted to the heat-conducting silica gel ring 29 through the matching of the corrugated heat-conducting rubber sleeve 28, so that the heat is conveniently diffused out by the carbon fiber sleeve ring 30 outside the heat-conducting silica gel ring 29, the temperature inside the heat-resistant inner liner layer 1 is reduced, the heat dissipation effect is improved, and in addition, the corrugated heat-conducting rubber sleeve 28 has the characteristic of elastic bending, so that the cable is convenient to bend, the heat conduction is kept, and the heat dissipation effect is further ensured;
then, when the temperature inside the heat-resistant inner liner layer 1 is lower than the temperature inside the silicone rubber glass sleeve 3, the heat is reversely conducted by utilizing the matching of the heat-conducting insulating plate 9 and the heat-conducting stop block 12, so that the temperature inside the silicone rubber glass sleeve 3 reversely enters the soft copper sheet 10, and the temperature inside the silicone rubber glass sleeve 3 is further reduced;
finally, when the cable is on fire, the flame can quickly burn the cotton baffle plate 24 to remove the sealing of the connecting channel 23, then the elastic ropes 20 at the two ends of the central annular plate 19 pull the movable rings 21 to slide in the annular sleeve 17, so that the flame retardant and the aluminum hydroxide powder in the cavity 18 are sent into the heat-resistant inner liner layer 1 from the connecting channel 23, the flame is extinguished in time, the spread of the fire is reduced, meanwhile, when the cotton baffle plate 24 is burnt, the extrusion force in the cavity 18 is lost, the extrusion on the expansion air bag 22 is removed, the expansion air bag 22 is forced to open, the movable rings 21 are pushed to move, the efficiency of the movable rings 21 moving in the annular sleeve 17 is increased, the flame retardant and the aluminum hydroxide powder are conveniently and quickly sprayed out, the fire extinguishing efficiency is improved, in addition, the hollow rubber tube 34 and the filling tube 14 can be burnt together, the aluminum hydroxide powder in the cavity can flow out and is matched with the aluminum hydroxide powder sprayed out from the cavity 18, and the black smoke generated during burning of the cable and harmful gas generated during burning can be reduced, and the pollution to the environment can be reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a low smoke environment-friendly high temperature resistant fireproof cable, includes heat-resisting inner liner layer (1), its characterized in that: the inner wall of the heat-resistant inner lining layer (1) is fixedly connected with support bars (2) in an equidistant mode, and a silicon rubber glass sleeve (3) is installed in the center of the interior of the heat-resistant inner lining layer (1);
an outer lining layer (15) is sleeved on the outer side of the heat-resistant inner lining layer (1), the inner wall of the outer lining layer (15) and the outer side of the heat-resistant inner lining layer (1) are fixedly connected with annular buckles (16) at equal intervals, annular sleeves (17) are clamped inside the annular buckles (16), cavities (18) are formed inside the annular sleeves (17), a central annular plate (19) is fixedly connected at the inner central positions of the cavities (18), elastic ropes (20) are fixedly connected at the two ends of the central annular plate (19) at equal intervals, movable rings (21) are fixedly connected at the other ends of the elastic ropes (20), expansion air bags (22) are filled at the positions, corresponding to the outer sides of the two movable rings (21), inside the annular sleeves (17), corresponding to the inner side positions of the central annular plate (19), at equal intervals, connecting channels (23) are fixedly connected at the inner side positions of the annular sleeves (17), and one ends of the connecting channels (23) are fixedly connected with cotton baffles (24) at the positions corresponding to the inner side of the heat-resistant inner lining layer (1);
filling pipes (14) are filled in the heat-resistant lining layer (1) at equal intervals between two corresponding conductor sleeves (5), and a connecting plate (13) is fixedly connected between every two adjacent filling pipes (14);
arc elastic plates (4) are fixedly connected to the outer side of the silicon rubber glass sleeve (3) at equal intervals, conductor sleeves (5) are clamped between the supporting strips (2) and the arc elastic plates (4) and correspond to the inner positions of the heat-resistant inner lining layer (1), and conductors (6) are uniformly filled in the conductor sleeves (5);
a combustion improver and aluminum hydroxide powder are filled between the two corresponding movable rings (21) in the cavity (18), and the outer sides of the two movable rings (21) are in sliding connection with the inner wall of the cavity (18);
the inflatable air bag (22) is compressed and fixed in the cavity (18), the inflatable air bag (22) is oval, and one end of the inflatable air bag (22) is fixedly connected with one end of the movable ring (21).
2. The low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 1, characterized in that: one end of the connecting channel (23) penetrates through the inner wall of the heat-resistant inner lining layer (1), the cotton baffle (24) is arc-shaped, and the outer side of the cotton baffle (24) is attached to the inner wall of the heat-resistant inner lining layer (1);
the filling pipe (14) is uniformly filled with aluminum hydroxide powder, and the filling pipe (14) is uniformly distributed between the two conductor sleeves (5).
3. The low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 2, characterized in that: rock wool strips (7) are fixedly connected to the inside of the silicon rubber glass sleeve (3) at equal intervals, a graphite core (8) is filled in the rock wool strips (7), heat-conducting insulation plates (9) are movably connected to the outer side of the silicon rubber glass sleeve (3) at equal intervals, soft copper sheets (10) are fixedly connected to positions, corresponding to the inner side of the arc elastic plate (4), of one end of each heat-conducting insulation plate (9), asbestos pads (11) are fixedly connected to positions, corresponding to the two sides of each heat-conducting insulation plate (9), of the outer side of the silicon rubber glass sleeve (3), and heat-conducting stop blocks (12) are arranged at positions, corresponding to the inside of the rock wool strips (7), of the other end of each heat-conducting insulation plate (9);
heat-conducting sheet metal (25) in heat-resisting inner liner (1) inner wall corresponds annular cover (17) both sides position department equidistance fixedly connected with, heat-conducting sheet metal (25) outside equidistance fixedly connected with heat-conducting flange (26), heat-conducting flange (26) outside corresponds outer heat-conducting sheet metal (27) of heat-resisting inner liner (1) outside position department fixedly connected with, outer liner (15) inner wall corresponds outer heat-conducting sheet metal (27) outside position department fixedly connected with ripple heat-conducting rubber cover (28), outer liner (15) inner wall corresponds ripple heat-conducting rubber cover (28) outside position department fixedly connected with heat-conducting silica gel ring (29), anticorrosive fire-retardant cover (31) have been cup jointed in the outer liner (15) outside, and anticorrosive fire-retardant cover (31) inside corresponds heat-conducting silica gel ring (29) outside position department equidistance fixedly connected with carbon fiber sleeve ring (30).
4. A low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 3, characterized in that: the number of the support bars (2) is five, the mounting positions of the support bars (2) correspond to the mounting positions of the arc elastic plates (4), and the outer sides of the arc elastic plates (4) are attached to the outer sides of the conductor sleeves (5);
one end of the heat-conducting insulating plate (9) penetrates through the inner wall of the silicon rubber glass sleeve (3), a notch is formed in the position, corresponding to the heat-conducting stop block (12), of the inner wall of the rock wool strip (7), and the outer side of the soft copper sheet (10) is attached to the inner wall of the arc-shaped elastic plate (4).
5. The low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 4, characterized in that: one end of the heat-conducting convex plate (26) penetrates through the outer side of the heat-resistant inner lining layer (1), the outer side of the inner heat-conducting thin plate (25) is attached to the inner wall of the heat-resistant inner lining layer (1), and the inner wall of the outer heat-conducting thin plate (27) is attached to the outer side of the heat-resistant inner lining layer (1).
6. The low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 5, characterized in that: the inner wall of the corrugated heat-conducting rubber sleeve (28) is attached to the outer side of the outer heat-conducting thin plate (27), and the outer side of the carbon fiber lantern ring (30) penetrates through the outer side of the anti-corrosion flame-retardant sleeve (31).
7. The low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 1, characterized in that: conductor sleeve (5) outside has cup jointed grid net cover (32), conductor sleeve (5) outside corresponds grid net cover (32) mesh inside position department fixedly connected with silicone grease film (33), support bar (2) one end corresponds hollow rubber tube (34) of position department fixedly connected with between two conductor sleeve (5), hollow rubber tube (34) both ends fixedly connected with curved surface baffle (35).
8. The low-smoke environment-friendly high-temperature-resistant fireproof cable according to claim 7, characterized in that: the aluminum hydroxide powder is filled in the hollow rubber tube (34), the outer side of the curved surface baffle plate (35) is attached to the outer side of the conductor sleeve (5), and the other end of the curved surface baffle plate (35) is fixedly connected with one end of the support bar (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211188302.7A CN115295238B (en) | 2022-09-28 | 2022-09-28 | Low-smoke environment-friendly high-temperature-resistant fireproof cable |
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| CN202211188302.7A CN115295238B (en) | 2022-09-28 | 2022-09-28 | Low-smoke environment-friendly high-temperature-resistant fireproof cable |
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| CN115295238A CN115295238A (en) | 2022-11-04 |
| CN115295238B true CN115295238B (en) | 2023-01-06 |
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| CN202211188302.7A Active CN115295238B (en) | 2022-09-28 | 2022-09-28 | Low-smoke environment-friendly high-temperature-resistant fireproof cable |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115762894B (en) * | 2023-01-06 | 2023-03-31 | 京缆电缆有限公司 | Safe type 110kV high tension cable convenient to connect |
| CN115831468B (en) * | 2023-01-13 | 2023-05-30 | 天元电缆集团有限公司 | Power cable for intelligent energy and application method thereof |
| CN115810444B (en) * | 2023-02-03 | 2023-04-28 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant environment-friendly low-voltage cable |
| CN116525194B (en) * | 2023-04-10 | 2024-04-26 | 济南马世基智能环保科技有限公司 | Power cable for high-current-carrying capacity wind generating set |
| CN116230304B (en) * | 2023-04-25 | 2023-06-30 | 通利达线缆集团有限公司 | High-temperature-resistant aluminum alloy high-voltage cable |
| CN117059316B (en) * | 2023-09-04 | 2024-01-16 | 顺心线缆有限公司 | 15kV protection type medium-voltage flame-retardant cable |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215730950U (en) * | 2021-08-03 | 2022-02-01 | 河北金桥线缆有限公司 | Cold-resistant long-life flame retarded cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU99651U1 (en) * | 2010-07-02 | 2010-11-20 | Открытое акционерное общество "Рыбинсккабель" | FLEXIBLE HEAT RESISTANT WIRE |
| CN111755159B (en) * | 2020-07-16 | 2021-10-12 | 湖南省通信建设有限公司 | Computer network communication is with anticorrosive integrative electric wire structure |
| CN113192680B (en) * | 2021-05-14 | 2022-05-13 | 安徽金环电气设备有限责任公司 | High-flame-retardant high-temperature-resistant heat dissipation cable |
| CN114283984A (en) * | 2021-12-27 | 2022-04-05 | 刘忠尧 | Anti-breaking cable and protection method thereof |
| CN217306180U (en) * | 2022-01-20 | 2022-08-26 | 浙江驰鹰电线电缆有限公司 | High-temperature-resistant low-smoke halogen-free flame-retardant power cable |
| CN217280196U (en) * | 2022-05-26 | 2022-08-23 | 安徽凌宇电缆科技有限公司 | Low-smoke halogen-free flame-retardant fire-resistant cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215730950U (en) * | 2021-08-03 | 2022-02-01 | 河北金桥线缆有限公司 | Cold-resistant long-life flame retarded cable |
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