CN113284660A - High temperature resistant winter protection cable - Google Patents
High temperature resistant winter protection cable Download PDFInfo
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- CN113284660A CN113284660A CN202110527462.9A CN202110527462A CN113284660A CN 113284660 A CN113284660 A CN 113284660A CN 202110527462 A CN202110527462 A CN 202110527462A CN 113284660 A CN113284660 A CN 113284660A
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Classifications
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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
-
- 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
- H01B7/02—Disposition of insulation
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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
-
- 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
-
- 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
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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
-
- 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
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
Abstract
The invention relates to the technical field of cables, in particular to a high-temperature-resistant cold-proof cable which comprises a cable core, the cable core is coated with an insulating layer, a temperature detection mechanism and a temperature adjusting mechanism are arranged outside the insulating layer, wherein the temperature detection mechanism comprises a thermal resistance piece coated on the outer surface of the insulating layer, an inner layer temperature sensor contacted with the outer surface of the insulating layer is arranged on the inner surface of the thermal resistance piece, the outer surface of the thermal resistance piece is provided with an outer layer temperature sensor, the temperature adjusting mechanism comprises a plurality of adjusting water pipes, the heat-conducting fins are arranged between the adjusting water pipe and the insulating layer, one side, close to the adjusting water pipe, of each heat-conducting fin is provided with an installation pipe, gaps are formed between every two adjacent heat-conducting fins, the heat-conducting fins and the heat resistance pieces, a water leakage detection mechanism is arranged in each gap, and a heat insulation layer is arranged on the outer side of the adjusting water pipe. The invention can provide good heat dissipation or heat preservation for the surrounding cable core, thereby ensuring the long-term service life of the cable.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a high-temperature-resistant cold-proof cable.
Background
As is well known, cables are used in various industries, such as power systems: the electric wire and cable products adopted by the electric power system mainly comprise an overhead bare wire, a bus bar (bus), an electric power cable (plastic cable, oilpaper cable (basically replaced by the plastic electric power cable), a rubber sleeve cable, an overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire, an electric equipment wire and cable for electric power equipment and the like; information transmission: the electric wire and cable used for the information transmission system mainly comprises a local telephone cable, a television cable, an electronic cable, a radio frequency cable, an optical fiber cable, a data cable, an electromagnetic wire, an electric power communication or other composite cables and the like; an instrument system: almost all other products except the overhead bare wire are applied, but mainly power cables, electromagnetic wires, data cables, instrument cables and the like, and in some mechanical industries, especially engineering machinery, the cables are indispensable tools for transmitting power. The installation environment of the cable has great differences, for example, the temperature in northwest may reach more than twenty degrees below zero in winter, and the temperature in summer reaches more than 40 degrees, and the cable also partially exposes in the environment below zero, so the requirements of heat resistance and cold resistance need to be considered at the same time.
Disclosure of Invention
Aiming at the problems, the invention provides a high-temperature-resistant cold-proof cable to solve the problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high-temperature-resistant cold-proof cable comprises a cable core, wherein an insulating layer is coated outside the cable core, a temperature detection mechanism and a temperature adjustment mechanism are arranged outside the insulating layer, the temperature detection mechanism comprises a thermal resistor coated on the outer surface of the insulating layer, an inner layer temperature sensor contacted with the outer surface of the insulating layer is arranged on the inner surface of the thermal resistor, an outer layer temperature sensor is arranged on the outer surface of the thermal resistor, the inner layer temperature sensor and the outer layer temperature sensor are positioned on the same radial straight line of the cable core, the temperature adjustment mechanism comprises a plurality of adjusting water pipes, the adjusting water pipes are uniformly arranged along the radial direction of the cable core at intervals, a heat conducting strip is arranged between the adjusting water pipes and the insulating layer, an installation pipe is arranged on one side, close to the adjusting water pipes, of the heat conducting strip is positioned in the installation pipe, gaps are formed between every two adjacent heat conducting fins, every two adjacent heat conducting fins and every two adjacent heat resisting pieces, a water leakage detection mechanism is arranged in each gap, a heat insulation layer is arranged on the outer side of each adjusting water pipe, a cold-proof shielding layer is arranged on the outer side of each heat insulation layer, a flame-retardant layer is arranged on the outer side of each cold-proof shielding layer, an anti-corrosion layer is arranged on the outer side of each flame-retardant layer, and an armor layer is arranged on the outer side of each anti-corrosion layer.
Among this technical scheme, detect the temperature of cable core through thermal resistance piece, when the inside high temperature of cable core, adjust the water pipe and dispel the heat to it, when the inside low temperature of cable core, adjust the water pipe and warm-keeping to its intensification, the detection mechanism that leaks is used for detecting and adjusts the water pipe and whether leaks, the cable core can be protected to the insulating layer, prevent that the cable core from receiving external influence, the thermal-insulated layer can reduce the influence of external temperature to the cable core, reduce the quick change of external temperature to the influence of thermal resistance piece simultaneously.
Preferably, the water leakage detection mechanism comprises an expansion water absorption layer arranged outside the insulating layer, a pressure sensor is arranged at a position where the side wall of each heat conduction sheet is in contact with the expansion water absorption layer, a water through hole is further formed in the side wall of the heat conduction sheet on the same side as the pressure sensor, the water through hole is communicated with the installation pipe and the gap, and the center of the water through hole at one end of the gap is located in the same radial direction as the pressure sensor.
Therefore, when water leaks from a certain position of the adjusting water pipe, the water flows into the expansion water absorption layer through the water through hole, the expansion water absorption layer absorbs the leaked water and expands, then the pressure sensor is pressed, when the pressure of the pressure sensor changes, the water leakage of the adjusting water pipe can be judged, meanwhile, the pressure sensor and the water through hole are positioned on the same side, when the water leaks from a certain adjusting water pipe, the pressure sensors on two sides of the adjusting water pipe can detect the pressure, and therefore the water leakage of the adjusting water pipe can be judged.
Preferably, a plurality of pressure sensors are arranged in each heat-conducting fin and distributed at equal intervals along the axial direction of the cable core, the water through holes are arranged corresponding to the pressure sensors, the distance between the pressure sensors and the axis of the cable core is equal, the pressure sensors in the same radial direction are connected in series through wires, and the wires are located inside the heat-conducting fins and the thermal resistance pieces.
Thus, when a certain section of the adjusting water pipe leaks water, the pressure of the pressure sensor near the water leakage point changes, so that the range of the water leakage point of the adjusting water pipe is judged.
Preferably, a waterproof layer is arranged between the expansion water absorption layer and the insulating layer.
Thus, the cable core can be better protected and prevented from contacting water.
Preferably, the expansion water absorption layer is made of a plurality of mutually sticky water absorption resins, the water absorption resins are spherical particles, and the diameter of the water absorption resins is smaller than the area of the contact surface of the pressure sensor and the expansion water absorption layer.
Thus, the diameter of the water-absorbent resin is smaller than that of the pressure sensor, and a plurality of water-absorbent resins are in contact with the pressure sensor before water absorption, but the pressure of the water-absorbent resin on the pressure sensor can be small at the moment, and after water absorption, the volume of the water-absorbent resin is increased, and the water-absorbent resin in contact with the pressure sensor is extruded by other water-absorbent resins to apply pressure to the pressure sensor, so that the pressure value of the pressure sensor is changed.
Preferably, the cold-proof shielding layer comprises a PET resin layer and ITO nano-particles dispersed in the PET resin layer, and the ITO nano-particles in the cold-proof shielding layer are ring layers surrounding the cable core.
Preferably, the water through hole close to one end of the gap is in contact with the expansion water absorption layer.
Thus, the leaked water directly contacts the monthly swelling water-absorbing layer through the water through hole.
Preferably, the cross section of the thermal resistor is a sector, and the angle alpha of the thermal resistor covering the cable core is 15 degrees.
Preferably, the adjusting water pipe comprises a hot water pipe and a cold water pipe, and the hot water pipe and the cold water pipe are arranged at intervals.
Thus, the temperature of the cable core can be set in two modes, when the weather is cold, the hot water pipe can be filled with water, and when the weather is hot, the cold water pipe can be filled with water.
Preferably, a heat insulation layer is arranged on the inner side of the pressure sensor.
A high temperature resistant winter protection cable has following technological effect:
the high-temperature-resistant cold-proof cable provided by the invention is provided with the armor layer, the flame-retardant layer, the anti-corrosion layer, the cold-proof shielding layer and the insulating layer, so that the protection performance of the internal cable core is good, and the adjusting water pipes are arranged around the cable core, so that good heat dissipation or heat preservation can be provided for the surrounding cable core, and the long-time service life of the cable is ensured.
Drawings
Fig. 1 is a schematic structural view of a high-temperature resistant and cold-proof cable according to the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
fig. 3 is a schematic cross-sectional view of the cable core, the waterproof layer and the expansion water-absorbing layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to solve the technical problems, the invention adopts the following technical scheme:
as shown in fig. 1-3, a high temperature resistant and cold-proof cable includes a cable core 1, an insulating layer 2 is coated outside the cable core 1, a temperature detecting mechanism and a temperature adjusting mechanism are provided outside the insulating layer 2, wherein the temperature detecting mechanism includes a thermal resistor 3 coated on an outer surface of the insulating layer 2, an inner temperature sensor (not identified in the figure) contacting with an outer surface of the insulating layer 2 is provided on an inner surface of the thermal resistor 3, an outer temperature sensor is provided on an outer surface of the thermal resistor 3, the inner temperature sensor and the outer temperature sensor (not identified in the figure) are located on the same radial straight line of the cable core 1, the temperature adjusting mechanism includes a plurality of adjusting water pipes 4, the adjusting water pipes 4 are uniformly spaced along the radial direction of the cable core 1, in this embodiment, there are 7 adjusting water pipes 4, the solar water heater comprises 3 hot water pipes 4a and 4 cold water pipes 4b, wherein the hot water pipes 4a and the cold water pipes 4b are arranged at intervals, the number of the cold water pipes and the number of the hot water pipes can be set according to specific geographic positions, two water pipes are arranged to set the temperature of a cable core in two modes, when the weather is cold, water can be supplied to the hot water pipes, and when the weather is hot, water can be supplied to the cold water pipes.
A heat conducting sheet 5 is arranged between the adjusting water pipe 4 and the insulating layer 2, one side of the heat conducting sheet 5 close to the adjusting water pipe 4 is provided with an installation pipe 5a, the installation pipe and the heat conducting sheet are connected through hot melt adhesive, the heat conducting sheet is made of copper-aluminum alloy, the installation pipe is made of heat conducting rubber, the adjusting water pipe 4 is positioned in the installation pipe 5a, a gap 14 is arranged between every two adjacent heat conducting sheets 5, the heat conducting sheet 5 and the heat resistance piece 3, and a water leakage detection mechanism is arranged in the gap 14, wherein the diameter of the installation pipe 5a is slightly larger than that of the adjusting water pipe 4, specifically, the diameter of the installation pipe 5a is 1mm-3mm larger than that of the adjusting water pipe 4, so that the stability of the adjusting water pipe in the installation pipe can be ensured, the temperature of the adjusting water pipe can be transmitted to the heat conducting sheet, and the adjusting water pipe can have a certain small gap in the installation pipe, if the water leakage occurs when the adjusting water pipe is damaged, water can flow out through the limber hole quickly, so that the water leakage detection mechanism can detect the damage of the adjusting water pipe quickly. The outside of adjusting water pipe 4 is equipped with thermal-insulated layer 6, is connected through the hot melt adhesive between thermal-insulated layer and conducting strip and the installation pipe, and does not have the gap between thermal-insulated layer and conducting strip and the installation pipe, thermal-insulated layer 6's the outside is equipped with winter protection shielding layer 7, winter protection shielding layer 7's the outside is equipped with fire-retardant layer 8, fire-retardant layer 8's the outside is equipped with anti-corrosion coating 9, anti-corrosion coating 9's the outside is equipped with armor 10.
In this technical scheme, detect the temperature of cable core through thermal resistance piece, when cable core internal temperature was too high, adjust the water pipe and dispel the heat to it, when cable core internal temperature was crossed low, adjust the water pipe and warm-keeping its intensification, the detection mechanism that leaks is used for detecting and adjusts the water pipe and whether leaks, the cable core can be protected to the insulating layer, prevent that the cable core from receiving external influence, the heat insulating layer can reduce the influence of external temperature to the cable core, reduce the quick change of external temperature to the influence of thermal resistance piece simultaneously
In this embodiment, the water leakage detection mechanism includes an expansion water absorption layer 11 disposed outside the insulating layer 1, a pressure sensor 12 is mounted at a position where a side wall of each of the heat conductive sheets 5 contacts the expansion water absorption layer 11, a water passage hole 5b is further formed in the side wall of the heat conductive sheet 5 on the same side as the pressure sensor 12, the water passage hole 5b communicates with the mounting pipe 5a and the gap 14, and a center of the water passage hole 5b located at one end of the gap 14 is located in the same radial direction as the pressure sensor 12. Specifically, the side wall of the heat conducting sheet is provided with a groove, and the pressure sensor is embedded in the groove. The pressure sensor can adopt a miniature wireless pressure sensor, and the specific model can be selected from the existing ones on the market according to the actual conditions.
Therefore, when water leaks from a certain position of the adjusting water pipe, the water flows into the expansion water absorption layer through the water through hole, the expansion water absorption layer absorbs the leaked water and expands, then the pressure sensor is pressed, when the pressure of the pressure sensor changes, the water leakage of the adjusting water pipe can be judged, meanwhile, the pressure sensor and the water through hole are positioned on the same side, when the water leaks from a certain adjusting water pipe, the pressure sensors on two sides of the adjusting water pipe can detect the pressure, and therefore the water leakage of the adjusting water pipe can be judged.
In this embodiment, a plurality of pressure sensors 12 are disposed in each heat conducting strip 5, and the plurality of pressure sensors 12 are distributed at equal intervals along the axial direction of the cable core 1, specifically, the heat conducting strip is provided with grooves at equal intervals along the axial direction of the cable core, the grooves are communicated through wire holes, the pressure sensors are disposed in the grooves, wires for energizing the pressure sensors are disposed in the wire holes, and the wires are hermetically fixed on the heat conducting strip by sealing plugs and the wire holes in a sealing fit manner; the surface of the pressure sensor is coated with waterproof paint, and the existing waterproof paint on the market can be used, so that the waterproof requirement of the pressure sensor and the wire thereof can be met.
The water through hole 5b is arranged corresponding to the pressure sensor 12, the distance between the pressure sensor 12 and the axis of the cable core 1 is equal, the pressure sensors 12 located in the same radial direction are connected in series through a lead, and the lead is located inside the heat conducting sheet 5 and the heat resistance piece 3.
Therefore, when a certain section of the adjusting water pipe leaks water, the pressure of the pressure sensor near the water leakage point changes, so that the range of the water leakage point of the adjusting water pipe is judged, and a worker can conveniently find and maintain the adjusting water pipe.
In this embodiment, a waterproof layer 15 is disposed between the expansion water-absorbing layer 11 and the insulating layer 2.
Thus, the cable core can be better protected and prevented from contacting water.
In this embodiment, the swelling water-absorbing layer 11 is formed by adhering a plurality of water-absorbing resins stacked one on another, the water-absorbing resins are adhered to the waterproof layer, the water-absorbing resins are spherical particles, and the diameter of the water-absorbing resins is smaller than the area of the contact surface between the pressure sensor 12 and the swelling water-absorbing layer 11.
Thus, the diameter of the water-absorbent resin is smaller than that of the pressure sensor, and a plurality of water-absorbent resins are in contact with the pressure sensor before water absorption, but the pressure of the water-absorbent resin on the pressure sensor can be small at the moment, and after water absorption, the volume of the water-absorbent resin is increased, and the water-absorbent resin in contact with the pressure sensor is extruded by other water-absorbent resins to apply pressure to the pressure sensor, so that the pressure value of the pressure sensor is changed.
In this embodiment, the cold-proof shielding layer 8 includes a PET resin layer and ITO nanoparticles dispersed in the PET resin layer, and the ITO nanoparticles in the cold-proof shielding layer are a ring layer surrounding the cable core. The average grain diameter of the ITO (indium tin oxide) nano-particles 42 is preferably less than 50 nanometers, so that better heat absorption and cold protection effects are achieved; meanwhile, because the ITO (indium tin oxide) has good conductivity, the ITO (indium tin oxide) nanoparticles 42 in the cold-proof shielding layer 4 are further arranged to form a ring layer surrounding the copper alloy wire core 1, so that the effect of heat absorption and cold prevention is achieved, and the effect of shielding electronic radiation is achieved.
In this embodiment, the water passage hole 5a near one end of the gap 14 is in contact with the swelling water-absorbing layer 11.
Thus, the leaked water directly contacts the monthly swelling water-absorbing layer through the water through hole.
In this embodiment, the cross section of the thermal resistor 3 is a sector, and the angle α of the thermal resistor 3 covering the cable core is 15 °.
In this embodiment, a heat insulation layer 13 is disposed inside the pressure sensor.
In this way, the pressure sensor may be less affected by temperature.
The flame-retardant layer is made of polyamide resin of glass fiber, the polyamide resin has high mechanical strength, good toughness, good self-lubricating property and friction resistance and excellent heat resistance, particularly, after the glass fiber is further reinforced, the thermal deformation temperature of the flame-retardant layer reaches more than 250 ℃, the waterproof layer and the insulating layer are both made of silicon rubber, and the silicon rubber has excellent insulating property and can bear the working temperature of not less than 200 ℃; the anti-corrosion layer is made of polyether-ether-ketone, the cable is protected by the anti-corrosion layer in an anti-corrosion mode, the armor layer is made of thin steel wires, the flexibility of the cable is not affected, the cable can be protected, the heat insulation layer can be made of flexible ceramic silicon rubber materials, the heat insulation layer can be made of heat insulation materials, and the heat insulation layer is referred to as CN201821183242.9 and is named as a copper strip shielding control cable, and can also be made of silicon rubber plates, polytetrafluoroethylene, silicon rubber and the like. For the method of detecting the temperature of the cable core by the thermal resistor, reference may be made to the method in patent application No. CN201310430168.1 and the patent name "cable conductor temperature measuring apparatus and measuring method thereof", and details are not repeated here.
The pressure sensor, the inner layer temperature sensor and the outer layer temperature sensor are all connected with the controller, and the controller can be a controller with a common type on the market.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. The high-temperature-resistant cold-proof cable is characterized by comprising a cable core (1), wherein an insulating layer (2) is coated outside the cable core (1), a temperature detection mechanism and a temperature adjusting mechanism are arranged outside the insulating layer (2), the temperature detection mechanism comprises a thermal resistance piece (3) coated on the outer surface of the insulating layer (2), an inner layer temperature sensor in contact with the outer surface of the insulating layer (2) is arranged on the inner surface of the thermal resistance piece (3), an outer layer temperature sensor is arranged on the outer surface of the thermal resistance piece (3), the inner layer temperature sensor and the outer layer temperature sensor are positioned on the same radial straight line of the cable core (1), the temperature adjusting mechanism comprises a plurality of adjusting water pipes (4), the adjusting water pipes (4) are uniformly arranged at intervals in the radial direction of the cable core (1), and a heat conducting sheet (5) is arranged between the adjusting water pipes (4) and the insulating layer (2), the utility model discloses a water pipe, including adjusting water pipe (4), conducting strip (5), adjusting water pipe (4), clearance (14) between conducting strip (5), conducting strip (5) and the thermal resistance piece (3), be equipped with the detection mechanism that leaks in clearance (14), the outside of adjusting water pipe (4) is equipped with heat insulating layer (6), the outside of heat insulating layer (6) is equipped with winter protection shielding layer (7), the outside of winter protection shielding layer (7) is equipped with fire-retardant layer (8), the outside of fire-retardant layer (8) is equipped with anti-corrosion coating (9), the outside of anti-corrosion coating (9) is equipped with armor (10).
2. The high-temperature-resistant cold-proof cable as claimed in claim 1, wherein the water leakage detection mechanism comprises an expansion water absorption layer (11) arranged outside the insulating layer (1), a pressure sensor (12) is mounted at a position where the side wall of each heat-conducting fin (5) contacts with the expansion water absorption layer (11), a water through hole (5b) is further formed in the side wall of the heat-conducting fin (5) on the same side as the pressure sensor (12), the water through hole (5b) is communicated with the mounting pipe (5a) and the gap (14), and the center of the water through hole (5b) at one end of the gap (14) is located in the same radial direction as the pressure sensor (12).
3. The high-temperature-resistant and cold-proof cable according to claim 1, wherein a plurality of pressure sensors (12) are arranged in each heat conducting fin (5), the pressure sensors (12) are distributed at equal intervals along the axial direction of the cable core (1), the water through holes (5b) are arranged corresponding to the pressure sensors (12), the distance between the pressure sensors (12) and the axial center of the cable core (1) is equal, the pressure sensors (12) in the same radial direction are connected in series through wires, and the wires are located inside the heat conducting fins (5) and the heat-resistant pieces (3).
4. A high-temperature resistant and cold-proof cable as claimed in claim 1, wherein a waterproof layer (15) is provided between said expansion water-absorbing layer (11) and said insulating layer (2).
5. The high-temperature-resistant cold-proof cable as claimed in claim 1, wherein the swelling water-absorbing layer (11) is a plurality of water-absorbing resins adhered to each other, the water-absorbing resins are spherical particles, and the diameter of the water-absorbing resins is smaller than the area of the contact surface between the pressure sensor (12) and the swelling water-absorbing layer (11).
6. A high temperature resistant cold-proof cable as claimed in claim 1, wherein said cold-proof shielding layer (8) comprises a PET resin layer and ITO nanoparticles dispersed in the PET resin layer, and the ITO nanoparticles in the cold-proof shielding layer are in a ring layer surrounding the cable core.
7. A cable as claimed in claim 2, characterised in that said water passage holes (5a) close to one end of said interspace (14) are in contact with said expanded water-absorbing layer (11).
8. A high temperature resistant and cold-proof cable as claimed in claim 1, wherein said heat resistant member (3) has a fan-shaped cross section, and said heat resistant member (3) covers the cable core at an angle α of 15 °.
9. The high-temperature-resistant cold-proof cable as claimed in claim 1, wherein the adjusting water pipe (4) comprises a hot water pipe (4a) and a cold water pipe (4b), and the hot water pipe (4a) and the cold water pipe (4b) are arranged at intervals.
10. A high-temperature resistant and cold-proof cable as claimed in claim 1, characterized in that the pressure sensor (12) is provided with a thermal insulation layer (13) on the inside. The thermal resistance piece (3) is bonded on the outer surface of the cable through heat-conducting silicon glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527462.9A CN113284660A (en) | 2021-05-14 | 2021-05-14 | High temperature resistant winter protection cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527462.9A CN113284660A (en) | 2021-05-14 | 2021-05-14 | High temperature resistant winter protection cable |
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| Publication Number | Publication Date |
|---|---|
| CN113284660A true CN113284660A (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110527462.9A Pending CN113284660A (en) | 2021-05-14 | 2021-05-14 | High temperature resistant winter protection cable |
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| CN (1) | CN113284660A (en) |
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| DE102014206000A1 (en) * | 2014-03-31 | 2015-10-01 | Siemens Aktiengesellschaft | cooler |
| CN205810401U (en) * | 2016-06-08 | 2016-12-14 | 安徽虹都电缆集团有限公司 | Antifreeze heat proof cable |
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| CN107403662A (en) * | 2017-07-20 | 2017-11-28 | 安徽华宝电缆有限责任公司 | The cold-proof wear-resistant cable of grate-cooler |
| CN108962480A (en) * | 2018-06-12 | 2018-12-07 | 内蒙古万蒙电缆有限责任公司 | A kind of Combined cable |
| CN109786021A (en) * | 2019-02-12 | 2019-05-21 | 江苏长城电缆有限公司 | Strong smart grid digital transformer substation adverse circumstances special cable |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014206000A1 (en) * | 2014-03-31 | 2015-10-01 | Siemens Aktiengesellschaft | cooler |
| CN205810401U (en) * | 2016-06-08 | 2016-12-14 | 安徽虹都电缆集团有限公司 | Antifreeze heat proof cable |
| CN106782811A (en) * | 2016-12-03 | 2017-05-31 | 安徽中润电缆集团股份有限公司 | A kind of multicore resistance to compression high-temperature cable |
| CN107403662A (en) * | 2017-07-20 | 2017-11-28 | 安徽华宝电缆有限责任公司 | The cold-proof wear-resistant cable of grate-cooler |
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Application publication date: 20210820 |
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