CN112289492A - Nuclear-grade cable and manufacturing method thereof - Google Patents
Nuclear-grade cable and manufacturing method thereof Download PDFInfo
- Publication number
- CN112289492A CN112289492A CN202011210865.2A CN202011210865A CN112289492A CN 112289492 A CN112289492 A CN 112289492A CN 202011210865 A CN202011210865 A CN 202011210865A CN 112289492 A CN112289492 A CN 112289492A
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- Prior art keywords
- nuclear
- cable
- shockproof
- ring
- layer
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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
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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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
- H01B7/0045—Cable-harnesses
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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
- H01B7/189—Radial force absorbing layers providing a cushioning effect
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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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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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
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a nuclear-grade cable and a manufacturing method thereof, relating to the technical field of cables and comprising the following steps. This nuclear-grade cable and manufacturing method thereof, through preventing the radiation layer to slow down the internal flame retardant coating of strong radiation to a certain extent, the circle that takes precautions against earthquakes, the guard ring, the main electric wire, the damage of auxiliary electric wire and auxiliary block, and this cable can avoid causing the power transmission with this cable after damaging to this cable to a certain extent through setting up the main electric wire and a plurality of auxiliary electric wires to be cut off completely to a certain extent, thereby solved present most nuclear-grade cable mainly at low smoke, there is not had the nuclear radiation function of preventing to a certain extent and then has appeared receiving nuclear radiation to influence self low smoke, there is no halogen, the problem that characteristics such as fire-retardant lead to nuclear-grade cable function to lose in nuclear-grade cable mainly makes development on characteristics such as fire-retardant.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a nuclear-grade cable and a manufacturing method thereof.
Background
Nuclear cable is mostly used in the process of building and operating nuclear power station, a million kilowatt nuclear power unit needs various cables, the model number is more than 100, the total length is nearly 200 kilometers, the value is about 1 hundred million yuan, five categories such as power cable, control cable, measuring cable, communication cable and fireproof cable (silicon insulated cable) are divided according to the purpose, the five categories not only have the general characteristics of common cable, namely electrifying and flexibility, but also need to have the characteristics of low smoke, zero halogen, flame retardance and the like, and can normally operate within a certain time when fire disaster and other disasters occur, so that the working personnel can be guaranteed to rescue corresponding equipment and personnel, but most of the nuclear cables are mainly developed on the characteristics of low smoke, zero halogen, flame retardance and the like, and do not have the nuclear radiation prevention function to a certain degree, and further, the nuclear cable is influenced by the nuclear radiation to self low smoke, and the nuclear power unit can not be used for rescuing to a certain extent, The loss of the function of the nuclear-grade cable caused by the characteristics of no halogen, flame retardance and the like is solved by the nuclear-grade cable and the manufacturing method thereof.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a nuclear-grade cable and a manufacturing method thereof, and solves the problem that most of the nuclear-grade cables are mainly developed on the characteristics of low smoke, zero halogen, flame retardance and the like, do not have the nuclear radiation prevention function to a certain extent, and further cause the loss of the nuclear-grade cable function due to the influence of nuclear radiation on the nuclear-grade cable to the characteristics of low smoke, zero halogen, flame retardance and the like.
(II) technical scheme
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a nuclear grade cable comprising a main wire, wherein: main electric wire fixed connection is in the guard circle, four separate layers of the even fixedly connected with of guard circle lateral surface, four all be provided with the auxiliary wire in four division holes that the separate layer encloses, it is a plurality of the equal swing joint has auxiliary block, a plurality of all around of auxiliary wire the equal fixed connection of auxiliary block is on the separate layer, four the equal fixed connection of separate layer other end is on the circle inner wall that takes precautions against earthquakes, take precautions against earthquakes in the circle lateral surface fixedly connected with on the flame retardant coating inner wall, the spoke layer inner circle is prevented to interior flame retardant coating outer lane fixedly connected with, spoke layer outer lane fixed connection is on outer flame retardant coating inner wall, the even fixedly connected with of outer flame retardant coating outer lane is.
Preferably, the plurality of shockproof strips are all provided with a reticular strip, and cooling liquid is arranged in the reticular strip.
Preferably, the net-shaped strip is made of steel wires made of refractory materials, and the net-shaped strip has an anti-corrosion property.
Preferably, the inner fire-proof layer and the outer fire-proof layer are made of thermoplastic flame-retardant halogen-free materials, and the shockproof ring, the shockproof strip and the protective ring are made of shock-absorbing soft materials.
Preferably, the main wire and the auxiliary wires are long wires for transmitting power, and the separation layers and the auxiliary blocks are made of rubber.
Preferably, the radiation-proof layer is a loop bag formed by cloth made of lead threads in a sewing mode.
A manufacturing method of a nuclear-grade cable specifically comprises the following steps:
the cable comprises a main wire, a plurality of auxiliary wire outer side surfaces, a protective ring, a separation layer, an auxiliary block and a shockproof ring, wherein the main wire and the auxiliary wire outer side surfaces are bonded with the protective ring, the separation layer, the auxiliary block and the shockproof ring, the shockproof ring outer side surfaces are bonded with an inner fireproof layer, an inner fireproof layer is further sewn on the inner fireproof layer outer side surface, an outer fireproof layer is bonded on the outer side of the spoke-proof layer, a plurality of reticular strips injected with cooling liquid are placed on the outer side surface of the spoke-proof layer, and the shockproof strips are bonded.
(III) advantageous effects
The invention has the beneficial effects that:
the nuclear-grade cable and the manufacturing method thereof are characterized in that damage to a main wire and an auxiliary wire arranged in the cable due to strong vibration in the vibration process is avoided through the shockproof strip, the reticular strip arranged in the shockproof strip, the auxiliary block, the shockproof ring and the protective ring, meanwhile, the toughness of the cable can be enhanced through the reticular strip arranged in the shockproof strip, when the cable is burnt at high temperature, the cable can still avoid damage to the main wire and the auxiliary wire within a certain time when the cable is burnt at high temperature through cooling liquid arranged in the reticular strip, the inner fireproof layer and the outer fireproof layer ensure that the cable can still avoid damage to the main wire and the auxiliary wire within a certain time when the cable is burnt at high temperature, and the cable can reduce damage to the inner fireproof layer, the shockproof ring, the protective ring, the main wire, the auxiliary wire and the auxiliary block to a certain degree through the radiation-proof layer when nuclear radiation is met, further ensure the actual functionality of the cable, and the cable can avoid damage to the electric wire in a certain direction to The power transmission of the cable is completely cut off after the cable is damaged, so that the problem that most of nuclear-grade cables are mainly developed on the characteristics of low smoke, zero halogen, flame retardance and the like, do not have the nuclear radiation prevention function to a certain degree, and the nuclear-grade cable loses the function due to the fact that the nuclear-grade cable is affected by nuclear radiation and has low smoke, zero halogen, flame retardance and the like is solved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a partial structural view of a radiation protective layer according to the present invention;
FIG. 3 is a cross-sectional view of the shockproof strip of the present invention.
In the figure: the anti-radiation protective device comprises a protective ring 1, a main wire 2, a separation layer 3, a shockproof ring 4, an auxiliary wire 5, an auxiliary block 6, an inner fireproof layer 7, an anti-radiation layer 8, a shockproof strip 9, an outer fireproof layer 10 and a reticular strip 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: a nuclear-grade cable comprises a main wire 2, the main wire 2 is fixedly connected in a protective ring 1, the protective ring 1 is used for further ensuring the protection functionality of the main wire 2, thereby ensuring the functional practicability of the device, the outer side surface of the protective ring 1 is uniformly and fixedly connected with four separation layers 3, auxiliary wires 5 are arranged in four separation holes defined by the four separation layers 3, the peripheries of the auxiliary wires 5 are movably connected with auxiliary blocks 6, the auxiliary blocks 6 and the separation layers 3 are arranged for stably placing a plurality of auxiliary cables, thereby ensuring the functional practicability of the device, the auxiliary blocks 6 are fixedly connected on the separation layers 3, the other ends of the four separation layers 3 are fixedly connected on the inner wall of a shockproof ring 4, the outer side surface of the shockproof ring 4 is fixedly connected on the inner wall of an inner fireproof layer 7, the outer ring of the inner fireproof layer 7 is fixedly connected with an inner ring of a radiation-proof layer 8, the outer ring of the radiation-proof layer 8 is fixedly connected, the setting of radiation protection layer 8 is in order to avoid nuclear radiation to cause the damage to this cable, and then guarantees the functional practicality of this cable, and a plurality of shockproof strips 9 of the even fixedly connected with in outer flame retardant coating 10 outer lane, and the setting of shockproof strip 9 is for stabilizing placing of cable, also is for slowing down the damage that vibrations led to the fact this cable to a certain extent simultaneously.
All be provided with netted strip 11 in a plurality of shockproof strips 9, be provided with cooling liquid in the netted strip 11, its purpose is for strengthening the anti-vibration functional of this cable, also is the resistance to high temperature in order to increase this cable simultaneously, and then further guarantees the device's functional practicality.
The net-shaped strips 11 are made of steel wires made of fire-resistant materials, and the net-shaped strips 11 have anti-corrosion characteristics, so that the tensile capacity of the cable is improved, and the structural stability of the cable is further ensured.
The inner fireproof layer 7 and the outer fireproof layer 10 are both made of thermoplastic flame-retardant halogen-free materials, and the shockproof ring 4, the shockproof strip 9 and the protective ring 1 are all made of shock-absorbing soft materials, so that the high-temperature combustion resistance and shock resistance of the cable are further guaranteed.
Main electric wire 2 and a plurality of auxiliary electric wire 5 are the long wire of transmission electric power, and a plurality of separate layers 3 and a plurality of auxiliary block 6 are the rubber material, and its purpose is in order to be relatively stable with the position of main electric wire 2 and a plurality of auxiliary tank, and then guarantee the stability in use of device.
The radiation-proof layer 8 is a ring bag formed by cloth made of lead threads in a sewing mode.
A manufacturing method of a nuclear-grade cable specifically comprises the following steps:
firstly, a main wire 2 and the outer side surfaces of a plurality of auxiliary wires 5 are bonded with a protective ring 1, a separation layer 3, an auxiliary block 6 and a shockproof ring 4, then the outer side surface of the shockproof ring 4 is bonded with an inner fireproof layer 7, a radiation-proof layer 8 is sewn on the outer side surface of the inner fireproof layer 7, then the outer side surface of the radiation-proof layer 8 is bonded with an outer fireproof layer 10, finally, a plurality of reticular strips 11 injected with cooling liquid are placed on the outer side surface of the radiation-proof layer 8, and meanwhile, the outer side surfaces of the reticular strips 11 are bonded with shockproof strips 9 to complete the processing and manufacturing.
The method comprises the following operation steps:
in the using process of the cable, the main wire 2 and the auxiliary wire 5 which are arranged in the cable can be prevented from being damaged due to strong vibration in the vibration process through the shockproof strip 9, the reticular strip 11 which is arranged in the shockproof strip 9, the auxiliary block 6, the shockproof ring 4 and the protective ring 1, the toughness of the cable can be enhanced through the reticular strip 11 which is arranged in the shockproof strip 9, the structural stability of the cable is further ensured, when the cable is burnt at high temperature, the cable can be ensured to be still capable of preventing the main wire 2 and the auxiliary wire 5 from being damaged within a certain time when being burnt at high temperature through cooling liquid, the inner fireproof layer 7 and the outer fireproof layer 10 which are arranged in the reticular strip 11, the equipment and data protection time of workers is further reserved, and the cable can slow down strong radiation to a certain degree through the radiation-proof layer 8 when meeting nuclear radiation, the internal fireproof layer 7, Shockproof circle 4, guard ring 1, main electric wire 2, the damage of auxiliary electric wire 5 and auxiliary block 6, and then guarantee the actual functionality of this cable, this cable can avoid causing the electric power transmission of damage back to this cable to a certain extent to be cut off completely through setting up main electric wire 2 and a plurality of auxiliary electric wire 5 in addition to a certain extent, and then avoided this cable to a certain extent the possibility of being cut off the electric power transmission function instantaneously, thereby guaranteed the device's structural functionality.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A nuclear grade cable comprising a main electric wire (2), characterized in that: the main electric wire (2) is fixedly connected in the protective ring (1), the outer side surface of the protective ring (1) is uniformly and fixedly connected with four separating layers (3), auxiliary electric wires (5) are arranged in four separating holes surrounded by the four separating layers (3), auxiliary blocks (6) are movably connected around the auxiliary electric wires (5), the auxiliary blocks (6) are fixedly connected on the separating layers (3), the other ends of the four separating layers (3) are fixedly connected on the inner wall of the shockproof ring (4), the outer side surface of the shockproof ring (4) is fixedly connected with the inner wall of the inner fireproof layer (7), the outer ring of the inner fireproof layer (7) is fixedly connected with the inner ring of the anti-radiation layer (8), the outer ring of the radiation-proof layer (8) is fixedly connected on the inner wall of the outer fireproof layer (10), the outer ring of the outer fireproof layer (10) is uniformly and fixedly connected with a plurality of shockproof strips (9).
2. A nuclear grade cable according to claim 1, wherein: the shockproof device is characterized in that a plurality of shockproof strips (9) are internally provided with a reticular strip (11), and cooling liquid is arranged in the reticular strip (11).
3. A nuclear grade cable according to claim 2, wherein: the net-shaped strips (11) are made of steel wires made of fireproof materials, and the net-shaped strips (11) have the anti-corrosion property.
4. A nuclear grade cable according to claim 1, wherein: the inner fireproof layer (7) and the outer fireproof layer (10) are both made of thermoplastic flame-retardant halogen-free materials, and the shockproof ring (4), the shockproof strip (9) and the protective ring (1) are all made of shock-absorbing soft materials.
5. A nuclear grade cable according to claim 1, wherein: the main electric wire (2) and the auxiliary electric wires (5) are long electric wires for transmitting electric power, and the separation layers (3) and the auxiliary blocks (6) are made of rubber.
6. A nuclear grade cable according to claim 1, wherein: the spoke-proof layer (8) is a loop bag formed by cloth made of lead threads in a sewing mode.
7. A manufacturing method of a nuclear-grade cable specifically comprises the following steps:
firstly, main electric wire (2) and a plurality of auxiliary electric wire (5) lateral surface bonding guard ring (1), separate layer (3), auxiliary block (6) and shockproof circle (4), then circle (4) lateral surface bonding inner flame retardant coating (7) will take precautions against earthquakes, and then with interior flame retardant coating (7) lateral surface sewing up web protection layer (8), later will prevent that web protection layer (8) outside bonds outer flame retardant coating (10), will prevent at last that web protection layer (8) lateral surface places a plurality of netted strips (11) that have the cooling liquid of injection, accomplish the manufacturing of this cable with netted strip (11) lateral surface bonding shockproof strip (9) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210865.2A CN112289492A (en) | 2020-11-03 | 2020-11-03 | Nuclear-grade cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210865.2A CN112289492A (en) | 2020-11-03 | 2020-11-03 | Nuclear-grade cable and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112289492A true CN112289492A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011210865.2A Pending CN112289492A (en) | 2020-11-03 | 2020-11-03 | Nuclear-grade cable and manufacturing method thereof |
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| CN (1) | CN112289492A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006012624U1 (en) * | 2006-08-16 | 2007-02-08 | Svt Brandschutz Vertriebsgesellschaft Mbh International | Cable bandage for fire protection-technical purposes, has carrier material provided on its inner side with insulating-layer formation/ablation construction material and with plastic or metal layer on its outer side |
| CN103886988A (en) * | 2014-02-25 | 2014-06-25 | 安徽怡和电缆有限公司 | Fireproof control cable |
| CN109087748A (en) * | 2018-08-15 | 2018-12-25 | 金学庆 | A kind of fire-retardant fireproof power cable |
| CN109448899A (en) * | 2018-12-04 | 2019-03-08 | 江苏特宝利尔特种电缆有限公司 | A kind of shield machine high-pressure anti-wear damage flat cable and preparation method thereof |
| CN211654397U (en) * | 2020-05-06 | 2020-10-09 | 上海永进电缆(集团)有限公司 | Radiation-resistant copper conductor cable |
-
2020
- 2020-11-03 CN CN202011210865.2A patent/CN112289492A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006012624U1 (en) * | 2006-08-16 | 2007-02-08 | Svt Brandschutz Vertriebsgesellschaft Mbh International | Cable bandage for fire protection-technical purposes, has carrier material provided on its inner side with insulating-layer formation/ablation construction material and with plastic or metal layer on its outer side |
| CN103886988A (en) * | 2014-02-25 | 2014-06-25 | 安徽怡和电缆有限公司 | Fireproof control cable |
| CN109087748A (en) * | 2018-08-15 | 2018-12-25 | 金学庆 | A kind of fire-retardant fireproof power cable |
| CN109448899A (en) * | 2018-12-04 | 2019-03-08 | 江苏特宝利尔特种电缆有限公司 | A kind of shield machine high-pressure anti-wear damage flat cable and preparation method thereof |
| CN211654397U (en) * | 2020-05-06 | 2020-10-09 | 上海永进电缆(集团)有限公司 | Radiation-resistant copper conductor cable |
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Application publication date: 20210129 |
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