CN208637187U - A kind of self-bearing strengthening computer cable for nuclear power plant - Google Patents
A kind of self-bearing strengthening computer cable for nuclear power plant Download PDFInfo
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- CN208637187U CN208637187U CN201821550276.7U CN201821550276U CN208637187U CN 208637187 U CN208637187 U CN 208637187U CN 201821550276 U CN201821550276 U CN 201821550276U CN 208637187 U CN208637187 U CN 208637187U
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Abstract
The utility model discloses a kind of self-bearing strengthening computer cable for nuclear power plant, including insulated wire cores and shielding line group, insulated wire cores successively include leading body from the inside to the outside, interior flame retardant coating, outer flame retardant coating, inner insulating layer and external insulation layer, leading body is by centered on the spinning synthetic fibre yarn of bundle strand and it twists the tin plating soft copper conductor of multiply again and is constituted around synthetic fibre yarn is spun, two insulated wire cores pair twists constitute twisted pair wire group, shielding line group successively includes twisted pair wire group from the inside to the outside, interior wrapping layer, internal shield, several shielding line groups are twisted into cable core, cable core gap setting filled layer, filled layer is internally provided with tensile layer, outer wrapping layer is successively enclosed on cable core from the inside to the outside, sheath, external shielding layer, flame-retardant layer and outer jacket.The utility model improves the rate of information transmission, has good shielding properties, while capability of resistance to radiation is strong, and insulation and excellent fire retarding performance, flexibility is good, and bears characteristic with excellent, effectively extends the service life of cable.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, and in particular to a kind of self-bearing strengthening used in nuclear power station computer
Cable.
Background technique
Nuclear power as a kind of clean energy resource, for meet China Power demand, Optimization of Energy Structure, reduce environmental pollution,
Promote economical energy resources sustainable development that there is own strategic significance.Cable run system as nuclear power station " blood vessel " and " nerve "
System plays very important effect, and the key element of safety in terms of the normal operation of nuclear power station and safe shutdown.Nuclear power
Stand field of employment condition it is harsher, it is desirable that cable will not only have the general characteristic of common cable, but also should also have anti-
Cracking, low cigarette, Halogen, fire-retardant, service life long performance, also to have it is specific environment resistant, such as radiation hardness, resistance to LOCA.
Computer cable use scope industrially and dosage are also increasing very fast, and the condition of field of employment is more severe
It carves, in the special industries such as steel, petroleum, chemical industry and some high temperature places or the stronger adverse circumstances of corrosivity, it is desirable that
Matching used cable heat-resisting quantity with higher, anticorrosive property, while guaranteeing fireproofing of cable performance again, it is domestic very much
Enterprise is researched and developed, and using traditional steel band or wire armoring, just bears the pulling force of cable, which not only adds cables
Own wt also adds the outer diameter of cable, is not easy to worker and installs, and due to that can easily cause electricity after cable installation
Magnetic radiation pollution.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, technical problem to be solved in the utility model is to propose that a kind of self-bearing type adds
Strong type computer cable for nuclear power plant, be dedicated to solve background technique in whole issue or one of.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: self-bearing strengthening nuclear power
It stands with computer cable, including insulated wire cores and shielding line group, the insulated wire cores successively include leading body from the inside to the outside, interior resistance to
Fire bed, outer flame retardant coating, inner insulating layer and external insulation layer, the leading body is by centered on the spinning synthetic fibre yarn of bundle strand, and around spinning synthetic fibre
It twists the tin plating soft copper conductor of multiply again and constitutes yarn, and two insulated wire cores pair twists constitute twisted pair wire groups, the shielding line group by
It is interior to including successively outside twisted pair wire group, interior wrapping layer, internal shield, several described shielding line groups are twisted into cable core, the cable
Core gap setting filled layer, the filled layer are internally provided with tensile layer, be successively enclosed with from the inside to the outside on the cable core it is outer around
Covering, sheath, external shielding layer, flame-retardant layer and outer jacket, the internal shield, external shielding layer are high density copper wire and aramid yarn
Co-knit forms.
Preferably, the interior flame retardant coating and outer flame retardant coating are calcinated type mica tapes, and calcinated type mica tape two sides are all provided with
It is equipped with organic siliconresin gluing glass fabric strengthening course.
Preferably, the inner insulating layer is ethylene propylene rubber insulation material, and external insulation layer is the low cigarette polyene of irradiation crosslinking halogen-free
Hydrocarbon insulating materials.
Preferably, the inner insulating layer and external insulation layer thickness proportion are 6:4.
Preferably, the count of the internal shield, external shielding layer is not less than 85%.
Preferably, the interior wrapping layer is the wrapped polyester belt of two superimposed, and the filled layer is halogen-free low-smoke high-flame glass
Towline.
Preferably, the outer wrapping layer and flame-retardant layer are halogen-free low-smoke high-flame twining package tapes.
Preferably, the tensile layer is that multiply fiber composite core twists again, intensity >=2200MPa of the tensile layer.
Preferably, the sheath, outer jacket are irradiation crosslinking halogen-free low-smoke flame-proof polyolefin materials.
The utility model beneficial effect is:
1. the utility model leading body use centered on the spinning synthetic fibre yarn of bundle strand and around spin synthetic fibre yarn its to twist multiply again tin plating
Soft copper conductor, the tensile strength due to spinning synthetic fibre yarn are even higher than steel wire, so, improve cable bears intensity, improves electricity
The flexibility of cable reduces bending radius when installation and operation.
2. interior flame retardant coating and outer flame retardant coating are that two sides are provided with through organic siliconresin gluing glass in the utility model
The calcinated type mica tape of fiber cloth strengthening course, two sides are connected with strengthening course to calcinated type mica tape up and down, and whole tensile strength is high,
Adhesive structure is reliable and stable.
3. inner insulating layer is ethylene propylene rubber insulation material in the utility model, it is ensured that the insulation performance of cable and be not likely to produce
Permanent deformation, it is outer to be extruded with irradiation crosslinking halogen-free low-smoke flame-proof polyolefin external insulation layer, it is ensured that the flame retardant property of cable, it is interior exhausted
Edge layer and external insulation layer thickness proportion are 6:4, while meeting the insulation performance and flame retardant property of cable, and that improves cable uses the longevity
Life.
4. the fiber composite enhancing tensile layer that the utility model is constituted using fiber composite core replaces steel-tape armouring, due to multiple
The intensity for closing core is much higher than the intensity of steel wire, and the specific gravity of composite core only has the 1/4 of steel wire, and this reduces the ontologies of cable
Weight improves the tensile strength of whole cable.
5. fiber composite enhancing tensile layer is set to inside filled layer by the utility model, the outer diameter of cable is reduced, just
In installation, while also ensuring the warp resistance performance of cable.
6. the utility model internal shield, external shielding layer are that copper wire and aramid yarn Co-knit form, screen is not only acted as
The effect covered, and play a dual role of supplement reinforce tension, have, at the same with steel-tape armouring and steel wire winding armouring
It compares, there is excellent bending property.
7. the utility model structure is simple, rationally, the stability of information transmission is enhanced, improve the speed of information transmission
Rate has good shielding properties, while capability of resistance to radiation is strong, and insulation and excellent fire retarding performance, flexibility is good, and has excellent
Bear characteristic, Cable Bending Radius is bigger, and easy for construction, stretch-proof effect is good, effectively extend cable use the longevity
Life.
Detailed description of the invention
Content expressed by this specification attached drawing and the label in figure are briefly described below:
Fig. 1 is the structural schematic diagram of computer cable in specific embodiment of the present invention.
In figure: the outer flame retardant coating of flame retardant coating, 3- in 1- alloy conductor, 2-, 4- inner insulating layer, 5- external insulation layer, 6- wrapping layer,
7- shielded layer, 8- filled layer, 9- tensile layer, 10- wrapping layer, 11- sheath, 12- shielded layer, 13- flame-retardant layer, 14- outer jacket.
Specific embodiment
Below by the description to embodiment, the shape of for example related each component of specific embodiment of the present utility model
Shape, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and operation
Application method etc., is described in further detail, to help those skilled in the art to conceive the utility model of the utility model,
Technical solution has more complete, accurate and deep understanding.
A kind of self-bearing strengthening computer cable for nuclear power plant, including insulated wire cores and shielding line group, insulated wire cores by
It is interior to outside successively include leading body, interior flame retardant coating 3, outer flame retardant coating 4, inner insulating layer 5 and external insulation layer 6, leading body is by with bundle strand
Spinning synthetic fibre yarn 1 centered on, and it twists the tin plating soft copper conductor 2 of multiply again and constitutes around synthetic fibre yarn 1 is spun, it is desirable that each stock spins synthetic fibre yarn 1 without breaking
Stock and tension is uniform when bundle strand, it is desirable that tinned copper conductor surface answers smooth, rounding, impulse- free robustness, tin-free layer to scrape to injure and fall off, due to
The tensile strength for spinning synthetic fibre yarn 1 is even higher than steel wire, so improve cable bears intensity and flexibility, when reducing installation and operation
Bending radius, two insulated wire cores pair twists constitute twisted pair wire groups, shielding line group successively include from the inside to the outside twisted pair wire group, it is interior around
Covering 7, internal shield 8, several shielding line groups are twisted into cable core, cable core gap setting filled layer 9, are arranged inside filled layer 9
There is tensile layer 10, is successively enclosed with outer wrapping layer 11, sheath 12, external shielding layer 13,14 and of flame-retardant layer on cable core from the inside to the outside
Outer jacket 15, internal shield 8, external shielding layer 13 are that copper wire and aramid yarn Co-knit form, internal shield 8, external shielding layer 13
Count be not less than 85%, not only act as the effect of shielding, and play the role of supplement reinforce tension, have it is dual
Effect, while compared with steel-tape armouring and steel wire winding armouring, there is excellent bending property；Interior flame retardant coating 3 and outer flame retardant coating 4
It is equal calcinated type mica tape, calcinated type mica tape two sides are provided with organic siliconresin gluing glass fabric strengthening course, calcining
The type mica tape strengthening course that two sides connect up and down, whole tensile strength is high, and adhesive structure is reliable and stable；Inner insulating layer 5 is second
Third rubber insulation material, it is ensured that the insulation performance of cable and be not likely to produce permanent deformation, external insulation layer 6 is that irradiation crosslinking halogen-free is low
Cigarette crosslinked polyolefin insulating material, it is ensured that the flame retardant property of cable, inner insulating layer 5 and 6 thickness proportion of external insulation layer are 6:4, full simultaneously
The insulation performance and flame retardant property of sufficient cable, improve the service life of cable；Interior wrapping layer 7 is the wrapped polyester belt of two superimposed,
Filled layer 9 is halogen-free low-smoke high-flame glass fiber rope, guarantees the flame retardant property of cable；Outer wrapping layer 11 and flame-retardant layer 14 are two layers
It is overlapped wrapped halogen-free low-smoke high-flame twining package tape；Tensile layer 10 is that multiply fiber composite core twists again, and fiber composite enhancing is anti-
It draws layer 10 to be set to inside filled layer 9, reduces the outer diameter of cable, be easily installed, while also ensuring the warp resistance of cable
Can, intensity >=2200MPa of tensile layer 10, the fiber composite enhancing tensile layer 10 constituted using fiber composite core replaces steel band armour
Dress, since the intensity of composite core is much higher than the intensity of steel wire, and the specific gravity of composite core only has the 1/4 of steel wire, this reduces
This body weight of cable improves the tensile strength of whole cable；Sheath 12, outer jacket 15 are to select irradiation crosslinking halogen-free
Low-smoke flame-retardant polyolefin sheathed material extrudes structure.
The utility model structure is simple, rationally, enhances the stability of information transmission, improves the rate of information transmission,
With good shielding properties, while capability of resistance to radiation is strong, and insulation and excellent fire retarding performance, flexibility is good, and has excellent
Characteristic is born, Cable Bending Radius is bigger, and easy for construction, stretch-proof effect is good, effectively extends the service life of cable.
The utility model is exemplarily described above, it is clear that the utility model implements not by aforesaid way
Limitation, as long as not using the method concept of the utility model and the improvement of various unsubstantialities that technical solution carries out, or not
It is improved that the conception and technical scheme of the utility model are directly applied into other occasions, in the protection model of the utility model
Within enclosing.The protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (9)
1. a kind of self-bearing strengthening computer cable for nuclear power plant, including insulated wire cores and shielding line group, it is characterised in that: institute
State insulated wire cores successively includes leading body, interior flame retardant coating (3), outer flame retardant coating (4), inner insulating layer (5) and external insulation from the inside to the outside
Layer (6), by centered on the spinning synthetic fibre yarn (1) of bundle strand, and around synthetic fibre yarn (1) is spun, it twists the tin plating soft copper of multiply again and leads the leading body
Body (2) is constituted, and two insulated wire cores pair twists constitute twisted pair wire group, and the shielding line group successively includes twisted pair wire from the inside to the outside
Group, interior wrapping layer (7), internal shield (8), several described shielding line groups are twisted into cable core, the cable core gap setting filling
Layer (9), the filled layer (9) is internally provided with tensile layer (10), and the cable core periphery is successively enclosed with outer wrapping layer (11), interior
Sheath (12), external shielding layer (13), flame-retardant layer (14) and outer jacket (15), the internal shield (8), external shielding layer (13) are copper
Silk and aramid yarn Co-knit form.
2. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: in described
Flame retardant coating (3) and outer flame retardant coating (4) are calcinated type mica tapes, and calcinated type mica tape two sides are provided with organic siliconresin glue
Viscous glass fabric strengthening course.
3. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: in described
Insulating layer (5) is ethylene propylene rubber insulation material, and external insulation layer (6) is the low cigarette crosslinked polyolefin insulating material of irradiation crosslinking halogen-free.
4. according to claim 1 or a kind of self-bearing strengthening computer cable for nuclear power plant described in 3, it is characterised in that:
The inner insulating layer (5) and external insulation layer (6) thickness proportion are 6:4.
5. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: in described
Shielded layer (8), external shielding layer (13) count be not less than 85%.
6. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: in described
Wrapping layer (7) is the wrapped polyester belt of two superimposed, and the filled layer (9) is halogen-free low-smoke high-flame glass fiber rope.
7. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: described outer
Wrapping layer (11) and flame-retardant layer (14) are halogen-free low-smoke high-flame twining package tapes.
8. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: described anti-
Drawing layer (10) is that multiply fiber composite core twists again, intensity >=2200MPa of the tensile layer (10).
9. a kind of self-bearing strengthening computer cable for nuclear power plant according to claim 1, it is characterised in that: in described
Sheath (12), outer jacket (15) are irradiation crosslinking halogen-free low-smoke flame-proof polyolefin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550276.7U CN208637187U (en) | 2018-09-21 | 2018-09-21 | A kind of self-bearing strengthening computer cable for nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550276.7U CN208637187U (en) | 2018-09-21 | 2018-09-21 | A kind of self-bearing strengthening computer cable for nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208637187U true CN208637187U (en) | 2019-03-22 |
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ID=65744028
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821550276.7U Expired - Fee Related CN208637187U (en) | 2018-09-21 | 2018-09-21 | A kind of self-bearing strengthening computer cable for nuclear power plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN208637187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696717A (en) * | 2020-06-26 | 2020-09-22 | 寇金臣 | Multi-core branch combination cable |
-
2018
- 2018-09-21 CN CN201821550276.7U patent/CN208637187U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696717A (en) * | 2020-06-26 | 2020-09-22 | 寇金臣 | Multi-core branch combination cable |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210921 |