CN220137986U - Fourth generation instrument measuring cable for nuclear power station - Google Patents
Fourth generation instrument measuring cable for nuclear power station Download PDFInfo
- Publication number
- CN220137986U CN220137986U CN202321659374.5U CN202321659374U CN220137986U CN 220137986 U CN220137986 U CN 220137986U CN 202321659374 U CN202321659374 U CN 202321659374U CN 220137986 U CN220137986 U CN 220137986U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable core
- cable
- nuclear power
- measurement cable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 239000003063 flame retardant Substances 0.000 claims abstract description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- -1 polyethylene Polymers 0.000 claims abstract description 7
- 229920000573 polyethylene Polymers 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 3
- 239000010410 layer Substances 0.000 abstract description 51
- 239000011241 protective layer Substances 0.000 abstract description 16
- 239000012790 adhesive layer Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
Landscapes
- Details Of Indoor Wiring (AREA)
Abstract
The utility model discloses an instrument measurement cable for a fourth-generation nuclear power station, which comprises an outer protective layer, an inner protective layer, a water-blocking adhesive layer, a flame-retardant layer, a longitudinal water-blocking wrapping tape layer and a measurement cable core which are sequentially arranged from outside to inside, wherein the outer protective layer is a polyethylene outer protective layer, the flame-retardant layer is a low-smoke halogen-free flame-retardant layer, a plurality of strip-shaped ribs are arranged on the outer side of the flame-retardant layer, the plurality of measurement cable cores are provided with central ropes at the center, the measurement cable cores comprise cable core protective layers, shielding layers and cable cores which are sequentially arranged from outside to inside, the cable core protective layers are provided with inner cambered surfaces, outer cambered surfaces and two planes, each plane is connected with the inner cambered surfaces and the outer cambered surfaces, the two adjacent cable core protective layers are mutually abutted, the inner cambered surfaces at the positions of the cable core protective layers are surrounded to form a containing channel, and the central ropes are contained in the containing channel. The instrument measurement cable for the nuclear power station has good water blocking performance, tensile strength, pressure resistance and bending resistance.
Description
Technical Field
The utility model relates to the field of cables, in particular to an instrument measurement cable for a fourth-generation nuclear power station.
Background
The instrument measurement cable is used for connecting a test instrument and a tested device, the environment where the instrument measurement cable applied to the nuclear power station is located is complex, and the instrument measurement cable has higher use requirements on insulating property, water blocking property, mechanical property and the like in the use process.
The prior authorization publication number CN202584813U discloses a measuring cable which comprises a conductor, an insulating layer, a non-woven fabric cushion layer, a shielding layer, an inner sheath and an outer sheath, so that the cable has shielding and flame retardant properties, and prolonged service life, but the measuring cable is poor in water blocking property, is difficult to adapt to the complex service environment of a nuclear power station, is extremely easy to influence the service life of the cable, and is weak in bending resistance and tensile property, and is often dragged or bent in the use process, the cable is easy to damage, and the whole mechanical property of the measuring cable is weak and is difficult to adapt to the complex service environment of the nuclear power station.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an instrument measurement cable for a fourth generation nuclear power station.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an instrument measurement cable, includes outer sheath, interior sheath, the glue film that blocks water, fire-retardant layer, vertical water that sets gradually from outside to interior around band layer and measurement cable core, outer sheath is the outer sheath of polyethylene, fire-retardant layer is the fire-retardant layer of low smoke and zero halogen, the outside on fire-retardant layer has a plurality of bar protruding muscle, measurement cable core has a plurality of, a plurality of measurement cable core is annular equidistant distribution, a plurality of the center department of measuring cable core is provided with central rope, measurement cable core includes cable core sheath, shielding layer and the sinle silk that sets gradually from outside to interior, cable core sheath has inboard cambered surface, outside cambered surface and two planes, every the plane is all connected inboard cambered surface with outside cambered surface, two adjacent planes that the cable core faced each other are mutually supported, a plurality of inboard cambered surface of cable core sheath department surrounds and forms one and holds the passageway, the sinle silk has two, including conductor and cladding conductor insulating layer.
Preferably, the insulating layer is a polyethylene insulating layer;
so that the insulation performance of the cable is good.
Preferably, a strip-shaped cushion block unit is further arranged in the cable core protection layer, the cushion block unit is positioned between the cable core protection layer and the shielding layer, and the cushion block unit is provided with an abutting cambered surface for abutting against the shielding layer;
therefore, the cushion block unit can strengthen the effect of bearing external force of the cable, and further improve the strength of the cable.
Preferably, the flame-retardant layer is formed by extrusion molding, and the strip-shaped ribs extend along the length direction of the cable;
therefore, the extrusion molding process is convenient for molding into products with required shapes, when the water-blocking glue is coated, the strip-shaped ribs enable the water-blocking glue to be better adhered to the surface of the flame-retardant layer, and the thickness of the water-blocking glue layer can be thicker.
Preferably, the plurality of strip-shaped ribs are distributed in an annular equidistant manner;
thereby further improving the adhesion between the water-resistant adhesive and the flame-retardant layer.
Preferably, the central cord comprises a central cord coating and a plurality of tensile cords within the central cord coating;
so that the cable has better tensile property.
Preferably, the cable has a circular structure;
so that the cable is more compact and stable.
Compared with the prior art, the utility model has the following beneficial effects:
1. the instrument measurement cable for the nuclear power station has the water-blocking adhesive layer and the longitudinal water-blocking wrapping tape layer, so that the cable has good water-blocking performance.
2. The cable has better tensile property due to the arranged central rope.
3. Two planes of two adjacent cable core protective layers which face each other are mutually abutted, and a cushion block unit is arranged between the shielding layer and the cable core protective layers, so that the cable has better pressure resistance and bending resistance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a cross-sectional view of the structure of the present utility model;
reference numerals illustrate: 1. an outer protective layer; 2. an inner protective layer; 3. a water-blocking adhesive layer; 4. a flame retardant layer; 4.1, strip-shaped convex ribs; 5. a longitudinal water-blocking wrapping tape layer; 6. measuring a cable core; 6.1, cable core protection layer; 6.1.1, inner cambered surface; 6.1.2, outside cambered surface; 6.1.3, plane; 6.2, a shielding layer; 6.3, an insulating layer; 6.4, conductors; 6.5, a cushion block unit; 6.5.1, abutting the cambered surface; 7. a center rope; 7.1, a central rope cladding; 7.2, pulling resistance rope.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an instrument measurement cable for a fourth generation nuclear power station as shown in fig. 1-3, which comprises an outer sheath 1, an inner sheath 2, a water blocking adhesive layer 3, a flame retardant layer 4, a longitudinal water blocking wrapping tape layer 5 and a measurement cable core 6 which are sequentially arranged from outside to inside, wherein the outer sheath 1 is a polyethylene outer sheath, the flame retardant layer 4 is a low-smoke halogen-free flame retardant layer, the outer side of the flame retardant layer 4 is provided with a plurality of strip-shaped ribs 4.1, the measurement cable core 6 is provided with a plurality of strip-shaped ribs, the measurement cable cores 6 are distributed in an annular equidistant manner, the center of the measurement cable cores 6 is provided with a central rope 7, the measurement cable cores 6 comprise a cable core sheath 6.1, a shielding layer 6.2 and a wire core, which are sequentially arranged from outside to inside, the cable cores 6.1, an outer cambered surface 6.1.2 and two planes 6.1.3, each plane 6.1.3 is connected with the inner cambered surface 6.1.1 and the outer cambered surface 6.1.1, the two wire cores 6.1.3 are mutually connected, and the two adjacent wire cores 6.1.1.1 are mutually accommodated in the two layers, and the two wire cores 6.1.1 are mutually accommodated in the two layers are mutually accommodated in the channel 6.1, and the two wire cores 6.1 are mutually accommodated in the channel 6 and the cable sheath 6 and the cable core 6 is accommodated in the channel 1.
The insulating layer 6.3 is a polyethylene insulating layer; a strip-shaped cushion block unit 6.5 is further arranged in the cable core protective layer 6.1, the cushion block unit 6.5 is positioned between the cable core protective layer 6.1 and the shielding layer 6.2, and the cushion block unit 6.5 is provided with an abutting cambered surface 6.5.1 which abuts against the shielding layer 6.2; the flame-retardant layer 4 is formed by extrusion molding, and the strip-shaped ribs 4.1 extend along the length direction of the cable; the plurality of strip-shaped convex ribs 4.1 are distributed in an annular equidistant manner; the central cord 7 comprises a central cord envelope 7.1 and a plurality of tensile cords 7.2 within the central cord envelope 7.1; the cable is circular in structure.
Working principle: the instrument measuring cable has the water-blocking adhesive layer and the longitudinal water-blocking wrapping tape layer, so that the cable has good water-blocking performance, the flame-retardant layer is formed by extrusion molding, the outer side of the flame-retardant layer is provided with a plurality of annular equidistant strip-shaped convex ribs, so that the water-blocking adhesive can be better adhered to the surface of the flame-retardant layer when the water-blocking adhesive is coated, the water-blocking adhesive layer can be thicker in coating thickness, the water-blocking performance of the cable is further improved, the cable has good tensile performance through the arrangement of the central rope, two planes of two adjacent cable core protective layers which face each other are mutually abutted, and a cushion block unit is arranged between the shielding layer and the cable core protective layers, so that the cable has good pressure resistance and bending resistance.
While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the utility model as defined in the following claims.
Claims (7)
1. The utility model provides a fourth generation instrument measurement cable for nuclear power station, its characterized in that includes outer sheath (1), interior sheath (2), the glue film that blocks water (3), fire-retardant layer (4), vertical water-blocking around band layer (5) and measurement cable core (6) that set gradually from outside to inside, outer sheath (1) is the polyethylene outer sheath, fire-retardant layer (4) are low smoke and zero halogen fire-retardant layer, the outside of fire-retardant layer (4) has a plurality of bar protruding muscle (4.1), measurement cable core (6) have a plurality of, a plurality of measurement cable core (6) are annular equidistant distribution, a plurality of measurement cable core (6) center department is provided with center rope (7), measurement cable core (6) are including cable core sheath (6.1), shielding layer (6.2) and the sinle silk that set gradually from outside to inside, cable core (6.1) have inboard cambered surface (6.1.1), outside cambered surface (6.1.2) and two planes (6.1.3), every cambered surface (6.1) have the cambered surface (6.1.1) and two planes (6.1) are held in the passageway (6.1) each other in the cambered surface (6.1) the center department of two cable core (6.1) and two mutually held in the cambered surface (6.1), the wire core comprises a conductor (6.4) and an insulating layer (6.3) coating the conductor (6.4).
2. The fourth generation nuclear power plant instrumentation and measurement cable according to claim 1, wherein said insulation layer (6.3) is a polyethylene insulation layer.
3. The fourth generation nuclear power station instrument measurement cable according to claim 1, wherein a strip-shaped spacer block unit (6.5) is further arranged in the cable core sheath (6.1), the spacer block unit (6.5) is located between the cable core sheath (6.1) and the shielding layer (6.2), and the spacer block unit (6.5) is provided with an abutting cambered surface (6.5.1) abutting against the shielding layer (6.2).
4. The fourth generation nuclear power plant instrumentation and measurement cable according to claim 1, wherein said flame retardant layer (4) is extrusion molded, and said bar-shaped ribs (4.1) extend along the length direction of said cable.
5. The fourth generation nuclear power plant instrumentation and measurement cable according to claim 1, wherein a plurality of said bar-shaped ribs (4.1) are distributed in an annular equidistant manner.
6. The fourth generation nuclear power plant instrumentation cable according to claim 1, wherein the central rope (7) comprises a central rope cladding (7.1) and a plurality of tensile cords (7.2) located within the central rope cladding (7.1).
7. The fourth generation nuclear power plant instrumentation cable according to claim 1, wherein said cable has a circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321659374.5U CN220137986U (en) | 2023-06-27 | 2023-06-27 | Fourth generation instrument measuring cable for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321659374.5U CN220137986U (en) | 2023-06-27 | 2023-06-27 | Fourth generation instrument measuring cable for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137986U true CN220137986U (en) | 2023-12-05 |
Family
ID=88959038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321659374.5U Active CN220137986U (en) | 2023-06-27 | 2023-06-27 | Fourth generation instrument measuring cable for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137986U (en) |
-
2023
- 2023-06-27 CN CN202321659374.5U patent/CN220137986U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |