CN216212493U - Compensating cable - Google Patents
Compensating cable Download PDFInfo
- Publication number
- CN216212493U CN216212493U CN202122606049.XU CN202122606049U CN216212493U CN 216212493 U CN216212493 U CN 216212493U CN 202122606049 U CN202122606049 U CN 202122606049U CN 216212493 U CN216212493 U CN 216212493U
- Authority
- CN
- China
- Prior art keywords
- protective layer
- wire
- compensating cable
- unit
- cable
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a compensation cable, comprising: a plurality of pairs of units and protective layer structure, each pair of unit all includes an at least wire and shielding layer, the wire includes the core from inside to outside in proper order, the insulating layer, the flame retardant coating, each wire is wrapped up by the shielding layer, the protective layer structure is formed with accommodation space, each pair of unit all sets up among accommodation space, between protective layer structure and the pair of unit, all be provided with the filler between each pair of unit, the protective layer structure includes by inside to outside set gradually around the band, management and protection layer and oversheath, realize anti-impact under high temperature environment through this cable, water-resistant fog sprays, the performance of anti external electric field interference, the integrality and the green safe handling that keep cable circuit.
Description
Technical Field
The utility model relates to the field of compensation cables, in particular to a compensation cable.
Background
The existing compensation cable is suitable for multipoint connection of automatic thermometers in industries such as electric power, metallurgy, petroleum, chemical engineering, light spinning and nuclear power and departments such as national defense and scientific research, and sometimes needs to penetrate high temperature areas or electromagnetic interference areas, vibration, humidity and other severe environments in the using process, so that the compensation cable is aged, the problems of unstable signal transmission, non-high temperature resistance and the like are caused, and the performance of the cable is reduced under the high temperature environment, so that the cable is easy to damage.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve at least one of the problems of the prior art and to provide a compensating cable.
According to an embodiment of the first aspect of the present invention, there is provided a compensation cable including: the novel wire pair comprises a plurality of wire pair units and a protective layer structure, wherein each wire pair unit comprises at least one wire and a shielding layer, the wire sequentially comprises a core body, an insulating layer and a fireproof layer from inside to outside, the shielding layer wraps the wires, a containing space is formed in the protective layer structure, each wire pair unit is arranged in the containing space, fillers are arranged between the protective layer structure and the wire pair units and between the wire pair units, and the protective layer structure comprises a wrapping tape, a pipe protective layer and an outer sheath which are sequentially arranged from inside to outside.
Has the advantages that: this compensation cable includes: a plurality of pairs of units and protective layer structure, each pair of unit all includes an at least wire and shielding layer, the wire includes the core from inside to outside in proper order, the insulating layer, the flame retardant coating, each wire is wrapped up by the shielding layer, the protective layer structure is formed with accommodation space, each pair of unit all sets up among accommodation space, between protective layer structure and the pair of unit, all be provided with the filler between each pair of unit, the protective layer structure includes by inside to outside set gradually around the band, management and protection layer and oversheath, realize anti-impact under high temperature environment through this cable, water-resistant fog sprays, the performance of anti external electric field interference, the integrality and the green safe handling that keep cable circuit.
According to the compensating cable of the embodiment of the first aspect of the present invention, each of the pair units includes two of the conductive wires.
According to the compensation cable of the embodiment of the first aspect of the present invention, the pair unit includes a main unit and a plurality of sub units, the main unit is coaxially disposed with the sheath structure, and the sub unit annular array is disposed on the peripheral side of the main unit.
According to the compensation cable provided by the embodiment of the first aspect of the utility model, the material of the insulating layer is a silicon rubber ceramic material, and the insulating layer is extruded on the surface of the core body.
According to the compensation cable provided by the embodiment of the first aspect of the utility model, the fire-resistant layer is made of calcined mica tape, and is wrapped on the surface of the insulating layer.
According to the compensation cable of the embodiment of the first aspect of the utility model, the shielding layer is an annealed copper monofilament or an annealed copper strip, and the shielding layer is braided or wrapped on the twisted wires.
According to the compensating cable of the embodiment of the first aspect of the present invention, the filler is a filler rope.
According to the compensation cable provided by the embodiment of the first aspect of the utility model, the wrapping tape is a low-smoke halogen-free high-flame-retardant tape.
According to the compensation cable of the embodiment of the first aspect of the present invention, the tube protective layer is made of an electrical copper strip or a non-magnetic stainless steel strip, and the tube protective layer is formed by argon arc welding and embossing a metal strip on the wrapping tape.
According to the compensation cable disclosed by the embodiment of the first aspect of the utility model, the outer sheath is made of low-smoke halogen-free B1-grade high-flame-retardant polyolefin, and is extruded on the tube protective layer.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples;
fig. 1 is a front view of the compensating cable of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a compensating cable includes: the novel thermocouple comprises a plurality of wire pair units 100 and a sheath structure 200, each wire pair unit 100 comprises at least one conducting wire 110 and a shielding layer 120, each conducting wire 110 sequentially comprises a core body 111, an insulating layer 112 and a fireproof layer 113 from inside to outside, the core body 111 is composed of a plurality of copper monofilaments, the core body 111 is in a round monofilament or multi-bundle-wire structure, the conducting wires 110 meet various compensating conducting wires of SC, RC, KCA, KCB, KX, NC, NX, EX, JX and TX specified in GB/T4989 Compensation conducting wires for thermocouples, and the surface of the core body 111 is smooth and has no burrs. Each wire 110 is wrapped by the shielding layer 120, an accommodating space is formed in the sheath structure 200, each pair unit 100 is arranged in the accommodating space, fillers are arranged between the sheath structure 200 and the pair unit 100 and between the pair units 100, and the sheath structure 200 comprises a wrapping tape 210, a tube protection layer 220 and an outer sheath 230 which are sequentially arranged from inside to outside.
Referring to fig. 1, line-pair unit 100 includes a main unit disposed coaxially with sheath structure 200, and a plurality of sub units disposed in an annular array on the periphery of the main unit, and it is easily understood that 6 sub units are disposed on the periphery of the main unit.
In a specific embodiment, the insulating layer 112 is made of a ceramic silicone rubber material, the insulating layer 112 is extruded on the surface of the core 111, and the ceramic silicone rubber insulating material used for the insulating layer 112 has the characteristic of becoming hard into a ceramic-like shell at a high temperature, so that the ceramic-like shell can play a good role in insulation, flame retardance, fire resistance and fire prevention in case of fire.
In a specific embodiment, the material of the fire-resistant layer 113 is calcined mica tape, the fire-resistant layer 113 is wrapped on the surface of the insulating layer 112, the fluorophlogopite tape has strong heat resistance, and plays a good role in fastening and insulating and isolating in the high-temperature melting and ceramization process of the insulating layer 112, so that the overall fire-resistant effect of the cable can be improved.
Referring to fig. 1, the shielding layer 120 is an annealed copper monofilament or an annealed copper tape, the shielding layer 120 is woven or wrapped on the twisted pair conductor 110, the pair unit 100 sequentially includes a core body 111, an insulating layer 112, a fire-resistant layer 113, and a shielding layer 120 from inside to outside, so that electromagnetic interference between the inside of the pair unit 100 and the pair unit 100 can be effectively protected, the electromagnetic protection performance of the cable is improved, a plurality of pair units 100 are twisted to form a compensation cable, and the conductor 110 sequentially includes the core body 111, the insulating layer 112, and the fire-resistant layer 113 from inside to outside.
Easily understand the ground, the filler is the packing rope, and the packing rope is the inorganic paper rope of high fire-retardant, and the filler is filled in online clearance to unit 100, plays stable line pair unit 100, closely knit compensation cable's effect to adopt to wind the package around band 210, wind band 210 and be the high fire-retardant area of low smoke and zero halogen, prevent that the cable from further burning, effectively guarantee that the cable receives external burning impact damage to minimum.
In one embodiment, the material of the tube protection layer 220 is an electrical copper strip or a non-magnetic stainless steel strip, and the tube protection layer 220 is formed by argon arc welding a metal strip into a steel tube and embossing the steel tube on the wrapping tape 210. The copper belt or the non-magnetic stainless steel belt is used as a metal protective layer, so that the cable can be prevented from being damaged by external impact, and is waterproof and moistureproof, and the copper belt material or the non-magnetic stainless steel belt has the characteristics of high fire-proof grade, external electric field interference resistance and the like.
Further, the outer sheath 230 is made of low-smoke halogen-free B1-grade high-flame-retardant polyolefin, the outer sheath 230 is extruded on the tube protective layer 220, and the material is high in oxygen index, halogen-free, low-smoke, flame-retardant, good in combustion crusting property and capable of playing a good flame-retardant role in cables.
The compensating cable is a mineral substance insulation compensating cable which meets the low-smoke halogen-free B1-grade flame retardant property specified in GB/T31247 and the test requirement of C, W, Z-grade line integrity specified in BS6387 and BS 8491, has impact resistance, water mist spray resistance and external electric field interference resistance in a high-temperature environment, and simultaneously keeps the cable line integrity and safe use.
The embodiments of the present invention have been described in detail with reference to the accompanying 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.
Claims (10)
1. A compensating cable, comprising:
the wire pair units comprise at least one wire and a shielding layer, the wire sequentially comprises a core body, an insulating layer and a fire-resistant layer from inside to outside, and the shielding layer wraps the wire;
the protective layer structure is formed with an accommodating space, each wire pair unit is arranged in the accommodating space, fillers are arranged between the protective layer structure and the wire pair units and between the protective layer structure and each wire pair unit, and the protective layer structure comprises a wrapping tape, a pipe protection layer and an outer sheath which are sequentially arranged from inside to outside.
2. The compensating cable of claim 1, wherein: each of the pair units includes two of the conductive wires.
3. The compensating cable of claim 1, wherein: the pair unit of the stated line includes the main unit and multiple sub units, the stated main unit and stated sheath structure are coaxial to set up, the stated sub unit annular array is set up in the stated main unit week side.
4. The compensating cable of claim 1, wherein: the insulating layer is made of ceramic silicon rubber materials, and the insulating layer is extruded on the surface of the core body.
5. The compensating cable of claim 1, wherein: the material of flame retardant coating is for calcining the mica tape, the flame retardant coating around wrap in the insulating layer surface.
6. The compensating cable of claim 1, wherein: the shielding layer is an annealed copper monofilament or an annealed copper strip, and is woven or wrapped on the twisted wires.
7. The compensating cable of claim 1, wherein: the filler is a filling rope.
8. The compensating cable of claim 1, wherein: the wrapping tape is a low-smoke halogen-free high-flame-retardant tape.
9. The compensating cable of claim 1, wherein: the tube protective layer is made of an electrical red copper strip or a non-magnetic stainless steel strip, and is welded by a metal strip through argon arc welding and embossed on the wrapping strip.
10. The compensating cable of claim 1, wherein: the outer sheath is made of low-smoke halogen-free B1-grade high-flame-retardant polyolefin, and is extruded on the pipe protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122606049.XU CN216212493U (en) | 2021-10-27 | 2021-10-27 | Compensating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122606049.XU CN216212493U (en) | 2021-10-27 | 2021-10-27 | Compensating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212493U true CN216212493U (en) | 2022-04-05 |
Family
ID=80891942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122606049.XU Active CN216212493U (en) | 2021-10-27 | 2021-10-27 | Compensating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212493U (en) |
-
2021
- 2021-10-27 CN CN202122606049.XU patent/CN216212493U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102842376B (en) | High-temperature fire-resistant insulated cable for ships and warships | |
| CN202373359U (en) | Novel fire-resistant and flame-retardant computer cable | |
| CN211319787U (en) | Fire-resistant cable | |
| CN207425450U (en) | A kind of anti-corrosion fireproof cable | |
| CN204760074U (en) | Super flexible fireproof cable of chain armor metal covering of mica insulation protection | |
| CN216212493U (en) | Compensating cable | |
| CN208240393U (en) | High-strength environmentally-friefuran flexible mineral insulation fire-resisting cable | |
| CN217280178U (en) | Medium-voltage fire-resistant cable | |
| CN213815615U (en) | Flame-retardant smoke-suppression type high-voltage cable | |
| CN212587253U (en) | Fireproof low-voltage cable structure | |
| CN205406168U (en) | Novel high warm colour of intelligence becomes early warning fireproof cable | |
| CN212276885U (en) | Intelligent fire-resistant high-voltage cable | |
| CN211045061U (en) | Fireproof control cable | |
| CN211125116U (en) | Silicon rubber insulation ultra-high temperature fire-resistant cable | |
| CN111667944A (en) | Water-blocking fireproof special cable | |
| CN209859680U (en) | 66kV-500kV high-fire-resistance cable | |
| CN219811361U (en) | Composite fireproof power cable | |
| CN220526657U (en) | Signal sensor compensation explosion-proof cable for chemical occasion | |
| CN216719578U (en) | Fire-resistant flame-retardant low-voltage cable | |
| CN220137996U (en) | Fire-resistant B1-level cable | |
| CN217280194U (en) | Fire-resistant tensile cable | |
| CN217822190U (en) | Fire-retardant waterproof subway cable of 35kV and following copper core | |
| CN210640034U (en) | Halogen-free low-smoke flame-retardant control cable with high shielding performance | |
| CN207938356U (en) | A kind of low-smoke non-halogen flame-retardant explosion-proof type electric meter cable | |
| CN210378531U (en) | Environment-friendly fireproof flexible mineral insulated cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |