CN213241972U - Environment-friendly intrinsic safety instrument cable - Google Patents
Environment-friendly intrinsic safety instrument cable Download PDFInfo
- Publication number
- CN213241972U CN213241972U CN202022361248.4U CN202022361248U CN213241972U CN 213241972 U CN213241972 U CN 213241972U CN 202022361248 U CN202022361248 U CN 202022361248U CN 213241972 U CN213241972 U CN 213241972U
- Authority
- CN
- China
- Prior art keywords
- layer
- retardant
- halogen
- core
- wire
- 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 provides an environment-friendly intrinsically safe instrument cable, including cable core, the fire-retardant outer casing belt layer of halogen-free low cigarette, the total shielding layer of tinned copper wire, armor and oversheath layer, the cable core comprises many principal cores, many branch sinle silks and a middle sinle silk, the principal core comprises three insulation core transposition back around wrapping no halogen-free low cigarette fire-retardant inner casing belt layer I, tinned copper wire branch shielding layer; the branch wire core is formed by wrapping a tinned copper wire braid layer I outside the insulated wire core; the middle wire core is formed by wrapping a pair of insulating wire cores with a halogen-free low-smoke flame-retardant inner wrapping tape layer II and a tinned copper wire braiding layer II; the outer sheath layer comprises a ceramic silicon rubber high-temperature resistant layer and a high-temperature resistant heat insulation coating layer, the ceramic silicon rubber high-temperature resistant layer and the high-temperature resistant heat insulation coating layer are connected in an inserting mode to form a cavity, and the cavity is divided into a plurality of flame-retardant partitions filled with flame retardant through a plurality of bulges.
Description
Technical Field
The utility model relates to a wire and cable technical field indicates an this ampere of instrument cable of environment-friendly especially.
Background
At present, in the common intrinsic safety instrument cable for the connection of signal transmission and detection instruments, instruments and the like of a distributed system, an electronic computer system, an automation system and the like of industrial and mining enterprises of electric power, metallurgy, chemical industry and the like, the traditional polyethylene insulation or polyvinyl chloride insulation shielding intrinsic safety instrument cable is basically adopted. The cable adopts polyethylene with excellent electrical properties such as small dielectric constant, small dielectric loss, large insulation resistance and the like as an insulating material, so that the cable has low capacitance, inductance and stable and good transmission performance. However, problems occur along with the wide use of the cable, mainly in some occasions requiring the flame retardant and fire resistant performance of the cable, the insulation of the cable adopts the polyethylene material, but the polyethylene material is flammable, so the flame retardant and fire resistant performance of the cable cannot meet the requirements, and the potential safety hazard of the cable in the occasions is increased. The flame-retardant polyvinyl chloride material is adopted, but the polyvinyl chloride material is a flame-retardant material containing halogen, so that once a fire disaster happens, a large amount of smoke is generated by burning the cable, and corrosive gas containing halogen and toxicity is released. Therefore, the method is not beneficial to the development of rescue work, and toxic gas containing halogen causes serious physical injury to trapped people. In addition, the intrinsic safety type instrument cable generally has precise instrument and equipment in application occasions, and the corrosive gas containing halogen can cause serious acid corrosion to the equipment, so that the overall performance of the cable can not meet the requirement.
Therefore, the utility model provides an this ampere of instrument cable of environment-friendly to solve the above-mentioned problem that exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's shortcoming, provide an this ampere of instrument cable of environment-friendly.
In order to solve the technical problem, the utility model provides a following technical scheme: an environment-friendly intrinsic safety instrument cable comprises a cable core, a halogen-free low-smoke flame-retardant outer wrapping tape layer, a tinned copper wire total shielding layer, an armor layer and an outer sheath layer, wherein the halogen-free low-smoke flame-retardant outer wrapping tape layer, the tinned copper wire total shielding layer, the armor layer and the outer sheath layer are sequentially wrapped outside the cable core from inside to outside;
the main wire core is formed by twisting three insulation wire cores and then wrapping a halogen-free low-smoke flame-retardant inner wrapping tape layer I and a tinned copper wire sub-shielding layer;
the branch wire core is formed by wrapping a tinned copper wire braid layer I outside the insulated wire core;
the middle wire core is formed by wrapping a pair of insulating wire cores with a halogen-free low-smoke flame-retardant inner wrapping tape layer II and a tinned copper wire braiding layer II;
the oversheath layer includes ceramic silicon rubber high temperature resistant layer and high temperature resistant thermal-insulated heat preservation dope layer, a plurality of stable slots of inboard equipartition on ceramic silicon rubber high temperature resistant layer, the arch of a plurality of grafting stable slots has evenly set firmly in the outside of high temperature resistant thermal-insulated heat preservation dope layer, form the cavity between ceramic silicon rubber high temperature resistant layer and the high temperature resistant thermal-insulated heat preservation dope layer, a plurality of archs separate the cavity for a plurality of fill hinder fire-retardant wall of fuel.
As an optimized technical scheme of the utility model, the insulation core comprises the conductor outer crowded package insulating layer, the insulating layer adopts the crowded package of pottery silicon rubber material to make.
As an optimized technical scheme, there is not steamed low fire-retardant outsourcing belting, there is not steamed low fire-retardant endocyst belting I of cigarette and steamed low fire-retardant endocyst belting II of cigarette all adopts halogen-free fire-retardant glass fiber material to make.
As an optimized technical scheme, the total shielding layer of tinned copper wire and the branch shielding layer of tinned copper wire all adopt to weave the tinned copper wire that the monofilament diameter is 0.15 millimeter and weave and form, and the total shielding layer of tinned copper wire and the branch shielding layer of tinned copper wire weave density and be not less than 80%.
As an optimized technical scheme of the utility model, the conductor adopts the soft copper conductor transposition of fifth class to make.
As an optimal technical scheme, there is the fine rope of steamed low cigarette glass packing that fills between cable core and the steamed low cigarette fire-retardant outsourcing belting layer.
As an optimized technical scheme, all pack in a plurality of archs of high temperature resistant thermal-insulated insulating coating layer outside equipartition and have the enhancement iron wire.
As an optimized technical scheme, the fire-retardant material filled in the fire-retardant partition is an environment-friendly low-smoke halogen-free fire-retardant filling rope.
The utility model discloses the beneficial effect who reaches is:
1. the utility model provides an environment-friendly this ampere of instrument cable adopts ceramic silicon rubber insulating material as the material of insulating layer and oversheath layer, can form the barrier layer of a hard similar ceramic form under the naked light, can separate the burning of flame, has improved the fire resistance of cable, and the smoke volume is low when burning, does not have the corrosive gas who contains halogen and releases, and the feature of environmental protection is good;
2. the filling layer and the wrapping layer are made of halogen-free flame-retardant glass fiber materials, so that the cable has excellent flame retardant property and good environmental protection property;
3. the 5 th class soft copper conductor is stranded to be a conductor, so that the corrosion of saline alkali and other harmful substances can be prevented, the cable has flexibility, and the installation and the laying of the cable are facilitated;
4. the tinned copper wire with the braided monofilament diameter of 0.15 mm is adopted to braid the tinned copper wire total shielding layer and the tinned copper wire sub-shielding layer, so that electrostatic interference and electromagnetic effects can be effectively prevented, the effect of uniform electric field is achieved, and the cable has lower capacitance and inductance;
5. the outer sheath layer is assembled by splicing the ceramic silicon rubber high-temperature-resistant layer and the high-temperature-resistant heat-insulating coating layer, so that the overall fireproof performance of the cable is improved, the cable is not easy to deform, the cable core is prevented from being damaged, and the service life is long.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the outer sheath of the present invention;
FIG. 3 is a schematic structural view of the high temperature resistant layer of the ceramic silicone rubber of the present invention;
FIG. 4 is a schematic structural view of the high temperature resistant heat insulating coating layer of the present invention;
reference numbers in the figures: 1. halogen-free low-smoke flame-retardant outer wrapping tape layer; 2. a tinned copper wire total shielding layer; 3. an armor layer; 4. an outer jacket layer; 41. a ceramic silicon rubber high temperature resistant layer; 42. a high temperature resistant heat insulation coating layer; 43. stabilizing the slot; 44. a protrusion; 45. flame retardant partition; 46. reinforcing the iron wire; 5. a main wire core; 6. a branching core; 7. an intermediate wire core; 8. a halogen-free low-smoke flame-retardant inner wrapping tape layer I; 9. the tinned copper wire is divided into shielding layers; 10. a tinned copper wire braid layer I; 11. a halogen-free low-smoke flame-retardant inner wrapping tape layer II; 12. a tinned copper wire braid layer II; 13. a conductor; 14. an insulating layer; 15. the halogen-free low-smoke glass fiber rope filling rope.
Detailed Description
The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b): as shown in fig. 1-4, the utility model provides an environment-friendly intrinsic safety instrument cable, including the cable core, from inside to outside wrap around the outer steamed low fire-retardant outer band layer 1 of cigarette, tinned copper wire total shielding layer 2, armor 3 and oversheath layer 4 of package in proper order outside the cable core, the cable core comprises many main cores 5, many branch sinle silks 6 and a middle sinle silk 7, middle sinle silk 7 is located on the axis of cable core, and many main cores 5 and many branch sinle silks 6 encircle the outside of distributing at middle sinle silk 7;
the main wire core 5 is formed by twisting three insulation wire cores and then wrapping a halogen-free low-smoke flame-retardant inner wrapping tape layer I8 and a tinned copper wire sub-shielding layer 9;
the branch wire core 6 is formed by wrapping a tinned copper wire braid layer I10 outside an insulated wire core;
the middle wire core 7 is formed by wrapping a pair of insulating wire cores with a halogen-free low-smoke flame-retardant inner wrapping tape layer II 11 and a tinned copper wire braid layer II 12;
the oversheath layer 4 includes the resistant high temperature layer 41 of pottery silicon rubber and high temperature resistant thermal-insulated heat preservation dope layer 42, a plurality of stable slots 43 of inboard equipartition of the resistant high temperature layer 41 of pottery silicon rubber, the arch 44 of a plurality of stable slots 43 of pegging graft has evenly set firmly in the outside of the resistant high temperature thermal-insulated heat preservation dope layer 42 of high temperature resistant, vacuole formation between the resistant high temperature layer 41 of pottery silicon rubber and the resistant high temperature thermal-insulated heat preservation dope layer 42, a plurality of arch 44 separate the cavity for a plurality of fill hinder the fire-retardant wall 45 of fuel, and this structure sets up, not only can improve the holistic fire behavior of cable, still makes cable non-deformable, prevents that the sinle silk.
Furthermore, the insulating wire core is formed by extruding an insulating layer 14 outside the conductor 13, the insulating layer 14 is made of ceramic silicon rubber materials in an extruding mode, the ceramic silicon rubber materials can form a hard barrier layer similar to a ceramic shape under open fire, flame combustion can be blocked, the flame-retardant and fire-resistant performance of the cable is improved, the smoke quantity is low during combustion, no corrosive gas containing halogen is released, and the environment-friendly performance is good.
Furthermore, the halogen-free low-smoke flame-retardant outer wrapping belt layer 1, the halogen-free low-smoke flame-retardant inner wrapping belt layer I8 and the halogen-free low-smoke flame-retardant inner wrapping belt layer II 11 are all made of halogen-free flame-retardant glass fiber materials, so that the cable not only has excellent flame retardant performance, but also has good environmental protection performance.
Further, the total shielding layer 2 of tinned copper wire and the sub-shielding layer 9 of tinned copper wire are all woven by the tinned copper wire with the single wire diameter of 0.15 mm to form, and the total shielding layer 2 of tinned copper wire and the sub-shielding layer 9 of tinned copper wire are woven at a density not less than 80%, so that electrostatic interference and electromagnetic effect can be effectively prevented, the effect of an even electric field is achieved, and the cable is also provided with lower capacitance and inductance by colleagues.
Furthermore, the conductor 13 is made of a fifth type of soft copper conductor through twisting, so that the corrosion of saline alkali and other harmful substances can be prevented, the cable has flexibility, and the installation and the laying of the cable are facilitated.
Furthermore, a halogen-free low-smoke glass fiber rope filling rope 15 is filled between the cable core and the halogen-free low-smoke flame-retardant outer wrapping belt layer 1, so that the cable not only has excellent flame retardant property, but also has good environmental protection property.
Further, a plurality of bulges 44 evenly distributed on the outer side of the high-temperature-resistant heat-insulating coating layer 42 are filled with reinforcing iron wires 46, so that the structural strength of the bulges 44 is improved, and the ceramic silicon rubber high-temperature-resistant layer 41 and the high-temperature-resistant heat-insulating coating layer 42 are connected in an inserting mode better and stably.
Furthermore, the flame retardant filled in the flame retardant partition 45 is an environment-friendly low-smoke halogen-free flame retardant filling rope, so that the environment-friendly performance of the cable is good.
The above embodiments are merely to describe the preferred embodiments of the present invention, and are not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (8)
1. The environment-friendly intrinsic safety instrument cable is characterized by comprising a cable core, a halogen-free low-smoke flame-retardant outer wrapping tape layer (1), a tinned copper wire total shielding layer (2), an armor layer (3) and an outer sheath layer (4), wherein the halogen-free low-smoke flame-retardant outer wrapping tape layer is sequentially wrapped outside the cable core from inside to outside, the cable core is composed of a plurality of main wire cores (5), a plurality of branch wire cores (6) and a middle wire core (7), the middle wire core (7) is arranged on a central axis of the cable core, and the plurality of main wire cores (5) and the plurality of branch wire cores (6) are distributed outside the middle wire core (7) in a surrounding;
the main wire core (5) is formed by twisting three insulation wire cores and then wrapping a halogen-free low-smoke flame-retardant inner wrapping tape layer I (8) and a tinned copper wire sub-shielding layer (9);
the branch wire core (6) is formed by wrapping a tinned copper wire braid layer I (10) outside the insulated wire core;
the middle wire core (7) is formed by wrapping a pair of insulating wire cores with a halogen-free low-smoke flame-retardant inner wrapping tape layer II (11) and a tinned copper wire braid layer II (12);
the utility model discloses a fire-retardant wall that hinders fuel is filled to outer jacket layer (4) including ceramic silicon rubber high temperature resistant layer (41) and high temperature resistant thermal-insulated heat preservation dope layer (42), a plurality of stable slot (43) of inboard equipartition of ceramic silicon rubber high temperature resistant layer (41), the outside of high temperature resistant thermal-insulated heat preservation dope layer (42) evenly sets firmly protruding (44) of a plurality of grafting stable slot (43), form the cavity between ceramic silicon rubber high temperature resistant layer (41) and high temperature resistant thermal-insulated heat preservation dope layer (42), a plurality of protruding (44) are separated the cavity for a plurality of fire-retardant wall (45) of filling the hinder fuel.
2. The environment-friendly intrinsically safe instrument cable of claim 1, wherein the insulated wire core is formed by extruding an insulating layer (14) outside the conductor (13), and the insulating layer (14) is extruded by a ceramic silicon rubber material.
3. The environment-friendly intrinsically safe instrument cable of claim 1, wherein the halogen-free low-smoke flame-retardant outer wrapping tape layer (1), the halogen-free low-smoke flame-retardant inner wrapping tape layer I (8) and the halogen-free low-smoke flame-retardant inner wrapping tape layer II (11) are all made of halogen-free flame-retardant glass fiber materials.
4. The environment-friendly intrinsic safety instrument cable as claimed in claim 1, wherein the total tinned copper wire shielding layer (2) and the sub tinned copper wire shielding layers (9) are woven by adopting tinned copper wires with the braided monofilament diameter of 0.15 mm, and the weaving density of the total tinned copper wire shielding layer (2) and the sub tinned copper wire shielding layers (9) is not less than 80%.
5. The environment-friendly intrinsically safe instrument cable of claim 2, wherein the conductor (13) is formed by stranding a fifth type of soft copper conductor.
6. The environment-friendly intrinsic safety instrument cable of claim 1, characterized in that a halogen-free low-smoke glass fiber rope filling rope (15) is filled between the cable core and the halogen-free low-smoke flame-retardant outer wrapping tape layer (1).
7. The environment-friendly intrinsic safety instrument cable of claim 1, wherein a plurality of bulges (44) uniformly distributed on the outer side of the high temperature resistant heat insulation coating layer (42) are filled with reinforced iron wires (46).
8. The environment-friendly intrinsic safety instrument cable according to claim 1, wherein the fire retardant material filled in the fire retardant partition (45) is an environment-friendly low-smoke halogen-free fire retardant filling rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361248.4U CN213241972U (en) | 2020-10-21 | 2020-10-21 | Environment-friendly intrinsic safety instrument cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361248.4U CN213241972U (en) | 2020-10-21 | 2020-10-21 | Environment-friendly intrinsic safety instrument cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213241972U true CN213241972U (en) | 2021-05-18 |
Family
ID=75880788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022361248.4U Active CN213241972U (en) | 2020-10-21 | 2020-10-21 | Environment-friendly intrinsic safety instrument cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213241972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220595A (en) * | 2021-11-19 | 2022-03-22 | 安徽尚纬电缆有限公司 | Halogen-free low-smoke low-toxicity low-corrosion B1-grade cable |
-
2020
- 2020-10-21 CN CN202022361248.4U patent/CN213241972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220595A (en) * | 2021-11-19 | 2022-03-22 | 安徽尚纬电缆有限公司 | Halogen-free low-smoke low-toxicity low-corrosion B1-grade cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2788990B1 (en) | Cable component with non-flammable material | |
| CN105913917A (en) | Silicone rubber light-type fireproof ship flexible cable | |
| CN112397239A (en) | Practical wire and cable of resistance to compression heat resistance | |
| CN213241972U (en) | Environment-friendly intrinsic safety instrument cable | |
| CN209822310U (en) | Ceramic silicon rubber insulation temperature-resistant cable | |
| CN203026232U (en) | Halogen-free low-smoke flame-retardant shielded intrinsic type computer cable | |
| CN212750438U (en) | Environment-friendly intrinsically safe fireproof control cable | |
| CN220065223U (en) | Anti-extrusion anti-torsion photoelectric integrated fire-proof cable | |
| CN209880225U (en) | Self-supporting fire-resistant waterproof computer cable | |
| CN201359879Y (en) | Marine fire-resistant communication cable | |
| CN214796834U (en) | Fluoroplastic insulation compensation cable | |
| CN207367659U (en) | A kind of intrinsic safety type flexible data transmission cable | |
| CN111755163B (en) | High-temperature-resistant 1000 ℃ electric wire and preparation method thereof | |
| CN212934231U (en) | Flexible high temperature resistant anticorrosion fireproof computer cable | |
| CN213070657U (en) | Composite high-flame-retardance rubber jacketed flexible cable of metal shielding optical fiber of coal mining machine | |
| CN210640007U (en) | Fireproof cable | |
| CN215988179U (en) | High flame retardant data cable | |
| CN213691475U (en) | Halogen-free low-smoke flame-retardant polyolefin insulation shielding control cable | |
| CN217280194U (en) | Fire-resistant tensile cable | |
| CN220252918U (en) | Fire-resistant tensile multicore power cable | |
| CN211788315U (en) | Isolated form mineral insulation fireproof cable | |
| CN215450988U (en) | Flame-retardant cable | |
| CN216849428U (en) | Crosslinked polyethylene insulated halogen-free low-smoke flame-retardant computer cable | |
| CN210837268U (en) | Be used for inside tow chain cable of robot equipment | |
| CN211125116U (en) | Silicon rubber insulation ultra-high temperature fire-resistant cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |