CN204155652U - The pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A - Google Patents
The pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A Download PDFInfo
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- CN204155652U CN204155652U CN201420462758.2U CN201420462758U CN204155652U CN 204155652 U CN204155652 U CN 204155652U CN 201420462758 U CN201420462758 U CN 201420462758U CN 204155652 U CN204155652 U CN 204155652U
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Abstract
The utility model discloses the pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A, comprise cable core and be coated on total lapping layer of cable core outside successively, total screen and restrictive coating, cable core is formed by two twisted wire group pair twists, twisted wire group comprises core and is coated on point lapping layer and the sub-shield of core outside successively, core is formed by two wire pair twists, total lapping layer and a point lapping layer are Halogen lapping layer, total screen and sub-shield all adopt tinned copper wire to weave and form, insulating barrier and restrictive coating all adopt low-smoke halide-free fireproof composite polyolefine material to make.The pure zinc-plated shielding instrument signal cable of the low temperature resistant low-smoke non-halogen flame-retardant category-A that the utility model proposes, it can work for a long time at low ambient temperatures, and magnetic shield performance is good, simultaneously low-smoke non-halogen flame-retardant, environmentally safe after burning.
Description
Technical field
The utility model relates to field of cable technology, particularly relates to the pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A.
Background technology
Instrument signal cable is widely used in the fields such as power plant, metallurgy, chemical industry, oil, communication, but it is vulnerable to external electromagnetic interference.Meanwhile, in order to meet the demand of market to cold-resistant instrument signal cable, and the smog of cable fire generation, pernicious gas, corrosive gas can be controlled in lower scope when breaking out of fire.Therefore, how to manufacture a kind of Novel cold-resistant instrument signal cable, while ensureing its electromagnetism interference performance, there is the characteristic of low smoke and zero halogen environmental protection, become the problem that those skilled in the art assistant officer is to be solved.
Utility model content
For solving the technical problem existed in background technology, the utility model proposes the pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A, advantages of good shielding performance, low temperature resistant, and environmental protection flame retardant.
The pure zinc-plated shielding instrument signal cable of the one that the utility model proposes low temperature resistant low-smoke non-halogen flame-retardant category-A, comprising: cable core, be coated on cable core outside total lapping layer, be coated on total screen of total lapping layer outside, be coated on the restrictive coating of total screen outside; Cable core is formed by two twisted wire group pair twists, each twisted wire group comprises core, is coated on point lapping layer of core outside and is coated on a point sub-shield for lapping layer outside, core is formed by two wire pair twists, wire comprises conductor and is coated on the insulating barrier of conductor outside, conductor is twisted by many soft copper conductor bundle and forms, insulating barrier adopts low smoke halogen-free flame-retardant polyolefin insulating material to make, and sub-shield adopts tinned copper wire braiding to form; Total screen adopts tinned copper wire braiding to form, and restrictive coating adopts low-smoke and halogen-free flame retardant polyolefin jacket material to extrude and forms.
Preferably, the gap-fill between total lapping layer and two twisted wire groups has packing material.
Preferably, packing material is bittern-free flame-proof material.
Preferably, total lapping layer is Halogen lapping layer.
Preferably, lapping layer is divided to be Halogen lapping layer.
In the utility model, the pure zinc-plated shielding instrument signal cable of the low temperature resistant low-smoke non-halogen flame-retardant category-A proposed, comprise cable core and be coated on total lapping layer of cable core outside successively, total screen and restrictive coating, cable core is formed by two twisted wire group pair twists, twisted wire group comprises core and is coated on point lapping layer and the sub-shield of core outside successively, core is formed by two wire pair twists, total lapping layer and a point lapping layer are Halogen lapping layer, total screen and sub-shield all adopt tinned copper wire to weave and form, insulating barrier and restrictive coating all adopt low-smoke halide-free fireproof composite polyolefine material to make.With the cable of above-mentioned structural configuration mode, it can work for a long time at low ambient temperatures, and magnetic shield performance is good, simultaneously low-smoke non-halogen flame-retardant, environmentally safe after burning.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of the pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A that the utility model proposes.
With reference to Fig. 1, the pure zinc-plated shielding instrument signal cable of the one that the utility model proposes low temperature resistant low-smoke non-halogen flame-retardant category-A, comprising: cable core, total lapping layer 3, total screen 4, restrictive coating 5;
Cable core is formed by two twisted wire group 1 pair twists, gap-fill between two twisted wire groups 1 has Halogen flame resistant filler material 2, each twisted wire group 1 comprises core, divide lapping layer 12 and sub-shield 13, core is formed by two wire 11 pair twists, wire 11 comprises the conductor 111 being positioned at middle part, conductor 111 is twisted by many soft copper conductor bundle and forms, conductor 111 outside is coated with insulating barrier 112, insulating barrier 112 adopts low smoke halogen-free flame-retardant polyolefin insulating material to make, its resistance to-40 DEG C of low temperature, do not ftracture under ensureing low temperature environment, lapping layer 12 is divided to be Halogen lapping layer, it is coated on core outside, sub-shield 13 adopts tinned copper wire to weave and forms, it is outside that it is coated on point lapping layer 12, protection core does not disturb by external electromagnetic radiation,
Total lapping layer 3 is Halogen lapping layer, it is coated on cable core outside, it tightly fetters cable core internal structure, total screen 4 adopts tinned copper wire to weave and forms and be coated on total lapping layer 3 outside, it improves the electromagnetism interference performance of cable further, play the effect of double layer screen together with sub-shield 13, restrictive coating 5 adopts low-smoke and halogen-free flame retardant polyolefin jacket material to make, and it is outside that it is extruded in total screen 4.
The cable that the present embodiment proposes, wherein material is low smoke and zero halogen environment-friendly materials, ensure that cable is at aflame low cigarette environmental-protecting performance.
Between total lapping layer 3 and twisted wire group 1, fill halogen-free flameproof packing material 2, ensure that the rounding of cable core, when cable is by External Force Acting, the position of twisted wire group 1 is not easily moved.
In the present embodiment, the pure zinc-plated shielding instrument signal cable of the low temperature resistant low-smoke non-halogen flame-retardant category-A proposed, comprise cable core and be coated on total lapping layer of cable core outside successively, total screen and restrictive coating, cable core is formed by two twisted wire group pair twists, twisted wire group comprises core and is coated on point lapping layer and the sub-shield of core outside successively, core is formed by two wire pair twists, total lapping layer and a point lapping layer are Halogen lapping layer, total screen and sub-shield all adopt tinned copper wire to weave and form, insulating barrier and restrictive coating all adopt low-smoke halide-free fireproof composite polyolefine material to make.With the cable of above-mentioned structural configuration mode, it can work for a long time at low ambient temperatures, and magnetic shield performance is good, simultaneously low-smoke non-halogen flame-retardant, environmentally safe after burning.
According to the pure zinc-plated shielding instrument signal cable of the low temperature resistant low-smoke non-halogen flame-retardant category-A of the present embodiment, after testing, it allows working temperature-40 DEG C to+70 DEG C for a long time, cable is installed temperature and is not less than-15 DEG C, finished cable fire resistance reaches bunchy burning category-A, cable gas acidity PH >=4.3 after combustion, conductivity≤10 μ S/mm, light transmittance >=70%.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (5)
1. the pure zinc-plated shielding instrument signal cable of low temperature resistant low-smoke non-halogen flame-retardant category-A, it is characterized in that, comprising: cable core, the total lapping layer (3) being coated on cable core outside, the restrictive coating (5) being coated on the outside total screen (4) of total lapping layer (3), being coated on total screen (4) outside, cable core is formed by two twisted wire group (1) pair twists, each twisted wire group (1) comprises core, be coated on point lapping layer (12) of core outside and be coated on the outside sub-shield (13) of a point lapping layer (12), core is formed by two wire (11) pair twists, wire (11) comprises conductor (111) and is coated on the outside insulating barrier (112) of conductor (111), conductor (111) is twisted by many soft copper conductor bundle and forms, insulating barrier (112) adopts low smoke halogen-free flame-retardant polyolefin insulating material to make, sub-shield (13) adopts tinned copper wire braiding to form, total screen (4) adopts tinned copper wire braiding to form, and restrictive coating (5) adopts low-smoke and halogen-free flame retardant polyolefin jacket material to extrude and forms.
2. the pure zinc-plated shielding instrument signal cable of low temperature resistant low-smoke non-halogen flame-retardant category-A according to claim 1, it is characterized in that, the gap-fill between total lapping layer (3) and two twisted wire groups (1) has packing material (2).
3. the pure zinc-plated shielding instrument signal cable of low temperature resistant low-smoke non-halogen flame-retardant category-A according to claim 2, it is characterized in that, packing material (2) is bittern-free flame-proof material.
4. the pure zinc-plated shielding instrument signal cable of low temperature resistant low-smoke non-halogen flame-retardant category-A according to claim 1, is characterized in that, total lapping layer (3) is Halogen lapping layer.
5. the pure zinc-plated shielding instrument signal cable of low temperature resistant low-smoke non-halogen flame-retardant category-A according to claim 1, is characterized in that, a point lapping layer (12) is Halogen lapping layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462758.2U CN204155652U (en) | 2014-08-15 | 2014-08-15 | The pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420462758.2U CN204155652U (en) | 2014-08-15 | 2014-08-15 | The pure zinc-plated shielding instrument signal cable of a kind of low temperature resistant low-smoke non-halogen flame-retardant category-A |
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| CN204155652U true CN204155652U (en) | 2015-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920580A (en) * | 2017-05-04 | 2017-07-04 | 湖北宇洪光电实业有限公司 | A kind of data cable of communication equipment for being applied to 4G frequency ranges and preparation method thereof |
-
2014
- 2014-08-15 CN CN201420462758.2U patent/CN204155652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920580A (en) * | 2017-05-04 | 2017-07-04 | 湖北宇洪光电实业有限公司 | A kind of data cable of communication equipment for being applied to 4G frequency ranges and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Chuanwen Inventor after: Xia Ximing Inventor after: Gao Zhengjun Inventor after: Zeng Yefen Inventor after: Zhang Cuilan Inventor before: Tang Chuanwen Inventor before: Xia Ximing Inventor before: Gao Zhengjun Inventor before: Zeng Yefang Inventor before: Gao Cuilan |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: TANG CHUANWEN XIA XIMING GAO ZHENGJUN CENG YEFANG GAO CUILAN TO: TANG CHUANWEN XIA XIMING GAO ZHENGJUN CENG YEFEN ZHANG CUILAN |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Tiankang (Group) Co., Ltd. Assignor: Anhui Tiankang Co., Ltd. Contract record no.: 2016340000002 Denomination of utility model: Low temperature resistant LSZH (Low Smoke Zero Halogen) A type pure tinned shielding instrument signal cable Granted publication date: 20150211 License type: Common License Record date: 20160215 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160714 Address after: 239300 Tianchang Renhe Road, Anhui, Chuzhou, No. 20 Patentee after: Anhui Tiankang (Group) Co., Ltd. Address before: 239300 Tianchang Renhe Road, Anhui, Chuzhou, No. 20 Patentee before: Anhui Tiankang Co., Ltd. |