CN208753035U - 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cable - Google Patents
125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cable Download PDFInfo
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- CN208753035U CN208753035U CN201821525736.0U CN201821525736U CN208753035U CN 208753035 U CN208753035 U CN 208753035U CN 201821525736 U CN201821525736 U CN 201821525736U CN 208753035 U CN208753035 U CN 208753035U
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- halogen
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- temperature resistant
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Abstract
The utility model relates to a kind of 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant to control cable, solve the deficiencies in the prior art, technical solution are as follows: including several cores, inhibiting tape and restrictive coating, the core includes conductor and insulating layer, the outside packet of the conductor is equipped with insulating layer, the conductor is solid core or multiply bundle strand copper conductor core, the insulating layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating layers, the outside packet of all cores is equipped at least 4 layers of inhibiting tape, the outside packet of the inhibiting tape is equipped with restrictive coating, the inhibiting tape is low-smoke non-halogen flame-retardant band, the restrictive coating is that 125 DEG C of irradiation crosslinking halogen-frees are low-smoke flame-retardant polyolefin sheathed.
Description
Technical field
The utility model relates to a kind of cables, and in particular to a kind of 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant
Control cable.
Background technique
The heatproof of common silanes cross-linked polyethylene insulated cable only has 90 DEG C, and does not have flame retardant property, uses routine
The temperature resistant grade for controlling cable when silane crosslinked insulating only has 90 degree, and bunched burning test is very difficult passes through, and overloads energy
Power is weak: for the prior art since running temperature height causes cable to recycle fever in use, service life is short.More with society
Progress, the raising of the reach of science and people's environmental consciousness, release corrosive gas and toxic gas when the prior art is burnt,
Secondary hazards can be generated, modern fire safety requirements is not met, it is therefore desirable to develop a kind of low cigarette of 125 DEG C of cross-linking radiations of high temperature resistant
Halogen-free high flame-retardant controls cable.
Utility model content
Utility model aims to solve the heatproofs of the common silanes cross-linked polyethylene insulated cable of the above-mentioned prior art
Only 90 DEG C, and do not have flame retardant property, there was only 90 degree using the temperature resistant grade for controlling cable when conventional silane cross linked insulation,
And bunched burning test is very difficult passes through, and overload capacity is weak: the prior art causes cable using due to running temperature height
Circulation fever, the short problem of service life in the process provide a kind of 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardance controls of high temperature resistant
Cable.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of 125 DEG C of cross-linking radiations of high temperature resistant are low
Cigarette halogen-free high flame-retardant controls cable, it is characterised in that: including several cores, inhibiting tape and restrictive coating, the core includes leading
Body and insulating layer, the conductor outside packet be equipped with insulating layer, the conductor be solid core or multiply bundle strand copper conductor core, it is described absolutely
Edge layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating layers, and the outside packet of all cores is equipped at least 4 layers fire-retardant
The outside packet of band, the inhibiting tape is equipped with restrictive coating, and the inhibiting tape is low-smoke non-halogen flame-retardant band, and the restrictive coating is
125 DEG C of irradiation crosslinking halogen-frees are low-smoke flame-retardant polyolefin sheathed.125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cable
Performance reaches following requirements:
1) conductor DC resistance meets GB/T 3956-2008 requirement;
2) pressure test: exchange 3000V/5min does not puncture;
3) there is high temperature resistant (under the conditions of 125 DEG C) performance;
4) low smoke, zero halogen performance: value >=4.3 PH, conductivity≤10 μ s/mm, light transmittance >=80%;5) single vertical burns
Performance: meet the requirement of GB/T 19666-2005 standard;
6) heat extends index: under the conditions of (200 ± 3 DEG C of temperature, load-time 15min, mechanical pressure 0.20MPa), carrying
Elongation≤175% under lotus, elongation≤25% after cooling;
7) fire-retardant A class performance: meet A class bunchy combustion requirements in GB/T 19666-2005 standard.
The key of the invention is: insulation uses 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin Insulation Materials, and extrusion molding is laggard
Row cross-linking radiation;The wrapped 4 layers of low-smoke non-halogen flame-retardant band of stranding;Oversheath uses 125 DEG C of irradiation crosslinking halogen-free low-smoke and flame retardant polyenes
Hydrocarbon protective cover material makes the cable that there is 125 DEG C of high temperature resistant, high fire-retardance grade to reach A class.It will be provided using the occasion in densely populated place
High security performance.The product has low-smoke non-halogen flame-retardant environmental-protecting performance, and in high temperature or burning, Halogen is nontoxic, ensure that people
Life security, will not cause burn into that will not pollute to atmospheric environment to precision equipment.
Preferably, the conductor is solid core or five class conductors.
Preferably, further including having temperature-measuring optical fiber, the temperature-measuring optical fiber is abutted with the core, the temperature-measuring optical fiber and institute
Core is stated to be packaged in together in the inhibiting tape.In this way, the effect of temperature detection can be further functioned as.
Preferably, the thickness of the insulating layer is at least 1.5 times of the conductor diameter, the thickness of the restrictive coating is extremely
It is 2 times of the conductor diameter less.
Preferably, axially spaced-apart is provided with axial raised stiffener, the protrusion stiffener edge on the restrictive coating
125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardance control cable center of high temperature resistant are symmetrical.In this way, structural strength is stronger.
The substantial effect of the utility model is: will provide high security performance using the occasion in densely populated place.It should
Product has low-smoke non-halogen flame-retardant environmental-protecting performance, and in high temperature or burning, Halogen is nontoxic, ensure that people's life security, will not be right
Precision equipment causes burn into that will not pollute to atmospheric environment.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment one;
Fig. 2 is the schematic diagram of restrictive coating in embodiment two.
In figure: 1, conductor, 2, insulating layer, 3, inhibiting tape, 4, restrictive coating, 5, raised stiffener.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment:
A kind of 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardance controls cable (referring to attached drawing 1) of high temperature resistant, if including main line
Core, inhibiting tape 3 and restrictive coating 4, the core include conductor 1 and insulating layer 2, and the outside packet of the conductor is equipped with insulating layer,
The conductor is solid core or multiply bundle strand copper conductor core, and the insulating layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefins
Insulating layer, the outside packet of all cores are equipped at least 4 layers of inhibiting tape, and the outside packet of the inhibiting tape is equipped with restrictive coating, described
Inhibiting tape is low-smoke non-halogen flame-retardant band, and the restrictive coating is that 125 DEG C of irradiation crosslinking halogen-frees are low-smoke flame-retardant polyolefin sheathed.Institute
Stating conductor is solid core or five class conductors.The thickness of the insulating layer is at least 1.5 times of the conductor diameter, the restrictive coating
Thickness is at least 2 times of the conductor diameter.
Performance reaches following requirements:
1) conductor DC resistance meets GB/T 3956-2008 requirement;
2) pressure test: exchange 3000V/5min does not puncture;
3) there is high temperature resistant (under the conditions of 125 DEG C) performance;
4) low smoke, zero halogen performance: value >=4.3 PH, conductivity≤10 μ s/mm, light transmittance >=80%;5) single vertical burns
Performance: meet the requirement of GB/T 19666-2005 standard;
6) heat extends index: under the conditions of (200 ± 3 DEG C of temperature, load-time 15min, mechanical pressure 0.20MPa), carrying
Elongation≤175% under lotus, elongation≤25% after cooling;
7) fire-retardant A class performance: meet A class bunchy combustion requirements in GB/T 19666-2005 standard.
The present embodiment, which is used, will provide high security performance in the occasion of densely populated place.The product is hindered with low smoke and zero halogen
Environmental-protecting performance is fired, Halogen is nontoxic in high temperature or burning, ensure that people's life security, will not cause burn into precision equipment
Atmospheric environment will not be polluted.
Embodiment 2:
The present embodiment is (participating in attached drawing 2) substantially the same manner as Example 1, the difference is that, it further include having in the present embodiment
Temperature-measuring optical fiber, the temperature-measuring optical fiber are abutted with the core, and the temperature-measuring optical fiber and the core are packaged in described together
In inhibiting tape.Axially spaced-apart is provided with axial raised stiffener 5 on the restrictive coating, and the protrusion stiffener is along high temperature resistant
125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardance control cable center are symmetrical.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (5)
1. a kind of 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cables, it is characterised in that: including several cores,
Inhibiting tape and restrictive coating, the core include conductor and insulating layer, and the outside packet of the conductor is equipped with insulating layer, the conductor
For solid core or multiply bundle strand copper conductor core, the insulating layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating layers, institute
There is the outside packet of core to be equipped at least 4 layers of inhibiting tape, the outside packet of the inhibiting tape is equipped with restrictive coating, and the inhibiting tape is
Low-smoke non-halogen flame-retardant band, the restrictive coating are that 125 DEG C of irradiation crosslinking halogen-frees are low-smoke flame-retardant polyolefin sheathed.
2. 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant according to claim 1 control cable, feature exists
In: the conductor is solid core or five class conductors.
3. 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant according to claim 1 control cable, feature exists
In: it further include having temperature-measuring optical fiber, the temperature-measuring optical fiber is abutted with the core, and the temperature-measuring optical fiber and the core are wrapped together
It is located in the inhibiting tape.
4. 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant according to claim 1 control cable, feature exists
In: the thickness of the insulating layer is at least 1.5 times of the conductor diameter, and it is straight that the thickness of the restrictive coating is at least the conductor
2 times of diameter.
5. 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant according to claim 1 control cable, feature exists
In: axially spaced-apart is provided with axial raised stiffener on the restrictive coating, and the protrusion stiffener is irradiated along 125 DEG C of high temperature resistant
It is symmetrical that cross-linking low-smoke halogen-free high fire-retardance controls cable center.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821525736.0U CN208753035U (en) | 2018-09-18 | 2018-09-18 | 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821525736.0U CN208753035U (en) | 2018-09-18 | 2018-09-18 | 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208753035U true CN208753035U (en) | 2019-04-16 |
Family
ID=66084727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821525736.0U Expired - Fee Related CN208753035U (en) | 2018-09-18 | 2018-09-18 | 125 DEG C of irradiated crosslinking low-smoke and halogen-free high fire-retardances of high temperature resistant control cable |
Country Status (1)
Country | Link |
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CN (1) | CN208753035U (en) |
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2018
- 2018-09-18 CN CN201821525736.0U patent/CN208753035U/en not_active Expired - Fee Related
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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: 20190416 |