CN2631183Y - Flexible armoured halogen-free low-fume flame retarded heating cable - Google Patents
Flexible armoured halogen-free low-fume flame retarded heating cable Download PDFInfo
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- CN2631183Y CN2631183Y CN 03259258 CN03259258U CN2631183Y CN 2631183 Y CN2631183 Y CN 2631183Y CN 03259258 CN03259258 CN 03259258 CN 03259258 U CN03259258 U CN 03259258U CN 2631183 Y CN2631183 Y CN 2631183Y
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Abstract
A soft armored non-halogen low-smoke flame retardant heating cable belongs to the cable technical field. The heating cable comprises a conductor, and an insulation layer and a protection layer extruded wrapped outside the conductor, a soft armor and a shield layer are arranged between the insulation layer and the protection layer, the shield layer is wrapped on the outside of the soft armor. The conductor is a resistance of inter-twist copper, constantan or the copromanganese, and uses a single core or double cores. The insulation layer uses the cross-linked polyethylene (XLPE) material, the material of the soft armor is nylon 6, the shield layer is of electric copper wire knitted layer, and the protection layer is of non-halogen low-smoke flame retardant polyethylene material. The structure of the utility model is simple and reasonable, the manufacture and production is simple, the cost is low, the heating performance, insulation performance and flame retardant performance is good, the waste is low, the using life is long, the mechanical performance is good, the installation and layout are convenient, and is economical and energy saving, the heat using ratio is high, the use is convenient, and is clean and sanitary, which is beneficial to environmental protection, and has very good generalization application value and wide market foreground.
Description
Technical field
The utility model relates to the structure of heating cable, belongs to the cable technology field.
Background technology
In China, many years ago, the heating of many occasion forbidding electricity, or think luxurious behavior, nearly all insulation heating system is the energy with single fire coal all.High speed development along with Chinese national economy, the raising that the people require living standard, traditional heating system has not satisfied people's requirement, mainly be because: very big variation has taken place in (1) town and country energy resource structure, electric power, natural gas, clean energy resourcies such as oil liquefied gas had had develop rapidly in recent years, particularly China's upgrading urban and rural power grids in recent years tentatively finishes and further going deep into, and the raising greatly of generator installed capacity, especially nuclear power, further developing of water power and wind power generation, make electric energy become the most widely used energy of China, and be the most stable energy of price in the world, its rise in price index has only coal, / 7th to 1/8th of natural gas and a liquefied petroleum gas.(2) environmental issue is one of focus of current international community concern, is the problem of the future world economy and the social development most important thing.China environmental protection pressure is huge, in the face of the urgent situation of control air pollution.Traditional heating system can't satisfy the development of existing situation, adopts the environment-friendly type heating system to become a very urgent problem.And electric heating system is adopted in the heating cable heating, so this mode is pollution-free, safe, easy to control, economical, non-maintaining and the maintenance or the like, Just because of this, in fact the use of heating cable is increasingly extensive, as is used for the heating of conveyance conduit, container or the jar etc. of chemistry, food, petroleum industry; Application in agricultural mainly is the plant greenhouse cultivation; In building industry, can be used for cement rapid draing heating, refractory brick predrying, in particular for the geothermal heating system in dwelling house and the industrial building its special advantages is arranged then, such as, the theory of traditional Chinese medical science that meets " underfooting is warming; head will be breathed freely ", the distribution of heating power is comparatively reasonable and energy-conservation, and the tool hidden property does not resemble and allows your furniture of layout that you can't be random or be repugnant to the eye etc. heavy air-conditioning or the steam heating pipe.
Existing heating cable is made of conductor, polyethylene or polyolefin insulation and oversheath etc., this heating cable mainly is applicable to the low-temp radiating heat-generating system, characteristics of its maximum are " low-temp radiatings ", quiet, safety, warmth, controlled, " stealth ", the serviceability temperature grade is low, flexibility good.But in use, many problems have appearred, as: 1) in case when the breaking out of fire, general polyolefin insulation heating cable does not possess anti-flammability, if adopt the heating cable of polyvinyl chloride insulation, though have anti-flammability, easily environment is polluted; 2) because the mechanical performance of cable is not high, destroyed easily when mounted, as adding one deck steel layer armor again, then its flexibility such as bending property will reduce greatly, or the like.
The utility model content
The purpose of this utility model is exactly the defective that exists at existing heating cable, through from structure and material, heating cable having been carried out deep research, provide the high soft armouring LSOH anti-flaming type heating cable of mechanical strength of a kind of heat resistance and good insulation preformance.
The purpose of this utility model is to realize by the improvement to existing heating cable, soft armouring LSOH anti-flaming type heating cable, comprise conductor 1 and be extruded in conductor outer insulating barrier 2 and sheath 5, be provided with soft armor 3 and screen 4 between described insulating barrier 2 and the sheath 5, screen 4 is wrapped in soft armor 3 outer surfaces.Described conductor 1 is stranded copper, constantan and cupromanganese constant resistance silk, adopts single core or two cores.Insulating barrier 2 is crosslinked polyethylene (XLPE) material.The material of soft armor 3 is a nylon 6.Screen 4 is electrician's copper wire braid.Sheath 5 is the halogen-free and low-smoke flame-retardant polyolefin material.
The utility model is simple and reasonable, manufactures easily, and cost is low; Heating property, insulation property and fire resistance are good, and good mechanical property is installed and laid conveniently; Loss is little, long service life; Overload capacity is strong, and the electrical safety height is reliable, stable; Economical and energy saving, the heat utilization efficiency height; The stealthy installation do not influence environment and home decoration; Easy to use, clean hygiene helps environmental protection.Excellent popularization using value and vast market prospect are arranged.
The heating system that soft armouring LSOH anti-flaming type heating cable is formed will more and more be subjected to people's favor, as long as be laid in it under the floor or the wall interlayer in, on its heating conductor, pass to the electric energy of certain power, control its heating and allow its outside scattering, just can guarantee as warm as spring environment.In this heating system, its function element is a heating conductor.In the design, adopt copper, constantan and cupromanganese resistance wire as heating conductor, their resistance is varying with temperature very for a short time below 90 ℃, almost do not change, as long as by the temperature controller Control current, just can guarantee the heating power that it is stable well.
Soft armouring LSOH anti-flaming type heating cable adopts crosslinked polyethylene (XLPE) on insulating Design, because its electrical strength height, dielectric loss is low, and its mechanical and physical performance is better.
Although crosslinked polyethylene has good electric property, and mechanical performance preferably, because heating cable is generally in armored concrete, or is wrapped on the hard object, in the middle of the hard stone that is laid in, crosslinked polyethylene just is difficult to meet the demands.For this reason, soft armouring LSOH anti-flaming type heating cable design adopts nylon 6 as " soft armor ".
In the place that hospital, machine room, communication center etc. use electronic equipment, in order to prevent the interference of heating cable to electronic equipment, also in order to keep the flexibility of cable, soft armouring LSOH anti-flaming type heating cable adopts copper wire or braided steel wire screen simultaneously.
The serviceability of soft armouring LSOH anti-flaming type heating cable is better than existing heating cable greatly, in case when breaking out of fire, the low smoke, zero halogen polyolefine material is as fire-retardant outer jacket, make cable in fire, can keep operate as normal for a long time, cable is unlikely and is destroyed, really accomplish and build the same longevity, and in fire, can not send out harmful gas.
The innovative point of the structural design of soft armouring LSOH anti-flaming type heating cable mainly contains 2 points:
One, designed " soft armor " between insulation and shielding, promptly designed one deck nylon sheath between insulation and shielding, therefore soft armouring LSOH anti-flaming type heating cable has possessed following original characteristics:
1) cable has excellent mechanical performance, and under the normal temperature, its tensile strength is more than 5.5 times of crosslinked polyethylene, therefore can reduce the integrated thickness of insulation and sheath in the design;
2) cable has high flexibility, owing to adopted the nylon sheath, cable need not adopt armourings such as steel wire or steel band, has increased the flexibility of cable greatly, makes bending radius can reach 4 times of cable radiuses.
3) cable good heat resistance, serviceability temperature can reach 121 ℃ continuously, when its working temperature reaches 121 ℃, its tensile strength also is not less than 20MPa, and nylon is the binary states material, has only glassy state and viscous state, there is not elastomeric state, even also do not see tangible metaboly under 150 ℃ high temperature, cable short time overload performance is much higher than similar cable, makes the serviceability temperature of cable can improve 10 ℃;
4) nylon smooth surface, friction is little, poling construction easily.
Two, adopt the low smoke, zero halogen polyolefin to do fire-retardant sheath, promptly adopted halogen-free and low-smoke flame-retardant polyolefin to make oversheath, cable has been possessed: 1) further improved the cable safety in utilization, need not of the influence of worry about fire in the use, make heating system and building accomplish " through thick and thin " veritably heating system; 2) environmental protection and since adopt be the low smoke, zero halogen material as sheath, guaranteed not contain from the inside to surface harmful halogen, can not separate out pernicious gas or material in the use and influence the surrounding environment health.
Description of drawings
Accompanying drawing 1 is the structural representation of single core for conductor of the present utility model;
Accompanying drawing 2 is the structural representation of two cores for conductor of the present utility model;
1 conductor, 2 insulating barriers, 3 soft armors, 4 screens, 5 sheaths among the figure.
Embodiment
Conductor 1 is a heating conductor, adopts the precision resistance silk of real core or stranded copper or constantan or cupromanganese.Insulating barrier 2 adopts high electrical property, low-loss crosslinked polyethylene (XLPE) material to be extruded in the outer surface of conductor 1.The material employing high mechanical properties of soft armor 3, the nylon 6 that overload capacity is strong, resistance to wear is good are wrapped in the outer surface of insulating barrier 2.Screen 4 adopts fine electrician's copper wire to be woven in the outer surface of soft armor 3.Sheath 5 adopts the halogen-free and low-smoke flame-retardant polyolefin material to be extruded in the outermost layer of cable.
Claims (10)
1, a kind of soft armouring LSOH anti-flaming type heating cable, comprise conductor 1 and be extruded in conductor outer insulating barrier 2 and sheath 5, it is characterized in that being provided with between described insulating barrier 2 and the sheath 5 soft armor 3 and screen 4, screen 4 is wrapped in soft armor 3 outer surfaces.
2, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described conductor 1 is stranded copper resistance silk.
3, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described conductor 1 is the constantan resistance wire.
4, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described conductor 1 is the cupromanganese resistance wire.
5, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described conductor 1 is single core.
6, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described conductor 1 is two cores.
7, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described insulating barrier 2 is crosslinked polyethylene (XLPE) material.
8, soft armouring LSOH anti-flaming type heating cable according to claim 1, the material that it is characterized in that described soft armor 3 is a nylon 6.
9, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described screen 4 is electrician's copper wire braid.
10, soft armouring LSOH anti-flaming type heating cable according to claim 1 is characterized in that described sheath 5 is the halogen-free and low-smoke flame-retardant polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03259258 CN2631183Y (en) | 2003-06-30 | 2003-06-30 | Flexible armoured halogen-free low-fume flame retarded heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03259258 CN2631183Y (en) | 2003-06-30 | 2003-06-30 | Flexible armoured halogen-free low-fume flame retarded heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2631183Y true CN2631183Y (en) | 2004-08-04 |
Family
ID=34295969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03259258 Expired - Fee Related CN2631183Y (en) | 2003-06-30 | 2003-06-30 | Flexible armoured halogen-free low-fume flame retarded heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2631183Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427620A (en) * | 2011-09-16 | 2012-04-25 | 江苏鑫扬线缆有限公司 | Single-conductor flexible high temperature heat tracing cable |
| CN103871568A (en) * | 2014-02-27 | 2014-06-18 | 安徽复兴电缆集团有限公司 | Flexible cable for port |
| CN104134961A (en) * | 2014-07-11 | 2014-11-05 | 罗庆和 | Lightning-resisting and pricking-resisting batten structure of covered wire |
| CN104882206A (en) * | 2015-05-05 | 2015-09-02 | 江苏兴缘高温线缆有限公司 | Armored waterproof carbon fiber cable |
| CN108064094A (en) * | 2018-01-12 | 2018-05-22 | 科莱斯（天津）电热科技有限公司 | A kind of new sensing fever T cables |
-
2003
- 2003-06-30 CN CN 03259258 patent/CN2631183Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427620A (en) * | 2011-09-16 | 2012-04-25 | 江苏鑫扬线缆有限公司 | Single-conductor flexible high temperature heat tracing cable |
| CN103871568A (en) * | 2014-02-27 | 2014-06-18 | 安徽复兴电缆集团有限公司 | Flexible cable for port |
| CN104134961A (en) * | 2014-07-11 | 2014-11-05 | 罗庆和 | Lightning-resisting and pricking-resisting batten structure of covered wire |
| CN104882206A (en) * | 2015-05-05 | 2015-09-02 | 江苏兴缘高温线缆有限公司 | Armored waterproof carbon fiber cable |
| CN108064094A (en) * | 2018-01-12 | 2018-05-22 | 科莱斯（天津）电热科技有限公司 | A kind of new sensing fever T cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040804 Termination date: 20100630 |