CN208315266U - A kind of high-strength insulating power cable - Google Patents
A kind of high-strength insulating power cable Download PDFInfo
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- CN208315266U CN208315266U CN201820255606.3U CN201820255606U CN208315266U CN 208315266 U CN208315266 U CN 208315266U CN 201820255606 U CN201820255606 U CN 201820255606U CN 208315266 U CN208315266 U CN 208315266U
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Abstract
The utility model discloses a kind of high-strength insulating power cables, core is filled out including polyethylene insulation, the insulation, which is filled out on core, sets that there are three be close to hole slot together, for being equipped with aluminium alloy conductor in each hole slot, wrapped binding tape outside core is filled out in polyethylene insulation, inorganic thermal insulation fireprotection layer is extruded outside binding tape, barium titanate film is posted outside inorganic thermal insulation fireprotection layer, it is wrapped in the polyester fiber cloth of the surface plating charcoal on barium titanate film surface, it is externally provided with fire-retardant corrugated composite paperboard in polyester fiber cloth, is externally provided with corrugated aluminum sheath in fire-retardant corrugated composite paperboard.The utility model has low cigarette, nontoxic, Halogen, fire-retardant characteristic；When bearing mechanical external force, electromagnetism interference；At low cost, good performance indexes.
Description
Technical field
The utility model relates to wire and cable fields, and in particular to a kind of high-strength insulating power cable.
Background technique
Fire refers to disaster caused by out of control burning over time and space.In various disasters, fire is
Most frequently, one of public security and the major casualty of social development are most generally threatened.
With the continuous development of society, while the wealth of society is increasing, the risk that fire occurs is caused also to exist
Increase, the harmfulness of fire is also increasing.According to statistics, fire seventies annual loss in China's is less than 2.5 hundred million yuan, the eighties
Fire annual is lost less than 3.2 hundred million yuan.Since the nineties, especially 1993 year, direct property loss caused by fire
Rise to average annual more than ten00000000 yuan.It makes an inventory according to Chinese fire protection, national whole year in 2014 is informed of a case fire 39.5 ten thousand, dead 1817 people,
Injured 1493 people, direct property loss is up to 43.9 hundred million yuan.From the point of view of statistical data, electrical fire accounts for 36.9% in fire, causes
Economic loss account for 58.6%.Although the main reason for anoxic, high temperature in fire, flue dust, poisonous gas are the harm person,
According to statistical analysis the reason of causing casualties in fire, smoked due to anthracemia death by suffocation or by other poison gas
The dead typically constitutes from the 40%~50% of the total death toll of fire.
In order to save more life, property and information from the merciless scene of a fire, being applied to of fireproof cable attach most importance in it
Weight, and fireproof cable currently on the market can be divided into two kinds of rigidity and flexibility by architectural characteristic.Due to rigid mineral insulation electricity
Cable rigidity mineral insulated cable (Mineral Insulated Cable) abbreviation MI cable is in terms of reliability, production and laying
Defect, gradually quit listing in European and American developed countries, flexible mineral insulation fireproof cable become fire protection field mainstream cable produce
Product.General cable metal set uses copper sheathing, and the process is more complicated, low efficiency, and higher cost, and separation layer is passed through frequently with heated temperature
Lower material is spent, isolation can not be formed, so that isolation material is heated by broken meeting, frequently results in phenomena such as cable is short-circuit.
Utility model content
In order to overcome the deficiencies in the prior art, a kind of high-strength insulating power cable is provided.
To achieve the above object, the utility model provides a kind of high-strength insulating power cable, including polyethylene insulation is filled out
Core, the insulation, which is filled out on core, to be set there are three the hole slot being close to together, and each hole slot is interior for gathering equipped with aluminium alloy conductor
Wrapped binding tape outside core is filled out in ethylene insulation, and inorganic thermal insulation fireprotection layer is extruded outside binding tape, is posted outside inorganic thermal insulation fireprotection layer
Barium titanate film is wrapped in the polyester fiber cloth of the surface plating charcoal on barium titanate film surface, is externally provided in polyester fiber cloth fire-retardant
Corrugated composite paperboard is externally provided with corrugated aluminum sheath in fire-retardant corrugated composite paperboard.
Preferably, the fire-retardant corrugated composite paperboard surface and the back side are disposed with the first flame-proof vacuum from inside to outside
Aperture layer and external flame-retardant layer, middle part is provided with the second flame-proof vacuum aperture layer.
Preferably, several be evacuated is provided in the first flame-proof vacuum aperture layer and the second flame-proof vacuum aperture layer
Hole.
Preferably, the external flame-retardant layer is inorganic fire retardants.
Compared with prior art, the utility model has the beneficial effects that:
1, core is filled out using insulation and changes traditional insulation layer structure, not only play the role of fixed conductor, but also play filling
Effect, there are also insulation effect；
2, by being coated with charcoal on polyester fiber cloth surface, there is good electromagnetic shielding effect, and be combined with metatitanic acid
Titanate thin film has high dielectric constant, and when electromagnetic wave passes through barium titanate film, the speed of electromagnetic wave is reduced, and has shorter wave
It is long, so that the intensity of electric field has considerable decline；
3, fire-retardant corrugated composite paperboard is fire-retardant by two layers, so that preventing corrugated composite paperboard as paper easily occurs fire
Hidden danger improves safety, so that the cost of cable reduces, provides the fire resistance of cable；
4, oversheath use ripple aluminium sheath, not only simplify technique and improve efficiency, and make product cost substantially under
Drop, by separation sleeve using expansion flame retardant coating, the expanding layer foamed solidification under flame invasion forms thick barrier and has obstructed fire
Direct injection of the flame to aluminum pipe, not only the integrality of aluminum pipe is saved, and make glass fiber tape heating temperature improve to
1100 DEG C hereinafter, the stability for making glass fiber tape insulate is improved, so that the high and low density of cable strength, high-temperature insulation
Property good, good heat-insulation effect, also have certain shield effectiveness and anti-jamming effectiveness；
5, inorganic thermal insulation fireprotection layer has obtained multiple flameproof protection so that cable has fire-proof insulation from inside to outside；?
2.5 times of excess load and insulating effect can be played as usual under voltage rating；Long-term operating temperature range is: -40 degrees Celsius to 1200
Degree Celsius, it insulate as usual；It is not short-circuit in 1.5 hours under the ablation of 800-1200 degrees Celsius of open fires, do not cause electrical fire, less
It can be combustion-supporting；In open fire ablation process, not only fire retardant nonflame, but also no longer release asphyxia toxic gas, have low cigarette, it is nontoxic,
Halogen, fire-retardant characteristic；When bearing mechanical external force, electromagnetism interference；At low cost, good performance indexes；Suitable for various electricity
The insulating layer of line cable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of fire-retardant corrugated composite paperboard.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, the utility model provides a kind of high-strength insulating power cable, including polyethylene insulation fills out core 1, institute
The insulation stated, which is filled out on core, to be set there are three hole slot 2 together is close to, for being equipped with aluminium alloy conductor 3 in each hole slot, in poly- second
Wrapped binding tape 4 outside core is filled out in alkene insulation, and inorganic thermal insulation fireprotection layer 5 is extruded outside binding tape, is posted outside inorganic thermal insulation fireprotection layer
Barium titanate film 6 is wrapped in the polyester fiber cloth 7 of the surface plating charcoal on barium titanate film surface, is externally provided with resistance in polyester fiber cloth
Corrugated composite paperboard 8 is fired, is externally provided with corrugated aluminum sheath 9 in fire-retardant corrugated composite paperboard.
As shown in Fig. 2, to be disposed with first from inside to outside fire-retardant for 8 surface of fire-retardant corrugated composite paperboard and the back side
Vacuum aperture layer 81 and external flame-retardant layer 82, middle part is provided with the second flame-proof vacuum aperture layer 83；The first flame-proof vacuum aperture layer and
Several holes 84 being evacuated are provided in second flame-proof vacuum aperture layer；The external flame-retardant layer is inorganic fire retardants.
The above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of this field
For member, without departing from the principle of this utility model, several variations and modifications can also be made, these also should be regarded as belonging to
In the protection scope of the utility model.
Claims (4)
1. a kind of high-strength insulating power cable, it is characterised in that: fill out core including polyethylene insulation, the insulation is filled out on core and set
There are three the hole slot being close to together, each hole slot is interior for being equipped with aluminium alloy conductor, fills out outside core in polyethylene insulation around wrapping
Taut band extrudes inorganic thermal insulation fireprotection layer outside binding tape, posts barium titanate film outside inorganic thermal insulation fireprotection layer, is wrapped in metatitanic acid
The polyester fiber cloth of the surface plating charcoal on titanate thin film surface, is externally provided with fire-retardant corrugated composite paperboard in polyester fiber cloth, at fire-retardant watt
Stupefied combination board is externally provided with corrugated aluminum sheath.
2. high-strength insulating power cable according to claim 1, it is characterised in that: the fire-retardant corrugated composite paperboard
Surface and the back side are disposed with the first flame-proof vacuum aperture layer and external flame-retardant layer from inside to outside, and it is fire-retardant true that middle part is provided with second
Hole layer.
3. high-strength insulating power cable according to claim 2, it is characterised in that: the first flame-proof vacuum aperture layer and
Several holes being evacuated are provided in second flame-proof vacuum aperture layer.
4. high-strength insulating power cable according to claim 2, it is characterised in that: the external flame-retardant layer is inorganic resistance
Fire agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255606.3U CN208315266U (en) | 2018-02-13 | 2018-02-13 | A kind of high-strength insulating power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255606.3U CN208315266U (en) | 2018-02-13 | 2018-02-13 | A kind of high-strength insulating power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315266U true CN208315266U (en) | 2019-01-01 |
Family
ID=64721380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820255606.3U Active CN208315266U (en) | 2018-02-13 | 2018-02-13 | A kind of high-strength insulating power cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN208315266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461208A (en) * | 2018-02-13 | 2018-08-28 | 江苏荣宜电缆有限公司 | A kind of high-strength insulating power cable |
-
2018
- 2018-02-13 CN CN201820255606.3U patent/CN208315266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461208A (en) * | 2018-02-13 | 2018-08-28 | 江苏荣宜电缆有限公司 | A kind of high-strength insulating power cable |
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