CN209433925U - A kind of power cable of fire protection flame retarding - Google Patents
A kind of power cable of fire protection flame retarding Download PDFInfo
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- CN209433925U CN209433925U CN201920484408.9U CN201920484408U CN209433925U CN 209433925 U CN209433925 U CN 209433925U CN 201920484408 U CN201920484408 U CN 201920484408U CN 209433925 U CN209433925 U CN 209433925U
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Abstract
The utility model relates to power cable technical fields, and disclose a kind of power cable of fire protection flame retarding, including connection strengthening rib, separation layer, insulating layer, copper core, shielded layer, Thermal Protective layer, fire prevention internal layer, link slot, flame protection item and protective coat, the outer wall of the connection strengthening rib is socketed with separation layer, the outer wall of the separation layer is socketed with the insulating layer that quantity is four, and the inside of four insulating layers is plugged with copper core.The power cable of the fire protection flame retarding, it is perfect not enough on fire protection flame retarding to solve existing power cable, power cable is under extensive use, need to deacclimatize different environment, to guarantee the transmission of data or electrical power stabilization, cable is in hot environment or in the case where can encounter fire, when not sufficiently good due to the fire-retardant and flameproof effect of cable, the sandwich layer damage that will lead to data transfer inside or electric power, the problem of causing cable to cannot proceed normally work, communications service is caused to be paralysed.
Description
Technical field
The utility model relates to power cable technical field, specially a kind of power cable of fire protection flame retarding.
Background technique
Cable is usually the cable of similar rope as several or made of several groups of wire strandings, between every group of conducting wire mutually absolutely
Edge, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, and cable has interior energization, external insulation
Feature, cable have power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable, signal electricity
Cable, coaxial cable, fire-resisting cable, cable for ship, mine cable and aluminium alloy cable etc..
Existing power cable is perfect not enough on fire protection flame retarding, and power cable needs to fit under extensive use
Answer different environment, to guarantee the transmission of data or electrical power stabilization, cable in hot environment or in the case where fire can be encountered, by
When the fire-retardant and flameproof effect of cable is not sufficiently good, it will lead to the sandwich layer damage of data transfer inside or electric power, lead to cable
It cannot proceed normally work, communications service caused to be paralysed, so a kind of power cable of fire protection flame retarding is proposed to solve above-mentioned institute
The problem of proposition.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of power cable of fire protection flame retarding, has fire prevention resistance
The advantages that combustion, it is perfect not enough on fire protection flame retarding to solve existing power cable, and power cable needs under extensive use
Different environment is deacclimatized, to guarantee the transmission of data or electrical power stabilization, cable is in hot environment or can encounter the feelings of fire
Under condition, when not sufficiently good due to the fire-retardant and flameproof effect of cable, it will lead to the sandwich layer damage of data transfer inside or electric power, lead
Send a telegraph the problem of cable cannot proceed normally work, communications service is caused to be paralysed.
(2) technical solution
For the purpose for realizing above-mentioned fire protection flame retarding, the utility model is provided the following technical solutions: a kind of electricity of fire protection flame retarding
Power cable, including connection strengthening rib, separation layer, insulating layer, copper core, shielded layer, Thermal Protective layer, fire prevention internal layer, link slot, resistance
Combustion security bar and protective coat, the outer wall of the connection strengthening rib are socketed with separation layer, and the outer wall of the separation layer is socketed with number
The insulating layer that amount is four, the inside of four insulating layers are plugged with copper core, and the outer wall of the insulating layer is socketed with shielding
Layer, the outer wall of the shielded layer are socketed with Thermal Protective layer, and the outer wall of the Thermal Protective layer is socketed with fire prevention internal layer, described anti-
The inside of fiery internal layer offers the link slot for being isodistantly spaced distribution, and the inside of the link slot is fixedly installed with flame protection item,
The outer wall of the fire prevention internal layer is socketed with protective coat.
Preferably, the connection strengthening rib is steel wire reinforcing rib, and the outer diameter of connection strengthening rib is greater than five millimeters.
Preferably, four insulating layers are distributed in the outer wall of separation layer in a ring, and insulating layer is anti-for polytetrafluoroethylene (PTFE)
Sheath.
Preferably, the depth of the link slot is adapted with the thickness of flame protection item, and the top of flame protection item with
The inner wall of protective coat is in contact.
Preferably, the fire prevention internal layer is silicate fireprotection layer, and the flame protection item is aluminium hydroxide flame-retardant item.
Preferably, the Thermal Protective layer is glass fiber heat-resistant layer, and the thickness of Thermal Protective layer is greater than three millimeters.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of power cable of fire protection flame retarding, has following beneficial to effect
Fruit:
The power cable of the fire protection flame retarding, the fire prevention internal layer being arranged by the outer wall in Thermal Protective layer, and internal layer of preventing fires
For silicate fireprotection layer, silicate is incombustible material, it is therefore prevented that cable heated burns away, and the resistance being arranged on fire prevention internal layer
Security bar is fired, flame protection item is aluminium hydroxide flame-retardant item, can be decomposed into aluminium oxide and water after aluminium hydroxide is heated, can stop
The intensity of a fire continues to spread into the inside of cable, guarantees that cable will not continue to burn, while resistance in having for the outer wall of shielded layer setting
Thermal protection shield, Thermal Protective layer are glass fiber heat-resistant layer, it is therefore prevented that external high temperature influences internal insulating layer, ensure that
Inner copper core carries out the stabilization in electric power transport, and insulating layer is polytetrafluoroethylene (PTFE), has good insulating properties, further to protect
The stability in cabling power transport is demonstrate,proved, connection strengthening rib is steel wire reinforcing rib, guarantees the stability in connection, exists for cable
A stable working environment is improved in connection.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial enlarged view at A in the utility model Fig. 1.
In figure: 1 connection strengthening rib, 2 separation layers, 3 insulating layers, 4 copper cores, 5 shielded layers, 6 Thermal Protective layers, 7 fire prevention internal layers,
8 link slots, 9 flame protection items, 10 protective coats.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of power cable of fire protection flame retarding referring to FIG. 1-2, including connection strengthening rib 1, separation layer 2, insulating layer 3, copper
Core 4, shielded layer 5, Thermal Protective layer 6, fire prevention internal layer 7, link slot 8, flame protection item 9 and protective coat 10, connection strengthening rib 1
Outer wall be socketed with separation layer 2, connection strengthening rib 1 is steel wire reinforcing rib, and the outer diameter of connection strengthening rib 1 is greater than five millimeters, every
The outer wall of absciss layer 2 is socketed with the insulating layer 3 that quantity is four, and four insulating layers 3 are distributed in the outer wall of separation layer 2 in a ring, and
Insulating layer 3 is polytetrafluoroethylene (PTFE) protective layer, the spy that this material of polytetrafluoroethylene (PTFE) has antiacid alkali resistant, resists various organic solvents
Point is practically insoluble in all solvents, and polytetrafluoroethylene (PTFE) has the characteristics that resistant to high temperature, the equal grafting in the inside of four insulating layers 3
There is copper core 4, the outer wall of insulating layer 3 is socketed with shielded layer 5, and the outer wall of shielded layer 5 is socketed with Thermal Protective layer 6, Thermal Protective layer 6
For glass fiber heat-resistant layer, and the thickness of Thermal Protective layer 6 is greater than three millimeters, glass fibre be it is a kind of have excellent performance it is inorganic non-
Metal material, many kinds of, advantage is good insulating, heat resistance is strong, corrosion resistance is good and high mechanical strength, but the disadvantage is that property
Crisp, wearability is poor, it be pyrophillite, quartz sand, lime stone, dolomite, seven kinds of ores of bechilite and boromagnesite be raw material
Through heat-resisting material caused by the techniques systems such as high temperature melting, wire drawing, doff and woven fabric, the outer wall of Thermal Protective layer 6 is socketed with anti-
Fiery internal layer 7, fire prevention internal layer 7 are silicate fireprotection layer, silicate refer to silicon, oxygen and other chemical elements (mainly aluminium, iron,
Calcium, magnesium, potassium, sodium etc.) general name of compound that is combined into, its distributed pole in the earth's crust is wide, is to constitute most rock (Ru Huagang
Rock) and soil main component, most of fusing points are high, and chemical property is stablized, and flame protection item 9 is aluminium hydroxide flame-retardant item, prevent
The inside of fiery internal layer 7 offers the link slot 8 for being isodistantly spaced distribution, and the depth of link slot 8 is mutually fitted with the thickness of flame protection item 9
Match, and the top of flame protection item 9 is in contact with the inner wall of protective coat 10, the inside of link slot 8 is fixedly installed with fire-retardant anti-
The outer wall of guard strip 9, fire prevention internal layer 7 is socketed with protective coat 10, the fire prevention internal layer 7 being arranged by the outer wall in Thermal Protective layer 6,
And fire prevention internal layer 7 is silicate fireprotection layer, silicate is incombustible material, it is therefore prevented that cable heated burns away, and in fire prevention
The flame protection item 9 being arranged on layer 7, flame protection item 9 are aluminium hydroxide flame-retardant item, can be decomposed into oxygen after aluminium hydroxide is heated
Change aluminium and water, the intensity of a fire can be stopped to continue to spread into the inside of cable, guarantee that cable will not continue to burn, while in shielded layer 5
Outer wall setting have a Thermal Protective layer 6, Thermal Protective layer 6 is glass fiber heat-resistant layer, it is therefore prevented that external high temperature is to internal exhausted
Edge layer 3 is influenced, and ensure that inner copper core 4 carries out the stabilization in electric power transport, and insulating layer 3 is polytetrafluoroethylene (PTFE), is had
Good insulating properties further ensure that the stability in cabling power transport, and connection strengthening rib 1 is steel wire reinforcing rib, protect
Stability in card connection improves a stable working environment for cable in connection.
In conclusion the power cable of the fire protection flame retarding, the fire prevention internal layer 7 being arranged by the outer wall in Thermal Protective layer 6,
And fire prevention internal layer 7 is silicate fireprotection layer, silicate is incombustible material, it is therefore prevented that cable heated burns away, and in fire prevention
The flame protection item 9 being arranged on layer 7, flame protection item 9 are aluminium hydroxide flame-retardant item, can be decomposed into oxygen after aluminium hydroxide is heated
Change aluminium and water, the intensity of a fire can be stopped to continue to spread into the inside of cable, guarantee that cable will not continue to burn, while in shielded layer 5
Outer wall setting have a Thermal Protective layer 6, Thermal Protective layer 6 is glass fiber heat-resistant layer, it is therefore prevented that external high temperature is to internal exhausted
Edge layer 3 is influenced, and ensure that inner copper core 4 carries out the stabilization in electric power transport, and insulating layer 3 is polytetrafluoroethylene (PTFE), is had
Good insulating properties further ensure that the stability in cabling power transport, and connection strengthening rib 1 is steel wire reinforcing rib, protect
Stability in card connection improves a stable working environment for cable in connection.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of power cable of fire protection flame retarding, including connection strengthening rib (1), separation layer (2), insulating layer (3), copper core (4), screen
Layer (5), Thermal Protective layer (6), fire prevention internal layer (7), link slot (8), flame protection item (9) and protective coat (10) are covered, it is special
Sign is: the outer wall of the connection strengthening rib (1) is socketed with separation layer (2), and the outer wall of the separation layer (2) is socketed with quantity and is
The inside of four insulating layers (3), four insulating layers (3) is plugged with copper core (4), the outer wall set of the insulating layer (3)
It is connected to shielded layer (5), the outer wall of the shielded layer (5) is socketed with Thermal Protective layer (6), the outer wall of the Thermal Protective layer (6)
It is socketed with fire prevention internal layer (7), the inside of fire prevention internal layer (7) offers the link slot (8) for being isodistantly spaced distribution, the connection
The inside of slot (8) is fixedly installed with flame protection item (9), and the outer wall of fire prevention internal layer (7) is socketed with protective coat (10).
2. a kind of power cable of fire protection flame retarding according to claim 1, it is characterised in that: the connection strengthening rib (1)
For steel wire reinforcing rib, and the outer diameter of connection strengthening rib (1) is greater than five millimeters.
3. a kind of power cable of fire protection flame retarding according to claim 1, it is characterised in that: four insulating layers (3)
It is distributed in the outer wall of separation layer (2) in a ring, and insulating layer (3) is polytetrafluoroethylene (PTFE) protective layer.
4. a kind of power cable of fire protection flame retarding according to claim 1, it is characterised in that: the depth of the link slot (8)
Degree is adapted with the thickness of flame protection item (9), and the top of flame protection item (9) connects with the inner wall of protective coat (10)
Touching.
5. a kind of power cable of fire protection flame retarding according to claim 1, it is characterised in that: the fire prevention internal layer (7) is
Silicate fireprotection layer, the flame protection item (9) are aluminium hydroxide flame-retardant item.
6. a kind of power cable of fire protection flame retarding according to claim 1, it is characterised in that: the Thermal Protective layer (6)
For glass fiber heat-resistant layer, and the thickness of Thermal Protective layer (6) is greater than three millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484408.9U CN209433925U (en) | 2019-04-11 | 2019-04-11 | A kind of power cable of fire protection flame retarding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484408.9U CN209433925U (en) | 2019-04-11 | 2019-04-11 | A kind of power cable of fire protection flame retarding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209433925U true CN209433925U (en) | 2019-09-24 |
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ID=67979279
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920484408.9U Active CN209433925U (en) | 2019-04-11 | 2019-04-11 | A kind of power cable of fire protection flame retarding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140366A (en) * | 2021-04-29 | 2021-07-20 | 江苏洪能电缆有限公司 | Flame-retardant and corrosion-resistant insulated cable |
| CN113299435A (en) * | 2021-05-28 | 2021-08-24 | 成都盛世京缆电缆有限公司 | Composite fireproof cable |
-
2019
- 2019-04-11 CN CN201920484408.9U patent/CN209433925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140366A (en) * | 2021-04-29 | 2021-07-20 | 江苏洪能电缆有限公司 | Flame-retardant and corrosion-resistant insulated cable |
| CN113299435A (en) * | 2021-05-28 | 2021-08-24 | 成都盛世京缆电缆有限公司 | Composite fireproof cable |
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