CN207611625U - A kind of flexible mineral insulation double shield shell-less fire proof power cable - Google Patents
A kind of flexible mineral insulation double shield shell-less fire proof power cable Download PDFInfo
- Publication number
- CN207611625U CN207611625U CN201721681848.0U CN201721681848U CN207611625U CN 207611625 U CN207611625 U CN 207611625U CN 201721681848 U CN201721681848 U CN 201721681848U CN 207611625 U CN207611625 U CN 207611625U
- Authority
- CN
- China
- Prior art keywords
- mineral insulation
- layer
- insulation
- band
- externally provided
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of flexible mineral insulation double shield shell-less fire proof power cables, including cable core, the cable core is twisted by more mineral insulation cores and the tin plating steel strand wires of Duo Gen, and in cable core gap filled glass fiber band, lead is equipped in glass fiber tape；It is externally provided with inorganic thermal insulation fireprotection layer in cable core, the second mineral insulation is extruded outside inorganic thermal insulation fireprotection layer, it is externally provided with the steel band shielded layer of winding glass fabric in the second mineral insulation, it is externally provided with Zero halogen flame resistance polyethylene braid over braid in steel band shielded layer, it is externally provided with the copper strip shielding layer of winding glass fabric in polyethylene halogen-free flameproof band, the wrapped double-deck fire prevention band is overlapped outside copper strip shielding layer, fire prevention band is externally provided with non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer.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 is related to electric wire fields, and in particular to a kind of anti-thermoelectricity of flexible mineral insulation double shield shell-less
Power cable.
Background technology
Cable is typically by several or several groups of conducting wires (every group at least two) are twisted, shape around a center
Shape is similar to rope, while outer layer cover height insulating layer.
Cable has 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, aluminium alloy cable etc..They are led by sub-thread or multiply
Line and insulating layer composition, for connecting circuit, electric appliance etc..
Enhancing with people to environmental protection, security against fire consciousness, the application field of fireproof cable gradually expand,
It is higher to fireproof class requirement that offshore oil platform from originally has been expanded to Aeronautics and Astronautics, navigation, hospital, mall etc.
Occasion, fireproof cable can in the case of fire, within a certain period of time ensure electric power and communication unimpeded, maximum limit
Degree tries to gain time precious to one, and reduces the loss of casualties and lives and properties.
Existing fireproof cable has been all made of copper sheath structure, has seriously affected the bending radius of cable, although having apparent
Improve, but it also has the prodigious well space in bending radius and fire prevention quality.
Utility model content
In order to overcome the deficiencies in the prior art, provide a kind of with the fire prevention of flexible mineral insulation double shield shell-less
Power cable.
To achieve the above object, the utility model provides a kind of flexible mineral insulation double shield shell-less fire prevention electric power electricity
Cable, including cable core, the cable core is twisted by more mineral insulation cores and the tin plating steel strand wires of Duo Gen, in cable core gap
Filled glass fiber band is equipped with lead in glass fiber tape；It is externally provided with inorganic thermal insulation fireprotection layer, inorganic thermal insulation fire prevention in cable core
Layer is outer to extrude the second mineral insulation, the steel band shielded layer of winding glass fabric is externally provided in the second mineral insulation, in steel
Band shielded layer is externally provided with Zero halogen flame resistance polyethylene braid over braid, and winding glass fabric is externally provided in Zero halogen flame resistance polyethylene braid over braid
Copper strip shielding layer, the wrapped double-deck fire prevention band is overlapped outside copper strip shielding layer, fire prevention band is externally provided with non-woven fabric compounded aluminium foil
High temperature resistant heat insulation reflecting layer；Second mineral insulation, steel band shielded layer, copper strip shielding layer and the non-woven fabric compounded aluminium foil
The outer surface in high temperature resistant heat insulation reflecting layer is coated with fireproof coating layer.
Preferably, the mineral insulation core is exhausted by tinned copper conductor, the first mineral being extruded in outside tinned copper conductor
Edge layer, the resistance to height of non-woven fabric compounded aluminium foil for being overlapped the inhibiting tape outside the first mineral insulation and being extruded in outside inhibiting tape
Warm heat insulating reflecting layer is constituted.
Preferably, second mineral insulation is made of Environmental-protective fire-proof nanometer mineral insulation material.
Preferably, first mineral insulation is made of Environmental-protective fire-proof nanometer mineral insulation material.
Preferably, the thickness in the non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer is 2cm ± 0.1cm.
Preferably, the winding direction of the double-deck fire prevention band is opposite.
Preferably, the middle layer in the non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer is non-woven fabrics, in non-woven fabrics
Two surface mount aluminium foils.
Compared with prior art, the beneficial effects of the utility model are：
1, more tin plating steel strand wires are equipped in cable core and core twists together so that the not easily broken core of cable, it is not easy to break
It is disconnected；
2, lead is added in glass fiber tape, plays the role of a counterweight, facilitates filling；
3, it is equipped with the double-deck mineral insulation, in addition inorganic thermal insulation fireprotection layer so that cable has fire-proof insulation from inside to outside
Property, obtain multiple flameproof protection；And constituted using Environmental-protective fire-proof nanometer mineral insulation material, it can excess load under rated voltage
2.5 times and as usual play insulating effect；Long-term service temperature range is：It -40 degrees Celsius to 1200 degrees Celsius, 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, it more will not be combustion-supporting；In open fire ablation
In the process, not only fire retardant nonflame, but also no longer releasing asphyxia toxic gas, has low cigarette, nontoxic, Halogen, fire-retardant characteristic；
When bearing mechanical external force, electromagnetism interference；At low cost, good performance indexes；Insulating layer suitable for various electric wires.
4, the utility model all winds glass fabric in steel band shielding and copper strip shielding, and individually all shielded layer is prevented
Fire protection so that the shield effectiveness of cable is more preferable；
5, it is equipped with double-level-metal shielded layer, reinforces effect of the limitation electric field in insulating layer, makes direction of an electric field and insulation half
Diameter direction is consistent（It is i.e. radial）, metallic shield is with ground, and electric field terminates on metal tape, and metal tape is outer, and there is no electric fields.It prevents
Axial surface discharges, and cable is in the environment of not good earth, since semi-conductive layer has certain resistance coefficient, in cable axis
To Potential distribution may be caused uneven, cable creeping discharge is caused.In addition, capacitance current is flowed through under normal circumstances, when short-circuit
Metal tape can be used as the circuit of short-circuit current, improve metal screen layer capacitance current and short circuit current transmittability and anti-electricity
Magnetic disturbance, the ability for being homogenized electric field.
6, interior to be externally provided with Zero halogen flame resistance polyethylene braid over braid and the double-deck fire prevention band, band is wound in unit cable appearance,
It can expand to form charing body rapidly when flame contact, prevent flame ignition cable so that cable environmental protection, Halogen in burning, more
Add safety.
7, the cable changes the design of sheath, is designed using shell-less, uses non-woven fabric compounded aluminium foil high temperature resistant heat insulation
Reflecting layer so that cable barrier property is superior, and moisture-proof heat-preservation performance is good, and thermal coefficient is low, and thermal resistivity R values are high, and reflectivity is high, together
When also obstruct extraneous heat and alleviate the weight of cable instead of restrictive coating.
8, in the second mineral insulation, steel band shielded layer, copper strip shielding layer and non-woven fabric compounded aluminium foil high temperature resistant heat insulation
The outer surface in reflecting layer is coated with fireproof coating layer, not only so that every layer all plays fireproof protecting effect, also greatly improves
The whole flameproof effect of cable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
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 flexible mineral insulation double shield shell-less fire proof power cable, including
Cable core, the cable core are twisted by more mineral insulation cores and the tin plating steel strand wires of Duo Gen 1, the mineral insulation core
By tinned copper conductor 2, the first mineral insulation 3 being extruded in outside tinned copper conductor, overlapping outside the first mineral insulation
Inhibiting tape 4 and the non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer 5 that is extruded in outside inhibiting tape constitute；
The filled glass fiber band 6 in cable core gap is equipped with lead 7 in glass fiber tape；It is externally provided in cable core inorganic
Heat-insulating, fire-preventing layer 8, inorganic thermal insulation fireprotection layer extrude the second mineral insulation 9 outside, winding glass are externally provided in the second mineral insulation
The steel band shielded layer 10 of glass fiber cloth is externally provided with Zero halogen flame resistance polyethylene braid over braid 11, in polyethylene Halogen in steel band shielded layer
Inhibiting tape is externally provided with the copper strip shielding layer 12 of winding glass fabric, and the wrapped double-deck fire prevention band is overlapped outside copper strip shielding layer
13, fire prevention band is externally provided with non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer 5, and the non-woven fabric compounded aluminium foil high temperature resistant heat insulation is anti-
The middle layer for penetrating layer is non-woven fabrics, in two surface mount aluminium foils of non-woven fabrics；Second mineral insulation, steel band shielding
Layer, copper strip shielding layer and the outer surface in non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer are coated with fireproof coating layer.
First mineral insulation is made of Environmental-protective fire-proof nanometer mineral insulation material, and the second mineral insulation is nanometer
Environmental-protection fireproof mineral insulation material is made so that cable has fire-proof insulation from inside to outside, has obtained duplicate protection；And it uses and receives
Rice environmental-protection fireproof mineral insulation material constitute, under rated voltage can 2.5 times of excess load and as usual play insulating effect；Long-term work
Temperature range is：It -40 degrees Celsius to 1200 degrees Celsius, insulate as usual；Under the ablation of 800-1200 degrees Celsius of open fires, 1.5 is small
When it is interior not short-circuit, do not cause electrical fire, more will not be combustion-supporting；In open fire ablation process, not only fire retardant nonflame, but also no longer release and stop up
Toxic gas is ceased, there is low cigarette, nontoxic, Halogen, fire-retardant characteristic；When bearing mechanical external force, electromagnetism interference；At low cost,
Good performance indexes；Insulating layer suitable for various electric wires.
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 scope of protection of the utility model.
Claims (7)
1. a kind of flexible mineral insulation double shield shell-less fire proof power cable, including cable core, it is characterised in that：The cable core
It is twisted by more mineral insulation cores and the tin plating steel strand wires of Duo Gen, in cable core gap filled glass fiber band, in glass
Lead is equipped in fiber band；It is externally provided with inorganic thermal insulation fireprotection layer in cable core, the second mineral insulation is extruded outside inorganic thermal insulation fireprotection layer
Layer is externally provided with the steel band shielded layer of winding glass fabric in the second mineral insulation, and Halogen resistance is externally provided in steel band shielded layer
Woven polyethylene band is fired, the copper strip shielding layer of winding glass fabric is externally provided in polyethylene halogen-free flameproof band, in copper strip shielding
The wrapped double-deck fire prevention band of the outer overlapping of layer, fire prevention band are externally provided with non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer；Described
Second mineral insulation, steel band shielded layer, copper strip shielding layer and the appearance in non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer
Face is coated with fireproof coating layer.
2. flexible mineral insulation double shield shell-less fire proof power cable according to claim 1, it is characterised in that：It is described
Mineral insulation core by tinned copper conductor, the first mineral insulation being extruded in outside tinned copper conductor, overlapping around first
Inhibiting tape outside mineral insulation and the non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer being extruded in outside inhibiting tape are constituted.
3. flexible mineral insulation double shield shell-less fire proof power cable according to claim 1, it is characterised in that：It is described
The second mineral insulation be made of Environmental-protective fire-proof nanometer mineral insulation material.
4. flexible mineral insulation double shield shell-less fire proof power cable according to claim 2, it is characterised in that：It is described
The first mineral insulation be made of Environmental-protective fire-proof nanometer mineral insulation material.
5. flexible mineral insulation double shield shell-less fire proof power cable according to claim 1 or 2, it is characterised in that：
The thickness in the non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer is 2cm ± 0.1cm.
6. flexible mineral insulation double shield shell-less fire proof power cable according to claim 1, it is characterised in that：It is described
The double-deck fire prevention band winding direction it is opposite.
7. flexible mineral insulation double shield shell-less fire proof power cable according to claim 1, it is characterised in that：It is described
Non-woven fabric compounded aluminium foil high temperature resistant heat insulation reflecting layer middle layer be non-woven fabrics, in two surface mount aluminium foils of non-woven fabrics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681848.0U CN207611625U (en) | 2017-12-06 | 2017-12-06 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681848.0U CN207611625U (en) | 2017-12-06 | 2017-12-06 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207611625U true CN207611625U (en) | 2018-07-13 |
Family
ID=62797484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721681848.0U Active CN207611625U (en) | 2017-12-06 | 2017-12-06 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207611625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833677A (en) * | 2017-12-06 | 2018-03-23 | 江苏珠影特种电缆有限公司 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
-
2017
- 2017-12-06 CN CN201721681848.0U patent/CN207611625U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833677A (en) * | 2017-12-06 | 2018-03-23 | 江苏珠影特种电缆有限公司 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107767997A (en) | A kind of mineral insulation metal shield monitoring type colliery fireproof cable | |
| CN207611625U (en) | A kind of flexible mineral insulation double shield shell-less fire proof power cable | |
| CN107833677A (en) | A kind of flexible mineral insulation double shield shell-less fire proof power cable | |
| CN107945932A (en) | Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable | |
| CN208489027U (en) | A kind of aluminium core polyvinyl chloride-insulated polyvinyl chloride fireproof power cable | |
| CN208225548U (en) | A kind of copper core flexible mineral insulation aluminum sheath fire proof power cable | |
| CN207895903U (en) | A kind of fire-retardant fireproof cable | |
| CN211062486U (en) | Flexible mineral insulation fireproof cable | |
| CN205751680U (en) | A kind of crosslinked polyetylene insulated multicore flame retardant cable | |
| CN207611623U (en) | A kind of mineral insulation metal shield monitoring type coal mine fireproof cable | |
| CN210443320U (en) | Flame-retardant heat-resistant cable | |
| CN209625905U (en) | A kind of oil resistant flame-proof power cable of resistance to mud used for oil platform | |
| CN208315266U (en) | A kind of high-strength insulating power cable | |
| CN205959629U (en) | Resistant high low temperature naval vessel is with light -duty low cigarette halogen -free flame -retardant cable | |
| CN105913959A (en) | Crosslinked polyethylene insulated multi-core flame retardant cable | |
| CN207602241U (en) | A kind of crosslinked polyetylene insulated high-environmental high fire-retardance anti-interference control cable | |
| CN204904898U (en) | High conductibity lock armo environmental protection sheath aluminum alloy fire resisting cable | |
| CN219143854U (en) | Environment-friendly medium-voltage flame-retardant fire-resistant cable | |
| CN210378531U (en) | Environment-friendly fireproof flexible mineral insulated cable | |
| CN212847748U (en) | Electrical-grade aluminum alloy flexible mineral insulation fireproof cable | |
| CN212136028U (en) | Fire prevention medium voltage cable of burning performance grade B1 level | |
| RU216950U1 (en) | Single-phase halogen-free cable with two-layer paper insulation | |
| RU214255U1 (en) | Fireproof power cable with two-layer paper insulation | |
| CN216671227U (en) | Steel wire braided armored low-smoke halogen-free fire-resistant flame-retardant B1-grade intrinsically safe explosion-proof cable | |
| CN110660506A (en) | Fireproof cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |