CN210403259U - Flexible mineral insulation fireproof cable with corrugated copper sheath - Google Patents
Flexible mineral insulation fireproof cable with corrugated copper sheath Download PDFInfo
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- CN210403259U CN210403259U CN201921135138.7U CN201921135138U CN210403259U CN 210403259 U CN210403259 U CN 210403259U CN 201921135138 U CN201921135138 U CN 201921135138U CN 210403259 U CN210403259 U CN 210403259U
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Abstract
The utility model discloses a flexible mineral insulation fireproof cable of wrinkle copper sheath, including outer protective sheath, wrinkle copper sheath, copper sheathing layer, halogen-free flame retardant polyethylene layer, ceramic silastic-layer, inorganic insulating layer and copper conductor. The utility model can effectively increase the flexibility of the cable by arranging the wrinkle copper sheath in the outer protective sleeve and the inorganic insulating layer, thereby bending the cable into a required shape more simply and conveniently, and being different from the defect that the traditional cable has poor flexibility and is inconvenient to bend so as to cause construction difficulty; the inside of wrinkle copper sheath sets up copper sheathing layer, nos strength fire-retardant polyethylene layer and ceramic silicon rubber layer, not only can play the effect of fire prevention, also can increase the high temperature operability of this cable, under the condition that the temperature is close to copper sheathing layer melting point, can increase the operating time under the limiting temperature to guarantee equipment does not receive the damage.
Description
Technical Field
The utility model relates to a cable specifically is a flexible mineral insulation fireproof cable of wrinkle copper sheath belongs to cable technical field.
Background
The mineral insulated cable is a cable which uses a copper sheath to wrap a copper conductor core wire and uses magnesium oxide powder as an inorganic insulating material to isolate the conductor and the sheath, and the outermost layer can select a proper protective sleeve as required, and is commonly called MICC or MI cable. There is a similar cable in which the core and the insulating material are covered with metal instead of copper sheath, which is called mineral insulated metal sheath cable.
Because the traditional mineral insulated cable is provided with the copper sheath, the strength is increased to a certain extent, but the traditional mineral insulated cable is poor in flexibility and not easy to bend, and is not convenient to construct and install; moreover, conventional mineral insulated cables have extreme high temperature operability durations, which, when subjected to extreme conditions, provide workers with less time to operate. Therefore, a corrugated copper sheath flexible mineral insulated fireproof cable is proposed to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible mineral insulation fireproof cable of wrinkle copper sheath for solving above-mentioned problem.
The utility model realizes the above purpose by the following technical proposal, a flexible mineral insulated fireproof cable with corrugated copper sheath, which comprises a protection mechanism and a fireproof mechanism;
the protection mechanism comprises an outer-layer protection sleeve, a corrugated copper sheath, an inorganic insulating layer and copper conductors, wherein the corrugated copper sheath is sleeved inside the outer-layer protection sleeve, the inorganic insulating layer is sleeved inside the corrugated copper sheath, and a plurality of identical copper conductors are uniformly sleeved inside the inorganic insulating layer;
the fireproof mechanism comprises a corrugated copper sheath, the corrugated copper sheath is composed of a copper sheath layer, a halogen-free flame-retardant polyethylene layer and a ceramic silicone rubber layer, the ceramic silicone rubber layer is attached to the bottom of the copper sheath layer, and the halogen-free flame-retardant polyethylene layer is attached to the side wall of the ceramic silicone rubber layer.
Preferably, the thickness of the copper sheath layer is the same as that of the halogen-free flame-retardant polyethylene layer.
Preferably, the copper sheathing layer and the halogen-free flame-retardant polyethylene layer are both in a zigzag structure on one side close to each other, and the copper sheathing layer and the halogen-free flame-retardant polyethylene layer are mutually clamped on one side in a zigzag shape.
Preferably, the outer ring diameter of the corrugated copper sheath is twice the outer ring diameter of the inorganic insulating layer.
Preferably, the thickness of the ceramic silicon rubber layer is the same as that of the outer protective sleeve.
Preferably, the sawteeth of the copper sleeve layer and the halogen-free flame-retardant polyethylene layer are sawteeth of a strip structure, and the sawteeth are distributed annularly.
The utility model has the advantages that:
1. the utility model can effectively increase the flexibility of the cable by arranging the wrinkle copper sheath in the outer protective sleeve and the inorganic insulating layer, thereby bending the cable into a required shape more simply and conveniently, and being different from the defect that the traditional cable has poor flexibility and is inconvenient to bend so as to cause construction difficulty;
2. the inside of wrinkle copper sheath sets up copper sheathing layer, nos strength fire-retardant polyethylene layer and ceramic silicon rubber layer, not only can play the effect of fire prevention, also can increase the high temperature operability of this cable, under the condition that the temperature is close to copper sheathing layer melting point, can increase the operating time under the limiting temperature to guarantee equipment does not receive the damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic left-side sectional view of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. the cable comprises an outer protective sleeve, 2, a corrugated copper sheath, 201, a copper sheath, 202, a halogen-free flame-retardant polyethylene layer, 203, a ceramic silicon rubber layer, 3, an inorganic insulating layer, 4 and a copper conductor.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a corrugated copper sheath flexible mineral insulation fireproof cable includes a protection mechanism and a fireproof mechanism;
the protection mechanism comprises an outer-layer protection sleeve 1, a corrugated copper sheath 2, an inorganic insulating layer 3 and copper conductors 4, wherein the corrugated copper sheath 2 is sleeved inside the outer-layer protection sleeve 1 to facilitate fire prevention, the inorganic insulating layer 3 is sleeved inside the corrugated copper sheath 2 to facilitate insulation, and a plurality of identical copper conductors 4 are uniformly sleeved inside the inorganic insulating layer 3 to facilitate conduction;
fireproof mechanism includes wrinkle copper sheath 2, wrinkle copper sheath 2 comprises copper sheathing 201, halogen-free flame retardant polyethylene layer 202 and ceramic silicon rubber layer 203, the bottom laminating of copper sheathing 201 has ceramic silicon rubber layer 203, is convenient for insulate against heat, ceramic silicon rubber layer 203's lateral wall laminating has halogen-free flame retardant polyethylene layer 202, is convenient for insulate against heat and insulate against heat.
The thickness of the copper sheath layer 201 is the same as that of the halogen-free flame-retardant polyethylene layer 202, so that the protection is facilitated; the copper sheathing layer 201 and the halogen-free flame-retardant polyethylene layer 202 are both in a zigzag structure at one side close to each other, and the copper sheathing layer 201 and the halogen-free flame-retardant polyethylene layer 202 are mutually clamped at one side in a zigzag shape, so that the flexibility is increased conveniently; the diameter of the outer ring of the corrugated copper sheath 2 is twice that of the outer ring of the inorganic insulating layer 3, so that the fireproof performance is improved conveniently; the thickness of the ceramic silicon rubber layer 203 is the same as that of the outer protective sleeve 1, so that the insulating property is increased conveniently; the copper sheathing layer 201 with the sawtooth on halogen-free flame retardant polyethylene layer 202 is the sawtooth of strip structure, just the sawtooth is the annular and distributes, is convenient for increase pliability.
When the utility model is used, because the side walls of the copper sheath layer 201 adjacent to the halogen-free flame-retardant polyethylene layer 202 are both in a zigzag structure and the ceramic silicon rubber layer 202 is arranged between the copper sheath layer 201 and the halogen-free flame-retardant polyethylene layer 202, when the cable is bent, because the ceramic silicon rubber layer 202 has better elasticity, a certain moving space can be provided for the side wall of the sawtooth-shaped structure of the copper sleeve layer 201 and the halogen-free flame-retardant polyethylene layer 202, the flexibility of the cable is greatly enhanced, the construction of workers is facilitated, when meeting the special conditions of high temperature such as fire, the ceramic silicon rubber layer 203 has heat insulation performance, the melting temperature of the copper sleeve layer 201 is about 1083 ℃, while the melting temperature of the ceramic silicone rubber layer 203 is 1200 to 1500 degrees celsius, the inorganic insulating layer 3 and the copper conductor 4 in the ceramic silicon rubber layer 203 can be well guaranteed not to be affected by the external temperature within a certain time, and therefore more precious time is won for workers.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a flexible mineral insulation fireproof cable of wrinkle copper sheath which characterized in that: comprises a protection mechanism and a fire prevention mechanism;
the protection mechanism comprises an outer-layer protection sleeve (1), a corrugated copper sheath (2), an inorganic insulating layer (3) and a copper conductor (4), wherein the corrugated copper sheath (2) is sleeved inside the outer-layer protection sleeve (1), the inorganic insulating layer (3) is sleeved inside the corrugated copper sheath (2), and a plurality of identical copper conductors (4) are uniformly sleeved inside the inorganic insulating layer (3);
the fireproof mechanism comprises a wrinkle copper sheath (2), the wrinkle copper sheath (2) is composed of a copper sleeve layer (201), a halogen-free flame-retardant polyethylene layer (202) and a ceramic silicone rubber layer (203), the ceramic silicone rubber layer (203) is attached to the bottom of the copper sleeve layer (201), and the halogen-free flame-retardant polyethylene layer (202) is attached to the side wall of the ceramic silicone rubber layer (203).
2. The corrugated copper sheathed flexible mineral insulated fireproof cable according to claim 1, wherein: the thickness of the copper sheath layer (201) is the same as that of the halogen-free flame-retardant polyethylene layer (202).
3. The corrugated copper sheathed flexible mineral insulated fireproof cable according to claim 1, wherein: the copper sheathing layer (201) with there is not steamed fire-retardant polyethylene layer (202) be the cockscomb structure in one side that is close to each other, just copper sheathing layer (201) with there is not steamed fire-retardant polyethylene layer (202) and block each other between the one side for the zigzag.
4. The corrugated copper sheathed flexible mineral insulated fireproof cable according to claim 1, wherein: the diameter of the outer ring of the corrugated copper sheath (2) is twice that of the outer ring of the inorganic insulating layer (3).
5. The corrugated copper sheathed flexible mineral insulated fireproof cable according to claim 1, wherein: the thickness of the ceramic silicon rubber layer (203) is the same as that of the outer protective sleeve (1).
6. A corrugated copper sheathed flexible mineral insulated fireproof cable according to claim 3, wherein: the sawteeth of the copper sleeve layer (201) and the halogen-free flame-retardant polyethylene layer (202) are sawteeth of strip structures, and the sawteeth are distributed annularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921135138.7U CN210403259U (en) | 2019-07-18 | 2019-07-18 | Flexible mineral insulation fireproof cable with corrugated copper sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921135138.7U CN210403259U (en) | 2019-07-18 | 2019-07-18 | Flexible mineral insulation fireproof cable with corrugated copper sheath |
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| Publication Number | Publication Date |
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| CN210403259U true CN210403259U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921135138.7U Active CN210403259U (en) | 2019-07-18 | 2019-07-18 | Flexible mineral insulation fireproof cable with corrugated copper sheath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571243A (en) * | 2021-06-24 | 2021-10-29 | 重庆以勒电缆有限公司 | High-performance crease-resistant copper sheath flexible mineral fireproof cable and processing method thereof |
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2019
- 2019-07-18 CN CN201921135138.7U patent/CN210403259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571243A (en) * | 2021-06-24 | 2021-10-29 | 重庆以勒电缆有限公司 | High-performance crease-resistant copper sheath flexible mineral fireproof cable and processing method thereof |
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