CN210443295U - Environment-friendly low-smoke halogen-free mineral substance insulation fireproof cable - Google Patents
Environment-friendly low-smoke halogen-free mineral substance insulation fireproof cable Download PDFInfo
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- CN210443295U CN210443295U CN201921604289.2U CN201921604289U CN210443295U CN 210443295 U CN210443295 U CN 210443295U CN 201921604289 U CN201921604289 U CN 201921604289U CN 210443295 U CN210443295 U CN 210443295U
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Abstract
The utility model relates to a wire and cable technical field especially relates to an environment-friendly low smoke and zero halogen mineral substance insulation fireproof cable. The cable comprises a halogen-free rubber-plastic insulating outer sheath, a halogen-free flame retardant layer, a metal armor layer, a flame retardant protective layer, flame retardant mineral filling, a cable core and a central metal core; the halogen-free insulating outer sheath is arranged on the outermost layer, and the halogen-free rubber-plastic insulating outer sheath, the halogen-free flame retardant layer, the metal armor layer and the flame retardant protective layer are sequentially arranged from outside to inside; the wire core comprises an insulating protective layer, a halogen-free flame retardant layer, a halogen-free rubber-plastic layer and a conductor metal core which are arranged from outside to inside; the center metal core sets up the central point that puts at the insulating fire prevention cable of environment-friendly low smoke and zero halogen mineral substance, fire-retardant mineral substance is filled and is set up between sinle silk and the center metal core.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to an environment-friendly low smoke and zero halogen mineral substance insulation fireproof cable.
Background
A low smoke zero halogen cable is a cable classified according to the material of a wire sheath in the wire and cable industry. The low-smoke halogen-free electric wire sheath is composed of thermoplastic or thermosetting plastic or rubber which has low smoke discharge amount when being heated and does not contain halogen or hardly contains halogen. In case of fire, the halogen-containing plastic of the cable releases toxic hydrogen halide, which is harmful to human body and environment, and the hydrogen halide generates strong acid such as hydrochloric acid and hydrobromic acid when meeting water to pollute the environment.
Most of the existing fireproof cables contain halogen in rubber and plastic sheaths, and a great amount of toxic smoke is generated after the cables are heated and combusted, thereby causing great threat to the safety of personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides an environment-friendly low smoke and zero halogen mineral substance insulation fire prevention cable, adopts the outer sheath of low smoke and zero halogen material conduct fire prevention cable, and inside packing has mineral substance fire-retardant material, heat-resisting fire-resistant safety ring protects.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an environment-friendly low-smoke halogen-free mineral substance insulation fireproof cable comprises a halogen-free rubber-plastic insulation outer sheath, a halogen-free fireproof layer, a metal armor layer, a flame-retardant protective layer, flame-retardant mineral substance filling, a wire core and a central metal core; the halogen-free insulating outer sheath is arranged on the outermost layer, and the halogen-free rubber-plastic insulating outer sheath, the halogen-free flame retardant layer, the metal armor layer and the flame retardant protective layer are sequentially arranged from outside to inside; the wire core comprises an insulating protective layer, a halogen-free flame retardant layer, a halogen-free rubber-plastic layer and a conductor metal core which are arranged from outside to inside; the center metal core sets up the central point that puts at the insulating fire prevention cable of environment-friendly low smoke and zero halogen mineral substance, fire-retardant mineral substance is filled and is set up between sinle silk and the center metal core.
Further optimizing the technical scheme, the halogen-free fire-resistant layer, the fire-retardant protective layer and the halogen-free fire-retardant layer are fire-resistant mica layers, the metal used for the metal armor layer is a steel belt, the mineral used for filling the fire-retardant mineral is aluminum hydroxide, and the central metal core is a solid steel core.
The technical scheme is further optimized, the halogen-free fire-resistant layer, the fire-retardant protective layer and the halogen-free fire-retardant layer are fire-resistant mica layers, the metal used for the metal armor layer is steel wires, the mineral used for filling the fire-retardant mineral is magnesium hydroxide, and the central metal core is formed by twisting a plurality of steel wires.
Further optimizing the technical scheme, the halogen-free flame retardant coating, the flame retardant protective layer and the halogen-free flame retardant layer are glass fiber cloth, the metal used for the metal armor layer is an aluminum tape, the mineral used for filling the flame retardant mineral is aluminum hydroxide, and the central metal core is formed by twisting a plurality of steel wires.
Compared with the prior art, the utility model has the advantages of it is following: 1. the outer insulating sheath is made of low-smoke halogen-free rubber plastic materials, and the structure is favorable for ensuring that a large amount of smoke and harmful gas cannot be generated when the cable is heated and combusted; 2. the center of the cable is provided with the central metal core, so that the tensile and anti-tear strength of the cable is favorably ensured; 3. the cable is filled with fire-retardant mineral substance, and this structure is favorable has guaranteed that even the outer layer of cable is heated and produces the inside sinle silk of burning and also can guarantee safety. 4. This structure is advantageously ensured. 5. This structure is advantageously ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a halogen-free rubber-plastic insulating outer sheath; 2. a halogen-free refractory layer; 3. a metal armor layer; 4. a flame retardant protective layer; 5. filling flame-retardant mineral substances; 6. a conductor metal core; 7. a halogen-free rubber-plastic layer; 8. a halogen-free flame retardant layer; 9. an insulating protective layer; 10. a central metal core.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: as shown in fig. 1, the environment-friendly low-smoke halogen-free mineral substance insulated fireproof cable of the present invention comprises a halogen-free rubber-plastic insulated outer sheath 1, a halogen-free flame retardant coating 2, a metal armor layer 3, a flame retardant protective layer 4, a flame retardant mineral substance filling 5, a wire core and a central metal core 10; the halogen-free rubber-plastic insulating outer sheath 1 is arranged on the outermost layer, and the halogen-free rubber-plastic insulating outer sheath 1, the halogen-free flame retardant layer 2, the metal armor layer 3 and the flame retardant protective layer 4 are sequentially arranged from outside to inside; the wire core comprises an insulating protection layer 9, a halogen-free flame retardant layer 8, a halogen-free rubber-plastic layer 7 and a conductor metal core 6 which are arranged from outside to inside; center metal core 10 sets up the central point at environment-friendly low smoke and zero halogen mineral substance insulation fire prevention cable and puts, fire-retardant mineral substance is filled 5 and is set up between sinle silk and center metal core 10.
Preferably, the halogen-free fire-resistant layer 2, the fire-retardant protective layer 4 and the halogen-free fire-retardant layer 8 are fire-resistant mica layers, the metal used in the metal armor layer 3 is a steel strip, the mineral used in the fire-retardant mineral filling 5 is aluminum hydroxide, and the central metal core 10 is a solid steel core.
Preferably, the halogen-free fire-resistant layer 2, the fire-retardant protective layer 4 and the halogen-free fire-retardant layer 8 are fire-resistant mica layers, the metal used in the metal armor layer 3 is steel wires, the mineral used in the fire-retardant mineral filler 5 is magnesium hydroxide, and the central metal core 10 is formed by twisting a plurality of steel wires.
Preferably, the halogen-free flame-retardant layer 2, the flame-retardant protective layer 4 and the halogen-free flame-retardant layer 8 are glass fiber cloth, the metal used in the metal armor layer 3 is an aluminum tape, the mineral used in the flame-retardant mineral filler 5 is aluminum hydroxide, and the central metal core 10 is formed by twisting a plurality of steel wires.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. The utility model provides an insulating fire prevention cable of environment-friendly low smoke and zero halogen mineral substance which characterized in that: the cable comprises a halogen-free rubber-plastic insulating outer sheath (1), a halogen-free flame retardant layer (2), a metal armor layer (3), a flame retardant protective layer (4), flame retardant mineral filling (5), a cable core and a central metal core (10); the halogen-free rubber-plastic insulating outer sheath (1) is arranged on the outermost layer, and the halogen-free rubber-plastic insulating outer sheath (1), the halogen-free flame retardant layer (2), the metal armor layer (3) and the flame retardant protective layer (4) are sequentially arranged from outside to inside; the wire core comprises an insulating protective layer (9), a halogen-free flame retardant layer (8), a halogen-free rubber-plastic layer (7) and a conductor metal core (6) which are arranged from outside to inside; center metal core (10) set up the central point that puts at environment-friendly low smoke and zero halogen mineral substance insulation fire prevention cable, fire-retardant mineral substance is filled (5) and is set up between sinle silk and center metal core (10).
2. The environment-friendly low-smoke zero-halogen mineral insulated fireproof cable according to claim 1, characterized in that: the halogen-free flame-retardant layer (2), the flame-retardant protective layer (4) and the halogen-free flame-retardant layer (8) are fire-resistant mica layers, the metal used in the metal armor layer (3) is a steel belt, the mineral used in the flame-retardant mineral filling (5) is aluminum hydroxide, and the central metal core (10) is a solid steel core.
3. The environment-friendly low-smoke zero-halogen mineral insulated fireproof cable according to claim 1, characterized in that: the halogen-free flame-retardant layer (2), the flame-retardant protective layer (4) and the halogen-free flame-retardant layer (8) are fire-resistant mica layers, the metal used in the metal armor layer (3) is steel wires, the mineral used in the flame-retardant mineral filling (5) is magnesium hydroxide, and the central metal core (10) is formed by twisting a plurality of steel wires.
4. The environment-friendly low-smoke zero-halogen mineral insulated fireproof cable according to claim 1, characterized in that: the halogen-free flame-retardant layer (2), the flame-retardant protective layer (4) and the halogen-free flame-retardant layer (8) are made of glass fiber cloth, the metal used in the metal armor layer (3) is an aluminum tape, the mineral used in the flame-retardant mineral filling (5) is aluminum hydroxide, and the central metal core (10) is formed by twisting a plurality of steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921604289.2U CN210443295U (en) | 2019-09-25 | 2019-09-25 | Environment-friendly low-smoke halogen-free mineral substance insulation fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921604289.2U CN210443295U (en) | 2019-09-25 | 2019-09-25 | Environment-friendly low-smoke halogen-free mineral substance insulation fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443295U true CN210443295U (en) | 2020-05-01 |
Family
ID=70411138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921604289.2U Expired - Fee Related CN210443295U (en) | 2019-09-25 | 2019-09-25 | Environment-friendly low-smoke halogen-free mineral substance insulation fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443295U (en) |
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2019
- 2019-09-25 CN CN201921604289.2U patent/CN210443295U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 Termination date: 20200925 |