CN211742700U - Cable for intelligent building - Google Patents
Cable for intelligent building Download PDFInfo
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- CN211742700U CN211742700U CN202020495210.3U CN202020495210U CN211742700U CN 211742700 U CN211742700 U CN 211742700U CN 202020495210 U CN202020495210 U CN 202020495210U CN 211742700 U CN211742700 U CN 211742700U
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- 229920000098 polyolefin Polymers 0.000 claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000004677 Nylon Substances 0.000 claims abstract description 20
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- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims abstract description 7
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- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 5
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 5
- 229940083159 ethylene distearamide Drugs 0.000 description 5
- 239000004611 light stabiliser Substances 0.000 description 5
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 5
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Abstract
A cable for intelligent buildings comprises a cable inner core structure and a cable outer sleeve structure, wherein the cable inner core structure comprises a copper conductor A, a polyolefin insulating layer, a twisted pair group, a copper wire braided shielding layer A, a halogen-free low-smoke flame-retardant polyolefin inner protective layer A, a copper conductor B, a double-layer synthetic mica flame-retardant layer, a halogen-free low-smoke flame-retardant polyolefin inner protective layer B, an optical fiber and a low-smoke halogen-free polyethylene inner protective layer; the cable jacket structure comprises a halogen-free low-smoke flame-retardant polyolefin inner protective layer C, a copper wire braided shielding layer B, a halogen-free low-smoke flame-retardant polyolefin sheath layer and a nylon outer sheath layer from inside to outside in sequence; the space between the cable inner core structure and the cable outer sleeve structure is filled. The beneficial effects are that: the utility model provides an intelligent building cable, carries out digital signal transmission in power transmission, can also transmit optical signal to be equipped with the nylon sheath, not only prolonged the life of cable, can also prevent that mouse, ant bite and simple to operate, improved the fail safe nature of cable work.
Description
Technical Field
The invention relates to a cable for an intelligent building, and belongs to the technical field of wires and cables.
Background
In the 20 th century, urban buildings in China mostly adopt common 6-storey and below multi-storey buildings, and common BV and BVV cables can meet the requirements. In the 21 st century, particularly in recent years, with the acceleration of urbanization process in China, the construction industry in China is rapidly developed, various skyscrapers and intelligent buildings are more and more common, BV and BVV cables cannot meet the requirements, and computers are generally adopted in the electrical design of modern buildings for real-time control, so that real-time data acquisition and data analysis are carried out on electric power, illumination, sanitary water supply and drainage, fire alarm and fire control, air conditioning and ventilation, elevators and the like in the buildings. In order to meet the requirements of intelligent buildings, the current solution is to leave enough space at the beginning of building construction, what cables need to be laid, and the scheme wastes a lot of wiring space, so that in order to better meet the requirements of intelligent buildings, a comprehensive cable for intelligent buildings, which can meet various requirements, must be developed.
At present, the requirements of China on environmental protection and safety are more and more strict, a large amount of harmful gas can be released by a common cable when burning, once disasters such as fire disasters occur due to the height of modern buildings, people can be very difficult to evacuate safely, and the appearance of the cable for the intelligent building with better performance and more environmental protection is promoted.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the cable for the intelligent building, which is used for transmitting digital signals and optical signals while transmitting power, has excellent fireproof and flame-retardant performances and green and environment-friendly performances, is matched with a nylon sheath, prolongs the service life of the cable, prevents rats and ants from biting, is convenient to install, and improves the safety and reliability of the cable in work.
In order to achieve the purpose, the invention adopts the technical scheme that: a cable for intelligent buildings comprises a cable inner core structure and a cable outer sleeve structure, wherein the cable inner core structure comprises a copper conductor A, a polyolefin insulating layer, a twisted pair group, a copper wire braided shielding layer A, a halogen-free low-smoke flame-retardant polyolefin inner protective layer A, a copper conductor B, a double-layer synthetic mica flame-retardant layer, a halogen-free low-smoke flame-retardant polyolefin inner protective layer B, an optical fiber and a low-smoke halogen-free polyethylene inner protective layer; the cable jacket structure comprises a halogen-free low-smoke flame-retardant polyolefin inner protective layer C, a copper wire braided shielding layer B, a halogen-free low-smoke flame-retardant polyolefin sheath layer and a nylon outer sheath layer from inside to outside in sequence; the space between the cable inner core structure and the cable outer sleeve structure is filled.
The cable inner core structure comprises a power transmission unit, a digital signal transmission unit and an optical unit.
The filling is a flame-retardant filling rope.
The invention has the beneficial effects that: the utility model provides an intelligent building cable, carries out digital signal transmission in power transmission, can also transmit light signal, has reduced wiring space and work load, has fire-retardant, the green performance of excellent fire prevention to be equipped with the nylon sheath, not only prolonged the life of cable, can also prevent that mouse, ant bite and simple to operate, improved the fail safe nature of cable work.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic cross-sectional view of a cable for an intelligent building according to an embodiment of the present invention.
In the figure, 1, copper conductor A, 2, the polyolefin insulating layer, 3, to the hank group, 4, shielding layer A is woven to the copper wire, 5, no halogen-free low smoke flame retardant polyolefin inner sheath A,6, copper conductor B, 7, double-deck synthetic mica flame retardant coating, 8, no halogen-free low smoke flame retardant polyolefin inner sheath B,9, optic fibre, 10, low smoke zero halogen-free polyethylene inner sheath, 11, the packing, 12, no halogen-free low smoke flame retardant polyolefin inner sheath C, 13, shielding layer B is woven to the copper wire, 14, no halogen-free low smoke flame retardant polyolefin sheath, 15, the nylon oversheath layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the cable for an intelligent building according to an embodiment of the present invention includes a cable core structure and a cable jacket structure, where the cable core structure includes a copper conductor a1, a polyolefin insulation layer 2, a twisted pair group 3, a copper wire braided shielding layer a4, a halogen-free low-smoke flame-retardant polyolefin inner protective layer a5, a copper conductor B6, a double-layer synthetic mica flame-retardant layer 7, a halogen-free low-smoke flame-retardant polyolefin inner protective layer B8, an optical fiber 9, and a low-smoke halogen-free polyethylene inner protective layer 10; the cable jacket structure comprises a halogen-free low-smoke flame-retardant polyolefin inner protective layer C12, a copper wire braided shielding layer B13, a halogen-free low-smoke flame-retardant polyolefin sheath layer 14 and a nylon outer sheath layer 15 from inside to outside in sequence; and a filling 11 is arranged between the cable inner core structure and the cable outer sleeve structure.
During manufacturing, a copper rod is drawn for multiple times through a drawing machine to be drawn into a copper conductor A1 with the nominal diameter of 1.78mm, the copper conductor A1 is annealed to be a soft conductor at the same time, then a plastic extruder is used for extruding a layer of polyolefin insulating layer 2 with different colors on the conductor at the same time, so that an insulating wire core is manufactured, two insulating wire cores are twisted on a high-speed back-twist pair twister to form a twisted pair group 3 at small pitch, a high-speed braiding machine is used for braiding a copper wire braided shielding layer A4 outside the twisted pair group 3, an extruder is used for extruding a layer of halogen-free low-smoke flame-retardant polyolefin inner protective layer A5 outside the copper wire braided shielding layer A4, and the digital signal transmission; the copper conductor B6 of the cable is formed by twisting or pressing a plurality of soft round copper single wires in a concentric layered mode; the double-layer synthetic mica fire-resistant layer 7 is sequentially lapped and lapped outside the copper conductor B6, a layer of halogen-free low-smoke flame-retardant polyolefin inner protective layer B8 is extruded outside the double-layer synthetic mica fire-resistant layer 7, and the power transmission unit is manufactured; extruding a layer of rectangular low-smoke halogen-free polyethylene inner protective layer 10 outside an optical fiber 9 of the cable by using an extruder, and finishing the manufacturing of an optical unit; the manufacturing method comprises the steps that a power transmission unit, a digital signal transmission unit and an optical unit are stranded to form a cable inner core on a cabling machine, when the cable inner core is stranded, flame-retardant filling 11 is filled in the gap of the cable inner core, an extruder is used for extruding a halogen-free low-smoke flame-retardant polyolefin inner protective layer C12 outside the cable inner core, a high-speed braiding machine is used for braiding a copper wire braided shielding layer B13 outside the halogen-free low-smoke flame-retardant polyolefin inner protective layer C12, an extruder is used for extruding a halogen-free low-smoke flame-retardant polyolefin sheath layer 14 outside the copper wire braided shielding layer B13, an extruder is used for extruding a nylon outer sheath layer 15 outside the halogen-free low-smoke flame-retardant polyolefin sheath layer 14, and identification marks are printed on.
The wire and cable sheath has multiple insulating layers, has a good insulating effect integrally, and is characterized in that the surface layer adopts a nylon sheath which has a plurality of excellent physical and chemical properties, such as high mechanical strength, high hardness, wear resistance, tear resistance, excellent electrical insulating property, acid resistance (including formic acid), alkali resistance and most of inorganic salt solution resistance.
The protective skin is prepared by extruding 40-80 parts of polyamide resin (PA for short, commonly called nylon), 2-20 parts of hindered phenol antioxidant, 1-10 parts of thiodipropionic acid diester, 1-8 parts of calcium stearate, 1-5 parts of hindered amine light stabilizer, 0.2-3 parts of ethylene distearamide, 0.5-2 parts of silicone powder and 0.1-3 parts of nano talcum powder at corresponding temperature. At present, there are four types of polyamide resins (abbreviated as PA, commonly known as nylon) commonly used in the cable industry: the polyamide resin PA66, the polyamide resin PA6, the polyamide resin PA12 and the polyamide resin PA1010 can be selected according to the use occasion of the cable, and the specific preparation method is as follows:
example 1: a preparation method of a rat and ant prevention wear-resistant nontoxic environment-friendly nylon sheath material is characterized by comprising the following steps:
step one, adding 75 parts of polyamide resin PA66, 19 parts of hindered phenol antioxidant, 9 parts of thiodipropionic acid diester, 7.5 parts of calcium stearate, 4 parts of hindered amine light stabilizer, 3 parts of ethylene distearamide, 1.8 parts of silicone powder and 2.8 parts of nano talcum powder into a high-speed mixer, and mixing for 5 minutes to obtain a blended material;
step two, putting the blended material obtained in the step one into a screw extruder, melting and mixing at the temperature of 300 ℃ and the rotating speed of 200r/min, and extruding;
and thirdly, granulating, screening and packaging after cooling to obtain the rat and ant resistant wear-resistant non-toxic environment-friendly nylon sheath material.
Example 2: a preparation method of a rat and ant prevention wear-resistant nontoxic environment-friendly nylon sheath material is characterized by comprising the following steps:
firstly, putting 80 parts of polyamide resin PA6, 15 parts of hindered phenol antioxidant, 8 parts of thiodipropionic acid diester, 7 parts of calcium stearate, 3 parts of hindered amine light stabilizer, 3 parts of ethylene distearamide, 2 parts of silicone powder and 3 parts of nano talcum powder into a high-speed mixer, and mixing for 5 minutes to obtain a blended material;
step two, putting the blended material obtained in the step one into a screw extruder, melting and mixing at the temperature of 220 ℃ and the rotating speed of 300r/min, and extruding;
and thirdly, granulating, screening and packaging after cooling to obtain the rat and ant resistant wear-resistant non-toxic environment-friendly nylon sheath material.
Example 3: a preparation method of a rat and ant prevention wear-resistant nontoxic environment-friendly nylon sheath material is characterized by comprising the following steps:
firstly, putting 80 parts of polyamide resin PA12, 15 parts of hindered phenol antioxidant, 8 parts of thiodipropionic acid diester, 7 parts of calcium stearate, 3 parts of hindered amine light stabilizer, 3 parts of ethylene distearamide, 2 parts of silicone powder and 3 parts of nano talcum powder into a high-speed mixer, and mixing for 5 minutes to obtain a blended material;
step two, putting the blended material obtained in the step one into a screw extruder, melting and mixing at the temperature of 228 ℃ and the rotating speed of 200r/min, and extruding;
and thirdly, granulating, screening and packaging after cooling to obtain the rat and ant resistant wear-resistant non-toxic environment-friendly nylon sheath material.
Example 4: a preparation method of a rat and ant prevention wear-resistant nontoxic environment-friendly nylon sheath material is characterized by comprising the following steps:
step one, 70 parts of polyamide resin PA1010, 16 parts of hindered phenol antioxidant, 9 parts of thiodipropionic acid diester, 7 parts of calcium stearate, 4 parts of hindered amine light stabilizer, 3 parts of ethylene distearamide, 2 parts of silicone powder and 3 parts of nano talcum powder are put into a high-speed mixer and mixed for 5 minutes to obtain a blended material;
step two, putting the blended material obtained in the step one into a screw extruder, melting and mixing at 255 ℃ and 260r/min, and extruding;
and thirdly, granulating, screening and packaging after cooling to obtain the rat and ant resistant wear-resistant non-toxic environment-friendly nylon sheath material.
Claims (3)
1. The cable for the intelligent building is characterized by comprising a cable inner core structure and a cable outer sleeve structure, wherein the cable inner core structure comprises a copper conductor A, a polyolefin insulating layer, a twisted pair group, a copper wire woven shielding layer A, a halogen-free low-smoke flame-retardant polyolefin inner protective layer A, a copper conductor B, a double-layer synthetic mica flame-retardant layer, a halogen-free low-smoke flame-retardant polyolefin inner protective layer B, an optical fiber and a low-smoke halogen-free polyethylene inner protective layer; the cable jacket structure comprises a halogen-free low-smoke flame-retardant polyolefin inner protective layer C, a copper wire braided shielding layer B, a halogen-free low-smoke flame-retardant polyolefin sheath layer and a nylon outer sheath layer from inside to outside in sequence; the space between the cable inner core structure and the cable outer sleeve structure is filled.
2. The intelligent building cable of claim 1, wherein the cable core structure comprises a power transmission unit, a digital signal transmission unit, and an optical unit.
3. The cable as claimed in claim 1, wherein the filler is a fire retardant filler rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020495210.3U CN211742700U (en) | 2020-04-08 | 2020-04-08 | Cable for intelligent building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020495210.3U CN211742700U (en) | 2020-04-08 | 2020-04-08 | Cable for intelligent building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211742700U true CN211742700U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020495210.3U Expired - Fee Related CN211742700U (en) | 2020-04-08 | 2020-04-08 | Cable for intelligent building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211742700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261328A (en) * | 2020-04-08 | 2020-06-09 | 鲁能泰山曲阜电缆有限公司 | Cable for intelligent building |
-
2020
- 2020-04-08 CN CN202020495210.3U patent/CN211742700U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261328A (en) * | 2020-04-08 | 2020-06-09 | 鲁能泰山曲阜电缆有限公司 | Cable for intelligent building |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |