CN210325232U - Monitoring shielding environment-friendly composite cable for security protection - Google Patents
Monitoring shielding environment-friendly composite cable for security protection Download PDFInfo
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- CN210325232U CN210325232U CN201920756469.6U CN201920756469U CN210325232U CN 210325232 U CN210325232 U CN 210325232U CN 201920756469 U CN201920756469 U CN 201920756469U CN 210325232 U CN210325232 U CN 210325232U
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Abstract
The utility model relates to a monitoring shielding environment-friendly composite cable for security protection, which comprises a power transmission unit, a signal transmission unit and a flame-retardant environment-friendly outer protective layer from an inner layer to an outer layer; the signal transmission unit comprises a series connection integrated insulated wire core for data transmission and a signal transmission shielding layer wrapped outside the series connection integrated insulated wire core; the power transmission unit comprises a plurality of environment-friendly flexible wires for security monitoring; the signal transmission unit and the power transmission unit are stranded into a cable. The utility model discloses can realize network communication and the common transmission of electric power energy, it is high with the adaptability of equipment, the application is wide.
Description
Technical Field
The patent of the utility model relates to a security protection is with keeping watch on shielding environmental protection composite cable, mainly used rated voltage 300/500V reaches following security protection and is with control shielding line. Belongs to the high and new technical field of cables.
Background
Along with the improvement of living standard of people, the requirements of people on office and residence safety are higher and higher, a series of security products enter the life and work of people and are used as connecting and energy transmission cables of a security system, and monitoring shielded cables for anti-interference circuit connection are more and more widely applied; meanwhile, the application of an electrical automation control system in the modern industry is more and more extensive, and particularly, a high-shielding cable is generally adopted to provide energy transmission and signal control in a mobile device adopting integrated electrical control.
At present, many cables for security monitoring in the market are not environment-friendly cables of RVVP type. Traditional cable for security protection control does not have the environmental protection characteristic, and smog and harmful gas all can exist when catching fire, being burnt by fire or transshipping for a long time and insulating impaired, can't satisfy growing environmental protection requirement completely. The smoke generated when the polyvinyl chloride insulated cable is burnt contains a large amount of CO and CO2And chlorides, whose fumes may also contain bromides, fluorides and hydrogen sulfide, which are very harmful to humans. Therefore, a large number of cables with environmental protection performance need to be equipped in the market to meet the environmental protection requirement of high-end areas. Meanwhile, as the common security cable cannot realize network digital signal transmission, another data cable needs to be prepared. Occupy a large amount of spaces, cause the purchase cost height of enterprise, the wiring is repeated, problems such as construction cost height. Therefore, a novel monitoring shielding environment-friendly composite cable for security protection can be developed no matter from the aspect of environment-friendly safety characteristic or cost reduction.
Disclosure of Invention
The utility model discloses a security protection is with keeping watch on shielding environmental protection composite cable can overcome the difficult problem that the fire prevention environmental protection performance of traditional security protection monitoring cable is poor on the market, can overcome a plurality of interfaces again, many cable wiring is difficult, occupation space big scheduling problem, and product property ability can pass through GB/T5023.5-2008 and YD/T-1019 and add the inspection of 2013 standard, can satisfy the market demand completely.
The utility model discloses an aim at realize like this: a monitoring shielding environment-friendly composite cable for security protection,
the cable sequentially comprises a power transmission unit, a signal transmission unit and a flame-retardant environment-friendly outer protective layer from the inner layer to the outer layer;
the signal transmission unit comprises a series connection integrated insulated wire core for data transmission and a signal transmission shielding layer wrapped outside the series connection integrated insulated wire core;
the power transmission unit comprises a plurality of environment-friendly flexible wires for security monitoring;
the signal transmission unit and the power transmission unit are stranded into a cable.
The innermost layer of the signal transmission unit adopts a horizontal pair-twisted multi-cable core structure formed by twisting and cabling the data transmission integrated insulated wire cores in series.
The series integrated insulated wire core for data transmission adopts an insulated wire core composed of a copper core and solid polyolefin.
The signal transmission shielding layer adopts any one shielding structure of a layer of single-sided composite aluminum foil, a layer of single-sided aluminum foil with drain wires, a layer of braided layer or a layer of single-sided composite aluminum foil with a layer of braided layer.
When one layer of braid shielding is adopted, the braiding density is not less than 75%.
The environment-friendly flexible electric wire for security monitoring adopts RVV-like insulated wire cores or cable cores.
The stranding pitch of the signal transmission unit and the power transmission unit is not more than 25 times of the outer diameter of the cable, and an environment-friendly non-hygroscopic material with a flame-retardant characteristic is filled in the stranding process.
The environment-friendly non-hygroscopic material is an environment-friendly filling rope with flame-retardant property or waterproof yarn with water-blocking property, a layer of halogen-free low-smoke flame-retardant environment-friendly wrapping tape is externally used for binding, and the wrapping tape covering rate is not less than 30%.
The flame-retardant environment-friendly outer protective layer is made of a halogen-free low-smoke flame-retardant environment-friendly material. And according to the use environment and the requirements of customers, the environment-friendly material with other characteristics of rat and ant resistance, ultraviolet ray resistance, oil resistance and the like can be adopted.
The patent of the utility model relates to a security protection is with keeping watch on shielding environmental protection composite cable for replace ordinary security protection control shielded cable. In the power transmission unit of the cable, the conductor adopts a 5 th class conductor in GB/T3956-; aiming at the possible fire and other conditions, the cable not only has a flame-retardant environment-friendly insulating structure, but also has a high flame-retardant wrapping tape filling layer. Can delay the flame spread to the maximum extent under the condition of fire, thereby giving people the escape opportunity. The insulating composite structure, the filler, the protective layer and the like of the cable are all made of environment-friendly materials, so that a large amount of pollutants can not be generated under abnormal conditions, and the characteristics of safety and environment friendliness are really realized. The adopted signal transmission unit increases the transmission of network data on the basis of realizing the original security monitoring, can realize multiple transmission technologies of signals and energy, and has wide product application range.
Meanwhile, the steel wire rope has the advantages of small outer diameter, light weight, good bending performance, side pressure resistance, convenience in construction, no need of secondary wiring and the like.
Compared with a common cable for security monitoring, the cable can also realize transmission of network data signals on the basis of keeping the original performance. The energy-saving water heater has the advantages of small outer diameter, light weight, space saving and the like, can greatly reduce energy waste and save cost after being used for a long time, and has great economic benefit. The cable can be designed to have the characteristics of flame retardance, water resistance and the like according to different use occasions and environments. The cable is suitable for anti-interference, efficient and safe communication, audio frequency, broadcasting, sound systems, anti-theft alarm systems, intelligent automatic systems, automatic meter reading systems, fire fighting systems and the like. Meanwhile, the cable has extremely high flame-retardant and environment-friendly performance, and is suitable for fire-fighting equipment, fire elevators, lighting systems, home decoration wiring systems and the like in various important buildings or places with dense personnel.
Drawings
The patent is further described with reference to the drawings and the embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, a monitoring shielding environment-friendly composite cable for security and protection, a series connection integrated insulated wire core 1 for data transmission is produced by integrally adopting insulated wire cores which are 5 types, 5e types, 6 types and 6e types in YD/T-1019-2013 standard and are composed of copper cores and high-density solid polyolefin. The application range is wider, and the requirements of different occasions can be met. The higher the class, the more stable the structure, the less attenuation and crosstalk, the better the transmission performance.
The horizontal pair-twisting multi-cable-core structure 2 adopts a mode that two data transmission with different colors and the same specification are firstly pair-twisted and then cabled by series-connected integrated insulated wire cores, and the pair-twisting and cabling adopt pitches meeting the YD/T-1019-2013 standard according to categories. In order to ensure the stability of the cable structure, a cross-shaped framework can be added. And a layer of corresponding environment-friendly belt is coated outside the finished cable.
The signal transmission shielding layer 3 adopts any structure of a layer of single-sided composite aluminum foil, a layer of single-sided aluminum foil with drain wires, a layer of braided layer and a layer of single-sided composite aluminum foil with a braided layer in the standard YD/T-1019-2013. The thickness of the aluminum foil, the diameter of the drain wire, the braided monofilament material, the diameter and the like all meet the standard specification, and when only one braided layer is adopted, the braiding density is not less than 75% for ensuring better shielding effect.
The environment-friendly flexible electric wire 4 for security monitoring adopts RVV insulation wire cores or cable cores in GB/T5023.5-2008 standard. The conductor adopts a category 5 conductor in GB/T3956-2008 standard, is thinner than a monofilament of category 1, has better flexibility and longer bending life, and is easier to lay. For the 5 th class conductor, the small section is generally formed by one-time bunching, and the large section is generally produced by a production process of firstly performing strand bunching and then performing strand compound twisting. After the compound twisting is finished, a layer of polyester tape can be added and wrapped to prevent the wire core from loosening. The insulation adopts halogen-free low-smoke flame-retardant polyolefin insulation material. Compared with the common polyvinyl chloride insulating material, the material has the characteristics of no halogen, low smoke, flame retardance, environmental protection and the like, and the product is safer and more reliable. When the using environment does not need a stronger unit shielding layer, cabling is not needed, when the using environment needs the stronger unit shielding layer, the cabling pitch is not more than 8 times of the upper limit of the average outer diameter, an environment-friendly non-hygroscopic material with flame retardant property can be adopted to fill in the stranding process, and a proper belt is adopted to tighten the stranding process.
As shown in fig. 1, the composite cabling structure 5 is formed by twisting the signal transmission unit and the power transmission unit with a twisting pitch of not more than 25 times the outer diameter of the cabling. The cable can be filled with environment-friendly non-hygroscopic materials with flame-retardant property in the stranding process, the filling is round and compact, the cable is usually formed by flame-retardant filling ropes or yarns according to different use characteristics and conditions of the cable, and when the water-blocking filling ropes or yarns are adopted, the longitudinal waterproof and damp-blocking effects can be achieved in the use process of the cable. After filling and fastening with a suitable tape.
The flame-retardant environment-friendly outer protective layer 6 is made of extruded halogen-free low-smoke flame-retardant environment-friendly materials, and can also be made of rat-proof ant-proof, ultraviolet-proof, oil-proof and other characteristic environment-friendly materials according to the use environment and the requirements of customers. The reliability and the safety of the cable are greatly improved.
Data transmission is with the design and the application of the integrative insulated wire core of series connection, signal transmission shielding layer, security protection control with environmental protection flexible line, compound cabling structure and fire-retardant environmental protection outer jacket the utility model discloses a key. The application of the series integrated insulated wire core for data transmission increases the use width of data signal transmission, so that the application range is wider; the signal transmission shielding layer can increase the shielding effect of the data transmission unit and increase the stability of the signal; the environmental protection flexible wire for security monitoring can be designed into different structural forms according to different use conditions, so that the cost is saved. The composite cabling structure is stranded into cables according to a certain pitch, so that the stability of the structure is improved, and different fillers and straps can be selected to meet different use environments; the flame-retardant environment-friendly outer sheath protects the cable from external influences.
Compared with the general monitoring shielded cable for security protection, the overall design of the cable improves the environmental protection performance by 30-50 percent, saves the material cost by 15-25 percent, can overcome the defects of the existing security monitoring cable, and realizes the advantages of no halogen, low smoke, flame retardance, environmental protection, safety and the like. More importantly, the novel monitoring shielded cable well combines a data cable for network signal transmission with a common monitoring shielded cable. The outer diameter and the weight of the cable are reduced, the occupied space is smaller, and the cost is lower. Meanwhile, multiple kinds of transmission can be provided, the adaptability of the same equipment is high, the application range is wide, secondary wiring is avoided, and the construction cost is reduced.
Claims (9)
1. The utility model provides a security protection is with keeping watch on shielding environmental protection composite cable which characterized in that:
the cable sequentially comprises a signal transmission unit, a power transmission unit and a flame-retardant environment-friendly outer protective layer from the inner layer to the outer layer;
the signal transmission unit comprises a series connection integrated insulated wire core for data transmission and a signal transmission shielding layer wrapped outside the series connection integrated insulated wire core;
the power transmission unit comprises a plurality of environment-friendly flexible wires for security monitoring;
the signal transmission unit and the power transmission unit are stranded into a cable.
2. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 1, characterized in that: the innermost layer of the signal transmission unit adopts a horizontal pair-twisted multi-cable core structure formed by twisting and cabling the data transmission integrated insulated wire cores in series.
3. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 1, characterized in that: the series integrated insulated wire core for data transmission adopts an insulated wire core composed of a copper core and solid polyolefin.
4. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 1, characterized in that: the signal transmission shielding layer adopts any one shielding structure of a layer of single-sided composite aluminum foil, a layer of single-sided aluminum foil with drain wires, a layer of braided layer or a layer of single-sided composite aluminum foil with a layer of braided layer.
5. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 4, characterized in that: when one layer of braid shielding is adopted, the braiding density is not less than 75%.
6. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 1, characterized in that: the environment-friendly flexible electric wire for security monitoring adopts RVV-like insulated wire cores or cable cores.
7. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 1, characterized in that: the stranding pitch of the signal transmission unit and the power transmission unit is not more than 25 times of the outer diameter of the cable, and an environment-friendly non-hygroscopic material with a flame-retardant characteristic is filled in the stranding process.
8. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 7, characterized in that: the environment-friendly non-hygroscopic material is an environment-friendly filling rope with flame-retardant property or waterproof yarn with water-blocking property, a layer of halogen-free low-smoke flame-retardant environment-friendly wrapping tape is externally used for binding, and the wrapping tape covering rate is not less than 30%.
9. The monitoring and shielding environment-friendly composite cable for security and protection according to claim 1, characterized in that: the flame-retardant environment-friendly outer protective layer is made of a halogen-free low-smoke flame-retardant environment-friendly material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756469.6U CN210325232U (en) | 2019-05-20 | 2019-05-20 | Monitoring shielding environment-friendly composite cable for security protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756469.6U CN210325232U (en) | 2019-05-20 | 2019-05-20 | Monitoring shielding environment-friendly composite cable for security protection |
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| Publication Number | Publication Date |
|---|---|
| CN210325232U true CN210325232U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920756469.6U Active CN210325232U (en) | 2019-05-20 | 2019-05-20 | Monitoring shielding environment-friendly composite cable for security protection |
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| Country | Link |
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| CN (1) | CN210325232U (en) |
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- 2019-05-20 CN CN201920756469.6U patent/CN210325232U/en active Active
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