CN210325326U - A high shielding nature composite cable for security protection control - Google Patents
A high shielding nature composite cable for security protection control Download PDFInfo
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- CN210325326U CN210325326U CN201920756470.9U CN201920756470U CN210325326U CN 210325326 U CN210325326 U CN 210325326U CN 201920756470 U CN201920756470 U CN 201920756470U CN 210325326 U CN210325326 U CN 210325326U
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Abstract
The utility model relates to a high shielding nature composite cable for security protection monitoring, including composite cable core and the fire-retardant environmental protection outer jacket of parcel outside the composite cable core, the composite cable core includes signal transmission unit and power transmission unit; the signal transmission unit comprises a series connection integrated insulated wire core for data transmission and a signal transmission shielding layer wrapping the wire core; the power transmission unit comprises an environment-friendly flexible wire for security monitoring and a shielding layer for security monitoring wrapping the flexible wire; the signal transmission unit and the power transmission unit are stranded into a cable through a composite cabling structure. The utility model discloses can realize network communication and the common transmission of electric power energy, adopt different structures according to service environment's difference, reduce the external diameter and the quality of cable, save the space, further reduce the industry cost, avoid secondary wiring simultaneously, solve equipment power consumption problem in the network construction.
Description
Technical Field
The patent of the utility model relates to a high shielding nature composite cable for security protection control, mainly used security protection is with control shielding line, and this cable is applicable to communication, audio frequency, broadcasting, sound system, burglar alarm system, fire extinguishing system etc. that interference immunity is strong, high-efficient safety, belongs to the high new technology field of cable.
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. Not only occupies a large amount of space, but also causes the problems of high purchasing cost, repeated wiring, high construction cost and the like of enterprises. Therefore, a high-shielding composite cable for security monitoring can be developed no matter from the aspects of environmental protection and safety characteristics or cost reduction.
Disclosure of Invention
The patent of the utility model relates to a high shielding nature composite cable for security protection control: 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 network signal transmission unit is used for increasing 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.
The utility model discloses an aim at realize like this:
a high-shielding composite cable for security monitoring,
the cable comprises a composite cable core and a flame-retardant environment-friendly outer protective layer wrapped outside the composite cable core, wherein the composite cable core comprises a signal transmission unit and a power transmission unit;
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 an environment-friendly flexible wire for security monitoring and a shielding layer for security monitoring wrapped outside the environment-friendly flexible wire;
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 twisted-pair multi-cable core structure formed by twisting and cabling insulated wire cores.
The series integrated insulated wire core for data transmission adopts an insulated wire core composed of a copper core and solid polyolefin.
Preferably, according to transmission rate, the utility model discloses a 5 types, 5e types, 6 types or 6e types the insulating core that comprises 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 only one braided layer is adopted, the braiding density is not less than 75 percent for ensuring better shielding effect
The insulation material of the environment-friendly flexible electric wire for security monitoring is halogen-free low-smoke flame-retardant polyolefin with the environment-friendly characteristic. 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 use environment does not require a strong unit shielding layer, shielding is not required. When a stronger unit shielding layer is needed in a use environment, the cabling pitch is not more than 8 times of the upper limit of the average outer diameter, and an environment-friendly non-hygroscopic material with flame retardant property can be adopted for filling in the stranding process and is fastened by adopting a proper belt.
The shielding layer for security monitoring adopts braided shielding, and the braiding density is not less than 80%.
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 the stranding process is filled with an environment-friendly non-hygroscopic material with a flame-retardant characteristic and is fastened by a proper belt.
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 preferably made of polyolefin. 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 reliability and the safety of the cable are greatly improved.
The patent of the utility model relates to a high shielding nature composite cable for security protection control 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 network signal transmission unit is used for increasing 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.
The utility model discloses a cable is applicable to strong, the high-efficient safe communication of interference immunity, audio frequency, broadcasting, sound system, burglar alarm system, fire extinguishing system etc.. Meanwhile, the cable has extremely high flame-retardant and environment-friendly performance, and is suitable for fire-fighting equipment, fireproof elevators, lighting systems and the like in various important buildings or places with dense personnel.
This cable compares in general security protection cable for control, has all added the shielding layer at data communication cable and environmental protection flexible line skin, consequently no matter be the outside of cable or the inside of cable, and the interference killing feature improves greatly. 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, low smoke, zero halogen and the like according to different use occasions and environments.
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.
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 high-shielding composite cable for security monitoring, a series integrated insulated wire core 1 for data transmission is produced by adopting 5 types, 5e types, 6 types and 6e types of insulated wire cores composed of copper cores and high-density solid polyolefin in YD/T-1019-2013 standards in an integrated mode. 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.
Horizontal pair twist multi-cord structure 2 horizontal pair twist multi-cord structure. Two data transmission lines with different colors and the same specification are twisted in pairs and then cabled by integrally connecting the insulated wire cores in series, and the pitches meeting the standards of YD/T-1019-sand 2013 are adopted for the twisted pairs and the cabled lines according to the types. 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 can adopt any structure of a layer of single-sided composite aluminum foil, a layer of single-sided aluminum foil plus a drain wire, a layer of braided layer and a layer of single-sided composite aluminum foil plus 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.
The shielding layer 5 for security monitoring is formed by weaving copper wires or tinned copper wires. The diameter of the braided monofilament meets the requirement of GB/T5023.5-2008 standard, and the density is not less than 80%.
As shown in fig. 1, the composite cabling structure 6 twists the signal transmission unit and the power transmission unit with a twist pitch that is no greater 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 7 is made of extruded halogen-free low-smoke flame-retardant environment-friendly materials, and can also be made of environment-friendly materials with other characteristics such as rat and ant resistance, ultraviolet resistance, oil resistance and the like 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 integrative insulation core 1 of series connection, signal transmission shielding layer 3, the security protection control is with environmental protection flexible line 4, the security protection control is with shielding layer 5, compound cabling structure 6 and fire-retardant environmental protection outer jacket 7 do the utility model discloses a key. The application of the series integrated insulated wire core 1 for data transmission increases the use width of data signal transmission, and the application range is wider; the signal transmission shielding layer 3 can increase the shielding effect of the data transmission unit and increase the stability of the signal; the environmental protection flexible wire 4 for security monitoring can be designed into different structural forms according to different use conditions, so that the cost is saved. The shielding layer 5 for security monitoring can completely isolate the signal transmission unit and the power transmission unit, so that the mutual influence is reduced; the composite cabling structure 6 is stranded and cabled according to a certain pitch, so that the stability of the structure is improved, and different fillers and wrapping belts can be selected to meet different use environments; the flame-retardant environmental-friendly outer sheath 7 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 (10)
1. The utility model provides a high shielding nature composite cable for security protection control which characterized in that:
the cable comprises a composite cable core and a flame-retardant environment-friendly outer protective layer wrapped outside the composite cable core, wherein the composite cable core comprises a signal transmission unit and a power transmission unit;
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 an environment-friendly flexible wire for security monitoring and a shielding layer for security monitoring wrapped outside the environment-friendly flexible wire;
the signal transmission unit and the power transmission unit are stranded into a cable.
2. The high-shielding composite cable for security monitoring according to claim 1, wherein: the innermost layer of the signal transmission unit adopts a horizontal twisted-pair multi-cable core structure formed by twisting and cabling insulated wire cores.
3. The high-shielding composite cable for security monitoring according to claim 1, wherein: the series integrated insulated wire core for data transmission adopts an insulated wire core composed of a copper core and solid polyolefin.
4. The high-shielding composite cable for security monitoring according to claim 1, wherein: 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 high-shielding composite cable for security monitoring according to claim 4, wherein: when one layer of braid shielding is adopted, the braiding density is not less than 75%.
6. The high-shielding composite cable for security monitoring according to claim 1, wherein: the insulation material of the environment-friendly flexible electric wire for security monitoring is halogen-free low-smoke flame-retardant polyolefin with the environment-friendly characteristic.
7. The high-shielding composite cable for security monitoring according to claim 1, wherein: the shielding layer for security monitoring adopts braided shielding, and the braiding density is not less than 80%.
8. The high-shielding composite cable for security monitoring according to claim 1, wherein:
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.
9. The high-shielding composite cable for security monitoring according to claim 8, wherein: 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%.
10. The high-shielding composite cable for security monitoring according to claim 1, wherein: the flame-retardant environment-friendly outer protection layer is made of polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756470.9U CN210325326U (en) | 2019-05-20 | 2019-05-20 | A high shielding nature composite cable for security protection control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756470.9U CN210325326U (en) | 2019-05-20 | 2019-05-20 | A high shielding nature composite cable for security protection control |
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| Publication Number | Publication Date |
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| CN210325326U true CN210325326U (en) | 2020-04-14 |
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| CN201920756470.9U Active CN210325326U (en) | 2019-05-20 | 2019-05-20 | A high shielding nature composite cable for security protection control |
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