CN101145410A - Bus cable for building intelligent control system - Google Patents
Bus cable for building intelligent control system Download PDFInfo
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- CN101145410A CN101145410A CNA2007100434956A CN200710043495A CN101145410A CN 101145410 A CN101145410 A CN 101145410A CN A2007100434956 A CNA2007100434956 A CN A2007100434956A CN 200710043495 A CN200710043495 A CN 200710043495A CN 101145410 A CN101145410 A CN 101145410A
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- bus cable
- control system
- intelligent control
- cable
- building intelligent
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Abstract
The invention relates to a bus cable used for a building intelligent control system and is characterized in that the bus cable has a four-core structure, wherein the cable core is formed by twisting two wire pairs (red-black and yellow-white pairs); the cable comprises, from the inside to the outside, a conductor, a high-density polyethylene insulating inner protective layer and an outer jacket layer; one of the two wire pairs is used to transmit a DC 24 V power to the system and digital signals as well and the other one is the spare pair; the bus cable is adapted to the on-off, control, monitoring and signal information transmission of buildings; the data transmission rate of the bus cable is more than or equal to 960KB/S; and the rated voltage of the bus cable is 0.6/1kV. The inventive bus cable used for the control system is safe and reliable to serve as the power line for digital control lines.
Description
Technical field
The present invention relates to a kind of control system bus cable that is used for, relate to a kind of bus cable that is used for building intelligent control system or rather, this bus cable transmits control power supply and control signal simultaneously.Belong to field of cables.
Background technology
Along with advancing by leaps and bounds of architectural electricity and power electronic technology, in modern building electric installation, generally adopt computer to control in real time, directly control power electronic device by digitial controller, carry out data acquisition and dynamically control to building interior various system equipments such as electric power, illumination, health plumbing, fire alarm fire-fighting, air conditioner ventilation, elevator etc., realize the intellectuality of building electrical control.Meanwhile, the variation of various function facilities makes that also electric installation and control circuit are increasingly sophisticated.This just requires the design of electric wiring, can satisfy power, convenient simplification installation, can make system have good flexibility and cheap operating cost again.
The general employing of conventional electrical circuit is fixedly laid with cable and is connected electric equipment, and but there is weak point in this connection.At first, owing to directly control the phase line of power break-make, make control circuit bear power load, thereby increased the cost and the disaster hidden-trouble of electric wiring; Secondly, aspect power regulation, can't realize digital intelligent control, be difficult for realizing accuracy, fail safe and the reliability of electrical control.For overcoming the deficiency of traditional circuit,, successfully researched and developed the building intelligent control system bus cable in conjunction with international advanced wiring technique and building intelligent control technology.Trial run through certain customers shows that the product result of use is good, has tangible economic benefit and superiority.
The bus cable that is used for building intelligent control system is mainly used in modern intelligent building, is used for the monitoring to electric installation in building, and can be connected with network by the corresponding interface, realizes the Long-distance Control of building intelligent system.Adopt the building intelligent control technology,, can realize the adjusting of indoor light intelligence in conjunction with infrared induction or time control; By temperature sensing, mobile sensor, can realize that safety monitoring reports to the police automatically; Also can be according to service time, environmental characteristics, default indoor temperature, ventilation effect etc. along with going deep into of modern electrical technology revolution, will be human life staying idle at home and work, bring a new pleasant environment.
Along with China's economy is flourish through what build, intelligent building, city just generally rises, and the application of building intelligent electric device and building intelligent control system is also increasingly extensive.Especially the penetration and promotion of intelligent appliance will be more and more many also to the demand of building intelligent control system bus cable.Characteristics such as the building bus cable also will be with low cost with it, it is simple and direct to install, excellent performance, and progressively be subjected to users' favor.
Summary of the invention
The object of the invention is to provide a kind of bus cable that is used for building intelligent control system.
A kind of building intelligent control system bus cable provided by the invention, overcome many deficiencies of traditional control cable, especially aspect power regulation, can't realize the defective of digital intelligent control, and can be connected with network by the corresponding interface, realize the intelligent monitoring of electric installation in the building and the Long-distance Control of intelligence system, improve accuracy, fail safe and the reliability of electrical control.
Mentality of designing of the present invention is:
Building intelligent control system is the observing and controlling power source with safe voltage (DC24V), through behind the system initialization, by parameter setting to the control system bus unit, define the address of each detector and corresponding control task, bus cable is used for the transmission of break-make, control, monitoring and signal message.Function and use particularity according to building intelligent control system, at first consider electrical security, usually require the electric insulation intensity of bus cable consistent with its using electricity system of controlling, its grade of rated voltage can reach 0.6/1kV, according to the insulation field intensity of polythene material, thereby calculate its minimum insulation layer thickness e
1
Secondly, bus cable should have enough load-bearing capacities as the power power-line of digitial controller, by only several milliamperes of the operating currents of each digitial controller, according to fixedly laying the calculating of using the relevant ampacity of cable, work simultaneously with 100 digitial controllers and calculate, having selected the cross section for use is 0.5mm
2Conductor.
The 3rd, the bus cable as digital communication is used also will calculate from aspects such as characteristic impedance couplings, adjusts the size of insulation and conductor.Through repeatedly calculating and verifying, selected the 0.8mm standard specification in the communications industry for use, determined conductor diameter after, can release insulation thick-layer degree e from the characteristic impedance formula
2, it should be noted that: if e
2＜e
1, then need readjust conductor size.Simultaneously, also calculate other transmission performance indicators of having verified bus cable, as decay, message transmission rate etc.For guaranteeing control of product quality, also want evaluation work electric capacity, conductor DC resistance, line to D.C. resistance imbalance etc., so that according to these parameters, in each manufacturing process, the basketry card strictly carries out process control scientifically and rationally.
According to above-mentioned mentality of designing, the bus cable that is used for control system provided by the invention adopts quadrature arrangement, and the diameter of every core conductor is 0.8mm, and it is the high-density polyethylene layer of 0.6mm that insulating barrier adopts thickness, control precision is 0.003mm, cable core by red one black, yellow one white twisted pair wire is stranded forms.
Bus cable provided by the invention is made up of conductor, high density polyethylene (HDPE) insulating barrier, band, aluminium-plastic tape, braiding copper wire, polyvinyl chloride sheath and oversheath as shown in Figure 1 from inside to outside successively.
Although bus cable structure provided by the invention is simple relatively, its manufacturing procedure is more relatively, and the specification requirement height, and its manufacturing process flow as shown in Figure 2.
For guaranteeing that cable has good electric property, in manufacture process, should note carrying out following technology controlling and process work.
(1) adopts advanced production equipment and high-precision mold, rationally control tension force, preheat temperature, guarantee working pair D.C. resistance imbalance≤5%, insulation concentricity, the uniformity.
(2) for guaranteeing the Digital Transmission performance of bus cable, the diameter precision is controlled at ± 0.003mm in.For improving transmission bandwidth, reduce high frequency attenuation, adopt fine pith and high-precision stranded technology, pitch accuracy is controlled at ± 0.5mm in.
(3) production control of composite shielding layer had both determined the shielding factor performance index of finished product, affected the high-frequency transmission performance index of cable again.This processing apparatus is reequiped design, vertical chartered plane is directly installed on the end of incoming cables of braiding machine, realized the series connection of vertical bag and braiding, both enhanced productivity, also guarantee the stable and roundness of vertical pack arrangement.
(4) for the waterproof that adapts to the novel architecture line, oil resistant, requirement such as fire-retardant, adopted the nylon outer jacket structure.
Complex control system requires and economic feasibility, calculates the finished product electricity function index requirement of bus cable.See table 1 for details.
The electricity function index of table 1 finished cable
| Sequence number | Interventions Requested | Unit | Index request |
| 1 | 20 ℃ of conductor DC resistances | Ω/100m | ≤3.7 |
| 2 | Insulation resistance | MΩ·100m | ≥10000 |
| 3 | The 5min voltage test | V | 1500 |
| 4 | Line is to the D.C. resistance imbalance | ％ | ≤5 |
| 5 | Decay (20 ℃, 960KHz) | dB/100m | ≤1.8 |
| 6 | Mutual capacitance | nF/100m | ≤4.8 |
| 7 | Message transmission rate | kB/s | ≥960 |
| 8 | The shielding rejection coefficient | 0.2 |
As the indoor cable that lays, finished cable also should stand the not flame-retarding power of GB/T18380.1 regulation can be tested.At special occasions, also can adopt protection against rodents, high flame retardant, special cable structure such as high temperature resistant as required.
Compare with the conventional electrical line cord, the bus cable that is used for the building Based Intelligent Control provided by the invention can adapt to the needs of China's intelligence building wiring better.Because this cable has the incomparable feature performance benefit of like product, mainly show following several aspect:
(1) product structure is simple, two pairs of lines only, and wherein a line is to both being used for transmission system direct current 24V power supply, is used for transmitting digital signals again, and another is to as extra pair.On performance, can guarantee the security reliability of long-term work under the rated voltage, can guarantee the accurate stable transfer of modulation signal again.
(2) this cable separates the control circuit in the modern building electric device fully with supply line, has reduced fire and other accident potential; The transmission of all electrical signals simultaneously only needs a bus cable, has saved a large amount of cables and wiring space than conventional mounting.
(3) aspect the wiring Electro Magnetic Compatibility, has the forceful electric power Magnetic Shielding Effectiveness.Carry out transmission manner on system's DC power supply because employing is modulated at control signal, improve antijamming capability more significantly, reduced transmission error rates.
(4) this product has drawn the intelligent building wiring and the fixing rational factor of cabling, and can be equipped with nylon sheath wire, not only prolongs the useful life of cable, and convenient the installation, improves the security reliability of cable work.
Description of drawings
The structural representation of the bus cable of Fig. 1 building intelligent control system provided by the invention
Fig. 2 bus cable manufacturing process flow provided by the invention
Among the figure: the 1-conductor; 2-high density polyethylene (HDPE) insulating barrier; The 3-band; The 4-aluminium-plastic tape; 5-weaves copper wire; 6-polyvinyl chloride sheath; The 7-external sheath layer
Embodiment
According to shown in Figure 1, the invention provides the bus cable that is used for building intelligent control system and form by conductor 1, high density polyethylene (HDPE) insulating barrier 2, band 3, aluminium-plastic tape 4, braiding copper wire 5, polymer sheath 6 and nylon oversheath 7 successively from inside to outside.Be characterised in that:
(1) conductor diameter is 0.8mm; Insulating barrier adopts the high density polyethylene (HDPE) of thickness 0.6mm, control precision 0.003mm; The chromatogram of insulated wire cores then is made up of red, black, yellow, Bai Si kind color.
(2) cable core by red-Hei, Huang-the Bai twisted pair wire is stranded forms;
(3) shielding construction adopts single face aluminium-plastic tape and braiding copper wire to carry out the two-layer compound shielding, and count and brass wire diameter should meet correlation standard.
(4) external sheath layer can adopt polyvinyl chloride directly to be extruded in outside the two-sided composite shielding layer of being made up of aluminium-plastic tape and braiding copper wire, or extrudes the nylon external sheath layer on the polyvinyl chloride sheath.
Claims (10)
1. a bus cable that is used for building intelligent control system is characterized in that described bus cable adopts quadrature arrangement, and cable core is that twisted pair wire is stranded to form by two pairs of lines of red-Hei, Huang-Bai; Cable is made up of conductor, high density polyethylene (HDPE) insulating barrier ethene sheath and external sheath layer from inside to outside successively.
2. by the described bus cable that is used for building intelligent control system of claim 1, the diameter that it is characterized in that every core conductor is 0.8mm.
, by the described bus cable that is used for building intelligent control system of claim 1, it is characterized in that the high density polyethylene (HDPE) thickness of insulating layer is 0.6mm.
4. by claim 1 or the 3 described bus cables that are used for building intelligent control system, it is characterized in that high density polyethylene (HDPE) insulating barrier diameter precision is controlled at ± 0.003mm.
5. by the described bus cable that is used for building intelligent control system of claim 1, it is characterized in that cable core adopts fine pith and high-precision stranded technology, pitch accuracy is controlled at ± 0.5mm in.
6. by the described bus cable that is used for building intelligent control system of claim 1, it is characterized in that in described two pairs of lines a line to both being used for transmission system direct current 24V power supply, transmitting digital signals again, another line is to making extra pair.
7. by the described bus cable that is used for building intelligent control system of claim 1, it is characterized in that described bus cable is to adopt single face aluminium type composite band and the two-way composite shielding of braiding copper wire, and vertical bag and braiding series connection.
8. by the described application that is used for the bus cable of building intelligent control system of claim 1, it is characterized in that described bus cable is used for the transmission of building break-make, control, monitoring and signal message.
9. by the described application that is used for the bus cable of building intelligent control system of claim 8, it is characterized in that the message transmission rate of described bus cable is 〉=960KB/S.
10. by the described application that is used for the bus cable of building intelligent control system of claim 8, it is characterized in that the electric pressure of deciding of described bus cable is 0.6/1kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100434956A CN101145410A (en) | 2007-07-05 | 2007-07-05 | Bus cable for building intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100434956A CN101145410A (en) | 2007-07-05 | 2007-07-05 | Bus cable for building intelligent control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101145410A true CN101145410A (en) | 2008-03-19 |
Family
ID=39207854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100434956A Pending CN101145410A (en) | 2007-07-05 | 2007-07-05 | Bus cable for building intelligent control system |
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|---|---|
| CN (1) | CN101145410A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184761A (en) * | 2010-05-28 | 2011-09-14 | 湖南金杯电缆有限公司 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
| CN102723140A (en) * | 2012-06-14 | 2012-10-10 | 江苏通鼎光电股份有限公司 | Photoelectric composite cable for radar |
| CN108074665A (en) * | 2016-11-17 | 2018-05-25 | 深圳讯道实业股份有限公司 | A kind of elevator trailing vision cable |
| WO2018121163A1 (en) * | 2016-12-26 | 2018-07-05 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
-
2007
- 2007-07-05 CN CNA2007100434956A patent/CN101145410A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184761A (en) * | 2010-05-28 | 2011-09-14 | 湖南金杯电缆有限公司 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
| CN102184761B (en) * | 2010-05-28 | 2014-07-09 | 湖南金杯电缆有限公司 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
| CN102723140A (en) * | 2012-06-14 | 2012-10-10 | 江苏通鼎光电股份有限公司 | Photoelectric composite cable for radar |
| CN108074665A (en) * | 2016-11-17 | 2018-05-25 | 深圳讯道实业股份有限公司 | A kind of elevator trailing vision cable |
| WO2018121163A1 (en) * | 2016-12-26 | 2018-07-05 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
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Open date: 20080319 |