CN104867588A - Data cable composite optical fiber hybrid cable used for track traffic system - Google Patents
Data cable composite optical fiber hybrid cable used for track traffic system Download PDFInfo
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- CN104867588A CN104867588A CN201510239160.6A CN201510239160A CN104867588A CN 104867588 A CN104867588 A CN 104867588A CN 201510239160 A CN201510239160 A CN 201510239160A CN 104867588 A CN104867588 A CN 104867588A
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Abstract
The invention discloses a data cable composite optical fiber hybrid cable used for a track traffic system. The data cable composite optical fiber hybrid cable comprise an outer sheath, and one set of cable unit and one set of data cable unit which are covered in the internal part of the outer sheath. The cable unit comprises a cable unit inner sheath and three cable wires from outside to inside, wherein the three cable wires are arranged in the cable unit inner sheath. The data cable unit comprises at least one data cable protecting layer and a data cable core arranged in the data cable protecting layer. The hybrid cable provided by the invention can be used for data cable communication and also for supplying power to communication equipment, the function characteristic of one-cable multi-purpose is realized, and in a wiring construction and installation process, only one hybrid cable is needed for supplying power to far-end equipment and carrying out signal communication, so that a large amount of manpower and material cost is saved, and the economic benefit is relatively high.
Description
Technical field
The invention belongs to Rail Transit System field, relate to the data in a kind of Rail Transit System and electrical transmission element, be specifically related to a kind of data cable composite fiber mixing cable for Rail Transit System.
Background technology
Track traffic has route; lay trapped orbit; be equipped with the public transport design of haulage vehicle and service facility etc., it has, and freight volume be large, speed is fast, safety, on schedule, the advantage such as environmental protection and energy savings, be the modern effective means solving urban transport problems.With track traffic collaboration be huge track traffic data electric power system, realize track traffic running automation and intellectuality.In the electric power system of track traffic data, because the data message wanting real-time Transmission a large amount of, need a large amount of data wire of laying and electric wire to realize the transmission of electric energy and information.
Traditional delivery of electrical energy carrier is single cable, and information transmission carrier is data cable or optical cable etc., and in huge Rail Transit System, the data cable of communication and the cable of powering for communication equipment separate.When wiring, need to be separately cable and data cable wiring, not only waste time and energy, need more resource and manpower, relatively economical cost is higher.
Therefore, in Rail Transit System, need one can either usage data cable communication, the mixing cable also can powered for communication equipment.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of for the data cable composite fiber mixing cable that can transmit data and electricity in Rail Transit System simultaneously.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of data cable composite fiber mixing cable for Rail Transit System, it one group of cable unit and one group of data cable unit of comprising oversheath and being wrapped in described oversheath inside, described cable unit comprises from outside to inside: cable unit inner sheath and three cables being arranged on described cable unit inner sheath inside; Described data cable unit comprises: at least one layer data cable sheath and the data cable cable core being arranged on described data cable sheath inside.
Preferably, three described cables at the arrangement mode of described cable unit inner sheath inside are: the center of circle of three described cables is arranged in equilateral triangle, the fill gaps air between described cable unit inner sheath and three described cables.
Preferably, described cable comprises copper conductor and is wrapped in the insulating layer of conductor of described copper conductor outside.
Preferably, described data cable cable core is copper cable core.
Preferably, described data cable sheath is PVC sheath, and described PVC sheath has two-layer, has air buffer, fill air between described PVC sheath and described copper cable core between two-layer described PVC sheath.
Preferably, described oversheath is outer protective polyethylene cover, described oversheath and the fill gaps air between described cable unit and described data cable unit.
Preferably, on the same line, through the described outer protective polyethylene cover described cable unit of parcel and data cable unit composition mixing cable, described mixing cable profile be ellipse in the center of circle of described cable unit and described data cable unit.
The invention has the beneficial effects as follows:
One, mixing cable of the present invention can either as data cable communications, also can power for communication equipment, there is the functional characteristics of multi-purpose, in the process of constructing wiring and installation, only need one to mix cable namely to can be remote equipment and carry out power supply and communicate with signal, save a large amount of manpower and resources costs, there is higher economic benefit.
Two, mixing cable of the present invention can be widely used in each system, and especially complicated in Rail Transit System data transmission system, it can dispose feature flexibly by adaptive system.
Three, mixing cable structure of the present invention simply, very easily manufactures, and wherein cable unit and data cable unit take separate form, greatly reduces the interference between user on different passage.
Four, mixing cable of the present invention adopts copper as conductor, and its electrical property is excellent, and loss is less.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is cross section structure schematic diagram of the present invention.
Wherein, 1-oversheath (outer protective polyethylene cover), 11-air layer, 2-cable unit, 21-cable unit inner sheath, 22-insulating layer of conductor, 23-copper conductor, 3-data cable unit, 31-data cable cable core, 32-data cable sheath (PVC sheath), 33-air buffer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in fig. 1, disclose a kind of data cable composite fiber mixing cable for Rail Transit System in the present embodiment, it comprises from outside to inside successively: oversheath 1 and the one group of cable unit 2 and the one group of data cable unit 3 that are wrapped in above-mentioned oversheath inside.
In the present embodiment, above-mentioned oversheath 1 is outer protective polyethylene cover, outer protective polyethylene cover has the premium properties of lubrication, wear-resisting, uvioresistant, non-oxidizability, above-mentioned oversheath 1 and the fill gaps air between above-mentioned cable unit 2 and above-mentioned data cable unit 3, namely forms air layer 11.
Above-mentioned cable unit 2 and the arrangement mode of data cable unit 3 in above-mentioned outer protective polyethylene cover 1 are: the center of circle of above-mentioned cable unit 2 and data cable unit 3 on the same line, and they are through above-mentioned outer protective polyethylene cover 1 parcel composition mixing cable, and above-mentioned mixing cable profile is oval.
Concrete, above-mentioned cable unit 2 comprises from outside to inside: cable unit inner sheath 21 and three cables being arranged on above-mentioned cable unit inner sheath 21 inside; Above-mentioned cable comprises copper conductor 23 and is wrapped in the insulating layer of conductor 22 of above-mentioned copper conductor 23 outside.
Three above-mentioned cables at the arrangement mode of above-mentioned cable unit inner sheath 21 inside are: the center of circle of three above-mentioned cables is arranged in equilateral triangle, the fill gaps air between above-mentioned cable unit inner sheath 21 and three above-mentioned cables.
Above-mentioned data cable unit 3 comprises: at least one layer data cable sheath 32 and be arranged on above-mentioned data cable and protect, the data cable cable core 31 of 32 inside.In the present embodiment, above-mentioned data cable cable core 31 is copper cable core.In the present embodiment, above-mentioned data cable cable core 31 and copper conductor 23 are copper material, and as conductor, it has excellent conductive performance to copper, and efficiency of transmission is high, and loss is little.
In the present embodiment, above-mentioned data cable sheath is PVC sheath, and above-mentioned PVC sheath has two-layer, has air buffer 33 between two-layer above-mentioned PVC sheath, is also fill air between above-mentioned PVC sheath and above-mentioned copper cable core.
In the present embodiment, above-mentioned cable unit 25.99mm, the diameter of data cable unit 3 is 6.2mm, and the diameter of above-mentioned data cable cable core 31 is 6.0mm, the thickness of above-mentioned air buffer 33 is 0.2mm, and the major axis of the ellipse of composition mixing cable is 13.7mm, minor axis is 7.58mm.
Mixing cable of the present invention can either as data cable communication, also can power for communication equipment, there is the functional characteristics of multi-purpose, in the process of constructing wiring and installation, only need one to mix cable namely to can be remote equipment and carry out power supply and communicate with signal, save a large amount of manpower and resources costs, there is higher economic benefit.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. the data cable composite fiber mixing cable for Rail Transit System, it one group of cable unit and one group of data cable unit of comprising oversheath and being wrapped in described oversheath inside, it is characterized in that, described cable unit comprises from outside to inside: cable unit inner sheath and three cables being arranged on described cable unit inner sheath inside; Described data cable unit comprises: at least one layer data cable sheath and the data cable cable core being arranged on described data cable sheath inside.
2. a kind of data cable composite fiber mixing cable for Rail Transit System according to claim 1, it is characterized in that, three described cables at the arrangement mode of described cable unit inner sheath inside are: the center of circle of three described cables is arranged in equilateral triangle, the fill gaps air between described cable unit inner sheath and three described cables.
3. a kind of data cable composite fiber mixing cable for Rail Transit System according to claim 2, is characterized in that, described cable comprises copper conductor and is wrapped in the insulating layer of conductor of described copper conductor outside.
4. a kind of data cable composite fiber mixing cable for Rail Transit System according to claim 1, it is characterized in that, described data cable cable core is copper cable core.
5. a kind of data cable composite fiber mixing cable for Rail Transit System according to claim 4, it is characterized in that, described data cable sheath is PVC sheath, described PVC sheath has two-layer, there is air buffer between two-layer described PVC sheath, between described PVC sheath and described copper cable core, fill air.
6. a kind of data cable composite fiber mixing cable for Rail Transit System according to claim 1, it is characterized in that, described oversheath is outer protective polyethylene cover, described oversheath and the fill gaps air between described cable unit and described data cable unit.
7. a kind of data cable composite fiber mixing cable for Rail Transit System according to claim 6, it is characterized in that, the center of circle of described cable unit and described data cable unit on the same line, through the described outer protective polyethylene cover described cable unit of parcel and data cable unit composition mixing cable, described mixing cable profile is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239160.6A CN104867588A (en) | 2015-05-12 | 2015-05-12 | Data cable composite optical fiber hybrid cable used for track traffic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239160.6A CN104867588A (en) | 2015-05-12 | 2015-05-12 | Data cable composite optical fiber hybrid cable used for track traffic system |
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| Publication Number | Publication Date |
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| CN104867588A true CN104867588A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510239160.6A Pending CN104867588A (en) | 2015-05-12 | 2015-05-12 | Data cable composite optical fiber hybrid cable used for track traffic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4276508A1 (en) | 2022-05-09 | 2023-11-15 | Prysmian S.p.A. | Hybrid drop cable |
-
2015
- 2015-05-12 CN CN201510239160.6A patent/CN104867588A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4276508A1 (en) | 2022-05-09 | 2023-11-15 | Prysmian S.p.A. | Hybrid drop cable |
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Application publication date: 20150826 |