CN102820541A - Encoding leakage cable based on leakage cable technology - Google Patents
Encoding leakage cable based on leakage cable technology Download PDFInfo
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- CN102820541A CN102820541A CN2012101904042A CN201210190404A CN102820541A CN 102820541 A CN102820541 A CN 102820541A CN 2012101904042 A CN2012101904042 A CN 2012101904042A CN 201210190404 A CN201210190404 A CN 201210190404A CN 102820541 A CN102820541 A CN 102820541A
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Abstract
The invention relates to an encoding leakage cable based on a leakage cable technology, which is formed by a group of radio frequency sub-cables with shielding layers provided with leakage windows, wherein each sub-cable is divided into a plurality of parts with equal step lengths along the length direction of the sub-cable; the step length of the first sub-cable is a standard step length U, and the step lengths of the residual sub-cables are respectively two times the step lengts of the front sub-cables; the shielding layer of each sub-cable in the standard step length is provided with the leakage window or keeps shielding; the two states are respectively marked as a leakage state code 1 or 0 corresponding to the standard step length; and a position code of the standard step length is combined by the leakage state codes of the sub-cables in a vertical standard step length in sequence. According to the encoding leakage cable based on the leakage cable technology disclosed by the invention, different radio frequency signals can be received and transmitted by each sub-cable, and the leakage state combination of each sub-cable is detected on each standard step length to define the position code of each standard step, so that the positioning is realized, and meanwhile, the communication among window leakage data also can be realized.
Description
Technical field
The present invention relates to a kind of communication cable, be specifically related to a kind of leakage current communication cable.
Background technology
At present, existing traditional leaky cable is on the coaxial radio frequency cable screen, to offer hole slot or slit, even distribution hole slot or slit on the root cable, and radiofrequency signal can realize the inside and outside communication of interior signal of cable and external signal through hole slot or slit.The tradition leaky cable is employed in distributed hole slot or the slit offered on the screen of a coaxial radio frequency cable, and it only can be used for the radio-frequency communication of sewing of voice or data-signal, can not with other relevant device adapteds as the coding leaky cable of confirming positions.
Summary of the invention
To the problem that exists in the above-mentioned prior art, the objective of the invention is to propose a kind of coding leaky cable based on the leaky cable technology, itself and relevant device adapted can be used as the coding leaky cable of confirming the position.
The technical scheme that the present invention is taked for its order of realization: a kind of coding leaky cable based on the leaky cable technology, to sew the sub-cable of radio frequency of window by a set of shield layer band and form, every root cable is divided into the step-length of some equalizations along its length direction; Wherein the step-length of the first root cable is benchmark step-length U; The second root cable step-length is that 2 times of first step-length are 2U, comprises two benchmark step-lengths, and the 3rd root cable step-length is that 2 times of second step-length are 4U; Comprise four benchmark step-lengths, the rest may be inferred; In each said benchmark step-length, open on the sub-cable screen and sew window, or keep shielding; What this two states was designated as this benchmark step-length sews conditional code 1 or 0; For the coding leaky cable that one group of said sub-cable is formed, each the sub-cable in its vertical each benchmark step-length is sewed conditional code and is combined into this benchmark step-length position code in order.
Said benchmark Bu Chang ≧ 0.1M, the said length of window≤benchmark step-length of sewing.
The said window of sewing is sewed outside the window for corresponding benchmark step-length position is offered on every radio frequency cable screen slotted eye or slit, and cable is a masked state.
Can be known by technique scheme: the coding leaky cable can be through receiving and dispatching the different radio frequency signal at every root cable; Radiofrequency signal is sewed window place leakage current communication sub-cable; Each every root cable in benchmark step-length position is sewed the combination of state; Can confirm the position encoded of each benchmark step-length, realize the coding location.Simultaneously, also can realize the leakage current communication of voice-and-data through sewing window.
Description of drawings
Fig. 1 is the structural representation of coding leaky cable.
Embodiment
The present invention is made up of the sub-cable of the radio frequency cable that one group of band screen is sewed.As shown in Figure 1; The coding leaky cable is formed (sub-cable can be the N root) by three root cables in this example, and the step-length of the first root cable L1 of coding leaky cable is as benchmark step-length U, and the second root cable L2 step-length is that 2 times of first step-length are 2U; Comprise two benchmark step-lengths; The 3rd root cable L3 step-length is that 2 times of second step-length are 4U, comprises four benchmark step-lengths, and the rest may be inferred; In each benchmark step-length, open and sew window 11, or keep shielding promptly 12, as shown in Figure 1, this locates hollow expression to sew conditional code 1 for sewing window 11, being labeled as; This locates solid expression to sew conditional code 0 for shielding 12, being designated as.Every root cable step-length is followed successively by 2 multiples of a root cable.In cycle, it is identical that each the benchmark step-length that is comprised is sewed conditional code in the step-length of same sub-cable; In the step-length cycle of every adjacent two sub-cables, sew conditional code and be respectively 1 and 0 different.Step-length like sub-cable L2 is 2U, comprises two benchmark step-lengths and sews conditional code, and in first step-length, comprising two, to sew conditional code be in 1,1, the second step-length, and two are sewed conditional code is 0,0.Along eight benchmark step-length U1-U8 of this coding leaky cable, corresponding every root cable is sewed conditional code position encoded by synthetic this position of der group from top to bottom on the benchmark step-length of cable lengthwise position.Like the position encoded of U1 position is 111, and the position encoded of U5 position is 110.
Each benchmark step-length position of coding the leakage point cable, all have one corresponding position encoded, the position code capacity of every coding leaky cable depends on sub-cable quantity, establishing sub-cable quantity is N, the capacity of every coding leaky cable is 2
nIndividual not repeatable position sign indicating number.
In a word; The present invention sews the coding leaky cable of the sub-cable composition of radio frequency of window with a set of shield layer band; Can realize on the cable each benchmark step-length all have one corresponding with it position encoded; Can realize that also each sews the leakage current communication of window, the coding leaky cable can be realized position encoded location and two kinds of functions of leakage current communication simultaneously.
The length of benchmark step-length is decided according to the actual requirements, and benchmark Bu Chang ≧ 0.1M also can be tens of rice or hundreds of rice usually, sews length of window≤benchmark step-length.Sew slotted eye or slit that window is offered for corresponding benchmark step-length position on the screen of the sub-cable of every radio frequency cable, sewing window is shielding with the exterior portions.
Claims (3)
1. coding leaky cable based on leaky cable technology, it is characterized in that: the sub-cable of radio frequency of being sewed window by a set of shield layer band is formed, and every root cable is divided into the step-length of some equalizations along its length direction; Wherein the step-length of the first root cable is benchmark step-length U; The second root cable step-length is that 2 times of first step-length are 2U, comprises two benchmark step-lengths, and the 3rd root cable step-length is that 2 times of second step-length are 4U; Comprise four benchmark step-lengths, the rest may be inferred; Open on the sub-cable screen in each said benchmark step-length and sew window, or keep shielding; What this two states was designated as this benchmark step-length sews conditional code 1 or 0; For the coding leaky cable that one group of said sub-cable is formed, each the sub-cable in its vertical each benchmark step-length is sewed conditional code and is combined into this benchmark step-length position code in order.
2. the coding leaky cable based on the leaky cable technology according to claim 1 is characterized in that: said benchmark Bu Chang ≧ 0.1M.
3. the coding leaky cable based on the leaky cable technology according to claim 1; It is characterized in that: the said window of sewing is corresponding benchmark step-length position is offered on every radio frequency cable screen slotted eye or slit, the said length of window≤benchmark step-length of sewing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101904042A CN102820541A (en) | 2012-06-11 | 2012-06-11 | Encoding leakage cable based on leakage cable technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101904042A CN102820541A (en) | 2012-06-11 | 2012-06-11 | Encoding leakage cable based on leakage cable technology |
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| CN102820541A true CN102820541A (en) | 2012-12-12 |
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| CN2012101904042A Pending CN102820541A (en) | 2012-06-11 | 2012-06-11 | Encoding leakage cable based on leakage cable technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182021A1 (en) * | 2012-06-05 | 2013-12-12 | 童迎伟 | Displacement sensing locating system based on radio-frequency identification technology and locating method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431908A (en) * | 1990-05-29 | 1992-02-04 | Ocean Cable Co Ltd | Open type coaxial cable and mobile object control system |
| CN101441908A (en) * | 2008-12-31 | 2009-05-27 | 北京交通大学 | Leakage coaxial with encode self-locating function and method for manufacturing the same |
| CN102721430A (en) * | 2012-06-05 | 2012-10-10 | 童建伟 | Displacement sensing positioning system on basis of radio frequency identification technology and positioning method |
| CN202759021U (en) * | 2012-06-11 | 2013-02-27 | 童建伟 | Coded leaky cable based on leaky cable technology |
-
2012
- 2012-06-11 CN CN2012101904042A patent/CN102820541A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431908A (en) * | 1990-05-29 | 1992-02-04 | Ocean Cable Co Ltd | Open type coaxial cable and mobile object control system |
| CN101441908A (en) * | 2008-12-31 | 2009-05-27 | 北京交通大学 | Leakage coaxial with encode self-locating function and method for manufacturing the same |
| CN102721430A (en) * | 2012-06-05 | 2012-10-10 | 童建伟 | Displacement sensing positioning system on basis of radio frequency identification technology and positioning method |
| CN202759021U (en) * | 2012-06-11 | 2013-02-27 | 童建伟 | Coded leaky cable based on leaky cable technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182021A1 (en) * | 2012-06-05 | 2013-12-12 | 童迎伟 | Displacement sensing locating system based on radio-frequency identification technology and locating method therefor |
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Application publication date: 20121212 |