CN104167609A - Method and device for eliminating radiation type leaky cable same frequency interference phenomenon - Google Patents
Method and device for eliminating radiation type leaky cable same frequency interference phenomenon Download PDFInfo
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- CN104167609A CN104167609A CN201410407358.6A CN201410407358A CN104167609A CN 104167609 A CN104167609 A CN 104167609A CN 201410407358 A CN201410407358 A CN 201410407358A CN 104167609 A CN104167609 A CN 104167609A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005855 radiation Effects 0.000 title abstract 3
- 239000007769 metal material Substances 0.000 claims abstract description 16
- 230000008030 elimination Effects 0.000 claims description 8
- 238000003379 elimination reaction Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
The invention relates to the technical field of communication, in particular to a method and device for eliminating a radiation type leaky cable same frequency interference phenomenon. The device comprises two leaky cables, two matched loads and an anti-interference box or an anti-interference band. Each matched load is installed at one end of the corresponding leaky cable, the other end of each leaky cable is connected with a signal generator, signal sources of the two signal generators are input into the leaky cables with the same frequency and power, and the anti-interference box or the anti-interference band is installed outside the joint of the two matched loads and used for eliminating the same frequency interference phenomenon. According to the method and device for eliminating the radiation type leaky cable same frequency interference phenomenon, non-magnetic conductive metal materials are adopted, and reasonable design is conducted, so that a composite type anti-interference structure is formed, same frequency interference of the leaky cables is eliminated, and a reliable guarantee is provided for train communication quality and continuous operation.
Description
Technical field
What the present invention relates to is a kind of technical field of communication, is specifically related to a kind of method and the device thereof that can eliminate radial leak cable co-channel interference phenomenon.
Background technology
Radial leak cable is as realizing the important means of communicating by letter in enclosure space, a kind of particular antenna of taking for improving propagation properties.In Underground Rail Transit safe train operation, how to ensure track traffic signal of communication safety, stable transfer, it is the long-term important process of paying close attention to of industry always, in the application of former industry like product, there are some co-channel interference sections, communication signal strength significantly declines, especially when train enters or leave this section, this unfavorable situation is even more serious, transmission quality for effective improvement information, develop a kind of device that can eliminate co-channel interference phenomenon, the accident potential that elimination may exist, has become a unavoidable major issue.
Summary of the invention
The present invention seeks in order to overcome above deficiency, a kind of method and device thereof of eliminating radial leak cable co-channel interference phenomenon is provided, adopt non magnetic conductive metallic material, reasonably design, form compound anti-interference structure, eliminate the co-channel interference of leaky cable, for providing train communication quality to run without interruption, provide reliable guarantee.
For realizing above technical purpose, the present invention eliminates the method for radial leak cable co-channel interference phenomenon and the technical scheme of device is:
A kind of device of eliminating radial leak cable co-channel interference phenomenon, comprise two leaky cables, two matched loads and anti-interference box or anti-interference band, two matched loads are arranged on respectively one end of two leaky cables, two leaky cable other ends are connected with signal generator respectively, two signal generator signal sources are with identical frequency and power input leakage cable, it is outside that anti-interference box or anti-interference band are arranged on two matched load junctions, for eliminating co-channel interference phenomenon.
Described anti-interference box adopts non magnetic conductive metallic material to make.
Described anti-interference band adopts non magnetic conductive metallic material to make.
Described non magnetic conductive metallic material adopts copper or aluminium.
A kind of method of eliminating radial leak cable co-channel interference phenomenon is taked following technical scheme: adopt tunnel leakage cable paving mode to lay the radial leak cable of two identical grooveds, every leaky cable one end, connect signal generator (signal source), this signal generator input is with frequency information source, select identical frequency and power input cable, the other end of two radial leak cables connects respectively identical matched load, make two identical matched loads at a distance of 1cm-50cm, preferred 1cm-10cm, choose anti-interference box or anti-interference band, be arranged on two matched load junctions outside, can eliminate co-channel interference phenomenon.
Described matched load is 50 ohm.
Described matched load adopts commercially available radio-frequency (RF) match load, and for example Agilent company produces 50 ohm of terminate loads of radio frequency.
The common tunnel leakage cable paving mode of a kind of employing, two identical leaky cables, two ends input is with frequency information source, select identical frequency and power input cable, leaky cable end connects identical matched load, by anti-interference box or the complete wrapped junction of anti-interference band, form a compound anti-interference structure.
Further improvement of the present invention is: described anti-interference box also can bring with aluminium strip, copper strips or the nonmagnetic metal conducting electricity very well alternative, for the product of different shielding requirements grades, can use aluminium strip or the copper strips of different-thickness.
Further improvement of the present invention is: portable small and exquisite in subway work, and unobstructed, without prejudice to the normal operation of train.
Further improvement of the present invention is: can suitably adjust anti-interference box or anti-interference band parcel size according to different condition of construction, strong adaptability, only need be completely coated by leaky cable joint and matched load.
The present invention compared with prior art has the following advantages: by adopting anti-interference box or anti-interference band parcel leaky cable junction, form compound anti-interference structure, can well eliminate co-channel interference phenomenon, compare additive method, as it is more obvious to add concavo-convex graphite cake blocking signal effect, simultaneously because anti-interference box or anti-interference band are fixed on leaky cable, general and leaky cable size is similar, take up room little, construction is simple, low etc. on train impact.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of one embodiment of the invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with example and accompanying drawing, the invention will be further described, and this embodiment is only for explaining the present invention, but claim of the present invention is not limited in any way.
As Fig. 1 shows a kind of anti-interference box of radial leak cable co-channel interference phenomenon or embodiment of anti-interference band eliminated of the present invention.
With reference to accompanying drawing 1, a kind of device of eliminating radial leak cable co-channel interference phenomenon comprises two leaky cables 3, two matched loads 2 and anti-interference box 1 or anti-interference bands, two matched loads 2 are arranged on respectively one end of two leaky cables 3, two leaky cable 3 other ends are connected with signal generator (signal source) 4 respectively, two signal generator 4 signal sources are with identical frequency and power input leakage cable 3, it is outside that anti-interference box 1 or anti-interference band are arranged on two matched loads, 2 junctions, for eliminating co-channel interference phenomenon.
Described anti-interference box 1 adopts non magnetic conductive metallic material to make.
Described anti-interference band adopts non magnetic conductive metallic material to make.
Described non magnetic conductive metallic material adopts copper or aluminium.
A kind of method of eliminating radial leak cable co-channel interference phenomenon is taked following technical scheme: adopt tunnel leakage cable paving mode to lay the radial leak cable 3 of two identical grooveds, in every leaky cable 3 one end, connect signal generator (signal source) 4, these signal generator 4 inputs are with frequency information source, select identical frequency and power input cable, the other end of two radial leak cables 3 connects respectively identical matched load 2, make two identical matched loads 2 at a distance of 1cm-50cm, preferred 1cm-10cm, choose anti-interference box or anti-interference band 1, be arranged on two matched loads, 2 junctions outside, can eliminate co-channel interference phenomenon.
Described matched load 2 is 50 ohm.
Anti-interference box 1 described in the method for described elimination radial leak cable co-channel interference phenomenon adopts non magnetic conductive metallic material to make.
Anti-interference band described in the method for described elimination radial leak cable co-channel interference phenomenon adopts non magnetic conductive metallic material to make.
Described matched load 2 adopts commercially available radio-frequency (RF) match load, and for example Agilent company produces 50 ohm of terminate loads of radio frequency.
Method and device thereof that the present invention eliminates radial leak cable co-channel interference phenomenon are to affect radial leak cable communication quality for fear of co-channel interference phenomenon, adopt non magnetic conductive metallic material, reasonably combine, form compound anti-interference structure, guaranteed that this cable has high interference free performance, for train safe being provided high density running without interruption fast, on schedule, provide reliable guarantee, in highfield and strong magnetic field circumstance, ensure excellent transmission performance, ensure reliable, the stable transfer of Train Control communication and signal message.Thereby improve train safe operation in the track traffic electromagnetic interference environment of various complexity.
Claims (9)
1. a device of eliminating radial leak cable co-channel interference phenomenon, it is characterized in that: comprise two leaky cables, two matched loads and anti-interference box or anti-interference band, two matched loads are arranged on respectively one end of two leaky cables, two leaky cable other ends are connected with signal generator respectively, two signal generator signal sources are with identical frequency and power input leakage cable, it is outside that anti-interference box or anti-interference band are arranged on two matched load junctions, for eliminating co-channel interference phenomenon.
2. the device of elimination radial leak cable co-channel interference phenomenon according to claim 1, is characterized in that: described anti-interference box adopts non magnetic conductive metallic material to make.
3. the device of eliminating according to claim 1 radial leak cable co-channel interference phenomenon, is characterized in that: described anti-interference band adopts non magnetic conductive metallic material to make.
4. according to the device of the elimination radial leak cable co-channel interference phenomenon described in claim 2 or 3, it is characterized in that: described non magnetic conductive metallic material adopts copper or aluminium.
5. a method of eliminating radial leak cable co-channel interference phenomenon, it is characterized in that: adopt tunnel leakage cable paving mode to lay the radial leak cable of two identical grooveds, every leaky cable one end, connect signal generator, this signal generator input is with frequency information source, select identical frequency and power input cable, the other end of two radial leak cables connects respectively identical matched load, make two identical matched loads at a distance of 1cm-50cm, choose anti-interference box or anti-interference band, be arranged on two matched load junctions outside, can eliminate co-channel interference phenomenon.
6. the method for elimination radial leak cable co-channel interference phenomenon according to claim 5, is characterized in that: described matched load is 50 ohm.
7. the method for elimination radial leak cable co-channel interference phenomenon according to claim 5, is characterized in that: two described identical matched loads are at a distance of being 1cm-10cm.
8. the method for elimination radial leak cable co-channel interference phenomenon according to claim 5, is characterized in that: described anti-interference box adopts non magnetic conductive metallic material to make.
9. the method for eliminating according to claim 5 radial leak cable co-channel interference phenomenon, is characterized in that: described anti-interference band adopts non magnetic conductive metallic material to make.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407358.6A CN104167609B (en) | 2014-08-19 | 2014-08-19 | Method and device for eliminating radiation type leaky cable same frequency interference phenomenon |
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| CN201410407358.6A CN104167609B (en) | 2014-08-19 | 2014-08-19 | Method and device for eliminating radiation type leaky cable same frequency interference phenomenon |
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| CN104167609A true CN104167609A (en) | 2014-11-26 |
| CN104167609B CN104167609B (en) | 2017-05-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864381A (en) * | 2020-07-29 | 2020-10-30 | 简水生 | Device for eliminating same-frequency mutual interference phenomenon of radiation type leaky cable and using method thereof |
| CN115884204A (en) * | 2022-12-05 | 2023-03-31 | 中国铁塔股份有限公司 | Signal transmission method, device, equipment and readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572906A (en) * | 2012-01-19 | 2012-07-11 | 北京达因瑞康电气设备有限公司 | Leakage communication system with fault location and method |
| CN202712413U (en) * | 2012-06-25 | 2013-01-30 | 南京长江电子信息产业集团有限公司 | High isolation type waveguide slot transceiver antenna |
| CN204045738U (en) * | 2014-08-19 | 2014-12-24 | 中天日立射频电缆有限公司 | Eliminate the device of radial leak cable co-channel interference phenomenon |
-
2014
- 2014-08-19 CN CN201410407358.6A patent/CN104167609B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572906A (en) * | 2012-01-19 | 2012-07-11 | 北京达因瑞康电气设备有限公司 | Leakage communication system with fault location and method |
| CN202712413U (en) * | 2012-06-25 | 2013-01-30 | 南京长江电子信息产业集团有限公司 | High isolation type waveguide slot transceiver antenna |
| CN204045738U (en) * | 2014-08-19 | 2014-12-24 | 中天日立射频电缆有限公司 | Eliminate the device of radial leak cable co-channel interference phenomenon |
Non-Patent Citations (1)
| Title |
|---|
| 蓝燕锐等: "移动通信用漏泄射频同轴电缆", 《通信光缆电缆》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864381A (en) * | 2020-07-29 | 2020-10-30 | 简水生 | Device for eliminating same-frequency mutual interference phenomenon of radiation type leaky cable and using method thereof |
| CN111864381B (en) * | 2020-07-29 | 2021-11-23 | 简水生 | Device for eliminating same-frequency mutual interference phenomenon of radiation type leaky cable and using method thereof |
| CN115884204A (en) * | 2022-12-05 | 2023-03-31 | 中国铁塔股份有限公司 | Signal transmission method, device, equipment and readable storage medium |
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| CN104167609B (en) | 2017-05-03 |
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Address after: 226010 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Patentee after: Zhongtian RF cable Co., Ltd. Address before: 226010 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Patentee before: Zhongtian Rili Rf Cable Co., Ltd. |
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Inventor after: Sun Dong Inventor after: Jian Shuisheng Inventor after: Lan Yanrui Inventor after: Zhao Ruijing Inventor after: Huang Debing Inventor after: Wang Bin Inventor after: Mao Lirong Inventor after: Liu Shitao Inventor before: Sun Dong Inventor before: Lan Yanrui Inventor before: Zhao Ruijing Inventor before: Huang Debing Inventor before: Wang Bin Inventor before: Mao Lirong Inventor before: Liu Shitao |
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Effective date of registration: 20200206 Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Co-patentee after: Jian Shuisheng Patentee after: Zhongtian Radio Frequency Cable Co., Ltd. Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee before: Zhongtian Radio Frequency Cable Co., Ltd. |
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Effective date of registration: 20220331 Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee after: ZHONGTIAN RADIO FREQUENCY CABLE Co.,Ltd. Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee before: ZHONGTIAN RADIO FREQUENCY CABLE Co.,Ltd. Patentee before: Aquatic Jane |