CN101164193B - Radiation-emitting cable and a radiation-emitting element comprised therein - Google Patents
Radiation-emitting cable and a radiation-emitting element comprised therein Download PDFInfo
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- CN101164193B CN101164193B CN2006800138532A CN200680013853A CN101164193B CN 101164193 B CN101164193 B CN 101164193B CN 2006800138532 A CN2006800138532 A CN 2006800138532A CN 200680013853 A CN200680013853 A CN 200680013853A CN 101164193 B CN101164193 B CN 101164193B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/203—Leaky coaxial lines
Abstract
The inventive radiation-emitting cable comprises a coaxial cable segment (1) and at least two radiation-emitting elements (5). Said radiation-emitting element is embodied in the form of an insert. The external conductor (4), dielectric layer (3) and the internal conductor of the coaxial cable segment (1) are provided with an opening which is embodied therein and used for tapping electromagnetic energy by means of said insert. The insert is made from an insulated wire segment whose one end is placed in the opening and the other end is arranged outside of the external conductor (4) of the coaxial cable segment (1) in such a way the electromagnetic energy is irradiated into environment .The electromagnetic energy tapping and irradiating device is embodied in the form of said radiation-emitting element (5).
Description
Technical field
The present invention relates to a kind of wireless device, can be used as the radiant element in the antenna system, perhaps be used as the spaced antenna feed line system of the various types of radio communications of wireless access.
Background technology
Various types of radiating coaxial cable known in the art combines radio transmission line and long antenna characteristics.In these devices, tap (tapping) and radiation function are carried out by opening (slot) or opening in groups, and these openings are formed in the coaxial line outer conductor partly (WO, A, 9917401), (RU, A, 2231180).
Radiating cable is used in the various tunnels, tunnel on highway and railway, in the underground structure, the place of the behind of the large-sized multiple layer building that is made of armored concrete of the under ground portion of parking lot, heavy construction or even be arranged in for example, they are intended to be used for eliminate " dead band " or radio communication shadow region.
Radiating cable the most cheap and that simplify most has equally distributed radiation opening.For example, these openings are set at radio system cable RCF 78-50, RLF78-50, RLKW-78-50 series or cable RI 17-33, RI50-24-31, the RI 50-33-31 that is produced by Russia, etc.
The electromagnetic energy that a shortcoming of such radiating cable is radiation is inhomogeneous.Because loss in cable, be positioned at much higher times of the emittance level of emittance level ratio cable end of power supply one side of cable.Like this, have 500 meters long, diameter 7/8 for one " radiating cable, and the loss that has when 900MHz is 4.1dB/100 rice, in the difference of the top of cable and terminal radiation level greater than 20dB, just 100 times.The use of this cable causes consuming excessively and in the loss of the terminal energy of cable, therefore, cause communication zone to reduce at the electromagnetic energy at cable top.
Known radiating cable has the radiation opening (US, A, 5276413) of uneven distribution along cable.
This cable is made by many companies, comprises radio system, has generic name " vario ".Referring to, for example, RLV 114-50.WDCS catalogue, version 1,06.02.050, KB17/00197-01, p.42.
The technical solution of above-mentioned patent (US, A, 5276413) be top from radiating cable to end, use the aperture position density of regular variation.When the system loss increase along cable reached the limit value of a setting, opening density was doubled regularly, surpassed above-mentioned limit value, and communication quality can not be guaranteed.The system loss of radiating cable is defined as: the cable propagation loss add from cable to be positioned at apart from the propagation loss of the radiation electric magnetic energy of the recipient dipole antenna of 2 meters of radiating cables and.
Can know that from the technical scheme of above-mentioned United States Patent (USP) for the system loss with 560 meters long cables, the attenuation loss that has is-3.7dB/100 rice in not having the cable of opening.For first 138 meters the radiation loss that has at the opening radiating cable of 1 meter distance manufacturing of radiating cable is that 0.35dB/100 rice and the total loss on cable are-4.05dB/100 rice.Numerical value 90dB is as the limit value of system loss.When reaching this numerical value in the place apart from 138 meters, number of openings is doubled.Radiation loss is increased to 0.7dB/100 rice, and the total losses on cable reach 4.4dB/100 rice.
When next open amount doubles, so radiation loss doubles, and this will cause each open amount that shortens to 127,110,86,60 and 38 meters and each meter at interval to be increased to 2,4,8,16 and 32 respectively.
Like this, per 1 meter open amount is doubled to 32 from 1, makes the radiating cable with 560 meters length keep necessary radiation level to keep the communication of 900MHz.
If radiating cable need have different length, the another kind distribution along cable length direction opening will be best so.
Such radiating cable can obtain on market according to fixing length, for example 600,700,800 meters etc.Difference is not only on length, but also on the distributed architecture of radiant element-opening.
The shortcoming of the technical scheme of description is in described patent (US, A, 52776413), makes complexity and the type (" vario ") that needs miscellaneous radiating cable, satisfies the various needs of radiating cable length, propagation loss, cable radiation etc.; This will cause their small-scale, and therefore production cost is very high.In addition, when cable laying, the difference of the factory length scope of the cable length of the actual needs of its laying and radiating cable has produced the irrational a large amount of wastes of cable.The variation of the distribution density of the radiation opening on the length direction of radiating cable (" vario ") only is intended to be used to guarantee constant radiation level.Simultaneously, under actual conditions, need different radiation level, for example, when laying, when platform, big and little ground etc. one type cable by the tunnel.
Therefore, the limitation of above-described technical scheme is:
-have very big length when a radiating cable, distance connects electromagnetic energy source its radiant element-opening farthest, the electromagnetic energy of radiation minimum level, and because each radiation opening has constant tap coefficient, radiation opening (opening group) is far away more from the distance of electromagnetic energy source, and this level will be low more;
The permanent character of-tap coefficient makes and can not rely on the special mode of operation of radiating cable (not having or exist the blind area) to adjust radiant power, before cable laying, make the radiation opening have certain spacing, radiating cable type as obtaining from the market in fact usually causes not having radio to accept the useless loss of the part electromagnetic energy in dead band.
Immediate is a kind of radiating cable, and it comprises: coaxial section, and this coaxial cable is made by inner wire, outer conductor that dielectric layer surrounds; At least two radiant elements, it is formed into electromagnetic energy tap and the possibility that is radiated in the surrounding space, wherein be intended to rely on the opening of insert tap electromagnetic energy to be formed in outer conductor, dielectric layer and the inner wire of coaxial section (RU, A, 2181518).
Insert in this device is manufactured into the shape of screw, and this screw is installed in the inner wire of coaxial cable by the mode that is threaded, and screw head is in the dielectric layer of coaxial cable.As the front known devices, the radiant element in this device is the opening that is formed on the outer conductor of coaxial cable.
Compare with other device, this technical scheme has following advantage:
Owing to radial insert is inserted in the inner wire of cable, the cross-sectional area of this radial insert increases the tap coefficient and reduces the standing wave ratio so insert can be used as less than the surface area of radiation opening.Such insert can compensate the irregular of outer conductor by introducing erratic opposite signal.In addition, owing to changed the path of the high-frequency current in inner wire, and make it more near the plane of radiation opening, therefore, such insert can improve gentle its uniformity of improving of radiation electric.Insert can be provided with conductive attachment, allows to adapt to minimum VSWR value.
The shortcoming of this technical scheme is:
-in very long radiating cable and the equally distributed situation of opening, those are from the some opening farthest that connects electromagnetic energy source, the level deficiency of radiation electric magnetic energy;
-before cable laying, the radiation opening is set with certain interval, cause accepting the useless loss of the part electromagnetic energy of blind area not having radio;
-lacking adaptability, because the size of radiation opening is always selected from the characteristic frequency that the developer sets, can not in outer conductor, make after the opening, reduce such size again;
An opening of-low radianting capacity causes big flux matched insert must be installed, and its manufacturing and adjustment are very complicated;
-tuning at the same time and regulate and to be used for when the device of wideband wave band operation, can not obtaining minimum and maximum possible tap coefficient;
-because when screw or conductive attachment are positioned at the inside of outer conductor of coaxial cable, in order to adjust the purpose of insertion position, screw or conductive attachment should be by precession/back-outs, because screw or conductive attachment are used the necessity that is threaded, so their complex structure and tuning consuming time;
-the such device of installation is complicated on one section main coaxial cable that has laid, for example, in subterranean tunnel or other quite long ground, install.
The technical scheme of from Russ P, describing as can be known, a kind of device-radiant element that is used for tap and radiation electric magnetic energy.Radiant element is included in the coaxial cable, and comprise a section of coaxial cable, it is present in the inner wire and outer conductor that is surrounded by dielectric layer, the opening that wherein is intended to rely on insert to come tap and radiation electric magnetic energy is formed in (RU in outer conductor, dielectric layer and the inner wire of coaxial cable, A, 2181518).
The limitation of this technical scheme is respectively:
-lacking adaptability, because the size of radiation opening is always selected from the characteristic frequency that the developer sets, can not in outer conductor, make after the opening, reduce such size again;
-because insert always is connected on the inner wire, so the absolute value of tap coefficient is low and adjustable range is little;
-tuning at the same time and regulate and to be used for when the device of wideband wave band operation, can not obtaining minimum and maximum possible tap coefficient;
-because when screw or conductive attachment are positioned at the inside of outer conductor of coaxial cable, in order to adjust the purpose of insertion position, screw or conductive attachment should be by precession/back-outs, because screw or conductive attachment are used the necessity that is threaded, so their complex structure and tuning consuming time;
-the such device of installation is complicated on one section main coaxial cable that has laid, for example, in subterranean tunnel or other quite long ground, install.
Summary of the invention
The present invention is based on the purpose of making a kind of radiating cable, this radiating cable helps to eliminate in the excessively unreasonable loss of the electromagnetic energy of electromagnetic energy radiation event, energy source for given energy, the effective length that it allows to use energy source still less or increases radiating cable, this also can guarantee to operate at the wideband wave band, increase the adjustable range of tap coefficient, simplified design is regulated easily and is installed with guaranteeing, just guarantees the possibility of the place installation radiant element of any necessity in the part of main coaxial cable laying early.Another purpose is, in order to improve radiating cable and the operating characteristic that is used for the device of tap and radiation electric magnetic energy, make corresponding radiant element, guarantee possibility in the work of wideband wave band, increase the adjustable range of tap coefficient, simplify its structure, adjustment and installation.Also having a purpose is to make a kind of radiating cable, in operating process, operationally improve and the situation of this cable of increment under, realize the possibility of the communications zone of formation arbitrary form.
In order to realize described purpose and obtain described technique effect that based on known radiating cable, known radiating cable comprises: coaxial section, it is made by inner wire, outer conductor, and this inner wire is surrounded by dielectric layer; At least two radiant elements, it is formed into the electromagnetic energy tap and is radiated in the surrounding space; Opening, it is formed in outer conductor, dielectric layer and the inner wire of coaxial cable, and it is intended to rely on the insert of described radiant element to come the tap electromagnetic energy.According to the present invention, described insert is by comprising conductor and making around the insulated wire section that the insulator of this conductor constitutes, for electromagnetic energy is radiated in the surrounding space, an end of insert is installed in the opening, and the other end is positioned at the outside of the outer conductor of coaxial section.
Radiating cable of the present invention also has other embodiment, and what wherein be worth introduction is:
-in order to change electromagnetic energy tap coefficient, described insert is installed tightly, and can enter on the direction in the coaxial section at described insert and move this insert at opening;
The described insulated electric conductor of-insert is made into rigidity, and it is laterally located for coaxial section;
-introduce the dielectric box, wherein be shaped on opening, the end of insulated electric conductor that is positioned at the outside of outer conductor is installed in the dielectric box, and described dielectric box is installed on the outer conductor of coaxial section, and laterally facing to it.
-introduce the spurious radiation element, the spurious radiation element is made into the form of the opening in the outer conductor of coaxial section.
With reference to accompanying drawing, described advantage of the present invention and special characteristic will illustrate by the description of most preferred embodiment.
Description of drawings
Fig. 1 is the full view of radiating cable of the present invention;
Fig. 2 is the vertical and horizontal cross section with cable of a radiant element (device that is used for tap and radiation electric magnetic energy);
Fig. 3-identical with Fig. 2 illustrates the dielectric box;
Fig. 4 illustrates the dependence of VSWR and radiant element frequency;
Fig. 5 is illustrated in the layout of the radiating cable with radiant element in straightway and the underpass that turns to;
Fig. 6 illustrate when the described vehicles from the end to end of underpass, and signal is when emitting by four standard antennas, is loaded with the correlation of the signal level in passenger's the underground traffic instrument;
Fig. 7 is identical with Fig. 6, illustrate in order to remove " slit " in the communications zone, on the cable that is laid between the antenna, install after two radiant elements, when the end to end of the described vehicles from underpass, and when signal emits by four standard antennas, be loaded with the correlation of the signal level in passenger's the underground traffic instrument;
Fig. 8 is identical with Fig. 6, illustrate in order to form continuous communications zone at gamut, after entirely lower channel is installed 20 radiant elements, when the end to end of the described vehicles from underpass, and when signal emits by four standard antennas, be loaded with the correlation of the signal level in passenger's the underground traffic instrument;
Fig. 9 illustrates the curve chart of dependence of the distance of VSWR and radiating cable of the present invention.
Embodiment
Radiating cable (Fig. 1) comprises coaxial section 1, and coaxial section 1 comprises inner wire 2 and outer conductor 4, and inner wire 2 is surrounded by dielectric layer 3.This device has two or three radiant elements 5 at least, and the radiant element of making 5 can and be radiated in the surrounding space the electromagnetic energy tap.
The outer conductor 4 of coaxial section 1 (Fig. 2,3), dielectric layer 3 and inner wire 2 are provided with opening 6, and opening 6 is intended to rely on insert 7 to come the tap electromagnetic energy.Insert 7 comprises the insulated wire that conductor 8 and insulator 9 constitute by one section and makes.
One end of insulated wire is installed in the opening 6, and the other end is positioned at the outside of the outer conductor 4 of coaxial wire 1, and it can be radiated electromagnetic energy in the surrounding space.
In order to change electromagnetic energy tap coefficient, insert 7 is installed tightly, and the possibility (Fig. 2,3) of mobile insert 7 in opening 6 is arranged.
The insulated wire of insert 7 can be made into rigidity, and the possibility (Fig. 1,2) that it is laterally located for coaxial section 1 is arranged.
It is very soft that the insulated wire of insert 7 can be made.In this embodiment, introduce dielectric box 10, wherein be shaped on opening (Fig. 3).Be positioned at the end of insulated wire of the outside of outer conductor 4, be installed in the inside of dielectric box 10.Dielectric box 10 is installed in (or on fender, fender can be not shown among Fig. 1-3 by conventional means manufacturing) on the outer conductor 4 of coaxial section 1, and it is laterally installed relatively.Dielectric box 10 is realized the function of fixing insert 7 and is protected it not to be subjected to the effect of outside.
Radiating cable also can comprise spurious radiation element 11, and spurious radiation element 11 is made for the opening (Fig. 1) in the coaxial section 1.
The device of the present invention that is used for tap and radiation electric magnetic energy comprises (Fig. 1,2,3) respectively: coaxial section 1, coaxial section 1 comprise inner wire 2 and outer conductor 4, and inner wire 2 is surrounded by dielectric layer 3.The outer conductor 4 of coaxial section 1, dielectric layer 3 and inner wire 2 are provided with opening 6, and opening 6 is intended to rely on insert 7 to come the tap electromagnetic energy.Insert 7 comprises the insulated wire that conductor 8 and insulator 9 constitute by one section and makes.
One end of insulated wire is installed in the opening 6, and the other end is positioned at the outside of the outer conductor 4 of coaxial section 1, and it can be radiated electromagnetic energy in the surrounding space.
In order to change electromagnetic energy tap coefficient, insert 7 is installed tightly, and the possibility (Fig. 2,3) of mobile insert 7 in opening 6 is arranged.
The insulated wire of insert 7 can be made into rigidity, and the possibility that it is laterally located for coaxial section 1 is arranged.
It is very soft that the insulated wire of insert 7 can be made.In this embodiment, introduce dielectric box 10, wherein be shaped on opening (Fig. 3).Be positioned at the end of insulated wire of the outside of outer conductor 4, be installed in the inside of dielectric box 10.Dielectric box 10 is installed in (or on insulating cell, insulating cell can be not shown among Fig. 1-2 by conventional means manufacturing) on the outer conductor 4 of coaxial section 1, and it is laterally installed relatively.As mentioned above, dielectric box 10 is realized the function of fixing insert 7 and is protected it not to be subjected to the effect of outside.Radiating cable (Fig. 1-3) is by following operation.There is the situation decision in the quantity of radiant element 5 (Fig. 1) by the dead angle of the transmission line of the length of coaxial section 1 and radiating cable.The blind area is many more, the radiant element 5 that then is installed on the transmission line is just approaching more, each radiant element is made of the insulated wire section that comprises conductor 8 and insulator 9, and just, this device (Fig. 2,3) that is used for tap and radiation electric magnetic energy can be installed in the place of special needs.
Different with immediate similar solution, the opening non-radiating in the outer conductor 4, but as passing through insert 7, insert 7 is made by coaxial section 1 inside and outside insulated wire.
When electromagnetic wave is propagated in coaxial section 1, its in insert 7 (insulated wire is finished the function of quarter-wave dipole) excites radio-frequency current, this take turns to their results with electromagenetic wave radiation in surrounding space.
For given frequency band,,, coaxial section 1 and insert 7 are complementary also by selecting the electrical quantity and the geometric parameter of dielectric box 10 by selecting the length and the diameter of insulated wire.
Adjust electromagnetic energy tap coefficient by mobile insert 7 in wide scope, the tap coefficient is decided by the degree of depth of insulated wire being introduced coaxial section 1.Shown in Fig. 2 and 3, as the result who introduces insert 7, the tap coefficient can change to minimum value (Fig. 3) from maximum (Fig. 2).Show as test, can in wide scope, adjust electromagnetic energy tap coefficient.As the result who introduces insert 7, the tap coefficient can change to minimum value (negative 30dB or littler) from maximum (negative 10dB).
The practical significance of apparatus of the present invention is the biggest ground simplified design, the convenient installation.Radiant element 5 can easily be installed in any part of long radiating cable section 1.For this purpose, can on the outer surface of radiating cable section 1, get out opening 6.As long as can install with certain tightness by the thread insert 7 of insulation, just can be chosen as the diameter of opening 6.This guaranteed can be in opening 6 mobile insulated wire, to adjust and to change electromagnetic energy tap coefficient.Making opening 6 and radiant element 5 time necessary are installed can be above 5 minute.
If the insulated wire of insert 7 is made into quite firmly, do not need bracing or strutting arrangement so, it just can be with respect to coaxial section 1 located lateral (Fig. 1,2).
If the insulated wire of insert 7 is made into soft, for example, insulated copper wire so just uses dielectric box 10 (Fig. 3), for the fixing purpose of insert 7 after insert 7 shift-in openings 6, makes the endoporus that is used for insulated wire in the dielectric box.Be positioned at the end of insulated wire of the outside of outer conductor 4, be set at the inside (Fig. 2,3) of dielectric box 10.Dielectric box 10 is set on the outer conductor 4 of coaxial section, laterally towards the latter, for example, uses glue or standard seal device that dielectric box 10 is connected on the fender (being not shown among Fig. 1-3) of coaxial section 1, is used for radio frequency and connects.
Radiating cable can also comprise additional radiant element 11, its only in the outer conductor of coaxial section 1 form with opening make (Fig. 1).Such opening can be arranged on the position near electromagnetic energy source, and Zui Xiao energy can be by from electromagnetic energy source tap and radiation there.The add ons 11 that is in opening form also can form in certain position by bore corresponding opening (or opening in groups) in the outer conductor 4 of coaxial section 1.
Device of the present invention can be adjusted easily by the cutting insulated wire.The energy that needs is only adjusted by the introducing degree of depth that change insert 7 enters in the coaxial section 1.Can be by getting rid of some or reducing the quantity of opening 6 and the quantity of corresponding radiant element 5 reduces the radianting capacity of cable.Be positioned near the radiant element 5 of electromagnetic energy source and those both radiation level of radiant element 5 by the position adjustment that changes insert 7 in the opening 6 from electromagnetic energy source ultimate range, darker position comprises its position in inner wire 2 (Fig. 2), perhaps more shallow position, for example, in dielectric layer 3 (Fig. 3).Because do not have radiant element 5 to be installed in the zone of continuous reception, the electromagnetic energy loss that does not receive the dead band is eliminated.Dependence for the VSWR of radiant element 5 and frequency is shown in Figure 4.Compare with those the quantity made from the form of opening, reduce the quantity of radiant element 5, the source that can use less electromagnetic energy source perhaps for the source that given energy is arranged, increases the effective length of radiating cable.
As seen, the packing density of radiant element 5 in the tunnel of straight line is less than the packing density in the tunnel that is turning among Fig. 5.And in the tunnel that turns to, radiant element 5 is introduced into the bigger degree of depth in the radiating cable section 1, can not only compensate decay therein like this, and can compensate by radio wave propagate the excess loss that causes in having the tunnel of zig zag.Shown in the example that provides is the adaptation form of the possible radiation level consistent with the situation of laying radiating cable.
When building the GSM-900 cellular network in the subway of Moscow, the practicality of radiating cable of the present invention and effect are confirmed by test.
In order to improve the communication quality in underpass, use device of the present invention with following parameter:
The length of insert 7 is 95mm, and the diameter of conductor 8 is 2mm, and the diameter of insulator 9 is 7mm.The diameter of the dielectric box of being made by polyethylene 10 is 10mm.The diameter of the outer conductor 4 of coaxial cable 1 is 30mm, and the diameter of inner wire 2 is 13mm.For forming the radiating cable insert 7 that uses, it has from the negative 13 tap coefficients to negative 30dB.
The phase I that between two station A and B, has construction network in 700 meters long tunnels, two standard antennas (A1 and A4) are installed in genuine top and end, and two standard antennas (A2 and A3) are moved to the interior section (Fig. 6) apart from the tunnel of 150 meters of each sides.Use coaxial connector that antenna A1-A3 is connected on the coaxial section 1.Antenna A1 and A2 are connected on the GSM of subway station A base station apparatus, and antenna A3 and A4 are connected on the GSM of subway station B base station apparatus.Be installed in genuine interior antenna and have very big gain, and antenna is by the interior section orientation towards the tunnel.
Fig. 6 illustrates when the end to end of the vehicles from underpass, when that is to say from station A to station B, is loaded with the correlation of the signal level in passenger's the underground traffic instrument.Be illustrated among Fig. 6 from the signal at different stations black curve by varying strength.Guarantee that the necessary signal level of communication quality equals negative 90dBi.Can clearly see four peak values of signal, it is corresponding to four standard antennas.Can see that not only at the middle part in tunnel but also between antenna, communication zone is gapped.Communication zone is the zone that signal level surpasses negative 90dBm.
In second stage, radiant element 5 is installed on the coaxial section 1, provides power that it is moved to the tunnel for antenna A3.According to desired technical scheme, radiant element is made into insert 7 (in Fig. 7, the insert 7 of radiant element 5 is labeled as A5 and A6).Interval between the radiant element 5 approximately is 40 meters, and the tap coefficient is negative 13dB.After two inserts 7 of radiant element 5 installed, the record sheet of signal level was shown among Fig. 7.Two additional peak values are corresponding with the radiation of two additional radiant elements of installing 5 (AS and A6).Can see that the slit of communication zone only is retained in genuine center.
In the phase III, genuine standard antenna A2 and A3 are disconnected, and the coaxial section 1 that has radiant element 5 (insert is made for consistent with desired technical scheme) is laid along whole tunnel.Top and end in the tunnel, between the radiant element 5 is 40 meters at interval, the center in the tunnel, between the radiant element 5 is 20 meters at interval.Energy tap coefficient is also inequality: from the negative 30dB at genuine two ends to the negative 13dB in the middle of genuine.Record sheet in the phase III signal level is shown among Fig. 8.Can see that when providing energy from two ends to coaxial section, average signal level is about 75dBi, this very big leeway is arranged has guaranteed the high quality communication in whole tunnel.
Fig. 9 is illustrated in for the coaxial section 1 that 18 radiant elements 6 are arranged in the tunnel with 500 meters length, the curve chart of the dependence of VSWR and distance.Can see that for all inserts 7 of radiant element 5, the value of VSWR is lower than 1.15.
Therefore, compare with immediate similar scheme, technical scheme required for protection has been guaranteed:
-for the bigger tap coefficient of a radiating element 5, so the quantity of radiating element has reduced;
-in order to form required communication zone, owing to changed the introducing degree of depth that insert 7 enters coaxial section 1, can effectively control emittance;
-in the process of actuating cable, can correct and increase communication zone;
-under any circumstance, simplified design is conveniently installed to greatest extent, and therefore radiating cable of the present invention has lower cost.
Industrial applicibility
Be used for the radiating cable of the present invention of tap and radiation electric magnetic energy and radiation appliance can be like a bomb with the sizable application of industry in the tunnel of the various uses that is necessary to guarantee cellular network communication and wireless access communication, cabin, underground structure, big commercial center, parking lot and other big and complicated structure.
Claims (9)
1. radiating cable comprises: coaxial section, and it comprises inner wire, outer conductor, and this inner wire is surrounded by dielectric layer; At least two radiant elements, it is formed into the electromagnetic energy tap and is radiated in the surrounding space; Opening, be formed in outer conductor, dielectric layer and the inner wire of coaxial cable, it is intended to rely on the insert of described radiant element to come the tap electromagnetic energy, it is characterized in that, described insert comprises conductor by one section and makes around the insulated wire that the insulator of this conductor constitutes, the one end is installed in the opening, and the other end is positioned at the outside of the outer conductor of coaxial section, and electromagnetic energy is radiated in the surrounding space.
2. radiating cable according to claim 1 is characterized in that, in order to change electromagnetic energy tap coefficient, described insert is installed tightly, can enter on the direction in the coaxial section at described insert and move described insert at described opening.
3. radiating cable according to claim 1 is characterized in that, the described insulated wire of described insert is made into rigidity, and it is laterally located for described coaxial section.
4. radiating cable according to claim 1, it is characterized in that, introduce the dielectric box, wherein be shaped on opening, the end of described insulated wire that is positioned the outside of described outer conductor is set in the described dielectric box, described dielectric box is set on the described outer conductor of described coaxial section, laterally facing to described coaxial section.
5. radiating cable according to claim 1 is characterized in that, introduces the spurious radiation element, and it is formed into the hole in the described outer conductor of described coaxial section.
6. device that is used for electromagnetic energy tap and radiation, it comprises: coaxial section, it is made by inner wire and outer conductor, and inner wire is surrounded by dielectric layer; Opening, it is formed in described outer conductor, described dielectric layer and the described inner wire, it is intended to rely on insert to be used for the electromagnetic energy tap, it is characterized in that, described insert is by comprising conductor and making around the insulated wire section that the insulator of this conductor constitutes, the one end is installed in the described opening, and the other end is positioned in the outside of the described outer conductor of described coaxial section, and electromagnetic energy is radiated in the surrounding space.
7. device according to claim 6 is characterized in that, in order to change electromagnetic energy tap coefficient, described insert is installed tightly, can enter on the direction in the coaxial section at described insert and move described insert at described opening.
8. device according to claim 6 is characterized in that, the described insulated wire of described insert is made into rigidity, and it laterally is provided with for described coaxial section.
9. device according to claim 6, it is characterized in that, introduce the dielectric box, wherein be shaped on opening, the end of described insulated wire that is positioned the outside of described outer conductor is set in the described dielectric box, described dielectric box is set on the described outer conductor of described coaxial section, and laterally facing to described coaxial section.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2005104991 | 2005-02-24 | ||
| RU2005104993 | 2005-02-24 | ||
| RU2005104991/09A RU2265923C1 (en) | 2005-02-24 | 2005-02-24 | Radiating cable |
| RU2005104993 | 2005-02-24 | ||
| PCT/RU2006/000052 WO2006091121A2 (en) | 2005-02-24 | 2006-02-10 | Radiation-emitting cable and a radiation-emitting element comprised therein |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101164193A CN101164193A (en) | 2008-04-16 |
| CN101164193B true CN101164193B (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800138532A Expired - Fee Related CN101164193B (en) | 2005-02-24 | 2006-02-10 | Radiation-emitting cable and a radiation-emitting element comprised therein |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1860725B1 (en) |
| CN (1) | CN101164193B (en) |
| HK (1) | HK1114949A1 (en) |
| PL (1) | PL1860725T3 (en) |
| WO (1) | WO2006091121A2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088134A2 (en) * | 2010-12-20 | 2012-06-28 | Emprimus, Inc. | Low power localized distributed radio frequency transmitter |
| US9420219B2 (en) | 2010-12-20 | 2016-08-16 | Emprimus, Llc | Integrated security video and electromagnetic pulse detector |
| US9041497B2 (en) * | 2012-04-27 | 2015-05-26 | Tektronix, Inc. | Minimal intrusion very low insertion loss technique to insert a device to a semi-rigid coaxial transmission line |
| CA2906560C (en) | 2013-03-14 | 2021-04-20 | Emprimus, Llc | Electromagnetically protected electronic enclosure |
| CN106898875B (en) * | 2017-02-24 | 2020-06-12 | 南京秦淮紫云创益企业服务有限公司 | Mobile terminal |
| EP3382799B1 (en) | 2017-03-27 | 2020-01-15 | Nokia Shanghai Bell Co., Ltd. | Radiating cable and method of manufacturing a radiating cable |
| CN109244627A (en) * | 2018-08-08 | 2019-01-18 | 上海宇航系统工程研究所 | The mounting structure of antenna and its high frequency cable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870977A (en) * | 1973-09-25 | 1975-03-11 | Times Wire And Cable Companay | Radiating coaxial cable |
| CN1319919A (en) * | 2000-03-28 | 2001-10-31 | 阿尔卡塔尔公司 | Coaxial radiation RF cable |
| RU2181518C2 (en) * | 2000-05-17 | 2002-04-20 | ГУП "Конструкторское бюро "Связьморпроект" | Coaxial radiating cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1929451A1 (en) * | 1969-06-10 | 1970-12-17 | Rohde & Schwarz | Logarithmic periodic antenna |
| US4972505A (en) * | 1988-12-06 | 1990-11-20 | Isberg Reuben A | Tunnel distributed cable antenna system with signal top coupling approximately same radiated energy |
| US5220337A (en) * | 1991-05-24 | 1993-06-15 | Hughes Aircraft Company | Notched nested cup multi-frequency band antenna |
| RU2113038C1 (en) * | 1996-06-24 | 1998-06-10 | Войсковая часть 35533 | Antenna |
-
2006
- 2006-02-10 WO PCT/RU2006/000052 patent/WO2006091121A2/en active Application Filing
- 2006-02-10 CN CN2006800138532A patent/CN101164193B/en not_active Expired - Fee Related
- 2006-02-10 EP EP06716863A patent/EP1860725B1/en not_active Not-in-force
- 2006-02-10 PL PL06716863T patent/PL1860725T3/en unknown
-
2008
- 2008-09-19 HK HK08110389.0A patent/HK1114949A1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870977A (en) * | 1973-09-25 | 1975-03-11 | Times Wire And Cable Companay | Radiating coaxial cable |
| CN1319919A (en) * | 2000-03-28 | 2001-10-31 | 阿尔卡塔尔公司 | Coaxial radiation RF cable |
| RU2181518C2 (en) * | 2000-05-17 | 2002-04-20 | ГУП "Конструкторское бюро "Связьморпроект" | Coaxial radiating cable |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1860725A4 (en) | 2011-03-02 |
| HK1114949A1 (en) | 2008-11-14 |
| WO2006091121A2 (en) | 2006-08-31 |
| EP1860725B1 (en) | 2012-08-15 |
| WO2006091121A3 (en) | 2006-12-07 |
| PL1860725T3 (en) | 2013-01-31 |
| CN101164193A (en) | 2008-04-16 |
| EP1860725A2 (en) | 2007-11-28 |
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