CN203219498U - Wireless coverage system - Google Patents
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- CN203219498U CN203219498U CN 201220706291 CN201220706291U CN203219498U CN 203219498 U CN203219498 U CN 203219498U CN 201220706291 CN201220706291 CN 201220706291 CN 201220706291 U CN201220706291 U CN 201220706291U CN 203219498 U CN203219498 U CN 203219498U
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Abstract
One embodiment of the utility model relates to a wireless coverage system. The wireless coverage system comprises at least one antenna, and the antenna comprises an antenna or a metal vibrator antenna of an antenna conductor adhered on a medium substrate. The wireless coverage system has good directionality and long-distance transmission performance, also avoids signal interference, improves the data transmission quality and furthermore improves the user experience.
Description
Technical field
The utility model relates to the wireless communication technique field, more particularly, relates to a kind of wireless shrouding system.
Background technology
Radio communication is a kind of communication mode that the characteristic of utilizing electromagnetic wave signal to propagate in free space is carried out information exchange, and in the information communication field, with fastest developing speed, most widely used is exactly wireless communication technology in recent years.Development along with wireless communication technique, increasing communication terminal comes into operation, for example mobile phone, PAD etc., these portable terminals have had considerable growth to the disposal ability of data, the data providing capability that these portable terminals come into operation to cordless communication network has proposed higher requirement, as higher to the requirement of QoS service quality and antijamming capability.
In communication systems such as IEEE802.11a/b/g/n/e/ac, access switch (AP) is mutual data transmission by Radio Link and between the one or more wireless user equipments.But owing to reasons such as network's mode and aerial radiation scopes, wireless user equipment is subjected to the interference of other AP, other wireless communication apparatus easily, causes poor signal quality, and then reduces the user and experience.
The utility model content
The purpose of this utility model is, a kind of wireless shrouding system is provided, and improving the signal quality of this wireless shrouding system corresponding region, and then improves the user and experiences.
To achieve these goals, the utility model embodiment provides a kind of wireless shrouding system, this system comprises at least one the access switch AP that is connected with the internet and at least one antenna that is connected with each AP, and this antenna is antenna or the metal element antenna that adheres to antenna conductor on the medium substrate.
Optionally, described system also comprises the core switch that is connected with at least one access switch AP.
Optionally, described system also comprises the wireless controller that is connected with described core switch.
Optionally, described core switch is connected with the internet by metropolitan area network.
Optionally, described core switch is connected with Intranet by gateway, and described Intranet is connected with the internet.
Optionally, described core switch is connected with at least one convergence switch, at least one convergence switch is connected with at least one AP.
Optionally, the maximum gain direction of described antenna is consistent with described medium substrate plate face bearing of trend.
Optionally, described medium substrate by dielectric constant less than 10, loss tangent makes less than 0.04 material.
Optionally, described medium substrate by dielectric constant less than 6.5, loss tangent makes less than 0.009 material.
Optionally, described medium substrate is epoxy resin board, polyfluortetraethylene plate, Teflon plate, halogen plate, Rogers's high frequency plate or ceramic wafer.
Optionally, described medium substrate is made by super plate of material, and described super plate of material comprises substrate and the micro-structural that is attached on the substrate.
Optionally, the size of described micro-structural is less than 1/2nd of the corresponding electromagnetic wavelength of described operating frequency of antenna.
Optionally, the size of described micro-structural is less than 1/4th of the corresponding electromagnetic wavelength of described operating frequency of antenna.
Optionally, the size of described micro-structural is less than the sixth of the corresponding electromagnetic wavelength of operating frequency of described antenna element.
Optionally, described antenna conductor comprises the main element that is connected with feeder line, the director that is used for strengthening radio wave.
Optionally, described director is the diffusing structure of being made up of conductor material that arranges along the electromagnetic wave direction of propagation.
Optionally, described main element is shaped as even straight line, non-homogeneous straight line or curve.
Optionally, described main element is opening curve ring or opening broken line ring.
Optionally, described main element is rhombus ring, circular rings, straight-flanked ring, triangle ring or the polygon ring at arbitrary angle opening.
Optionally, described medium substrate comprises two surfaces, and at least one described director is arranged on another surface different with surface, described main element place.
Optionally, described antenna conductor comprises and is arranged on wherein lip-deep first antenna conductor and be arranged on another lip-deep second antenna conductor of described medium substrate.
Optionally, described antenna comprises two layer medium substrate at least, and antenna conductor is arranged on wherein at least on one deck medium substrate.
Optionally, described metal element antenna is included in the antenna that hollow out on the sheet metal has antenna structure.
Optionally, described antenna conductor comprises a current feed department, holding wire, transmitting station and opening coupling loop; Described transmitting station is arranged in the described opening coupling loop and corresponding the opening part of described opening coupling loop, opening and transmitting station that described holding wire one end passes described opening coupling loop are integral setting, and described holding wire one end arranges outside the described opening coupling loop and with described current feed department and links to each other.
Optionally, described antenna conductor comprises a current feed department, holding wire, transmitting station and closed coupled structure, and described transmitting station is electrically connected described closed coupled structure or the related described closed coupled structure of coupling.
Optionally, described holding wire arranges along described closed coupled structure edge, and forms described transmitting station endways.
Optionally, described closed coupled structure be in complementary split ring resonator topological structure, complementary helix topological structure, complementary folding line topological structure, complementary opening helical ring topological structure and the two opening helical ring topological structures any one.
Optionally, the topological structure of described closed coupled structure can be derived by any one or several structure in described complementary split ring resonator topological structure, complementary helix topological structure, complementary folding line topological structure, complementary opening helical ring topological structure and the two opening helical ring topological structures, compound or a topological structure that the group battle array obtains.
With respect to prior art, the beneficial effects of the utility model are: the antenna that the wireless system network adopts has good directivity and long-distance transmissions performance, can avoid signal to disturb, and can improve data transmission quality, and then improve the user and experience.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
The wireless shrouding system schematic diagram that Fig. 1 provides for the utility model embodiment;
The structural representation of antenna first embodiment that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the structural representation with many antenna modules one embodiment of antenna shown in Figure 2;
Fig. 4 is the structural representation with many another embodiment of antenna module of antenna element shown in Figure 2;
Fig. 5 is the directional diagram of above-mentioned many antenna modules when frequency is 2.45GHz;
Fig. 6 is the directional diagram of above-mentioned many antenna modules when frequency is 5.72GHz;
Fig. 7 is the structural representation of another many antenna modules of the present utility model;
Fig. 8 is the structural representation of the antenna element in many antenna modules shown in Figure 7;
The antenna conductor that Fig. 9 provides for figure the utility model one embodiment is grown and be wide is variable illustrative schematic plan view;
A kind of split ring resonator topological structure plane graph that Figure 10 a comprises for the utility model antenna element;
Figure 10 b is a kind of complementary topological structure plane graph of split ring resonator topological structure shown in Figure 10 a;
A kind of helix topological structure plane graph that Figure 11 a comprises for the utility model antenna element;
Figure 11 b is a kind of complementary topological structure plane graph of helix topological structure shown in Figure 11 a;
The plane graph of a kind of folding line topological structure that Figure 12 a comprises for the utility model antenna element;
Figure 12 b is a kind of complementary topological structure plane graph of folding line topological structure shown in Figure 12 a;
The plane graph of a kind of opening helical ring topological structure that Figure 13 a comprises for the utility model antenna element;
Figure 13 b is a kind of complementary topological structure plane graph of the topological structure of opening helical ring shown in Figure 13 a;
A kind of pair of opening helical ring topological structure plane graph that Figure 14 a comprises for the utility model antenna element;
Figure 14 b is a kind of complementary topological structure plane graph of two opening helical ring topological structures among Figure 14 a;
Figure 15 is the schematic diagram of deriving of split ring resonator topological structure geometry shown in Figure 10 a;
Figure 16 is the schematic diagram of deriving of geometry in the complementary split ring resonator topological structure shown in Figure 10 b;
Figure 17 is the schematic diagram of deriving of complementary split ring resonator topological structure shown in Figure 10 b;
Figure 18 a obtains a kind of topological structure plane graph for three compound deriving of complementary split ring resonator topological structure shown in Figure 10 b;
Figure 18 b is a kind of complementary topological structure plane graph of topological structure shown in Figure 13 a.
Embodiment
The present middle embodiment that describes in detail with reference to the accompanying drawings.For complete understanding the utility model, numerous details have been mentioned in the following detailed description.But it should be appreciated by those skilled in the art that the utility model can need not these details and realize.In other embodiments, be not described in detail known method, process, assembly and circuit, in order to avoid unnecessarily make embodiment fuzzy.
Referring to Fig. 1, it is a kind of wireless shrouding system schematic diagram that the utility model embodiment provides, this wireless shrouding system comprises the Intranet 102 that is connected with internet 101, and this Intranet 102 can be metropolitan area network, also can be corporate intranet, can also be the network of certain residential quarter.Core switch 104 is connected with Intranet (intranet) 102 by gateway 103, and this core switch 104 is connected with wireless controller 105 and intelligent management platform, management platforms such as server are recalled in the address.Core switch 104 is connected with at least one access switch 107, when access switch 107 has when a plurality of, can converge earlier by at least 2 convergence switches 106, then at least 2 convergence switches is connected with core switch 104.Access switch 107 is connected with at least one antenna 108, and antenna 108 comprises the antenna that adheres to antenna conductor on metal a period of time antenna or the medium substrate.
The metal element antenna has the antenna of antenna structure for hollow out on sheet metal.The antenna that adheres to antenna conductor on the medium substrate relates to a kind of antenna element, comprise medium substrate and the antenna conductor that is attached on the medium substrate, the maximum gain direction of antenna element is consistent with described medium substrate plate face bearing of trend, and also namely this antenna element is end-on-fire antenna.End-on-fire antenna has multiple, will be described several end-on-fire antenna herein.
Above-mentioned medium substrate by dielectric constant less than 10, loss tangent makes less than 0.02 material, preferred dielectric constant less than 6.5, loss tangent is less than 0.009 material.This material can be that a kind of pure material constitutes, and also can be the composite material that two or more material constitutes.For example, medium substrate is epoxy resin board, polyfluortetraethylene plate, Teflon plate, halogen plate, Rogers's high frequency plate or ceramic wafer.Medium substrate also can be made by the composite material that fiber cloth and cross linking of epoxy resin compound of reaction constitute.In addition, medium substrate is made by super plate of material, and described super plate of material comprises substrate and the micro-structural that is attached on the substrate.Usually, the size of micro-structural is less than 1/2nd of the corresponding electromagnetic wavelength of operating frequency of described antenna element, and preferably less than 1/4th, the best is less than sixth.
As shown in Figure 2, antenna element 4 of the present utility model comprises medium substrate 40 and the antenna conductor that is attached on the medium substrate 40, and antenna conductor comprises main element and director.Medium substrate 40 adopts FR4, F4b material to make, perhaps the baseplate material that adopts of other existing antennas.
Main element is used for being connected with feeder line, comprises two strip conductor lines, is respectively first conductor lines 48 and second conductor lines 49, and wherein first conductor lines 48 is electrically connected with the outer conductor of coaxial line feeder line, and second conductor lines 49 is electrically connected with the heart yearn of coaxial line feeder line.Obviously, the position of first conductor lines 48, second conductor lines 49 is interchangeable.As shown in Figure 2, first conductor lines 48 and second conductor lines 49 are separated with a determining deviation between the two on same straight line.
Director can have only one, also can have a plurality ofly, is and is attached to medium substrate 40 lip-deep conductor lines.When director has when a plurality of, each conductor lines that constitutes director is parallel to each other, and all is positioned at the same side of main element, is used for strengthening the electromagnetic intensity of residing main element one side, and concrete structure as shown in Figure 2.The 3rd conductor lines 45 among Fig. 2, the 4th conductor lines 46, the 5th conductor lines 47 constitute three directors respectively, three directors are arranged in parallel to each other, and it is parallel certain with first conductor lines 48, second conductor lines 49 of formation main element, can be not parallel between the director, also needn't be parallel with main element.The length of three directors can be identical, also can be different, and for electromagnetic wave is guided better effects if into, preferred length equates.In addition, the quantity of director can be three, also can be two even one, perhaps more than three.The straight line at main element place and above-mentioned arbitrary strip conductor line parallel and total length are greater than above-mentioned arbitrary strip conductor line, and the center of preferred main element and three central points of above-mentioned first, second, third conductor lines are on same straight line.
Above-mentioned first to the 5th conductor lines all adopts electric conducting material to make, preferable alloy line, for example copper, aluminium etc.
Director is the diffusing structure of being made up of conductor material that arranges along the electromagnetic wave direction of propagation, and its structure is not limited to the shape of above-mentioned parallel wire, can also be curve or live width not exclusively equal straight line or curve.Equally, main element can be straight line or curve, and the live width of its conductor lines can equate everywhere, also can be not exclusively equal.Main element can also be opening curve ring or opening broken line ring, for example is rhombus ring, circular rings, straight-flanked ring or triangle ring or polygon ring at arbitrary angle opening.Can also be, medium substrate comprises two surfaces, and at least one described director is arranged on another surface different with surface, described main element place.
The antenna that the utility model embodiment provides also comprises a kind of many antenna modules, as shown in Figure 3, comprises dieletric reflection face 1 and the above-mentioned antenna element 4 that is contained on the dieletric reflection face 1.When antenna unit 4 has a plurality ofly, and the operating frequency of these antenna unit 4 is when same frequency or same frequency range, and they constitute an antenna sets.
Director on dieletric reflection face 1 and each antenna element 4 lays respectively at the main element both sides of this antenna element 4, wherein dieletric reflection face 1 is reflector, first conductor lines 48 of main element and second conductor lines 49 constitute active dipole, and the 3rd, the 4th, the 5th conductor lines has constituted three directors.And because main element of the present utility model, director have all adopted conductor lines and the form of non-metallic pipe, so volume reduces greatly, structure is compacter, and antenna also continues the good directivity of Yagi antenna.Simultaneously, a plurality of antenna elements 4 share a dieletric reflection face 1, also can save the space greatly, reduce antenna volume.
When antenna unit 4 has when a plurality of, preferably arrange according to rule definitely.Antenna element 4 shown in Figure 3 has three, and three antenna elements 4 are identical.The operating frequency of these three antenna elements 4 is also basic identical so, constitutes an antenna sets, is used for the radio wave of this operating frequency of transmitting-receiving.
Three identical antenna elements 4 are arranged among Fig. 3, the medium substrate 40 of each antenna element 4 vertically is installed on institute's matter reflecting surface 1, three antenna elements are mutually 60 and spend, and the medium substrate 40 of three antenna elements 4 intersects the formation equilateral triangle after surface direction prolongs separately.
Three antenna elements 4 can also be arranged according to another kind of mode, the medium substrate 40 that is each antenna element 4 equally vertically is installed on the dieletric reflection face 1, and three antenna elements 4 are mutually 120 degree, be the prolongation intersecting lens on any two medium substrate surfaces with same straight line, and three antenna elements 4 all equate to distance that this prolongs intersecting lens.
Certainly, antenna module of the present utility model must not have only three antenna elements, can have only one, two or more than three.Antenna element is uninevitable yet arranges according to the mode of above-mentioned five equilibrium angle, also can arrange according to array or random fashion.
As shown in Figure 4, many antenna modules in the present embodiment have two antenna sets, each antenna sets comprises three identical antenna elements, and hereinafter antenna element that size is big is called the antenna sets that 2, three first identical antenna elements 2 of first antenna element constitute and is referred to as first antenna sets.The antenna sets that the antenna element that size is little is referred to as 3, three identical second antenna elements, 3 formations of second antenna element is referred to as second antenna sets.Because the size of first antenna element 2 is greater than second antenna element 3, therefore, the operating frequency of the antenna that first antenna element 2 and dieletric reflection face 1 constitute will be lower than the antenna of second antenna element and dieletric reflection face 1 formation.Therefore, many antenna modules of present embodiment belong to dual-band antenna.Certainly, here the principal element that influences operating frequency is the size of main element, therefore, even the size of first antenna element 2 and the medium substrate of second antenna element 3 is all identical, as long as the main element size of first antenna element 2 is greater than the main element of second antenna element 3, the former operating frequency all can be lower than the latter usually so.
The medium substrate of each antenna element is perpendicular to dieletric reflection face 1, and its installation makes the director of this antenna element and the both sides that described dieletric reflection face 1 is positioned at this antenna element main element.
As shown in Figure 4, three first antenna elements 2 are mutually 120 degree, and are the prolongation intersecting lens on three medium substrate surfaces with same straight line, and three first antenna elements 2 all equate to the distance of described prolongation intersecting lens.Also can be understood as, three first antenna elements 2 are pivot with the same point, and arbitrary first antenna element 2 overlaps with another first antenna element 2 with these pivot rotation 120 degree backs.
Three second antenna elements 3 are arranged by mode shown in Figure 3, and the medium substrate that namely is mutually 60 degree and three second antenna elements 3 in twos prolongs the back along surface direction and intersects the formation equilateral triangle.Be provided with second antenna element 3 between per two first antenna elements 2, and these two first antenna elements 2 are symmetrically located at this second antenna element, 3 both sides, make three first antenna elements 2 be arranged in three adjacent spaces of three second antenna elements 3 successively.Certainly, each antenna sets must not have only three antenna elements, can have only one, two or more than three.Antenna element is uninevitable yet arranges according to the mode of above-mentioned five equilibrium angle, also can arrange according to array or random fashion.
In order to verify the effect of antenna module of the present utility model and many antenna modules, exemplify a specific embodiment, the medium substrate 20 long 95mm of first antenna element 2 wherein, wide 50mm, first conductor lines 28, second conductor lines 29 be long 20mm all, wide 1.5mm.The medium substrate 20 long 55mm of first antenna element 2, second antenna element 3, wide 25mm, first conductor lines 38, second conductor lines 39 be long 9mm all, wide 1mm.Dieletric reflection face 1 is Copper Foil.Carry out emulation shown in Fig. 5,6 with the many antenna modules that have above-mentioned size and arrange as shown in Figure 4.Fig. 5, Fig. 6 show that these many antenna modules all have very good impedance matching in 2.4000 ~ 2.4800GHz and two band limits of 5.7250 ~ 5.8500GHz.
In sum, antenna element of the present utility model, antenna module, many antenna modules have good directivity, and working frequency range is 2.4GHz and two frequency ranges of 5.8GHz, belong to dual-band antenna, and have high, the easy advantage of debugging of bandwidth, gain.Obviously, when many antenna modules of the present utility model have three or more antenna sets, can obtain multifrequency antenna, also belong to protection range of the present utility model.
In addition, need to prove that the antenna sets of present embodiment is directly installed on the dieletric reflection face, so the dieletric reflection face is equivalent to install base plate.Obviously, antenna sets can be connected with the dieletric reflection face by after other mounting structure relative fixed earlier again, does not even connect.The dieletric reflection face only is used for the electromagnetic wave that the antenna element of reflecting antenna group sends and receives, and must not play the installation effect.Therefore, antenna module of the present utility model and many antenna modules as long as the dieletric reflection face is positioned at a side of antenna element, namely belong within the protection range of the present utility model.
Described antenna conductor can also be other structures, and antenna conductor can comprise and is arranged on wherein lip-deep first antenna conductor and be arranged on another lip-deep second antenna conductor of described medium substrate.For example in Fig. 7, the many antenna modules and antenna element thereof shown in Figure 8, each antenna element comprises medium substrate 34, is attached to first antenna conductor 32 on medium substrate 34 1 side surfaces and is attached to lip-deep second antenna conductor 35 of medium substrate 34 opposite sides.Two antenna conductors are approximate L shaped, and L shaped towards on the contrary.The outside of each antenna element is arranged with a reflector 33, and reflector 33 is the big hatch frame of the little end of an end, and described opening is towards the maximum gain direction of the antenna element that is enclosed.
Certainly, the antenna element of the antenna correspondence that the utility model embodiment provides can also have other structures, as long as the maximum gain direction of this antenna element is extended along medium substrate plate face direction, namely belongs within the utility model protection range.The maximum gain direction of the antenna element here is consistent with medium substrate plate face bearing of trend, comprise that this maximum gain direction becomes the situation of less certain angle with medium substrate plate face, when the angle that becomes between the two less than 45 degree, also be that this maximum gain direction is consistent with medium substrate plate face bearing of trend for example.
In addition, when the antenna element of antenna correspondence comprises the multilayer dielectricity substrate, antenna conductor can be arranged on wherein on one or more layers medium substrate.
The antenna that antenna conductor is provided on the medium substrate that provides among the utility model one embodiment, described antenna conductor comprise a current feed department, holding wire, transmitting station and closed coupled structure, and closed coupled structure is a complementary split ring resonator topological structure.Transmitting station is electrically connected described closed coupled structure or the related described closed coupled structure of coupling.
Please refer to Fig. 9, the antenna conductor that provides for the utility model embodiment, closed coupled structure topology schematic diagram.Different topological structures these parameters of distance s between length d, width w and topological structure line and the line of changing topological structure integral body according to simulation softwares such as CST, HFSS, topological structure wiring simultaneously forms the number of turns g of helix, and the number of turns g of helix shown in Figure 9 is 2.Realize the design object antenna by regulating above-mentioned parameter, make the parameter that influences antenna conductor be optimized.In addition, the area size of the holding wire length of antenna conductor, width, ground unit also is the parametric variable of development and Design antenna, therefore regulate above-mentioned parameter according to antenna indexs such as the resonance band of target, directivity, gains, to realize the target antenna performance index.
In order to satisfy the requirement of antenna development and Design, develop difform topological structure to adapt to the antenna design requirement, please refer to Figure 10 to difform topological structure shown in Figure 14, these described topological structures adopt topological structure and the derived structure thereof in the various artificial electromagnetic materials.Topological structure can be selected complementary split ring resonator topological structure (shown in Figure 10 a, 10b) for use as described, and namely the shape of two kinds of topological structures forms complementation shown in Figure 10 a, 10b.This kind design is equivalent to has increased antenna physical length (the physical length size does not increase), like this can be so that the antenna exploitation is conducive to miniaturization.
Topological structure shown in Figure 10 a and the 10b forms a pair of complementary split ring resonator topological structure mutually.Wherein the topological structure shown in Figure 10 b is the split ring resonator topological structure, and Figure 10 a is the complementary topological structure of the topological structure shown in Figure 10 b.Described topological structure also can be selected a pair of complementary helix topological structure, a pair of complementary folding line topological structure shown in Figure 12 a and 12b, a pair of complementary opening helical ring topological structure shown in Figure 13 a and 13b and a pair of complementary two opening helical ring topological structures shown in Figure 14 a and 14b shown in Figure 11 a and 11b for use.
The topological structure of closed coupled structure can by a kind of or by several structures in front derive, compound or a topological structure that the group battle array obtains.Deriving is divided into two kinds, and a kind of is that geometry is derived, and another kind is that expansion is derived.Geometry is herein derived and is referred to that function class derives like, variform structure, for example by square frame class formation derive opening curve topological structure, open-delta topological structure, opening polygon topological structure and other different polygon class formation, be example with the opening resonance becket structure shown in Figure 10 a, Figure 15 is its geometry schematic diagram of deriving.By as being example with the opening resonance becket structure shown in Figure 10 b, Figure 16 is its geometry schematic diagram of deriving.Except above-mentioned two kinds from geometry is derived, also comprise topological structure self extended and derive, please refer to metal deriving mode shown in Figure 17, with the opening resonance becket structure shown in Figure 10 b for carrying out self extension deriving mode.
Above-mentioned expansion is derived namely on the basis of the topological structure of Figure 10 to Figure 14 mutually, and complex superposition forms topological structure; Compound referring to herein, at least two the topological structure complex superposition extremely shown in Figure 14 as Figure 10 form a compound topological structure.Compound topological structure shown in Figure 18 a is by three compound being nested to form of complementary split ring resonator topological structure shown in Figure 10 b.Thereby obtain a kind of complementary compound topological structure (shown in Figure 18 b) by the topological structure shown in Figure 18 a.
The current feed department that described antenna conductor comprises, holding wire, transmitting station and closed coupled structure or opening coupled structure are by any one is arranged on the surface of described medium substrate in laser-engraving technique and the etching technique.The antenna that the utility model embodiment provides also can be the metal element antenna, and the antenna of antenna structure is arranged as hollow out on sheet metal; It can also be spring oscillator etc.
The antenna that the utility model embodiment provides because maximum gain direction is consistent with medium substrate plate face bearing of trend, has good directivity and long-distance transmissions performance, adopts the wireless shrouding system of this antenna also can obtain the good data transmission performance.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (24)
1. a wireless shrouding system is characterized in that, comprises at least one the access switch AP that is connected with the internet and at least one antenna that is connected with each AP, and this antenna comprises antenna or the metal element antenna that adheres to antenna conductor on the medium substrate.
2. wireless shrouding system according to claim 1 is characterized in that, described system also comprises the core switch that is connected with at least one access switch AP.
3. wireless shrouding system according to claim 2 is characterized in that, described system also comprises the wireless controller that is connected with described core switch.
4. wireless shrouding system according to claim 2 is characterized in that, described core switch is connected with the internet by Intranet.
5. wireless shrouding system according to claim 2 is characterized in that, described core switch is connected with the internet by gateway.
6. wireless shrouding system according to claim 2 is characterized in that, described core switch is connected with at least one convergence switch, at least one convergence switch is connected with at least one AP.
7. wireless shrouding system according to claim 1 is characterized in that, the maximum gain direction of described antenna is consistent with described medium substrate plate face bearing of trend.
8. wireless shrouding system according to claim 1 is characterized in that, described medium substrate by dielectric constant less than 10, loss tangent makes less than 0.04 material.
9. wireless shrouding system according to claim 1 is characterized in that, described medium substrate by dielectric constant less than 6.5, loss tangent makes less than 0.009 material.
10. wireless shrouding system according to claim 1 is characterized in that, described medium substrate is epoxy resin board, polyfluortetraethylene plate, Teflon plate, halogen plate, Rogers's high frequency plate or ceramic wafer.
11. wireless shrouding system according to claim 1 is characterized in that, described antenna conductor comprises the main element that is connected with feeder line, the director that is used for strengthening radio wave.
12. wireless shrouding system according to claim 11 is characterized in that, described director is the diffusing structure of being made up of conductor material that arranges along the electromagnetic wave direction of propagation.
13. wireless shrouding system according to claim 11 is characterized in that, described main element be shaped as even straight line, non-homogeneous straight line or curve.
14. wireless shrouding system according to claim 11 is characterized in that, described main element is opening curve ring or opening broken line ring.
15. wireless shrouding system according to claim 14 is characterized in that, described main element is at the rhombus ring of arbitrary angle opening, circular rings, straight-flanked ring, triangle ring or polygon ring.
16. wireless shrouding system according to claim 11 is characterized in that, described medium substrate comprises two surfaces, and at least one described director is arranged on another surface different with surface, described main element place.
17. wireless shrouding system according to claim 1 is characterized in that, described antenna conductor comprises and is arranged on wherein lip-deep first antenna conductor and be arranged on another lip-deep second antenna conductor of described medium substrate.
18. wireless shrouding system according to claim 1 is characterized in that, described antenna comprises two layer medium substrate at least, and antenna conductor is arranged on wherein at least on one deck medium substrate.
19. wireless shrouding system according to claim 1 is characterized in that, described metal element antenna is included in the antenna that hollow out on the sheet metal has antenna structure.
20. wireless shrouding system according to claim 1 is characterized in that, described antenna conductor comprises a current feed department, holding wire, transmitting station and opening coupling loop; Described transmitting station is arranged in the described opening coupling loop and corresponding the opening part of described opening coupling loop, opening and transmitting station that described holding wire one end passes described opening coupling loop are integral setting, and described holding wire one end arranges outside the described opening coupling loop and with described current feed department and links to each other.
21. wireless shrouding system according to claim 1, it is characterized in that, described antenna conductor comprises a current feed department, holding wire, transmitting station and closed coupled structure, and described transmitting station is electrically connected described closed coupled structure or the related described closed coupled structure of coupling.
22. wireless shrouding system according to claim 21 is characterized in that, described holding wire arranges along described closed coupled structure edge, and forms described transmitting station endways.
23. wireless shrouding system according to claim 21, it is characterized in that, described closed coupled structure be in complementary split ring resonator topological structure, complementary helix topological structure, complementary folding line topological structure, complementary opening helical ring topological structure and the two opening helical ring topological structures any one.
24. wireless shrouding system according to claim 23, it is characterized in that, the topological structure of described closed coupled structure can by in described complementary split ring resonator topological structure, complementary helix topological structure, complementary folding line topological structure, complementary opening helical ring topological structure and the two opening helical ring topological structures any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706291 CN203219498U (en) | 2012-12-19 | 2012-12-19 | Wireless coverage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706291 CN203219498U (en) | 2012-12-19 | 2012-12-19 | Wireless coverage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203219498U true CN203219498U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220706291 Expired - Fee Related CN203219498U (en) | 2012-12-19 | 2012-12-19 | Wireless coverage system |
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| Country | Link |
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| CN (1) | CN203219498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561482A (en) * | 2013-10-31 | 2014-02-05 | 天津港远航矿石码头有限公司 | Wireless network applied to bulk cargo terminal storage yard |
-
2012
- 2012-12-19 CN CN 201220706291 patent/CN203219498U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561482A (en) * | 2013-10-31 | 2014-02-05 | 天津港远航矿石码头有限公司 | Wireless network applied to bulk cargo terminal storage yard |
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