CN202758993U - A dielectric phase shifter and an antenna control system adopting the dielectric phase shifter - Google Patents
A dielectric phase shifter and an antenna control system adopting the dielectric phase shifter Download PDFInfo
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- CN202758993U CN202758993U CN 201220350880 CN201220350880U CN202758993U CN 202758993 U CN202758993 U CN 202758993U CN 201220350880 CN201220350880 CN 201220350880 CN 201220350880 U CN201220350880 U CN 201220350880U CN 202758993 U CN202758993 U CN 202758993U
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Abstract
The utility model discloses a dielectric phase shifter. The dielectric phase shifter includes a pair of parallel grounding boards, a dielectric device disposed between the parallel grounding boards in a sliding manner and provided with a through room running through the sliding direction, and a feed network maintaining a fixed relative positional relation with the pair of the grounding boards. The feed network is provided with two or more transmission arms arranged in parallel with each other and feed components used for balanced feed of the transmission arms. The transmission arms are arranged in the through space in a penetrating manner. The dielectric device includes multiple parts arranged corresponding to the two or more transmission arms respectively and having different dielectric constants. The utility model also discloses an antenna control system adopting the dielectric phase shifter. According to the utility model, zigzag loops are avoided to use completely and the junctions of the transmission arms and the dielectric device are reduced, so that the matching design of the dielectric shifter is facilitated and the working frequency of 1710-2690 MHz bandwidth can be realized in actual measurement. The dielectric phase shifter has advantages of convenient processing, stable performance, low cost and the like.
Description
[technical field]
The utility model relates to a kind of antenna control system, relates in particular to a kind of dielectric phase shifter that it adopts.
[background technology]
The electrical tilt antenna technology is a generally requirement in the mobile communication system, and this technology is used in time changing the phase place of each radiated element of aerial array so that adjusting the vertical beam of a certain antenna points to, thus the sphere of action of control signal of communication.This technology is mainly realized by the phase shifter of the phase place that can be used for the regulation output signal.Phase shifter is externally controlled under the control in source, by moving the parts of himself, just the signal of one tunnel input can be changed phase place and be assigned to a plurality of branches output port, thereby change the phase place of the signal that is transferred to radiated element, realizes the downwards bevel beam adjusting.Developing rapidly of mobile communication technology had higher requirement to phase shifter, such as good Broadband Matching characteristic etc.A lot of research and design personnel have carried out extensive and various research, in order to make phase shifter possess better performance and more effective structure.
Early stage disclosed dielectric phase shifter technology is disclosed US Patent No. 3005168 in 1961, its cake medium block is comprised of two half different cakes of dielectric constant, feeding network and cake medium block place between two grounding plates, feeding network is done in the arc-shaped with the cake medium block center of circle, consist of strip transmission line.The cake medium block axially moves along its center of circle, and the dielectric constant of feeding network is thereupon linear change also, causes input to change to the signal delay of output, reaches the purpose of phase shift.Its shortcoming is in order to reach the purpose of Circuit Matching, distance between two ground plates of the strip line of corresponding differing dielectric constant must be different, medium is when motion, and its grounding plate also will together move, and this makes the large heavy discount of feasibility of this technology practical application.The direction that the technology of the disclosure adopts medium to move is consistent with the direction of signal propagation, and US5949303, CN1547788A, US20020030560 are extension or the variant of its technology.
See also the US5949303 patent announcement, its technical scheme is simplified to shown in Figure 1, mode by slip dielectric-slab 2 on the feeding network 1 that is the indentation loop design has realized phase shift function, and the phase difference between the different output ports is to realize by the transmission line medium overlay length of feeding network 1 is different.The deficiency that this scheme is hidden is: the indentation loop makes the transmission line of dielectric-slab 2 edges and feeding network 1 have a common boundary more than twice, be unfavorable for reducing reflected signal, be unfavorable for designing the parts with broadband response, also increased simultaneously the structure complexity of phase shifter.
In the phase shift scheme that the CN1547788A bulletin is realized, the purpose that reaches phase shift that moves by the elongated dielectric-slab of a monoblock, its core concept is similar with US5949303, adopt too much indentation loop to realize the phase shift of a plurality of ports, except being difficult to design the super wide frequency shifter that parts with broadband response such as operating frequency be 1710-2690MHz, too much indentation loop has increased the insertion loss of phase shifter, and too elongated dielectric-slab is owing to the reason of mechanical strength is difficult to guarantee the long term maintenance original state, as everyone knows, the dielectric-slab of distortion can discontinuity when mobile, might cause phase shifter stuck or affect phase shifting accuracy in moving process.
Avoided above-mentioned shortcoming among the US20020030560, but it adopts two differing dielectric constant medium blocks to make patty medium block 3 by the mode of sintering, as shown in Figure 2, its manufacturing cost is higher, and it is low to make efficient, is not suitable for high volume applications in industry; And, adopt the patty medium block, for the needs of phase shift, must adopt epicyclic gear.As everyone knows, revolving transmission mechanism is more than Straight pull transmission mechanism complexity, has further limited the popularity of its application.
[utility model content]
Therefore, primary and foremost purpose of the present utility model is to overcome above-mentioned deficiency, and a kind of dielectric phase shifter is provided, and realizes the more reliable physics of phase shifter and electric property with simpler structure.
Another purpose of the present utility model is to provide a kind of antenna control system of dielectric phase shifter, thinks that the application of described dielectric phase shifter provides necessary environment.
For realizing the purpose of this utility model, the utility model adopts following technical scheme:
Dielectric phase shifter of the present utility model, it comprises the pair of parallel ground plate, places this that medium apparatus between ground plate, this medium apparatus are had the run-though space that connects along its glide direction slidably, and ground plate is kept the feeding network of fixing relative position relation with this; Described feeding network have two or more transfer arms of being parallel to each other and with the feeding pack that those transfer arms is carried out balanced feeding, described each transfer arm runs through described run-though space setting; Described medium apparatus comprises a plurality of parts that have each other differing dielectric constant that corresponding described two or more transfer arms arrange respectively.
The mode that is preferably as follows the utility model realizes described medium apparatus:
At least two described parts of one, described medium apparatus form to present different dielectric constants by the different materials sintering respectively.
Two, the described medium apparatus part that is formed in one, its each several part has mutually different structure to present different dielectric constants.Particularly, at least one part of described medium apparatus is respectively established an incomplete section near described two ground plate places, and those incomplete sections occupy whole that two ground plates of this part and this parallel.When the quantity of the part of medium apparatus surpassed two, described medium apparatus had plural part to be provided with described incomplete section, and the volume of the incomplete section of each part is all not identical.
Three, in like manner, the described medium apparatus part that is formed in one, its each several part has mutually different structure to present different dielectric constants.Particularly, at least one part of described medium apparatus is provided with some through holes that connect along the relative direction of two ground plates.When the quantity of the part of medium apparatus surpassed two, described medium apparatus had plural part to be provided with described through hole, and the individual number average of the through hole of those parts is not identical.
The mode that is preferably as follows the utility model realizes corresponding relation between described medium apparatus and the transfer arm:
The various piece of one, described medium apparatus is described each transfer arm of corresponding encirclement on its glide direction cross section.
Two, described medium apparatus spatially is separated into two integral body, and each integral body includes a plurality of parts corresponding with described two or more transfer arm quantity, between two integral body respect to one another each to being equipped with a described transfer arm between the part.
Better, described two ground plates are even material, and the distance between two ground plates equates everywhere.
Between the feeding pack that the utility model discloses and transfer arm in a kind of optimal way of annexation, described transfer arm has even number, described feeding pack comprises external arm and described each transfer arm is carried out the transmission structure of five equilibrium parallelly feeding, external arm one end is connected with the geometric center point of this transmission structure, to guarantee all have identical length to realize balanced feeding to each transfer arm through transmission structure to formed each signal transmission path of each transfer arm output from external arm.
For dielectric phase shifter simple in structure, described transmission structure comprises a straight transmission line, described transfer arm has two, and the transmission line two ends that this is straight are connected with the same side of two transfer arms respectively, and described external arm is connected with the geometric center point of this transmission line.
Between the feeding pack that the utility model discloses and transfer arm in another optimal way of annexation, described two or more transfer arm connects described feeding pack in the geometric center point of transfer arm itself, so that this feeding pack enters into and has identical length between the every pair of signal transmission path that forms between same transfer arm two outputs realizing the balanced feeding to these transfer arm both sides certainly, described medium apparatus is formed with for this feeding pack and enters the space of inserting that described run-though space is connected with each transfer arm realization.
Better, the various piece of described medium apparatus has decrescence dielectric constant according to its neighbouring relations.The ratio of the dielectric constant of adjacent two parts of described medium apparatus is 1:2.Further, the described medium apparatus wall that is used to form run-though space is formed with lubricating layer.The wall of described transfer arm is formed with lubricating layer.
It comprises antenna control system of the present utility model such as the aforesaid dielectric phase shifter of claim, the output of each transfer arm of each dielectric phase shifter is all independent to be connected with a signal radiant element, and this antenna control system comprises that also drives Vidacare corp or the mechanical actuation device that described medium apparatus slides along its glide direction.Better described Vidacare corp is controlled by a with it controller of long-range connection.
Compared with prior art, the utlity model has following advantage:
1, a plurality of transfer arms are carried out the mode of balanced feeding, the many places of having avoided occurring transfer arm and medium apparatus in the bars transmission path have a common boundary, and are conducive to reduce reflected signal, are conducive to design the parts with broadband response.
2, change the dielectric constant of this part dielectric material by the mode that through hole or incomplete section are set at same dielectric material, so that medium apparatus is in case mobile, two parts of its differing dielectric constant are different on the impact of signal, specifically make the signal of the transfer arm of differing dielectric constant present different phase places by the propagation rate that affects signal, realize thus the purpose of phase shift, in addition, the expensive problem that the mode of through hole and incomplete section has also avoided sintering processing to bring is set.
3, overall structure is simple and have good symmetry, and the distance between the ground plate equates everywhere, the processing of the geometry of medium apparatus is simple and easy, and feeding network is easy to fix, and is convenient to batch machining, guarantees comparatively stable electric property with this.
4, directly and point-blank pass medium apparatus, and make the glide direction of medium apparatus consistent with the transmission direction of signal in transfer arm, be convenient to the realization of its machinery or electric driving mechanism.
5, because transfer arm connects the medium apparatus setting, the length of medium apparatus less than with the length of transfer arm, medium apparatus is easy to be processed to form the higher characteristic of mechanical strength, so that phase shifter is more durable, be difficult for tightening mutually with transfer arm, guarantee the phase shifting accuracy of phase shifter.
6, the utility model provides with simple structure and has disposed the multiple possibility that does not break away from the variant of creative spirit of the present utility model, for example, by increasing a plurality of transfer arms that parallel or changing the distributing point etc. of feeding pack, can make phase shifter have the balance phase shift feed distribution network of one-to-many, be applicable to various application occasions.
[description of drawings]
Fig. 1 is the rough schematic view of the core technology of the phase shifter that discloses of US5949303 patent announcement;
Fig. 2 is the rough schematic view of the core technology of the phase shifter that discloses of US20020030560 patent announcement;
Fig. 3 is the principle schematic of the first embodiment of the utility model dielectric phase shifter;
Fig. 4 is the schematic cross-section of A-A direction among Fig. 3;
Fig. 5 is the variant of Fig. 4, the cross section identical with Fig. 4 of getting, and for the cross section of the second embodiment that discloses dielectric phase shifter, this cross section is disclosed medium apparatus and is formed with incomplete section;
Fig. 6 is the principle schematic of the 3rd embodiment of the utility model dielectric phase shifter, and it is provided with a plurality of through holes;
Fig. 7 is the principle schematic of the 4th embodiment of the utility model dielectric phase shifter, and in its feeding network, feeding pack is connected with the geometric center point of two transfer arms;
Fig. 8 is the schematic cross-section of A-A direction among Fig. 7, and it discloses medium apparatus and is formed with incomplete section;
Fig. 9 is the principle schematic of the 5th embodiment of the utility model dielectric phase shifter, and in its feeding network, feeding pack is connected with the geometric center point of three transfer arms, and accordingly, two parts of medium apparatus are provided with the incomplete section that thickness does not wait;
Figure 10 is the schematic cross-section of A-A direction among Fig. 9, and it discloses medium apparatus and is formed with a plurality of incomplete sections;
Figure 11 is the principle schematic of the 6th embodiment of the utility model dielectric phase shifter, and its two parts that disclose medium apparatus are provided with the through hole that density does not wait.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further described:
See also Fig. 3 and Fig. 4, the first embodiment of dielectric phase shifter of the present utility model has disclosed this dielectric phase shifter and has been comprised of a pair of ground plate 81,82, a feeding network 4 and a medium apparatus 3.
This is homogeneous metal material to ground plate 81,82, and it is tabular, has two level and smooth surfaces, two ground plates 81,82 toward each other and parallel setting so that two ground plates 81,82 toward each other to two faces between distance equate everywhere.Certainly, do not have desirable model in the commercial Application, therefore, the fine distance difference that presents because of rational physical error between two faces should be left in the basket, be considered as equidistantly meeting core concept of the present utility model.
Described medium apparatus 3 places between two ground plates 81,82, and being designed to can also be round slip of signal transmission path of transfer arm 411,412 along the longitudinally of transfer arm 411,412.Because ground plate 81,82 and each transfer arm 411,412 are fixture, therefore, medium apparatus 3 is unique slidable members.
In order to make medium apparatus 3 more level and smooth with respect to the movement of each transfer arm 411,412, lubricating layer (not shown) can or be set on medium apparatus 3 walls that form run-though space 30 on the wall of transfer arm 411,412.
According to radio frequency principle, be provided with the transmission line that length is L, when it was filled at air dielectric, electrical length was θ
1=2 π L/ λ, and be ε in that dielectric constant is arranged
rFilled Dielectrics the time, electrical length is
Both differences are
Wherein λ is the operation wavelength of signal.Medium apparatus 3 slides at feeding network 4, and its L value changes, and then thereupon linear variation of Δ θ, reaches the purpose of phase shift.Need a nearly step to be pointed out that DIELECTRIC CONSTANT ε
rValue larger, its amount of phase shift is relatively larger.
In order to arrive each transfer arm 411 in the signal feed side 480 that makes the external arm 421 on the feeding network 4,412 output 481,482 the step-like differential variation of radiofrequency signal phase generate, the dielectric constant or the effective dielectric constant that are applied to the medium of each output 411,412 also need difference.If in the dielectric phase shifter of present embodiment, when medium apparatus 3 movable length L, in order to obtain at an output 481-amount of phase shift of Δ θ, and obtaining the component (negative sign represents the delay of radiofrequency signal phase place) of-2 Δ θ at another output 482, the dielectric constant of the medium at transfer arm 411 places is ε under corresponding first output 481
R1, the dielectric constant at transfer arm 412 places is ε under corresponding the second output 482
R2, ε then
R1And ε
R2Corresponding pass is
That is:
In the present embodiment, structure to medium apparatus 3 is not made any change, but, as shown in Figure 4, medium apparatus 3 corresponding described two transfer arms 411,412 two parts 31 that equate about being divided into, 32, and these two parts 31,32 are symmetrical in the present embodiment, and preferably so that whole dielectric phase shifter is also symmetrical about the symmetry axis of two parts 31,32 of medium apparatus 3.
Two parts 31 of medium apparatus 3,32 adopt respectively the material with differing dielectric constant to be made, each part 31 and 32 is complete filling member, two parts 31,32 dielectric constant satisfies above-mentioned relation, and the transmission of signal will have different propagation rates under the medium effect with differing dielectric constant.Abstract, be in particular in when medium apparatus 3 is done linear slide, be equivalent to be covered in two dielectric constants on the transfer arm 411,412 and be gradually varied to respectively ε by air
R1With ε
R2, so that the ratio of the phase place variation of the two paths of signals of two transfer arm 411,412 outputs is 1:2, reach the purpose of two-way phase of output signal difference.
Two manufacture crafts with material of differing dielectric constant of medium apparatus 3 can take the mode of sintering to realize, but sintering process causes processing cost higher at present, and have three above parts 31,32 when the part that needs sintering discloses as described later, 33(consults Fig. 8) time, although mode that also can sintering realizes that these three parts have respectively different dielectric constants, it is more difficult that sintering will become.Therefore, the follow-up embodiment of the utility model will further disclose other possible implementation.
The second embodiment of the utility model dielectric phase shifter adopts sintering process to realize that medium apparatus 3 has differing dielectric constant and causes the higher problem of cost and make improvement for the first embodiment, improvements are that its medium apparatus 3 is own, do not affect ground plate 81,82, the parts such as feeding network 4 specifically see also Fig. 5.
See also Fig. 5, medium apparatus 3 part that is formed in one, two part 31,32 has identical material, and therefore, material itself is so that two parts 31,32 of medium apparatus 3 have identical dielectric constant.In order to realize that dielectric constant satisfies aforementioned formula
Structure to one of them part 32 spatially makes a change.Concrete shifting gears is: close two ground plates 81 of the part 32 that this of medium apparatus 3 need change, two face places of 82, occupy these two face integral body and be provided with rectangular tabular incomplete section 321,321 ', so that medium apparatus 3 has changed media property in this part 32, change into medium by single medium and add air, the combination of medium and air is so that present the dielectric constant of the equivalence that is different from another part 31 in this part 32, by this incompleteness section 321 of reasonable adjusting, 321 ' at two ground plates 81, cutting thickness d ' on 82 relative directions, make and satisfy certain relation (determining by software emulation) between the rear residual thickness d-d ' of cutting thickness d ' and cutting, can make the dielectric constant of this part 32 and the dielectric constant of another part 31 satisfy above-mentioned formula
So that the ratio of the phase place variation of the output 481,482 of two transfer arms 411,412 is 1:2.
The 3rd embodiment of the utility model dielectric phase shifter is based on the principle identical with the second embodiment, avoids adopting sintering process, and the internal structure of one of them part 32 of medium apparatus 3 is made improvement, specifically sees also Fig. 6.
Visual angle shown in Fig. 6 is identical with Fig. 3.In two parts 31,32 shown in Figure 6, one of them part 31 is provided with an exhausting hole 323 along the direction of its corresponding transfer arm 412, this exhausting hole 323 of medium apparatus 3 is along two ground plates 81, corresponding this part 31 that 82 relative direction connects medium apparatus 3 arranges, just so that this exhausting hole 323 on this relative direction corresponding to transfer arm 411 settings in the corresponding run-though space 30.Because of the existence of run-though space 30, although not shown, this exhausting hole 323 of medium apparatus 3 will present by from radially blocking and mutual corresponding shape.
This shows, the second and the 3rd embodiment all starts with from structure medium apparatus 3 has been made improvement, so that two parts 31,32 of medium apparatus 3 present different dielectric constants satisfying the needs of difference phase shift, and the difficulty of processing of having avoided sintering process to bring is high, high in cost of production is not enough.
But the structure of the feeding network 4 that above embodiment discloses is all comparatively simple, all is based on the differential principle of one-to-two, for the phase shifter of one minute multichannel, then needs above-described embodiment is made suitable improvement.
See also Fig. 7 and Fig. 8 the 4th embodiment of the common dielectric phase shifter that discloses.In the 4th embodiment, its ground plate 81,82, medium apparatus 3 is still continued to use and the identical structure of the second embodiment and relative position relation, in like manner, two transfer arms 411 in its feeding network 4,412 with ground plate 81,82, medium apparatus 3 between structure and relative position relation also identical with the second embodiment, medium apparatus 3 arranges incomplete section 321,321 ' with by change the dielectric constant of the appropriate section 32 of medium apparatus 3 in conjunction with air.Difference is, the feeding pack 40 of its feeding network 4 only comprises a single transmission lines 421, this transmission line 421 namely consists of the external arm 421 of feeding pack 40, for the medium apparatus 3 that run-though space 30 is designed to the four sides perforation, just self-assembling formation enter the space of inserting that run-though space 30 is connected with each transfer arm 411,412 for feeding pack 40.Described feeding pack 40 is inserted from the position perpendicular to the parallel direction of these two transfer arms 411,412, and respectively with two transfer arms 411,412 geometric center point is connected, transfer arm 411 is divided into two branch road 411a and 411b, transfer arm 412 also is divided into two branch road 412a, 412b.After signal self feeding parts 40 enter, enter respectively two transfer arms 411,412, in each transfer arm 411,412, signal is by two outputs, 481,482 transmission of minute this transfer arm 411,412 of road direction.For each transfer arm 411 or 412, the signal of two output 481,482 or 483,484 outputs has all passed through the transmission line of equal length, and therefore, feeding network 4 has been realized balanced feeding for the both sides of its each transfer arm 411 or 412.
Among the 4th embodiment, medium apparatus 3 is along transfer arm 411, when 412 longitudinallies slide, the air of transfer arm 411,412 1 sides increases and the air minimizing of opposite side, be coated with again the medium of differing dielectric constant between two transfer arms 411,412, therefore, two transfer arms 411,412 formed four output ports 481,483,482,484 will have and be successively 2 Δ θ, Δ θ,-Δ θ, the phase difference of-2 Δ θ changes relation.As seen, two of medium apparatus 3 parts 31,32 dielectric constant are decrescence according to these two parts 31,32 neighbouring relations.
Further see also the 5th embodiment of the common dielectric phase shifter of Fig. 9 and Figure 10.The 5th embodiment is on the basis of the 4th embodiment, the number of transfer arm is expanded to three 411,412,413, accordingly, medium apparatus 3 is divided into three parts 31,32,33, three parts 31,32,33 of medium apparatus 3 still with three transfer arms 411,412,413 corresponding settings.Each transfer arm 411,412,413 all is divided into two, and is respectively that transfer arm 411 is divided into two branch road 411a, 411b; Transfer arm 412 is divided into two branch road 412a, 412b; Transfer arm 413 is divided into two branch road 413a, 413b.The first 31 of medium apparatus 3 does not arrange incomplete section, 33 of second portion 32 and third parts all arrange incomplete section 321,321 ' and 331,331 ', but the incomplete section 321 of second portion 32,321 ' has different thickness d from the incomplete section 331,331 ' of third part 33 ', d "; three parts 31,32,33 thickness d, d ', d " stepped shape of gradually falling so that the dielectric constant of three parts 31,32,33 equivalences that obtain has staged gradual change relation.The setting of three parts 31 of medium apparatus 3,32,33 thickness is abideed by following mode and is processed: establish three parts 31,32,33 dielectric often respectively is ε
R3, ε
R2, ε
R1, the dielectric constant that the first 31 of medium apparatus 3 keeps original material to have covers the first transfer arm 411; By reasonable cutting medium device 3 second portion thickness d ' form incomplete section 321,321 ', obtain the dielectric constant of equivalence
Cover the second transfer arm 412; Third part 33 is with larger thickness d " cut the incomplete section 331,331 ' of formation, obtain the dielectric constant of equivalence
Cover the 3rd transfer arm 413.Three parts 31 of medium apparatus 3,32,33 dielectric constant are decrescence according to these three parts 31,32,33 neighbouring relations.
As seen, with last embodiment in like manner, by above setting, so that three transfer arms 411, six output ports 485 of 412,413, the phase place variation relations of 483,481,486,484,482 signals of exporting are followed successively by: 3 Δ θ, 2 Δ θ, Δ θ,-Δ θ ,-2 Δ θ ,-3 Δ θ.When the medium linearity of each transfer arm 411,412,413 1 sides reduced, the medium of opposite side is linear to be increased.
Please continue to consult the 6th embodiment of the utility model dielectric phase shifter that Figure 11 discloses.Among the 6th embodiment, with the 5th embodiment have equally the transfer arm 411,412,413 that is divided into two by feeding pack 40, medium apparatus 3 in like manner correspondence three parts 31,32,33 are set.The third part 33 of medium apparatus 3 is not done the dielectric constant of any setting to keep medium itself to be had, and covers the 3rd transfer arm 413; Second portion 32 adopts the mode of setting up through hole 323 to replace the mode that incomplete section is set among the last embodiment, makes to be full of air in the through hole 323 with the dielectric constant of the equivalence of change medium apparatus 3 second portions 32, makes this equivalent dielectric constant be
Cover the second transfer arm 412; In like manner, third part 31 adopts the mode of setting up the through hole 313 that does not wait, differs in size with second portion 32 numbers to replace the mode that incomplete section is set among the last embodiment, make by in be full of air with the dielectric constant of the equivalence that changes medium apparatus 3 third parts 31, make this equivalent dielectric constant be
Cover the 3rd transfer arm 411.In like manner, three parts 31 of the medium apparatus 3 of present embodiment, 32,33 dielectric constant also are decrescence according to these three parts 31,32,33 neighbouring relations.
Comprehensive the first to the 3rd embodiment is as can be known: establish n for more than or equal to 2 natural number, arrange 2 in feeding network 4
nIndividual transfer arm, and by sintering, incomplete section is set, any one modes such as through hole be set make medium apparatus 3 have 2
nThe individual part corresponding with each transfer arm in like manner can realize the phase difference variation relation that export on one tunnel input n road, and the ratio of the phase place between the output signal of two adjacent transfer arms in like manner can be set to 1:2.
Further dielectric phase shifter of the present utility model is applied to describe not shown in a kind of antenna control system of the present utility model.
The dielectric phase shifter that antenna control system of the present utility model uses aforementioned each embodiment and possibility variant thereof to disclose, this antenna control system is provided with some signal radiant elements, the quantity of signal radiant element is consistent with the output quantity of transfer arm, the output of each transfer arm is exported to a signal radiant element with signal, can change the elevation angle of the antenna beam that is formed by each signal radiant element by the phase place of regulating those signals, to change the sensing of this antenna beam.The Vidacare corp or the mechanical actuation device that change that the mode of the phase place of output signal disposes by antenna control system are realized.This Vidacare corp or mechanical actuation device are used for masterpiece the slidably direction of the medium apparatus 3 of described dielectric phase shifter, making medium apparatus 3 also is that side signal transmission is to slip along the longitudinally of transfer arm, in various degree phase change namely occurs because of the change of the dielectric constant of the medium relative with transfer arm in the signal of flowing through in the transfer arm, thereby reaches the purpose of phase shift adjusting downwards bevel beam.Further, the function that has Long-distance Control for the process that makes phase shift, for described Vidacare corp disposes a controller, realize long-range the connection in wireless or wired mode between controller and the Vidacare corp, send a signal to described Vidacare corp by steering controller, can make this Vidacare corp produce the power that acts on described medium apparatus 3, thereby realize accurately and easily long-range phase modulation control.
In sum, dielectric phase shifter of the present utility model avoids using the indentation loop fully, reduce the boundary between transfer arm and the medium apparatus 3, be conducive to the coupling design of phase shifter, can realize in the actual measurement that operating frequency is the 1710-2690MHz bandwidth, have the processing of convenience, stable performance, the advantage such as with low cost.
Although the utility model only provides above embodiment, but also provide many possible variants of drawing through creative work of not needing, though still can't be exhaustive, but those skilled in the art are after reading over this specification, in conjunction with common practise, should be able to associate more embodiment, the spirit of the not unconventional the utility model claim of this type of embodiment, any type of being equal to, replace or simple modification all should be considered as by the included embodiment of the utility model.
Claims (19)
1. dielectric phase shifter, it is characterized in that: it comprises the pair of parallel ground plate, places this that medium apparatus between ground plate, this medium apparatus are had the run-though space that connects along its glide direction slidably, and ground plate is kept the feeding network of fixing relative position relation with this; Described feeding network have two or more transfer arms of being parallel to each other and with the feeding pack that those transfer arms is carried out balanced feeding, described each transfer arm runs through described run-though space setting; Described medium apparatus comprises a plurality of parts that have each other differing dielectric constant that corresponding described two or more transfer arms arrange respectively.
2. dielectric phase shifter according to claim 1 is characterized in that, at least two described parts of described medium apparatus form to present different dielectric constants by the different materials sintering respectively.
3. dielectric phase shifter according to claim 1 is characterized in that, the described medium apparatus part that is formed in one, and its each several part has mutually different structure to present different dielectric constants.
4. dielectric phase shifter according to claim 3 is characterized in that, at least one part of described medium apparatus is respectively established an incomplete section near described two ground plate places, and those incomplete sections occupy whole that two ground plates of this part and this parallel.
5. dielectric phase shifter according to claim 4 is characterized in that, described medium apparatus has plural part to be provided with described incomplete section, and the volume of the incomplete section of each part is all not identical.
6. dielectric phase shifter according to claim 3 is characterized in that, at least one part of described medium apparatus is provided with some through holes that connect along the relative direction of two ground plates.
7. dielectric phase shifter according to claim 6 is characterized in that, described medium apparatus has plural part to be provided with described through hole, and the individual number average of the through hole of those parts is not identical.
8. the described dielectric phase shifter of any one in 7 according to claim 1 is characterized in that, the various piece of described medium apparatus is corresponding on its glide direction cross section surrounds described each transfer arm.
9. the described dielectric phase shifter of any one in 7 according to claim 1, it is characterized in that, described medium apparatus spatially is separated into two integral body, each integral body includes a plurality of parts corresponding with described two or more transfer arm quantity, between two integral body respect to one another each to being equipped with a described transfer arm between the part.
10. the described dielectric phase shifter of any one in 7 according to claim 1 is characterized in that described two ground plates are even material, and the distance between two ground plates equates everywhere.
11. the described dielectric phase shifter of any one in 7 according to claim 1, it is characterized in that, described transfer arm has even number, described feeding pack comprises external arm and described each transfer arm is carried out the transmission structure of five equilibrium parallelly feeding, external arm one end is connected with the geometric center point of this transmission structure, to guarantee all have identical physical length to realize balanced feeding to each transfer arm through transmission structure to formed each signal transmission path of each transfer arm output from external arm.
12. dielectric phase shifter according to claim 11, it is characterized in that, described transmission structure comprises a straight transmission line, described transfer arm has two, the transmission line two ends that this is straight are connected with the same side of two transfer arms respectively, and described external arm is connected with the geometric center point of this transmission line.
13. the described dielectric phase shifter of any one in 7 according to claim 1, it is characterized in that, described two or more transfer arm connects described feeding pack in the geometric center point of transfer arm itself, so that this feeding pack enters into and has identical length between the every pair of signal transmission path that forms between same transfer arm two outputs realizing the balanced feeding to these transfer arm both sides certainly, described medium apparatus is formed with for this feeding pack and enters the space of inserting that described run-though space is connected with each transfer arm realization.
14. the described dielectric phase shifter of any one in 7 is characterized in that according to claim 1, the various piece of described medium apparatus has decrescence dielectric constant according to its neighbouring relations.
15. the described dielectric phase shifter of any one in 7 is characterized in that the ratio of the dielectric constant of adjacent two parts of described medium apparatus is 1:2 according to claim 1.
16. the described dielectric phase shifter of any one in 7 is characterized in that the wall that described medium apparatus is used to form run-though space is formed with lubricating layer according to claim 1.
17. the described dielectric phase shifter of any one in 7 is characterized in that the wall of described transfer arm is formed with lubricating layer according to claim 1.
18. antenna control system, it is characterized in that, it comprises such as the described dielectric phase shifter of any one in the claim 1 to 17, the output of each transfer arm of each dielectric phase shifter is all independent to be connected with a signal radiant element, and this antenna control system comprises that also drives Vidacare corp or the mechanical actuation device that described medium apparatus slides along its glide direction.
19. antenna control system according to claim 18 is characterized in that, described Vidacare corp is controlled by a with it controller of long-range connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350880 CN202758993U (en) | 2011-08-26 | 2012-07-19 | A dielectric phase shifter and an antenna control system adopting the dielectric phase shifter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248296 | 2011-08-26 | ||
| CN201110248296.5 | 2011-08-26 | ||
| CN 201220350880 CN202758993U (en) | 2011-08-26 | 2012-07-19 | A dielectric phase shifter and an antenna control system adopting the dielectric phase shifter |
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| CN202758993U true CN202758993U (en) | 2013-02-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602281A (en) * | 2016-12-20 | 2017-04-26 | 北京佰才邦技术有限公司 | Feed network and antenna array |
| CN107482286A (en) * | 2017-07-24 | 2017-12-15 | 武汉虹信通信技术有限责任公司 | Dielectric phase shifter and antenna |
| CN113241506A (en) * | 2021-05-21 | 2021-08-10 | 广东盛路通信有限公司 | Cavity medium sliding type phase shifter and base station antenna |
-
2012
- 2012-07-19 CN CN 201220350880 patent/CN202758993U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602281A (en) * | 2016-12-20 | 2017-04-26 | 北京佰才邦技术有限公司 | Feed network and antenna array |
| CN107482286A (en) * | 2017-07-24 | 2017-12-15 | 武汉虹信通信技术有限责任公司 | Dielectric phase shifter and antenna |
| CN107482286B (en) * | 2017-07-24 | 2023-07-18 | 中信科移动通信技术股份有限公司 | Dielectric phase shifter and antenna |
| CN113241506A (en) * | 2021-05-21 | 2021-08-10 | 广东盛路通信有限公司 | Cavity medium sliding type phase shifter and base station antenna |
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