CN107968239A - Phase-shift structure and antenna - Google Patents
Phase-shift structure and antenna Download PDFInfo
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- CN107968239A CN107968239A CN201711479528.1A CN201711479528A CN107968239A CN 107968239 A CN107968239 A CN 107968239A CN 201711479528 A CN201711479528 A CN 201711479528A CN 107968239 A CN107968239 A CN 107968239A
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- shift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to mobile communication technology field, more particularly to a kind of phase-shift structure and antenna.The present invention provides a kind of phase-shift structure, including：Cavity, the Combining Circuit being arranged on cavity, the phase component being arranged in cavity；The cavity includes the first sub- cavity and the second sub- cavity, and the Combining Circuit is arranged between the described first sub- cavity and the second sub- cavity；The phase component includes the first frequency range phase component and the second frequency range phase component being respectively arranged in the first sub- cavity and the second sub- cavity, the Combining Circuit both sides are equipped with input terminal, and input terminal of the output terminal on the first frequency range phase component and the second frequency range phase component respectively with Combining Circuit both sides is connected.Using phase-shift structure provided by the invention, two frequency range phase components are respectively placed in different sub- chambers, improve the impact resistance of phase-shift structure, can preferably avoid introducing passive intermodulation product.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of phase-shift structure and antenna.
Background technology
With the development of mobile communication, multifrequency antenna plays an increasingly important role in the network coverage.Compared to
For other antenna for base station, existing multifrequency antenna size is larger, along with heavier-weight itself, can bring some problems：One
It is that antenna cross section is larger, wind load is big, can bring security risk in the severe antenna such as high wind, also increase difficulty of construction；Two
It is very high to the installing component intensity requirement of antenna, increases cost；Third, being discord when antenna is larger with surrounding environment, the public misses
Think radiation big and contradict installation, cause antenna addressing difficult.Therefore, the miniaturization of multifrequency antenna becomes a kind of trend.Shake
Submultiplex technology is multifrequency antenna miniaturization and a light-weighted conventional means, can be by traditional two independent array width
The form of frequency vibration submultiplex replaces, and antenna reduces the volume of about half.
The prior art is often connected using wideband vibrator with Combining Circuit, two separated frequency range respectively with phase shifter phase
Even, the effect of independent electrical tune is reached, but this mode needs to place the phase shifter of two frequency ranges, the electricity used in an array antenna
Cable is also twice of conventional aerial, is made troubles to antenna wiring.Or Combining Circuit is fixed on phase shifter, but this kind of side
Method can not reduce the quantity of cable and solder joint.
The content of the invention
The primary and foremost purpose of the present invention is to provide a kind of phase-shift structure, to reduce phase shifter size, reduction phase shifter cable
Quantity, improve the reliability of phase shifter.
In addition, the present invention also provides a kind of antenna, it uses above-mentioned phase-shift structure to be connected with radiating element, realizes different frequencies
Section angle of declination is separately adjustable.
To achieve these goals, the present invention provides following technical solution：
A kind of phase-shift structure, including：Cavity, the Combining Circuit being arranged on cavity, the phase shift being arranged in the cavity
Component；The cavity includes：First sub- cavity and the second sub- cavity, the Combining Circuit are arranged at the first sub- cavity and the second son
Between cavity；The phase component includes the first frequency range phase component being respectively arranged in the first sub- cavity and the second sub- cavity
With the second frequency range phase component, the Combining Circuit both sides are equipped with input terminal, the first frequency range phase component and the second frequency
Input terminal of the output terminal respectively with Combining Circuit both sides on section phase component is connected.
Preferably, the Combining Circuit includes at least one combiner, and the input port of the combiner both sides is same respectively
When connect corresponding output port on the first frequency range phase component and the second frequency range phase component.
Specifically, the quantity of the combiner is less than or equal to the first frequency range phase component and the second frequency range phase shift group
The minimum value of part output terminal.
Specifically, the described first sub- cavity and the second sub- cavity are additionally provided with easy to phase-shift circuit and Combining Circuit junction
The via hole passed through.
Specifically, the cavity further includes the connection structure of the first sub- cavity of connection and the second sub- cavity, the combining electricity
Road is arranged in the connection structure.
Specifically, it is additionally provided with the wiring groove for protecting coaxial cable in the connection structure, the wiring groove is along chamber
Body longitudinally extends, and the through hole passed through for the medium and inner wire of coaxial cable is provided with the wiring groove.
Preferably, the Combining Circuit is microstrip line construction.
Preferably, the open side of the described first sub- cavity and the second sub- cavity is provided with the fixing piece of fixed cavity.
Specifically, the first frequency range phase component and the second frequency range phase component include the first frequency range phase-shift circuit respectively
With the second frequency range phase-shift circuit, the first sub- cavity and the second sub- cavity are semi-closed structure, the first frequency range phase shift electricity
Road, the second frequency range phase-shift circuit and the Combining Circuit are arranged on same pcb board.
Specifically, the inside cavities wall is additionally provided with the card slot for fixing pcb board.
Specifically, at least one in the first frequency range phase component and the second frequency range phase component is medium phase shift knot
Structure, the medium phase-shift structure include：Phase-shift circuit and the move media for coordinating phase-shift circuit movement.
Specifically, the phase component has multiple, is electrically connected between two adjacent phase components.
Further, present invention also offers a kind of antenna, it includes the phase-shift structure described in any of the above-described technical solution.
Compared with prior art, the solution of the present invention has the following advantages that：
Phase-shift structure provided by the invention, is integrated the phase-shift circuit of two phase components and Combining Circuit by cavity
Come, reduce the volume of phase-shift structure；By the way that two frequency range phase components are respectively placed in different sub- chambers, phase-shift structure is improved
Impact resistance, while the solder joint of the cable welded on phase-shift structure can be protected, advantageously ensure that the electric of phase-shift structure
The stability of performance, compared with different frequency range phase shifter is placed in same cavity, can avoid introducing passive intermodulation product.
When phase-shift structure provided by the invention, the first sub- cavity and two sub- cavitys are semi-closed structure, by phase component
Phase-shift circuit and Combining Circuit are integrated on a pcb board, improve the integrated level of phase-shift structure, reduce the body of phase-shift structure
Product, while the quantity of component and cable is greatly reduced, easy to assemble and produce in enormous quantities.
Phase-shift structure provided by the invention, Combining Circuit therein use microstrip line construction, further reduce phase-shift structure
Volume, be easy to control using the impedance of microstrip line construction, it is possible to increase the antijamming capability of phase-shift structure.
Phase-shift structure provided by the invention, the cable on phase-shift structure cavity is contained by the wiring groove of cavity side, real
Now protect the purpose of line；The phase component of two frequency ranges is fastened securely on Antenna baseplate by cavity, is born above and below left and right
Front and rear impact force, improves the impact resistance of phase-shift structure.
In addition, antenna provided by the invention is improved on the basis of above-mentioned phase-shift structure, and therefore, the antenna
The natural succession all advantages of the phase-shift structure.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic perspective view of phase-shift structure provided by the invention.
Fig. 2 is the axial sectional diagrammatical view illustration of phase-shift structure provided by the invention.
Fig. 3 is the schematic perspective view of phase-shift structure second embodiment provided by the invention.
Fig. 4 is the axial sectional diagrammatical view illustration of phase-shift structure second embodiment provided by the invention.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
The present invention provides a kind of phase-shift structure, for integrating phase shifter and Combining Circuit, reduces the use of cable, simplifies day
Line is laid out.
The present invention provides one embodiment of phase-shift structure, its structure diagram please refers to Fig.1, Fig. 2.The present invention provides
Phase-shift structure include：Cavity 1, the Combining Circuit 4 being arranged on cavity 1, the phase component being arranged in the cavity 1, institute
Stating cavity 1 includes the first sub- 11 and second sub- cavity 12 of cavity, and the Combining Circuit 4 is arranged at the first sub- of cavity 11 and second
Between cavity 12；The first frequency range that the phase component includes being respectively arranged in the first sub- 11 and second sub- cavity 12 of cavity is moved
2 and second frequency range phase component 3 of phase component, 4 both sides of Combining Circuit are equipped with input terminal, the first frequency range phase component
2 and input terminal of second output terminal on frequency range phase component 3 respectively with 4 both sides of Combining Circuit be connected.
The cavity 1 includes integrated at least two sub- chambers, and the cavity can be the shape such as concave shape, I-shaped,
As long as meet that the cavity includes at least two relatively independent sub- chambers.
The preferably described cavity 1 of the embodiment of the present invention is concave shape, as shown in Fig. 2, the first frequency range phase component 2 is placed in
In first sub- chamber 11, the second frequency range phase shifter is placed in the second sub- chamber 12, the concave face of the Combining Circuit 4 and concave shape cavity
Fitting.
Combining Circuit 4 is arranged between the first frequency range phase component 2 and the second frequency range phase component 3, can be significantly
The length of the conducting wire of connection phase component and Combining Circuit is reduced, further, the input port of Combining Circuit 4 is arranged on two
Side, is connected easy to the output port nearby with phase shifter, reduces the use of cable, reduces the complexity of wiring.With Combining Circuit 4
It is arranged on the design on the outside of two phase shifters to compare, greatly reduces the usage quantity of cable, simplifies wiring.
The first frequency range phase component 2 includes at least one first frequency range phase shifter, the second frequency range phase shift group
Part 3 includes at least one second frequency range phase shifter, and the Combining Circuit 4 includes at least one combiner, the combiner both sides
Input port respectively at the same time connect corresponding output port on the first frequency range phase shifter and the second frequency range phase shifter.
At least there are a medium phase-shift structure in the first frequency range phase component 2 or the second frequency range phase component 3,
The medium phase-shift structure includes：Phase-shift circuit and the move media for coordinating the phase-shift circuit phase shift.I.e. described first frequency range
2 and second frequency range phase component 3 of phase component can include the shifting in medium phase-shift structure, or one of phase component
Phase device is conductor phase shifter, another is dielectric phase shifter, and the phase shifter in the first frequency range phase component 2 is conductor phase shifter,
Phase shifter in second frequency range phase component 3 is dielectric phase shifter, alternatively, the phase shifter in the first frequency range phase component 2 is Jie
Matter phase shifter, the phase shifter in the second frequency range phase component 3 is conductor phase shifter.The conductor phase shifter by it is U-shaped can
Mobile conductor band and phase shifter transmission line coupling length change, change the physical length of transmission path, cause microwave signal phase
Change.
Combining Circuit 4 between the first frequency range phase component 2 and the second frequency range phase component 3 is microstrip line construction.
Microstrip line is the microwave transmission line that plain conductor band of the branch on substrate is formed, with a kind of dielectric isolation between ground level
Open, the distance between thickness, width and ground level of the signal wire and characteristic impedance are controllable.The Combining Circuit 4 is adopted
Speed with microstrip line construction transmission signal is fast, small, strong antijamming capability, and reliability is high.
The preferred first frequency range phase component 2 and the second frequency range phase component 3 preferably include in the embodiment of the present invention
Dielectric phase shifter, the first frequency range phase component 2 include：The first frequency range phase-shift circuit of first frequency range phase-shift circuit 21 and cooperation
To change the first move media 22 of phase, first move media 22 is arranged on the upper of the first frequency range phase-shift circuit plate for 21 movements
Lower both sides；Second frequency range phase shifter 3 includes：Second frequency range phase-shift circuit 31 and the second frequency range phase-shift circuit 31 of cooperation are moved to change
Second move media 32 of changeable phases, second move media 32 are arranged on the both sides up and down of the second frequency range phase-shift circuit plate.Institute
Stating move media Combining Circuit can move axially along phase shifter, 22 and second move media 32 of the first move media
Shape size is unlimited.Change the output phase of 4 output terminal of Combining Circuit during being moved with move media.
First frequency range phase-shift circuit 21 and the second frequency range phase-shift circuit 22 provided by the invention preferably use PCB circuits, institute
State and be additionally provided with card slot 17 in concave shape cavity on the side wall of the circuit board, for fixed internal plate, make interior
Portion's circuit board is fixed in the cavity 1, improves the impact resistance of internal circuit board.First frequency range phase-shift circuit 21 and second
Frequency range phase-shift circuit 22 can also use metallic circuit, be supported with plastic part.To reduce the weight of phase component, while reduce manufacture
Cost.
In the present embodiment, the axial movement of the first move media 22 and the second move media 32 along phase shifter, utilizes
The fluting of PCB or the track for setting guide ledges to be moved as phase shifter on cavity.
The concave shape cavity 1 is closing or semi-closed structure, and the embodiment of the present invention is preferably by the concave shape cavity 1
Concave face is disposed on the same plane with 17 lower end of card slot.
In the embodiment of the present invention, the cavity is semi-closed structure, and the first frequency range phase-shift circuit 21, the second frequency range are moved
Circuitry phase 31 and the Combining Circuit 4 are arranged on same pcb board.First sub- 11 and second sub- chamber 12 of chamber is recessed close to cavity
The side in face is provided with shifting chute 16, is moved in the cavity for the pcb board, and the length of the shifting chute 16 is by the vertical of pcb board
Determined to length.Delivery outlet of two input ports of Combining Circuit 4 respectively with two phase shifters is connected by tie point.Described
One sub- 11 and second sub- chamber 12 of chamber is provided with conductance slot 13 above the shifting chute 16, for avoiding phase-shift circuit and combining electricity
The tie point on road, the size of the conductance slot 13 depend on the distance that the size of the tie point and PCB circuit board vertically move.
In order to strengthen the first of semi-closed structure the sub- sub- 12 support force of chamber of chamber 11 and second, and then preferably protect internal group
Part, the first sub- 11 and second sub- chamber 12 of chamber is equipped with fixing piece 14, the fixation in the both sides parallel to pcb board in the present embodiment
Part 14 can be welded post, for connecting the both sides up and down of the cavity by modes such as welding, will become apparent from fig. 2 described
Fixing piece 14 is only arranged at the first sub- chamber 11 close to the concave face side of concave shape cavity 1, it is contemplated that away from the concave face
Chamber side imperforation, therefore and be not provided with the fixing piece 14.
The first frequency range phase component 2 and the second frequency range phase component 3 work in different frequency ranges.By two different frequencies
The phase-shift circuit and Combining Circuit of the phase shifter of section are integrated on same circuit board, are reduced the quantity of component, are greatly reduced
The use of cable, while interference of the external environment to phase shifter is reduced, improve the reliability of phase shifter.
The phase-shift circuit of the phase shifter of different frequency range and Combining Circuit are produced on same pcb board, reduce phase shifter with
The quantity of the used external cable of Combining Circuit connection, reduces phase shifter and the solder joint of Combining Circuit component interconnection.
In the structure diagram of phase-shift structure shown in Fig. 1 and Fig. 2 provided by the invention, in the first frequency range phase-shift circuit 21
An input port 211 is provided with, for the input of the first frequency band signals, is also set up on the first frequency range phase-shift circuit 21
There is output port 212, the output port 212 is connected with the input terminal 42 of Combining Circuit 4；Similarly, the second frequency range phase shift electricity
Road 31 is provided with input port 311, for the input of the second frequency band signals, is additionally provided with output port 312, the output port
312 are connected with the input port 43 of Combining Circuit 4.
When first frequency range phase component 2 and the second frequency range phase component 3 work, the first frequency band signals are from the first frequency range phase shift
The input terminal 211 of circuit 21；The input terminal 311 of second frequency band signals from the second frequency range phase-shift circuit 31 inputs, two kinds of frequency range letters
The output terminal of number shifted device is input to Combining Circuit, and merging again output terminal 44 through Combining Circuit 4 exports signal.
The Combining Circuit 4 includes at least one combiner, and the quantity of the combiner can be with phase component output terminal
The quantity of mouth is equal.But in order to further reduce the cavity volume of phase-shift structure, the quantity of the combiner set in cavity is less than
Or the quantity equal to phase component output port, what deserves to be explained is, the number of the output port 212 of the first frequency range phase shifter
Amount and the quantity of the output port 312 of the second frequency range phase shifter can be unequal, then the quantity of the combiner be less than or
Equal to the minimum value of output port quantity in the first frequency range phase component 2 and the second frequency range phase component 3.
As shown in Figure 1, the cavity further includes the connection structure of the first sub- 11 and second sub- cavity 12 of cavity of connection, it is described
Combining Circuit is arranged in the connection structure, and 2 parallel wiring grooves 15 are additionally provided with the connection structure, described
Wiring groove 15 extends along cavity longitudinally, and the outer conductor for coaxial cable 5 welds, while protects what is welded on cavity 1
Coaxial cable, protective action is formed to the cable on the cavity.Some through holes are provided with the wiring groove 15, for coaxial
The medium and inner wire of cable 5 pass through, and the input port 211, second to form the first frequency range phase component 2 is welded with internal circuit
The input port 311 of frequency range phase shifter 3 and the delivery outlet 44 of Combining Circuit 4.The through hole 12 can be square, circular etc. any
Shape, number of openings are unlimited.
What deserves to be explained is multiple phase components can be included in phase-shift structure, between every group of phase component electrically
Connection, as shown in Figure 1, including the first frequency range phase component 2 and the second frequency range phase component 3 of three ports output, corresponding conjunction
The quantity of road electric appliance be 3, input signal by the first frequency range phase component 2 211 and second frequency range phase component 3 of input port
Input port 311 input after, be divided into two branches with power splitter, a branch is through the first combiner and external radiation unit phase
Even, a branch is connected with first order phase component input terminal, and the output terminal of first order phase component equally has two branches, and one
Bar branch is connected through the second combiner with external radiation unit, and another branch is connected with the input terminal of second level phase component,
The output terminal of second level phase component is connected through the 3rd combiner with external radiation unit, realizes three port phase shifts of different frequency range
Device it is highly integrated.Those skilled in that art could be aware that, can similarly form with the more of multiple phase components in this way
Port phase shifter, no matter the phase-shift structure includes how many phase component, containing how many output port, can be achieved different frequency range phase shift
Component it is highly integrated.
The phase component of different frequency range is placed in the sub- chamber of two semi-closed structures by the embodiment of the present invention respectively, is improved and is moved
The impact resistance of phase device, advantageously ensures that the stability of the electric property of phase-shift structure.It is meanwhile the phase shift of different frequency range is electric
Road and Combining Circuit are arranged on same pcb board, are incorporated phase-shift circuit and Combining Circuit, are improved the integrated level of phase-shift structure, subtract
The volume of small phase-shift structure, greatly reduces the use of cable, simplifies antenna arrangement.
Present invention also offers second of embodiment, its stereogram refers to Fig. 3.Phase shift knot provided in an embodiment of the present invention
Structure includes：Cavity 1, the Combining Circuit 4 on cavity 1, and the phase component inside the cavity 1, the cavity 1 wrap
The first sub- 11 and second sub- cavity 12 of cavity is included, the Combining Circuit 4 is arranged at the described first sub- 11 and second sub- cavity of cavity
Between 12；The phase component includes the first frequency range phase component 2 being respectively arranged in the first sub- cavity 11 and is arranged at institute
The second frequency range phase component 3 in the second sub- cavity 12 is stated, 4 both sides of Combining Circuit are equipped with input terminal, first frequency
The output terminal 312 of the 212 and second frequency range phase component 3 of output port of section phase component 2 is defeated with 4 both sides of Combining Circuit respectively
Enter end to be connected.
The preferably described cavity of the embodiment of the present invention is concave shape, as shown in figure 4, the first frequency range phase component 2 is placed in
In first sub- chamber 11, the second frequency range phase shifter is placed in the second sub- chamber 12, the concave face of the Combining Circuit 4 and concave shape cavity
Fitting.
The first frequency range phase component 2 includes at least one first frequency range phase shifter, the second frequency range phase shift group
Part 3 includes at least one second frequency range phase shifter, and the Combining Circuit 4 includes at least one combiner, and first frequency range is moved
At least there are a medium phase-shift structure, the medium phase-shift structure in 2 or second frequency range phase component 3 of phase component to include：
Phase-shift circuit and the move media for coordinating the phase-shift circuit phase shift.I.e. described first frequency range phase component 2 and the second frequency range are moved
The phase shifter that phase component 3 can include in medium phase-shift structure, or one of phase component is conductor phase shifter, another
A is dielectric phase shifter, and the phase shifter in the first frequency range phase component 2 is conductor phase shifter, in the second frequency range phase component 3
Phase shifter is dielectric phase shifter, alternatively, the phase shifter in the first frequency range phase component 2 is dielectric phase shifter, second frequency range
Phase shifter in phase component 3 is conductor phase shifter.The conductor phase shifter is transmitted by U-shaped movable conductors band and phase shifter
Line coupling length changes, and changes the physical length of transmission path, causes the change of microwave signal phase.
The first frequency range phase component 2 and the second frequency range phase component 3 work in different frequency ranges.The present embodiment is preferred
The first frequency range phase component 2 and the second frequency range phase component 3 include dielectric phase shifter, the first frequency range phase component
2 include：First frequency range phase-shift circuit 21 and the first frequency range phase-shift circuit 21 of cooperation are moved to change the first move media of phase
22, first move media 22 is arranged on the both sides up and down of the first frequency range phase-shift circuit plate；Second frequency range phase shifter 3 includes：The
Two frequency range phase-shift circuits 31 and the second frequency range phase-shift circuit 31 is coordinated to move to change the second move media 32 of phase, described the
Two move medias 32 are arranged on the both sides up and down of the second frequency range phase-shift circuit plate.The move media Combining Circuit can be along phase shift
Device moves axially, and the shape size of 22 and second move media 32 of the first move media is unlimited.As move media moves
During change 4 output terminal of Combining Circuit output phase.
Combining Circuit 4 provided in this embodiment is microstrip line construction.Speed using microstrip line construction transmission signal is fast, body
Small, the strong antijamming capability of product, reliability are high.
Unlike a upper embodiment, cavity 1 provided in this embodiment is enclosed construction, i.e., described first sub- chamber 11 with
Second sub- chamber 12 is in the side of close cavity concave face and is not provided with shifting chute 16, the first frequency range phase-shift circuit 21, the second frequency range
The circuit of phase-shift circuit 31 and Combining Circuit is respectively arranged on three pieces of independent pcb boards.
Since the first sub- 11 and second sub- chamber 12 of chamber is enclosed construction, the first sub- 11 and second sub- chamber 12 of chamber is hanging down
Directly in being equipped with card slot 17 on the madial wall in pcb board direction, for fixed internal plate, by the first frequency range phase-shift circuit plate and
The both ends of second frequency range phase-shift circuit plate are individually fixed on the card slot 17 of cavity 1, internal circuit board is fixed on the cavity 1
In, improve the impact resistance of internal circuit board.Likewise it is possible to card slot 17 is set or using weldering in the sub- cavity outer wall in both sides
The mode such as connect, bond and Combining Circuit 4 is fixed on concave shape cavity concave face.
The position that three pcb boards in different spaces are placed is unrestricted, and in order to simplify wiring technique, the present invention is real
Apply example and the first sub- chamber 11,17 lower end of card slot of the second sub- chamber 12 and the concave face of concave shape cavity are preferably arranged on same plane
On.
Since the first sub- 11 and second sub- chamber 12 of chamber is enclosed construction, cavity itself possesses enough support forces, therefore
In addition the present embodiment does not set fixing piece 14 to support the first sub- 11 and second sub- chamber 12 of chamber.
Further, since the first sub- 11 and second sub- chamber 12 of chamber is enclosed construction, the first frequency range phase component 2 and combining electricity
Connector 41 between road 4 can only connect the phase component and Combining Circuit 4 by the conductance slot 13.The connector 41
One end connection phase component delivery outlet, the other end connect Combining Circuit input port 42.The connector 41 is preferably gold
Belong to conductor.The input signal of the first frequency range phase component 2 and the second frequency range phase shifter 3 passes through respective input port respectively
211 and 311 inputs, input Combining Circuit 4 from respective delivery outlet 212 and 312 via connector 41, are closed by Combining Circuit 4
And the output port 44 through Combining Circuit 4 is output in external unit again afterwards.
Except above-mentioned difference, the position of miscellaneous part and effect are with upper one in phase-shift structure provided in an embodiment of the present invention
Embodiment is identical, and details are not described herein.
Similarly, phase-shift structure provided by the invention can also include multistage phase component, phase shift group described in two-stage neighboring
It is electrically connected between part, includes the first frequency range phase component 2 and the second frequency range phase component 3 of the output of three ports, corresponding conjunction
The quantity of road device is 3, input signal by the first frequency range phase component 2 input port 211 and second frequency range phase component 3
After input port 311 inputs, it is divided into two branches with power splitter, a branch is through the first combiner and external radiation unit phase
Even, a branch is connected with first order phase component input terminal, and the output terminal of first order phase component equally has two branches, and one
Bar branch is connected through the second combiner with external radiation unit, and another branch is connected with the input terminal of second level phase component,
The output terminal of second level phase component is connected through the 3rd combiner with external radiation unit, realizes three port phase shifts of different frequency range
Device it is highly integrated.Those skilled in that art could be aware that, can similarly form with the more of multiple phase components in this way
Port phase-shift structure, no matter the phase-shift structure includes how many phase component, containing how many output port, can be achieved different frequency range and moves
Phase device it is highly integrated.
The embodiment of the present invention improves phase shifter in the sub- chamber that the phase shifter of different frequency range is placed in two closings respectively
Impact resistance, while the solder joint of the cable welded on phase-shift structure can be protected, advantageously ensure that the electrical resistance of phase-shift structure
The stability of energy, compared with a upper embodiment, preferably avoids introducing passive intermodulation product.In addition, the embodiment of the present invention utilizes
The card slot that inside cavities are set is used for the fixation of phase shifter PCB, process is saved, easy to assemble and produce in enormous quantities.
What deserves to be explained is phase-shift structure provided by the invention, the phase component is not limited in including the first frequency range
2 and second frequency range phase component 3 of phase component, can also include the phase shifter more than two frequency ranges, such as the 3rd frequency range phase shifter
And the 4th frequency range phase shifter.The quantity and connection mode of the quantity of corresponding adjustment Combining Circuit and the input terminal of circuit.
Further, the making of cavity 1 is integrally formed using pultrusion mode, simple process, the work with conventional column cavity
Skill reduces production cost, easy to produce in enormous quantities compared to process is greatly reduced.
Phase-shift structure provided by the invention, by cavity by circuit integrated of the phase-shift circuit of phase shifter and Combining Circuit
Come, reduce the volume of phase-shift structure, improve the impact resistance of phase shifter, while the cable welded on phase-shift structure can be protected
Solder joint, the stability of the electric property of phase-shift structure is advantageously ensured that, with different frequency range phase shifter is placed in same cavity
Compare, can preferably avoid introducing passive intermodulation product.
Further, present invention also offers a kind of antenna, the antenna to include the phase shift described in above-mentioned technical proposal
Structure and the radiating element being connected with the public output 44 of the Combining Circuit 4 of the phase-shift structure.
The radiating element of the antenna is connected with phase-shift structure output terminal, and passes through the first frequency range phase component and the second frequency
Section phase shifter realizes that the angle of declination of different frequency range is separately adjustable.
Further, present invention also offers a kind of base station, the base station to include the antenna described in above-mentioned technical proposal,
Since the base station and antenna are all improved on the basis of above-mentioned phase-shift structure, the phase-shift structure has been adopted as heir naturally
The advantages of, details are not described herein.
The above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (13)
- A kind of 1. phase-shift structure, it is characterised in that including：Cavity, the Combining Circuit being arranged on cavity, is arranged in cavity Phase component；The cavity includes the first sub- cavity and the second sub- cavity, and the Combining Circuit is arranged at the first sub- cavity and Between two sub- cavitys；The phase component includes the first frequency range phase shift being respectively arranged in the first sub- cavity and the second sub- cavity Component and the second frequency range phase component, the Combining Circuit both sides are equipped with input terminal, the first frequency range phase component and Input terminal of the output terminal respectively with Combining Circuit both sides on two frequency range phase components is connected.
- 2. phase-shift structure according to claim 1, it is characterised in that the Combining Circuit includes at least one combiner, The input port of the combiner both sides is connected on the first frequency range phase component and the second frequency range phase component at the same time respectively Corresponding output port.
- 3. phase-shift structure according to claim 2, it is characterised in that the quantity of the combiner is less than or equal to described the The minimum value of one frequency range phase component and the second frequency range phase component output terminal.
- 4. phase-shift structure according to claim 1, it is characterised in that the first sub- cavity and the second sub- cavity are also set up There is the via hole passed through easy to phase-shift circuit with Combining Circuit junction.
- 5. phase-shift structure according to claim 1, it is characterised in that the cavity further includes the first sub- cavity of connection and the The connection structure of two sub- cavitys, the Combining Circuit are arranged in the connection structure.
- 6. phase-shift structure according to claim 5, it is characterised in that be additionally provided with the connection structure coaxial for setting The wiring groove of cable, the wiring groove extend along cavity longitudinally, are provided with the wiring groove for coaxial cable The through hole that medium and inner wire pass through.
- 7. phase-shift structure according to claim 1, it is characterised in that the Combining Circuit is microstrip line construction.
- 8. according to any phase-shift structure of claim 1, it is characterised in that the first sub- cavity and the second sub- cavity Open side is provided with the fixing piece of fixed cavity.
- 9. phase-shift structure according to any one of claims 1 to 8, it is characterised in that the first frequency range phase component and Two frequency range phase components include the first frequency range phase-shift circuit and the second frequency range phase-shift circuit, the first sub- cavity and second respectively Sub- cavity is semi-closed structure, and the first frequency range phase-shift circuit, the second frequency range phase-shift circuit and the Combining Circuit are arranged at On same pcb board.
- 10. phase-shift structure according to claim 9, it is characterised in that the inside cavities wall is additionally provided with for fixing PCB The card slot of plate.
- 11. phase-shift structure according to claim 9, it is characterised in that the first frequency range phase component and two frequency ranges are moved At least one in phase component is medium phase-shift structure, and the medium phase-shift structure includes：The movement of movement is matched with phase-shift circuit Medium.
- 12. phase-shift structure according to any one of claims 1 to 8, it is characterised in that the phase component have it is multiple, two It is electrically connected between the adjacent phase component.
- 13. a kind of antenna, it is characterised in that including such as claim 1 to 12 any one of them phase-shift structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479528.1A CN107968239A (en) | 2017-12-29 | 2017-12-29 | Phase-shift structure and antenna |
| PCT/CN2018/097595 WO2019128218A1 (en) | 2017-12-29 | 2018-07-27 | Phase shifting structure and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479528.1A CN107968239A (en) | 2017-12-29 | 2017-12-29 | Phase-shift structure and antenna |
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| CN107968239A true CN107968239A (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711479528.1A Pending CN107968239A (en) | 2017-12-29 | 2017-12-29 | Phase-shift structure and antenna |
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| Country | Link |
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| CN (1) | CN107968239A (en) |
| WO (1) | WO2019128218A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128216A1 (en) * | 2017-12-29 | 2019-07-04 | 京信通信系统（中国）有限公司 | Phase shifting structure and antenna |
| WO2019128218A1 (en) * | 2017-12-29 | 2019-07-04 | 京信通信系统（中国）有限公司 | Phase shifting structure and antenna |
| CN109994809A (en) * | 2019-04-23 | 2019-07-09 | 京信通信技术(广州)有限公司 | Composite network microwave device and its microwave device cavity |
| CN110085953A (en) * | 2019-05-28 | 2019-08-02 | 京信通信技术(广州)有限公司 | Composite network microwave device and antenna |
| CN110277611A (en) * | 2019-06-25 | 2019-09-24 | 华南理工大学 | It is combined phase shifter |
| CN110661102A (en) * | 2019-09-29 | 2020-01-07 | 华南理工大学 | Phase shifting device and base station antenna |
| WO2020228688A1 (en) * | 2019-05-13 | 2020-11-19 | 华为技术有限公司 | Phase shifter, array antenna, and base station |
| CN113241520A (en) * | 2021-03-22 | 2021-08-10 | 广东通宇通讯股份有限公司 | Array antenna |
| CN115411527A (en) * | 2022-04-27 | 2022-11-29 | 江苏亨鑫科技有限公司 | Integrated feed network device applied to converged base station antenna |
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| CN103975485A (en) * | 2013-12-02 | 2014-08-06 | 广东通宇通讯股份有限公司 | Base station antenna feed network |
| CN106654494A (en) * | 2016-09-28 | 2017-05-10 | 武汉虹信通信技术有限责任公司 | Dual-system phase shift combining module and separate electronic tilting antenna |
| CN106972267A (en) * | 2017-04-28 | 2017-07-21 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter applied to antenna for base station |
| CN207624876U (en) * | 2017-12-29 | 2018-07-17 | 京信通信系统（中国）有限公司 | Phase-shift structure and antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107968239A (en) * | 2017-12-29 | 2018-04-27 | 京信通信系统（中国）有限公司 | Phase-shift structure and antenna |
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- 2017-12-29 CN CN201711479528.1A patent/CN107968239A/en active Pending
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- 2018-07-27 WO PCT/CN2018/097595 patent/WO2019128218A1/en active Application Filing
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| CN103975485A (en) * | 2013-12-02 | 2014-08-06 | 广东通宇通讯股份有限公司 | Base station antenna feed network |
| CN106654494A (en) * | 2016-09-28 | 2017-05-10 | 武汉虹信通信技术有限责任公司 | Dual-system phase shift combining module and separate electronic tilting antenna |
| CN106972267A (en) * | 2017-04-28 | 2017-07-21 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter applied to antenna for base station |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128218A1 (en) * | 2017-12-29 | 2019-07-04 | 京信通信系统（中国）有限公司 | Phase shifting structure and antenna |
| WO2019128216A1 (en) * | 2017-12-29 | 2019-07-04 | 京信通信系统（中国）有限公司 | Phase shifting structure and antenna |
| WO2020215660A1 (en) * | 2019-04-23 | 2020-10-29 | 京信通信技术(广州)有限公司 | Composite network microwave device and microwave device cavity thereof |
| CN109994809A (en) * | 2019-04-23 | 2019-07-09 | 京信通信技术(广州)有限公司 | Composite network microwave device and its microwave device cavity |
| WO2020228688A1 (en) * | 2019-05-13 | 2020-11-19 | 华为技术有限公司 | Phase shifter, array antenna, and base station |
| CN110085953A (en) * | 2019-05-28 | 2019-08-02 | 京信通信技术(广州)有限公司 | Composite network microwave device and antenna |
| CN110277611A (en) * | 2019-06-25 | 2019-09-24 | 华南理工大学 | It is combined phase shifter |
| CN110661102A (en) * | 2019-09-29 | 2020-01-07 | 华南理工大学 | Phase shifting device and base station antenna |
| CN110661102B (en) * | 2019-09-29 | 2021-05-07 | 华南理工大学 | Phase shifting device and base station antenna |
| CN113241520A (en) * | 2021-03-22 | 2021-08-10 | 广东通宇通讯股份有限公司 | Array antenna |
| CN113241520B (en) * | 2021-03-22 | 2023-04-14 | 广东通宇通讯股份有限公司 | Array antenna |
| CN115411527A (en) * | 2022-04-27 | 2022-11-29 | 江苏亨鑫科技有限公司 | Integrated feed network device applied to converged base station antenna |
| CN115411527B (en) * | 2022-04-27 | 2023-08-04 | 江苏亨鑫科技有限公司 | Device applied to integrated feed network fusing base station antennas |
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| Publication number | Publication date |
|---|---|
| WO2019128218A1 (en) | 2019-07-04 |
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Effective date of registration: 20200120 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Applicant after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Applicant before: Jingxin Communication System (China) Co., Ltd. Applicant before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Applicant before: Jingxin Communication System (Guangzhou) Co., Ltd. Applicant before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
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Application publication date: 20180427 |