CN111342175A - Stripline phase shifter and antenna - Google Patents
Stripline phase shifter and antenna Download PDFInfo
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- CN111342175A CN111342175A CN202010172996.XA CN202010172996A CN111342175A CN 111342175 A CN111342175 A CN 111342175A CN 202010172996 A CN202010172996 A CN 202010172996A CN 111342175 A CN111342175 A CN 111342175A
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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
- H01P1/184—Strip line 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
- H01Q3/32—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 by mechanical means
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention relates to a strip line phase shifter, which comprises a conductor and a dielectric block, wherein a first arc conductor part, a second arc conductor part and an input conductor part are integrally formed on the conductor; the input conductor part is communicated with the first arc conductor part, and the second arc conductor part is communicated with the first arc conductor part; the hinged end of the dielectric block is rotatably connected with the input conductor part, the rotating end of the dielectric block can rotate relative to the hinged end of the dielectric block, a first clamping surface and a second clamping surface are formed on the dielectric block, and the arc part of the first arc conductor part and the arc part of the second arc conductor part are both positioned between the first clamping surface and the second clamping surface and are overlapped with the first clamping surface and the second clamping surface. The phase shifter has the characteristics of low production cost, good durability, good stability of realizing phase shifting of input signals in use and the like. The invention also relates to an antenna.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a strip line phase shifter; the invention also relates to an antenna.
Background
The phase shifter can control the change of the signal phase and is a key component in the antenna of the wireless communication base station. The phase shifter can shift the phase of the input signal, change the relative phase of the signal between the antenna units and adjust the downtilt angle of the antenna beam, so as to facilitate the optimization of the communication network.
Most of the phase shifters in the current market are as in chinese patent No. 201280000208.2 and a technical solution named "phase shifter and antenna", and the phase shifter in this solution includes an arc conductor component and a coupling arm component arranged along the arc conductor component in a swinging manner, where the arc conductor component includes: the first arc conductor and the second arc conductor are concentrically arranged; the coupling arm assembly includes: the first coupling arm and the second coupling arm are arranged in a spaced-apart manner; the first end of the first coupling arm is lapped on the first arc conductor, and the second end of the first coupling arm is an input end of an input signal; the first end of the second coupling arm is lapped on the first arc conductor, and the second end of the second coupling arm is lapped on the second arc conductor; the first coupling arm and the second coupling arm are lapped at different positions of the first arc conductor, and capacitive coupling electric connection is formed between each coupling arm and the arc conductor at the lapping position. The phase shifter is characterized in that the capacitive coupling electric connection position of the first coupling arm and the first arc conductor and the capacitive coupling electric connection position of the second coupling arm and the second arc conductor are changed, so that the first arc conductor and the second arc conductor are conducted, and the phases of signal output ends of the first arc conductor and the second arc conductor are changed.
Disclosure of Invention
The invention aims to provide a strip line phase shifter which has the advantages of simple structure, reasonable design, low production cost, good durability, good stability of realizing phase shifting of input signals in use and the like.
The technical scheme of the invention is realized as follows: a stripline phase shifter characterized by comprising a conductor and a dielectric block, wherein:
a first arc conductor part, a second arc conductor part and an input conductor part are integrally formed on the conductor part, a first signal output end is formed at one end of the first arc conductor part, and a second signal output end is formed at the other end of the first arc conductor part;
a third signal output end is formed at one end of the second arc conductor part, a fourth signal output end is formed at the other end of the second arc conductor part, the arc part of the second arc conductor part and the arc part of the first arc conductor part are concentrically arranged, and the first arc conductor part is positioned between the second arc conductor part and the input conductor part;
the input conductor part is provided with a signal input end, the input conductor part is communicated with the arc part of the first arc conductor part, and the arc part of the second arc conductor part is communicated with the arc part of the first arc conductor part;
the dielectric block is made into a fan-shaped structure, one end of the center of the dielectric block is a hinged end, one end of the arc edge of the dielectric block is a rotating end, the hinged end of the dielectric block is rotatably connected with the input conductor part together, so that the rotating end of the dielectric block can rotate relative to the hinged end of the dielectric block, a first clamping face and a second clamping face are formed between the hinged end and the rotating end of the dielectric block, the first clamping face and the second clamping face are oppositely and parallelly arranged, the arc part of the first arc conductor part and the arc part of the second arc conductor part are both positioned between the first clamping face and the second clamping face, and the arc part of the first arc conductor part and the arc part of the second arc conductor part are both overlapped with the first clamping face and the second clamping face.
Further, the radius of the circular arc portion of the second circular arc conductor portion is twice the radius of the circular arc portion of the first circular arc conductor portion.
Furthermore, a third arc conductor part is integrally formed on the conductor part, the second arc conductor part is positioned between the third arc conductor part and the first arc conductor part, a fifth signal output end is formed at one end of the third arc conductor part, a sixth signal output end is formed at the other end of the third arc conductor part, the arc part of the third arc conductor part and the arc part of the second arc conductor part are concentrically arranged, and the arc part of the third arc conductor part is communicated with the arc part of the second arc conductor part; the arc part of the third arc conductor part is positioned between the first clamping surface and the second clamping surface, and the arc part of the third arc conductor part is also partially overlapped with the first clamping surface and the second clamping surface.
Still further, the radius of the arc portion of the third arc conductor portion is three times the radius of the arc portion of the first arc conductor portion.
This stripline moves looks ware's beneficial effect: a first arc conductor part, a second arc conductor part and an input conductor part are integrally formed on a conductor part of the strip line phase shifter, and the first arc conductor part and the second arc conductor part are directly communicated with each other and the first arc conductor part and the input conductor part are directly communicated with each other. In the using process, when the output signals of the first signal output end and the second signal output end of the first circular arc conductor part, the third signal output end and the fourth signal output end of the second circular arc conductor part need to be phase shifted, only the rotating end of the dielectric block needs to be pushed to enable the dielectric block to swing relative to the hinged end, if the dielectric block deviates towards the direction of the first signal output end and the third signal output end of the conductor part, the area of the dielectric block covering the first circular arc conductor part and the area of the second circular arc conductor part close to the first signal output end and the area of the third signal output end can be enlarged, so that the signal input from the input conductor part can lag a certain phase position after being output by the first signal output end of the first circular arc conductor part and the third signal output end of the second circular arc conductor part and before being not moved relative to the dielectric block, and correspondingly, the dielectric block covering the first circular arc conductor part and the second circular arc conductor part close to the second signal output end, The area of the fourth signal output end can be reduced, so that the signal input from the input conductor part can advance a certain phase before the signal is output by the second signal output end of the first circular arc conductor part and the fourth signal output end of the second circular arc conductor part and does not move relative to the dielectric block, and the stripline phase shifter has the advantages of simple structure, reasonable design, low production cost, good durability, good stability of shifting the phase of the input signal in use and the like.
The invention also provides an antenna which has the advantages of simple structure, reasonable design, good signal stability and the like.
The technical scheme of the antenna is realized as follows: an antenna is characterized by comprising a phase shifter, wherein each signal output end of the phase shifter is respectively connected with an antenna unit; the phase shifter is the strip line phase shifter in the scheme.
The antenna has the beneficial effects that: the antenna is a strip line phase shifter in the former scheme by adopting the phase shifter, and the signal input into the antenna unit from the signal output end of the phase shifter in the antenna is more stable by adopting the phase shifter, so that the antenna has the advantages of simple structure, reasonable design, good signal stability and the like.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic structural view of fig. 1 after being horizontally turned by 180 °.
Fig. 3 is a schematic structural view of a conductor in example 1.
Fig. 4 is a schematic structural diagram of embodiment 1 in application.
Fig. 5 is a schematic structural view of embodiment 2.
Fig. 6 is a schematic structural view of fig. 5 after being horizontally turned by 180 °.
Fig. 7 is a schematic structural view of a conductor member in embodiment 2.
Description of reference numerals: 1-a conductor; 11-an input conductor portion; 111-signal input; 112-a seventh signal output; 12-a first circular arc conductor portion; 121-a first signal output; 122-a second signal output; 13-a second circular arc conductor portion; 131-a third signal output; 132-a fourth signal output; 14-connecting conductor portions; 2-a dielectric block; 21-a first clamping surface; 22-a second clamping surface; 23-a first low dielectric constant portion; 24-a second low dielectric constant portion; 25-a third low dielectric constant portion; 26-a fourth low dielectric constant portion; 10-a metal plate body;
3-a conductor; 31-a third arc conductor portion; 311-a fifth signal output; 312-a sixth signal output; 32-a second circular arc conductor portion; 33-a first circular arc conductor portion; 331-a first signal output; 332-a second signal output; 4-a dielectric block; 41-a first clamping surface; 42-a second clamping surface; 43-a fifth low dielectric constant portion; 44-sixth low dielectric constant portion.
Detailed Description
Example 1
As shown in fig. 1, 2 and 3, the present embodiment is a stripline phase shifter, including a conductor 1 and a dielectric block 2, wherein:
a first arc conductor part 12, a second arc conductor part 13 and an input conductor part 11 are integrally formed on the conductor part 1, a first signal output end 121 is formed at one end of the first arc conductor part 12, and a second signal output end 122 is formed at the other end of the first arc conductor part 12;
a third signal output end 131 is formed at one end of the second arc conductor part 13, a fourth signal output end 132 is formed at the other end of the second arc conductor part 13, the arc part of the second arc conductor part 13 and the arc part of the first arc conductor part 12 are concentrically arranged, and the first arc conductor part 12 is positioned between the second arc conductor part 13 and the input conductor part 11;
a signal input end 111 is formed on the input conductor part 11, the input conductor part 11 is conducted with the arc part of the first arc conductor part 12, and the arc part of the second arc conductor part 13 is conducted with the arc part of the first arc conductor part 12;
the dielectric block 2 is made into a fan-shaped structure, one end of the dielectric block 2 where the center of a circle is located is a hinged end, one end of the dielectric block 2 where an arc edge is located is a rotating end, the hinged end of the dielectric block 2 is rotatably connected with the input conductor part 11, so that the rotating end of the dielectric block 2 can rotate relative to the hinged end of the dielectric block, a first clamping face 21 and a second clamping face 22 are formed between the hinged end and the rotating end of the dielectric block 2, the first clamping face 21 and the second clamping face 22 are arranged oppositely and parallelly, the arc part of the first arc conductor part 12 and the arc part of the second arc conductor part 13 are both located between the first clamping face 21 and the second clamping face 22, and the arc part of the first arc conductor part 12 and the arc part of the second arc conductor part 13 are both partially overlapped with the first clamping face 21 and the second clamping face 22. As shown in fig. 4, in use, the strip line phase shifter is sandwiched between 2 metal plate bodies 10 arranged in parallel, and a feeder line for inputting signals is connected such that an inner core of the feeder line is conducted with a signal input end 111 of an input conductor 1, and a metal outer layer of the feeder line is simultaneously conducted with the 2 metal plate bodies 10.
As shown in fig. 1, 2, and 3, in the present stripline phase shifter, the conductor 1 is integrally formed with the first arc conductor portion 12, the second arc conductor portion 13, and the input conductor portion 11, and the first arc conductor portion 12 and the second arc conductor portion 13, and the first arc conductor portion 12 and the input conductor portion 11 are directly electrically connected to each other. In the using process, when the output signals of the first signal output end 121 and the second signal output end 122 of the first circular arc conductor part 12 and the third signal output end 131 and the fourth signal output end 132 of the second circular arc conductor part 13 need to be phase-shifted, only the rotating end of the dielectric block 2 needs to be pushed to swing relative to the hinged end, for example, if the dielectric block 2 is shifted towards the direction of the first signal output end 121 and the third signal output end 131 of the conductor member 1, the area of the dielectric block 2 covering the first circular arc conductor part 12 and the second circular arc conductor part 13 close to the first signal output end 121 and the third signal output end 131 will be enlarged, so that the signal input from the input conductor part 11 will lag behind a certain phase before the signal is not shifted relative to the dielectric block 2 after being output from the first signal output end 121 of the first circular arc conductor part 12 and the third signal output end 131 of the second circular arc conductor part 13, correspondingly, the area of the dielectric block 2 covering the first arc conductor part 12, the second arc conductor part 13 close to the second signal output end 122 and the fourth signal output end 132 will be reduced, so that the signal inputted from the input conductor part 11 will advance a certain phase before the signal is outputted at the second signal output end 122 of the first arc conductor part 12 and the fourth signal output end 132 of the second arc conductor part 13 relative to the dielectric block 2 without moving.
In order to make the structure of the stripline phase shifter more reasonable, as shown in fig. 1, 2, and 3, the width D1 of the first circular-arc conductor portion 12 is the same as the width D2 of the second circular-arc conductor portion 13, and the radius of the circular-arc portion of the second circular-arc conductor portion 13 is twice the radius of the circular-arc portion of the first circular-arc conductor portion 12. In this way, when the rotation end of the dielectric block 2 is shifted toward the first signal output end 121 and the third signal output end 131 of the conductor member 1 during use, the lagging phase of the signal output by the third signal output end 131 is 2 times the lagging phase of the signal output by the first signal output end 121, and correspondingly, the leading phase of the signal output by the fourth signal output end 132 is 2 times the leading phase of the signal output by the second signal output end 122.
In order to make the stripline phase shifter have better impedance matching, as shown in fig. 1, 2 and 3, 2 first low- k portions 23 and 2 second low-k portions 24 are formed on one surface of the dielectric block 2, the first low-k portions 23 and the second low-k portions 24 may be formed by one or more through holes or one or more blind holes, the first low-k portions 23 and the second low-k portions 24 of the present embodiment are specifically through holes communicating with the first clamping surface 21, 2 third low- k portions 25 and 2 fourth low-k portions 26 are formed on the other surface of the dielectric block 2, the third low-k portions 25 and the fourth low-k portions 26 may be formed by one or more through holes or one or more blind holes, the third low- k portions 25, 24, The fourth low dielectric constant portion 26 is specifically a through hole communicating with the second sandwiching surface 22; the 2 first low dielectric constant portions 23 are symmetrically arranged with the center line L1 of the sector surface of the dielectric block 2 as the center, the 2 second low dielectric constant portions 24 are symmetrically arranged with the center line L1 of the sector surface of the dielectric block 2 as the center, the 2 third low dielectric constant portions 25 are symmetrically arranged with the center line L1 of the sector surface of the dielectric block 2 as the center, and the 2 fourth low dielectric constant portions 26 are symmetrically arranged with the center line L1 of the sector surface of the dielectric block 2 as the center; the 2 first low dielectric constant portions 23 and the 2 third low dielectric constant portions 25 are aligned one by one, and the 2 second low dielectric constant portions 24 and the 2 fourth low dielectric constant portions 26 are also aligned one by one; the arc portion of the first arc conductor portion 12 is sandwiched between the first low dielectric constant portion 23 and the third low dielectric constant portion 25; the arc portion of the second arc conductor portion 13 is sandwiched between the second low dielectric constant portion 24 and the fourth low dielectric constant portion 26. The strip line phase shifter is designed by forming 2 first low dielectric constant parts 23, 2 second low dielectric constant parts 24, 2 third low dielectric constant parts 25 and 2 fourth low dielectric constant parts 26 on the dielectric block 2, when in use, the matching of the area between the 2 first low dielectric constant parts 23 and the area between the 2 third low dielectric constant parts 25 on the dielectric block 2 acts on the partial area of the first circular arc conductor part 12, and the matching of the area between the 2 second low dielectric constant parts 24 and the area between the 2 fourth low dielectric constant parts 26 acts on the partial area of the second circular arc conductor part 13, thereby improving impedance matching and enabling the output signal of the strip line phase shifter to be more accurately shifted.
In order to enable the stripline phase shifter to output a signal in phase with an input signal when the stripline phase shifter is used, so as to meet the requirements of users, as shown in fig. 1, 2 and 3, a seventh signal output end 112 which is conducted with a signal input end 111 is further formed on the input conductor part 11, a part between the signal input end 111 and the seventh signal output end 112 on the input conductor part 11 is conducted with an arc part of the first arc conductor part 12 through a connecting conductor part 14, the seventh signal output end 112 can output a signal with a phase fixed relative to the signal input end 111 when the stripline phase shifter is used, and a hinged end of the dielectric block 2 is rotatably connected with the connecting conductor part 14.
In order to make the structure of the dielectric block 2 more reasonable, as shown in fig. 1 and 2, the central angle a of the dielectric block 2 is in the range of 30 ° to 150 °, and the hinged end of the dielectric block 2 is hinged to the center of the circular arc portion of the first circular arc conductor part 12. The dielectric block 2 is made of a material having a dielectric constant in the range of 2 to 10.
Example 2
The present embodiment is different from embodiment 1 in that: as shown in fig. 5, 6 and 7, the conductor 3 is further integrally formed with a third arc conductor portion 31, the second arc conductor portion 32 is located between the third arc conductor portion 31 and the first arc conductor portion 33, a fifth signal output end 311 is formed at one end of the third arc conductor portion 31, a sixth signal output end 312 is formed at the other end of the third arc conductor portion 31, the arc portion of the third arc conductor portion 31 and the arc portion of the second arc conductor portion 32 are concentrically arranged, and the arc portion of the third arc conductor portion 31 and the arc portion of the second arc conductor portion 32 are conducted; the arc portion of the third arc conductor 31 is located between the first clamping surface 41 and the second clamping surface 42, and the arc portion of the third arc conductor 31 is also partially overlapped with the first clamping surface 41 and the second clamping surface 42. By integrally forming the third arc conductor part 31 on the conductor part 3, the stripline phase shifter of the present embodiment can realize more signal outputs with different phases, and meet the requirements of users.
In order to make the structure of the stripline phase shifter more reasonable and avoid signal interference between the third arc conductor portion 31 and the second arc conductor portion 32, as shown in fig. 5, 6, and 7, the width E1 of the third arc conductor portion 31 is the same as the width E2 of the second arc conductor portion 32, and the radius of the arc portion of the third arc conductor portion 31 is three times the radius of the arc portion of the first arc conductor portion 33. With such a design, when the rotation end of the dielectric block 4 is shifted toward the fifth signal output terminal 311 during use, the lagging phase of the signal output from the fifth signal output terminal 311 is 3 times the lagging phase of the signal output from the first signal output terminal 331, and correspondingly, the leading phase of the signal output from the sixth signal output terminal 312 is 3 times the leading phase of the signal output from the second signal output terminal 332.
In order to make the stripline phase shifter have better impedance matching, as shown in fig. 5 and 6, 2 fifth low-k portions 43 are further formed on one surface of the dielectric block 4, the fifth low-k portions 43 may be formed by one or more through holes or one or more blind holes, the fifth low-k portion 43 of the present embodiment is specifically a through hole communicating with the first clamping surface 41, 2 sixth low-k portions 44 are formed on the other surface of the dielectric block 4, the sixth low-k portions 44 may be formed by one or more through holes or one or more blind holes, the sixth low-k portion 44 of the present embodiment is specifically a through hole communicating with the second clamping surface 42, the 2 fifth low-k portions 43 are symmetrically arranged with the center line L1 of the fan-shaped surface of the dielectric block 4 as the center, and the 2 sixth low-k portions 44 are also symmetrically arranged with the center line L1 of the fan-shaped surface of the dielectric block 4 as the center Setting; the 2 fifth low dielectric constant portions 43 and the 2 sixth low dielectric constant portions 44 are directly opposite to each other; the arc portion of the third arc conductor portion 31 is sandwiched between the fifth low dielectric constant portion 43 and the sixth low dielectric constant portion 44. This stripline phase shifter is through being formed with 2 fifth low dielectric constant parts 43, 2 sixth low dielectric constant parts 44's design on dielectric block 4, and the regional cooperation between the regional between 2 fifth low dielectric constant parts 43 and 2 sixth low dielectric constant parts 44 on dielectric block 4 plays a role to the partial region of third circular arc conductor portion 31 when using, and then has improved impedance match, makes this stripline phase shifter's output signal shift phase more accurate.
Example 3
The present embodiment is an antenna (the antenna is not shown in the drawings), which includes a phase shifter, and each signal output end of the phase shifter is connected with an antenna unit; the phase shifter is the stripline phase shifter described in embodiment 1. When the phase shifter is used, the phases of the signal output ends of the first and second arc conductor parts of the phase shifter can be changed by rotating the dielectric block of the phase shifter, and the signal input into the antenna unit from the signal output end of the phase shifter in this embodiment is more stable by adopting the phase shifter described in embodiment 1, so that the antenna has the advantages of simple structure, reasonable design, good signal stability and the like.
Example 4
The present embodiment is an antenna (the antenna is not shown in the drawings), which includes a phase shifter, and each signal output end of the phase shifter is connected with an antenna unit; the phase shifter is the stripline phase shifter described in embodiment 2. Compared with embodiment 3, the phase shifter in this embodiment has more signal output terminals, so that the phase shifter can output more signals with different phases, and the antenna in this embodiment can be connected with more antenna units, thereby meeting the requirements during use.
Claims (10)
1. A stripline phase shifter, characterized by: including conductor and dielectric block, wherein:
a first arc conductor part, a second arc conductor part and an input conductor part are integrally formed on the conductor part, a first signal output end is formed at one end of the first arc conductor part, and a second signal output end is formed at the other end of the first arc conductor part;
a third signal output end is formed at one end of the second arc conductor part, a fourth signal output end is formed at the other end of the second arc conductor part, the arc part of the second arc conductor part and the arc part of the first arc conductor part are concentrically arranged, and the first arc conductor part is positioned between the second arc conductor part and the input conductor part;
the input conductor part is provided with a signal input end, the input conductor part is communicated with the arc part of the first arc conductor part, and the arc part of the second arc conductor part is communicated with the arc part of the first arc conductor part;
the dielectric block is made into a fan-shaped structure, one end of the center of the dielectric block is a hinged end, one end of the arc edge of the dielectric block is a rotating end, the hinged end of the dielectric block is rotatably connected with the input conductor part together, so that the rotating end of the dielectric block can rotate relative to the hinged end of the dielectric block, a first clamping face and a second clamping face are formed between the hinged end and the rotating end of the dielectric block, the first clamping face and the second clamping face are oppositely and parallelly arranged, the arc part of the first arc conductor part and the arc part of the second arc conductor part are both positioned between the first clamping face and the second clamping face, and the arc part of the first arc conductor part and the arc part of the second arc conductor part are both overlapped with the first clamping face and the second clamping face.
2. A stripline phase shifter in accordance with claim 1, wherein: the radius of the circular arc portion of the second circular arc conductor portion is twice the radius of the circular arc portion of the first circular arc conductor portion.
3. A stripline phase shifter as recited in claim 1 or 2, wherein: the conductor is further integrally formed with a third arc conductor part, the second arc conductor part is positioned between the third arc conductor part and the first arc conductor part, one end of the third arc conductor part is provided with a fifth signal output end, the other end of the third arc conductor part is provided with a sixth signal output end, the arc part of the third arc conductor part and the arc part of the second arc conductor part are concentrically arranged, and the arc part of the third arc conductor part is communicated with the arc part of the second arc conductor part; the arc part of the third arc conductor part is positioned between the first clamping surface and the second clamping surface, and the arc part of the third arc conductor part is also partially overlapped with the first clamping surface and the second clamping surface.
4. A stripline phase shifter in accordance with claim 3, wherein: the radius of the circular arc portion of the third circular arc conductor portion is three times that of the circular arc portion of the first circular arc conductor portion.
5. A stripline phase shifter in accordance with claim 1, wherein: one side of the dielectric block is provided with 2 first low dielectric constant parts and 2 second low dielectric constant parts, and the other side of the dielectric block is provided with 2 third low dielectric constant parts and 2 fourth low dielectric constant parts; 2 first low dielectric constant portions are symmetrically arranged with the center line L1 of the sector face of the dielectric block as the center, 2 second low dielectric constant portions are symmetrically arranged with the center line L1 of the sector face of the dielectric block as the center, 2 third low dielectric constant portions are symmetrically arranged with the center line L1 of the sector face of the dielectric block as the center, and 2 fourth low dielectric constant portions are symmetrically arranged with the center line L1 of the sector face of the dielectric block as the center; the 2 first low dielectric constant parts are opposite to the 2 third low dielectric constant parts one by one, and the 2 second low dielectric constant parts are opposite to the 2 fourth low dielectric constant parts one by one; the arc part of the first arc conductor part is clamped between the first low dielectric constant part and the third low dielectric constant part; the arc portion of the second arc conductor portion is sandwiched between the second low dielectric constant portion and the fourth low dielectric constant portion.
6. A stripline phase shifter in accordance with claim 3, wherein: 2 fifth low-dielectric-constant parts are further formed on one surface of the dielectric block, 2 sixth low-dielectric-constant parts are formed on the other surface of the dielectric block, the 2 fifth low-dielectric-constant parts are symmetrically arranged by taking the central line L1 of the sector surface of the dielectric block as the center, and the 2 sixth low-dielectric-constant parts are also symmetrically arranged by taking the central line L1 of the sector surface of the dielectric block as the center; the 2 fifth low dielectric constant parts and the 2 sixth low dielectric constant parts are opposite to each other one by one; the arc portion of the third arc conductor portion is sandwiched between the fifth low dielectric constant portion and the sixth low dielectric constant portion.
7. A stripline phase shifter in accordance with claim 1, wherein: and a seventh signal output end communicated with the signal input end is formed on the input conductor part, the part between the signal input end and the seventh signal output end on the input conductor part is communicated with the arc part of the first arc conductor part through a connecting conductor part, and the hinged end of the dielectric block is rotatably connected with the connecting conductor part.
8. A stripline phase shifter in accordance with claim 1, wherein: the central angle of the medium block is in the range of 30-150 degrees, and the hinged end of the medium block is hinged at the center of the circular arc part of the first circular arc conductor part.
9. A stripline phase shifter as recited in claim 1 or 8, wherein: the dielectric block is made of a material with a dielectric constant within a range of 2-10.
10. An antenna, characterized by: the phase shifter comprises a phase shifter, wherein each signal output end of the phase shifter is respectively connected with an antenna unit; the phase shifter is a stripline phase shifter as recited in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010172996.XA CN111342175B (en) | 2020-03-13 | 2020-03-13 | Stripline phase shifter and antenna |
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| CN202010172996.XA CN111342175B (en) | 2020-03-13 | 2020-03-13 | Stripline phase shifter and antenna |
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| CN111342175A true CN111342175A (en) | 2020-06-26 |
| CN111342175B CN111342175B (en) | 2022-02-25 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111342175B (en) | 2022-02-25 |
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