CN218481587U - Single probe spherical antenna scanning mechanism - Google Patents
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- CN218481587U CN218481587U CN202222507275.7U CN202222507275U CN218481587U CN 218481587 U CN218481587 U CN 218481587U CN 202222507275 U CN202222507275 U CN 202222507275U CN 218481587 U CN218481587 U CN 218481587U
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Abstract
The utility model discloses a single probe spherical antenna scanning mechanism belongs to near field antenna test technical field. The utility model discloses a revolving stage, be equipped with the antenna erection support that is used for installing the antenna that awaits measuring on the revolving stage, still be equipped with on the revolving stage along the horizontal plane around the antenna pivoted position part that awaits measuring, be equipped with on the position part along vertical face around the antenna pivoted every single move part that awaits measuring, be equipped with polarization part on the every single move part, the last rotatable probe that is equipped with of polarization part. The scanning of the antenna to be tested can be realized only by the surrounding rotation of the single probe, the operation steps are simple, the testing efficiency is high, and the cost is low.
Description
Technical Field
The utility model relates to a single probe spherical antenna scanning mechanism belongs to near field antenna test technical field.
Background
At present, a single-probe spherical scanning mechanism or a multi-probe spherical scanning mechanism is mainly adopted to carry out near-field antenna test. The current single-probe spherical scanning mechanism and the current multi-probe scanning mechanism are formed by compounding a probe mounting mechanism and a turntable, so that the error is large, and the antenna test result is influenced.
The single-probe spherical scanning mechanism realizes spherical scanning by matching a single probe with a turntable and other mechanisms. The probe mainly comprises a fixed probe and a movable probe: 1. the fixed probe is arranged on the fixed support and is aligned with the center of the antenna, the antenna is arranged on the two-axis rotary table and can rotate in azimuth and elevation, and the spherical scanning of the probe is realized through fitting; 2. the mobile probe is arranged on an arc guide rail or other mechanisms which take the antenna as the sphere center, can do arc motion along the center of the antenna, and the antenna can rotate along the center of the rotary table on the rotary table, so that the spherical scanning of the probe is realized through fitting. The multi-probe spherical scanning mechanism realizes spherical scanning by matching a plurality of probes with a turntable and other mechanisms. Fixed single probe spherical scanning mechanism is subject to the pitch angle rotation range of diaxon revolving stage, needs adjustment probe position and angle many times just can accomplish whole measurements, and operating procedure is loaded down with trivial details, and position information error is big, efficiency of software testing. The probe of the movable single-probe spherical scanning mechanism is arranged on the arc-shaped guide rail for sampling, and the mounting structure is complex.
The plurality of probes are arranged on the arc-shaped mounting rack with the antenna as the center of a sphere at equal angles, each probe is aligned to the center of the antenna, the antenna is arranged on the rotary table and can rotate along the center of the rotary table, and spherical surface scanning is realized through fitting. The multi-probe spherical scanning mechanism has high scanning efficiency due to the installation of a plurality of probes, but has high installation requirements on the pointing accuracy and the position accuracy of the probes and high cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at: aiming at the problems, the single-probe spherical antenna scanning mechanism is provided, the scanning of the antenna to be tested can be realized only by the surrounding rotation of the single probe, the operation steps are simple, the testing efficiency is high, and the cost is low.
The utility model adopts the technical scheme as follows:
the utility model provides a single probe spherical antenna scanning mechanism, includes the revolving stage, be equipped with the antenna erection support that is used for installing the antenna that awaits measuring on the revolving stage, still be equipped with on the revolving stage along the horizontal plane around the antenna pivoted position part that awaits measuring, be equipped with on the position part along vertical face around the antenna pivoted every single move part that awaits measuring, be equipped with polarization part on the every single move part, the last rotatable probe that is equipped with of polarization part.
Optionally, the antenna mounting bracket is of a lifting type.
Optionally, the polarization component is disposed at one end of the pitching component, and the other end of the pitching component is provided with a pitching balancing weight.
Optionally, the azimuth component and/or the pitch component and/or the polarization component are provided with wave-absorbing materials.
Optionally, the direction component is rotatably arranged on the rotary table through a first rotating motor.
Optionally, a first angle encoder is arranged on the orientation component.
Optionally, the pitching assembly is rotatably disposed on the orientation assembly via a second rotating motor.
Optionally, a second angle encoder is arranged on the pitching component.
Optionally, the probe is rotatably disposed on the polarization member by a third rotating motor.
Optionally, the bottom of the turntable is provided with a support leg.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides a single probe spherical antenna scanning mechanism, fix the antenna to be measured on the support of scanning center, through the position, every single move and the rotation of polarization angle of control mechanism, realize taking the antenna to be measured as the centre of sphere to carry out spherical scanning;
2. the utility model provides a single probe spherical antenna scanning mechanism can realize according to scanning step that the probe carries out spherical scanning with the antenna to be measured as the centre of sphere automatically, and the step angle can be set wantonly, and the phase place and the amplitude information of probe are gathered by the mechanism is automatic and direct output, realize closed-loop control through rotating the motor and adding the angle encoder, can be used for promoting the measuring accuracy; reducing the eccentric moment of the pitching rotation; and the performance test precision of the antenna to be tested is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic plan view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
The labels in the figure are: the method comprises the following steps of 1-a rotary table, 2-an antenna mounting bracket, 3-an azimuth component, 4-a pitching component, 5-a polarization component, 6-a probe, 7-a pitching balancing weight, 8-a wave absorbing material, 9-a first rotating motor, 10-a first angle encoder, 11-a second rotating motor, 12-a second angle encoder, 13-a third rotating motor, 14-a support leg, 15-a control device and 16-an antenna to be tested.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a single probe spherical antenna scanning mechanism, as shown in figure 1, includes revolving stage 1, be equipped with the antenna erection support 2 that is used for installing the antenna 16 that awaits measuring on the revolving stage 1, still be equipped with on the revolving stage 1 along the horizontal plane around the antenna 16 pivoted position part 3 that awaits measuring, be equipped with on the position part 3 along vertical face around the antenna 16 pivoted pitch part 4 that awaits measuring, be equipped with polarization part 5 on the pitch part 4, rotatable being equipped with probe 6 on the polarization part 5.
Specifically, the turntable 1 can provide support for a mechanism mounted thereon; the antenna mounting bracket 2 can be used for supporting an antenna 16 to be tested; the azimuth component 3 can drive the probe 6 to rotate around the antenna 16 to be measured on a horizontal plane; the pitching mechanism can drive the probe 6 to rotate around the antenna 16 to be tested on a vertical surface; the polarization component 5 can drive the probe 6 to realize the rotation of the probe 6. Through the azimuth component 3, the elevation component 4, the polarization component 5 and the probe 6, the probe 6 can rotate around the antenna 16 to be measured in a spherical manner, so that spherical scanning can be performed. Furthermore, the azimuth component 3 rotates around the antenna mounting bracket 2, and the rotating shafts of the probe 6 and the azimuth component 3 are located on the same vertical plane, so that the track of the probe 6 can be ensured to be a spherical surface. Wherein, the antenna 16 to be measured is located at the center of the sphere of the spherical surface scanning. In particular, the probe 6 is directed towards the centre of the sphere, so as to be able to scan the antenna 16 to be measured.
As another specific embodiment, the antenna mounting bracket 2 is a lifting type. The height of the antenna 16 to be measured can be adjusted through the lifting type antenna mounting bracket 2, so that the pitching mechanism can scan along the vertical surface by taking the antenna 16 to be measured as the center of a circle.
In another specific embodiment, the polarization member 5 is disposed at one end of the pitching member 4, and a pitching weight 7 is disposed at the other end of the pitching member 4. The pitching balancing weight 7 can be adjusted and balanced according to the weight of the probe 6, so that the eccentric moment of pitching rotation is reduced.
As another specific embodiment, the wave-absorbing material 8 is arranged on the azimuth component 3 and/or the pitch component 4 and/or the polarization component 5. The wave-absorbing material 8 can reduce the reflection of the metal surface of the mechanism, thereby improving the performance test precision of the antenna 16 to be tested. Furthermore, the wave-absorbing material 8 is arranged on one surface of the azimuth component 3 and/or the elevation component 4 and/or the polarization component 5 facing the antenna 16 to be tested, so that the use requirement can be met, and the use cost of the wave-absorbing material 8 can be reduced.
As another specific embodiment, the orientation member 3 is rotatably provided on the turntable 1 by a first rotating motor 9. The orientation component 3 is arranged on an output shaft of the first rotating motor 9, and the automatic stepping of the orientation component 3 can be realized through the first rotating motor 9, namely the orientation component rotates around the antenna 16 to be measured along a horizontal plane. Wherein, be equipped with the cavity in the revolving stage 1, first rotating motor 9 is located in the cavity to can protect first rotating motor 9 and can practice thrift the space. Further, the first rotating motor 9 can rotate within a range of 0 to 360 °. The scanning step angle of the first rotating motor 9 may be set arbitrarily, and in the present embodiment, the minimum scanning step of the first rotating motor 9 is 0.01 °.
In another specific embodiment, the orientation component 3 is provided with a first angle encoder 10. The real-time feedback and output of the rotation angle of the probe 6 along the horizontal plane can be realized through the first angle encoder 10. Further, the first angle encoder 10 is provided on the output shaft of the first rotating motor 9.
As another specific embodiment, the pitching member 4 is rotatably provided on the azimuth member 3 by the second rotating electric machine 11. The second rotating motor 11 is fixedly arranged on the azimuth component 3, the pitching component 4 is arranged on an output shaft of the second rotating motor 11, and the second rotating motor 11 can realize automatic stepping of the pitching component 4, namely, the pitching component rotates around the antenna 16 to be measured along the water vertical plane. Further, the second rotating electric machine 11 can realize a rotation within the range of +/-170 ° to-170 °. The scanning step angle of the second rotating motor 11 can be set arbitrarily, and in this embodiment, the minimum scanning step of the second rotating motor 11 is 0.01 °.
In another specific embodiment, a second angle encoder 12 is provided on the pitching member 4. Real-time feedback and output of the rotation angle of the probe 6 along the vertical surface can be realized through the second angle encoder 12. Further, the second angle encoder 12 is provided on an output shaft of the second rotating electric machine 11.
As another specific embodiment, the probe 6 is rotatably disposed on the polarization member 5 by a third rotating motor 13. Rotational scanning of the probe 6 can be achieved. Further, the probe 6 can rotate within the range of 0 to 360 degrees through the third rotating motor 13.
As another specific embodiment, the bottom of the turntable 1 is provided with a foot 14. Further, the legs 14 include four.
Further, the turntable 1 is provided with a control device 15 for controlling the first rotating motor 9, the second rotating motor 11, and the third rotating motor 13, respectively.
The working process of the single-probe spherical antenna scanning mechanism provided by the embodiment is as follows:
1. installing an antenna 16 to be tested on the antenna installation support 2, ensuring that the antenna is in a scanning spherical position, selecting a probe 6 to be installed on the polarization part 5 according to the antenna test requirement, and adjusting the pitching balancing weight 7 to enable the pitching part 4 to be basically balanced;
2. the setting of the scanning type, the scanning range and the scanning stepping angle is performed by setting the first rotating motor 9, the second rotating motor 11 and the third rotating motor 13;
3. the azimuth component 3 realizes azimuth rotation of the probe 6 along the horizontal plane, the pitching component 4 realizes pitching rotation of the probe 6 along the vertical plane, the polarizing component 5 realizes polarizing rotation of the probe 6, the mechanism outputs the current position information of the probe 6 after sampling is completed according to the set stepping angle, and complete position information is output after all sampling points are completed.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides a single probe spherical antenna scanning mechanism, fix the antenna 16 to be measured on the support of scanning center, through the position, every single move and the rotation of polarization angle of control mechanism, realize taking the antenna 16 to be measured as the centre of sphere to carry out spherical scanning;
2. the utility model provides a single probe spherical antenna scanning mechanism can realize automatically according to the scanning step that probe 6 carries out the spherical scanning with the antenna 16 to be measured as the centre of sphere, and the step angle can be set up wantonly, and the phase place and the amplitude information of probe 6 are gathered by the mechanism is automatic and direct output, realize closed-loop control through rotating the motor and adding the angle encoder, can be used for promoting the measuring accuracy; reducing the eccentric moment of the pitching rotation; the performance test precision of the antenna 16 to be tested is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a single probe spherical antenna scanning mechanism which characterized in that: including revolving stage (1), be equipped with antenna erection support (2) that are used for installing antenna (16) that awaits measuring on revolving stage (1), still be equipped with on revolving stage (1) along the horizontal plane around antenna (16) pivoted position part (3) that awaits measuring, be equipped with on position part (3) along vertical face around antenna (16) pivoted every single move part (4) that awaits measuring, be equipped with polarization part (5) on every single move part (4), rotatable probe (6) that are equipped with on polarization part (5).
2. The single probe spherical antenna scanning mechanism of claim 1, wherein: the antenna mounting bracket (2) is lifting.
3. The single probe spherical antenna scanning mechanism of claim 1, wherein: the polarization component (5) is arranged at one end part of the pitching component (4), and the other end part of the pitching component (4) is provided with a pitching balancing weight (7).
4. The single probe spherical antenna scanning mechanism of claim 1, wherein: wave-absorbing materials (8) are arranged on the azimuth component (3) and/or the pitching component (4) and/or the polarization component (5).
5. The single probe spherical antenna scanning mechanism of claim 1, wherein: the azimuth component (3) is rotatably arranged on the rotary table (1) through a first rotating motor (9).
6. The single probe spherical antenna scanning mechanism of claim 5, wherein: the azimuth component (3) is provided with a first angle encoder (10).
7. The single probe spherical antenna scanning mechanism of claim 1, wherein: the pitching component (4) is rotatably arranged on the azimuth component (3) through a second rotating motor (11).
8. The single probe spherical antenna scanning mechanism of claim 7, wherein: and a second angle encoder (12) is arranged on the pitching component (4).
9. The single probe spherical antenna scanning mechanism of claim 1, wherein: the probe (6) is rotatably arranged on the polarization part (5) through a third rotating motor (13).
10. The single probe spherical antenna scanning mechanism of claim 1, wherein: the bottom of the rotary table (1) is provided with a support leg (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507275.7U CN218481587U (en) | 2022-09-21 | 2022-09-21 | Single probe spherical antenna scanning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507275.7U CN218481587U (en) | 2022-09-21 | 2022-09-21 | Single probe spherical antenna scanning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218481587U true CN218481587U (en) | 2023-02-14 |
Family
ID=85167655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222507275.7U Active CN218481587U (en) | 2022-09-21 | 2022-09-21 | Single probe spherical antenna scanning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218481587U (en) |
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2022
- 2022-09-21 CN CN202222507275.7U patent/CN218481587U/en active Active
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