CN220872578U - Meteorological radar antenna test revolving stage device - Google Patents
Meteorological radar antenna test revolving stage device Download PDFInfo
- Publication number
- CN220872578U CN220872578U CN202322290636.1U CN202322290636U CN220872578U CN 220872578 U CN220872578 U CN 220872578U CN 202322290636 U CN202322290636 U CN 202322290636U CN 220872578 U CN220872578 U CN 220872578U
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- speed reducer
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000010287 polarization Effects 0.000 claims abstract description 88
- 238000009434 installation Methods 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 70
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model discloses a testing turntable device for a weather radar antenna, and relates to the technical field of weather radar antenna testing. The utility model comprises a polarization rotating assembly, an azimuth rotating assembly, a base, two support plates and a pitching rotating assembly, wherein a polarization rotating shaft of the polarization rotating assembly is fixed with an antenna and is driven to rotate so as to adjust the polarization angle of the antenna. The azimuth rotating assembly is fixed with the polarization rotating assembly and drives the azimuth rotating shaft to rotate so as to adjust the azimuth angle of the antenna. The two support plates are fixed on two opposite side edges of the base respectively, so that the base and the two support plates are enclosed to form an installation space. The pitching rotation assembly is located in the installation space and connected to the supporting plate, and a pitching rotation shaft of the pitching rotation assembly is horizontally arranged and drives the pitching rotation shaft to rotate so as to adjust the pitching angle of the antenna. Therefore, the testing of each performance index of the antenna in each direction angle is satisfied, and the accuracy of the testing result of the antenna is improved.
Description
Technical Field
The utility model relates to the technical field of weather radar antenna testing, in particular to a turntable device for weather radar antenna testing.
Background
Currently, performance tests are required to be performed on various antennas, such as radar antennas, before the antennas are put into use, and a main testing tool is a testing turntable, wherein a two-axis turntable commonly adopted by a weather radar antenna testing turntable in the prior art cannot finish the test of each performance index of the weather radar antenna in each direction angle, so that the accuracy of the performance test result of the weather radar antenna is low.
Disclosure of utility model
The present utility model has been made in view of the above-mentioned problems, and it is an object of the present utility model to provide a weather radar antenna test turret apparatus which overcomes or at least partially solves the above-mentioned problems.
The utility model provides a weather radar antenna test turntable device, which comprises:
The polarization rotating assembly is fixed with the antenna, and drives the polarization rotating shaft to rotate so as to adjust the polarization angle of the antenna;
The azimuth rotating assembly is fixed with the polarization rotating assembly, and an azimuth rotating shaft of the azimuth rotating assembly is perpendicular to the polarization rotating shaft, wherein the azimuth rotating shaft is driven to rotate so as to adjust the azimuth angle of the antenna;
A base;
The two support plates are respectively fixed on two opposite side edges of the base, so that the base and the two support plates are enclosed to form an installation space;
The pitching rotating assembly is located in the installation space and connected to the supporting plate, a pitching rotating shaft of the pitching rotating assembly is horizontally arranged, the azimuth rotating shaft is perpendicular to the pitching rotating shaft, the polarization rotating shaft is perpendicular to the pitching rotating shaft, and the pitching rotating shaft is driven to rotate so as to adjust the pitching angle of the antenna.
Optionally, the polarization rotation assembly includes:
the polarization speed reducer is fixed on the azimuth rotating assembly;
The polarization support is fixedly connected with the polarization rotating shaft of the polarization speed reducer, and the antenna is fixed on the polarization support.
Optionally, the azimuth rotation assembly includes:
the azimuth speed reducer is fixed on the pitching rotation assembly;
The azimuth plate is fixedly connected with an azimuth rotation shaft of the azimuth speed reducer, and the polarization speed reducer is fixed on the azimuth plate.
Optionally, the pitch rotation assembly includes:
The pitching speed reducer is fixed on the supporting plate, and a pitching rotating shaft of the pitching speed reducer is rotationally connected with the supporting plate;
The pitching box body wraps the pitching rotation shaft of the pitching speed reducer and is fixedly connected with the pitching rotation shaft of the pitching speed reducer, and the azimuth speed reducer is fixed in the pitching box body.
Optionally, the device further includes a limiting plate disposed in the installation space, where the limiting plate is fixed on the base, and capable of forming a press contact with the pitch box body when the pitch box body rotates, so as to limit a pitch angle range of the antenna.
Optionally, the apparatus further includes:
And the controller is arranged in the base, is electrically connected with the pitching speed reducer, the azimuth speed reducer and the polarization speed reducer and is used for controlling the pitching speed reducer, the azimuth speed reducer and the polarization speed reducer to work.
Optionally, the device further includes a plurality of heat dissipation holes, and the plurality of heat dissipation holes are evenly arranged at the lateral part of the base.
Compared with the prior art, the utility model comprises a polarization rotating assembly, an azimuth rotating assembly, a base, two support plates and a pitching rotating assembly, wherein a polarization rotating shaft of the polarization rotating assembly is fixed with an antenna, and the polarization rotating shaft is driven to rotate so as to adjust the polarization angle of the antenna. The azimuth rotating assembly is fixed with the polarization rotating assembly, and an azimuth rotating shaft of the azimuth rotating assembly is perpendicular to the polarization rotating shaft, wherein the azimuth rotating shaft is driven to rotate so as to adjust the azimuth angle of the antenna. The two support plates are fixed on two opposite side edges of the base respectively, so that the base and the two support plates are enclosed to form an installation space. The pitching rotating assembly is located in the installation space and connected to the supporting plate, the pitching rotating shaft of the pitching rotating assembly is horizontally arranged, the azimuth rotating shaft is perpendicular to the pitching rotating shaft, the polarization rotating shaft is perpendicular to the pitching rotating shaft, and the pitching rotating shaft is driven to rotate so as to adjust the pitching angle of the antenna. Therefore, different azimuth angles, pitch angles and polarization angles of the antenna can be adjusted through the three-axis turntable, the test of each performance index of the antenna on each direction angle is met, and the accuracy of the test result of the antenna is improved.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures.
In the drawings:
FIG. 1 is a schematic diagram of a first structure of a testing turntable device for a weather radar antenna according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second structure of a testing turntable device for a weather radar antenna according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a part of a test turntable device for a weather radar antenna according to an embodiment of the present utility model;
reference numerals: 1. a polarization rotation assembly; 11. a polarization speed reducer; 12. a polarizing support; 2. an azimuth rotation assembly; 21. an azimuth speed reducer; 22. an azimuth plate; 3. a pitch rotation assembly; 31. pitching speed reducer; 32. a pitching case; 4. a support plate; 5. a base; 6. a limiting plate; 7. a heat radiation hole; 8. an antenna.
Detailed Description
Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
Referring to fig. 1-3, an embodiment of the present utility model provides a weather radar antenna testing turret apparatus, which may include a polarization rotation assembly 1, an azimuth rotation assembly 2, a base 5, two support plates 4, and a pitch rotation assembly 3, wherein:
The polarization rotation shaft of the polarization rotation assembly 1 is fixed with the antenna 8, and the polarization rotation shaft is driven to rotate so as to adjust the polarization angle of the antenna 8. The polarization angle is understood to be the angle by which the antenna 8 is rotated relative to the initial position (which may also be understood as the standard position), and thus the polarization angle range may be 0 to 360 deg., 360 deg. -0 deg., 180 deg. -180 deg., etc., without being excessively limited herein.
The azimuth rotation assembly 2 is fixed with the polarization rotation assembly 1, and an azimuth rotation axis of the azimuth rotation assembly 2 is perpendicular to the polarization rotation axis, wherein the azimuth rotation axis is driven to rotate to adjust an azimuth angle of the antenna 8. The azimuth angle is understood to be the angle between the current projection line of the central axis of the antenna 8 on the horizontal plane and the projection line of the central axis of the antenna 8 at the initial position on the horizontal plane. Thus, the azimuth angle range may be 0 to 360 °, -360 ° to 0 °, and-180 ° to 180 °, etc., without being excessively limited herein.
Two support plates 4 are fixed on two opposite sides of the base 5. The fixing may be performed by welding, screwing, or the like, for example, and is not limited thereto. So that the base 5 and the two support plates 4 are enclosed to form an installation space. The pitching rotation assembly 3 is located in the installation space and connected to the support plate 4, wherein a pitching rotation axis of the pitching rotation assembly 3 is horizontally arranged. The horizontal arrangement means that the pitching rotation axis is arranged in parallel with the horizontal plane. The azimuth axis of rotation is perpendicular to the elevation axis of rotation, and the polarization axis of rotation is perpendicular to the elevation axis of rotation, driving the elevation axis of rotation to adjust the elevation angle of the antenna 8. The pitch angle is understood to be the angle between the central axis of the antenna 8 and the horizontal plane, in the vertical direction. The pitch angle range may be-15 ° to 15 ° or the like, and is not excessively limited herein.
Therefore, the three-axis rotary table provided with the polarization rotary shaft, the azimuth rotary shaft and the pitching rotary shaft can be used for adjusting different azimuth angles, pitch angles and polarization angles of the antenna 8, so that the test of each performance index of the antenna 8 in each direction angle can be met, and the accuracy of the test result of the antenna 8 is improved.
In an alternative embodiment of the utility model, referring to fig. 1, the polarization rotation assembly 1 may include a polarization reducer 11 and a polarization bracket 12, the polarization reducer 11 is fixed on the azimuth rotation assembly 2, the polarization bracket 12 is fixedly connected with a polarization rotation shaft of the polarization reducer 11, and the antenna 8 is fixed on the polarization bracket 12. For example, the polarization speed reducer 11 may be formed by connecting a servo motor and a speed reducer. The polarization rotation shaft is the output shaft of the servo motor, and the rotation precision of the polarization rotation assembly 1 can be adjusted through the servo motor, so that the adjustment precision of the polarization angle is realized.
In an alternative embodiment of the utility model, referring to fig. 1 and 2, the azimuth rotating assembly 2 may include an azimuth speed reducer 21 and an azimuth plate 22, the azimuth speed reducer 21 is fixed on the pitch rotating assembly 3, the azimuth plate 22 is fixedly connected with an azimuth rotation shaft of the azimuth speed reducer 21, and the polarization speed reducer 11 is fixed on the azimuth plate 22. The azimuth plate 22 may be a cylinder, preferably, the center of gravity of the azimuth plate 22 is fixed to the azimuth rotation axis of the azimuth speed reducer 21, so that the deflection force generated by the azimuth rotation assembly 2 in the rotation process can be reduced, and the running stability of the device is improved. The azimuth speed reducer 21 may be formed by connecting a servo motor and a speed reducer. The azimuth rotation shaft is the output shaft of the servo motor, and the rotation precision of the azimuth rotation assembly 2 can be adjusted through the servo motor, so that the adjustment precision of the azimuth angle is realized.
In an alternative embodiment of the utility model, referring to fig. 2, the pitch rotation assembly 3 may include a pitch speed reducer 31 and a pitch box 32, where the pitch speed reducer 31 is fixed on the support plate 4, and a pitch rotation shaft of the pitch speed reducer 31 is rotatably connected to the support plate 4. Wherein, the pitching rotation shaft and the supporting plate 4 can be connected in a rotation way through a rotation piece such as a bearing. The pitching box 32 wraps the pitching rotation shaft of the pitching speed reducer 31, that is, a cavity for the pitching rotation shaft to penetrate is arranged in the pitching box 32, the pitching cavity is fixedly connected with the pitching rotation shaft of the pitching speed reducer 31, and the azimuth speed reducer 21 is fixed inside the pitching box 32. The pitch speed reducer 31 may be formed by connecting a servo motor and a speed reducer. The pitching rotation shaft is the output shaft of the servo motor, and the rotation precision of the pitching rotation assembly 3 can be adjusted through the servo motor, so that the adjustment precision of the azimuth angle is realized.
In an alternative embodiment of the utility model, referring to fig. 2 and 3, the device further includes a limiting plate 6 disposed in the installation space, the limiting plate 6 being fixed to the base 5 and capable of pressing the pitch housing 32 to define a pitch angle range of the antenna 8 when the pitch housing 32 rotates. In other words, the pitch angle range of the antenna 8 may be defined by a press-contact manner in which the end of the pitch case 32 facing the base 5 touches the pitch case 32 when rotating, and the pitch case 32 cannot continue to rotate. For example, in the case where it is necessary to define the pitch angle range, the above-mentioned limiting plate 6 is assembled.
Preferably, the limiting plate 6 may be fixed with the supporting plate 4 and the base 5 at the same time, so as to improve structural stability of the device, and the cross section of the limiting plate 6 may be triangular, so that the limiting plate 6 may also be used as a reinforcing rib for improving connection firmness between the supporting plate 4 and the base 5.
In an alternative embodiment of the utility model, the device may further include a controller, where the controller is installed in the base 5 and is electrically connected to the pitch speed reducer 31, the azimuth speed reducer 21, and the polarization speed reducer 11, so as to control the operation of the pitch speed reducer 31, the azimuth speed reducer 21, and the polarization speed reducer 11. For example, the controller may be electrically connected to the servo motor in the pitch speed reducer 31, the servo motor in the azimuth speed reducer 21, and the servo motor in the polarization speed reducer 11, respectively, so that parameters such as the rotational speeds corresponding to the pitch speed reducer 31, the azimuth speed reducer 21, and the polarization speed reducer 11 may be adjusted by the controller. The precise adjustment of azimuth angle, pitch angle and polarization angle is realized.
An alternative inventive embodiment, as shown with reference to fig. 3, the device further comprises a plurality of heat dissipation holes 7, the plurality of heat dissipation holes 7 being uniformly arranged at the side of the base 5. Therefore, the electronic components mounted in the base 5 can be radiated through the radiating holes 7, and the product performance of the device is optimized.
In summary, the embodiment of the utility model discloses a weather radar antenna testing turntable device, which comprises a polarization rotating assembly 1, an azimuth rotating assembly 2, a base 5, two support plates 4 and a pitching rotating assembly 3, wherein a polarization rotating shaft of the polarization rotating assembly 1 is fixed with an antenna 8, and the polarization rotating shaft is driven to rotate so as to adjust the polarization angle of the antenna 8. The azimuth rotation assembly 2 is fixed with the polarization rotation assembly 1, and an azimuth rotation axis of the azimuth rotation assembly 2 is perpendicular to the polarization rotation axis, wherein the azimuth rotation axis is driven to rotate to adjust an azimuth angle of the antenna 8. The two support plates 4 are respectively fixed on two opposite sides of the base 5, so that the base 5 and the two support plates 4 are enclosed to form an installation space. The pitching rotation assembly 3 is located in the installation space and connected to the support plate 4, wherein a pitching rotation axis of the pitching rotation assembly 3 is horizontally arranged, the azimuth rotation axis is perpendicular to the pitching rotation axis, the polarization rotation axis is perpendicular to the pitching rotation axis, and the pitching rotation axis is driven to rotate so as to adjust a pitching angle of the antenna 8. Therefore, different azimuth angles, pitch angles and polarization angles of the antenna 8 can be adjusted through the three-axis turntable, the test of each performance index of the antenna 8 in each direction angle is met, and the accuracy of the test result of the antenna 8 is improved.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
As will be readily appreciated by those skilled in the art: any combination of the above embodiments is possible, and thus is an embodiment of the present utility model, but the present specification is not limited by the text.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the above description of exemplary embodiments of the utility model, various features of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
Claims (7)
1. A weather radar antenna test turret apparatus, the apparatus comprising:
A polarization rotation assembly (1), wherein a polarization rotation shaft of the polarization rotation assembly (1) is fixed with an antenna (8) and is driven to rotate so as to adjust the polarization angle of the antenna (8);
An azimuth rotation assembly (2), wherein the azimuth rotation assembly (2) is fixed with the polarization rotation assembly (1), and an azimuth rotation axis of the azimuth rotation assembly (2) is perpendicular to the polarization rotation axis, and the azimuth rotation axis is driven to rotate so as to adjust an azimuth angle of the antenna (8);
a base (5);
the two support plates (4) are respectively fixed on two opposite side edges of the base (5), so that the base (5) and the two support plates (4) are enclosed to form an installation space;
the pitching rotating assembly (3) is located in the installation space and connected to the supporting plate (4), the pitching rotating shaft of the pitching rotating assembly (3) is horizontally arranged, the azimuth rotating shaft is perpendicular to the pitching rotating shaft, the polarization rotating shaft is perpendicular to the pitching rotating shaft, and the pitching rotating shaft is driven to rotate so as to adjust the pitching angle of the antenna (8).
2. The weather radar antenna test turret device according to claim 1, wherein the polarization rotation assembly (1) comprises:
A polarization speed reducer (11), wherein the polarization speed reducer (11) is fixed on the azimuth rotating assembly (2);
The polarization support (12), polarization support (12) with polarization axis of rotation fixed connection of polarization speed reducer (11), antenna (8) are fixed in on polarization support (12).
3. The weather radar antenna test turret device according to claim 2, wherein the azimuth rotating assembly (2) comprises:
An azimuth speed reducer (21), wherein the azimuth speed reducer (21) is fixed on the pitching rotation assembly (3);
The azimuth plate (22), azimuth rotation axis fixed connection of azimuth plate (22) with azimuth speed reducer (21), polarization speed reducer (11) are fixed in on azimuth plate (22).
4. A weather radar antenna test turret apparatus as claimed in claim 3, wherein the pitch rotation assembly (3) comprises:
The pitching speed reducer (31), the pitching speed reducer (31) is fixed on the supporting plate (4), and a pitching rotation shaft of the pitching speed reducer (31) is rotationally connected with the supporting plate (4);
The pitching box body (32), pitching box body (32) is to pitching axis of rotation formation parcel of every single move speed reducer (31), and with pitching axis of rotation fixed connection of every single move speed reducer (31), position speed reducer (21) are fixed in the inside of every single move box body (32).
5. The weather radar antenna test turret device according to claim 4, further comprising a limiting plate (6) provided in the installation space, the limiting plate (6) being fixed to the base (5) and capable of forming a press contact with the elevation housing (32) to define a pitch angle range of the antenna (8) when the elevation housing (32) is rotated.
6. The weather radar antenna test turret apparatus as defined in claim 4, further comprising:
And the controller is arranged in the base (5) and is electrically connected with the pitching speed reducer (31), the azimuth speed reducer (21) and the polarization speed reducer (11) and used for controlling the pitching speed reducer (31), the azimuth speed reducer (21) and the polarization speed reducer (11) to work.
7. The weather radar antenna test turret apparatus as claimed in claim 6, further comprising a plurality of heat dissipation holes (7), the plurality of heat dissipation holes (7) being uniformly provided at a side portion of the base (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322290636.1U CN220872578U (en) | 2023-08-24 | 2023-08-24 | Meteorological radar antenna test revolving stage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322290636.1U CN220872578U (en) | 2023-08-24 | 2023-08-24 | Meteorological radar antenna test revolving stage device |
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Publication Number | Publication Date |
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CN220872578U true CN220872578U (en) | 2024-04-30 |
Family
ID=90819342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322290636.1U Active CN220872578U (en) | 2023-08-24 | 2023-08-24 | Meteorological radar antenna test revolving stage device |
Country Status (1)
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CN (1) | CN220872578U (en) |
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2023
- 2023-08-24 CN CN202322290636.1U patent/CN220872578U/en active Active
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