CN112904096A - Three-dimensional high-precision antenna turntable testing device - Google Patents
Three-dimensional high-precision antenna turntable testing device Download PDFInfo
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- CN112904096A CN112904096A CN202110329810.1A CN202110329810A CN112904096A CN 112904096 A CN112904096 A CN 112904096A CN 202110329810 A CN202110329810 A CN 202110329810A CN 112904096 A CN112904096 A CN 112904096A
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- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model provides a three-dimensional high accuracy antenna revolving stage testing arrangement, includes: the antenna test bracket is used for bearing a test antenna; and the driving mechanism is used for driving the antenna test support to drive the test antenna to rotate in a three-dimensional manner. Wherein, antenna test support includes: the two ends of one side of the bottom plate are respectively connected with one end of the first support and one end of the second support; and two ends of the top support are respectively connected with the other end of the first support and the other end of the second support. The pitching and azimuth angles of the antenna can be adjusted with high precision; the problem of rotation of the antenna in three directions is solved, and the leveling efficiency of the antenna is greatly improved; by designing the antenna bracket, the test of the antenna array surface darkroom with various models and sizes can be compatible.
Description
Technical Field
The utility model relates to an antenna test technical field especially relates to a three-dimensional high accuracy antenna revolving stage testing arrangement.
Background
The radar test indexes comprise an antenna directional diagram, equivalent transmitting power, environmental noise, equivalent sensitivity and the like of the radar, and the test requirements are increased along with the calibration of the continuously improved antenna indexes, and comprise the characteristic requirements of more accurate gain, cross polarization, air interface parameters of fifth-generation mobile communication and the like. However, no matter research and development test or production line test, the radar test system in the field of automobile auxiliary radar is still in a technological blank at home and abroad at present. Also, the darkroom testing phase of the radar antenna is an important phase in the development of the radar. Antenna darkroom testing generally includes near field testing and far field testing. The darkroom test of the antenna needs an antenna test device, solves the parameters of parallelism and the like between an antenna array surface and a darkroom scanning frame, and sets the azimuth direction, the pitching angle and the like of the antenna.
Disclosure of Invention
Technical problem to be solved
Based on the above problem, this disclosure provides a three-dimensional high accuracy antenna revolving stage testing arrangement to alleviate technical problems such as the azimuth of antenna among the prior art points to, every single move angle.
(II) technical scheme
The utility model provides a three-dimensional high accuracy antenna revolving stage testing arrangement, includes:
the antenna test bracket is used for bearing a test antenna; and
and the driving mechanism is used for driving the antenna test support to drive the test antenna to rotate in a three-dimensional manner.
In an embodiment of the present disclosure, the antenna test stand includes:
the two ends of one side of the bottom plate are respectively connected with one end of the first support and one end of the second support; and
and two ends of the top support are respectively connected with the other end of the first support and the other end of the second support.
In an embodiment of the present disclosure, the driving mechanism includes:
a first drive mechanism comprising:
the first fixed end is used for being fixedly connected with external equipment; and
the first rotating end is connected with the bottom plate and used for driving the bottom plate to rotate;
a second drive mechanism comprising:
the second fixed end is used for being fixedly connected with the first support or the second support; and
the second rotating end is connected with the top bracket and used for driving the top bracket to rotate relative to the first bracket or the second bracket; and
a third drive mechanism comprising:
the third fixed end is fixedly connected with the top bracket; and
and the third rotating end is connected with the test antenna and used for driving the test antenna to rotate relative to the top support.
Further, the first rotating end is connected to the opposite side of the bottom plate to the side connecting the first bracket and the second bracket.
Further, the second stiff end with the second rotation end all is equipped with the fixed orifices that is used for connecting.
Further, the test antenna is provided with an antenna mounting frame, and the antenna mounting frame is fixedly connected with the third driving mechanism.
Further, any one of the first rotating end, the second rotating end and the third rotating end can rotate clockwise or counterclockwise just facing to the axis direction thereof.
Furthermore, the rotating shaft of the first rotating end, the rotating shaft of the second rotating end and the rotating shaft of the third rotating end are not parallel to each other.
In an embodiment of the present disclosure, the driving mechanism includes:
and the driving motor is used for providing power for the driving mechanism.
In the embodiment of the present disclosure, the motor receives a control signal through a data interface, and the control signal is used to control the motor to rotate, so as to adjust the pointing direction of the antenna.
(III) advantageous effects
According to the technical scheme, the three-dimensional high-precision antenna turntable testing device at least has one or part of the following beneficial effects:
(1) the pitching and azimuth angles of the antenna can be adjusted with high precision;
(2) the problem of rotation of the antenna in three directions is solved, and the leveling efficiency of the antenna is greatly improved; and
(3) by designing the antenna bracket, the test of the antenna array surface darkroom with various models and sizes can be compatible.
Drawings
Fig. 1 is an assembly schematic diagram of a three-dimensional high-precision antenna turntable testing device according to an embodiment of the present disclosure.
Fig. 2 is a schematic view of a driving mechanism of a three-dimensional high-precision antenna turntable testing device according to an embodiment of the present disclosure.
Fig. 3 is a schematic view of a fixing hole of a driving mechanism of a three-dimensional high-precision antenna turntable testing device according to an embodiment of the present disclosure.
[ description of main reference numerals in the drawings ] of the embodiments of the present disclosure
1 testing an antenna;
101 an antenna mounting;
2, a bottom plate;
3 a first support;
4 a second support;
5, a top bracket;
6 a first drive mechanism;
7 a second drive mechanism;
8 a third drive mechanism;
801 fixing holes;
9 driving the motor;
10 data interface.
Detailed Description
The utility model provides a three-dimensional high accuracy antenna revolving stage testing arrangement, the device can realize carrying out the adjustment of high accuracy to antenna every single move and azimuth angle, has solved the rotation problem of antenna in three direction, improves the leveling efficiency of antenna greatly, through designing the antenna support, can compatible multiple model size's antenna array face darkroom test. Can overcome the main defects and shortcomings of the existing testing device.
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
In an embodiment of the present disclosure, there is provided a three-dimensional high-precision antenna turntable testing apparatus, as shown in fig. 1 to 3, the apparatus including: the antenna test bracket is used for bearing the test antenna 1; and the driving mechanism is used for driving the antenna test bracket to drive the antenna test bracket to rotate.
In an embodiment of the present disclosure, the antenna test stand includes: two ends of one side of the bottom plate 2 are respectively connected with one end of the first bracket 3 and one end of the second bracket 4; and a top bracket 5 having both ends connected to the other end of the first bracket 3 and the other end of the second bracket 4, respectively.
In an embodiment of the present disclosure, the driving mechanism includes: a first drive mechanism 6 comprising: the first fixed end is used for being fixedly connected with external equipment; the first rotating end is connected with the bottom plate and used for driving the bottom plate to rotate;
a second drive mechanism 7 comprising: a second fixed end for fixedly connecting with the first bracket 3 or the second bracket 4; a second rotation end connected to the top bracket 5 for driving the top bracket 5 to rotate relative to the first bracket 3 or the second bracket 4;
a third drive mechanism 8 comprising: a third fixed end, which is used for being fixedly connected with the top bracket 5; and a third rotating end connected to the test antenna 1 for driving the test antenna 1 to rotate relative to the top bracket 5.
In the embodiment of the present disclosure, the first rotating end is connected to the opposite side of the bottom plate 2 to the side connecting the first bracket 3 and the second bracket 4.
In the embodiment of the present disclosure, the second fixing end and the second rotating end are both provided with a fixing hole 801 for connection.
In the embodiment of the present disclosure, the test antenna has an antenna mounting bracket 101, and the antenna mounting bracket 101 is fixedly connected to the third driving mechanism 8.
In the embodiment of the present disclosure, the first rotating end, the second rotating end and the third rotating end can rotate clockwise or counterclockwise right opposite to the axial direction of the first rotating end, the second rotating end and the third rotating end.
In an embodiment of the disclosure, the rotation axis of the first rotation end, the rotation axis of the second rotation end, and the rotation axis of the third rotation end are not parallel to each other.
In an embodiment of the present disclosure, the first rotating end, the second rotating end, and the third rotating end can rotate in an interlocking manner.
In an embodiment of the present disclosure, the driving mechanism includes: and the driving motor 9 is used for providing power for the driving mechanism.
In the embodiment of the present disclosure, the motor receives a control signal through the data interface 10, and the control signal is used to control the motor to rotate, so as to adjust the pointing direction of the antenna.
Specifically, in the embodiment of the present disclosure, as shown in fig. 1 to 3, the antenna support can be designed to be compatible with darkroom testing of antenna fronts of various models and sizes, and the pitching and azimuth angles of the antenna fronts can be adjusted with high precision, so that the problem of rotation of the antenna in three directions is solved, and the leveling efficiency of the antenna is greatly improved.
The utility model discloses a three-dimensional high accuracy antenna revolving stage testing arrangement, above-mentioned three-dimensional high accuracy antenna revolving stage testing arrangement includes: the antenna testing device comprises an antenna testing support, a driving motor 9 and an antenna mounting rack 101;
in the embodiment of the present disclosure, the antenna testing bracket includes a bottom plate, a first bracket, a second bracket, and a top bracket, and the antenna testing bracket is connected by screws in a splicing manner.
In the embodiment of the present disclosure, the driving mechanisms are respectively located at the bottom, the side of the second bracket 4 and the top of the testing bracket, and are respectively connected and fixed with the bottom plate 2, the second bracket 3 and the top bracket 5 of the antenna testing bracket through screws.
In the embodiment of the present disclosure, the driving mechanism has a data interface 10, which can be controlled to rotate the motor and adjust the direction of the antenna.
In the embodiment of the present disclosure, the upper and lower surfaces of the driving mechanism are provided with fixing holes 801 to fix the antenna test stand and the antenna mounting block 101. The antenna mounting bracket 101 is fixed to a driving mechanism at the top to realize the fixation with the test antenna 1.
In the embodiment of the disclosure, the three-dimensional high-precision antenna turntable testing device can realize 180-degree rotation in three axial directions.
Specifically, in the embodiment of the present disclosure, as shown in fig. 1, the three-dimensional high-precision antenna turntable testing device is represented in a cartesian coordinate system, which may be represented as: the rotation axis of the first rotation end of the first drive mechanism 6 coincides with the Z axis, the rotation axis of the second rotation end of the second drive mechanism 7 coincides with the X axis, and the rotation axis of the third rotation end of the third drive mechanism 8 coincides with the Y axis.
Further, when the third rotation end rotates around the Y axis as the rotation axis, the test antenna 1 is driven to rotate around the Y axis.
Further, when the second rotating end rotates around the X axis, the top bracket 5, the third driving mechanism 8 mounted on the top bracket 5 and the test antenna 1 connected thereto are driven to rotate around the X axis.
Further, when the first rotation end rotates about the Z axis, the bottom plate 2, the first bracket 3, the second bracket 4, the second driving mechanism 7, the top bracket 5, the third driving mechanism 8, and the test antenna 1 are driven to rotate about the Z axis.
So far, the embodiments of the present disclosure have been described in detail with reference to the accompanying drawings. It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Further, the above definitions of the various elements and methods are not limited to the various specific structures, shapes or arrangements of parts mentioned in the examples, which may be easily modified or substituted by those of ordinary skill in the art.
From the above description, those skilled in the art should clearly recognize that the three-dimensional high-precision antenna turntable testing device of the present disclosure is provided.
In conclusion, the three-dimensional high-precision antenna turntable testing device can realize high-precision adjustment of the pitching and azimuth angles of an antenna, solves the problem of rotation of the antenna in three directions, greatly improves the leveling efficiency of the antenna, and can be compatible with antenna array surface darkroom tests of various types and sizes by designing the antenna support. The main defects and shortcomings of the existing testing device can be overcome, and the testing device is a good testing platform in the integrated testing process of the antenna.
It should also be noted that directional terms, such as "upper", "lower", "front", "rear", "left", "right", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present disclosure. Throughout the drawings, like elements are represented by like or similar reference numerals. Conventional structures or constructions will be omitted when they may obscure the understanding of the present disclosure.
And the shapes and sizes of the respective components in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present disclosure. Furthermore, in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Unless otherwise indicated, the numerical parameters set forth in the specification and attached claims are approximations that can vary depending upon the desired properties sought to be obtained by the present disclosure. In particular, all numbers expressing quantities of ingredients, reaction conditions, and so forth used in the specification and claims are to be understood as being modified in all instances by the term "about". Generally, the expression is meant to encompass variations of ± 10% in some embodiments, 5% in some embodiments, 1% in some embodiments, 0.5% in some embodiments by the specified amount.
Furthermore, the word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
The use of ordinal numbers such as "first," "second," "third," etc., in the specification and claims to modify a corresponding element does not by itself connote any ordinal number of the element or any ordering of one element from another or the order of manufacture, and the use of the ordinal numbers is only used to distinguish one element having a certain name from another element having a same name.
In addition, unless steps are specifically described or must occur in sequence, the order of the steps is not limited to that listed above and may be changed or rearranged as desired by the desired design. The embodiments described above may be mixed and matched with each other or with other embodiments based on design and reliability considerations, i.e., technical features in different embodiments may be freely combined to form further embodiments.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Also in the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the disclosure, various features of the disclosure 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 disclosed aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed disclosure requires more features than are expressly recited in each claim. Rather, as the following claims reflect, disclosed aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this disclosure.
The above-mentioned embodiments are intended to illustrate the objects, aspects and advantages of the present disclosure in further detail, and it should be understood that the above-mentioned embodiments are only illustrative of the present disclosure and are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. A three-dimensional high-precision antenna turntable testing device comprises:
the antenna test bracket is used for bearing a test antenna; and
and the driving mechanism is used for driving the antenna test support to drive the test antenna to rotate in a three-dimensional manner.
2. The three-dimensional high-precision antenna turret testing device of claim 1, wherein the antenna test stand comprises:
the two ends of one side of the bottom plate are respectively connected with one end of the first support and one end of the second support; and
and two ends of the top support are respectively connected with the other end of the first support and the other end of the second support.
3. The three-dimensional high-precision antenna turret testing device according to claim 2, wherein the driving mechanism includes:
a first drive mechanism comprising:
the first fixed end is used for being fixedly connected with external equipment; and
the first rotating end is connected with the bottom plate and used for driving the bottom plate to rotate;
a second drive mechanism comprising:
the second fixed end is used for being fixedly connected with the first support or the second support; and
the second rotating end is connected with the top bracket and used for driving the top bracket to rotate relative to the first bracket or the second bracket; and
a third drive mechanism comprising:
the third fixed end is fixedly connected with the top bracket; and
and the third rotating end is connected with the test antenna and used for driving the test antenna to rotate relative to the top support.
4. The three-dimensional high-precision antenna turntable testing device according to claim 3, wherein the first rotating end is connected to an opposite side of the bottom plate to a side where the first bracket and the second bracket are connected.
5. The three-dimensional high-precision antenna turntable testing device according to claim 3, wherein the second fixed end and the second rotating end are provided with fixing holes for connection.
6. The three-dimensional high-precision antenna turntable testing device of claim 3, wherein the test antenna has an antenna mounting bracket fixedly connected to the third driving mechanism.
7. The three-dimensional high-precision antenna turntable testing device according to claim 3, wherein any one of the first rotating end, the second rotating end and the third rotating end can rotate clockwise or counterclockwise right in the axial direction thereof.
8. The three-dimensional high-precision antenna turntable testing device according to claim 3, wherein a rotating shaft of the first rotating end, a rotating shaft of the second rotating end and a rotating shaft of the third rotating end are not parallel to each other.
9. The three-dimensional high-precision antenna turret testing device according to claim 1, wherein the driving mechanism includes:
and the driving motor is used for providing power for the driving mechanism.
10. The three-dimensional high-precision antenna turntable testing device according to claim 1, wherein the motor receives a control signal through a data interface, and the control signal is used for controlling the motor to rotate so as to adjust the pointing direction of the antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329810.1A CN112904096A (en) | 2021-03-26 | 2021-03-26 | Three-dimensional high-precision antenna turntable testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329810.1A CN112904096A (en) | 2021-03-26 | 2021-03-26 | Three-dimensional high-precision antenna turntable testing device |
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| Publication Number | Publication Date |
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| CN112904096A true CN112904096A (en) | 2021-06-04 |
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| CN202110329810.1A Pending CN112904096A (en) | 2021-03-26 | 2021-03-26 | Three-dimensional high-precision antenna turntable testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300828A (en) * | 2021-12-22 | 2022-04-08 | 中国电信股份有限公司 | Antenna support |
| US20230133841A1 (en) * | 2021-11-01 | 2023-05-04 | Milliwave Silicon Solutions, Inc. | Multi-axis test equipment |
-
2021
- 2021-03-26 CN CN202110329810.1A patent/CN112904096A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230133841A1 (en) * | 2021-11-01 | 2023-05-04 | Milliwave Silicon Solutions, Inc. | Multi-axis test equipment |
| US11892492B2 (en) * | 2021-11-01 | 2024-02-06 | Milliwave Silicon Solutions, Inc. | Multi-axis test equipment |
| CN114300828A (en) * | 2021-12-22 | 2022-04-08 | 中国电信股份有限公司 | Antenna support |
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