CN219417725U - Radar calibration device internally provided with electronic compass - Google Patents
Radar calibration device internally provided with electronic compass Download PDFInfo
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- CN219417725U CN219417725U CN202320773418.0U CN202320773418U CN219417725U CN 219417725 U CN219417725 U CN 219417725U CN 202320773418 U CN202320773418 U CN 202320773418U CN 219417725 U CN219417725 U CN 219417725U
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- platform
- electronic compass
- radar
- calibration device
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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 radar calibration device with an electronic compass inside, which comprises: the adjustable platform support, platform and revolving stage have upwards set gradually on adjustable platform support top, are provided with antenna array face fixed plate on the revolving stage, and adjustable platform support is including the support body, and the platform sets up in the top of support body, is provided with a plurality of adjustment subassembly between support body and the platform, and adjustment subassembly includes the screw member that closes the connection soon with support body top surface, and the accessible rotates the screw member and adjusts self for the height of support body. The calibration device provided by the utility model is used as a platform for calibrating the radar with the electronic compass inside, can provide a horizontal environment, can adapt to different environments through the adjustment component, ensures that the radar can still be in a horizontal state under different environments, and provides a tamping foundation for accurately calibrating the north angle and the pitch angle of the radar.
Description
Technical Field
The utility model relates to a radar calibration device with an electronic compass inside.
Background
In the individual investigation radar or other portable radar series products, the positioning and orientation system usually adopts a design mode of combining Beidou and an electronic compass.
The electronics Luo Panbei performs individual calibration to the angle calibration, typically by the compass manufacturer, to eliminate compass system errors. However, for an electronic compass installed inside a radar, the compass is calibrated alone without consideration of a complex magnetic (electromagnetic) environment inside the radar, and the accuracy of the electronic compass inside the radar is low, which often cannot meet the requirements of the radar on the accuracy of the electronic compass. Therefore, the radar with the electronic compass inside usually needs to calibrate the north angle before use, and the calibrating device has strict requirements on levelness when in use, and the normal practice is to make the calibrating device in a horizontal environment. But for other environments it is necessary to adjust the levelness of the calibration device. The level adjustment mechanism in the calibration device is usually implemented by hydraulic or electric components, and although the level adjustment mechanism has certain convenience, certain cost and assembly procedures are required.
Disclosure of Invention
The utility model mainly aims to provide a radar calibration device with an electronic compass inside, which is convenient for adjusting the self level by using a mechanical structure, thereby being suitable for different use environments.
The aim of the utility model can be achieved by adopting the following technical scheme:
a radar calibration device with an electronic compass mounted therein, comprising: the adjustable platform support, adjustable platform support top upwards has set gradually platform and revolving stage, be provided with antenna array face fixed plate on the revolving stage, adjustable platform support is including the support body, the platform sets up in the top of support body, be provided with a plurality of adjustment subassembly between support body and the platform, adjustment subassembly includes the screw member that closes soon with support body top surface and be connected, and self height for the support body is adjusted to the accessible rotatory screw member to this level of adjusting the platform of subassembly top is adjusted.
Preferably, the adjusting assembly further comprises a supporting block arranged between the threaded piece and the platform, and the threaded piece and the supporting block are rotatably connected.
Preferably, the bottom surface of the supporting block is provided with a caulking groove for embedding the top end of the screw.
Preferably, a base is arranged between the platform and the turntable, and the base and the platform are arranged in parallel.
Preferably, the rotation angle range of the turntable is 0-360 degrees, so that the turntable is used for calibrating the north angle.
Preferably, the turntable further comprises an upper computer, wherein the upper computer is in communication connection with the turntable so as to control the rotation of the turntable.
The beneficial technical effects of the utility model are as follows: the calibration device provided by the utility model is used as a platform for calibrating the radar with the electronic compass inside, can provide a horizontal environment, can adapt to different environments through the adjustment component, ensures that the radar can still be in a horizontal state under different environments, and provides a tamping basis for accurately calibrating the north angle of the radar.
Drawings
FIG. 1 is a schematic perspective view of an apparatus according to an embodiment of the utility model;
FIG. 2 is a schematic perspective view of a tunable platform bracket according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of a screw according to an embodiment of the present utility model.
In the figure: the antenna array comprises a 1-adjustable platform bracket, a 101-bracket body, a 102-adjusting component, 1021-screw pieces, 1022-supporting blocks, a 2-platform, a 3-base, a 4-turntable and a 5-antenna array surface fixing plate.
Detailed Description
In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.
As shown in fig. 1 to 3, the radar calibration device with an electronic compass inside provided in this embodiment is used for calibrating a radar north angle, and the calibration device includes a leveling platform bracket 1, a marble platform 2, a base 3, a turntable 4 (including a calibration device control board), an antenna array surface fixing board 5 and an upper computer (computer);
the upper computer is in communication connection with the turntable 4 to control the rotation of the turntable 4, an antenna array surface fixing plate 5 is arranged on the turntable 4, and the turntable 4 can enable the antenna array surface fixing plate 5 to rotate by 360 degrees so as to be used for calibrating the north angle of the electronic compass;
the leveling platform bracket 1 comprises a bracket body 101, a marble platform 2 is arranged at the top of the bracket body 101, five vertically arranged adjusting components 102 are arranged between the bracket body 101 and the marble platform 2, wherein two adjusting components 102 mainly play a role in supporting, three other adjusting components 102 (the three adjusting components 102 form a triangular structure) are used for leveling the marble platform 2, so that the three adjusting components 102 form a plane, the level of the marble platform 2 can be adjusted (whether the platform 2 is level or not can be detected by means of a level gauge in the actual adjusting process), the other two adjusting components 102 are in light contact with the marble platform 2 for auxiliary supporting, the adjusting components 102 comprise threaded pieces 1021 and supporting blocks 1022, the two adjusting components are rotatably connected, the top surface of the supporting blocks 1022 is a horizontal plane, the bottom surface is provided with an embedded groove for embedding the top end of the threaded pieces 1021, the top end of the threaded pieces 1021 is in a spherical structure, the bottom end of the threaded pieces 1021 is screwed on the top surface of the bracket body 101, and the height of the marble platform 2 can be adjusted relative to the bracket body 101 by rotating the threaded pieces 1021, so that the level of the marble 2 above the supporting blocks 1022 can be adjusted;
the marble platform 2 is a platform with the precision grade of national standard 00 grade (0.005 mm/m), which means that the maximum height difference on the surface of the marble platform with the length of 1 meter is not more than 0.005mm, so that the precision can ensure that the marble platform provides a stable and flat reference surface when the radar north angle calibration is carried out, thereby improving the measurement precision;
the base 3 is fixed on the top surface of the marble platform 2 and is parallel to each other;
the turntable 4 is a one-dimensional turntable, can realize 360-degree rotation and is used for calibrating the north angle of the electronic compass;
the antenna array surface fixing plate 5 is mainly used for fixing a radar antenna array surface, the front surface of the antenna array surface fixing plate is matched with an array surface, the flatness of the antenna array surface fixing plate is 0.05, the largest height difference is not more than 0.05 on the front surface of the antenna array surface fixing plate 5 matched with the array surface, the contact between the antenna array surface and the fixing plate is good, accurate measurement and finish degree of 3.2 are guaranteed, meanwhile, the surface is completely vertical to the base 3, the perpendicularity is 0.12, the parameter describing the deviation degree of an included angle between the two planes and 90 degrees is used for measuring the vertical relation between the antenna array surface fixing plate 5 and the base 3, the perpendicularity is 0.12 representing the included angle deviation within the range of 0.12, and the calibration system is helpful for guaranteeing that accurate angle information can be obtained when the calibration system performs measurement;
when the device is used, the radar antenna array surface is connected with the antenna array surface fixing plate mainly through 5 positioning screws and 3 positioning pins, so that the normal direction of the antenna array surface is ensured to be consistent with the normal direction of the mounting surface of the antenna array surface fixing plate, in order to ensure that the antenna array surface keeps a correct angle and direction in the calibration process, the main purpose of the device is to reduce errors and improve measurement accuracy, and the antenna array surface is aligned with the normal direction of the fixing plate 5, so that the measurement result is more accurate when the radar north angle calibration is performed, and the performance of the whole system is improved.
To sum up, in this embodiment, the calibration device provided in this embodiment is used as a platform for calibrating a radar with an electronic compass inside, and can provide a horizontal environment, and the calibration device can adapt to different environments through the adjustment component 102, and the adjustment component 102 adopts a pure mechanical structure, and has a simple structure, so that the cost is low, the use is convenient, the radar can still be in a horizontal state under different environments, and a rammed foundation is provided for accurately calibrating the north angle of the radar.
The above description is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.
Claims (6)
1. A radar calibration device with an electronic compass therein, comprising: but leveling platform support (1), but leveling platform support (1) top upwards has set gradually platform (2) and revolving stage (4), be provided with antenna array face fixed plate (5) on revolving stage (4), but leveling platform support (1) is including support body (101), platform (2) set up in the top of support body (101), be provided with a plurality of adjustment subassembly (102) between support body (101) and platform (2), adjustment subassembly (102) include screw member (1021) that closes with support body (101) top surface spin, and self height for support body (101) is adjusted to accessible rotary screw member (1021) to the level of platform (2) of adjustment subassembly (102) top is adjusted to this.
2. The radar calibration device with an electronic compass installed inside according to claim 1, wherein the adjustment assembly (102) further comprises a supporting block (1022) disposed between the screw member (1021) and the platform (2), and the screw member (1021) and the supporting block (1022) are rotatably connected.
3. The radar calibration device with an electronic compass installed inside according to claim 2, wherein the bottom surface of the supporting block (1022) is provided with a caulking groove for inserting the top end of the screw member (1021).
4. Radar calibration device with an electronic compass inside according to claim 1, characterized in that a base (3) is arranged between the platform (2) and the turntable (4), the base (3) being arranged in parallel with the platform (2).
5. Radar calibration device with an electronic compass inside according to claim 1, characterized in that the rotation angle of the turntable (4) ranges from 0 ° to 360 ° for calibration of the north angle.
6. The radar calibration device with the electronic compass installed inside according to claim 1, further comprising a host computer, wherein the host computer is in communication connection with the turntable (4) to control the rotation of the turntable (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320773418.0U CN219417725U (en) | 2023-04-10 | 2023-04-10 | Radar calibration device internally provided with electronic compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320773418.0U CN219417725U (en) | 2023-04-10 | 2023-04-10 | Radar calibration device internally provided with electronic compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219417725U true CN219417725U (en) | 2023-07-25 |
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ID=87202916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320773418.0U Active CN219417725U (en) | 2023-04-10 | 2023-04-10 | Radar calibration device internally provided with electronic compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219417725U (en) |
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2023
- 2023-04-10 CN CN202320773418.0U patent/CN219417725U/en active Active
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