CN211123251U - Multi-target distinguishing capability testing device for field radar - Google Patents
Multi-target distinguishing capability testing device for field radar Download PDFInfo
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- CN211123251U CN211123251U CN201921171233.2U CN201921171233U CN211123251U CN 211123251 U CN211123251 U CN 211123251U CN 201921171233 U CN201921171233 U CN 201921171233U CN 211123251 U CN211123251 U CN 211123251U
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Abstract
A field radar multi-target distinguishing capability testing device comprises a darkroom testing device and a simulated target device, wherein the darkroom testing device comprises a rotating holder, a testing signal monitoring device, an electrical cabinet and a signal transmission darkroom; the simulation target devices comprise two frame bodies, corner reflector adjusting and fixing devices, pulleys, linear guide rails and linear bearings; in the actual test process, the place radar multi-target discriminative ability testing arrangement passes through the pulley and removes the position of simulation target device, through linear bearing adjustment level, makes the utility model discloses can test out the level of the radar that awaits measuring, the distance of normal direction and the discrimination ability of multi-target more simply, more fast. The utility model has the characteristics of to target identification truer, it is very strong to the distance target identification test of the radar that awaits measuring, the true and reliable of gained test data, the discernment of having solved effective detection area region among the prior art lacks the problem of carrying out the test to the discrimination ability of a plurality of targets.
Description
Technical Field
The utility model relates to a radar test technical field particularly, relates to a place radar multi-target discrimination ability testing arrangement.
Background
In the radar test equipment in the market at present, the radar is concerned about the distinguishing capability of target angles, speeds and distances, and the identification of effective detection areas lacks equipment or instruments for testing the distinguishing capability of a plurality of targets.
Therefore, for the special requirements of radar products in research and development and distance target identification tests, it is necessary to develop a new test device, so that the device has the target distinguishing test capability along the normal direction and the horizontal direction of the radar, and the resolution capability of the radar is tested by moving the test target to different positions.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough among the above-mentioned prior art, the utility model aims to provide a place radar multi-target discriminates ability testing arrangement.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: the utility model provides a place radar multi-target distinguishability testing arrangement which characterized in that: comprises simulating a target device;
the device comprises two simulation target devices, wherein each simulation target device comprises a frame body, a pulley, a corner reflector fixing device, a linear guide rail, a linear bearing and a horizontal adjusting mechanism;
the frame body is of a triangular prism structure, and three pulleys are fixedly arranged below the frame body;
the two linear guide rails comprise a first linear guide rail and a second linear guide rail, the first linear guide rail and the second linear guide rail are fixedly arranged on the frame body, and the first linear guide rail is perpendicular to the second linear guide rail; the second linear guide rail is provided with a first sliding block and a second sliding block, and the first linear guide rail is provided with a third sliding block;
the linear bearings comprise a first linear bearing, a second linear bearing and a third linear bearing; the first linear bearing is vertically and fixedly arranged on the first sliding block, the second linear bearing is vertically and fixedly arranged on the second sliding block, and the third linear bearing is vertically and fixedly arranged on the third sliding block; a brake handle is arranged on the third linear bearing;
the corner reflector fixing devices are three and comprise a first corner reflector fixing device, a second corner reflector fixing device and a third corner reflector fixing device; the first corner reflector fixing device is fixedly arranged at the top of the first linear bearing, the second corner reflector fixing device is fixedly arranged at the top of the second linear bearing, and the third corner reflector fixing device is fixedly arranged at the top of the third linear bearing; the first corner reflector fixing device, the second corner reflector fixing device and the third corner reflector fixing device are fixedly connected with a corner reflector;
the number of the horizontal adjusting mechanisms is three, and the horizontal adjusting mechanisms are fixedly arranged at the bottom of the frame body.
The preferable technical scheme is as follows: the field radar multi-target distinguishing capability testing device also comprises a darkroom testing device; a rotating cradle head, a test signal monitoring device, an electric appliance cabinet and a signal transmission camera bellows are arranged in the darkroom test device; the rotating holder is detachably provided with a radar to be detected;
the preferable technical scheme is as follows: and the first linear bearing, the second linear bearing and the third linear bearing are all provided with a fine adjustment mechanism.
The preferable technical scheme is as follows: and the first sliding block, the second sliding block and the third sliding block are respectively provided with a sliding block fixing mechanism.
The preferable technical scheme is as follows: the leveling mechanism, the fine adjustment mechanism, the sliding block fixing mechanism and the ground fixing mechanism are all of screw rod structures.
The preferable technical scheme is as follows: two connecting parts are arranged below the frame body, and when the frame body is static, the connecting parts are fixedly connected with a ground fixing mechanism.
The preferable technical scheme is as follows: the wave-absorbing cotton wall is arranged in front of the frame body, a support is arranged at an opening of the darkroom testing device, and the wave-absorbing cotton wall is arranged on the support.
The preferable technical scheme is as follows: the darkroom testing device, the frame body all is made by the aluminium alloy.
Due to the application of the technical scheme, compared with the prior art, the invention has the advantages that:
the utility model tests the distinguishing capability of the radar to a plurality of targets in the effective detection area by installing the pulley at the bottom of the simulated target device and moving the simulated target device to different positions; a leveling mechanism is arranged on the simulation target device to adjust the leveling; installing a linear guide rail on the simulation target device to be matched with a corner reflector fixing device to install a corner reflector, so that different corner reflectors can be installed on the simulation target device; install linear bearing on the slider, the cooperation is stopped the handle so that adjust the height of corner reflector, makes the utility model discloses have the target object resolving power to following radar normal direction and horizontal direction. Compare with the conventional apparatus, the utility model discloses a simulation target device that removes, it is more true to target identification. The distance target identification test of the radar to be tested is stronger, and the obtained test data is real and reliable.
Drawings
FIG. 1 is a front view of a darkroom testing apparatus.
FIG. 2 is a front view of a target simulation apparatus.
FIG. 3 is a top view of a target simulation apparatus.
In the above drawings: 1. a darkroom testing device; 2. a test signal monitoring device; 3. rotating the holder; 4. an electrical cabinet; 5. a signal transmission dark box; 6. a support; 7. a wave-absorbing cotton wall; 8. simulating a target device; 9. a frame body; 10. a first linear guide rail; 11. a second linear guide; 12. a third slider; 13. a first slider; 14. a second slider; 15. a slider fixing mechanism; 16. a first linear bearing; 17. a third linear bearing; 18. a second linear bearing; 19. a brake handle; 20. a fine adjustment mechanism; 21. a third corner reflector fixture; 22. a first corner reflector fixture; 23. a second corner reflector fixture; 24. a pulley; 25. a connecting portion; 26. a ground fixing mechanism; 27. and a leveling mechanism is adjusted.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1, fig. 2 and fig. 3. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in detail with reference to the accompanying drawings.
Example (b): a field radar multi-target distinguishing capability testing device comprises a darkroom testing device 1 and a simulation target device 8; a rotating cradle head 3, a test signal monitoring device 2, an electric appliance cabinet 4 and a signal transmission camera bellows 5 are arranged in the darkroom test device 1; a radar to be detected is detachably arranged on the rotating holder 3; the number of the target simulation devices 8 is two, and the target simulation devices comprise a frame body 9, a pulley 24, a corner reflector fixing device, a linear guide rail, a linear bearing and a horizontal adjusting mechanism so as to detect the resolution capability of the radar to be detected on a multi-target object; the frame body 9 is a triangular prism structure, and three pulleys 24 are arranged at the bottom of the frame body 9 so as to move to a required measuring distance; two linear guide rails are provided, and the two linear guide rails comprise a first linear guide rail 10 and a second linear guide rail 11, the first linear guide rail 10 and the second linear guide rail 11 are fixedly arranged on the frame body 9, and the first linear guide rail 10 is perpendicular to the second linear guide rail 11; a first slide block 13 and a second slide block 14 which can move on the guide rails are arranged on the second linear guide rail 11, and a third slide block 12 which can move on the guide rails is arranged on the first linear guide rail 10; the linear bearings comprise a first linear bearing 16, a second linear bearing 18 and a third linear bearing 17; a first linear bearing 16 is vertically and fixedly arranged on the first sliding block 13, a second linear bearing 18 is vertically and fixedly arranged on the second sliding block 14, and a third linear bearing 17 is vertically and fixedly arranged on the third sliding block 12; a brake handle 19 is arranged on the third linear bearing 17 so as to be adjusted to a required height and fixed; the corner reflector fixing devices are three and comprise a first corner reflector fixing device 22, a second corner reflector fixing device 23 and a third corner reflector fixing device 21; the first corner reflector fixing device 22 is fixedly arranged at the top of the first linear bearing 16, the second corner reflector fixing device 23 is fixedly arranged at the top of the second linear bearing 18, and the third corner reflector fixing device 21 is fixedly arranged at the top of the third linear bearing 17; the first corner reflector fixing device 22, the second corner reflector fixing device 23 and the third corner reflector fixing device 21 are fixedly connected with a corner reflector; three leveling mechanisms 27 are fixedly installed at the bottom of the frame body 9 so that the frame body 9 can be leveled by adjusting the leveling mechanisms 27 when the bottom surface is uneven.
The preferred embodiment is: the first linear bearing 16, the second linear bearing 18 and the third linear bearing 17 are all provided with a fine adjustment mechanism 20, so that the height can be finely adjusted while the supporting effect is achieved.
The preferred embodiment is: the first slide block 13, the second slide block 14 and the third slide block 12 are all provided with slide block fixing mechanisms 15 so as to fix the slide blocks at required positions.
The preferred embodiment is: two connecting parts 25 are arranged below the frame body 9, and when the frame body is static, the connecting parts 25 are fixedly connected with a ground fixing mechanism 26 through bolts so as to prevent the frame body 9 from moving and influencing the detection test.
The preferred embodiment is: the leveling mechanism 27, the slider fixing mechanism 15, the fine adjustment mechanism 20 and the ground fixing mechanism 26 are all screw structures.
The preferred embodiment is: the front of the frame body 9 is provided with a wave-absorbing cotton wall 7, the opening of the darkroom testing device is provided with a support 6, and the support 6 is provided with the wave-absorbing cotton wall 7 to avoid the influence of environmental interference on the detection experiment.
The preferred embodiment is: the darkroom testing device 1 and the frame body 9 are made of aluminum profiles, so that the whole body is light, the movement is light, and the structure is firm.
The preferred embodiment is: the field equipment is manually controlled and can be modified into electric control; when the distance is debugged in the testing process, the device needs to move according to a straight ruler below the linear guide rail so as to ensure the accuracy of the measuring result.
The preferred embodiment is: when the corner reflector is installed, the center of the corner reflector is required to be ensured to be horizontal to the center of the radar to be measured and consistent with the normal direction of the radar to be measured so as to obtain accurate measurement data.
The utility model discloses a theory of operation: firstly, adjusting the position of a darkroom testing device 1 to ensure the levelness, and mounting a radar to be tested on a rotating holder; then moving the two simulated target devices to the positions to be detected, adjusting the level of the simulated target devices by adjusting a level mechanism, then adjusting the linear bearing and the rotating holder to the required height, enabling the corner reflector arranged on the corner reflector adjusting and fixing device and the radar to be detected arranged on the rotating holder to reach the level state, adjusting the radar to be detected, enabling the normal direction of the radar to be detected to be aligned to the center of the corner reflector, and finally performing a detection experiment; the test position of the two simulated target devices can be changed in the test process to test the distinguishing capability of the radar to be tested on a plurality of target objects in the effective detection area.
Therefore, compared with the traditional radar detection device, the utility model has the advantages that the pulleys are arranged at the bottoms of the two simulated target devices and are moved to different positions to test the distinguishing capability of the radar to a plurality of targets in the effective detection area; a leveling mechanism is arranged on the simulation target device to adjust the leveling; installing a linear guide rail on the simulation target device to be matched with a corner reflector fixing device to install a corner reflector, so that different corner reflectors can be installed on the simulation target device; install linear bearing on the slider, the cooperation is stopped the handle so that adjust the height of corner reflector, makes the utility model discloses have the target object resolving power to following radar normal direction and horizontal direction. The utility model discloses a moving simulation target device, it is more true to target identification. The distance target identification test of the radar to be tested is stronger, and the obtained test data is real and reliable.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a place radar multi-target distinguishability testing arrangement which characterized in that: comprises simulating a target device;
the device comprises two simulation target devices, wherein each simulation target device comprises a frame body, a pulley, a corner reflector fixing device, a linear guide rail, a linear bearing and a horizontal adjusting mechanism;
the frame body is of a triangular prism structure, and three pulleys are fixedly arranged below the frame body;
the two linear guide rails comprise a first linear guide rail and a second linear guide rail, the first linear guide rail and the second linear guide rail are fixedly arranged on the frame body, and the first linear guide rail is perpendicular to the second linear guide rail; the second linear guide rail is provided with a first sliding block and a second sliding block, and the first linear guide rail is provided with a third sliding block;
the linear bearings comprise a first linear bearing, a second linear bearing and a third linear bearing; the first linear bearing is vertically and fixedly arranged on the first sliding block, the second linear bearing is vertically and fixedly arranged on the second sliding block, and the third linear bearing is vertically and fixedly arranged on the third sliding block; a brake handle is arranged on the third linear bearing;
the corner reflector fixing devices are three and comprise a first corner reflector fixing device, a second corner reflector fixing device and a third corner reflector fixing device; the first corner reflector fixing device is fixedly arranged at the top of the first linear bearing, the second corner reflector fixing device is fixedly arranged at the top of the second linear bearing, and the third corner reflector fixing device is fixedly arranged at the top of the third linear bearing; the first corner reflector fixing device, the second corner reflector fixing device and the third corner reflector fixing device are fixedly connected with a corner reflector;
the number of the horizontal adjusting mechanisms is three, and the horizontal adjusting mechanisms are fixedly arranged at the bottom of the frame body.
2. The field radar multi-target distinguishing capability testing device as claimed in claim 1, wherein: the field radar multi-target distinguishing capability testing device also comprises a darkroom testing device; a rotating cradle head, a test signal monitoring device, an electric appliance cabinet and a signal transmission camera bellows are arranged in the darkroom test device; and the rotating holder is detachably provided with a radar to be detected.
3. The field radar multi-target distinguishing capability testing device as claimed in claim 1, wherein: and the first linear bearing, the second linear bearing and the third linear bearing are all provided with a fine adjustment mechanism.
4. The field radar multi-target distinguishing capability testing device as claimed in claim 3, wherein: and the first sliding block, the second sliding block and the third sliding block are respectively provided with a sliding block fixing mechanism.
5. The field radar multi-target distinguishing capability testing device as claimed in claim 4, wherein: the leveling mechanism, the fine adjustment mechanism and the sliding block fixing mechanism are all screw rods.
6. The field radar multi-target distinguishing capability testing device as claimed in claim 1, wherein: two connecting parts are arranged below the frame body, and when the frame body is static, the connecting parts are fixedly connected with a ground fixing mechanism.
7. The field radar multi-target distinguishing capability testing device as claimed in claim 2, wherein: the wave-absorbing cotton wall is arranged in front of the frame body, a support is arranged at an opening of the darkroom testing device, and the wave-absorbing cotton wall is arranged on the support.
8. The field radar multi-target distinguishing capability testing device as claimed in claim 2, wherein: the darkroom testing device, the frame body all is made by the aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171233.2U CN211123251U (en) | 2019-07-24 | 2019-07-24 | Multi-target distinguishing capability testing device for field radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171233.2U CN211123251U (en) | 2019-07-24 | 2019-07-24 | Multi-target distinguishing capability testing device for field radar |
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| Publication Number | Publication Date |
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| CN211123251U true CN211123251U (en) | 2020-07-28 |
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| CN201921171233.2U Active CN211123251U (en) | 2019-07-24 | 2019-07-24 | Multi-target distinguishing capability testing device for field radar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092432A1 (en) * | 2021-11-25 | 2023-06-01 | 华为技术有限公司 | Radar testing system |
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- 2019-07-24 CN CN201921171233.2U patent/CN211123251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092432A1 (en) * | 2021-11-25 | 2023-06-01 | 华为技术有限公司 | Radar testing system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: 215000 Floor 3, Building 3 (Plant 3), Suzhou Baishiji Automobile Service Building, No. 2266, Sun Road, High speed Railway New Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Ruidi measurement and Control Technology Co.,Ltd. Address before: 314000 1st floor, Building B6, No. 555, Chuangye Road, Dayun Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Ruidi measurement and Control Technology Co.,Ltd. |
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