CN215986468U - Double-mechanical-arm whole vehicle radar antenna housing test system - Google Patents
Double-mechanical-arm whole vehicle radar antenna housing test system Download PDFInfo
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- CN215986468U CN215986468U CN202122114880.3U CN202122114880U CN215986468U CN 215986468 U CN215986468 U CN 215986468U CN 202122114880 U CN202122114880 U CN 202122114880U CN 215986468 U CN215986468 U CN 215986468U
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Abstract
The utility model relates to a double-mechanical-arm whole vehicle radar antenna housing test system, which comprises: the method comprises the following steps: the system comprises a first mechanical arm, a second mechanical arm, a supporting platform and a control system; the first mechanical arm, the second mechanical arm and the supporting platform are arranged in a microwave darkroom; a first skin or a second skin of the millimeter wave radar which is taken as a to-be-detected part and is detached from the whole vehicle is placed on the supporting platform; the first skin is a radome in front of the radar module; the first skin is a non-metal shelter; the second cover is a bumper or a vehicle mark at the front end of the radar module; the first mechanical arm and the second mechanical arm are arranged on two sides of the piece to be detected; the control system is connected with the first mechanical arm and the second mechanical arm through electric signals and used for controlling the movement of the first mechanical arm and the second mechanical arm according to the test target. The method enables the whole vehicle radar to complete the whole vehicle bumper test of radar power diagram, antenna directional diagram and skin electrical thickness uniformity under the use scene of the first skin and the second skin.
Description
Technical Field
The utility model relates to the technical field of radar testing, in particular to a double-mechanical-arm whole vehicle radar antenna housing testing system.
Background
The millimeter wave radar is arranged on the whole vehicle to form two structures, namely a first skin and a second skin. The non-metal shielding object in front of the antenna of the radar module is called a first skin; the bumper or vehicle emblem in front of the radar module is referred to as the second skin.
At present, when a millimeter wave radar installed on a whole vehicle is tested, the radar, a first skin and a second skin are usually separated to be tested, and the separated radar, the first skin and the second skin are separated to be tested. However, this test has problems:
firstly, the actual application environment changes, which is not the actual application environment, and the test result has problems;
secondly, in the test mode, a part of the second skin needs to be cut off from the whole vehicle to damage the tested piece. However, the integral tooling of the second skin is difficult if not cut, because:
1) the second skin is large in flexibility, very soft and easy to deform (such as bend), and the test result obtained under the test of the deformed second skin is different from that of the deformed second skin;
2) the second skin is about two meters in length, and is not suitable for being placed on a rotating turntable, but during testing, the actual testing process needs to be rotated.
Therefore, how to complete the whole vehicle bumper test of radar power diagram, antenna directional diagram and skin electrical thickness uniformity under the use scene of the whole vehicle radar, the first skin and the second skin, and obtain the directional diagram distortion optimization of the combination of the test radar module antenna and the first skin and the integral directional diagram distortion optimization of the radar module antenna, the first skin and the second skin, is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-mechanical-arm whole vehicle radar antenna housing test system, so that a whole vehicle radar can complete a whole vehicle bumper test of radar dynamics, an antenna directional diagram and skin electrical thickness uniformity under the use scene of a first skin and a second skin.
The utility model discloses a double-mechanical-arm whole vehicle radar antenna housing testing system, which comprises: the system comprises a first mechanical arm, a second mechanical arm, a supporting platform and a control system; the first mechanical arm, the second mechanical arm and the supporting platform are arranged in a microwave darkroom; a first skin or a second skin of the millimeter wave radar which is detached from the whole vehicle and serves as a piece to be detected is placed on the supporting platform; the first skin is a radome in front of the radar module; the first skin is a non-metal shelter; the second cover is a bumper or a vehicle mark at the front end of the radar module; the first mechanical arm and the second mechanical arm are arranged on two sides of the piece to be detected; the control system is connected with the first mechanical arm and the second mechanical arm through electric signals and used for controlling the movement of the first mechanical arm and the second mechanical arm according to a test target.
Further, in the two-mechanical-arm whole vehicle radar antenna housing test system, the first mechanical arm is provided with a test receiving antenna; the second mechanical arm is provided with a transmitting antenna; the normal of the transmitting antenna of the second mechanical arm is aligned to the normal of the test receiving antenna of the first mechanical arm in real time; the second skin is placed on the support platform.
Further, in the two-mechanical-arm whole vehicle radar antenna housing test system, the first mechanical arm is provided with a radio frequency front end of a radar target simulator; the millimeter wave radar is mounted on the second mechanical arm; the second skin is placed on the supporting platform; the control system controls the first mechanical arm to rotate by taking the millimeter wave radar as a circle center so as to obtain a radar force diagram of the millimeter wave radar.
Further, in the two-mechanical-arm whole vehicle radar antenna housing test system, the first mechanical arm is provided with a test receiving antenna; the second mechanical arm is provided with a radar PCB; the first skin is arranged on the supporting platform; the control system controls the first mechanical arm to rotate by taking the radar PCB as a circle center so as to obtain a radar power diagram and an antenna directional diagram of the radar PCB.
Further, in the two-robot-arm complete-vehicle radar antenna housing test system, the distance between the first robot arm and the second robot arm is 50cm to 100 cm.
Further, the whole vehicle radar antenna housing test system with the two mechanical arms further comprises a wave absorption plate; the wave absorbing plate is an arc-shaped vertical plate, and the arc-shaped vertical plate comprises a front panel, a first side plate, a second side plate, a first inclined plate connected between the front panel and the first side plate, and a second inclined plate connected between the front panel and the second side plate; the first side plate, the first inclined plate, the front panel, the second inclined plate and the second side plate are sequentially connected to form an arc-shaped vertical plate which is perpendicular to the ground and is positioned on the periphery of the first mechanical arm; the surface of the arc-shaped vertical plate is covered with a wave-absorbing material.
Further, in the two-mechanical-arm whole vehicle radar antenna housing test system, the test receiving antenna and the transmitting antenna are horn antennas.
The double-mechanical-arm whole vehicle radar antenna housing test system comprehensively tests a to-be-tested part which is arranged on a supporting platform and detached from a whole vehicle and takes a first skin and a second skin as a whole by means of a first mechanical arm and a second mechanical arm, and realizes the following functions:
the first mechanical arm is provided with a test receiving antenna, the first mechanical arm can test the motion of multiple degrees of freedom of the mechanical arm of the receiving antenna by means of clamping and is aligned with the second mechanical arm in real time, and the electrical thickness uniformity of the second skin, namely the electrical thickness uniformity of a common automobile bumper, is tested.
The second function is that the first mechanical arm is provided with a radio frequency front end of the radar target simulator, the second mechanical arm is provided with a radar module, and the middle supporting platform is a second skin; after the relative position of the second mechanical arm and the second skin is adjusted, the first mechanical arm rotates the test radar power diagram by taking the radar as a circle center, and matching optimization of the test radar module and the second skin is achieved.
And thirdly, the first mechanical arm is provided with a test receiving antenna, the second mechanical arm is provided with a radar PCB, the middle supporting platform is provided with a first skin, the second mechanical arm and the first skin are fixed after the relative position is adjusted, the first mechanical arm rotates an antenna directional diagram of the test radar PCB by taking the radar PCB as a circle center, and then the matching optimization of the test radar PCB and the first skin is measured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a first mechanical arm in an embodiment of a two-mechanical-arm vehicle radar antenna housing testing system of the present invention;
FIG. 2 is a schematic diagram of a second robot in an embodiment of a dual-robot complete vehicle radome test system according to the present invention;
FIG. 3 is a top view of an embodiment of a dual-robot-arm complete vehicle radar antenna housing testing system of the present invention;
fig. 4 is a schematic perspective view of a two-robot-arm antenna housing testing system of the whole vehicle radar of the present invention;
fig. 5 is a schematic structural diagram of a wave absorbing plate arranged on a first mechanical arm in an embodiment of the two-mechanical-arm complete-vehicle radar antenna housing testing system of the utility model.
Description of reference numerals:
1 first arm
2 second mechanical arm
3 support platform
4 test receiving antenna
5 transmitting antenna
6 piece to be measured
7 arc-shaped vertical plate
71 front panel
72 first side plate
73 second side plate
74 first inclined plate
75 second inclined plate
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, a schematic perspective structure and a plan view of an embodiment of a two-robot complete vehicle radome testing system of the present invention, and schematic structural diagrams of a first robot arm and a second robot arm are shown.
Referring to fig. 3, the system for testing the radome of the double-mechanical-arm complete vehicle comprises
A first mechanical arm 1, a second mechanical arm 2, a support platform 3 and a control system. The first robot arm 1, the second robot arm 2 and the support platform 3 are disposed in a microwave dark room (not shown). A first skin or a second skin which is taken as a piece to be measured 6 and is detached from the whole vehicle is placed on the supporting platform 3; the first skin is a radome in front of the radar module; the first skin is a non-metal shelter; the second cover is a bumper or vehicle logo at the front of the radar module. The first mechanical arm 1 and the second mechanical arm 2 are arranged on two sides of the piece to be measured 6; the control system is connected with the first mechanical arm 1 and the second mechanical arm 2 through electric signals and used for controlling the movement of the first mechanical arm 1 and the second mechanical arm 2 according to a test target.
A first test scenario:
in the radar antenna housing test system for the whole vehicle with the two mechanical arms, the first mechanical arm 1 is provided with a test receiving antenna 4; the second mechanical arm 2 is provided with a transmitting antenna 5; the normal of the transmitting antenna 5 of the second mechanical arm 2 is aligned to the normal of the test receiving antenna 4 of the first mechanical arm 1 in real time; a second skin is placed on the support platform 3.
Under the test scene, the following functions can be realized:
a second skin is placed on a supporting platform 3 between the first mechanical arm 1 and the second mechanical arm 2, the first mechanical arm 1 is provided with a test receiving antenna 4, and the test receiving antenna 4 can be aligned with the second mechanical arm 2 in real time by means of movement of multiple degrees of freedom of the mechanical arms for clamping the test receiving antenna 4, so that the electrical thickness uniformity of the second skin, namely the electrical thickness uniformity of a common automobile bumper, can be tested.
The first mechanical arm 1 is provided with a test receiving antenna 4; the second arm 2 is mounted with a transmitting antenna 5. Both the test receiving antenna 4 and the transmitting antenna 5 may be horn antennas.
A second test scenario:
the first mechanical arm 1 is provided with a radio frequency front end of a radar target simulator; the second mechanical arm is provided with a millimeter wave radar; a second skin is placed on the support platform 3; the control system controls the first mechanical arm to rotate by taking the millimeter-wave radar as a circle center so as to obtain a radar force diagram of the millimeter-wave radar.
Under the test scene, the following functions can be realized:
the first mechanical arm 1 is provided with a radio frequency front end of a radar target simulator, the second mechanical arm 2 is provided with a radar module, and the middle supporting platform 3 is a second skin; after the relative positions of the second mechanical arm 2 and the second skin are adjusted, the first mechanical arm 1 rotates the test radar power diagram by taking the radar as a circle center, and matching optimization of the test radar module and the second skin is achieved.
A third test scenario:
the first mechanical arm 1 is provided with a test receiving antenna; the second mechanical arm 2 is provided with a radar PCB; a first skin is arranged on the supporting platform 3; the control system controls the first mechanical arm 1 to rotate by taking the radar PCB as a circle center so as to obtain a radar force diagram of the radar PCB.
Under the test scene, the following functions can be realized:
the test receiving antenna is arranged on the first mechanical arm 1, the radar PCB is arranged on the second mechanical arm 2, the first skin is arranged on the middle supporting platform 3, the second mechanical arm and the first skin are fixed after the relative position is adjusted, the antenna directional diagram of the test radar PCB is rotated by the first mechanical arm 1 by taking the radar PCB as a circle center, and then the matching optimization of the test radar PCB and the first skin is measured.
In a preferred embodiment, the distance between the first arm 1 and the second arm 2 is between 50cm and 100 cm. The distance between the first mechanical arm 1 and the second mechanical arm 2 cannot be too close, because if the distance is too close, the metal of the two mechanical arms generates multipath reflection, and the test result is affected. When the distance between the two is within 50 cm-100 cm, the influence can be ignored.
Referring to fig. 5, the structural schematic diagram of the radar antenna housing testing system for a whole vehicle with two mechanical arms according to the embodiment of the present invention is that a wave absorbing plate is arranged on a first mechanical arm.
It can be seen that, in the radar test system for the whole vehicle with the double mechanical arms, the radar test system further comprises a wave absorption plate. The wave-absorbing plate is an arc-shaped vertical plate 7. The circular arc-shaped vertical plate 7 comprises a front panel 71, a first side plate 72, a second side plate 73, a first inclined plate 74 connected between the front panel 71 and the first side plate 72, and a second inclined plate 75 connected between the front panel 71 and the second side plate 73. The first side plate 72, the first inclined plate 74, the front plate 71, the second inclined plate 75 and the second side plate 73 are sequentially connected to form an arc-shaped vertical plate 7 which is perpendicular to the ground and is located on the periphery of the first mechanical arm 1; the surface of the circular arc-shaped vertical plate 7 is covered with wave-absorbing materials. It should be added that the electrical thickness refers to the wave number of the dielectric layer in the normal direction of the second skin for any test incidence angle.
According to the embodiment, the aiming error is reduced and the second skin directional diagram is improved by adjusting the electrical thickness distribution of the second skin.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a whole car radar antenna house test system of two robotic arms which characterized in that includes:
the system comprises a first mechanical arm, a second mechanical arm, a supporting platform and a control system;
the first mechanical arm, the second mechanical arm and the supporting platform are arranged in a microwave darkroom;
a first skin or a second skin of the millimeter wave radar which is detached from the whole vehicle and serves as a piece to be detected is placed on the supporting platform; the first skin is a radome in front of the radar module; the first skin is a non-metal shelter; the second cover is a bumper or a vehicle mark at the front end of the radar module;
the first mechanical arm and the second mechanical arm are arranged on two sides of the piece to be detected;
the control system is connected with the first mechanical arm and the second mechanical arm through electric signals and used for controlling the movement of the first mechanical arm and the second mechanical arm according to a test target.
2. The two-robot-arm complete-vehicle radar antenna housing testing system according to claim 1,
the first mechanical arm is provided with a test receiving antenna;
the second mechanical arm is provided with a transmitting antenna;
the normal of the transmitting antenna of the second mechanical arm is aligned to the normal of the test receiving antenna of the first mechanical arm in real time;
the second skin is placed on the support platform.
3. The two-robot-arm complete-vehicle radar antenna housing testing system according to claim 1,
the first mechanical arm is provided with a radio frequency front end of a radar target simulator;
the millimeter wave radar is mounted on the second mechanical arm;
the second skin is placed on the supporting platform;
the control system controls the first mechanical arm to rotate by taking the millimeter wave radar as a circle center so as to obtain a radar force diagram of the millimeter wave radar.
4. The two-robot-arm complete-vehicle radar antenna housing testing system according to claim 1,
the first mechanical arm is provided with a test receiving antenna;
the second mechanical arm is provided with a radar PCB;
the first skin is arranged on the supporting platform;
the control system controls the first mechanical arm to rotate by taking the radar PCB as a circle center so as to obtain a radar power diagram and an antenna directional diagram of the radar PCB.
5. The dual-robot complete-vehicle radar radome testing system of any one of claims 1-4,
the distance between the first mechanical arm and the second mechanical arm is 50-100 cm.
6. The dual-mechanical-arm complete vehicle radome testing system according to claim 5,
the wave absorbing plate is also included;
the wave absorbing plate is an arc-shaped vertical plate, and the arc-shaped vertical plate comprises a front panel, a first side plate, a second side plate, a first inclined plate connected between the front panel and the first side plate, and a second inclined plate connected between the front panel and the second side plate;
the first side plate, the first inclined plate, the front panel, the second inclined plate and the second side plate are sequentially connected to form an arc-shaped vertical plate which is perpendicular to the ground and is positioned on the periphery of the first mechanical arm;
the surface of the arc-shaped vertical plate is covered with a wave-absorbing material.
7. The dual-mechanical-arm complete-vehicle radome testing system according to claim 2,
the test receiving antenna and the transmitting antenna are horn antennas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114880.3U CN215986468U (en) | 2021-09-03 | 2021-09-03 | Double-mechanical-arm whole vehicle radar antenna housing test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114880.3U CN215986468U (en) | 2021-09-03 | 2021-09-03 | Double-mechanical-arm whole vehicle radar antenna housing test system |
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| CN215986468U true CN215986468U (en) | 2022-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4332587A1 (en) * | 2022-08-30 | 2024-03-06 | Aptiv Technologies Limited | Sensor mounting device for radar testing |
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2021
- 2021-09-03 CN CN202122114880.3U patent/CN215986468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4332587A1 (en) * | 2022-08-30 | 2024-03-06 | Aptiv Technologies Limited | Sensor mounting device for radar testing |
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