CN219162356U - Quick automatic test equipment for front-end performance of millimeter wave radar - Google Patents

Abstract

The utility model provides a rapid automatic testing device for the front-end performance of a millimeter wave radar, which comprises: the system comprises a plurality of corner reflectors, a test main board and a tested millimeter wave radio frequency front end, wherein the test main board is used for fixing the tested millimeter wave radio frequency front end, and the test main board enters a test mode after being electrified; the corner reflectors are distributed on the top of the automatic test equipment and are used for positioning millimeter wave reflection targets and signal intensity. The rapid automatic testing equipment for the front-end performance of the millimeter wave radar provided by the embodiment of the utility model does not need to additionally use instruments and equipment, has low cost, and is high in product detection speed, suitable for mass production of the millimeter wave radio frequency front-end and capable of realizing automatic testing.

Description

Quick automatic test equipment for front-end performance of millimeter wave radar

Technical Field

The utility model relates to the technical field of radio wave reflection positioning and presence detection, in particular to a rapid automatic testing device for front-end performance of a millimeter wave radar.

Background

The radio frequency instrument test mainly adopts a frequency spectrograph, a signal generator and a network analyzer to test the radio frequency performance of the millimeter wave radar; the radio frequency performance test index is accurate and the consistency is high; but has the following problems:

1. millimeter wave frequency band equipment instrument: the cost of the spectrometer, the signal generator and the network analyzer is very high; 2. different test projects need to be tested respectively, the test time is long, the efficiency is low, and the test cost is high; 3. distinguishing between angles of interest in a test

Therefore, a new rapid automatic test equipment for the front-end performance of the millimeter wave radar is needed to solve the above problems.

Disclosure of Invention

The present utility model provides a rapid automatic test equipment for millimeter wave radar front end performance which overcomes the above problems or at least partially solves the above problems, and according to a first aspect provided by the present utility model, the present utility model provides a rapid automatic test equipment for millimeter wave radar front end performance, comprising:

the system comprises a plurality of corner reflectors, a test main board and a tested millimeter wave radio frequency front end, wherein the test main board is used for fixing the tested millimeter wave radio frequency front end, and the test main board enters a test mode after being electrified; the corner reflectors are distributed on the top of the automatic test equipment and are used for positioning millimeter wave reflection targets and signal intensity.

The number of the corner reflectors is three, and the distance and the angle are fixedly set in advance.

Wherein, the quick automatic test equipment of millimeter wave radar front end performance still includes:

the wave-absorbing material is uniformly attached to the surface of the rapid automatic test equipment and absorbs signals reflected by stray in the test process.

Wherein, the quick automatic test equipment of millimeter wave radar front end performance still includes:

and the square-shaped structural frame is provided with all accessories which are installed and fixed on the square-shaped structural frame.

The rapid automatic testing equipment for the front-end performance of the millimeter wave radar provided by the embodiment of the utility model does not need to additionally use instruments and equipment, has low cost, and is high in product detection speed, suitable for mass production of the millimeter wave radio frequency front-end and capable of realizing automatic testing.

Drawings

Fig. 1 is a schematic structural diagram of a rapid automatic testing device for front-end performance of a millimeter wave radar according to an embodiment of the present utility model;

fig. 2 is a schematic flow chart of a method for testing the radio frequency performance of the front end of the millimeter wave radar according to an embodiment of the present utility model.

Reference numerals: 1. a corner reflector; 2. a frame of a loop-shaped structure; 3. a wave absorbing material; 4. testing a main board; 5. millimeter wave radio frequency front end to be tested

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Fig. 1 is a schematic structural diagram of a rapid automatic testing device for front-end performance of a millimeter wave radar according to an embodiment of the present utility model, as shown in fig. 1, including:

the system comprises a plurality of corner reflectors, a test main board and a tested millimeter wave radio frequency front end, wherein the test main board is used for fixing the tested millimeter wave radio frequency front end, and the test main board enters a test mode after being electrified; the corner reflectors are distributed on the top of the automatic test equipment and are used for positioning millimeter wave reflection targets and signal intensity.

Specifically, fig. 2 is a schematic flow chart of a method for testing radio frequency performance of a front end of a millimeter wave radar according to an embodiment of the present utility model, as shown in fig. 2, an operation flow using the present device is as follows:

step 1: the test main board burns and records test standard data,

step 2: inserting the millimeter wave radio frequency front end into a test main board;

step 3: powering up the test main board, and automatically entering a test mode;

step 4.1: detecting the corner reflector object 1 data { distance: (X1 m, Y1m, Z1 m); signal strength: a1dBm; angle: θ1 degrees }; comparing the test result with standard data;

step 4.2: if the target 1 index is met, performing the next target 2 detection;

if the target 1 index is not met, the test main board is lighted with red light, the millimeter wave radio frequency front end is abnormal, and the test is completed

Step 5.1: detecting the corner reflector object 2 data { distance: (X2 m, Y2m, Z2 m); signal strength: a2dBm; angle: θ2 degrees }; comparing the test result with standard data;

step 5.2: if the target 2 index is met, performing next target 3 detection;

if the target 2 index is not met, the main board is tested to light a red light, the millimeter wave radio frequency front end is abnormal, and the test is completed

Step 6.1: detecting the corner reflector object 2 data { distance: (X3 m, Y3m, Z3 m); signal strength: a3dBm; angle: θ3 degrees }; comparing the test result with standard data;

step 6.2: if the target 3 index is met, the main board is tested to light a green light, the millimeter wave radio frequency front end is normal, and the test is completed;

if the target 3 index is not met, the test main board lights a red light, the millimeter wave radio frequency front end is abnormal, and the test is completed.

Preferably, the number of the corner reflectors is three, and the distance and the angle are fixedly set in advance.

It will be appreciated that three preferred exemplary cases of embodiments of the present utility model are described below, with the following preferred settings for the specific parameters of the present utility model:

1: corner reflector target 1{ distance: (0 m,1 m); signal strength: -70dBm; angle: 0 degree }

2: corner reflector target 2{ distance: (0.4 m,0m,1 m); signal strength: -76dBm; angle: 22 degrees }

3: corner reflector target 3{ distance: (-0.5 m,0m,1 m); signal strength: -80dBm; angle: 26 degrees }

4: corner reflector target 1 standard data:

distance {: (0.+ -. 0.1, 1.+ -. 0.1 m); signal strength: -70±Δ3dbm; angle: 0 + -Delta2 degrees })

5: corner reflector target 2 standard data:

distance {: (0.4.+ -. Δ0.1, 0.+ -. Δ0.1, 1.+ -. Δ0.1 m); signal strength: -76±Δ3dbm; angle: 22 + -Delta2 degrees })

6: corner reflector target 3 standard data:

distance {: (-0.5.+ -. 0.1, 0.+ -. 0.1, 1.+ -. 0.1 m); signal strength: -80±Δ3dbm; angle: 26.+ -. 2 degrees }

As shown in fig. 1, the rapid automatic testing device for front-end performance of millimeter wave radar further includes:

the wave-absorbing material is uniformly attached to the surface of the rapid automatic test equipment and absorbs signals reflected by stray in the test process.

On the basis of the above embodiment, the rapid automatic test equipment for millimeter wave radar front end performance further includes:

and the square-shaped structural frame is provided with all accessories which are installed and fixed on the square-shaped structural frame.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.

Finally, the methods of the present application are only preferred embodiments and are not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. A rapid automatic test equipment for millimeter wave radar front end performance, comprising:

the system comprises a plurality of corner reflectors, a test main board and a tested millimeter wave radio frequency front end, wherein the test main board is used for fixing the tested millimeter wave radio frequency front end, and the test main board enters a test mode after being electrified; the corner reflectors are distributed on the top of the automatic test equipment and are used for positioning millimeter wave reflection targets and signal intensity.

2. The rapid automatic test equipment for millimeter wave radar front-end performance according to claim 1, wherein the number of the corner reflectors is three, and the distance and the angle are fixedly set in advance.

3. The rapid automatic test equipment for millimeter wave radar front-end performance according to claim 2, characterized in that the rapid automatic test equipment for millimeter wave radar front-end performance further comprises:

the wave-absorbing material is uniformly attached to the surface of the rapid automatic test equipment and absorbs signals reflected by stray in the test process.

4. The rapid automatic test equipment for millimeter wave radar front end performance according to claim 3, wherein the rapid automatic test equipment for millimeter wave radar front end performance further comprises:

and the square-shaped structural frame is provided with all accessories which are installed and fixed on the square-shaped structural frame.

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