CN111660230A - A test fixture for millimeter wave radar - Google Patents

Abstract

The invention relates to the field of indoor test fixtures of millimeter wave radar production lines, in particular to a test fixture for millimeter wave radars, which comprises a bottom plate, a base arranged on the bottom plate, a connecting plate arranged on the top end of the base, push pincers arranged on the connecting plate, a first radar limiting block and a second radar limiting block which are respectively arranged at the positions of the two side ends of the base and used for positioning and preventing radar displacement, a wire harness socket arranged on the bottom plate and matched with a radar positioned between the first radar limiting block and the second radar limiting block, a radar pressing block arranged on the first radar limiting block and the second radar limiting block and used for fixing the radar, and two groups of linear guide shafts arranged between the radar pressing block and the connecting plate and used for ensuring the stability of the push pincers, wherein a radar connector is connected with the wire harness socket and then pressed by the push pincers, so that when the radar is arranged on the base of, the accuracy of radar test measurement is ensured, and reliable test measurement data is provided.

Description

A test fixture for millimeter wave radar

technical field

The invention relates to the field of indoor test fixtures for millimeter-wave radar production lines, in particular to a test fixture for millimeter-wave radars.

Background technique

As people pay more and more attention to the driving safety of automobiles, the demand for vehicle-mounted millimeter-wave radars is becoming more and more extensive. How to realize mass production of radars has become a difficult problem, and how to ensure that the produced radars can be used normally. The present invention is aimed at mass radars. A series of test fixtures required for production.

The design of the structure needs to consider many factors. On the premise of realizing the function, it also includes the reliability of fixation, practicability, convenient operation, and cost control. The combination of these factors puts forward higher requirements for the design of the fixture.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention proposes a test fixture for millimeter wave radar.

A test fixture for millimeter-wave radar, comprising a base plate, a base set on the base plate, a connecting plate set on the top of the base, a push clamp set on the connecting board, Radar limit block 1 and radar limit block 2 for positioning and preventing radar displacement, a wiring harness socket arranged on the bottom plate and matched with the radar located between the radar limit block 1 and the radar limit block 2, set in the radar limit block The first block and the second radar limit block are used to fix the radar pressure block of the radar, and two sets of linear guide shafts are arranged between the radar pressure block and the connecting plate to ensure the stability of the push clamp.

The two sets of linear guide shafts are respectively matched with the first radar limit block and the second radar limit block.

The connecting plate is provided with two sets of bushings for fixing the two sets of linear guide shafts respectively.

The first radar limit block and the second radar limit block are provided with limit surfaces that cooperate with the radar to place the radar and make the radar slide to realize end face positioning. The radar limit block 1 and the radar limit block A radar positioning slot is arranged between the second and the radar through the limiting surface.

The radar limiting block 1 and the radar limiting block 2 are both provided with stop positioning blocks used for radar positioning.

The radar pressing block is provided with a fitting part 1, and the radar is provided with a fitting part 2 which cooperates with the fitting part 1 to limit the position to ensure that the radar slides in the trajectory of the positioning groove.

The beneficial effects of the invention are that: the radar is installed through the first radar limit block and the second radar limit block, the radar connector is connected with the wire harness socket, and then the push clamp is pressed tightly to ensure that when the radar is installed on the base of the radar, the connector is ensured. The stability and reliability of the radar can meet the high-precision requirements of radar testing, ensure the accuracy of radar testing and measurement, and provide reliable testing and measurement data.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the front view structure schematic diagram of the present invention;

Fig. 3 is the A-A sectional structure schematic diagram of Fig. 2 of the present invention;

Fig. 4 is the B-B sectional structure schematic diagram of Fig. 2 of the present invention;

Fig. 5 is the partial enlarged structural schematic diagram of Fig. 3 of the present invention;

Fig. 6 is the partial enlarged structural schematic diagram of II of Fig. 4 of the present invention;

FIG. 7 is a schematic view showing the enlarged structure of part III of FIG. 2 of the present invention.

Detailed ways

In order to make it easy to understand the technical means, creative features, achieved goals and effects of the present invention, the present invention is further described below.

As shown in FIG. 1 to FIG. 7 , a test fixture for millimeter wave radar includes a base plate 1 , a base 10 disposed on the base plate 1 , a connecting plate 8 disposed on the top of the base 10 , and a connecting plate 7 disposed on the base 10 . The push clamps 9 on the base 10 are respectively arranged at the end positions on both sides of the base 10 for positioning the radar limit block 1 3 and the radar limit block 2 4 to prevent radar displacement. 3. Harness socket for radar matching between radar limit block 2 and 4 Two sets of linear guide shafts 6 between the connecting plate 8 and the connecting plate 8 are used to ensure the stability of the push clamp 9 to push the clamp.

During the radar test, the precise control of the radar test is accomplished by adjusting and aligning the push clamp 9 and the linear guide shaft 6 .

The radar is installed through the radar limit block 1 3 and the radar limit block 2 4. After the radar connector is engaged with the wiring harness socket 2, push the clamp 9 and press it tightly to ensure the stability of the connector when the radar is installed on the base 10 of the radar. Reliability, meet the high-precision requirements of radar testing, ensure the accuracy of radar testing and measurement, and provide reliable testing and measurement data.

The two sets of linear guide shafts 6 are respectively matched with the radar limiting block 1 3 and the radar limiting block 2 4 .

The connecting plate 8 is provided with two sets of bushings 7 for fixing the two sets of linear guide shafts 6 respectively.

The radar limiting block 1 3 and the radar limiting block 2 4 are both provided with a limiting surface 31 that cooperates with the radar for placing the radar and making the radar slide to realize end face positioning. The radar limiting block 1 3, A radar positioning slot 32 is provided between the second radar limiting block 4 and the radar through the limiting surface 31 .

The radar limiting block 1 3 and the radar limiting block 2 4 are both provided with a stop locating block 41 for positioning the radar.

The radar pressing block 5 is provided with a fitting part 1 51 , and the radar is provided with a fitting part 2 52 which cooperates with the fitting part 1 51 to limit the position to ensure that the radar slides in the trajectory of the positioning groove.

Through the radar positioning groove 32, the stop positioning block 41, the fitting part 1 51 and the fitting part 2 52 arranged on the radar limit block 1 3 and the radar limit block 2 4, the radar is installed and positioned to ensure that the radar is installed and positioned.

The use method of the present invention: the radar is installed in the radar limit block 1 3 and the radar limit block 2 4, the position of the wire harness is aligned with the wire harness socket 2 after the radar position is positioned, and the pusher 9 pushes the radar pressure block to compress, so that the radar connector Locked position after close fit with harness socket 2.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various Such changes and improvements fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a be used for millimeter wave radar test fixture, includes bottom plate (1), sets up base (10) on bottom plate (1), its characterized in that: still including setting up connecting plate (8) on base (10) top, set up push away pincers (9) on connecting plate (7), set up respectively and be used for fixing a position radar stopper one (3) and radar stopper two (4) that prevent the radar displacement in base (10) both sides position department, set up on bottom plate (1) and with be located radar stopper one (3) and radar stopper two (4) between radar complex pencil socket (2), set up radar briquetting (5) that are used for fixed radar on radar stopper one (3) and radar stopper two (4), set up between radar briquetting (5) and connecting plate (8) and be used for ensureing to push away two sets of linear guiding axle (6) that pincers (9) pushed away the stability of pressing from both sides.

2. The millimeter wave radar test fixture of claim 1, wherein: and the two groups of linear guide shafts (6) are respectively matched with the first radar limiting block (3) and the second radar limiting block (4).

3. The millimeter wave radar test fixture of claim 1, wherein: and two groups of bushings (7) which are respectively used for fixing two groups of linear guide shafts (6) are arranged on the connecting plate (8).

4. The millimeter wave radar test fixture of claim 1, wherein: radar stopper one (3) and radar stopper two (4) on all be provided with and be used for placing the radar and make the radar slide and realize spacing face (31) of terminal surface location with the radar cooperation, radar stopper one (3), radar stopper two (4) and radar between be provided with radar constant head tank (32) through spacing face (31).

5. The millimeter wave radar test fixture of claim 1, wherein: and the first radar limiting block (3) and the second radar limiting block (4) are respectively provided with a stopping positioning block (41) for positioning the radar.

6. The millimeter wave radar test fixture of claim 1, wherein: radar briquetting (5) on be provided with laminating portion one (51), the radar on be provided with laminating portion one (51) the spacing laminating portion two (52) of guaranteeing the radar gliding in the orbit of constant head tank of cooperation.

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