Automatic test equipment based on millimeter wave radar and use method thereof

Abstract

The invention discloses an automatic test device based on a millimeter wave radar and a use method thereof, and relates to the field of radar test. The automatic test equipment based on the millimeter wave radar comprises an equipment camera obscura whole body, a feeding and discharging unit, a bearing test unit and an electric control test unit, wherein the equipment camera obscura whole body comprises an A-section test turntable module, a B-section test channel module and a C-section electric control test module which are spliced in sequence. According to the automatic test equipment based on the millimeter wave radar, tedious parameter adjustment is not needed, the system carries out code scanning automatic identification model setting parameter testing through the A-section test rotary table module, the process is simple, the test process is short, the test efficiency is high, the test process is in a fully-closed environment, the test process is not interfered, test data fluctuation and errors are small, and the test precision is high. The device is accurate in test result, adopts a modular design, is simple in overall structure, convenient to upgrade and maintain, good in flexibility and suitable for development and test of radars of various models.

Description

Technical Field

[0001] The present invention relates to the field of radar testing technology, and in particular to an automatic testing device based on millimeter wave radar and a use method thereof. Background Art

[0002] As a wireless ranging technology, the performance of millimeter wave radar directly affects the accuracy and reliability of fields such as autonomous driving, intelligent transportation and security monitoring. Through testing, it is verified whether the radar's performance parameters such as ranging, speed measurement, and angle measurement meet the design requirements. Therefore, during the millimeter wave radar's factory delivery process, it is necessary to use test equipment to test the millimeter wave radar. The test equipment is mainly used to perform performance testing and functional verification on the millimeter wave radar to ensure that the radar can work accurately and stably in actual applications.

[0003] Existing millimeter wave radar test equipment usually consists of two parts: a hardware test platform and a software test system. The hardware test platform is used to provide the radar's working environment, including simulating targets, transmitting and receiving radar signals, etc.; the software test system is used to control the test process, collect and analyze test data. When these devices are designed and manufactured, they are often customized for specific test requirements and radar models. Therefore, there are the following deficiencies:

[0004] First, traditional testing methods require multiple parameter adjustments from test preparation to data recording and analysis, which makes the testing process cumbersome and time-consuming. The lack of efficient automated testing processes and tools makes the testing efficiency low.

[0005] Second, the millimeter-wave radar test process is easily affected by environmental factors such as electromagnetic interference and temperature changes, which leads to fluctuations in test data and increased errors;

[0006] Third, the internal structure of the device is complex, which makes it difficult to upgrade and maintain, and it lacks versatility and flexibility. The test equipment is usually developed for specific types of radar and is difficult to adapt to the testing needs of new types of radar.

[0007] In view of the deficiencies in the prior art, the present invention provides an automated testing device based on millimeter-wave radar and a method for using the same to solve the above problems. Summary of the invention

[0008] In view of the deficiencies in the prior art, the present invention provides an automated testing device based on millimeter-wave radar and a method for using the same. There is no need for cumbersome parameter adjustment. The system automatically identifies the model and sets the parameter test by scanning the code of the A-section test turntable module. The process is simple, the test process is short, the test efficiency is high, the test process is in a fully enclosed environment, the test process will not be disturbed, the test data fluctuations and errors are small, the test results are accurate, the device adopts a modular design, the overall structure is simple, the upgrade and maintenance operations are convenient, the flexibility is good, and it is suitable for development and testing of various types of radars.

[0009] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automated testing device based on millimeter wave radar, including an overall device dark box, a loading and unloading unit, a load-bearing test unit and an electronic control test unit;

[0010] The overall equipment dark box includes the A-section test turntable module, the B-section test channel module and the C-section electric control test module, which are spliced ​​in sequence. After the modules are spliced, a complete test process is formed;

[0011] The loading and unloading unit is arranged on the A-section test turntable module, and the loading and unloading unit comprises a loading and unloading flip door and a control component for flipping and adjusting the loading and unloading flip door;

[0012] The load-bearing test unit is arranged inside the section A test turntable module and is used to perform a clamping test on the millimeter wave radar;

[0013] The electronic control test unit is arranged inside the B-segment test channel module and the C-segment electronic control test module and is used to perform data testing on the millimeter wave radar; the electronic control test unit includes a calibration plate, a three-dimensional measuring instrument and a test instrument;

[0014] The load-bearing test unit comprises:

[0015] A shift mechanism, which is arranged in the inner cavity of the A-section test turntable module and has the function of controlling the lateral movement of the millimeter-wave radar;

[0016] A rotating mechanism, which is arranged on the displacement mechanism and has the function of controlling the rotation of the millimeter wave radar;

[0017] An inclination adjustment mechanism is arranged on the rotating mechanism and has the function of controlling the millimeter wave radar to adjust the inclination;

[0018] The clamp mechanism is arranged on the tilt adjustment mechanism and has the function of clamping and positioning the millimeter wave radar.

[0019] Preferably, the shifting mechanism comprises:

[0020] A base, arranged on the inner bottom wall of the section A test turntable module;

[0021] A linear electric cylinder is arranged on the base;

[0022] The slide is arranged on the linear electric cylinder, and the linear electric cylinder is used to drive the slide to adjust the position and thus realize the lateral movement of the millimeter wave radar, thereby testing the functions of various positions of the millimeter wave radar.

[0023] Preferably, the rotating mechanism comprises:

[0024] A rotation control motor is arranged on the slide;

[0025] A horizontal frame, arranged at the output end of the rotation control motor;

[0026] The vertical frame is arranged on the horizontal frame, and the rotating mechanism drives the horizontal frame and the vertical frame to rotate by using a rotating control motor, so as to adjust the rotation angle of the millimeter wave radar, and then test the functions of the millimeter wave radar at different angles.

[0027] Preferably, the inclination adjustment mechanism comprises:

[0028] A reduction motor is arranged on the vertical frame;

[0029] The tilt bracket is arranged at the output end of the reduction motor. The tilt adjustment mechanism drives the tilt bracket to tilt through the reduction motor, thereby driving the millimeter-wave radar to tilt, so as to test the functions of the millimeter-wave radar at different inclinations;

[0030] The tilt sensor is arranged on the vertical frame and is used to detect the tilt state of the tilt bracket.

[0031] Preferably, the clamp mechanism comprises:

[0032] A base seat is arranged on the tilt bracket;

[0033] The split clamp seat is arranged on the base seat for clamping, and the split clamp seat is provided with a pneumatic clamp for clamping the millimeter wave radar.

[0034] Preferably, a docking assembly is provided between the base seat and the split fixture seat, and the docking assembly comprises:

[0035] A card seat, arranged on the base seat;

[0036] A clamping block is arranged on the split clamp seat and is movably clamped in the clamping seat, and a locking hole is provided on the clamping block;

[0037] A sleeve, arranged on the base;

[0038] A slider, disposed inside the sleeve;

[0039] A locking rod is arranged on the slider, and the locking rod is movably inserted in the lock hole. The docking assembly is used to realize the rapid docking of the base seat and the split fixture seat, thereby realizing the rapid replacement of the fixture mechanism and adapting to various models of millimeter wave radars.

[0040] Preferably, a support arm is fixedly connected to the sleeve, a screw is threadedly connected to the support arm, an adjustment platform is fixedly connected to the slider, and the screw is rotatably connected to the adjustment platform.

[0041] Preferably, the control component comprises:

[0042] A control cylinder is arranged on the A-section test turntable module;

[0043] A push plate, arranged at the output end of the control cylinder;

[0044] A rack, arranged on the push plate;

[0045] A limit shaft is arranged on the loading and unloading turning door;

[0046] The gear is arranged on the limit shaft and meshes with the rack. The control component drives the loading and unloading turning door to turn over, so as to realize the closing and opening of the test area.

[0047] Preferably, the section A test turntable module is provided with a code scanning device, a control panel and a display, the section A test turntable module, the section B test channel module and the section C electric control test module are all provided with parent-child locks on the outside, and the section A test turntable module, the section B test channel module and the section C electric control test module are all provided with absorbing cotton on the inside.

[0048] Preferably, the section A test turntable module, the section B test channel module and the section C electric control test module are all provided with wiring troughs and fire extinguishing bombs, and the section C electric control test module is provided with a front maintenance door and a side maintenance door.

[0049] A second aspect of the present invention discloses a method for using an automated testing device based on a millimeter wave radar, the method comprising the following steps:

[0050] S1. Equipment initialization and preparation;

[0051] S11, equipment startup:

[0052] Turn on the power and start the automated testing equipment;

[0053] The A-section test turntable module, B-section test channel module, and C-section electronic control test module inside the equipment are reset and self-checked to ensure that all components are working properly;

[0054] S12. Scanning QR code and entering information:

[0055] The operator uses the scanning device on the A-section test turntable module to scan the QR code or barcode on the millimeter-wave radar;

[0056] The code scanning device transmits the read information to the control panel, and the system automatically configures the test parameters and processes based on this information;

[0057] S2, loading and unloading and positioning;

[0058] S21, loading and unloading flip door operation:

[0059] The control cylinder in the control assembly moves after receiving the command, driving the push plate and the rack to move;

[0060] The rack meshes with the gear to drive the loading and unloading flip door to rotate open or close, so as to realize the feeding and taking out of the millimeter wave radar;

[0061] S22, load-bearing test unit positioning:

[0062] After the millimeter-wave radar is sent into the test turntable module of section A, it is clamped and positioned by the fixture mechanism on the load-bearing test unit;

[0063] The shifting mechanism moves the millimeter wave radar to a predetermined position;

[0064] The rotation mechanism and the tilt adjustment mechanism adjust the rotation angle and tilt angle of the millimeter wave radar according to the test requirements;

[0065] S3, performance testing and data collection;

[0066] S31, electronic control test unit configuration:

[0067] The electronic control test unit is configured according to the preset test parameters and procedures;

[0068] Key equipment such as calibration plates, 3D measuring instruments and test instruments are ready to receive test signals;

[0069] S32, millimeter wave radar signal transmission and reception:

[0070] The millimeter wave radar transmits millimeter wave signals while being clamped by the load-bearing test unit;

[0071] The signal is reflected back after encountering the calibration plate or other target objects in the test channel and is received by the millimeter wave radar;

[0072] S33. Data processing and analysis:

[0073] The test instrument receives and processes the signals transmitted and received by the millimeter-wave radar, extracting key performance parameters such as distance, speed, angle, etc.

[0074] The three-dimensional measuring instrument measures the detection range and angle of the millimeter-wave radar and transmits the data to the control panel;

[0075] The control panel processes and analyzes the collected data and generates a test report;

[0076] S4. Test report generation and output;

[0077] S41. Test report generation:

[0078] The control panel automatically generates a test report based on the collected data and preset evaluation criteria;

[0079] The test report includes various performance parameters, test results, evaluation conclusions and other information of the millimeter-wave radar;

[0080] S42, test report output:

[0081] The operator views the test report through the display on the equipment;

[0082] The test report can also be printed out or saved to a storage device for subsequent analysis and use.

[0083] The present invention discloses an automatic testing device based on millimeter wave radar and a method for using the same, which has the following beneficial effects:

[0084] 1. The millimeter-wave radar-based automated test equipment, firstly, through the design of the overall dark box, loading and unloading unit, load-bearing test unit and electronic control test unit, does not require tedious parameter adjustment. The system automatically identifies the model and sets the parameter test by scanning the code of the A-section test turntable module. The process is simple, the test process is short, and the test efficiency is high;

[0085] Second, through the closed design of the A-section test turntable module, the B-section test channel module, the C-section electronic control test module and the absorbing cotton, and the automatic closed design of the loading and unloading unit, the test process is in a fully closed environment, the test process will not be disturbed, the test data fluctuation and error are small, and the test results are accurate;

[0086] Third, the device adopts a modular design with a simple overall structure. The A-section test turntable module, B-section test channel module and C-section electronic control test module are easy to assemble, and the upgrade and maintenance operations are convenient and flexible, making it suitable for the development and testing of various types of radars.

[0087] 2. The automatic test equipment based on millimeter-wave radar uses the driving force of the linear electric cylinder to move the slide laterally on the base, thereby adjusting the position of the millimeter-wave radar to adapt to different test requirements. The rotation control motor realizes the rotation of the millimeter-wave radar through the transmission of the horizontal frame and the vertical frame to simulate its working state in different directions. The reduction motor drives the inclination bracket to rotate, and the inclination sensor monitors the inclination state in real time to ensure that the millimeter-wave radar can be tested according to the preset inclination angle. After the split fixture seat is clamped with the base seat, the pneumatic clamp is used to firmly clamp and position the millimeter-wave radar, thereby ensuring that the millimeter-wave radar test is accurate and convenient, with diverse test modes to meet the test requirements of various conditions.

[0088] 3. In the automatic test equipment based on millimeter-wave radar, the A-section test turntable module, the B-section test channel module and the C-section electronic control test module are quickly spliced ​​by the buckling of the sub-lock and the main lock. Therefore, the device is designed as a modular connection, which is easy to assemble, maintain and upgrade. At the same time, the design of the base seat, the split fixture seat and the docking assembly makes it easy to quickly replace the split fixture seat and the pneumatic clamp, thereby ensuring that the fixture mechanism is easy to replace and adapt to various models and special-shaped millimeter-wave radar tests. The docking assembly has a compact structure and is easy to operate, making the fixture mechanism easy to adapt, ensuring that the millimeter-wave radar is easy and accurate to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0089] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0090] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0091] Figure 2 This is an external structural diagram of the A-section test turntable module of the present invention;

[0092] Figure 3 This is the internal structure diagram of the A-section test turntable module of the present invention;

[0093] Figure 4 This is a schematic diagram of the structure of the loading and unloading flip door of the present invention;

[0094] Figure 5 For the present invention Figure 4 Enlarged view of part A;

[0095] Figure 6 It is a structural schematic diagram of the load-bearing test unit of the present invention;

[0096] Figure 7 It is a structural schematic diagram of the docking assembly of the present invention;

[0097] Figure 8 It is a disassembly schematic diagram of the split clamp seat of the present invention;

[0098] Fig. 9 This is a schematic diagram of the structure of the B-section test channel module of the present invention;

[0099] Fig.10 This is the internal structure diagram of the C-section electronic control test module of the present invention;

[0100] Fig.11 This is an external structural diagram of the C-segment electronic control test module of the present invention;

[0101] Fig.12 It is a schematic diagram of the structure of the wave-absorbing cotton of the present invention.

[0102] In the figure: 1. The whole dark box of the equipment; 11. The test turntable module of section A; 111. The code scanning device; 112. The control panel; 113. The display; 12. The test channel module of section B; 13. The electric control test module of section C; 131. The front maintenance door; 132. The side maintenance door; 14. The parent-child lock; 15. The wiring trough; 16. The fire extinguisher; 17. The wave-absorbing cotton; 2. The loading and unloading unit; 21. The loading and unloading turning door; 22. The control component; 221. The control cylinder; 222. The push plate; 223. The rack; 224. The gear; 225. The limit axis; 3. The load-bearing test unit; 31. The shifting mechanism; 31 1. Base; 312. Linear electric cylinder; 313. Slide; 32. Rotation mechanism; 321. Rotation control motor; 322. Horizontal frame; 323. Vertical frame; 33. Tilt adjustment mechanism; 331. Reducer motor; 332. Tilt bracket; 333. Tilt sensor; 34. Clamp mechanism; 341. Basic seat; 342. Split clamp seat; 3421. Pneumatic clamp; 4. Electronic control test unit; 5. Docking assembly; 51. Card seat; 52. Card block; 521. Locking hole; 53. Sleeve; 54. Slider; 55. Locking rod; 56. Adjustment table; 57. Support arm; 58. Screw. DETAILED DESCRIPTION

[0103] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0104] The embodiments of the present application provide an automated test device based on millimeter-wave radar and a method for using the same, thereby solving the problems that the testing process of existing millimeter-wave radar testing equipment is cumbersome and time-consuming, and there is a lack of efficient automated testing processes and tools, resulting in low testing efficiency. The millimeter-wave radar testing process is easily affected by environmental factors such as electromagnetic interference and temperature changes, resulting in fluctuations in test data and increased errors. The internal structure of the device is complex, making it difficult to upgrade and maintain, lacking versatility and flexibility, and the test equipment is usually developed for specific models of radar and is difficult to adapt to the testing needs of new models of radar.

[0105] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0106] Embodiment 1:

[0107] The embodiment of the present invention discloses an automatic testing device based on millimeter wave radar. Figure 1-12 As shown, it includes a device dark box as a whole 1, a loading and unloading unit 2, a load-bearing test unit 3 and an electric control test unit 4;

[0108] The device dark box as a whole 1 includes a section A test turntable module 11, a section B test channel module 12 and a section C electric control test module 13 which are spliced ​​in sequence, and the section A test turntable module 11, the section B test channel module 12 and the section C electric control test module 13 are all provided with absorbing cotton 17;

[0109] As the starting point of the test process, the A-section test turntable module 11 is responsible for carrying and preliminarily positioning the millimeter-wave radar to be tested. The A-section test turntable module 11 is provided with a code scanning device 111, a control panel 112 and a display 113. The code scanning device 111 provided on the A-section test turntable module 11 is used to scan the QR code or barcode on the radar to obtain basic information about the radar in preparation for subsequent tests. The control panel 112 and the display 113 provide a human-computer interaction interface for operators to monitor the test progress and results.

[0110] The B-section test channel module 12 and the C-section electronic control test module 13 are key areas for the millimeter wave radar performance test, and are equipped with necessary test environments and equipment. The laying of the absorbing cotton 17 effectively reduces the reflection and interference of electromagnetic waves, ensuring the accuracy of the test results.

[0111] The loading and unloading unit 2 is arranged on the A-section test turntable module 11, and the loading and unloading unit 2 comprises a loading and unloading flip door 21 and a control component 22 for flipping and adjusting the loading and unloading flip door 21;

[0112] The loading and unloading flip door 21 is used to bring the millimeter wave radar into the test area before the test begins and to take it out after the test ends. The design of the loading and unloading flip door 21 ensures the continuity of the test and avoids interference from the external environment during the test.

[0113] The control component 22 includes:

[0114] The control cylinder 221 is arranged on the A-section test turntable module 11;

[0115] A push plate 222 is provided at the output end of the control cylinder 221;

[0116] A rack 223 is disposed on the push plate 222;

[0117] The limiting shaft 225 is arranged on the loading and unloading turning door 21;

[0118] The gear 224 is disposed on the limiting shaft 225 and meshes with the rack 223 .

[0119] The control assembly 22 controls the extension and contraction of the cylinder 221 to push the push plate 222 and the rack 223 to move, thereby driving the gear 224 to rotate, thereby realizing the flip adjustment of the loading and unloading flip door 21. The limit shaft 225 ensures the stability and accuracy of the flip action.

[0120] The load-bearing test unit 3 is arranged inside the A-section test turntable module 11 and is used to perform a clamping test on the millimeter-wave radar;

[0121] The electronic control test unit 4 is arranged inside the B-segment test channel module 12 and the C-segment electronic control test module 13 and is used to perform data testing on the millimeter wave radar; the electronic control test unit 4 includes a calibration plate, a three-dimensional measuring instrument and a test instrument;

[0122] The load-bearing test unit 3 comprises:

[0123] The shift mechanism 31 is disposed in the inner cavity of the A-section test turntable module 11 and has the function of controlling the lateral movement of the millimeter-wave radar; the shift mechanism 31 includes:

[0124] A base 311 is disposed on the inner bottom wall of the A-section test turntable module 11;

[0125] A linear electric cylinder 312 is disposed on the base 311;

[0126] The slide 313 is disposed on the linear electric cylinder 312, and the linear electric cylinder 312 is used to drive the slide 313 to adjust the position.

[0127] The shift mechanism 31 utilizes the driving force of the linear electric cylinder 312 to move the slide 313 laterally on the base 311 , thereby adjusting the position of the millimeter wave radar to meet different test requirements.

[0128] The rotating mechanism 32 is disposed on the shifting mechanism 31 and has the function of controlling the rotation of the millimeter wave radar; the rotating mechanism 32 includes:

[0129] A rotation control motor 321 is disposed on the slide 313;

[0130] A horizontal frame 322 is disposed at the output end of the rotation control motor 321;

[0131] The vertical frame 323 is disposed on the horizontal frame 322 .

[0132] The rotation control motor 321 realizes the rotation of the millimeter wave radar through the transmission of the horizontal frame 322 and the vertical frame 323 to simulate its working state in different directions.

[0133] The tilt adjustment mechanism 33 is arranged on the rotating mechanism 32 and has the function of controlling the millimeter wave radar to adjust the tilt angle; the tilt adjustment mechanism 33 includes:

[0134] The reduction motor 331 is arranged on the vertical frame 323;

[0135] The tilt bracket 332 is arranged at the output end of the reduction motor 331;

[0136] The tilt sensor 333 is disposed on the vertical frame 323 and is used to detect the tilt state of the tilt bracket 332 .

[0137] The reduction motor 331 drives the inclination bracket 332 to rotate, and the inclination sensor 333 monitors the inclination state in real time to ensure that the millimeter wave radar can be tested according to the preset inclination angle.

[0138] A clamp mechanism 34 is provided on the tilt adjustment mechanism 33 and has the function of clamping and positioning the millimeter wave radar;

[0139] The clamp mechanism 34 comprises:

[0140] A base 341 is disposed on the tilt bracket 332;

[0141] The split clamp seat 342 is mounted on the base seat 341 for clamping. The split clamp seat 342 is provided with a pneumatic clamp 3421 for clamping the millimeter wave radar.

[0142] After the split clamp seat 342 is clamped with the base seat 341 , the pneumatic clamp 3421 is used to firmly clamp and position the millimeter wave radar.

[0143] The section A test turntable module 11 , the section B test channel module 12 and the section C electric control test module 13 are all provided with wiring troughs 15 and fire extinguishing bombs 16 , and the section C electric control test module 13 is provided with a front maintenance door 131 and a side maintenance door 132 .

[0144] The wire duct 15 is used to organize and hide the wires and cables inside the equipment, which is both beautiful and safe.

[0145] As an emergency safety measure, the fire extinguishing bomb 16 can respond quickly and put out the initial fire once an emergency such as a fire occurs inside the equipment.

[0146] The workflow of the millimeter-wave radar-based automated test equipment is:

[0147] Step 1: Equipment initialization and preparation

[0148] Device startup:

[0149] Turn on the power and start the automated testing equipment.

[0150] The A-section test turntable module 11, the B-section test channel module 12, and the C-section electric control test module 13 inside the equipment are reset and self-checked to ensure that all components are working properly.

[0151] Scan code and enter information:

[0152] The operator scans the QR code or bar code on the millimeter wave radar through the code scanning device 111 on the section A test turntable module 11.

[0153] The code scanning device 111 transmits the read information to the control panel 112, and the system automatically configures the test parameters and processes based on the information.

[0154] Step 2: Loading, unloading and positioning

[0155] Loading and unloading flip door 21 operation:

[0156] The control cylinder 221 in the control assembly 22 moves after receiving the command, driving the push plate 222 and the rack 223 to move.

[0157] The rack 223 meshes with the gear 224 to drive the loading and unloading flip door 21 to rotate open or close, thereby realizing the feeding and taking out of the millimeter wave radar.

[0158] Load-bearing test unit 3 positioning:

[0159] After the millimeter-wave radar is sent into the section A test turntable module 11 , the millimeter-wave radar is clamped and positioned by the clamp mechanism 34 on the load-bearing test unit 3 .

[0160] The displacement mechanism 31 moves the millimeter wave radar to a predetermined position.

[0161] The rotating mechanism 32 and the tilt adjusting mechanism 33 adjust the rotation angle and tilt angle of the millimeter wave radar according to the test requirements.

[0162] Step 3: Performance Testing and Data Collection

[0163] Electronic control test unit 4 configuration:

[0164] The electronic control test unit 4 is configured according to preset test parameters and procedures.

[0165] Key equipment such as calibration plates, three-dimensional measuring instruments and testing instruments are ready and waiting to receive test signals.

[0166] Millimeter wave radar signal transmission and reception:

[0167] The millimeter wave radar transmits millimeter wave signals when clamped by the load-bearing test unit 3 .

[0168] The signal is reflected back after encountering the calibration plate or other target objects in the test channel and is received by the millimeter wave radar.

[0169] Data processing and analysis:

[0170] The test instrument receives and processes the signals transmitted and received by the millimeter-wave radar, and extracts key performance parameters such as distance, speed, angle, etc.

[0171] The three-dimensional measuring instrument measures the detection range and angle of the millimeter wave radar and transmits the data to the control panel 112 .

[0172] The control panel 112 processes and analyzes the collected data and generates a test report.

[0173] Step 4: Test report generation and output

[0174] Test report generation:

[0175] The control panel 112 automatically generates a test report based on the collected data and preset evaluation criteria.

[0176] The test report includes information such as various performance parameters, test results, and evaluation conclusions of the millimeter-wave radar.

[0177] Test report output:

[0178] The operator views the test report through the display 113 on the equipment.

[0179] The test report can also be printed out or saved to a storage device for subsequent analysis and use.

[0180] Embodiment 2:

[0181] The embodiment of the present invention discloses an automatic testing device based on millimeter wave radar. Figure 1-12 As shown, it includes a device dark box as a whole 1, a loading and unloading unit 2, a load-bearing test unit 3 and an electric control test unit 4;

[0182] The device dark box as a whole 1 includes a section A test turntable module 11, a section B test channel module 12 and a section C electric control test module 13 which are spliced ​​in sequence;

[0183] The loading and unloading unit 2 is arranged on the A-section test turntable module 11, and the loading and unloading unit 2 comprises a loading and unloading flip door 21 and a control component 22 for flipping and adjusting the loading and unloading flip door 21;

[0184] The load-bearing test unit 3 is arranged inside the A-section test turntable module 11 and is used to perform a clamping test on the millimeter-wave radar;

[0185] The electronic control test unit 4 is arranged inside the B-segment test channel module 12 and the C-segment electronic control test module 13 and is used to perform data testing on the millimeter wave radar; the electronic control test unit 4 includes a calibration plate, a three-dimensional measuring instrument and a test instrument;

[0186] The load-bearing test unit 3 comprises:

[0187] The shift mechanism 31 is arranged in the inner cavity of the A-section test turntable module 11 and has the function of controlling the lateral movement of the millimeter wave radar;

[0188] The rotating mechanism 32 is arranged on the shifting mechanism 31 and has the function of controlling the rotation of the millimeter wave radar;

[0189] The tilt adjustment mechanism 33 is arranged on the rotating mechanism 32 and has the function of controlling the millimeter wave radar to adjust the tilt;

[0190] The clamp mechanism 34 is disposed on the tilt adjustment mechanism 33 and has the function of clamping and positioning the millimeter wave radar.

[0191] The A-section test turntable module 11, the B-section test channel module 12 and the C-section electric control test module 13 are all provided with a sub-locking buckle 14 on the outside; the sub-locking buckle 14 consists of a sub-locking buckle and a mother-locking buckle, and the sub-locking buckle and the mother-locking buckle are correspondingly distributed on the A-section test turntable module 11, the B-section test channel module 12 and the C-section electric control test module 13, so that the A-section test turntable module 11, the B-section test channel module 12 and the C-section electric control test module 13 can be quickly spliced ​​by fastening the sub-locking buckle and the mother-locking buckle respectively. Therefore, the device is designed as a modular connection, which is easy to assemble, maintain and upgrade.

[0192] The clamp mechanism 34 comprises:

[0193] A base 341 is disposed on the tilt bracket 332;

[0194] The split clamp seat 342 is mounted on the base seat 341 for clamping. The split clamp seat 342 is provided with a pneumatic clamp 3421 for clamping the millimeter wave radar.

[0195] A docking assembly 5 is provided between the base 341 and the split fixture base 342. The design of the base 341, the split fixture base 342 and the docking assembly 5 makes it easy to quickly replace the split fixture base 342 and the pneumatic clamp 3421, thereby ensuring that the fixture mechanism 34 is easy to replace and adapt to various models and special-shaped millimeter-wave radar tests. The docking assembly 5 has a compact structure and is easy to operate, making the fixture mechanism 34 easy to adapt, ensuring that the millimeter-wave radar is easy and accurate to install. The docking assembly 5 includes:

[0196] The card seat 51 is arranged on the base seat 341;

[0197] The clamping block 52 is disposed on the split clamp seat 342 and is movably clamped in the clamping seat 51. A locking hole 521 is provided on the clamping block 52;

[0198] The sleeve 53 is disposed on the holder 51;

[0199] The slider 54 is disposed inside the sleeve 53;

[0200] The locking rod 55 is disposed on the slider 54 , and the locking rod 55 is movably inserted into the locking hole 521 .

[0201] A support arm 57 is fixedly connected to the sleeve 53 , a screw rod 58 is threadedly connected to the support arm 57 , an adjustment platform 56 is fixedly connected to the slider 54 , and the screw rod 58 is rotatably connected to the adjustment platform 56 .

[0202] When the docking assembly 5 is needed to dock the base seat 341 and the split fixture seat 342, the split fixture seat 342 and the pneumatic clamp 3421 of the millimeter-wave radar-based automated testing equipment firstly select the split fixture seat 342 and the pneumatic clamp 3421 of the appropriate model, and then align the clamping block 52 with the inside of the clamping seat 51 for clamping. After the clamping is completely engaged, the screw rod 58 is rotated to make the screw rod 58 move spirally along the screw hole of the support arm 57. At this time, the screw rod 58 pushes the adjustment platform 56 to move, the adjustment platform 56 drives the slider 54 to move, and the slider 54 drives the locking rod 55 to move, and finally the locking rod 55 is inserted into the locking hole 521, thereby locking the position between the clamping seat 51 and the clamping block 52. At this time, the docking of the base seat 341 and the split fixture seat 342 is completed. When the model of the clamp mechanism 34 needs to be replaced later, the split fixture seat 342 can be directly disassembled and the model can be replaced. When the split fixture seat 342 is disassembled, the operation process is the opposite of the above-mentioned docking process, which is easy to operate and meets the use requirements.

[0203] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automated testing device based on millimeter wave radar, characterized in that: include: The device dark box as a whole (1) comprises a section A test turntable module (11), a section B test channel module (12) and a section C electric control test module (13) which are spliced ​​in sequence, and each module is spliced ​​to form a complete test process; A loading and unloading unit (2) is arranged on the section A test turntable module (11), and the loading and unloading unit (2) comprises a loading and unloading turning door (21) and a control component (22) for turning and adjusting the loading and unloading turning door (21); A load-bearing test unit (3), which is arranged inside the section A test turntable module (11) and is used to perform a clamping test on the millimeter wave radar; An electric control test unit (4) is arranged inside the B-segment test channel module (12) and the C-segment electric control test module (13) and is used to perform data testing on the millimeter wave radar; The electronic control test unit (4) comprises a calibration plate, a three-dimensional measuring instrument and a test instrument; The load-bearing test unit (3) comprises: A shift mechanism (31) is arranged in the inner cavity of the section A test turntable module (11) and has the function of controlling the lateral movement of the millimeter wave radar; A rotating mechanism (32) is arranged on the displacement mechanism (31) and has a function of controlling the rotation of the millimeter wave radar; An inclination adjustment mechanism (33) is arranged on the rotating mechanism (32) and has the function of controlling the millimeter wave radar to adjust the inclination; The clamp mechanism (34) is arranged on the tilt adjustment mechanism (33) and has the function of clamping and positioning the millimeter wave radar.

2. The millimeter wave radar-based automated testing equipment according to claim 1, characterized in that: The displacement mechanism (31) comprises: A base (311) is arranged on the inner bottom wall of the section A test turntable module (11); A linear electric cylinder (312) is disposed on the base (311); The slide table (313) is arranged on the linear electric cylinder (312), and the linear electric cylinder (312) is used to drive the slide table (313) to adjust the position and thereby realize the lateral movement of the millimeter wave radar, thereby testing the functions of various positions of the millimeter wave radar.

3. The millimeter wave radar-based automated testing equipment according to claim 2, characterized in that: The rotating mechanism (32) comprises: A rotation control motor (321) is disposed on the slide table (313); A horizontal frame (322) is arranged at the output end of the rotation control motor (321); The vertical frame (323) is arranged on the horizontal frame (322), and the rotating mechanism drives the horizontal frame (322) and the vertical frame (323) to rotate by using a rotating control motor (321), thereby adjusting the rotation angle of the millimeter wave radar, and then testing the functions of the millimeter wave radar at different angles.

4. The millimeter wave radar-based automated testing equipment according to claim 3, characterized in that: The tilt angle adjustment mechanism (33) comprises: A reduction motor (331) is arranged on the vertical frame (323); The tilt bracket (332) is arranged at the output end of the reduction motor (331), and the tilt adjustment mechanism (33) drives the tilt bracket (332) to tilt through the reduction motor (331), thereby driving the millimeter wave radar to tilt, so as to test the functions of the millimeter wave radar at different inclinations; The inclination sensor (333) is arranged on the vertical frame (323) and is used to detect the inclination state of the inclination bracket (332).

5. The millimeter wave radar-based automated testing equipment according to claim 4, characterized in that: The clamp mechanism (34) comprises: A base seat (341) is arranged on the tilt bracket (332); The split clamp seat (342) is arranged on the base seat (341) for clamping, and the split clamp seat (342) is provided with a pneumatic clamping claw (3421) for clamping the millimeter wave radar.

6. The millimeter wave radar-based automated testing equipment according to claim 5, characterized in that: A docking assembly (5) is provided between the base seat (341) and the split fixture seat (342), and the docking assembly (5) comprises: A card seat (51), arranged on the base seat (341); A clamping block (52) is arranged on the split clamp seat (342) and is movably clamped in the clamping seat (51), and a locking hole (521) is provided on the clamping block (52); A sleeve (53) is arranged on the holder (51); A slider (54) is arranged inside the sleeve (53); A locking rod (55) is arranged on the slider (54), and the locking rod (55) is movably inserted into the locking hole (521). The docking assembly (5) is used to realize the rapid docking of the base seat (341) and the split clamp seat (342), thereby realizing the rapid replacement of the clamp mechanism (34) and adapting to various models of millimeter wave radars.

7. The millimeter wave radar-based automated testing equipment according to claim 6, characterized in that: The sleeve (53) is fixedly connected to a support arm (57), the support arm (57) is threadedly connected to a screw rod (58), the slider (54) is fixedly connected to an adjustment platform (56), and the screw rod (58) is rotatably connected to the adjustment platform (56).

8. The millimeter wave radar-based automated testing equipment according to claim 1, characterized in that: The control component (22) comprises: A control cylinder (221) is arranged on the section A test turntable module (11); A push plate (222) is arranged at the output end of the control cylinder (221); A rack (223) is arranged on the push plate (222); A limiting shaft (225) is arranged on the loading and unloading turning door (21); The gear (224) is arranged on the limiting shaft (225) and meshes with the rack (223). The control component (22) drives the loading and unloading turning door (21) to turn over, thereby realizing the closing and opening of the test area.

9. The millimeter wave radar-based automated testing equipment according to claim 1, characterized in that: The section A test turntable module (11) is provided with a code scanning device (111), a control panel (112) and a display (113); the section A test turntable module (11), the section B test channel module (12) and the section C electric control test module (13) are all provided with a parent-child lock (14) on the outside; and the section A test turntable module (11), the section B test channel module (12) and the section C electric control test module (13) are all provided with a wave absorbing cotton (17) on the inside; The A-section test turntable module (11), the B-section test channel module (12) and the C-section electric control test module (13) are all provided with a wiring trough (15) and a fire extinguishing bomb (16), and the C-section electric control test module (13) is provided with a front maintenance door (131) and a side maintenance door (132).

10. A method for using millimeter wave radar-based automated testing equipment according to any one of claims 1 to 9, characterized in that: The method of use comprises the following steps: S1. Equipment initialization and preparation; S11, equipment startup: Turn on the power and start the automated testing equipment; The A-section test turntable module (11), the B-section test channel module (12), and the C-section electric control test module (13) inside the equipment are reset and self-checked to ensure that all components are working properly; S12. Scan code and enter information: An operator scans the QR code or bar code on the millimeter wave radar using a code scanning device (111) on the section A test turntable module (11); The code scanning device (111) transmits the read information to the control panel (112), and the system automatically configures the test parameters and processes based on the information; S2, loading and unloading and positioning; S21, loading and unloading tilting door (21) operation: The control cylinder (221) in the control assembly (22) moves after receiving the command, driving the push plate (222) and the rack (223) to move; The rack (223) meshes with the gear (224) to drive the loading and unloading flip door (21) to rotate open or close, thereby realizing the feeding and taking out of the millimeter wave radar; S22, load-bearing test unit (3) positioning: After the millimeter wave radar is sent into the A-section test turntable module (11), the millimeter wave radar is clamped and positioned by a clamp mechanism (34) on the load-bearing test unit (3); The displacement mechanism (31) moves the millimeter wave radar to a predetermined position; The rotating mechanism (32) and the tilt adjusting mechanism (33) adjust the rotating angle and the tilt angle of the millimeter wave radar according to the test requirements; S3, performance testing and data collection; S31, electronic control test unit (4) configuration: The electronic control test unit (4) is configured according to preset test parameters and procedures; Key equipment such as calibration plates, 3D measuring instruments and test instruments are ready to receive test signals; S32, millimeter wave radar signal transmission and reception: The millimeter wave radar emits a millimeter wave signal when clamped by the load-bearing test unit (3); The signal is reflected back after encountering the calibration plate or other target objects in the test channel and is received by the millimeter wave radar; S33. Data processing and analysis: The test instrument receives and processes the signals transmitted and received by the millimeter-wave radar, extracting key performance parameters such as distance, speed, angle, etc. The three-dimensional measuring instrument measures the detection range and angle of the millimeter wave radar and transmits the data to the control panel (112); The control panel (112) processes and analyzes the collected data and generates a test report; S4. Test report generation and output; S41. Test report generation: The control panel (112) automatically generates a test report based on the collected data and preset evaluation criteria; The test report includes various performance parameters, test results, evaluation conclusions and other information of the millimeter-wave radar; S42, test report output: The operator views the test report through the display (113) on the equipment; The test report can also be printed out or saved to a storage device for subsequent analysis and use.

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