CN211123250U - Test system of vehicle front sensing system - Google Patents
Test system of vehicle front sensing system Download PDFInfo
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- CN211123250U CN211123250U CN201922004258.XU CN201922004258U CN211123250U CN 211123250 U CN211123250 U CN 211123250U CN 201922004258 U CN201922004258 U CN 201922004258U CN 211123250 U CN211123250 U CN 211123250U
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Abstract
The utility model discloses a vehicle the place ahead perception system's test system, it includes: the device comprises a test vehicle, a sensing system, a millimeter wave receiving device, a millimeter wave simulation transmitting device, a chassis test support, a test console and a wave absorbing device. The system receives signals sent by the millimeter wave radar on the whole vehicle to be tested through the millimeter wave receiving device, and the test console drives the millimeter wave simulation transmitting device to send corresponding waves to the millimeter wave radar on the whole vehicle to be tested according to the instructions, so that the simulation of the front obstacle information of the vehicle is realized, and the test of the front sensing system of the vehicle and the performance of the whole vehicle is realized.
Description
Technical Field
The utility model relates to a vehicle test detection area, concretely relates to vehicle the place ahead perception system's test system.
Background
At present, the whole vehicle test of the vehicle auxiliary driving system product can be finished only after a vehicle is placed in a professional test field under most conditions, however, the requirement of the test on the test field is very strict, the test equipment and the field can meet the relevant test requirement only by investing in great cost, a test system with low requirement on the test field and the test equipment is developed, and the problem to be solved urgently in the industry is solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a vehicle the place ahead perception system's test system, include: a test vehicle, a sensing system, a millimeter wave receiving device, a millimeter wave analog transmitting device, a chassis test bracket and a test console,
wherein the sensing system is assembled right in front of the head of the whole test vehicle, the millimeter wave receiving device and the millimeter wave analog transmitting device are both arranged right in front of the sensing system, the distance from the sensing system is a preset certain fixed distance,
the whole test vehicle, the sensing system, the millimeter wave receiving device, the millimeter wave analog transmitting device and the chassis test bracket are all connected with the test console and used for transmitting test data and control instructions,
the chassis test support is in contact with the whole test vehicle, and the whole test vehicle and the chassis test support are kept relatively static in the starting operation process of the whole test vehicle.
The chassis test support is provided with a first support rod, a second support rod, a third support rod and a fourth support rod, the chassis test support is of a lifting structure and is respectively arranged at the positions of wheels of the front shaft and the rear shaft of a chassis of the whole test vehicle, after the whole test vehicle is placed at a proper position, the first support rod, the second support rod, the third support rod and the fourth support rod are controlled to ascend by an input instruction, the whole test vehicle is arranged at a high position, and each wheel of the whole test vehicle leaves the ground.
More preferably, the chassis testing bracket is provided with a first roller, a second roller, a third roller, a fourth roller, a first fixing device and a second fixing device,
wherein, the first roller, the second roller, the third roller and the fourth roller are respectively arranged on four sides of the chassis test bracket and correspond to the wheels of the whole vehicle to be tested,
the first fixing device is arranged at the front end of the chassis testing support, the head of the whole testing vehicle is fixed through a rope, and the second fixing device is arranged at the rear end of the chassis testing support, and the tail of the whole testing vehicle is fixed through the rope.
More preferably, the first roller, the second roller, the third roller and the fourth roller are respectively provided with a corresponding first dynamometer, a second dynamometer, a third dynamometer and a fourth dynamometer inside,
the first dynamometer, the second dynamometer, the third dynamometer and the fourth dynamometer are all connected with the test console, and data transmission between each dynamometer and the test console is achieved.
More preferably, the chassis testing bracket is provided with a distance adjusting device, the distance adjusting device comprises a first adjusting end, a second adjusting end, a third adjusting end, a fourth adjusting end, a transverse rack device, a longitudinal rack device, a transverse adjusting motor and a longitudinal adjusting motor,
wherein the first adjusting end, the second adjusting end, the third adjusting end and the fourth adjusting end are respectively connected and fixed with the first roller, the second roller, the third roller and the fourth roller,
the transverse adjusting motor is connected with the transverse rack device, the longitudinal adjusting motor is connected with the longitudinal rack device, the transverse adjusting motor and the longitudinal adjusting motor are in signal connection with the test console, and can rotate under the instruction of the console to drive the distance adjusting device to change the position, so that the distance among the first roller, the second roller, the third roller and the fourth roller is consistent with the distance between wheels of the whole vehicle to be tested.
More preferably, the test system of the vehicle front sensing system is further provided with a wave absorbing device, the wave absorbing device is arranged right in front of the whole vehicle to be tested and arranged in the same vertical direction with the millimeter wave receiving device and the millimeter wave simulation transmitting device, and meanwhile, the wave absorbing device is provided with openings at the millimeter wave receiving device and the millimeter wave simulation transmitting device so as to ensure that the millimeter wave receiving device can effectively receive millimeter waves and ensure that the millimeter wave simulation transmitting device can effectively send out millimeter waves.
Drawings
FIG. 1 is a schematic diagram of a test system
FIG. 2 is a schematic diagram of the structure of the dynamometer and the roller
FIG. 3 is a schematic view of a distance adjusting device
Detailed Description
The following describes the testing system of the vehicle front sensing system in detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an exemplary assay system, which includes: a test vehicle 100, a sensing system 200, a millimeter wave receiving device 300, a millimeter wave analog transmitting device 400, a chassis test support 500 and a test console 600,
wherein, the sensing system 200 is a set of distance sensing system established based on millimeter wave radar sensor, and is assembled right in front of the head of the test vehicle 100, the millimeter wave receiving device 300 and the millimeter wave analog transmitting device 400 are both arranged right in front of the sensing system 200, the distance sensing system 200 is a preset certain fixed distance,
the whole test vehicle 100, the sensing system 200, the millimeter wave receiving device 300, the millimeter wave analog transmitting device 400 and the chassis test bracket 500 are all connected with the test console 600 and used for transmitting test data and control instructions,
wherein the content of the first and second substances,
the whole test vehicle 100 can feed vehicle core data such as vehicle speed, fuel consumption, traction force, braking force and the like of the vehicle back to the test console 600, and meanwhile, the test console can control actions such as braking, starting and the like of the whole test vehicle through commands;
the sensing system 200 may transmit information such as a time difference between a transmitted wave and a received wave and a calculated distance to an obstacle ahead to the test console 600;
the millimeter wave receiving device 300 is generally a millimeter wave receiving probe, and can receive the transmitted millimeter waves and generate corresponding signals, in this embodiment, the millimeter wave receiving device 300 is connected to the test console 600, and transmits the received millimeter wave signals to the test console 600 in a variable manner;
in this embodiment, after the test console 600 integrates the distance instruction input by the operator and the signal received by the millimeter wave of the millimeter wave receiving device 300, the millimeter wave transmitting instruction is sent to the millimeter wave analog transmitting device 400, so that the millimeter wave analog transmitting device 400 transmits the millimeter wave at the time calculated and set by the test console 600, and the sensing system 200 receives the millimeter wave, thereby simulating the distance at which the vehicle senses the obstacle ahead.
The chassis test bracket 500 is in contact with the whole test vehicle 100, and the whole test vehicle 100 and the chassis test bracket 500 are kept relatively static during the starting operation of the whole test vehicle 100. In order to realize the relative stillness of the first support rod and the second support rod, a lifting support can be used, the lifting support comprises a first support rod, a second support rod, a third support rod and a fourth support rod, the first support rod and the second support rod are arranged on two sides of a front shaft of the whole test vehicle 100, the third support rod and the fourth support rod are arranged on two sides of a rear shaft of the whole test vehicle 100, and when the system runs, the first support rod, the second support rod, the third support rod and the fourth support rod are lifted to enable wheels of the whole test vehicle 100 to be separated from the ground.
In order to better simulate the real running state of the vehicle, the chassis test bracket 500 may be further configured as a first roller 510, a second roller 520, a third roller 530, a fourth roller 540, a first fixing device 550, and a second fixing device 560, wherein the first roller 510, the second roller 520, the third roller 530, and the fourth roller 540 are respectively disposed on four sides of the chassis test bracket 500, corresponding to the wheels of the whole vehicle 100 to be tested,
the first fixing device 550 is disposed at the front end of the chassis test bracket 500, and fixes the head of the test vehicle 100 by a rope, and the second fixing device 560 is disposed at the rear end of the chassis test bracket 100, and fixes the tail of the test vehicle 100 by a rope.
In order to effectively monitor data of the vehicle such as speed, braking force, traction force and the like, a plurality of dynamometers can be arranged on the chassis test bracket 500, and the dynamometers are matched with the roller structures and schematically shown in fig. 2. The first roller 510, the second roller 520, the third roller 530 and the fourth roller 540 are respectively provided with a first dynamometer 511, a second dynamometer 521, a third dynamometer 531 and a fourth dynamometer 541 therein,
the first dynamometer 511, the second dynamometer 521, the third dynamometer 531 and the fourth dynamometer 541 are all connected with the test console 600, and data transmission between each dynamometer and the test console 600 is achieved.
More preferably, the chassis test support is provided with a distance adjusting device, and the structure of the distance adjusting device is as shown in fig. 3. The distance adjusting device comprises a first adjusting end 512, a second adjusting end 522, a third adjusting end 532, a fourth adjusting end 542, a transverse rack device 571, a longitudinal rack device 572, a transverse adjusting motor 581 and a longitudinal adjusting motor 582,
wherein the first adjusting end 512, the second adjusting end 522, the third adjusting end 532 and the fourth adjusting end 542 are respectively connected and fixed with the first roller 510, the second roller 520, the third roller 530 and the fourth roller 540,
the transverse adjusting motor 591 is connected with the transverse rack device 592, the longitudinal adjusting motor 582 is connected with the longitudinal rack device 572, the transverse adjusting motor 581 and the longitudinal adjusting motor 582 are in signal connection with the test console 600 and can rotate under the instruction of the console to drive the distance adjusting device to change the position, so that the distances among the first roller 510, the second roller 520, the third roller 530 and the fourth roller 540 are consistent with the distance among the wheels of the whole vehicle to be tested.
More preferably, the test system of the vehicle front sensing system is further provided with a wave absorbing device 700, which is arranged right ahead of the whole vehicle 100 to be tested and arranged in the same vertical direction with the millimeter wave receiving device 300 and the millimeter wave simulation transmitting device 400, and meanwhile, the wave absorbing device is provided with openings at the positions of the millimeter wave receiving device 300 and the millimeter wave simulation transmitting device 400, so as to ensure that the millimeter wave receiving device 300 can effectively receive millimeter waves and ensure that the millimeter wave simulation transmitting device 400 can effectively send out millimeter waves.
Claims (7)
1. A system for testing a vehicle front sensing system, comprising: a test vehicle, a sensing system, a millimeter wave receiving device, a millimeter wave analog transmitting device, a chassis test bracket and a test console,
wherein the sensing system is assembled right in front of the head of the whole test vehicle, the millimeter wave receiving device and the millimeter wave analog transmitting device are both arranged right in front of the sensing system, the distance from the sensing system is a preset certain fixed distance,
the whole test vehicle, the sensing system, the millimeter wave receiving device, the millimeter wave analog transmitting device and the chassis test bracket are all connected with the test console and used for transmitting test data and control instructions,
the chassis test support is in contact with the whole test vehicle, and the whole test vehicle and the chassis test support are kept relatively static in the starting operation process of the whole test vehicle.
2. The system of claim 1, wherein the chassis testing stand comprises a first support rod, a second support rod, a third support rod, and a fourth support rod, which are all configured to be lifted and lowered and respectively disposed at the front and rear axle wheels of the chassis of the entire vehicle to be tested, and when the entire vehicle to be tested is placed at a desired position, the first support rod, the second support rod, the third support rod, and the fourth support rod are controlled to be lifted by an input command, and the entire vehicle to be tested is mounted at a high position, such that the wheels of the entire vehicle to be tested are separated from the ground.
3. The system for testing the front sensing system of a vehicle as claimed in claim 1, wherein the chassis testing stand comprises a first roller, a second roller, a third roller, a fourth roller, a first fixing device and a second fixing device,
wherein, the first roller, the second roller, the third roller and the fourth roller are respectively arranged on four sides of the chassis test bracket and correspond to the wheels of the whole vehicle to be tested,
the first fixing device is arranged at the front end of the chassis testing support, the head of the whole testing vehicle is fixed through a rope, and the second fixing device is arranged at the rear end of the chassis testing support, and the tail of the whole testing vehicle is fixed through the rope.
4. The system of claim 3, wherein the first roller, the second roller, the third roller and the fourth roller are respectively provided with a first dynamometer, a second dynamometer, a third dynamometer and a fourth dynamometer,
the first dynamometer, the second dynamometer, the third dynamometer and the fourth dynamometer are all connected with the test console, and data transmission between each dynamometer and the test console is achieved.
5. The system for testing the front sensing system of a vehicle as claimed in claim 3, wherein the chassis testing stand is provided with a distance adjusting device, the distance adjusting device comprises a first adjusting end, a second adjusting end, a third adjusting end, a fourth adjusting end, a transverse rack device, a longitudinal rack device, a transverse adjusting motor and a longitudinal adjusting motor,
wherein the first adjusting end, the second adjusting end, the third adjusting end and the fourth adjusting end are respectively connected and fixed with the first roller, the second roller, the third roller and the fourth roller,
the transverse adjusting motor is connected with the transverse rack device, the longitudinal adjusting motor is connected with the longitudinal rack device, the transverse adjusting motor and the longitudinal adjusting motor are in signal connection with the test console, and can rotate under the instruction of the console to drive the distance adjusting device to change the position, so that the distance among the first roller, the second roller, the third roller and the fourth roller is consistent with the distance between wheels of the whole vehicle to be tested.
6. The system for testing the front sensing system of a vehicle as claimed in claim 4, wherein the chassis testing stand is provided with a distance adjusting device, the distance adjusting device comprises a first adjusting end, a second adjusting end, a third adjusting end, a fourth adjusting end, a transverse rack device, a longitudinal rack device, a transverse adjusting motor and a longitudinal adjusting motor,
wherein the first adjusting end, the second adjusting end, the third adjusting end and the fourth adjusting end are respectively connected and fixed with the first roller, the second roller, the third roller and the fourth roller,
the transverse adjusting motor is connected with the transverse rack device, the longitudinal adjusting motor is connected with the longitudinal rack device, the transverse adjusting motor and the longitudinal adjusting motor are in signal connection with the test console, and can rotate under the instruction of the console to drive the distance adjusting device to change the position, so that the distance among the first roller, the second roller, the third roller and the fourth roller is consistent with the distance between wheels of the whole vehicle to be tested.
7. The system for testing the front sensing system of the vehicle as claimed in any one of claims 1 to 6, wherein a wave absorbing device is further provided, which is disposed right in front of the whole vehicle to be tested and is disposed in the same vertical direction as the millimeter wave receiving device and the millimeter wave analog transmitting device, and the wave absorbing device is provided with openings at the positions of the millimeter wave receiving device and the millimeter wave analog transmitting device, so as to ensure that the millimeter wave receiving device can effectively receive millimeter waves and ensure that the millimeter wave analog transmitting device can effectively emit millimeter waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004258.XU CN211123250U (en) | 2019-11-19 | 2019-11-19 | Test system of vehicle front sensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004258.XU CN211123250U (en) | 2019-11-19 | 2019-11-19 | Test system of vehicle front sensing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211123250U true CN211123250U (en) | 2020-07-28 |
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ID=71696571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004258.XU Active CN211123250U (en) | 2019-11-19 | 2019-11-19 | Test system of vehicle front sensing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211123250U (en) |
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2019
- 2019-11-19 CN CN201922004258.XU patent/CN211123250U/en active Active
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Address after: Room 1110-b, 11 / F, building 5, 2266 Taiyang Road, high speed rail new town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Qingzhi automobile technology (Suzhou) Co.,Ltd. Address before: No.15-306, Hongcheng Road, Huaming hi tech Industrial Zone, Dongli District, Tianjin Patentee before: TIANJIN TSINTEL TECHNOLOGY Co.,Ltd. |