CN109633337B - Dragging device for intelligent driving automobile electromagnetic compatibility test moving obstacle - Google Patents

Dragging device for intelligent driving automobile electromagnetic compatibility test moving obstacle Download PDF

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Publication number
CN109633337B
CN109633337B CN201910009552.1A CN201910009552A CN109633337B CN 109633337 B CN109633337 B CN 109633337B CN 201910009552 A CN201910009552 A CN 201910009552A CN 109633337 B CN109633337 B CN 109633337B
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China
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pneumatic cylinder
intelligent driving
movable carriage
controller
electromagnetic compatibility
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CN109633337A (en
Inventor
陈希琛
王传琪
丁一夫
柳海明
张旭
吴在园
侯帅
张晨
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CATARC Automotive Test Center Tianjin Co Ltd
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CATARC Automotive Test Center Tianjin Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/001Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005Testing of electric installations on transport means
    • G01R31/006Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

The invention provides a dragging device for intelligent driving of an automobile electromagnetic compatibility test moving obstacle, which comprises a magnetic coupling transmission device, a photoelectric converter and a controller, wherein the magnetic coupling transmission device is connected with the controller through a pipeline, the photoelectric converter is connected with the magnetic coupling transmission device through a circuit, and the photoelectric converter is connected with the controller through an optical fiber; the magnetic coupling transmission device comprises a base, a pneumatic cylinder and a movable carriage, wherein a power piston is arranged in the pneumatic cylinder, and the movable carriage is connected with the power piston through attractive force between a first permanent magnet and a second permanent magnet. The dragging device for the intelligent driving automobile electromagnetic compatibility test movable obstacle provides a system for dragging the movement of the simulated obstacle when the intelligent driving automobile simulates an actual scene in a complex electromagnetic environment, and can simulate the movement relationship between the automobile and the obstacle more truly.

Description

Dragging device for intelligent driving automobile electromagnetic compatibility test moving obstacle
Technical Field
The invention belongs to the technical field of electromagnetic compatibility testing, and particularly relates to a dragging device for an intelligent driving automobile electromagnetic compatibility test to move an obstacle.
Background
With the rapid development of the automobile industry, artificial intelligence technology is increasingly applied to the automobile field, and the mode and habit of driving automobiles by human beings are changing. The intelligent driving technology has the characteristic of high electronic automation, and brings new uncertain factors for driving safety while improving safety and driving comfort. The anti-interference capability in a complex electromagnetic environment is one of important safety indexes of intelligent automobiles. The actual road condition is simulated in the anechoic chamber, and the motion relation between the intelligent driving vehicle and the obstacle is simulated, so that the reliability of the intelligent driving technology is difficult to detect.
In the test, the dragging system should have the characteristic of low reflection or even no reflection of radar waves so as not to form a near-distance false target. The simulation object such as a simulation person can be dragged normally to test the functional states such as Automatic Emergency Braking (AEB) or adaptive cruise (ACC). Meanwhile, due to high cost of the whole vehicle-level anechoic chamber and development progress of intelligent driving, large-scale laboratory construction or modification is hardly allowed according to the test requirements of the intelligent driving vehicle at the present stage.
Disclosure of Invention
In view of the above, the invention aims to provide a dragging device for an intelligent driving automobile electromagnetic compatibility test moving obstacle, so as to drag a simulated obstacle to move under a complex electromagnetic environment, simulate the motion relationship between the obstacle and a vehicle, and verify the reliability of an intelligent driving technology.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the dragging device for the intelligent driving automobile electromagnetic compatibility test moving obstacle comprises a magnetic coupling transmission device, a photoelectric converter and a controller, wherein the magnetic coupling transmission device is connected with the controller through a pipeline, the controller is connected with an air source through a pipeline, the photoelectric converter is connected with the magnetic coupling transmission device through a pipeline, and the photoelectric converter is connected with the controller through an optical fiber;
the magnetic coupling transmission device comprises a base, a pneumatic cylinder and a movable carriage, wherein the pneumatic cylinder is fixed on the base, a power piston is arranged in the pneumatic cylinder and is in sliding connection with the pneumatic cylinder, the movable carriage is sleeved on the outer side of the pneumatic cylinder, a first permanent magnet is arranged at the bottom of the movable carriage, a second permanent magnet is arranged on the power piston, and the movable carriage is connected with the power piston through attractive force between the first permanent magnet and the second permanent magnet;
the two ends of the pneumatic cylinder are respectively connected with the controller through pipelines, 2 sensing probes are arranged in the pneumatic cylinder, the sensing probes are respectively fixed at the two ends of the pneumatic cylinder, and the sensing probes are respectively connected with the photoelectric converter through the pipelines.
Further, the pneumatic cylinder comprises a plurality of cylinders which are connected end to end, and the cylinders are all made of nonmetallic materials.
Further, the bottom of removal planker be equipped with 2 direction subassemblies, direction subassembly be located respectively the both sides of pneumatic cylinder, the base on be equipped with 2 respectively with direction subassembly complex guide way, direction subassembly's one end and removal planker fixed connection, and the other end is located rather than corresponding guide way.
Further, the guide assembly comprises a plurality of guide rods, one ends of the guide rods are fixedly connected with the movable carriage, guide wheels are arranged at the other ends of the guide rods, and the guide wheels are respectively located in the corresponding guide grooves.
Further, 2 moving wheel groups are further arranged at the bottom of the moving carriage, the moving wheel groups are respectively positioned at two sides of the moving carriage, and the guide rods are positioned between the moving wheel groups and the pneumatic cylinders.
Further, the movable wheel group comprises a plurality of wheels, and the wheels are fixed at the bottom of the movable carriage through brackets.
Further, the bottom of the base is provided with a plurality of suckers.
Furthermore, all components of the dragging device are made of nonmetallic materials.
Compared with the prior art, the dragging device for the intelligent driving automobile electromagnetic compatibility test moving obstacle has the following advantages:
the dragging device for the intelligent driving automobile electromagnetic compatibility test movable barrier provides a system for dragging the simulated barrier to move in the complex electromagnetic environment of the intelligent driving automobile when simulating an actual scene, can intelligently control the movement speed and the movement direction, and can simulate the movement relationship between the automobile and the barrier more truly. Meanwhile, the system can be used on the basis of the existing darkroom, and the transformation cost of the darkroom is greatly saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of connection relation of a dragging device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a magnetic coupling transmission device according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a magnetic coupling transmission device according to an embodiment of the invention.
Reference numerals illustrate:
1. a magnetic coupling transmission device; 11. a base; 111. a guide groove; 112. a suction cup; 12. a pneumatic cylinder; 121. a power piston; 1211. a second permanent magnet; 122. an inductive probe; 1221. a first inductive probe; 1222. a second inductive probe; 123. a cylinder; 13. moving the carriage; 131. a first permanent magnet; 132. a guide rod; 1321. a guide wheel; 133. a wheel; 2. a photoelectric converter; 3. a controller; 4. a first air tube; 5. a second air pipe; 6. a first signal line; 7. a second signal line; 8. a first optical fiber; 9. a second optical fiber; 10. and (5) an air source.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1-3, a dragging device for intelligent driving of an automobile electromagnetic compatibility test moving obstacle comprises a magnetic coupling transmission device 1, a photoelectric converter 2 and a controller 3, wherein the magnetic coupling transmission device 1 is connected with the controller 3 through a pipeline, the controller 3 is connected with an air source 10 through a pipeline, the photoelectric converter 2 is connected with the magnetic coupling transmission device 1 through a circuit, and the photoelectric converter 2 is connected with the controller 3 through an optical fiber; the two ends of the magnetic coupling transmission device 1 are respectively connected with a first air pipe 4 and a second air pipe 5, the other ends of the first air pipe 4 and the second air pipe 5 are connected with a controller 3, and the controller 3 is communicated with an air source 10.
The magnetic coupling transmission device 1 comprises a base 11, a pneumatic cylinder 12 and a movable carriage 13, wherein the pneumatic cylinder 12 is fixed on the base 11, a power piston 121 is arranged in the pneumatic cylinder 12, the power piston 121 is in sliding connection with the pneumatic cylinder 12, the movable carriage 13 is sleeved on the outer side of the pneumatic cylinder 12, a first permanent magnet 131 is arranged at the bottom of the movable carriage 13, a second permanent magnet 1211 is arranged on the power piston 121, and the movable carriage 13 is connected with the power piston 121 through attractive force between the first permanent magnet 131 and the second permanent magnet 1211; the power piston 121 is composed of a strong magnetic permanent magnet and a basic piston, is arranged in the pneumatic cylinder 12 and acts with the first permanent magnet 131 on the movable carriage 13 to form coupling force.
The two ends of the pneumatic cylinder 12 are respectively connected with the controller 3 through pipelines, 2 sensing probes 122 are arranged in the pneumatic cylinder 12, the sensing probes 122 are respectively fixed at the two ends of the pneumatic cylinder 12, and the sensing probes 122 are respectively connected with the photoelectric converter 2 through the pipelines.
The pneumatic cylinder 12 comprises a plurality of cylinders 123 connected end to end, and the cylinders 123 are all made of nonmetallic materials. The cylinder 123 is made of nonmetallic materials, and two ends of the cylinder are respectively provided with male threads and female threads, and the threads at the two ends are mainly used for connecting the two cylinders 123 or connecting an air pipe. A plurality of nonmetallic cylinders 123 may be connected as required to satisfy the stroke requirement.
The bottom of the movable carriage 13 is provided with 2 guide components, the guide components are respectively positioned at two sides of the pneumatic cylinder 12, the base 11 is provided with 2 guide grooves 111 respectively matched with the guide components, one end of each guide component is fixedly connected with the movable carriage 13, and the other end of each guide component is positioned in the corresponding guide groove 111.
The guide assembly comprises a plurality of guide rods 132, one ends of the guide rods 132 are fixedly connected with the movable carriage 13, guide wheels 1321 are arranged at the other ends of the guide rods 132, and the guide wheels 1321 are respectively positioned in the corresponding guide grooves 111. The guide wheel 1321 rolls in the guide groove 111, plays a guiding role, can perform bidirectional restraint, and has small resistance.
The bottom of the movable carriage 13 is also provided with 2 movable wheel groups, the movable wheel groups are respectively positioned at two sides of the movable carriage 13, and the guide rods 132 are respectively positioned between the movable wheel groups and the pneumatic cylinder 12.
The movable wheel set comprises a plurality of wheels 133, and the wheels 133 are fixed at the bottom of the movable carriage 13 through brackets. The wheels 133 can reduce the frictional resistance between the movable carriage 13 and the ground
The bottom of the base 11 is provided with a plurality of suckers 112. The base 11 is fixed on the ground of a laboratory through the sucker 112, and the base 11 is a bracket of the pneumatic cylinder 12 provided with the sucker 112 and can fix the nonmetallic pneumatic cylinder 12 and the guide component.
All components of the dragging device are made of nonmetallic materials.
The specific installation steps of the dragging device are as follows:
(1) The power piston 121 is arranged in the nonmetal pneumatic cylinder 12 and is fixed, the movable carriage 13 is arranged right above the power piston 121 and is close to the nonmetal pneumatic cylinder, the power piston 121 and the movable carriage 13 generate coupling force, and when the power piston 121 is pushed, the movable carriage 13 moves along with the coupling force; then, the pneumatic cylinder 12 is fixed on the base 11, and the guide wheel 1321 mounted on one end of the guide rod 132 on the movable carriage 13 is smoothly introduced into the guide groove 111 and slid smoothly, the position of the nonmetallic pneumatic cylinder 12 is adjusted, and the nonmetallic pneumatic cylinder 12 and the base 11 are bolted by nonmetallic bolts (this step can be performed only when the first installation or the demagnetization occurs, and does not need to be performed every time).
(2) Winding a sealing strip on one end of a male thread of a cylinder body 123 of the nonmetal pneumatic cylinder 12 in the step (1) and connecting with one end of a female thread of another cylinder body 123, and fastening the base 11 and the nonmetal pneumatic cylinder 12 by using nonmetal bolts. According to the method, a plurality of cylinders 123 are connected according to the stroke and the site requirement so as to meet the stroke requirement. Simultaneously, the sucking disc 112 on the base 11 is opened to fix the base 11 on the ground.
(3) The two ends of the pneumatic cylinder 12 are respectively connected with the first air pipe 4 and the second air pipe 5, the other ends of the first air pipe 4 and the second air pipe 5 are connected with the controller 3 outside the darkroom, and the controller 3 is connected with the air source 10.
(4) The first sensing probe 1221 and the second sensing probe 1222 are respectively installed at two ends of the pneumatic cylinder 12, and are respectively connected with the photoelectric converter 2 through the first signal line 6 and the second signal line 7, and the other end of the photoelectric converter 2 is respectively connected with the controller 3 outside the darkroom through the first optical fiber 8 and the second optical fiber 9.
In operation, after the movable carriage 13 reaches a specified position, the movable carriage is sensed by the sensing probe 122, the first sensing probe 1221 and the second sensing probe 1222 transmit signals to the photoelectric converter through the first signal line 6 and the second signal line 7 respectively, the photoelectric converter 2 converts the electric signals into optical signals, the optical signals are transmitted to the controller 3 through the first optical fiber 8 and the second optical fiber 9 respectively, and the controller 3 controls the air inlet or exhaust of the first air pipe 4 and the second air pipe 5 to control the moving direction of the movable carriage 13 through controlling the action of electromagnetic valves. The stop, movement, and movement speed of the movable carriage 13 can also be controlled by controlling the air pressure and flow rate through the electromagnetic valve.
The dragging device provides a system for dragging the motion of the simulation obstacle when the intelligent driving automobile simulates an actual scene in a complex electromagnetic environment, can intelligently control the motion speed and the motion direction, and can simulate the motion relationship between the vehicle and the obstacle more truly. Meanwhile, the system can be used on the basis of the existing darkroom, and the transformation cost of the darkroom is greatly saved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (6)

1. An intelligent driving car electromagnetic compatibility test removes dragging device of barrier, its characterized in that: the device comprises a magnetic coupling transmission device (1), a photoelectric converter (2) and a controller (3), wherein the magnetic coupling transmission device (1) is connected with the controller (3) through a pipeline, the controller (3) is connected with an air source through a pipeline, the photoelectric converter (2) is connected with the magnetic coupling transmission device (1) through a pipeline, and the photoelectric converter (2) is connected with the controller (3) through an optical fiber;
the magnetic coupling transmission device (1) comprises a base (11), a pneumatic cylinder (12) and a movable carriage (13), wherein the pneumatic cylinder (12) is fixed on the base (11), a power piston (121) is arranged in the pneumatic cylinder (12), the power piston (121) is in sliding connection with the pneumatic cylinder (12), the movable carriage (13) is sleeved on the outer side of the pneumatic cylinder (12), a first permanent magnet (131) is arranged at the bottom of the movable carriage (13), a second permanent magnet (1211) is arranged on the power piston (121), and the movable carriage (13) is connected with the power piston (121) through attractive force between the first permanent magnet (131) and the second permanent magnet (1211);
the two ends of the pneumatic cylinder (12) are respectively connected with the controller (3) through pipelines, 2 sensing probes (122) are arranged in the pneumatic cylinder (12), the sensing probes (122) are respectively fixed at the two ends of the pneumatic cylinder (12), and the sensing probes (122) are respectively connected with the photoelectric converter (2) through the pipelines;
the pneumatic cylinder (12) comprises a plurality of cylinders (123) which are connected end to end, and the cylinders (123) are all made of nonmetallic materials;
the bottom of removal planker (13) be equipped with 2 direction subassemblies, direction subassembly be located respectively pneumatic cylinder (12) both sides, base (11) on be equipped with 2 respectively with direction subassembly complex guide way (111), the one end and removal planker (13) fixed connection of direction subassembly, and the other end is located rather than corresponding guide way (111).
2. The intelligent driving automobile electromagnetic compatibility test moving obstacle dragging device according to claim 1, wherein: the guide assembly comprises a plurality of guide rods (132), one ends of the guide rods (132) are fixedly connected with the movable carriage (13), guide wheels (1321) are arranged at the other ends of the guide rods (132), and the guide wheels (1321) are respectively located in the guide grooves (111) corresponding to the guide wheels.
3. The intelligent driving automobile electromagnetic compatibility test moving obstacle dragging device according to claim 2, wherein: the bottom of the movable carriage (13) is also provided with 2 movable wheel groups, the movable wheel groups are respectively positioned at two sides of the movable carriage (13), and the guide rods (132) are respectively positioned between the movable wheel groups and the pneumatic cylinders (12).
4. The intelligent driving automobile electromagnetic compatibility test moving obstacle dragging device according to claim 3, wherein: the movable wheel set comprises a plurality of wheels (133), and the wheels (133) are fixed at the bottom of the movable carriage (13) through brackets.
5. The intelligent driving automobile electromagnetic compatibility test moving obstacle dragging device according to claim 1, wherein: the bottom of the base (11) is provided with a plurality of suckers (112).
6. The intelligent driving automobile electromagnetic compatibility test moving obstacle dragging device according to claim 1, wherein: all parts of the dragging device are made of nonmetallic materials.
CN201910009552.1A 2019-01-04 2019-01-04 Dragging device for intelligent driving automobile electromagnetic compatibility test moving obstacle Active CN109633337B (en)

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Publication number Priority date Publication date Assignee Title
CN110988555B (en) * 2019-12-18 2022-05-03 长春汽车检测中心有限责任公司 Hardware-in-loop-based electromagnetic compatibility test platform for automatic driving intelligent automobile

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