CN103940624B - The rail vehicle real vehicle Impact Experimental System that coupling occupant behavior detects - Google Patents
The rail vehicle real vehicle Impact Experimental System that coupling occupant behavior detects Download PDFInfo
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Abstract
The rail vehicle real vehicle Impact Experimental System that the occupant's behavior that is coupled detects, described pilot system comprises central control board, transmitter, real vehicle and shock wall; On rail between transmitter and shock wall, put real vehicle; Shock speed measuring device and high-speed photography device are installed in the side of clashing into wall; In real vehicle compartment, experiment dummy is respectively arranged in the two ends of occupant area and middle part, and experiment dummy puts on the seat with unconfinement sitting posture, on each experiment dummy's body, arranges pressure sensor, displacement transducer and acceleration transducer; While being configured in debugging working condition, use brake apparatus, speed governing brake apparatus joint and debugging speed measuring device; In bump test process: brake apparatus and speed governing brake apparatus joint depart from, central control board programme-control relevant apparatus receives save data; Art skating distance that real vehicle is unpowered is at least 1.1 times of transmitter effective travel; Real vehicle is not less than 25 kilometers per hour with the test stroke speed that clashes into wall. The occupant's behavior that is simultaneously coupled detects.
Description
Technical field
The present invention relates to the rail vehicle real vehicle Impact Experimental System that a kind of occupant's of coupling behavior detects.
Background technology
Train collision accident serious threat occupant safety. The loss causing for alleviating train collision accident, development Crashworthy raiway car-body with energy absorbing, is to alleviate train to clash into the important channel that Accidents Disasters loses, the inexorable trend of Ye Shi world railway bus body structure (comprising urban rail transit vehicles) development. In track vehicle structure Study on Crashworthiness, real vehicle bump test is that one can truly reflect knockout process and irreplaceable research means. Must rely on full scale vehicle collision experiment to carry out crashworthiness energy-absorbing body development.
Chinese Patent Application No. is 200610046823.3, name is called " automobile passive safety system collision experiment method " and discloses following technical scheme: " a kind of automobile passive safety system collision experiment method, can implement: (A) car body is reinforced and installed in-vehicle camera and data collecting system according to the following steps; (B) inspection and definite constrained system configuring condition; Check angle, position and the fixation case of seat record seat chess backrest; (d) accuracy of inspection H point location; (E) basic status of inspection safety belt; (F) check whether steering wheel and steering column be fixing firm; (G) check the fixing whether firm of instrument, if there is balloonet, whether fixation; (H) coat greasepaint at dummy's face; (I) carry out car load collision ".
Chinese Patent Application No. is 01134940.9, name is called " ramp automobile collision experiment system and collision experiment method " and discloses following technical scheme: " a kind of ramp automobile collision experiment system, comprising: support, haulage cable, hoist engine and carrying roller composition traction guider; Its medium-height trestle is fixed on the top in ramp, support is provided with a hoist engine, and order is installed another support, and this support is provided with carrying roller, a haulage cable is connected with hoist engine by carrying roller, the haulage cable other end by the movable pulley on tractor again wraparound be connected to the top in ramp; Or be directly connected with traction positioning car; Between traction positioning car and laboratory vehicle, is connected and relies on a draw hook and unhook relieving mechanism, realize the connection of drawing between positioning car and laboratory vehicle and separate; There is the acceleration ramp of certain height difference to comprise horizontal transition section, curve transition and linear accelerating section; One end joint test section in ramp, arranges an observation tower that is equipped with testing equipment on test section, test section both sides is provided with revetment; The instrument of testing acceleration is installed in laboratory vehicle. "
Disclosed two kinds of technical schemes above, although they can be applied at automotive field, they all can not directly use on the striking experiment of rail vehicle. Its basic reason is the particularity of rail vehicle structure, and its volume is large, quality large, it is large to hit area, is generally not less than 4 meters × 4 meters; The speed of the rail vehicle particularly moving in high ferro is high, and when shock, energy level is high. Use cannot be directly used for reference, the full scale vehicle collision experimental system for rail vehicle need to be again developed.
Adopting athletic posture and the stressed variation of occupant in dummy model test car body collision process is effective good method. Be 200610046823.3 as Chinese Patent Application No., name is called " automobile passive safety system collision experiment method " disclosed " face dummy is coated greasepaint ", and car crass field extensively adopts dummy to carry out corresponding collision experiment.
But compared with car crass, train occupant, in unconfinement state, there is no " safety belt ", active constrained systems such as " air bags ", also should be different for its testing scheme.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, one is provided is 40 ~ 80T to quality with stroke speed is that 25 ~ 80km/h or higher rail vehicle real vehicle carry out bump test, and collection driving, braking, center-control and test parameters are collected in the rail vehicle real vehicle Impact Experimental System with the experiment of unconfinement human body simulation of one.
Object of the present invention is achieved by following technical proposals: described pilot system comprises central control board, transmitter, real vehicle and shock wall; In described central control board, special-purpose software is installed, is electrically connected with the automatically controlled part of transmitter and the dynamometry harvester of shock wall;
On ground between described transmitter and shock wall, rail is set, on rail, puts real vehicle;
In described real vehicle compartment, at least one experiment dummy is respectively arranged in the two ends of occupant area and middle part, and experiment dummy puts on the seat with unconfinement sitting posture, and seat is fixed on floor; Experiment dummy is standard dummy, and each experiment dummy's head, neck shirtfront and back are arranged pressure sensor, displacement transducer and acceleration transducer; Central control board is connected by wired or wireless mode with pressure sensor, displacement transducer and acceleration transducer.
In bump test process:
Described central control board, by the work of dynamometry harvester, pressure sensor, displacement transducer and the acceleration transducer of programme-control transmitter, shock speed measuring device, high-speed photography device, shock wall, receives and preserves related data;
Described transmitter accelerates real vehicle in effective travel, and real vehicle bumps with clashing into wall after the unpowered art skating of certain distance, and the distance of real vehicle art skating is at least 1.1 times of transmitter effective travel;
Test stroke speed when described real vehicle bumps with shock wall is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% of real vehicle operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
After off-test, carry out analytical calculation, output test result.
Described each experiment dummy is set with the framework of a rigidity, location arrangements pressure sensor, displacement transducer and the acceleration transducer of the experiment dummy's that the crossbeam of framework is corresponding head, neck, back, anterior part of chest, belly, shank and hand; Central control board is connected by wired or wireless mode with pressure sensor, displacement transducer and acceleration transducer.
Described shock wall comprises even power plate, dynamometry harvester and impact pier, and even power plate is towards real vehicle, and dynamometry harvester is between even power plate and impact pier; Described dynamometry harvester is force cell array; Described central control board be connected with force cell array electric and receive clash into data.
Described pilot system is used brake apparatus, speed governing brake apparatus joint and debugging speed measuring device while being configured in debugging working condition; Described speed governing brake apparatus joint is fixed on real vehicle; Described debugging speed measuring device is arranged in a side or the both sides of rail and is electrically connected with central control board, position when debugging speed measuring device is positioned at real vehicle and starts art skating.
In the car body of described real vehicle, be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board.
Described real vehicle is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board exceeds setting value by some mark lines shared width reduction in the capture area of high-speed photography device of high-speed photography device acquisition occupant area, the alarm in central control board starts to report to the police.
Compared with prior art, the present invention has advantage: construct scientific and reasonable, operation is simple, can carry out bump test to the rail vehicle real vehicle of large quality (40 ~ 80T) and high stroke speed (25 ~ 80km/h or higher), union driving, braking, center-control and test parameters are collected in one.
Brief description of the drawings
Fig. 1 is one embodiment of the invention structural representation;
Fig. 2 is Fig. 1 plan structure schematic diagram;
In figure: 1-central control board, 2-transmitter, 3-real vehicle, 4-speed governing brake apparatus joint, 5-debugs speed measuring device, 6-rail, 7-ground, 8-clashes into speed measuring device, 9-high-speed photography device, and 10 clash into wall, the even power plate of 11-, 12-force cell array, 13-impact pier, 14-floor, 15-seat, 16-tests dummy, 17-pressure sensor, 18-displacement transducer, 19-acceleration transducer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
With reference to accompanying drawing, described pilot system comprises central control board 1, transmitter 2, real vehicle 3 and clashes into wall 10; In described central control board 1, special-purpose software is installed, is electrically connected with the automatically controlled part of transmitter 2 and the dynamometry harvester of shock wall 10;
On ground 7 between described transmitter 2 and shock wall 10, rail 6 is set, on rail 6, puts real vehicle 3;
In described real vehicle 3 compartments, at least one experiment dummy 16 is respectively arranged in the two ends of occupant area and middle part, and experiment dummy 16 is placed on seat 15 with unconfinement sitting posture, and seat 15 is fixed on floor 14; Experiment dummy 16 is standard dummy, and each experiment dummy's 16 head, neck shirtfront and back are arranged pressure sensor 17, displacement transducer 18 and acceleration transducer 19; Central control board 1 is connected by wired or wireless mode with pressure sensor 17, displacement transducer 18 and acceleration transducer 19.
In bump test process:
Described central control board 1, by the work of dynamometry harvester, pressure sensor 17, displacement transducer 18 and the acceleration transducer 19 of programme-control transmitter 2, shock speed measuring device 8, high-speed photography device 9, shock wall 10, receives and preserves related data;
Described transmitter 2 accelerates real vehicle 3 in effective travel, and real vehicle 3 bumps with clashing into wall 10 after the unpowered art skating of certain distance, and the distance of real vehicle 3 art skatings is at least 1.1 times of transmitter 2 effective travels;
Test stroke speed when described real vehicle 3 bumps with shock wall 10 is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% that real vehicle 3 is runed speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
After off-test, carry out analytical calculation, output test result.
Described each experiment dummy 16 is set with the framework of a rigidity, location arrangements pressure sensor 17, displacement transducer 18 and the acceleration transducer 19 of the experiment dummy's 16 that the crossbeam of framework is corresponding head, neck, back, anterior part of chest, belly, shank and hand; Central control board 1 is connected by wired or wireless mode with pressure sensor 17, displacement transducer 18 and acceleration transducer 19.
Described shock wall 10 comprises even power plate 11, dynamometry harvester and impact pier 13, and even power plate 11 is towards real vehicle 3, and dynamometry harvester is between even power plate 11 and impact pier 13; Described dynamometry harvester is force cell array 12; Described central control board 1 is electrically connected and receives shock data with force cell array 12.
Described pilot system is used brake apparatus, speed governing brake apparatus joint 4 and debugging speed measuring device 5 while being configured in debugging working condition; Described speed governing brake apparatus joint 4 is fixed on real vehicle 3; Described debugging speed measuring device 5 is arranged in a side or the both sides of rail 6 and is electrically connected with central control board 1, position when debugging speed measuring device 5 is positioned at real vehicle 3 and starts art skating.
In the car body of described real vehicle 3, be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board 1.
Described real vehicle 3 is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; Clashing in generating process, when some the mark lines shared width reduction in the capture area of high-speed photography device 9 that obtains occupant area by high-speed photography device 9 when central control board 1 exceeds setting value, the alarm in central control board 1 starts to report to the police.
In following examples:
Central control board 1: special-purpose software being installed, adopting prior art to design and produce, is control, data acquisition, analyzing and processing and the human-computer dialogue center of pilot system of the present invention.
Transmitter 2: the equipment and the product that adopt prior art.
Real vehicle 3: the material object of tested vehicle, as railcar, high ferro vehicle, common rail vehicle etc.
Speed governing brake apparatus joint 4: be arranged on the proper site on real vehicle 3, for debugging the initial velocity before real vehicle 3 art skatings, this initial velocity calculates by known theory. When debugging, speed governing brake apparatus joint 4 is connected with brake apparatus, should measure described initial velocity, goes back otherwise allows real vehicle 3 not knock shock wall 10; In the time of formal test, speed governing brake apparatus joint 4 departs from brake apparatus.
Debugging speed measuring device 5 and shock speed measuring device 8: be photoelectrical velocity measure equipment, laser velocimeter device, radar velocity measurement device or camera.
Rail 6 and ground 7: conventional known technology designs and produces.
High-speed photography device 9: conventional known equipment.
Clash into wall 10: mainly formed by even power plate 11, force cell array 12 and impact pier 13; Force cell array 12 is between even power plate 11 and impact pier 13, and even power plate 11 is towards real vehicle 3; Central control board 1 is electrically connected with force cell array 12, and the shock data of output when receiving force cell array 12 and being knocked.
Travel switch and collision block and alarm: conventional known product.
Floor 14 and seat 15 are the existing article in real vehicle 3.
Experiment dummy 16 is commercially available standard test dummy, calibrated altitude and SBW.
Pressure sensor 17, displacement transducer 18 and acceleration transducer 19 are commercially available pressure sensor.
Brake apparatus: be known device.
Test stroke speed: pass through in advance theoretical calculative determination, or determine according to 25 kilometers per hour. Then basically identical with test stroke speed by clashing into speed measuring device 8 practice examining.
Embodiment 1:
On ground 7 between transmitter 2 and shock wall 10, rail 6 is set; Real vehicle 3 is placed on rail 6, and real vehicle 3 clashes into one end installation transmitter 2 of wall 10 dorsad; In real vehicle 3 compartments, at least one experiment dummy 16 is respectively arranged in the two ends of occupant area and middle part, and experiment dummy 16 is placed on seat 15 with unconfinement sitting posture, and seat 15 is fixed on floor 14; Experiment dummy 16 is standard dummy, and each experiment dummy's 16 head, neck shirtfront and back are arranged pressure sensor 17, displacement transducer 18 and acceleration transducer 19; Central control board 1 is connected by wired or wireless mode with pressure sensor 17, displacement transducer 18 and acceleration transducer 19. In bump test process: central control board 1, by the work of dynamometry harvester, pressure sensor 17, displacement transducer 18 and the acceleration transducer 19 of programme-control transmitter 2, shock speed measuring device 8, high-speed photography device 9, shock wall 10, receives and preserves related data; Transmitter 2 accelerates real vehicle 3 in effective travel, and real vehicle 3 bumps with clashing into wall 10 after the unpowered art skating of certain distance, and the distance of real vehicle 3 art skatings is at least 1.1 times of transmitter 2 effective travels; Test stroke speed when real vehicle 3 bumps with shock wall 10 is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% that real vehicle 3 is runed speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour; After off-test, carry out analytical calculation, output test result.
Embodiment 2:
Substantially the same manner as Example 1, different: each experiment dummy 16 is set with the framework of a rigidity, location arrangements pressure sensor 17, displacement transducer 18 and the acceleration transducer 19 of the experiment dummy's 16 that the crossbeam of framework is corresponding head, neck, back, anterior part of chest, belly, shank and hand; Central control board 1 is connected by wired or wireless mode with pressure sensor 17, displacement transducer 18 and acceleration transducer 19.
Embodiment 3,4:
Substantially the same manner as Example 1, different respectively: clash into wall 10 and comprise even power plate 11, dynamometry harvester and impact pier 13, even power plate 11 is towards real vehicle 3, and dynamometry harvester is between even power plate 11 and impact pier 13; Described dynamometry harvester is force cell array 12; Described central control board 1 is electrically connected and receives shock data with force cell array 12.
Embodiment 5-8:
On the basis of embodiment 14, while being configured in debugging working condition, use brake apparatus, speed governing brake apparatus joint 4 and debugging speed measuring device 5 respectively; Described speed governing brake apparatus joint 4 is fixed on real vehicle 3; Described debugging speed measuring device 5 is arranged in a side or the both sides of rail 6 and is electrically connected with central control board 1, position when debugging speed measuring device 5 is positioned at real vehicle 3 and starts art skating.
Embodiment 9-16:
Respectively on the basis of embodiment 1-8, in the car body of described real vehicle 3, be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board 1.
Embodiment 17-24:
On the basis of embodiment 1-8, described real vehicle 3 is divided into occupant area and deformable zone respectively, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; Clashing in generating process, when some the mark lines shared width reduction in the capture area of high-speed photography device 9 that obtains occupant area by high-speed photography device 9 when central control board 1 exceeds setting value, the alarm in central control board 1 starts to report to the police.
The practical application main points of embodiment 1,2:
1, transmitter 2 effective travels are 5 meters, and real vehicle 3 length are 26 meters, and quality is 60.5 tons, and setting the unpowered art skating distance of real vehicle 3 is 10 meters. In other words, the total range ability of real vehicle 3 is 15 meters.
2, set real vehicle 3 for 25K type air conditioning generator car (quality is 60.5 tons), the speed per hour that real vehicle 3 contacts and strikes while clashing into wall 10 is 25 kilometers per hour, art skating distance is 10 meters, and the initial velocity that can calculate conversely while starting to slide according to this vehicle datum drag computing formula and equation of train mot io n formula is 25.77 kilometers per hour. That is: this speed is the speed 5 meters time in the maximum journey of transmitter 2.
3, according to above parameter, the cross-sectional area of the dischargeable capacity between hollow piston 18 and the cylinder sleeve 20 of transmitter 2 is 0.42 square metre, and the dischargeable capacity of supporting air accumulator 16 is 2500 liters; In the situation that stroke is 5 meters, its effective emitted energy is about 1550.1KJ.
4, transmitter 2 is before transmitting, and its cylinder sleeve 20 and real vehicle 3 are close together.
5, central control board 1 starts transmitter 2 and works, and transmitter 2 promotes real vehicle 3 according to setting speed and moves after 5 meters, real vehicle 3 again after 10 meters of unpowered art skatings with clash into wall 10 and bump against. In whole knockout process, clashing into speed measuring device 8, high-speed photography device 9, shock wall 10, pressure sensor 17, displacement transducer 18 and acceleration transducer 19 sends to central control board 1 to preserve shock data, after finishing, experiment carries out analytical calculation, output experimental result.
Art skating distance that real vehicle 3 is unpowered is not less than 1.1 times of transmitter 2 effective impulse strokes, can save floor occupying area according to actual conditions.
Claims (14)
1. the rail vehicle real vehicle Impact Experimental System that the occupant's behavior that is coupled detects, described pilot system comprises central control board (1), transmitter (2), real vehicle (3) and clashes into wall (10); Described central control board is provided with special-purpose software in (1), is electrically connected with the automatically controlled part of transmitter (2) and the dynamometry harvester of shock wall (10); It is characterized in that:
On ground (7) between described transmitter (2) and shock wall (10), rail (6) is set, on rail (6), puts real vehicle (3);
In described real vehicle (3) compartment, at least one experiment dummy (16) is respectively arranged in the two ends of occupant area and middle part, and it is upper that experiment dummy (16) is placed in seat (15) with unconfinement sitting posture, and seat (15) is fixed on floor (14); Experiment dummy (16) is standard dummy, and each experiment dummy's (16) head, neck, shirtfront and back are arranged pressure sensor (17), displacement transducer (18) and acceleration transducer (19); Central control board (1) is connected by wired or wireless mode with pressure sensor (17), displacement transducer (18) and acceleration transducer (19);
In bump test process:
Described central control board (1), by the work of dynamometry harvester, pressure sensor (17), displacement transducer (18) and the acceleration transducer (19) of programme-control transmitter (2), shock speed measuring device (8), high-speed photography device (9), shock wall (10), receives and preserves related data;
Described transmitter (2) accelerates real vehicle (3) in effective travel, real vehicle (3) bumps with clashing into wall (10) after the unpowered art skating of certain distance, and the distance of real vehicle (3) art skating is at least 1.1 times of transmitter (2) effective travel;
Test stroke speed when described real vehicle (3) bumps with shock wall (10) is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% of real vehicle (3) operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
After off-test, carry out analytical calculation, output test result.
2. pilot system according to claim 1, it is characterized in that: described shock wall (10) comprises even power plate (11), dynamometry harvester and impact pier (13), even power plate (11) is towards real vehicle (3), and dynamometry harvester is positioned between even power plate (11) and impact pier (13); Described dynamometry harvester is force cell array (12); Described central control board (1) is electrically connected and receives shock data with force cell array (12).
3. pilot system according to claim 1 and 2, is characterized in that: brake apparatus, speed governing brake apparatus joint (4) and debugging speed measuring device (5) that described pilot system is used while being configured in debugging working condition; Described speed governing brake apparatus joint (4) is fixed on real vehicle (3); Described debugging speed measuring device (5) is arranged in a side or the both sides of rail (6) and is electrically connected with central control board (1), position when debugging speed measuring device (5) is positioned at real vehicle (3) beginning art skating.
4. pilot system according to claim 1 and 2, it is characterized in that: in the car body of described real vehicle (3), be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board (1).
5. pilot system according to claim 3, it is characterized in that: in the car body of described real vehicle (3), be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board (1).
6. pilot system according to claim 1 and 2, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board (1) exceeds setting value by some mark lines shared width reduction in the capture area of high-speed photography device (9) of high-speed photography device (9) acquisition occupant area, the alarm in central control board (1) starts to report to the police.
7. pilot system according to claim 3, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board (1) exceeds setting value by some mark lines shared width reduction in the capture area of high-speed photography device (9) of high-speed photography device (9) acquisition occupant area, the alarm in central control board (1) starts to report to the police.
8. the rail vehicle real vehicle Impact Experimental System that the occupant's behavior that is coupled detects, described pilot system comprises central control board (1), transmitter (2), real vehicle (3) and clashes into wall (10); Described central control board is provided with special-purpose software in (1), is electrically connected with the automatically controlled part of transmitter (2) and the dynamometry harvester of shock wall (10); It is characterized in that:
On ground (7) between described transmitter (2) and shock wall (10), rail (6) is set, on rail (6), puts real vehicle (3);
In described real vehicle (3) compartment, at least one experiment dummy (16) is respectively arranged in the two ends of occupant area and middle part, and it is upper that experiment dummy (16) is placed in seat (15) with unconfinement sitting posture, and seat (15) is fixed on floor (14); Experiment dummy (16) is standard dummy, the framework of a rigidity of each experiment dummy (16) suit, location arrangements pressure sensor (17), displacement transducer (18) and the acceleration transducer (19) of the experiment dummy's (16) that the crossbeam of framework is corresponding head, neck, back, anterior part of chest, belly, shank and hand; Central control board (1) is connected by wired or wireless mode with pressure sensor (17), displacement transducer (18) and acceleration transducer (19);
In bump test process:
Described central control board (1), by the work of dynamometry harvester, pressure sensor (17), displacement transducer (18) and the acceleration transducer (19) of programme-control transmitter (2), shock speed measuring device (8), high-speed photography device (9), shock wall (10), receives and preserves related data;
Described transmitter (2) accelerates real vehicle (3) in effective travel, real vehicle (3) bumps with clashing into wall (10) after the unpowered art skating of certain distance, and the distance of real vehicle (3) art skating is at least 1.1 times of transmitter (2) effective travel;
Test stroke speed when described real vehicle (3) bumps with shock wall (10) is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% of real vehicle (3) operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
After off-test, carry out analytical calculation, output test result.
9. pilot system according to claim 8, it is characterized in that: described shock wall (10) comprises even power plate (11), dynamometry harvester and impact pier (13), even power plate (11) is towards real vehicle (3), and dynamometry harvester is positioned between even power plate (11) and impact pier (13); Described dynamometry harvester is force cell array (12); Described central control board (1) is electrically connected and receives shock data with force cell array (12).
10. pilot system according to claim 8 or claim 9, is characterized in that: brake apparatus, speed governing brake apparatus joint (4) and debugging speed measuring device (5) that described pilot system is used while being configured in debugging working condition; Described speed governing brake apparatus joint (4) is fixed on real vehicle (3); Described debugging speed measuring device (5) is arranged in a side or the both sides of rail (6) and is electrically connected with central control board (1), position when debugging speed measuring device (5) is positioned at real vehicle (3) beginning art skating.
11. pilot systems according to claim 8 or claim 9, it is characterized in that: in the car body of described real vehicle (3), be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board (1).
12. pilot systems according to claim 10, it is characterized in that: in the car body of described real vehicle (3), be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board (1).
13. pilot systems according to claim 8 or claim 9, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board (1) exceeds setting value by some mark lines shared width reduction in the capture area of high-speed photography device (9) of high-speed photography device (9) acquisition occupant area, the alarm in central control board (1) starts to report to the police.
14. pilot systems according to claim 10, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board (1) exceeds setting value by some mark lines shared width reduction in the capture area of high-speed photography device (9) of high-speed photography device (9) acquisition occupant area, the alarm in central control board (1) starts to report to the police.
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| CN201410195038.9A CN103940624B (en) | 2014-05-09 | 2014-05-09 | The rail vehicle real vehicle Impact Experimental System that coupling occupant behavior detects |
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| CN110207672A (en) * | 2019-06-06 | 2019-09-06 | 中国汽车技术研究中心有限公司 | A kind of real vehicle braking dummy simulating AEB offs normal data collection system |
| CN112525402A (en) * | 2020-11-23 | 2021-03-19 | 中车长春轨道客车股份有限公司 | Dynamic force measuring system and method for rail vehicle collision |
| CN113049414B (en) * | 2021-03-09 | 2023-04-25 | 中车青岛四方机车车辆股份有限公司 | High-speed offset impact performance testing device and method for train energy-absorbing test piece |
| CN113616192B (en) * | 2021-07-01 | 2022-12-13 | 中南大学 | Train passenger collision stress behavior test system and method |
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