CN105841977A - Low speed moving object traction system - Google Patents

Abstract

An aim of the invention is to provide a low speed moving object traction system. In automobile active safety technology test processes, the low speed moving object traction system can simulate driving conditions of roads where pedestrians of different ages (adults and children), different stature, different genders and the like walk; all test work in automobile active safety technology aspects can be completed in an assisting manner, reliability and flexibility are realized, automobile active safety technology related products pass tests and verification for similar auxiliary test equipment, correction and reconstruction are continuously carried out, and therefore reliability and practicality of automobile active safety technology products can be improved.

Description

Low speed moves object trailer system

Technical field

The present invention relates to automobile active safety technical field, particularly relate to a kind of low speed and move object trailer system.

Background technology

How improving the safe practice of automobile is the very important problem of current automobile production manufacturer, automotive safety technology To be divided into two classes, a class be passive security technology, and after i.e. vehicle accident occurs, automobile itself alleviates personnel's injury or loss of goods Ability, common measure is exactly seat belt, air bag, the also corrective measure of body construction；Another kind of is the rapidest The active safety technologies of development, is preventing car and has an accident, it is to avoid the safe design that personnel come to harm and take, as AEB (automatic emergency brake system), LDWS (driveway deviation alarming system) etc. are active safety designs, and their feature is to the greatest extent Possible Accident prevention occurs.

The development of automobile active safety technology be unable to do without necessary test equipment.Design and manufacture and meet automobile active safety The test equipment that technical testing requires, improves testing level, it is ensured that data or the reliability of result and accuracy, can be automobile primary The exploitation of dynamic safe practice and improvement provide important reference frame.

Summary of the invention

It is an object of the present invention to provide a kind of low speed and move object trailer system, it is possible to simulation all ages and classes (becomes People, child), the driving cycle that jaywalks of stature, the pedestrian such as sex.

The invention provides a kind of low speed and move object trailer system, this system includes:

Target dummy, steel wire rope and traction track；

Control display unit, be used for receiving control setup parameter and send to control unit and display control setup parameter and Running status；

The control unit communicated with described control unit, for setting according to the control received from described control display unit State modulator driver element；

The driver element communicated with described control unit, transports for the control instruction drive stepping motor according to control unit Turn；

The motor communicated with described driver element, for dragging described target dummy described by described steel wire rope Run on traction track.

Further, in said system, including a lithium battery power supply unit being connected with described control unit.

Further, in said system, also include the electricity being connected respectively with described control unit and lithium battery power supply unit Pond electrical quantity sensor, for gathering the electricity of described lithium battery power supply unit, voltage and current and feeding back to described control unit.

Further, in said system, described control setup parameter includes starting, stops, advancing, retreats, speed sets And model selection, described running status includes the electricity of lithium battery power supply unit, the speed of motor and operation, stopping and event Barrier instruction.

Further, in said system, described control unit, it is additionally operable to record object dummy on described traction track Operation conditions.

Further, in said system, described control display unit also include being connected with described control unit normally opened and Normally-closed contact, is sent to control unit by emergent stop signal during described normally opened contact Guan Bi, and described normally-closed contact is connected on described step On the contactor coil of the major loop entering motor.

Further, in said system, also including the external trigger unit being connected with described control unit, described outside is touched Bill unit is arranged in the course of test vehicle.

Further, in said system, described external trigger unit secondary triggers effectively.

Further, in said system, also include position sensor and the velocity sensor being connected with described motor, Described position sensor is used for gathering the displacement data of described motor and feeding back to described control unit, described velocity pick-up Device is for gathering the speed of service of described motor and feeding back to described control unit.

Further, in said system, also include the position limitation protection unit being connected with described control unit, described spacing guarantor Protect unit and be arranged on the both sides of traction track.

Further, in said system, described traction track is spliced by multiple segmented tracks, on each segmented tracks It is provided with

The splicing junction point interconnected between segmented tracks；

The anchor bolt installation hole fixing with ground；

It is positioned at the gathering sill in the middle of described segmented tracks.

Further, in said system, the dual-side of each segmented tracks is domatic, and described steel wire rope is positioned at described guiding In groove.

Further, in said system, also including a traction base plate, described target dummy is by the installation on traction base plate Pin is fixed on traction base plate, is provided with directive wheel in the middle of the bottom of described traction base plate, and described directive wheel embeds described guiding In groove, angle, four, the bottom of described traction base plate is provided with 4 balls.

Compared with prior art, the present invention, during automobile active safety engineering test, can simulate all ages and classes and (become People, child), stature, driving cycle on the pedestrian way such as sex, assisted every test of automobile active safety technical elements Work, the most flexibly, automobile active safety technology Related product, by the test of similar ancillary test equipment, checking, constantly enters Row correction, transformation, thus improve the dependable with function of automobile active safety technical products.

Accompanying drawing explanation

By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the present invention Feature, purpose and advantage will become more apparent upon:

Fig. 1 is the structure chart that low speed according to a preferred embodiment of the present invention moves object trailer system；

Fig. 2 is the control display unit that low speed according to a preferred embodiment of the present invention moves object trailer system Figure；

Fig. 3 is the use schematic diagram that low speed according to a preferred embodiment of the present invention moves object trailer system；

Fig. 4 is that the low speed of the above preferred embodiment according to the present invention moves the control unit of object trailer system and prints Plate circuit diagram；

Fig. 5 is that the low speed of the above preferred embodiment according to the present invention moves connecing of the driver element of object trailer system Line end subgraph；

Fig. 6 is the motor figure that the low speed of the above preferred embodiment according to the present invention moves object trailer system；

Fig. 7 is the external trigger unit that the low speed of the above preferred embodiment according to the present invention moves object trailer system Structure chart；

Fig. 8 is the control display unit that the low speed of the above preferred embodiment according to the present invention moves object trailer system Control chamber figure；

Fig. 9 a is the traction track knot that the low speed of the above preferred embodiment according to the present invention moves object trailer system Composition；

Fig. 9 b is that the low speed of the above preferred embodiment according to the present invention moves the traction track of object trailer system and cuts Face figure；

Figure 10 is the target dummy that the low speed of the above preferred embodiment according to the present invention moves object trailer system Mounting base structure chart；

Figure 11 is the target dummy peace that the low speed of the above preferred embodiment according to the present invention moves object trailer system Dress figure；

Figure 12 is the lithium battery power supply that the low speed of the above preferred embodiment according to the present invention moves object trailer system Unit figure；

Figure 13 is the position limitation protection list that the low speed of the above preferred embodiment according to the present invention moves object trailer system Unit's figure.

In accompanying drawing, same or analogous reference represents same or analogous parts.

Detailed description of the invention

Below in conjunction with the accompanying drawings the present invention is described in further detail.

In one typical configuration of the application, terminal, the equipment of service network and trusted party all include one or more Processor (CPU), input/output interface, network interface and internal memory.

Internal memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/or The forms such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium Example.

Computer-readable medium includes that removable media permanent and non-permanent, removable and non-can be by any method Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves State random access memory (DRAM), other kinds of random access memory (RAM), read only memory (ROM), electric erasable Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory (CD-ROM), Digital versatile disc (DVD) or other optical storage, magnetic cassette tape, magnetic disk storage or other magnetic storage apparatus or Any other non-transmission medium, can be used for the information that storage can be accessed by a computing device.According to defining herein, computer Computer-readable recording medium does not include non-temporary computer readable media (transitory media), such as data signal and the carrier wave of modulation.

As it is shown in figure 1, whole low speed moves object trailer system includes control unit 1, driver element 2, step Enter motor 3, lithium battery power supply unit 5, and control display unit 6, external trigger unit 7, position limitation protection unit 8, Traction base plate, target dummy 9, steel wire rope 10, mounting bracket and traction track 11 etc..Fig. 2 is the boundary controlling display unit in Fig. 1 Face schematic diagram, control display unit include that the electricity of lithium battery power supply unit shows, speed shows and starts, stopping, advancing, after Move back, speed setting, parameter confirmation, model selection, scram button, also include operation, stopping, indicating fault etc..Native system is reliable Flexibly, function complies fully with automobile active safety engineering test relevant laws and regulations, it is possible to be used in automobile actively peace reliably, flexibly In the testing experiment that full technology is relevant.The introduction of the operation principle carrying out whole system that sees figures.1.and.2, specific as follows:

Starting whole system by controlling the start button on display unit 6, start button is band lamp locking press button, presses Start button whole system powers on entrance duty.Concrete, described control unit includes high-performance ARM single-chip microcomputer and periphery Circuit, design of integer electro-circuit is reliable, and uses c language coding, and described control unit is held according to test requirements document pre-set programs Row relevant action.The design of control unit is carried out fully according to the required condition of test, and debugging is convenient.As shown in Figure 4, ARM monolithic Machine 505 is described control unit kernel control chip.This single-chip microcomputer is STM32F series A RM chip, fast response time, I/O interface Abundant, multi-channel PWM exports, and carries multi-channel A/D, of many uses, low price.Described powerful STM32F series A RM chip The rational peripheral circuit of matching design, such as data acquisition circuit, band light-coupled isolation PWM output circuit, display output circuit, reliable Power circuits etc., have played very big effect in the system, and control unit has a PWM output interface 502, and this circuit is simple Reliable and with insulation blocking function, PWM interface is connected to driving of the interface 601 of the driver element described in Fig. 5, i.e. motor The Pulse Width Control interface of moving cell, it is achieved the accurate control of the displacement model of system, velocity mode or mixed model, especially exists In this test, rate request is stricter, it is desirable to the speed of system close to the speed of travel on true man road, reach from 1km/h to 15km/h adjustable high precision experimental condition.In Fig. 4,503 is the motor feedback data interface of control unit, and key data is Velocity feedback, in controlling in real time, although be motor, but makes every effort to control accurately, still to have added closed loop feedback, and software is real Time PID speed regulation, control accuracy real-time on the basis of requiring device accuracy guarantee is greatly improved.In Fig. 4,506 are The triggering signal input interface of control unit, this triggering signal is simple and reliable, utilizes the TM32F series A RM described in 505 in Fig. 4 Chip exterior interrupt function, improve receive signal, process signal speed, control unit triggers interface automatically, this trigger be Carrying out under automatic mode, when test parameters, setting completed, and model selection is automatic mode, triggers signal effective, and system will be by Automatically operate according to test setting；In Fig. 4,504 is battery electric quantity acquisition interface, gathers current electric power system battery condition, goes out Existing electricity shortage sends alarm or prompting in time to control unit, the position feedback interface 507 of control unit be position be spacing The warning input interface of the extreme position of protected location, during regular event, the position of action is carried out according to software design patterns, for Guarantee system disorders, work shakiness, cause the drawing-in motion to stop, needing to increase in traction track both sides position limitation protection list Unit i.e. limit switch, prevents the equipment position that reaches capacity from can not stop causing damage.The display output interface 501 of control unit with Described control display unit connects, and can show the situation etc. of the velocity amplitude of traction, electric power system in real time.Said control unit sets Counting rational in infrastructure, the overall strong interference immunity of hardware, software configuration meets control strategy, easy for installation, interface flexible.

Control the control panel of display unit 6 as shown in Figure 8, including electric control starting button 908,910,911,912 and institute State control unit to be connected, can in a manual mode described system be controlled, scram button, when urgent feelings occurs in equipment Condition, takes scram button equipment and can stop action, prevents unexpected generation, improves safety operation.Device rate load button 903 The speed data of input is exactly the automobile active safety engineering test requirement speed to pedestrian, and the analog rate of test requirements document sets After be saved in the control unit of described system, equipment current electric quantity display module 906, control unit described in real-time reception is sent Data also show, high-visible, and final hauling speed display module 907 is connected with control unit, real-time reception control unit The speed data sent line speed of going forward side by side shows, shown velocity error is little, and precision is high.Equipment operating mode switching push button 909 Pattern is divided into manual mode and automatic mode, can be with the operational mode of system described in any switching laws.Equipment operation display lamp 900,901,902, may determine that, by display lamp, the state that middle equipment runs, from the point of view of entirety, the control panel cloth of described system Office is rationally, simple to operate understandable, it is possible to the action control of good completion system and management.

Described driver element is the driver element of motor, with motor accurate match, it is achieved the accurate control of action System.Driver element dependable performance, load capacity is strong, and with various defencive functions, it is ensured that motor is at safe and reliable shape Carrying out under state, described driver element and motor are same brand type, and described driver element has multiple segmentation and arranges, wide Voltage inputs, and exports current adjustment, and full doube bridge MOSFET drives, low on-resistance, and oneself power consumption is low, and caloric value is little, drives electricity Machine noise is low, and volume is light and handy, as it is shown in figure 5, the encoding setting 600 of driver element arranges driving list by different coded combinations The output umber of pulse that unit is corresponding, the input 601 of position control signal receives the program command of described control unit and walks described in Fig. 6 Entering motor effectively to drive, the motor ruuning situation described in Fig. 6 is carried out Real-time Feedback by the interface 602 in Fig. 5 simultaneously To control unit, form closed loop control with motor, and the duty of self and motor is fed back to described control in time Unit, it is achieved the accuracy that PID real-time speed regulating, PWM control, is to ensure that the key that test data is correct.Shown in Fig. 5, stepping electricity The supply input of the driving power interface 603 of machine includes lithium battery power supply unit, Width funtion from the electric power system of described system Input.Shown in Fig. 5, the mounting means 604 of driver element, simple and reliable, it is simple to keep in repair and debug.Described driver element simply may be used Leaning on, easy for installation, wiring is simple, and output voltage coincide with described electric power system, middle without adding various converting system, with institute Belong to control unit, performer, electric power system perfect cooperation, the reliable and stable driving effect realizing performer.

The executive component critical piece high accuracy motor 703 of native system, described executive component is installed simple and reliable, whole Set installing component includes mounting bracket 701,702, mounting seat 700, steel wire rope rotating hub 706, built-in bearing 705, high accuracy step Entering motor 703 and use horizontal mounting means, motor 703 main shaft and mounting bracket 701, steel wire rope wheel hub 706 is coaxially connected, Carrying out action according to test requirements document under control unit control, mounting bracket substructure height is adjustable, it is adaptable to different road surface peaces Dress, coaxially connected plate is the most adjustable, it is ensured that electrical installation is correct, prevents motor from installing deformation and brings hidden danger；Steel wire Rope rotating hub 706 uses 6062 aluminium section bar CNC to process, the most durable, during the folding and unfolding of steel wire rope, for preventing steel wire rope Unclamping comes off increases the constraint groove devising rotating hub, and steel wire rope rotating hub increases constraint cover plate 707.It is ring in the open in view of system Using under border, executive component uses closes isolation, additional isolation cover, prevents dust, and foreign material adulterate during using, Affect the properly functioning of executive component mechanism.The contral ripening of described motor and simple, motor provides as one The advantage of the actuator of power, it is clear that range of application is quite varied, just arranges in pairs or groups corresponding driver element and control unit The accurate control of speed, position can be realized, it is contemplated that the traction situation of native system, select motor relatively more reasonable, such as Fig. 6 Shown in, selected motor body small size, high pulling torque, fully calculating under the parameters such as system friction system, the motor of selection Fully meet target dummy and the traction of base plate of different quality, meet the target dummy of different quality and base plate friction speed Control.Shown in Fig. 6, the mounting bracket 700 of motor, including floor and connecting mechanism for motor, floor is with bolts such as Shown in Fig. 6 704, lay mode simple and reliable；Shown in Fig. 6, motor 703 is with motor mounting plate 705, motor rotating hub 706 even Fishplate bar is coaxially connected, and for ensureing to connect the correct zero deflection in axle center, sleeve mechanism uses CNC processing and fabricating to form, motor 703 Under the control, drive unit drives of control unit, carrying out action according to test requirements document, bearing band is passed through in the rotating shaft of motor Galvanic electricity machine rotating hub 706 rotates, and motor rotating hub 706 acts on steel wire rope and carries out testing drawing-in motion, the executive component peace shown in Fig. 6 Dress simplicity, controls reliable, fully meets the control requirement of each data such as the speed of test requirements document, position.

As it is shown in figure 9, traction track is 6062 aluminium section bar CNC machine processing, the most durable, use sectionally smooth join side simultaneously Formula, every section of traction track is provided with sectionally smooth join junction point 10000, splices with bolts, simple and reliable, uses simultaneously and divides The advantage of section splicing design is readily transported installation, improves the motility of parts collocation, especially can be according to examination when track installation Test width of roadway and carry out splicing installation, it is achieved from small to large, from being too narrow to wide splicing extension, expand the model being suitable for width of roadway Enclose, mounting means employing foundation bolt, anchor bolt installation hole 10002, simple and reliable, it is not necessary to complicated installation steps.Lead Being provided with gathering sill 10001 in the middle of approach rail road, gathering sill is the gathering sill of traction apparatus, it is ensured that base plate dummy's device can be according to Test requirements document walking straight line, another effect of gathering sill 10001 is exactly to hide steel wire rope, and steel wire rope is completely embedded in gathering sill, Will not be rolled by test vehicle in process of the test and bring damage, traction track dual-side is domatic 10004 simultaneously, and this design is protected Therefore card vehicle also will not be rolled by steel wire rope or destroy traction track while can normally driving through.Described traction rail Road overall structure is simple, splicing is flexible, easy installation and removal, and can not only meet will to the flexible requirements of hauling distance in test Ask, also there is the highest reliability, safety.

Described target dummy is arranged on traction base plate, and as shown in Figure 10, described traction base plate still uses 6062 aluminium profiles Material CNC machine is processed, in traction base plate straight-line guidance wheel 11007 embedding gathering sill 10001, it is ensured that according to test during drawing-in motion Requiring that linear running, without deviating from track, is wire-rope connecting device 11003 before and after directive wheel, this system is by device traction steel wire Rope with draw that base plate is ingenious is connected, by executive component drawing-in motion.In the case of guaranteeing intensity, traction backplate surface digs Hole, can remove excess mass as far as possible, reduces traction dynamics, and base plate corner is provided with 4 balls 11004 simultaneously, when reducing traction The coefficient of friction brought, thus required torque when reducing motor traction, reduce the output work of described motor simultaneously Rate.By the mounting pin 11002 of dummy, required dummy can be inserted directly into mounting pin, just can test, be substantially reduced replacing The time of test objective thing.Traction base plate both sides use slope to design equally, it is ensured that while vehicle can normally drive through Also will not therefore be pressed onto or destroy traction base plate.Described traction base plate mates with traction track design, and it is suitable to install, can not only Meet test requirements document, also there is the highest reliability, safety.

Described target dummy includes different age, the dummy model of sex, and described dummy model is installed, convenient disassembly, Requiring to be replaced installing according to test objective dummy at any time, as shown in figure 11, target dummy 12000 is arranged on traction base plate On 12003, carry out test action by rope traction on traction track 12001, because the target dummy of test requirements document is permissible Be child, grow up, it requires target dummy can dismounting and change timely, meet different test requirements documents, target dummy is led to The mounting pin 12002 crossing traction base plate 12003 is installed, and integral installation is convenient, changes simple.Mounting pin length dimension designs Rationally, target dummy installs and is not easy occur that inclination is waved, it is ensured that test simulation true man's road conditions are reliable and secure.

Described system also includes that a series of sensor element, described sensor element include position, speed, battery electric quantity etc. Information feedback element, in course of action, Real-time Feedback gives described control unit, carries out action control rapidly and accurately, it is ensured that number According to correct reliable.Position, velocity sensor mainly gather data when motor runs, position sensor i.e. laser displacement Sensor, this laser displacement sensor fast response time, resolution is high, has the highest certainty of measurement, and error is positive and negative 10mm, It is in operation and measures the location status of dummy's device in real time, and displacement data is changed into the analog quantity of the 4----20mA of correspondence Being sent to control unit, velocity sensor is the speed measuring coder of high accuracy 1024 lines, is arranged in the rotating shaft of motor, Motor is in rotation process, and the tach signal of motor is changed into into the pulse letter of corresponding certain frequency by speed measuring coder Number being sent to described control unit, displacement, velocity sensor are sent to the signal of described control unit and are formed in control structure Desired value needed for closed loop control, feedback data that control unit Real-time Collection sensor is sent binding tests compares meter Calculate, improve the accuracy and stability controlled；Battery charge sensor is built-in in lithium battery power supply unit carrying out electricity inspection Surveying, the 0--5V analogue signal that the charge condition of current lithium battery power supply unit changes into correspondence in real time sends control list Unit, tells the service conditions such as control unit current lithium battery power supply unit electricity, voltage, electric current.A series of sensor element roots Carry out the collection feedback of real data according to running situation, improve accuracy and the stability of system.

Described lithium battery power supply unit 5 can make the test site that the system of the present invention is applicable to lack civil power, at automobile Active safety technologies testing experiment is it is difficult to ensure that test site can provide civil power, and some test equipment are led because of electrical problem Cause using area to be limited to, or only can be used on the place of civil power, in order to solve the problem of " power shortage ", the present invention System can depart from civil power completely and carry out correlation test, be equipped with high-performance lithium battery power supply unit, such as Figure 12, reduce described System use during requirement to test site electricity consumption, it is achieved described system can be placed on any test site not having civil power Ground, described system is equipped with high performance lithium battery power supply unit, and as shown in figure 12, lithium battery capacity is calculated by institute's bringing onto load System at least can be maintained 2 hours to run, lithium battery group 14000 stable performance, with various protections and feedback, lithium battery group Output interface 14001 connector is simple to operate, the charging inlet 14002 of lithium battery group, built-in charge protection, the number of lithium battery group According to feedback interface 14003, current power supply situation can be fed back to the control unit of described system in time, it is achieved electric power system The real-time monitoring of situation.On the whole, carrying out data exchange with described control unit, control unit is calculated and be shown in real time to be worked as Before power supply situation, if occurring that electricity is not enough or the state such as battery undervoltage, control unit is reported to the police output at once, and prompting stops testing And take to change the measure such as battery, battery charging.System battery electric power detection, display schematic diagram, simple in construction, clear data, Be easy to testing crew and understand current trystate and operation, described electric power system convenient disassembly, can at any time because electricity not Foot and test and need to proceed battery altering, alternately change with the lithium battery being equipped with, meet the time of test duration, meet institute State the requirement of system electricity consumption flexibility and reliability.

The frame for movement of invention includes motor installing mechanism, steel wire rope jack, dummy's mounting base, traction rail Roads etc., rationally, reliably, matched combined is suitable for different test scenes to Design of Mechanical Structure.Master-plan of the present invention is exquisite, meets Test requirements document, it is easily installed dismounting, is hardly damaged.

Native system also includes the position limitation protection unit being connected with described control unit, and described position limitation protection unit is arranged on and leads The both sides in approach rail road, a described position limitation protection cellular construction is simple, stable performance, can the most anti-locking system due to self be System disorder, causes the problem that traction stops position limitation protection incessantly.As shown in figure 13, position limitation protection unit 15000 is highly sensitive Degree limit switch, is arranged on traction track 15001 both sides, and for preventing system disorders, traction stops the maximum position limit do not got off Position protection, the protection to described system brings positive role, and the effectively protection reaching self could be avoided damaging in test is unexpected Bad, application reliably is in test.

The mode of operation of system is divided into two kinds, and one is MANUAL CONTROL mode, and one is automatically to trigger control model, manually Pattern and automatic mode can switch at any time by controlling the mode selecting button on display unit.Automatic mode is with manual The switching of pattern has only to rotate 909 mode conversion switch shown in Fig. 8, and manual mode is then by control panel shown in Fig. 8 Corresponding control knob operates, the non-automatic control efficiently accomplishing system simple to operate under manual mode, Non-follow control Can simultaneously serve as equipment trail run operation after mounting, in order to detect all parts, whether mounting and adjusting puts in place；Automatically control Molding formula is simple and reliable, and required test operation control program is write in control program the most as requested, is automatically controlling mould Under formula, relevant test parameters setting completed errorless after, remaining work is just given described control unit and is entered according to test requirements document Row action control, it is to avoid the mistake that artificial operation brings, automatic mode uses the external trigger unit described in Fig. 7 to carry out outside Triggering, outer triggering signal arrives, and system will be run automatically, it is not necessary to manual operation, automatic mode advantages of simple is set, symbol Closing test requirements document, Fig. 7 is then described external trigger unit, and this system is to switch through commonly used banding in vehicle impact testing 800, simple in construction is durable, improves the reliable trigger of test.Both of which is reliable and secure, the most satisfied during control Test requirements document.

MANUAL CONTROL mode needs to be screwed on Non-follow control mode selecting button, when pattern is set to Non-follow control mould Formula, control unit detects that current mode control button is screwed into MANUAL CONTROL mode, and the software program of control unit can redirect In corresponding Non-follow control flow process, the mode of operation of Non-follow control is mainly by controlling on the control panel of display unit Each operation button carries out Non-follow control, first installs target dummy needed for test to traction base plate, as in figure 2 it is shown, Also needing to set the target speed value needed for test by the speed setting knob on control panel, unit is kM/h, and speed sets Putting knob is analog signal output, and this analogue signal inputs to control unit, and control unit picking rate arranges the simulation of knob The target speed value that amount is corresponding, the pwm pulse that this target speed value is obtained needed for motor works by algorithm controls again is believed Number, required target speed value is sent to control display unit simultaneously and carries out showing to feed back to what testing crew was currently needed for Target speed value, testing crew confirms that current target velocity carries out bottom operation after errorless, and MANUAL CONTROL mode can also be joined Corresponding with test vehicle test, need testing crew to be shown by control according to actual test case under MANUAL CONTROL mode The guidance panel of unit carries out corresponding measure, needs system forward motion, push when test vehicle sails Position Approximate into " advance " button on panel, control unit receives " advance " signal that testing crew is pressed, and control unit is according to setting before The good target speed value put, sends driver element by pwm pulse signal and the DIR direction signal of its correspondence, and driver element connects Receiving control unit to send DIR direction of advance control signal and pwm pulse signal and carry out the control of motor, motor connects The signal that drives receiving driver element carries out action according to the target velocity that test is arranged, and the now action output of motor needs Test participant be controlled, and presses " advance " button, and motor rotates forward haulage cable, steel wire rope drag target dummy Running on traction track, control unit output operating state signal drives the " RUN " display lamp on control panel to light, when This time instruction carriage off-test, and steel wire rope drags dummy's device and drives to certain position and need halt system to run, operates Personnel unclamp " advance " button on control panel, and control unit detects " advance " invalidating signal, exports STOP at once Stopping signal is to driver element, and driver element receives ceasing and desisting order of control unit, stops output at once, and motor loses The driving of driver element stops operating, and dummy stops at once, and control unit sends the values for actual speed and current stopping advanced State is to the display on control panel and display lamp, and the display on control panel receives the actual speed that control unit sends Velocity amplitude is shown by angle value signal, and " stopping " status indicator lamp on control panel receives the stopping of control unit simultaneously Signal and light, simultaneously control unit will the target dummy of record this time test operation conditions on described traction track, as Related data is with " date Hour Minute Second--pattern--target dummy (grow up/child)--target velocity--actual speed--target Direction--displacement of targets--actual displacement " preserve.When the driving of motor is controlled by " advance " state, control unit considers To the operation characteristic of motor, appropriate design program software, it is achieved the soft start that motor moment starts controls, start up curve smooths, It is prevented effectively from motor moment startup stall phenomenon, is prevented effectively from the startup of motor moment and produces overcurrent and voltage pulsation, to each The protection of parts and lithium battery power supply unit serves positive effect；

Off-test every time, needs the position of target dummy is recovered initial position, to prepare test next time, operator Pressing " retrogressing " button, control unit receives " retrogressing " signal that operator press, by the pwm pulse signal of its correspondence and DIR direction of retreat signal is sent to driver element, driver element according to receive control unit send DIR direction control signal and Pwm pulse signal, is controlled motor, and motor receives the mesh driving signal to arrange of driver element according to test Mark speed carries out action, and control unit output operating state signal, to controlling display unit, drives the control controlling display unit " RUN " display lamp on panel lights, and the now action output of motor needs to test participant and is controlled, operation Personnel drive to certain position according to steel wire rope drag target dummy needs halt system to unclamp " retrogressing " button when running, and controls Unit detects " retrogressing " invalidating signal, and output STOP stopping signal is to driver element at once, and it is single that driver element receives control Unit ceases and desist order, and stops output at once, and motor loses the driving of driver element and stops operating, and target dummy stop at once Only, control unit sends the values for actual speed and current halted state retreated to the display on control panel and display lamp, It will be that the velocity amplitude that continues shows, simultaneously that display on control panel receives the actual speed value signal that control unit sends " stopping " status indicator lamp on control panel receives the stopping signal of control unit and lights, and control unit is by record simultaneously This time target dummy of test operation conditions on described traction track, if related data is with " date Hour Minute Second--mould Formula--target dummy (grow up/child)--target velocity--actual speed--target direction--displacement of targets--actual displacement " protect Leave.When the driving of motor is controlled by " retrogressing " state, control unit is in view of the operation characteristic of motor, appropriate design journey Sequence software, it is achieved the soft start that motor moment starts controls, start up curve smooths, and is prevented effectively from motor moment startup stall existing As, it is prevented effectively from the startup of motor moment and produces overcurrent and voltage pulsation, to all parts and the protection of lithium battery power supply unit Serve positive effect.

Under MANUAL CONTROL mode, either advance or retreat, when occurring that operational error or the system failure cause dummy Device can not stop, and this kind of situation can take " jerk " the mushroom head button on control panel, emergency stop button switch bag Including a normally opened NO and normally closed NC contact, emergent stop signal is sent to control unit by the normally opened NO closing of contact of " jerk " button, control Unit processed receives the emergent stop signal of scram button and exports STOP order at once to driver element, and output fault-signal gives control simultaneously Malfunction indicator lamp on panel processed so that it is light display fault or the state of emergency, drive unit drives output stops, motor Lose driving and stop；The normally closed NC contact of synchronization " jerk " button disconnects, and connects on circuit connects in normally closed NC contact On the contactor coil of motor major loop, normally-closed contact NC disconnects, and makes motor point by the way of machinery disconnects Hitting major loop open circuit, motor dead electricity decommissions.

Automatic control mode is the pattern that native system is conventional, starts whole system by the start button on control panel, Start button is band lamp locking press button, presses start button whole system and powers on entrance duty.Automatic control mode needs Mode selecting button is screwed into and automatically controls, when pattern is set to automatic control mode, and control unit detects current mould Formula control knob is screwed into automatic control mode, and software program can jump in corresponding Non-follow control flow process, the work automatically controlled Operation mode is mainly automatically controlled by the touch-screen display on control panel, obtains target needed for first installing test Dummy is to drawing on base plate, and such as Figure 10, external trigger unit is placed on the correct position in the course of test vehicle, passes through On control panel by touch-screen display set test needed for target dummy, target speed value (kM/h), displacement of targets (m), the direction of motion, the dummy's type column on touch-screen display is chosen as the types such as adult or child, arranges in speed Target speed value needed for Selection experiment in hurdle, selects the shift value needed for target, shift value maximum in displacement arranges hurdle Not can exceed that the maximum of travel switch or limit switch, otherwise there will be and cannot arrange, errorless rear point touching screen display is set Showing the confirming button of device, the parameters such as touch-screen display can be by, target speed value (kM/h), displacement of targets (m), the direction of motion are led to Crossing 232 communication interfaces and input to control unit, control unit receives the target speed value (kM/h) that touch-screen display sends, Displacement of targets (m) direction of motion, goes out, by computed in software, the pwm signal that target speed value (kM/h) is corresponding, and displacement of targets (m) is right Answer pwm pulse quantity, the DIR direction signal that the direction of motion is corresponding, exercise certain position when test vehicle and be rolled by outside touching Bill unit, external trigger unit reacts rapidly to export to touch and signals to control unit, and control unit is according to target setting before Value, i.e. control unit receive the target speed value (kM/h) that touch-screen display sends, displacement of targets (m) direction of motion, lead to Cross computed in software and go out the pwm signal that target speed value (kM/h) is corresponding, the corresponding pwm pulse quantity of displacement of targets (m), the direction of motion Corresponding DIR direction signal, these signals are sent to driver element, and driver element receives each control that control unit is sent Motor is control effectively by information, and motor is carried out according to the test objective value arranged under the driving of driver element Action, haulage cable, drive dummy's device according to the speed of test requirements document, displacement etc. carries out real work, controls list simultaneously Unit's transmission " RUN " signal is to the run indicator on panel, and the run indicator on panel receives what control unit sent Run signal and light prompting and be in running status, when the working value of target dummy reaches test requirements document, control unit can detect Sending to whole release and cease and desist order to driver element, driver element is closed and is driven, and motor stops, control unit meeting By actual velocity amplitude (kM/h), the touch-screen display that actual displacement (m) etc. is sent on control panel, touch screen shows Receiving the actual speed velocity amplitude (kM/h) that control unit sends, actual displacement value (m) shows, control unit will simultaneously With " date Hour Minute Second--pattern--target dummy (grow up/child)--target velocity--actual speed--target direction--mesh Marker displacement--actual displacement " form by test relevant data preserve, simultaneously control unit send "signal for " stop " to face Run indicator on plate, the run indicator on panel receives the run signal of control unit transmission and lights at prompting In halted state.

Described system also includes the external trigger unit being connected with described control unit, and described external trigger unit is arranged at In the course of test vehicle, external trigger cellular construction is simple, stable performance, it is provided that test trigger condition, in fortune automatically Under row mode, after test relative parameters setting is correct, action can be carried out by external trigger unit voluntarily.As shown in Figure 7.Outside described Portion's trigger element is described system triggering switch in automatic mode, triggers switch and selects conventional in vehicle impact testing triggering Band, simple in construction, service life is long, also allows for changing, invalid under manual mode, and described external trigger unit is connected to control list Unit's signal input part 801 or 802, triggers and uses secondary to trigger effectively, be prevented effectively from the generation of false triggering, and external trigger unit selects With triggering band 800 conventional in passive security impact test, simple and reliable, put by adjusting the different preventing stop bit triggering band, suitable Answer the test vehicle of friction speed, the most simply.

Target dummy now has been drawn to relevant position, and on the display screen of click control display unit, " reset is pressed Button ", reset signal is sent to control unit with 232 communication ports by touch screen, and control unit receives the reset that touch screen sends Signal, negates DIR direction, and pwm signal corresponding for DIR direction signal fixed speed of the inverted is sent to driver element, Driver element receives the DIR direction pwm signal drive stepping motor that control unit sends, and motor receives driver element The driving signal sent, motor point rotates with certain speed in a reverse direction, and haulage cable drags dummy's device Returning to initial position and prepare test next time, control unit sends " RUN " signal to the run indicator on panel, face simultaneously Run indicator on plate receives the run signal of control unit transmission and lights prompting and be in running status, when returning to After initial position stops, control unit sends "signal for " stop " to the run indicator on panel, the run indicator on panel Receive the run signal of control unit transmission and light prompting and be in halted state.

Automatic control mode is entirely a kind of control model of autonomous action, after setting test parameters, the most outer portion Trigger element just can carry out testing required target, and same control unit is in view of the fortune of motor in automatic mode Row characteristic, appropriate design program software, it is achieved the soft start that motor moment starts controls, start up curve smooths, and effectively keeps away Exempting from motor moment starts stall phenomenon, is prevented effectively from motor moment and starts and produce overcurrent and voltage pulsation, to all parts and The protection of lithium battery power supply unit serves positive effect.Under automatic control mode, either advance or retreat, when going out Showing operational error or the system failure causes target dummy not stop, this kind of situation can take " the urgency on control panel Stop " mushroom head button, emergency stop button switch includes a normally opened NO and normally closed NC contact, the normally opened NO closing of contact of " jerk " button Emergent stop signal is sent to control unit, and control unit receives the emergent stop signal of scram button and exports STOP order at once to driving Moving cell, output fault-signal is to the malfunction indicator lamp on control panel simultaneously so that it is lights display fault or the state of emergency, drives Moving cell drives output to stop, and motor loses driving and stops；The normally closed NC contact of synchronization " jerk " button disconnects, Normally closed NC is that on the contactor coil of series connection motor major loop, normally-closed contact NC disconnects, by machinery on circuit connects The mode disconnected makes motor click on major loop open circuit, and motor dead electricity decommissions.

It is noted that the system of the present invention also includes an Anti-interference Design, wherein at the power supply of Inspection and monitoring system Line leading-in end adds power circuit wave filter, the noise of suppression power supply, increases Phototube Coupling in On-off signal output channel Device is to remove the scene interference impact on described control system, and the associated appliance parts of outfit self are with various protections, simultaneously Carry out in strict accordance with relevant rule in wiring in circuit design, avoid the unstable factor that design deficiency is brought to the full extent. Rationally, reliably, overall mechanical part design is simple, durable, and overall system performance is stable, reliable in action, number for design of integer electro-circuit According to controlling accurately, it is impossible to functionally meet the test request that automobile active safety technology is relevant, and the price of whole system Cost is relatively low, has good market prospect, brings good economic benefit.

In sum, the present invention provides a kind of system, and during automobile active safety engineering test, this system can be with mould Intend the driving cycle on the pedestrian ways such as all ages and classes (adult, child), stature, sex, before being implemented as test, according to test Require to prepare to meet target pedestrian's device of this test requirements document, such as human target dummy, target pedestrian's device is passed through The simple mounting pin of mechanism 12002 shown in Figure 11 is inserted installation and can be realized, as target pedestrian need to be changed, and current target dummy For adult, only present adult dummy directly need to be extracted from the mounting pin 12002 shown in Figure 11, replace to the mesh needing to change Mark pedestrian；This low speed moves object trailer system can simulate the row such as all ages and classes (adult, child), stature, sex People jaywalks driving cycle, the most quickly walking operating mode or at a slow speed driving cycle, the traveling of friction speed at different rates Operating mode is to be performed the velocity interpolation of structure by control and regulation traction, and implementing step is, before test, by Fig. 2 control Display unit mode selecting button selects pattern, if in a manual mode, then the speed setting that Fig. 2 excessively controls in display unit is pressed Button carries out test objective velocity amplitude setting, and current target speed value is changed into the 0---5V of correspondence by target velocity settings button Analog input is to control unit, and control unit can be collected target velocity and be made a special trip to a certain place by computed in software for corresponding analog quantity Corresponding DIR direction control signal and corresponding pwm control signal, control unit by the DIR direction control signal that convert with Pwm signal corresponding to target velocity is sent to the driver element shown in Fig. 9, and driver element drives according to the control signal of control unit Dynamic motor as shown in Figure 6, motor receives the driving of driver element and operates, and haulage cable, steel wire rope drags Moving-target dummy carries out action according to the direction arranged, speed, thus realize this system simulation all ages and classes (adult, child), The pedestrian such as stature, sex friction speed driving cycle on the way, the most quickly walking operating mode or at a slow speed driving cycle, the most synchronized The driving cycle of degree is to realize in automatic mode, before concretely comprising the following steps test, controls display unit by Fig. 2 Mode selecting button selects automatic mode, under automatic mode, is controlled the test objective speed on display unit display screen by Fig. 2 Value arranges hurdle and carries out the setting of target velocity, and target travel direction arranges and arranges the direction of motion in hurdle, and displacement of targets is arranged in hurdle Selecting displacement of targets, click on the parameter ACK button that display is thought highly of, control panel can be by the target speed value set before, target fortune Dynamic direction, displacement of targets value are sent to control unit by 232 communication interfaces, and control unit receives mesh by 232 communication ports Mark velocity amplitude, target travel direction, displacement of targets value are by DIR direction control signal corresponding to computed in software special trip and correspondence Pwm control signal, control unit is by DIR direction corresponding to pwm signal corresponding for the target velocity that converted, target travel direction Control signal, target location value control signal is sent to the actuator driver element shown in Fig. 9, and driver element is single according to controlling The control signal of unit drives the motor shown in Fig. 6, and motor receives the driving of driver element and operates, traction steel wire Rope, steel wire rope drag target dummy carries out action according to the direction arranged, speed, thus realizes this system simulation all ages and classes Pedestrian's friction speed driving cycle on the way such as (adult, child), stature, sex, the most quickly walking operating mode or go at a slow speed Sail operating mode, it is achieved target pedestrian, the scene of target velocity test requirements document, the stability of validation test vehicle-mounted active safety equipment, Reliability, technology upgrading, structure of modification for Related product provide reference conditions and data.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, this low speed moves object trailer system and is not related to the parts of complexity, the installation group of mechanical part Become to need only to the convenient standard components bought such as corresponding screw bolt to be attached, perform installing of structure motor, According to required motor, machinery size design is installed and rational installing mechanism, use 4 bolts can will perform structure step Enter motor installation to put in place；Each mechanism's design size is suitable, light weight becomes, is readily transported, installs and dismantles, whole mechanical part Accomplish simple and flexible collocation, met in test and participate in just can using without too many personnel.Especially this low speed moves mesh Mark thing trailer system is installed simple, it is adaptable to different roads is installed, and concrete one meets the test roads of different in width, such as figure The traction track structure chart of system shown in 9, the critical piece traction track that test roads is installed, in system designs, single A length of 2 meters of track, whole traction track uses the mode of sectionally smooth join, according to the width of test roads, calculates and selects to need Quantity to be spliced, such as when road width is about 4 meters, selects two track splicings；When test roads is 8 meters, select 4 Root track splices.The road of track is installed and is used foundation bolt to install, simple and convenient, the road surface of test roads Ask the lowest.Global design is rationally simple, substantially increases the simplicity versatility that road is installed.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, it is brand motor coupling that this low speed moves the driver element of object trailer system employing Three-phase stepper motor driver element, as shown in Figure 6, the motor of system is brand motor, and motor is in industry control System is fairly common in using, and has especially played positive effect in the occasion that speed, position control need, at this stepping electricity Operation principle and the application of machine are not described in detail, and with reference to motor operation principle and application, use control in conjunction with native system Requirement processed, selects Japan's imported with original packaging brand three-phase stepper motor, supports the use step motor drive unit simultaneously, and this model walks Entering Motor torque big, the moment output that torque factor is required during fully meeting system acting, step angle error is high simultaneously, step Elongation is that motor is at speed, the very important technical parameter of position control, in the case of meeting torque factor, step angle The least more can guarantee that speed, the displacement accuracy that system motion can control, in conjunction with the step motor drive unit of coupling, hold concurrently Capacitive is guaranteed, and adds control unit and controls the conservative control of software and optimization, the driver element contained by this system and Motor, it is possible to high-precision degree type that the system that well ensure that performs and stability, the accurate execution for whole system is established Determine basis.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, this low speed moves object trailer system and can realize automatically triggering operation, intelligence compatibility test car Carry out correlation test requirement.Automatically trigger to run under system automatic mode, carry out action, control display by Fig. 2 single The mode selecting button of unit is chosen under automatic mode, and current mode signal is sent to control unit by mode selecting button, Control unit receives current automatic mode and arranges software program and enter under automatic mode, single by controlling at automatic mode The display of unit arranges the test parameters of test requirements document, such as target speed value, target travel direction, target location value etc., controls Current test parameters can be sent to control unit by 232 communication interfaces by the display on unit, and control unit receives Set relevant test data according to test requirements document, wait that instruction carriage has been placed on according to test requirements document before being rolled by and closing The trigger element that right position is put, trigger element is rolled, and triggering signal is sent to control unit at once, and control unit receives to be touched Bill unit sends the triggering signal of coming, and learns that test vehicle has reached correct position, will set according to test requirements document before Related data change into correspondence motion control signal be sent to driver element, receive driving of control unit control signal Moving cell starts drive stepping motor and carries out action, it is achieved that the external trigger function of process of the test, and compatibility test car tries Test.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, this low speed moves object trailer system and can realize manually running, manual operation compatibility test car , Non-follow control operates under MANUAL CONTROL mode, is first opened by the patten transformation controlled in display unit of Fig. 2 Pass is screwed under manual mode, and the signal of MANUAL CONTROL mode is sent to control unit, and control unit gathers present mode and switchs institute Position obtain current control model and be arranged to MANUAL CONTROL mode, control unit software program jumps to Non-follow control Under pattern, under MANUAL CONTROL mode, system can be controlled by control unit according to the software control procedure under manual mode, Such as, according to test requirements document, speed target value now is 5kM/h, by controlling the target velocity of the test on display unit It is 5kM/h that settings button arranges target speed value, the analogue signal Negotiation speed settings button of the 0-5V that target speed value is corresponding Being sent to control unit, control unit receives speed setting knob and sends the analog quantity that the target speed value come is corresponding, converts Reality is become to control to the pwm control signal needed for driver element, now by each operation button controlled on display unit i.e. Can carry out manually freely controlling, such as press " advance " button, progress signal is sent to master control clamp dog by forwarding button, controls single Unit receives forwarding button and sends the progress signal of coming, and changes into the direction DIR control signal of correspondence, target speed before adding Pwm signal corresponding to angle value is to driver element, and driver element receives driving signal that control unit sends and then drives stepping Motor action, motor haulage cable, steel wire rope drags attachment means and carries out drawing-in motion with 5kM/h target speed value, Now system will be with the speed forward motion of 5kM/h.Operator can be by controlling each button pair on display unit System is operated manually, it is achieved artificial operation compatibility test car.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, this low speed moves object trailer system and can access civil power in the experimental enviroment have civil power and make With, simultaneity factor itself carries electric power system, can test in the occasion without civil power, break away from the dependence to civil power. Realize carrying lithium battery power supply unit and must set up two groups of lithium batteries exactly containing the situation of civil power occasion without being limited in Power supply unit, this lithium battery power supply unit uses high-power high-efficiency lithium battery group, it is contemplated that the cruising time of this lithium battery is not Can be less than 2 hours, with reference to parameters such as current device institute bringing onto load power consumption, characteristics, it is contemplated that the load of system predominantly electricity The inductive loads such as machine, instant starting currents is big, and selected lithium battery discharge-rate is relatively big, fully meets load during electric motor starting Characteristic.Lithium battery group selects the 18650 lithium battery groups of Large Copacity 48V/50AH, and 18650 lithium battery groups are widely used, and battery core is more Reliable and secure, coordinate the protections such as corresponding electricity protection, such as overvoltage, under-voltage, mistake stream, be further added by corresponding data feedback, than Such as electric power detection, battery temperature detection etc., especially information about power is the most important, carries out tight and important test chamber, it is impossible to The unfavorable factors such as test failure are brought because system carries electric power system electricity shortage, so in the use process of whole system In, the control unit fact gathers the magnitude of voltage that electric power system is current, further according to the electric quantity curve that lithium battery voltage is corresponding, calculates The residual electric quantity of current system electric power system, the real-time current electricity of control unit is sent to Fig. 2 and controls display unit Battery capacity indication module, testing crew can understand the dump energy of current system by the numerical value that shows of electricity quantity display module to be passed through； When control unit detects the current powering quantity of system less than the lower limit setting value protection, and control unit can send warning in time Signal, the alarm lamp prompting test clerk on the control panel in Fig. 2 must stop test and be charged or lithium electricity The replacing of pond group.The characterisitic parameter of lithium battery power supply unit itself is added the conservative control of control unit and is made whole lithium battery Power supply unit dependable performance, easy to use.The above two groups of lithium battery group have one group as standby, native system design in consider Seriality to test, it is impossible to because battery electric quantity is too low or damages and causes test not to be normally carried out, system additionally increases One group of lithium battery group is standby.Load in view of system is mainly the inductive loads such as motor, and instant starting currents is big, selected lithium Battery discharge multiplying power is relatively big, fully meets load characteristic during electric motor starting.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, this low speed moves object trailer system can realize testing the data record of scene, saves as Historical data, it is simple to check later and analyze.Off-test every time, tests the target component of front setting and the final actual of test Parameter all can carry out data preservation by the memory element in control unit automatically, and the data form of preservation is " the date time-division Second--pattern--target dummy (grow up/child)--target velocity--actual speed--target direction--displacement of targets--actual bit Move ", these data store as historical data by control unit memory element in time, and historical data the most at most can be deposited Storing up 100, when data to be stored are more than 100, system covers the most front historical record automatically, and this historical record can simultaneously Conveniently to be checked by the display screen contained by display unit that controls in Fig. 2, it is also possible to pressed by the operation on display screen Invalid historical data manually deleted by button.

Another object of the present invention is to provide a kind of and move object trailer system for low speed, wherein at automobile actively In safe practice process of the test, this low speed moves object trailer system can solve its own system disorder, and traction stops incessantly Position limitation protection.Any system is likely to the situations such as disorder that crash occur, and present system is when system disorders occur, especially When trailer system cannot normally stop, dummy's device can be flushed to traction track limit two ends, it is most likely that causes system collision to damage Go bad or bring other potential safety hazards, in order to avoid the generation of this kind of situation, placing stroke in appropriate location, traction track two ends and open Close or limit switch, when foregoing situation occurs, during target dummy uncontrolled continuation action, traction track can be touched The travel switch of both sides or limit switch, this switch keep-alive principle is divided into mechanical protection and software protection, and mechanical protection is exactly will Its mechanical normal closed contact series, on the control coil that system motor major loop switchs, touches travel switch or limit when occurring Bit switch normally-closed contact disconnects, thus disconnects major loop switch, motor power-off and stop, order on the one hand by travel switch or Limit switch normally opened contact is connected on system control unit, and when touching occurs, travel switch or limit switch obtain normally opened contact and close Conjunction input one switching signal is to system master unit, and system control unit receives this signal and exports the stopping current institute of signal at once There is action.

Another object of the present invention is to provide one to move object trailer system for low speed, this low speed moves target Thing trailer system is perfect adaptation electric, mechanical, meets and effectively reduces test input cost while correlation test technology requires. The core devices of control unit uses the ARM control chip of current main flow, is widely used with low cost, coordinates simple peripheral electricity Road, such as Acquisition Circuit, PWM output circuit, storage circuit etc. just can realize control nimbly and freely and export, at hardware and soft More ripe simplicity in part design, developer is referred to particulars and carries out actual development design；Mechanical aspects includes leading Approach rail road, dummy's installation chassis, motor are installed adnexa etc. and are continued to optimize in the design, beneficially machining factory processing and manufacturing, especially It uses fine aluminum section bar in a large number, reduces the oeverall quality of dummy's installation chassis, reduces the moment of torsion of actuator motor Output, in the type selecting of actuator traction electric machine, can select the model that moment of torsion is relatively small, directly reduces electrically buying Cost.

Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the application to the application God and scope.So, if these amendments of the application and modification belong to the scope of the application claim and equivalent technologies thereof Within, then the application is also intended to comprise these change and modification.

It should be noted that the present invention can be carried out at software and/or software in the assembly of hardware, such as, can adopt Realize with special IC (ASIC), general purpose computer or any other similar hardware device.An embodiment In, the software program of the present invention can perform to realize steps described above or function by processor.Similarly, the present invention Software program (including the data structure being correlated with) can be stored in computer readable recording medium storing program for performing, such as, and RAM memory, Magnetically or optically driver element or floppy disc and similar devices.It addition, some steps of the present invention or function can employ hardware to realize, Such as, the circuit of each step or function is performed as coordinating with processor.

It addition, the part of the present invention can be applied to computer program, such as computer program instructions, when its quilt When computer performs, by the operation of this computer, can call or provide the method according to the invention and/or technical scheme. And call the programmed instruction of the method for the present invention, it is possibly stored in fixing or movably in record medium, and/or passes through Data stream in broadcast or other signal bearing medias and be transmitted, and/or be stored in and run according to described programmed instruction In the working storage of computer equipment.Here, include a system according to one embodiment of present invention, this system includes using In the memorizer of storage computer program instructions with for performing the processor of programmed instruction, wherein, when this computer program refers to When order is performed by this processor, trigger this system and run methods based on aforementioned multiple embodiments according to the present invention and/or skill Art scheme.

It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.This Outward, it is clear that " including ", a word was not excluded for other unit or step, and odd number is not excluded for plural number.In system claims, statement is multiple Unit or device can also be realized by software or hardware by a unit or device.The first, the second word such as grade is used for table Show title, and be not offered as any specific order.

Claims (13)

1. low speed moves an object trailer system system, and wherein, this system includes:

Target dummy, steel wire rope and traction track；

Control display unit, be used for receiving control setup parameter and sending to control unit, and display controls setup parameter and fortune Row state；

The control unit communicated with described control unit, for according to the control setup parameter received from described control display unit Control driver element；

The driver element communicated with described control unit, operates for the control instruction drive stepping motor according to control unit；

The motor communicated with described driver element, for dragging described target dummy in described traction by described steel wire rope Run on track.

System the most according to claim 1, wherein, also includes a lithium battery power supply list being connected with described control unit Unit.

System the most according to claim 1, wherein, also includes connecting with described control unit and lithium battery power supply unit respectively The battery charge sensor connect, for gathering the electricity of described lithium battery power supply unit, voltage and current and feeding back to described control Unit processed.

System the most according to claim 1, wherein, described control setup parameter includes starting, stops, advancing, retreats, speed Degree sets and model selection, and described running status includes the electricity of lithium battery power supply unit, the speed of motor and operation, stops Stop and indicating fault.

System the most according to claim 1, wherein, described control unit, it is additionally operable to record object dummy in described traction Operation conditions on track.

System the most according to claim 1, wherein, described control display unit also includes being connected with described control unit Normally opened and normally-closed contact, is sent to control unit by emergent stop signal during described normally opened contact Guan Bi, and described normally-closed contact is connected on On the contactor coil of the major loop of described motor.

System the most according to claim 1, wherein, also includes the external trigger unit being connected with described control unit, institute State external trigger unit to be arranged in the course of test vehicle.

System the most according to claim 7, wherein, described external trigger unit secondary triggers effectively.

System the most according to claim 1, wherein, also includes position sensor and the speed being connected with described motor Sensor, described position sensor is for gathering the displacement data of described motor and feeding back to described control unit, described Velocity sensor is for gathering the speed of service of described motor and feeding back to described control unit.

System the most according to claim 1, wherein, also includes the position limitation protection unit being connected with described control unit, institute State position limitation protection unit and be arranged on the both sides of traction track.

11. systems according to claim 1, wherein, described traction track is spliced by multiple segmented tracks, Mei Gefen It is provided with on section track

The splicing junction point interconnected between segmented tracks；

The anchor bolt installation hole fixing with ground；

It is positioned at the gathering sill in the middle of described segmented tracks.

12. systems according to claim 11, wherein, the dual-side of each segmented tracks is domatic, described steel wire rope position In described gathering sill.

13. according to the system described in claim 11 or 12, wherein, also includes a traction base plate, and described target dummy is by leading Draw the mounting pin on base plate to be fixed on traction base plate, in the middle of the bottom of described traction base plate, be provided with directive wheel, described guiding Wheel embeds in described gathering sill, and angle, four, the bottom of described traction base plate is provided with 4 balls.