CN100545621C - Vehicle wind screen wiper assembly performance test center - Google Patents
Vehicle wind screen wiper assembly performance test center Download PDFInfo
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- CN100545621C CN100545621C CNB2007100240452A CN200710024045A CN100545621C CN 100545621 C CN100545621 C CN 100545621C CN B2007100240452 A CNB2007100240452 A CN B2007100240452A CN 200710024045 A CN200710024045 A CN 200710024045A CN 100545621 C CN100545621 C CN 100545621C
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Abstract
The present invention relates to a kind of vehicle wind screen wiper assembly performance test center.It comprises have detect and regulate wiper to the pressure transfer device and the snap-in force regulating device of windscreen snap-in force, can act on wiper repeatedly and make its instantaneous out-of-work windscreen-wiper braking arrangement, build the system of drenching with rain of rain spraying environment in the test storehouse and adopt industrial control computer to control and the electrical control gear of data processing.Remove industrial control computer and electrical control gear and be installed in the electrical control panel, in the test storehouse that can open the door before and after all the other each devices all are enclosed in.During vehicle wind screen wiper assembly performance test central task, only need the wiper assembly is installed on the mounting template, set test parameters, just can carry out the autotest test of overall process to it, monitor Test condition and every dynamic data by display screen, print test report automatically after test is finished.
Description
Technical field
The present invention relates to a kind of vehicle wind screen wiper assembly performance test center.
Background technology
Its every performance index of vehicle wind screen wiper assembly must meet the automobile industry standard QC/T44-1997 of the People's Republic of China (PRC) " vehicle windowpane electric water scraper technical conditions " requirement, could produce and use.QC/T44-1997 " vehicle windowpane electric water scraper technical conditions " requires that the wiper assembly must be tested its wiper frequency, automatically resets in rain spraying environment, braking, scrape brushing effects, wiper to many indexs such as the snap-in force of automobile air window glass and permanance.According to related data inquiry both at home and abroad, also do not find the applicable industry control computer wiper assembly to be carried out the comprehensive checkout equipment of full-automatic monitoring test so far.
One of at present traditional method of testing is that wiper factory adopts abandoned car headstock repacking back as test, the shortcoming of this method is the cost height, take up an area of greatly, and the automobile wiper that different model is used need be equipped with the certified products headstock of different model or scrap headstock; Two of traditional method of testing is that the every performance to the wiper assembly can only adopt single equipment to detect item by item.For example wiper is when the wiper assembly stationary state to the snap-in force of automobile air window glass, measures with spring balance; The braking ability of wiper assembly is to adopt artificially to force the wiper assembly out-of-work repeatedly with finger, the method of this artificial mini-test is very clumsy and loaded down with trivial details, error information detection is bigger, and can not build the purpose of the full-automatic test detection that realizes the wiper assembly under rain spraying environment.One cover wiper assembly is whenever done a type approval test needs more than the 20 day time of spend, adopts above method, must arrange the testing staff to wait for by testing machine in 24 hours, automaticity is low, time-consuming, labour intensity is big, and test figure is influenced greatly by human factor.
Summary of the invention
The purpose of this invention is to provide a kind of industrial control computer and PCL Programmable Logic Controller of can adopting is core, the combination property of wiper assembly is realized that full-automatic test detects, and can realize the electromechanical integration test detecting equipment of remote monitor.
Realize that general plotting of the present invention is: the present invention is under the simulation rain spraying environment, is the comprehensive full-automatic test detecting equipment of core with industrial control computer and PCL Programmable Logic Controller.It adopts stepper motor to regulate the pressure size of wiper to automobile air window glass, with the dynamic pressure value of determination of pressure sensor wiper; With mechanical arm wiper is carried out the braking test; Measure the wiper number of times and the reseting performance of wiper with displacement and sensor for countering.When the wiper assembly is tested, only need the wiper assembly is installed on the mounting template at vehicle wind screen wiper assembly performance test center, before the test, on industrial control computer, import test parameters with interactive form, after the start, test center automatically implements test routine, and shows dynamic test data and printing on display screen.
Concrete technical scheme of the present invention is as follows:
Vehicle wind screen wiper assembly performance test center comprises the test storehouse, places pressure transfer device, snap-in force regulating device, the left and right windscreen-wiper braking arrangement on the interior framework of test storehouse and builds the device of drenching with rain of rain spraying environment, in addition, also comprise electrical control gear;
Above-mentioned pressure transfer device comprises that the glass pane frame that is in the frame top is used to drive the swing span that eyebrow window glass frame work moves forward and backward with being automatically connected on the frame, glass pane is fixed on the front portion of glass pane frame, the displacement sensor for countering that is used to test wiper assembly off-position angle and scrape the water frequency is close to the back of glass pane, is used to detect wiper is fixed on glass pane frame rear to the pressure transducer of glass pane snap-in force frame;
Above-mentioned snap-in force regulating device be included in upper rack with front and back to two guide rods that are provided be fastened on stepper motor seat on above-mentioned two guide rods, stepper motor seat the place ahead is provided with the pressure regulator panel that is automatically connected on two guide rods, stepper motor is installed on the stepper motor seat, its axle head is connected with a leading screw, the mounting template that tested wiper assembly is installed is installed in the front portion of pressure regulator panel, and the leading screw on the stepper motor is connected with screw on the pressure regulator panel;
Above-mentioned snap-in force regulating device be included in upper rack with front and back to two guide rods, above-mentioned two guide rods that are provided with tighten intrinsic stepper motor seat, stepper motor seat the place ahead is provided with the pressure regulator panel that can be automatically connected on two guide rods, stepper motor is installed on the stepper motor seat, its axle head is connected with a leading screw, the mounting template that tested wiper assembly is installed is installed in the front portion of pressure regulator panel, and the leading screw on the stepper motor is connected with screw on the pressure regulator panel; On the wherein guide rod of snap-in force regulating device and on forward and backward of relative pressure adjustable plate limit switch is housed respectively.
Described left and right windscreen-wiper braking arrangement, respectively has slide, each slide rear portion is fixed with the electromagnet assembly, each slide front portion is connected with the mechanical arm by electromagnet assembly control action, the slide of above-mentioned left windscreen-wiper braking arrangement is connected in the oscilaltion mechanism, the slide of right windscreen-wiper braking arrangement then is connected on the left/right movement device, and oscilaltion mechanism and left/right movement device all are connected on the frame; Each electromagnet II by horizontally-mounted electromagnet I and vertical installation of the electromagnet assembly of described left and right windscreen-wiper braking arrangement forms;
The above-mentioned device of drenching with rain is the water tank that is placed in the frame bottom, the upper hose of drawing from the water tank apopore, through booster water pump retaining valve and flow control valve, the spray head of going up with test Cang Ding and being in the glass pane front upper place is connected, the spray head below is provided with a water dish, the apopore of water dish bottom is connected with the inlet opening water pipe of water tank, and upper hose is provided with flow sensor;
The flow sensor of the displacement sensor for countering of described pressure transfer device, pressure transducer and the described device of drenching with rain is connected with the signal input part of electrical control gear respectively; The booster water pump of the electromagnet I of the stepper motor of described snap-in force regulating device, described left and right sides windscreen-wiper braking arrangement and electromagnet II, the described device of drenching with rain all is connected with the electrical control gear output terminal with retaining valve.
The swing span of described pressure transfer device has four vertical spikes, glass pane frame bottom is fixed with four kickstands that fall " U " shape, the upper end of spike is fixed with bearing seat, be provided with bearing in the bearing seat, the two ends of the bearing pin by bearing are connected to falling on the pin shaft hole of " U " shape two side of kickstand; Frame lower has four bearing seats, and two forward and backward transverse axis are installed between the two bearings of bearing seat correspondence, and the lower end of four spikes is fixed with the axle head of horizontal axle sleeve difference pin joint at forward and backward transverse axis.
On the wherein guide rod of described snap-in force regulating device and on forward and backward of relative pressure adjustable plate limit switch is housed respectively.
The oscilaltion mechanism of described left windscreen-wiper braking arrangement comprises elevating bracket, the bottom of elevating bracket is provided with threaded hole, trailing flank is provided with the lifting lasso, elevating bracket is automatically connected in by the lifting lasso on the perpendicular guide rod of frame corresponding site, and worm drive are connected between the bottom thread hole of lifting screw and elevating bracket by frame corresponding site screw hole; The top of elevating bracket be provided with the horizontal adjustment screw rod that is threaded with the slide lower, transverse threaded hole of left windscreen-wiper braking arrangement and with the slide lower, transverse guide rod hole horizontal adjustment guide rod movingly of left windscreen-wiper braking arrangement.
The left/right movement device of described right windscreen-wiper braking arrangement comprises adjustment seat, one side of the left and right sides of adjustment seat is provided with threaded hole, trailing flank is provided with adjustment collar, adjustment seat is automatically connected in by adjustment collar on the horizontal guide rod of frame corresponding site, and worm drive are connected between the side threaded hole of adjusting screw(rod) and adjustment seat by frame corresponding site screw hole; The top of adjustment seat be provided with the horizontal adjustment screw rod that is threaded with the slide lower, transverse threaded hole of right windscreen-wiper braking arrangement and with the slide lower, transverse guide rod hole horizontal adjustment guide rod movingly of right windscreen-wiper braking arrangement.
The rear end unshakable in one's determination of each electromagnet I of described left and right windscreen-wiper braking arrangement is connected with the lower end unshakable in one's determination of electromagnet II; The mechanical arm of described left and right windscreen-wiper braking arrangement respectively comprises hollow arm, the wire rope that passes hollow arm that is fixed on the corresponding slide, compression spring and the blocking pin that is arranged on the hollow arm upper end, described wire rope one end connects mutually with the front end unshakable in one's determination of electromagnet I, and the other end connects with blocking pin mutually by compression spring.
Described upper rack and be provided with spacing adjustment part at bearing place, each spike upper end near pressure transfer device; Bearing in the spike upper shaft bearing of described pressure transfer device and the bearing in the frame lower bearing seat are double-row radial ball bearing; Described spike all adopts hollow square tube.
Door is observed for two opening in front, described test storehouse, the back is two Access Door of opening, the and arranged on left and right sides face is the framed side wallboard that has view window and dismountable maintenance window, and the glass of observing door and view window is to be embedded in the mounting hole of observing door and view window with the combination rubber weather strip; The top in test storehouse also is provided with a vent port that has dust cover.
The described device upper hose of drenching with rain is two, be connected with the left and right apopore of water tank respectively, and respectively by booster water pump, retaining valve and flow control valve, be connected with house steward, flow sensor is arranged on the house steward, house steward is connected with spray head, and two booster water pumps of the described device of drenching with rain all are connected with the electrical control gear output terminal.
The data-signal input end of the industrial control computer of described electrical control gear, output terminal are electrically connected with data processing output terminal, the input end of PLC Programmable Logic Controller respectively; The programming controller digital signal input end of PLC Programmable Logic Controller is electrically connected with the A/D analog to digital converter, receives the current signal of the flow sensor of the device of drenching with rain; The data-signal input end of PLC Programmable Logic Controller is counted sensor electrical with the displacement on the pressure transfer device and is connected; The program control signal output terminal of PLC Programmable Logic Controller is electrically connected with the output relay group, and the output terminal of output relay group is connected respectively to the stepper motor of snap-in force regulating device, the electromagnet I and the electromagnet II of windscreen-wiper braking arrangement, the pressure transducer of the device booster water pump pressure transfer device of drenching with rain and is electrically connected with the data input pin of industrial control computer through pressure unit.
The present invention has positive effect:
The present invention has realized manufacturing modern electronic technologies such as a kind of employing computing machine, carries out the full-automatic experimental test instrument of vehicle wind screen wiper assembly l-G simulation test.This instrument meets the automobile industry standard QC/T44-1997 of the People's Republic of China (PRC) " vehicle windowpane electric water scraper technical conditions ", and the vehicle wind screen wiper assembly of multiple model can be installed on the mounting template at vehicle wind screen wiper assembly performance test center, before the test, on industrial control computer, import test parameters with interactive form, after the start, test center automatically implements test routine, and on display screen, show the dynamic test data, also can connect internet or LAN (Local Area Network), the remote monitoring Test condition, after test is finished, print test report automatically.
Pressure transfer device of the present invention adopts is the glass pane shelf structure that swing span that four spikes and eight node bearings are formed supports, the examination of this Adjustable structure becomes one zero stressed free body, and it can be accurately passes to pressure transducer with wiper to the snap-in force of glass pane.This structure has not only changed originally when wiper assembly stationary state, measures the classic method of wiper to the glass pane snap-in force with spring balance, but also has guaranteed the accuracy of detection of wiper to the glass pane snap-in force.
What left and right windscreen-wiper braking arrangement of the present invention adopted is to have replaced finger prosthesis with the mechanical arm blocking pin, be in transmission connection for the wire rope flexibility between electromagnet assembly and the mechanical arm blocking pin, the interactive action of combined electrical magnetic iron ejects blocking pin or withdrawal, pass in and out very flexible, simple in structure, reliable in action, alleviated people's labour intensity, and eliminated potential safety hazard, the continuity of warranty test realizes full-automatic programmed control for vehicle wind screen wiper assembly performance test center and has created condition.The oscilaltion mechanism and the left/right movement device of left and right windscreen-wiper braking arrangement are provided with in order to adapt to different automobile types wiper size, and range of adjustment is big, and is easy to operate.
The test of the present invention storehouse and the device of drenching with rain are used for the simulation climate environment and are provided with, the flow size of device of drenching with rain can monitor on the display screen of industrial control computer, two cover booster water pumps are to regulate and control alternately operating chronologically by industrial control computer, guarantee vehicle wind screen wiper assembly performance test center long-time continuous operation non-fault.
The present invention meets the automobile industry standard QC/T44-1997 of the People's Republic of China (PRC) " vehicle windowpane electric water scraper technical conditions " requirement, the full-automatic test routine of implementing, the dynamic test data that show test and test on the display screen, after test is finished, automatically print test report, also can connect internet or LAN (Local Area Network), the remote monitoring Test condition is a desirable auto parts and components test detecting equipment
Description of drawings
Fig. 1 is a vehicle wind screen wiper assembly performance test center front schematic view;
Fig. 2 is the side schematic view of Fig. 1;
Fig. 3 is the pressure transfer device side schematic view among the present invention;
Fig. 4 is the A-A cut-open view among Fig. 3;
Fig. 5 is a snap-in force regulating device side schematic view of the present invention;
Fig. 6 is that the A of Fig. 5 is to synoptic diagram;
Fig. 7 is a windscreen-wiper braking arrangement side schematic view of the present invention;
Fig. 8 is oscilaltion mechanism stereographic map in the windscreen-wiper braking arrangement of the present invention;
Fig. 9 is left/right movement device stereographic map in the windscreen-wiper braking arrangement of the present invention;
Figure 10 is the test storehouse stereographic map among the present invention;
Figure 11 is the present invention's device piping diagram of drenching with rain;
Figure 12 is an automaton circuit block diagram of the present invention.
Embodiment
See Fig. 1 and Fig. 2, a kind of vehicle wind screen wiper assembly performance test center, it comprises test storehouse 1, places pressure transfer device 3, snap-in force regulating device 4, left windscreen-wiper braking arrangement 5, the right windscreen-wiper braking arrangement 6 on 1 interior framework 2 of test storehouse and builds the device 7 of drenching with rain of rain spraying environment, electrical control gear 8 is placed in independently in the electrical control cabinet, draw together hydrophone assembly 9 and scrape hydroelectric machine 10, be installed on the mounting template 4-6 of snap-in force regulating device 4 for measurand; The displacement sensor for countering 3-4 that is used to test wiper assembly off-position angle and scrape the water frequency is close to the back of glass pane 3-2, is used to detect wiper is fixed on glass pane frame 3-1 rear to the pressure transducer 3-5 of glass pane snap-in force frame 2;
See Fig. 3, pressure transfer device 3 comprises that the glass pane frame 3-1 that is in the frame top is used to drive the swing span 3-3 that eyebrow window glass frame 3-1 work moves forward and backward with being automatically connected on the frame 2, glass pane 3-2 is fixed on the front portion of glass pane frame 3-1, displacement sensor for countering 3-4 is close to the back of glass pane 3-2, and pressure transducer 3-5 is fixed on the frame 2 at glass pane frame 3-1 rear;
See Fig. 3 and Fig. 4, the swing span 3-3 of pressure transfer device 3 has four vertical spike 3-6, frame 2 tops and be provided with spacing adjustment part 3-15 near bearing place, each spike 3-6 upper end, spacing adjustment part 3-15 spike 3-6 when preventing test center's Installation and Debugging inclines to used; Glass pane frame 3-1 bottom is fixed with four kickstand 3-7 that fall " U " shape, the upper end of spike 3-6 is fixed with bearing seat 3-8, be provided with bearing 3-9 in the bearing seat 3-8, the two ends of the bearing pin 3-10 by bearing 3-9 are connected to falling on the pin shaft hole of " U " shape two side of kickstand 3-7; Four bearing seat 3-11 are arranged at frame 2 bottoms, two forward and backward transverse axis 3-12 are installed between the two bearings 3-13 of bearing seat 3-11 correspondence, the lower end of four spike 3-6 is fixed with horizontal axle sleeve 3-14, and pin joint is at the axle head of forward and backward transverse axis 3-12 respectively, and bearing 3-9,3-13 are double-row radial ball bearing; Spike 3-6 all adopts hollow square tube, and it is horizontality that pressure transfer device 3 must be adjusted to glass pane frame 3-1 before use, and spike 3-6 is a plumbness.
See Fig. 5 and Fig. 6, snap-in force regulating device 4 is included in frame 2 tops and tightens intrinsic stepper motor seat 4-2 with front and back to the two guide rod 4-1, the above-mentioned two guide rod 4-1 that are provided with, stepper motor seat 4-2 the place ahead is provided with the pressure regulator panel 4-3 that can be automatically connected on the two guide rod 4-1, stepper motor 4-4 is installed on the stepper motor seat 4-2, its axle head is connected with a leading screw 4-5, the mounting template 4-6 that tested wiper assembly 10 is installed is installed in the front portion of pressure regulator panel 4-3, and the leading screw 4-5 on the stepper motor 4-4 is connected with screw on the pressure regulator panel 5-3; A wherein guide rod 4-1 of snap-in force regulating device 4 go up and forward and backward of relative pressure adjustable plate 4-3 on limit switch 4-7 respectively is housed; limit switch 4-7 is used to prevent that stepper motor 4-4 from chance failure occurring when snap-in force is regulated, and plays the effect of protection glass pane 3-2.
See Fig. 7, a left side, right windscreen-wiper braking arrangement 5,6 respectively have slide 5-1,6-1, each slide 5-1, the 6-2 rear portion is fixed with electromagnet assembly 5-2,6-2, each slide 5-1, the 6-2 front portion is connected with by electromagnet assembly 5-2, the mechanical arm 5-3 of 6-2 control action, 6-3, above-mentioned left and right sides windscreen-wiper braking arrangement 5, the slide 5-1 of the windscreen-wiper braking arrangement 5 in 6 is connected on the 5-4 of oscilaltion mechanism, the slide 6-1 of another windscreen-wiper braking arrangement 6 then is connected on the left/right movement device 6-4, and 5-4 of oscilaltion mechanism and left/right movement device 6-4 all are connected on the frame; Each electromagnet II 56-2 by horizontally-mounted electromagnet I 56-1 and vertical installation of electromagnet assembly 5-2, the 6-2 of left and right windscreen-wiper braking arrangement 5,6 forms;
The 56-4 unshakable in one's determination rear end of each electromagnet I 56-1 of left and right windscreen-wiper braking arrangement is connected with the 56-5 unshakable in one's determination lower end of electromagnet II 56-2; Mechanical arm 5-3, the 6-3 of left and right windscreen-wiper braking arrangement respectively comprises hollow arm 56-3, the wire rope 56-6 that passes hollow arm 56-3 that is fixed on the corresponding slide, compression spring 56-7 and the blocking pin 56-8 that is arranged on hollow arm 56-3 upper end, wire rope 56-6 one end connects mutually with the 56-4 front end unshakable in one's determination of electromagnet I 56-1, and the other end connects with blocking pin 56-8 mutually by compression spring 56-7.
The course of action of electromagnet assembly 5-2,6-2 is: the wiper assembly is in normal process of the test, electromagnet I 56-1 and electromagnet II 56-2 are power failure state, the lower end 56-5 unshakable in one's determination of electromagnet II 56-2 inserts the boss place, 56-4 unshakable in one's determination rear end of electromagnet I 56-1, stop electromagnet I 56-1 to move forward, wire rope 56-6 is in tensioned state, at this moment, blocking pin 56-8 is withdrawn in the hollow arm 56-3, compression spring 56-7 pressurized; Even after the electromagnet I 56-1 dead electricity, 56-4 unshakable in one's determination can not return at this moment.
In the time of need braking the wiper assembly, electromagnet II 56-2 gets, 56-5 unshakable in one's determination is moved upward, relieving is clamped down on electromagnet I 56-1 56-4's unshakable in one's determination, wire rope 56-6 is lax, compression spring 56-7 ejects blocking pin 56-8 from hollow arm 56-3, the 56-4 unshakable in one's determination of electromagnet I 56-1 is subjected to the wire rope 56-6 tractive force effect of blocking pin 56-8 At time of eject, travels forward.
Under the effect of electromagnet assembly 5-2,6-2, the course of action of mechanical arm 5-3,6-3 is: when wire rope 56-6 tightens, and in the blocking pin 56-8 withdrawal hollow arm 56-3, compression spring 56-7 pressurized; When wire rope 56-6 is lax, compression spring 56-7 pressure discharges, and blocking pin 56-8 ejects, and wiper is subjected to stopping of blocking pin 56-8, quits work.
See Fig. 8, because various model automobile wipers, its dimensions difference by adjusting the position of oscilaltion 5-4 of mechanism and slide 5-1, needs mechanical arm 5-3 is adjusted to the most suitable testing position; The 5-4 of oscilaltion mechanism comprises elevating bracket 54-1, the bottom of elevating bracket 54-1 is provided with threaded hole, trailing flank is provided with lifting lasso 54-2, elevating bracket 54-1 is automatically connected in by lifting lasso 54-2 on the perpendicular guide rod 54-4 of frame corresponding site, and worm drive are connected between the bottom thread hole of lifting screw 54-3 and elevating bracket 54-1 by frame corresponding site screw hole; The top of elevating bracket 54-1 be provided with the horizontal adjustment screw rod 5-5 that is threaded with slide 5-1 lower, transverse threaded hole and with slide 5-1 lower, transverse guide rod hole horizontal adjustment guide rod 5-6 movingly; The high and low position of lifting screw 54-3 adjustable mechanical hand 5-3, the turnover position of adjustment screw rod 5-5 adjustable mechanical hand 5-3.
See Fig. 9, in like manner, need mechanical arm 6-3 is adjusted to the most suitable testing position by adjusting the position of left/right movement device 6-4 and slide 6-1; Left/right movement device 6-4 comprises adjustment seat 64-1, one side of the left and right sides of adjustment seat 64-1 is provided with threaded hole, trailing flank is provided with adjustment collar 64-2, adjustment seat 64-1 is automatically connected in by adjustment collar 64-2 on the horizontal guide rod 64-4 of frame corresponding site, and worm drive are connected between the side threaded hole of adjusting screw(rod) 64-3 and adjustment seat 64-1 by frame corresponding site screw hole; The top of adjustment seat 64-1 be provided with the horizontal adjustment screw rod 6-5 that is threaded with slide 6-1 lower, transverse threaded hole and with slide 6-1 lower, transverse guide rod hole horizontal adjustment guide rod 6-6 movingly; The position, the left and right sides of lifting screw 64-3 adjustable mechanical hand 6-3, the turnover position of adjustment screw rod 6-5 adjustable mechanical hand 6-3.。
See Figure 10, door 1-1 is observed for two opening in 1 front, test storehouse at vehicle wind screen wiper assembly performance test center, the back is two Access Door 1-2 that open, the and arranged on left and right sides face is the framed side wallboard 1-3 that has view window 1-4 and dismountable maintenance window 1-5, and the glass 1-9 that observes door 1-4 and view window 1-5 is embedded in the mounting hole of observing door 1-1 and view window 1-4 with combination rubber weather strip 1-6; The top of test cabin also is provided with a vent port 1-8 who has dust cover 1-7.
See Figure 11, drench with rain device 7 for being placed in the water tank 7-1 bottom the frame, the upper hose 7-5 that draws from water tank apopore 7-2, upper hose 7-5 is two, be connected with the left and right apopore 7-2 of water tank respectively, and by two booster water pump 7-3, retaining valve 7-6 and flow control valve 7-14, be connected with house steward 7-13 respectively, flow sensor 7-12 is arranged on the house steward 7-13; House steward 7-13 goes up with test Cang1Ding and the spray head 7-7 that is in glass pane 3-2 front upper place is connected, spray head 7-7 promptly tests the bottom, storehouse in the below and is provided with a water dish 7-8, and the apopore 7-9 of water dish 7-8 bottom is connected with the inlet opening 7-11 water pipe 7-10 of water tank 7-1; Booster water pump is regulated and control chronologically by industrial control computer, and alternately operating guarantees vehicle wind screen wiper assembly performance test center long-time continuous operation non-fault.
See Figure 12, the input end of electrical control gear 8 respectively with displacement sensor for countering 3-4, the pressure transducer 3-5 of pressure transfer device 3,, the flow sensor 7-12 of the limit switch 4-7 of snap-in force regulating device 4 and the system of drenching with rain is electrically connected, and receives electric signal; The output terminal of electrical control gear 8 is electrically connected with stepper motor 4-4, the electromagnet I 56-1 and the electromagnet II56-2 of windscreen-wiper braking arrangement 5,6 of control snap-in force regulating device 4, booster water pump 7-3 and 7 reference mark of test center's sound and light alarm of the device 7 of drenching with rain respectively, controls its break-make by computer program;
The electric connection mode of electrical control gear 8 is: the data-signal input end 811 of industrial control computer 8-1, output terminal 813 are electrically connected with data processing output terminal 824, the input end 821 of PLC Programmable Logic Controller 8-2 respectively; The programming controller digital signal input end 822 of PLC Programmable Logic Controller 8-2 is electrically connected with A/D analog to digital converter 8-3, receives the flow sensor 7-12 on the device 7 house steward 7-13 that drench with rain and the current signal of scraping hydroelectric machine 9 current sensors of tested wiper assembly 10; The data-signal input end 823,824 of PLC Programmable Logic Controller 8-2 respectively with pressure transfer device 3 on the displacement sensor for countering 3-4 and the glass pane limit switch 4-7 of pressure adjustment assembly 4 be electrically connected; The program control signal output terminal 825 of PLC Programmable Logic Controller 8-2 is electrically connected with the output relay group 8-4 that 7 reference mark are arranged, the output terminal of output relay group 8-4 be connected respectively to the stepper motor 4-4 that scrapes hydroelectric machine 9, snap-in force regulating device 4, the windscreen-wiper braking arrangement 5 of wiper assembly 10 electromagnet I 56-1 electromagnet II 56-2, device booster water pump 7-3,7-4 and be arranged on the audible-visual annunciator in the test storehouse drench with rain; The pressure transducer 3-5 of pressure transfer device 3 is electrically connected with the data input pin 812 of industrial control computer 8-1 through pressure unit 8-5.
The experimental test at vehicle wind screen wiper assembly performance test center is operating as: energized, start computing machine, and enter WINDOWS XP operating system, double-click " the wiper assembly performance test center " icon on the desktop, enter the system initialization window.Click " entering test macro " button, enter test parameter and set the interface, import test number, wiper assembly type respectively, water pump cycling time, frequency test number of times, the braking residence time, parameters such as test interval number of times.Enter test interface after test parameters is set, test interface is simple and clear, shows real-time dynamic data respectively, test mode, dynamically shows and data such as test result; Also can enter the test control zone, select corresponding control knob, carry out wiper assembly off-position angle and scrape water frequency, wiper brake operating and wiper permanance and scrape cleanliness test.If need and can realize the switching at interface by the button below screen, as the snap-in force curve, scrape the hydroelectric machine current curve, drench with rain flow system flow curve, report printing and the inquiry of historical data.Computing machine can be connected with LAN (Local Area Network) by the internet, realizes the remote monitoring of experimental test.
Claims (10)
1, a kind of vehicle wind screen wiper assembly performance test center, it is characterized in that: it comprises test storehouse (1), places pressure transfer device (3), snap-in force regulating device (4), the left and right windscreen-wiper braking arrangement (5,6) on test storehouse (1) interior framework (2) and builds the device of drenching with rain (7) of rain spraying environment, in addition, also comprise electrical control gear (8);
Above-mentioned pressure transfer device (3) comprises the glass pane frame (3-1) that is in frame top and is automatically connected in and is used to drive the swing span (3-3) that eyebrow window glass frame (3-1) work moves forward and backward on the frame (2), glass pane (3-2) is fixed on the front portion of glass pane frame (3-1), the displacement sensor for countering (3-4) that is used to test wiper assembly off-position angle and scrape the water frequency is close to the back of glass pane (3-2), is used to detect wiper is fixed on glass pane frame (3-1) rear to the pressure transducer (3-5) of glass pane snap-in force frame (2);
Above-mentioned snap-in force regulating device (4) be included in frame (2) top with front and back to two guide rods (4-1) that are provided be fastened on stepper motor seat (4-2) on above-mentioned two guide rods (4-1), stepper motor seat (4-2) the place ahead is provided with the pressure regulator panel (4-3) that is automatically connected on two guide rods (4-1), stepper motor (4-4) is installed on the stepper motor seat (4-2), its axle head is connected with a leading screw (4-5), the mounting template (4-6) that tested wiper assembly (10) is installed is installed in the front portion of pressure regulator panel (4-3), and the leading screw (4-5) on the stepper motor (4-4) is connected with screw on the pressure regulator panel (5-3);
An above-mentioned left side, right windscreen-wiper braking arrangement (5,6), respectively has slide (5-1,6-1), each slide (5-1,6-2) rear portion is fixed with electromagnet assembly (5-2,6-2), each slide (5-1,6-2) front portion is connected with by electromagnet assembly (5-2,6-2) mechanical arm (the 5-3 of control action, 6-3), the slide (5-1) of above-mentioned left windscreen-wiper braking arrangement (5) is connected in the oscilaltion mechanism (5-4), the slide (6-1) of right windscreen-wiper braking arrangement (6) then is connected on the left/right movement device (6-4), and oscilaltion mechanism (5-4) and left/right movement device (6-4) all are connected on the frame; Each electromagnet II (56-2) by horizontally-mounted electromagnet I (56-1) and vertical installation of the electromagnet assembly (5-2,6-2) of described left and right windscreen-wiper braking arrangement (5,6) forms;
The above-mentioned device of drenching with rain (7) is for being placed in the water tank (7-1) bottom the frame, the upper hose (7-5) of drawing from water tank apopore (7-2), on booster water pump (7-3) and retaining valve (7-6) and test top, storehouse (1) and the spray head (7-7) that is in glass pane (3-2) front upper place be connected, spray head (7-7) below is provided with a water dish (7-8), the apopore (7-9) of water dish (7-8) bottom is connected with inlet opening (7-11) water pipe (7-10) of water tank (7-1), and upper hose is provided with flow sensor (7-12);
The flow sensor (7-12) of the displacement sensor for countering (3-4) of described pressure transfer device (3), pressure transducer (3-5) and the described device of drenching with rain (7) is connected with the signal input part of electrical control gear (8) respectively; The booster water pump (7-3) of the electromagnet I (56-1) of the stepper motor (4-4) of described snap-in force regulating device (4), described left and right windscreen-wiper braking arrangement (5,6) and electromagnet II (56-2), the described device of drenching with rain (7) is connected with electrical control gear (8) output terminal.
2, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: the swing span (3-3) of pressure transfer device (3) has four vertical spikes (3-6), glass pane frame (3-1) bottom is fixed with four kickstands (3-7) that fall " U " shape, the upper end of spike (3-6) is fixed with bearing seat (3-8), be provided with bearing (3-9) in the bearing seat (3-8), the two ends of the bearing pin (3-10) by bearing (3-9) are connected to falling on the pin shaft hole of " U " shape two side of kickstand (3-7); Four bearing seats (3-11) are arranged at frame (2) bottom, forward and backward two transverse axis (3-12) are installed between the corresponding two bearings (3-13) of bearing seat (3-11), and the lower end of four spikes (3-6) is fixed with the axle head of horizontal axle sleeve (3-14) difference pin joint at forward and backward transverse axis (3-12).
3, a kind of automotive glazing wiper assembly performance according to claim 1 test center is characterized in that: a wherein guide rod (4-1) of snap-in force regulating device (4) go up and forward and backward of relative pressure adjustable plate (4-3) on limit switch (4-7) respectively is housed.
4, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: the oscilaltion mechanism (5-4) of described left windscreen-wiper braking arrangement (5) comprises elevating bracket (54-1), the bottom of elevating bracket (54-1) is provided with threaded hole, trailing flank is provided with lifting lasso (54-2), elevating bracket (54-1) is automatically connected in by lifting lasso (54-2) on the perpendicular guide rod (54-4) of frame corresponding site, and worm drive are connected between the bottom thread hole of lifting screw (54-3) and elevating bracket (54-1) by frame corresponding site screw hole; The top of elevating bracket (54-1) be provided with the horizontal adjustment screw rod (5-5) that is threaded with slide (5-1) the lower, transverse threaded hole of left windscreen-wiper braking arrangement (5) and with slide (5-1) the lower, transverse guide rod hole horizontal adjustment guide rod (5-6) movingly of left windscreen-wiper braking arrangement (5).
5, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: the left/right movement device (6-4) of described right windscreen-wiper braking arrangement (6) comprises adjustment seat (64-1), one side of the left and right sides of adjustment seat (64-1) is provided with threaded hole, trailing flank is provided with adjustment collar (64-2), adjustment seat (64-1) is automatically connected in by adjustment collar (64-2) on the horizontal guide rod (64-4) of frame corresponding site, and worm drive are connected between the side threaded hole of adjusting screw(rod) (64-3) and adjustment seat (64-1) by frame corresponding site screw hole; The top of adjustment seat (64-1) be provided with the horizontal adjustment screw rod (6-5) that is threaded with slide (6-1) the lower, transverse threaded hole of right windscreen-wiper braking arrangement (6) and with slide (6-1) the lower, transverse guide rod hole horizontal adjustment guide rod (6-6) movingly of right windscreen-wiper braking arrangement (6).
6, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: iron core (56-4) rear end of each electromagnet I (56-1) of left and right windscreen-wiper braking arrangement and iron core (56-5) lower end of electromagnet II (56-2) are connected; The mechanical arm of described left and right windscreen-wiper braking arrangement (5-3,6-3) respectively comprises hollow arm (56-3), the wire rope (56-6) that passes hollow arm (56-3) that is fixed on the corresponding slide, compression spring (56-7) and the blocking pin (56-8) that is arranged on hollow arm (56-3) upper end, described wire rope (56-6) end connects mutually with iron core (56-4) front end of electromagnet I (56-1), and the other end connects with blocking pin (56-8) mutually by compression spring (56-7).
7, a kind of automotive glazing wiper assembly performance according to claim 2 test center is characterized in that: described frame (2) top and be provided with spacing adjustment part (3-15) at the bearing place, each spike (3-6) upper end near pressure transfer device (3); Bearing (3-9) in spike (3-6) the upper shaft bearing (3-8) of described pressure transfer device (3) and the bearing (3-13) in frame (2) the lower shaft bearing (3-11) are double-row radial ball bearing; Described spike (3-6) all adopts hollow square tube.
8, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: door (1-1) is observed for two opening in test front, storehouse (1), the back is two Access Door (1-2) of opening, the and arranged on left and right sides face is for having the framed side wallboard (1-3) of view window (1-4) and dismountable maintenance window (1-5), and the glass (1-9) of observing door (1-4) and view window (1-5) is to be embedded in the mounting hole of observing door (1-1) and view window (1-4) with combination rubber weather strip (1-6); The top in test storehouse also is provided with a vent port (1-8) that has dust cover (1-7).
9, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: the upper hose of the described device of drenching with rain (7-5) is two, respectively with the left side of water tank, right apopore (7-2) connects, and respectively by booster water pump (7-3), retaining valve (7-6) and flow control valve (7-14), be connected with house steward (7-13), flow sensor (7-12) is arranged on the house steward (7-13), house steward (7-13) is connected with spray head (7-7), and two booster water pumps (7-3) of the described device of drenching with rain (7) all are connected with electrical control gear (8) output terminal
10, a kind of automotive glazing wiper assembly performance according to claim 1 test center, it is characterized in that: the data-signal input end (811) of the industrial control computer (8-1) of electrical control gear (8), output terminal (813) are electrically connected with data processing output terminal (824), the input end (821) of PLC Programmable Logic Controller (8-2) respectively; The programming controller digital signal input end (822) of PLC Programmable Logic Controller (8-2) is electrically connected with A/D analog to digital converter (8-3), receives the current signal of the flow sensor (7-12) of device (7) of drenching with rain; The data-signal input end (823) of PLC Programmable Logic Controller (8-2) and the displacement sensor for countering (3-4) on the pressure transfer device (3) are electrically connected; The program control signal output terminal (825) of PLC Programmable Logic Controller (8-2) is electrically connected with output relay group (8-4), and the output terminal of output relay group (8-4) is connected respectively to the stepper motor (4-4) of snap-in force regulating device (4), the electromagnet I (56-1) and the electromagnet II (56-2) of windscreen-wiper braking arrangement (5), the device booster water pump (7-3) of drenching with rain electrical connection; Pressure transducer (3-5) pressure inverting (8-5) of pressure transfer device (3) is electrically connected with the data input pin (812) of industrial control computer (8-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100240452A CN100545621C (en) | 2007-07-14 | 2007-07-14 | Vehicle wind screen wiper assembly performance test center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100240452A CN100545621C (en) | 2007-07-14 | 2007-07-14 | Vehicle wind screen wiper assembly performance test center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101089586A CN101089586A (en) | 2007-12-19 |
| CN100545621C true CN100545621C (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100240452A Expired - Fee Related CN100545621C (en) | 2007-07-14 | 2007-07-14 | Vehicle wind screen wiper assembly performance test center |
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| Country | Link |
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| CN (1) | CN100545621C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713695B (en) * | 2009-11-16 | 2011-06-29 | 中国人民解放军空军装备研究院雷达与电子对抗研究所 | Rain showering and rain dropping strength adjusting device for rain showering and rain dropping test |
| CN102564773A (en) * | 2012-02-16 | 2012-07-11 | 奇瑞汽车股份有限公司 | System and method for controlling endurance test of electric wiper for automobile |
| CN103149926A (en) * | 2012-09-21 | 2013-06-12 | 华晨汽车集团控股有限公司 | Durability testing system for vehicle control device |
| CN103631168A (en) * | 2013-12-04 | 2014-03-12 | 中国飞机强度研究所 | Structural function test control device |
| CN106679960A (en) * | 2017-01-12 | 2017-05-17 | 浙江科朗汽车配件有限公司 | Pressure adapting device of wiper testing device and control method thereof |
| DE102017208694A1 (en) * | 2017-05-10 | 2018-11-15 | Robert Bosch Gmbh | Wiper status display method |
| CN107132057A (en) * | 2017-06-23 | 2017-09-05 | 苏州科技大学 | Motor vehicle real vehicle windscreen wiper pilot system and test method |
| CN107131995A (en) * | 2017-06-30 | 2017-09-05 | 吉林大学 | A kind of Wiper pressing force distribution air tunnel testing device and wiper control method |
| CN108414242B (en) * | 2018-03-26 | 2023-11-03 | 上汽大众汽车有限公司 | Windscreen wiper test device and windscreen wiper test method |
| CN109827741B (en) * | 2018-12-26 | 2021-05-11 | 贵阳万江航空机电有限公司 | Method for detecting wind tunnel test parameters of wiper product |
| KR102412705B1 (en) * | 2020-05-13 | 2022-06-27 | 한국철도기술연구원 | Performance test apparatus for wiper system of railway vehicles |
| CN111941362B (en) * | 2020-07-16 | 2023-03-21 | 四川富士电机有限公司 | Wiper detection device |
| CN113504761B (en) * | 2021-08-13 | 2023-01-31 | 东莞市聚研硅胶科技有限公司 | Waterproof sealing performance simulation test machine for corrugated pipe of automobile telescopic swing rod |
-
2007
- 2007-07-14 CN CNB2007100240452A patent/CN100545621C/en not_active Expired - Fee Related
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|---|---|
| CN101089586A (en) | 2007-12-19 |
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