CN102331789A - Durability detection device and method of rearview mirror - Google Patents
Durability detection device and method of rearview mirror Download PDFInfo
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- CN102331789A CN102331789A CN201110134462A CN201110134462A CN102331789A CN 102331789 A CN102331789 A CN 102331789A CN 201110134462 A CN201110134462 A CN 201110134462A CN 201110134462 A CN201110134462 A CN 201110134462A CN 102331789 A CN102331789 A CN 102331789A
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Abstract
The invention discloses a durability detection device and method of a rearview mirror. The invention can solve the problem of lack of a detection device and method which meet the requirement for multi-direction and multi-angle adjustment of the rearview mirror of a vehicle in the prior art. The key point of the technical scheme of the invention is as follows: the durability detection device of the rearview mirror comprises a stabilized voltage supply for power supply, a stationary worktable, a controller, a counting display and a plurality of relays; all input ends of the relays are electrically connected with the controller; the counting display is electrically connected with the controller; all output ends of the relays are electrically connected with an input end of a controllable selection switch; and a control end of the controllable selection switch is electrically connected with the controller while an output end of the controllable selection switch is electrically connected with an outgoing line of the detected rearview mirror. The durability detection device and method of the rearview mirror have the capabilities of carrying out tests in various degrees upon the actual on-site situation and judging the durability of the rearview mirror working under normal and extreme conditions.
Description
Technical field
The present invention relates to a kind of auto parts machinery permanance pick-up unit and method thereof, particularly a kind of rearview mirror permanance pick-up unit and method thereof.
Background technology
The mission life length of new product relates to product design, makes, and material, technology, quality management in the manufacture process and user use the conditions such as level of maintenance.Therefore, mission life is a systems engineering problem, in new product development qualification test or production technology; When material has major change, carry out the durability of products test, the test period of long duration test generally all is longer than fail-test; Through long duration test, find out which parts reliability aspect existing problem in the product design manufacturing, so that improve design or improve technological level; Change through the wear extent of measuring main part simultaneously, can calculate the serviceable life of new product.Similar with fail-test, also need the note rate in the endurancing process when which part fault and failover have appearred and the situation of shutting down.The reply new product makes a service test before and after the test, main movement parts fit dimension is measured, and based on purposes, the difference of nominal power selects for use the testing cycle of stipulating in the industry standard to make an experiment.On rearview mirror; Present rearview mirror often all has electronic rotation and folder function; Action multi-direction, multi-angle is an indispensable requirement of present rearview mirror; But at present the rearview mirror permanance self-verifying for the action of multi-direction, multi-angle still is in blank, and what often take is the mode of manual detection, can waste a large amount of manual works.
Chinese patent notification number CN 101469698A, in open day on July 1st, 2009, the present invention discloses a kind of water pump durability test-bed, comprises Programmable Logic Controller, frequency converter, variable-frequency motor, water tank, first water pipe, second water pipe, worktable, anchor clamps; Said anchor clamps are fixed on water pump on the said worktable; Said first water pipe links to each other with pump intake and said water outlet of water tank respectively, said second water pipe, one end links to each other with pump outlet, and the other end inserts among the said water tank; Said Programmable Logic Controller, frequency converter, variable-frequency motor connect through cable successively; Said Programmable Logic Controller is set the frequency and the starting and stopping time of said frequency converter; Control said frequency converter output voltage frequency, drive said variable-frequency motor and turn round, and drag pump operation according to given speed.This invention can be carried out endurancing to water pump; But this device can only to folk prescription to; The water pump of single motor action carries out durability test, and structure is too complicated for the motor that need not frequency control, and lacks the setting of automatic feedback; The permanance that is not suitable for small-sized accessory, particularly rearview mirror on the automobile detects.
Summary of the invention
The objective of the invention is to solve above-mentioned prior art permanance pick-up unit can only to folk prescription to; The motor of single motor action detects; Lack and meet the assembled in situ test request; Particularly lack the multi-direction multi-angle of the automobile rearview mirror that meets and regulate the rearview mirror permanance pick-up unit and the method thereof of needs, provide a kind of and can carry out multi-direction multi-angle permanance adjusting, automatic fault reporting, test loop writes down automatically, can be according to on-site actual situations; Carry out the test of multiple degree, can judge the rearview mirror permanance pick-up unit and the method thereof of the permanance that rearview mirror is worked under regular situation and extreme case.
The technical solution adopted for the present invention to solve the technical problems is: a kind of rearview mirror permanance pick-up unit; The stabilized voltage supply, the stationary work-table that comprise power supply; Described rearview mirror permanance pick-up unit also includes controller, count display and several relays; The input end of said relay all is electrically connected with controller, and described count display is electrically connected with controller, and the output terminal of said relay all is electrically connected with controlled SS input end; The control end of described controlled SS is electrically connected with controller, and the output terminal of described controlled SS is electrically connected with the extension line of tested rearview mirror.Be provided with like this, stationary work-table fixed installation rearview mirror, the rotary electric machine of rearview mirror and the extension line of folding motor are electrically connected with the output terminal of relay; Through the program of controller is set, can drive that rearview mirror rotates and jackknife action, through the different relay of conducting; Select the conducting different motor; Carry out the action of rotating, so repetitive cycling is accomplished the permanance side test, breaks down in case rearview mirror is played in the setting of count display; Can know and advance the circulation that how many times repeats, can reflect whether improvement is effective.
As preferably; Described stationary work-table is provided with feedback interface; Described feedback interface is electrically connected with described controller; The extreme position of corresponding rearview mirror action is provided with plurality of sensors on the described stationary work-table, and described sensor has only when tested rearview mirror execution corresponding actions reaches capacity the position and sends signal, and described sensor all is electrically connected with described feedback interface.Be provided with like this, can guarantee that rearview mirror fails to transport to extreme position in detection, sensor can be judged signal by transmission fault, and controller receives this signal, can judge that the rearview mirror action is not in place, breaks down.
As preferably; Described stationary work-table is provided with feedback interface; Described feedback interface is electrically connected with described controller; The extreme position of corresponding rearview mirror action is provided with several limit switches on the described stationary work-table; Described limit switch is that normal open switch has only just closed conducting when tested rearview mirror execution corresponding actions reaches capacity the position, and an end of said limit switch is electrically connected with described feedback interface, and the other end of said limit switch is electrically connected with pulse signal generator.Be provided with like this, can guarantee that rearview mirror fails to transport to extreme position in detection, limit switch can transmit the pulse signal that is used for failure judgement, and controller receives this pulse signal, can judge that the rearview mirror action is not in place, breaks down.
As preferably, described controller is PLC, is connected with malfunction indicator lamp on the described PLC.PLC is the FPGA controller, and a kind of electronic system of digital operation operation adopts programmable memory; Be used for its internally stored program, actuating logic computing, sequential control; Regularly, counting and user oriented instruction such as arithmetical operation, and control various types of machineries or production run through numeral or analog I/O; Being provided with when having guaranteed to break down of fault display lamp can in time be reminded the user, checks.
As preferably; Described controlled SS comprises an input end S3, the first output terminal S4 and the second output terminal S5, the first control end S1 and the second control end S2 and four relay: relay K A4, relay K A5, relay K A6, relay K A7; Described relay K A4 comprises a coil KA4, a normally closed contact KA4 and a normally opened contact KA4; Described relay K A5 comprises a coil KA5, a normally closed contact KA5 and a normally opened contact KA5; Described relay K A6 comprises a coil KA6, a normally opened contact KA6; Described relay K A7 comprises a coil KA7, a normally opened contact KA7, described normally opened contact KA4 and described normally opened contact KA6 parallel connection, and the input end of said normally opened contact KA4 is electrically connected with the output terminal of said normally closed contact KA5; The output terminal of said normally opened contact KA4 is electrically connected with the input end of said coil KA6, and the output terminal of said coil KA6 is electrically connected with the described first output terminal S4; Described normally opened contact KA5 and described normally opened contact KA7 parallel connection; The input end of said normally opened contact KA5 is electrically connected with the output terminal of said normally closed contact KA4; The output terminal of said normally opened contact KA5 is electrically connected with the input end of said coil KA7, and the output terminal of said coil KA7 is electrically connected with the described second output terminal S5; The input end of said normally closed contact KA4 all is electrically connected with described input end S3 with the input end of said normally closed contact KA5; The input end of said coil KA4 is electrically connected with the described second control end S2, and the input end of said coil KA5 is electrically connected with the described first control end S1, the output terminal of said coil KA4, coil KA5 all together () end is electrically connected.Be provided with like this, two output terminals of controlled SS are electrically connected with a tested rearview mirror respectively, can reach the effect of tested rearview mirror sequential testing; When first tested rearview mirror went wrong, feedback signal was delivered to controller through feedback interface, and controller can stop the test of first rearview mirror immediately; Send and control signal to controlled SS, control between first output terminal and the input end of controlled SS open circuit, path between second output terminal and the input end, the test that gets into second rearview mirror; Saved the time; Improve efficient, the setting of interlocking has also been arranged simultaneously like this, prevented wrong interlock.
A kind of rearview mirror permanance detection method, rearview mirror permanance detection method are through rearview mirror being continued rotation and folding the permanance of rearview mirror to be differentiated, and it is characterized in that rearview mirror permanance detection method may further comprise the steps:
Be provided with like this, regulate rearview mirror and transport to and break down then can report automatically in case can carry out multi-direction multi-angle permanance to rearview mirror; And the operation of the trace routine of multitude of different ways, helping detecting under the various situation, the permanance of rearview mirror and serviceability make things convenient for the user to find the endurance issues of rearview mirror under the different operating state.
As preferred version, described pre-detection program may further comprise the steps: change on the first time, the surge time of pausing is worth, following commentaries on classics, and the surge time of pausing is worth; Change on the second time, the surge time of pausing is worth, and turns left for the first time, and the surge time of pausing is worth; Turn right, the surge time of pausing is worth, and turns left for the second time, and the surge time of pausing is worth; The back folding, the surge time of pausing is worth, preceding folding, the surge time of pausing is worth; Described standard detection program may further comprise the steps: change the standard time value of pausing, following commentaries on classics, the standard time value of pausing on the first time; Change on the second time, the standard time value of pausing is turned left for the first time, the standard time value of pausing; Turn right, the standard time value of pausing is turned left for the second time, the standard time value of pausing; The back folding, the standard time value of pausing, preceding folding, the standard time value of pausing; Described destructive trace routine may further comprise the steps: change the limit time value of pausing, following commentaries on classics, the limit time value of pausing on the first time; Change on the second time, the limit time value of pausing is turned left the limit time value of pausing for the first time; Turn right, the limit time value of pausing is turned left the limit time value of pausing for the second time; The back folding, the limit time value of pausing, preceding folding, the limit time value of pausing; Described surge time is worth greater than described standard time value, and described standard time value is greater than described limit time value.Be provided with like this, guaranteed, can be comparatively slow when carrying out the pre-detection program; Carry out the effect that the pre-detection program can play buffering smoothly, the operative norm trace routine adopts canonical form, and complete standard detection program description rearview mirror can meet conventional demand; Carry out the requirement that destructive trace routine can at utmost satisfy durability test; Can accomplish destructive trace routine smoothly, explain that the rearview mirror permanance is good, can adapt to the action under the extreme case.
As preferred version; The span of go up changeing setting-up time the described first time be more than or equal to 3.8 seconds, smaller or equal to 4.2 seconds; Go up the commentaries on classics setting-up time the described second time and deduct 0.4 second for upward changeing setting-up time for the first time; Described change down time value set for go up for the first time change setting-up time add go up for the second time change setting-up time with deduct 0.2 second, the span of the setting-up time that turns left the described first time for more than or equal to 3.8 seconds, smaller or equal to 4.2 seconds, the setting-up time that turns left the described second time changes setting-up time and deducts 0.4 second for going up for the first time; Described right-hand rotation time value set for go up for the first time change setting-up time add go up for the second time change setting-up time with deduct 0.2 second; The span of described back folding setting-up time is greater than 4.8 seconds, and less than 5.2 seconds, described preceding folding setting-up time equated with said back folding setting-up time.The span of changeing setting-up time on the first time be more than or equal to 3.8 seconds, smaller or equal to 4.2 seconds; The rearview mirror in the test of being set at of time is gone up commentaries on classics for the first time and can just in time be reached and add extremely short error time the working time of changeing extreme position like this; Guaranteed that rearview mirror goes up commentaries on classics for the first time and can just in time reach and change extreme position and trigger feedback; Change down time value set for go up for the first time change setting-up time add go up for the second time change setting-up time with deduct 0.2 second; Change setting-up time on the second time and deduct 0.4 second for going up the commentaries on classics setting-up time for the first time; Be provided with like this and guaranteed time to change the position that also can just in time reach capacity, commentaries on classics also can return to original initial position on the second time; Equally, the span that the setting-up time that turns left for the first time is set for more than or equal to 3.8 seconds, smaller or equal to 4.2 seconds, the rearview mirror in the test of being set at of time turns left to add working time that can just in time reach the left-hand rotation extreme position error time of extremely lacking for the first time like this; Having guaranteed that rearview mirror turns left for the first time can just in time reach the left-hand rotation extreme position; The setting-up time that turns left for the second time changes setting-up time and deducts 0.4 second for going up for the first time, the right-hand rotation time value set for go up for the first time change setting-up time add go up for the second time change setting-up time with deduct 0.2 second, being provided with has like this guaranteed to turn right also can just in time reach capacity the position, turn left also can return to original initial position for the second time; The span of back folding setting-up time is greater than 4.8 seconds; Less than 5.2 seconds, add extremely short error time the working time that folding behind the rearview mirror can just in time reach back folding extreme position that is set in the test of time like this, be provided with like this and guaranteed the back folding position that also can just in time reach capacity; Preceding folding setting-up time equates with said back folding setting-up time, has guaranteed that preceding folding can reach initial position; Guaranteed to continue to adopt the method that the permanance of rearview mirror is detected, also can cooperate limit switch or sensor that the motion of rearview mirror is detected better simultaneously, stopped rearview mirror permanance fault generating, but controller can't detectedly have been slipped up.
As preferred version, described surge time the value span be greater than 2 seconds, the described standard time be worth span be smaller or equal to 2 seconds more than or equal to 1 second, described limit time value span be less than 1 second, more than or equal to 0.3 second.Be provided with like this, more buffering is arranged when rearview mirror begins to move, guaranteed that the pre-detection program can play the effect of preheating, pretrigger; The standard detection program can meet existing testing conditions; Meet practical situations, leave stand-by time, play the effect that standardization detects to rearview mirror; Destructive trace routine; Compole is short when letting the rearview mirror part getting stuck, can play the detection under the extreme motion conditions of rearview mirror, and the permanance that rearview mirror is moved is a test greatly; Can accomplish this test, explain that rearview mirror can have permanance preferably at work.
As preferred version, the span of described number of times a is more than or equal to 1, and the span of described number of times b is more than or equal to 2, and the span of described number of times c is more than or equal to 2.Be provided with like this, with less of trace routine number of times play that preheating, pre-activity do effect, the actual detected effect is little; The numerical value that therefore can be provided with is less; The standard detection program is to the standardized test of rearview mirror action permanance, need add to detect number of times to this, can be better the permanance of rearview mirror be detected; The destructive detection is to detect the permanance that rearview mirror moves under extreme case, and the test of therefore carrying out the long period can meet the actual needs of durability test.
The invention has the beneficial effects as follows: the present invention can accurately detect the permanance of rearview mirror from the many rotation directions of multi-angle, if rearview mirror breaks down in testing process, then the present invention can send signal automatically; Show that fault occurs; And, carrying out contrast for improving next time by count display demonstration detection action frequency, the present invention can also be according to on-site actual situations; Carry out the test of multiple degree, can judge the permanance that rearview mirror is worked under regular situation and extreme case.
Description of drawings
Fig. 1 is a kind of structural representation of the embodiment of the invention 1;
Fig. 2 is a kind of structural representation of the embodiment of the invention 2;
Fig. 3 is a workflow diagram of the present invention;
Fig. 4 is the programming ladder diagram of standard detection program of the present invention;
Fig. 5 is the circuit theory diagrams of controlled SS among the present invention.
Among the figure: 2, controller, 3, relay, 4, controlled SS, 5, feedback interface, 6, sensor, 7, count display, 8, rearview mirror, 9, limit switch, 91, pulse signal generator.
Embodiment
Pass through specific embodiment below, and combine accompanying drawing, technical scheme of the present invention is further specified.
Embodiment 1:
A kind of rearview mirror permanance pick-up unit (with reference to accompanying drawing 1); Be included as stabilized voltage supply, the stationary work-table of the utility model power supply; Controller 2, count display 7, six controlled SSes 4 and six relays 3; Controller 2 adopts PLC; Two tested rearview mirrors 8 all have extension line one, extension line two, extension line three, extension line four, extension line five; Rearview mirror 8 has go up to be changeed, commentaries on classics down, left-hand rotation, right-hand rotation, preceding folding, six kinds of duties of back folding, wherein extension line one for positive potential, extension line two during for negative potential the control rearview mirror go up commentariess on classics, extension line one is that negative potential, extension line two are controlled rearview mirror during for positive potential and descended commentaries on classics; Extension line one is controlled rearview mirror for positive potential, extension line three during for negative potential and is turned left; Extension line one for negative potential, extension line three during for positive potential the control rearview mirror turn right, extension line four for positive potential, extension line five during for negative potential the control rearview mirror carry out preceding folding, extension line four is controlled rearview mirror during for positive potential and is carried out the back and roll over for negative potential, extension line five; The input end of six relays 3 all is electrically connected with controller 2; Count display 7 is electrically connected with controller 2, and stationary work-table is provided with six controlled SSes 4, and controlled SS 4 (referring to accompanying drawing 5) comprises an input end S3, the first output terminal S4 and the second output terminal S5, the first control end S1 and the second control end S2 and four relay: relay K A4, relay K A5, relay K A6, relay K A7; Relay K A4 comprises a coil KA4, a normally closed contact KA4 and a normally opened contact KA4; Relay K A5 comprises a coil KA5, a normally closed contact KA5 and a normally opened contact KA5, and relay K A6 comprises a coil KA6, a normally opened contact KA6, and relay K A7 comprises a coil KA7, a normally opened contact KA7; Normally opened contact KA4 and normally opened contact KA6 parallel connection; The input end of normally opened contact KA4 is electrically connected with the output terminal of normally closed contact KA5, and the output terminal of normally opened contact KA4 is electrically connected with the input end of coil KA6, and the output terminal of coil KA6 is electrically connected with the first output terminal S4; Normally opened contact KA5 and normally opened contact KA7 parallel connection, the input end of normally opened contact KA5 is electrically connected with the output terminal of normally closed contact KA4, and the output terminal of normally opened contact KA5 is electrically connected with the input end of coil KA7, and the output terminal of coil KA7 is electrically connected with the second output terminal S5; The input end of normally closed contact KA4 all is electrically connected with input end S3 with the input end of normally closed contact KA5; The input end of coil KA4 is electrically connected with the second control end S2, and the input end of coil KA5 is electrically connected with the first control end S1, the output terminal of coil KA4, coil KA5 all together () end is electrically connected.The first control end S1 and the second control end S2 of controlled SS 4 are electrically connected with controller 2; The input end S3 of controlled SS 4 is electrically connected with the output terminal of relay 3; The duty of six relay 3 each corresponding a kind of rearview mirrors 8; Two extension lines that are first relay 3 are electrically connected with extension line one, the extension line two of two tested rearview mirrors 8 respectively through controlled SS 4; The control rearview mirror descends to change; Two extension lines of second relay 3 are electrically connected with extension line one, the extension line two of two tested rearview mirrors 8 respectively through controlled SS 4, and the control rearview mirror is gone up commentaries on classics, and two extension lines of the 3rd relay 3 are electrically connected with extension line one, the extension line three of two tested rearview mirrors 8 respectively through controlled SS 4; The control rearview mirror turns left; Two extension lines of the 4th relay 3 are electrically connected with extension line one, the extension line three of two tested rearview mirrors 8 respectively through controlled SS 4, and the control rearview mirror is turned right, and two extension lines of the 5th relay 3 are electrically connected with extension line four, the extension line five of two tested rearview mirrors 8 respectively through controlled SS 4; The control rearview mirror carries out preceding folding; Two extension lines of the 6th relay 3 are electrically connected with extension line four, the extension line five of two tested rearview mirrors 8 respectively through controlled SS 4, and the control rearview mirror carries out the back folding, and the extreme position of corresponding rearview mirror 8 motions is provided with sensor 6 on the stationary work-table; Sensor 6 has only to carry out when tested rearview mirror 8 and sends signal when corresponding actions reach capacity the position; The output line of sensor 6 all is electrically connected with controller 2 through feedback interface 5, and controller 2 also is electrically connected with count display 7, the mode that count display 7 adopts charactron to show.
When present embodiment uses, the stabilized voltage supply power supply, controller is that PLC gets electrician's work; PLC moves executive routine, and PLC outputs signal to the first control end S1 of six controlled SSes of control, the input end S3 and the first output terminal S4 path; The input end S3 and the second output terminal S5 road of opening circuit, each relay get when electric first tested rearview mirror extension line and get electric and the controller rearview mirror carries out corresponding action, when relay all must not electricity; First tested rearview mirror state that seizes up, six relays according to program setting successively electric, the tested rearview mirror action in electric back; The sensor output feedback signal not if rearview mirror action puts in place, the display digit of count display adds 1, the sensor output feedback signal if the rearview mirror action is not in place; Count display stops counting and flicker; In first tested rearview mirror detects completion or detects, break down, then PLC outputs signal to the second control end S2 of the controlled SS of control, and the input end S3 and the first output terminal S4 open circuit; The input end S3 and the second output terminal S5 path, the detection that gets into next tested rearview mirror.
Embodiment 2:
A kind of rearview mirror permanance pick-up unit (with reference to accompanying drawing 2) wherein the basic element of character be provided with all identical with embodiment 1; Difference is; The extreme position that corresponding rearview mirror 8 moves on the stationary work-table is not provided with sensor 6 but is provided with six limit switches 9; Limit switch 9 is a normal open switch; Have only just closed conducting when tested rearview mirror execution corresponding actions reaches capacity the position, an end of limit switch 9 is electrically connected with pulse signal generator 91, and the other end of limit switch 9 is electrically connected with feedback interface 5.
A kind of rearview mirror permanance detection method (referring to accompanying drawing 3), rearview mirror permanance detection method are through rearview mirror being continued rotation and folding the permanance of rearview mirror to be differentiated, and rearview mirror permanance detection method may further comprise the steps:
Table one
Under with the situation of PLC as controller; Pre-detection program and destructive trace routine all can be carried out the setting of simple substitution delay time according to the standard detection program; Go up the relay that changes as preferred still can Q0.1 the definition to the control rearview mirror, Q0.2 is defined the relay that descends to change to the control rearview mirror, Q0.3 is defined the relay that turns left to the control rearview mirror; Q0.4 is defined the relay of turning right to the control rearview mirror; Q0.5 is defined the relay that carries out preceding folding to the control rearview mirror, Q0.6 is defined the relay that carries out the back folding to the control rearview mirror, adjust the purpose that delay time can reach time-delay control according to table one.
Above-described embodiment is a kind of preferable scheme of the present invention, is not that the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (10)
1. rearview mirror permanance pick-up unit; The stabilized voltage supply, the stationary work-table that comprise power supply; It is characterized in that: described rearview mirror permanance pick-up unit also includes controller, count display and several relays; The input end of said relay all is electrically connected with controller, and described count display is electrically connected with controller, and the output terminal of said relay all is electrically connected with controlled SS input end; The control end of described controlled SS is electrically connected with controller, and the output terminal of described controlled SS is electrically connected with the extension line of tested rearview mirror.
2. rearview mirror permanance pick-up unit according to claim 2; It is characterized in that: described stationary work-table is provided with feedback interface; Described feedback interface is electrically connected with described controller; The extreme position of corresponding rearview mirror action is provided with plurality of sensors on the described stationary work-table, and described sensor has only when tested rearview mirror execution corresponding actions reaches capacity the position and sends signal, and described sensor all is electrically connected with described feedback interface.
3. rearview mirror permanance pick-up unit according to claim 2; It is characterized in that: described stationary work-table is provided with feedback interface; Described feedback interface is electrically connected with described controller; The extreme position of corresponding rearview mirror action is provided with several limit switches on the described stationary work-table, and described limit switch is a normal open switch, has only just closed conducting when tested rearview mirror execution corresponding actions reaches capacity the position; One end of said limit switch is electrically connected with described feedback interface, and the other end of said limit switch is electrically connected with pulse signal generator.
4. according to claim 1 or 2 or 3 described rearview mirror permanance pick-up units, it is characterized in that: described controller is PLC, is connected with malfunction indicator lamp on the described PLC.
5. according to claim 1 or 2 or 3 described rearview mirror permanance pick-up units; It is characterized in that: described controlled SS comprises an input end S3, the first output terminal S4 and the second output terminal S5, the first control end S1 and the second control end S2 and four relay: relay K A4, relay K A5, relay K A6, relay K A7; Described relay K A4 comprises a coil KA4, a normally closed contact KA4 and a normally opened contact KA4; Described relay K A5 comprises a coil KA5, a normally closed contact KA5 and a normally opened contact KA5; Described relay K A6 comprises a coil KA6, a normally opened contact KA6; Described relay K A7 comprises a coil KA7, a normally opened contact KA7; Described normally opened contact KA4 and described normally opened contact KA6 parallel connection; The input end of said normally opened contact KA4 is electrically connected with the output terminal of said normally closed contact KA5, and the output terminal of said normally opened contact KA4 is electrically connected with the input end of said coil KA6, and the output terminal of said coil KA6 is electrically connected with the described first output terminal S4; Described normally opened contact KA5 and described normally opened contact KA7 parallel connection; The input end of said normally opened contact KA5 is electrically connected with the output terminal of said normally closed contact KA4; The output terminal of said normally opened contact KA5 is electrically connected with the input end of said coil KA7, and the output terminal of said coil KA7 is electrically connected with the described second output terminal S5; The input end of said normally closed contact KA4 all is electrically connected with described input end S3 with the input end of said normally closed contact KA5; The input end of said coil KA4 is electrically connected with the described second control end S2, and the input end of said coil KA5 is electrically connected with the described first control end S1, the output terminal of said coil KA4, coil KA5 all together () end is electrically connected.
6. rearview mirror permanance detection method, rearview mirror permanance detection method are through rearview mirror being continued rotate and folding the permanance of rearview mirror to be differentiated, and it is characterized in that rearview mirror permanance detection method may further comprise the steps:
Step 1, the initialization of rearview mirror permanance pick-up unit, controller reading control program;
Step 2; Get into the pretest stage; Rearview mirror carry out one by several to different directions rotates and jackknife action constitutes pre-detection program; Rearview mirror is just exported a count signal after pre-detection program of every completion and is added to count display by setting, after rearview mirror repeats to accomplish a pre-detection program and exports corresponding count signal by control program, and steps performed three; If in step 2, once move to carry out arbitrarily and put in place, then controller receives fault-signal, and rearview mirror permanance pick-up unit quits work, and then steps performed six;
Step 3; Get into the standard testing stage; Rearview mirror carry out one by several to different directions rotates and jackknife action constitutes standard detection program; Rearview mirror is just exported a count signal after standard detection program of every completion and is added to count display by setting, after rearview mirror repeats to accomplish b substandard trace routine and exports corresponding count signal by control program, and steps performed four; If in step 3, once move to carry out arbitrarily and put in place, then controller receives fault-signal, and rearview mirror permanance pick-up unit quits work, and then steps performed six;
Step 4; Get into the destructive testing stage; Rearview mirror carry out one by several to different directions rotates and jackknife action constitutes destructive trace routine; Rearview mirror is just exported a count signal after destructive trace routine of every completion and is added to count display by setting, after rearview mirror repeats to accomplish c destructive trace routine and exports corresponding count signal by control program, and steps performed five; If in step 5, once move to carry out arbitrarily and put in place, then controller receives fault-signal, and rearview mirror permanance pick-up unit quits work, and then steps performed six;
Step 5, controller are sent and are accomplished instruction, and controller resets, and the count display data are preserved, and rearview mirror permanance pick-up unit stops the testing of current tested rearview mirror, the testing that gets into next tested rearview mirror;
Step 6, controller are inquired about the corresponding action of failing to carry out fully according to the fault-signal that receives; The output fault display signal; The count display data are preserved, and rearview mirror permanance pick-up unit stops the testing of current tested rearview mirror, the testing that gets into next tested rearview mirror.
7. rearview mirror permanance detection method according to claim 6 is characterized in that: described pre-detection program may further comprise the steps: change on the first time, the surge time of pausing is worth following commentaries on classics; Surge time value of pausing was changeed second time on, and the surge time of pausing is worth, the left-hand rotation first time; Surge time value of pausing is turned right, and the surge time of pausing is worth; Turn left for the second time, the surge time of pausing is worth, the back folding; Surge time value of pausing, preceding folding, the surge time of pausing is worth; Described standard detection program may further comprise the steps: change the standard time value of pausing, following commentaries on classics, the standard time value of pausing on the first time; Change on the second time, the standard time value of pausing is turned left for the first time, the standard time value of pausing; Turn right, the standard time value of pausing is turned left for the second time, the standard time value of pausing; The back folding, the standard time value of pausing, preceding folding, the standard time value of pausing; Described destructive trace routine may further comprise the steps: change the limit time value of pausing, following commentaries on classics, the limit time value of pausing on the first time; Change on the second time, the limit time value of pausing is turned left the limit time value of pausing for the first time; Turn right, the limit time value of pausing is turned left the limit time value of pausing for the second time; The back folding, the limit time value of pausing, preceding folding, the limit time value of pausing; Described surge time is worth greater than described standard time value, and described standard time value is greater than described limit time value.
8. rearview mirror permanance detection method according to claim 7; It is characterized in that: the span of go up changeing setting-up time the described first time for more than or equal to 3.8 seconds, smaller or equal to 4.2 seconds; Go up the commentaries on classics setting-up time the described second time and deduct 0.4 second for upward changeing setting-up time for the first time; Described change down time value set for go up for the first time change setting-up time add go up for the second time change setting-up time with deduct 0.2 second; Turn left the described first time setting-up time span for more than or equal to 3.8 seconds, smaller or equal to 4.2 seconds; The setting-up time that turns left the described second time changes setting-up time and deducts 0.4 second for going up for the first time, described right-hand rotation time value set for go up for the first time change setting-up time add go up for the second time change setting-up time with deduct 0.2 second, the span of described back folding setting-up time is greater than 4.8 seconds; Less than 5.2 seconds, described preceding folding setting-up time equated with said back folding setting-up time.
9. rearview mirror permanance detection method according to claim 7; It is characterized in that: described surge time, the value span was for greater than 2 seconds; Described standard time value span be smaller or equal to 2 seconds more than or equal to 1 second, described limit time value span be less than 1 second, more than or equal to 0.3 second.
10. according to claim 6 or 7 or 8 or 9 described rearview mirror permanance detection methods; It is characterized in that: the span of described number of times a is more than or equal to 1; The span of described number of times b is more than or equal to 2, and the span of described number of times c is more than or equal to 2.
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| CN 201110134462 CN102331789B (en) | 2011-05-24 | 2011-05-24 | Durability detection device and method of rearview mirror |
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| CN 201110134462 CN102331789B (en) | 2011-05-24 | 2011-05-24 | Durability detection device and method of rearview mirror |
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| CN106257258A (en) * | 2016-05-22 | 2016-12-28 | 湖南吉利汽车部件有限公司 | Rearview mirror device for detecting durability and method thereof |
| CN114088366A (en) * | 2021-11-03 | 2022-02-25 | 长春富维汽车视镜系统有限公司 | Folding endurance test device of automobile rearview mirror |
| CN114088366B (en) * | 2021-11-03 | 2024-05-03 | 长春富维汽车视镜系统有限公司 | Folding endurance test device of automobile rearview mirror |
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| CN102331789B (en) | 2013-05-15 |
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