CN102155470A - Automatic detection and debugging system and method of hydraulic valve - Google Patents
Automatic detection and debugging system and method of hydraulic valve Download PDFInfo
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- CN102155470A CN102155470A CN2011101390491A CN201110139049A CN102155470A CN 102155470 A CN102155470 A CN 102155470A CN 2011101390491 A CN2011101390491 A CN 2011101390491A CN 201110139049 A CN201110139049 A CN 201110139049A CN 102155470 A CN102155470 A CN 102155470A
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Abstract
The invention discloses an automatic detection and debugging system and an automatic detection and debugging method of a hydraulic valve. The system comprises a virtual instrument based on a personal computer (PC), wherein the virtual instrument based on the PC is connected with a signal output module, a signal amplification module and an execution device electrically in sequence; the execution device is arranged on a work condition control part of the hydraulic valve to be detected; a signal acquisition sensor is arranged on a test port of each parameter of the hydraulic valve to be detected; the signal acquisition sensor is connected with the virtual instrument based on the PC electrically through a signal acquisition module; and the virtual instrument based on the PC also comprises a fault library and a database and is connected with result output equipment electrically. The invention also provides the automatic detection and debugging method of the hydraulic valve. The invention has the advantages that: 1, the whole detection and debugging process is finished automatically, so that the efficiency of detection and debugging is improved; and 2, influence of human factors of a detection person on a test result is reduced.
Description
Technical field
The present invention relates to a kind of automatic detection debug system and method for hydrovalve, be particularly useful for debugging and check before the dispatching from the factory of used electro-hydraulic proportional valve quality and performance on the engineering machinery.
Background technique
At present, detection adjustment method commonly used is to adopt the manual operation Joystick, detect with traditional mechanical compression table, judge by inspector's experience whether product is qualified, this detecting method detection efficiency is low, and testing precision is not high, and the action of each operating grip changes greatly, product whether qualified examined person's subjectivity influence is big, and can not carry out good record to the result of test; Now disclosed comparatively advanced detecting method has, and on January 26th, 2011, State Intellectual Property Office discloses the patent of invention of a kind of " a kind of new automatic tightness machines " by name, and the patent No. is 201020231689.6; On July 14th, 2010, State Intellectual Property Office discloses the patent of invention of a kind of " portable air valve detection integrated system " by name, and the patent No. is 200920189889.7; On January 19th, 2011, State Intellectual Property Office discloses the patent of invention of a kind of " intelligent ball valve detection facility " by name, and number of patent application is 201010271153.1; On October 29th, 2008, State Intellectual Property Office discloses the patent of invention of a kind of by name " electric-controlled co-rail fuel feed pump with solenoid valve diagnosis detecting method and device ", and number of patent application is 200710101549.X; The tested object that these patented technologies are faced all is not a hydrovalve, and the hydrovalve test has its characteristics, and the former capital can not be directly used in it hydrovalve quality and performance detection.
Summary of the invention
The automatic detection debug system that the purpose of this invention is to provide a kind of hydrovalve, use this system, operator only need each test port of hydrovalve to be measured is connected with the test and debugging system, this system will finish the various performance detection debugging of hydrovalve to be measured automatically, and important test data carried out record, trigger output unit printed product conformity certificate as a result, can accelerate like this hydrovalve the detection debugging efficiency, improve the accuracy that detects debugging, prevent that substandard product is unexpected and flow out.
The present invention for achieving the above object, the technical solution that adopts is: the automatic detection debug system of this hydrovalve, it is characterized in that, comprise a virtual instrument based on PC, virtual instrument and signal output module based on PC, the signal amplification module, performer is electrically connected successively, performer is installed on the operating mode control component of hydrovalve to be measured, the signals collecting sensor is installed on the test port of various parameters of hydrovalve to be measured, the signals collecting sensor is electrically connected by signal acquisition module with based on the virtual instrument of PC, virtual instrument based on PC has also comprised fault database, database, and be electrically connected with output unit as a result.
Preferably, performer comprises solenoid valve, guide's electromagnetic proportional valve, electronic rotary spanner, these executive components of electrically controlled manipulation bar.
Preferably, the signals collecting sensor comprises pressure transducer, flow transducer, current sensor, displacement transducer.
The automatic detection adjustment method of hydrovalve of the present invention, its step is as follows:
1, based on the virtual instrument 1(of PC hereinafter to be referred as controller) send control signal;
2, control signal is by 2 outputs of control signal output module;
3, control signal is transferred to control signal amplification module 3;
4, control signal is through amplifying 4 actions of rear driving performer, performer 4 comprises solenoid valve, guide's electromagnetic proportional valve, electronic rotary spanner, these executive components of electrically controlled manipulation bar, and these executive components are finished the control to the various working staties of hydrovalve 10 to be measured;
5, when 1 pair of hydrovalve 10 operating mode to be measured of controller were controlled, the signal that signals collecting sensor 5 will be tested was transferred to signal acquisition module 6; At the testing property characteristics of hydrovalve, signals collecting sensor 5 includes pressure transducer, flow transducer, current sensor, displacement transducer;
6, signal acquisition module 6 transforms signal, and the signal after will transforming again is transferred to controller 1;
7, controlling hydrovalve 10 to be measured carries out exercises on one side for controller 1, on one side with the test signal under the various operating modes with scope be set compare;
8, when measured value c is within preset range a-b, controller 1 will be controlled hydrovalve 10 to be measured and run to next operating mode and detect;
9, as survey data c during greater than preset range maximum value b, controller 1 will be selected the reason and the recovery scenario 1001 that may produce this situation and be prompted to the operator from the fault database 7 of storage failure reason, after the operator finished reparation according to prompting, controller 1 was controlled hydrovalve 10 to be measured again and is run to next operating mode and detect;
10, when measuring degrees of data c less than preset range minimum value a, controller 1 will be selected the reason and the recovery scenario 1002 that may produce this situation and be prompted to the operator from the fault database 7 of storage failure reason, when the operator can not finish reparation according to prompting, to analyze the fault of hydrovalve 10 to be measured by the technician, after the fault of hydrovalve 10 to be measured solved, controller 1 was controlled hydrovalve 10 to be measured again and is run to next operating mode and detect;
11, simultaneously the technician can store new failure cause and solution in the fault database 7 of controller 1 into very easily, prepares against that prompting operation person solves when running into this fault next time;
12, variety of issue all solves and finishes, and when the various parameters that obtain when test all meet the requirements, controller 1 will trigger output unit 9 as a result, printed product conformity certificate;
13, controller 1 also can screen test data, and the significant data of this test is stored automatically;
Controller 1 can access data easily when 14, the hydrovalve after waiting to dispatch from the factory went wrong from database, analyzed the weak spot of this hydrovalve performance, the maintenance of hydrovalve is instructed, to the improvement of product from now on also with helpful.
The invention has the beneficial effects as follows:
1, the automation of whole detection debug process is finished, and has shortened and has detected the needed time of debugging, has improved the efficient that detects debugging;
2, the operation of hydrovalve, detection, judge are finished by Automatic Program, have reduced the influence of inspector's personal factor to test result.
Description of drawings
Fig. 1 is that hydrovalve detects debug system function module layout chart automatically;
Fig. 2 is that hydrovalve detects debug system workflow schematic diagram automatically;
Fig. 3 is the automatic detection debug system working example device layout figure of electric-hydraulic proportion rotary valve;
Fig. 4 is that the electric-hydraulic proportion rotary valve detects debug system working example systematic schematic diagram automatically;
Among Fig. 1,1, based on the virtual instrument of PC, 2, the control signal output module, 3, the control signal amplification module, 4, performer, 5, the signals collecting sensor, 6, signal acquisition module, 7, fault database, 8, database, 9, output unit as a result, 10, hydrovalve to be measured;
Fig. 3, among Fig. 4,11, the electronic rotary spanner of first control device, 12, back pressure valve, 13, solenoid valve, 14, flow transducer, 15, the electronic rotary spanner of second control device, 16, first relief valve, 17, guide's electromagnetic proportional valve, 18, the electronic rotary spanner of the 4th control gear, 19, main relief valve, 20, pressure transducer, 21, solenoid valve, 22, solenoid valve, 23, flow transducer, 24, solenoid valve, 25, the electronic rotary spanner of the 3rd control gear, 26, second relief valve, 27, guide's electromagnetic proportional valve, 28, the electronic rotary spanner of the 5th control gear, 29, reduction valve, 30, pressure transducer, 31, solenoid valve.
The present invention is further described below in conjunction with drawings and Examples.
Embodiment
In Fig. 1, the automatic detection debug system of this hydrovalve, comprise a virtual instrument 1 based on PC, virtual instrument 1 and signal output module 2 based on PC, signal amplification module 3, performer 4 is electrically connected successively, performer 4 is installed on the operating mode control component of hydrovalve 10 to be measured, the test port that signals collecting sensor 5 is installed in the various parameters of hydrovalve 10 to be measured (refers generally to the oil inlet P of hydrovalve 10 to be measured, actuator port A and B, oil return inlet T) on, signals collecting sensor 5 is electrically connected by signal acquisition module 6 with based on the virtual instrument 1 of PC, comprises fault database 7 based on the virtual instrument 1 of PC, database 8, and be electrically connected with output unit 9 as a result.
Performer 4 comprises solenoid valve, guide's electromagnetic proportional valve, electronic rotary spanner, these executive components of electrically controlled manipulation bar, and these performers are used to change the operating mode of hydrovalve 10 to be measured.Be appreciated that, described performer 4 can comprise in solenoid valve, guide's electromagnetic proportional valve, electronic rotary spanner, the electrically controlled manipulation bar any one, two kinds or multiple, and every kind of different executive component quantity also can be one, two or more, decide on the parameter of hydrovalve 10 required detections to be measured.
Signals collecting sensor 5 comprises pressure transducer, flow transducer, current sensor, displacement transducer, is used for detecting pressure, flow, the electric current of hydrovalve 10 each test point to be measured, these parameters of displacement of valve rod.The kind and the quantity that are appreciated that described signals collecting sensor 5 also can be decided according to the parameter of hydrovalve 10 required detections.
During detection, see also Fig. 1, the inspector is connected to performer 4 and signals collecting sensor 5 on the hydrovalve 10 to be measured earlier, and hardware device connects the back operation hydrovalve that finishes and detects debug system automatically.
When seeing also Fig. 3, hydrovalve shown in Figure 4 10, detect the device layout figure and the systematic schematic diagram of debug system automatically for a kind of electric-hydraulic proportion rotary valve.
Described electric-hydraulic proportion rotary valve comprises oil inlet P, the first actuator port A, the second actuator port B, control port C and oil return inlet T, back pressure valve 12 1 ends and T mouth UNICOM, the other end is by valve core of main valve and P mouth UNICOM, the two ends of first relief valve 16 and second relief valve 26 respectively with actuator port A and actuator port B UNICOM, main relief valve 19 two ends respectively with oil inlet P and oil return inlet T UNICOM, reduction valve 29 two ends respectively with oil inlet P and guide's electromagnetic proportional valve 17,27 oil-feed oil duct UNICOM, guide's electromagnetic proportional valve 17, an other end of 27 respectively with main valve valve rod a, b two ends UNICOM, described automatic detection debug system is used to detect described P, A, B, C, the parameters of T mouth.
Described automatic detection debug system comprises solenoid valve 21, the pressure transducer 20 that links to each other with the P mouth, the solenoid valve 13 that links to each other with the A mouth, flow transducer 14, the solenoid valve 22 that links to each other with the B mouth, flow transducer 23, the pressure transducer 30 that links to each other with the C mouth, the solenoid valve 31 that links to each other with the T mouth.Described automatic detection debug system also comprises first control device (electronic rotary spanner) 11, second control device (electronic rotary spanner) the 15, the 3rd control gear (electronic rotary spanner) the 25, the 4th control gear (electronic rotary spanner) the 18, the 5th control gear (electronic rotary spanner) 28, is used for setting up the setting pressure of back pressure valve 12, first relief valve 16, second relief valve 26, main relief valve 19, reduction valve 29 respectively.
Be appreciated that the virtual instrument 1 based on PC in the described automatic detection debug system is preferably a kind of in all optional controllers, also can be based on the virtual instrument 1 of PC by other controllers replacements, as PLC, single-chip microcomputer; Signal output, the signal that signal output module 2, signal amplification module 3 and signal acquisition module 6 in the described automatic detection debug system can have it amplifies and the signals collecting function directly is integrated on the controller.
See also Fig. 2, the detection example with concrete electric-hydraulic proportion rotary valve is that example illustrates automatic detection debug system of the present invention below.The detection step of described automatic detection debug system is as follows:
(a) virtual instrument 1 (hereinafter to be referred as controller) based on PC sends signal, gives solenoid valve 21 energisings, and solenoid valve 21 is opened, and this step has been realized hydraulic fluid port P oil-feed;
(b) treat hydraulic fluid port P oil-feed after, controller 1 sends signal, gives the 4th control gear 18 energisings, and it is just changeed, it will lock main relief valve 19, thereby the pressure of main relief valve 19 is transferred to maximum value, this step has been realized the locking of main relief valve 19;
(c) treat 19 lockings of main relief valve after, pressure transducer 20 is gathered the pressure signal of hydraulic fluid port P, if pressure signal at P1-P2(wherein, P1 and P2 are predefined value, and between and the P1＜P2), controller 1 sends signal, give first control device 11 energisings, it is just changeed, and it will transfer in the pressure regulating screw of back pressure valve 12, thereby the pressure of back pressure valve 12 is risen, when the pressure signal of hydraulic fluid port P reaches P2, controller sends signal, oppositely switches on for the electronic rotary spanner 11 of first control device, makes its counter-rotating, the P mouth pressure is descended, when the pressure signal of hydraulic fluid port P arrived P1, controller 1 sent signal, gave first control device 11 energisings, it is just changeed, so, make back pressure valve 12 regulate several times repeatedly after, be the allowed band of pressure surge with pressure setting at (P1+P2)/2 ± △ P(△ P) the position; If main relief valve 19 locking back pressure transducers 20 collect the pressure signal of oil inlet P not between P1-P2, be lower than P1 or be higher than P2 according to pressure signal, make first control device 11 forward or reverse respectively, carry out above-mentioned action again after being adjusted to hydraulic fluid port P pressure signal between the P1-P2, this step has been realized the setting of back pressure valve 12 preset pressure;
(d) when carrying out step c, controller 1 is done difference relatively with the numerical value that pressure transducer 20 collects the pressure signal of hydraulic fluid port P, if the absolute value of difference represents then that less than specified value variation in pressure is steady, adhere to specification, then proceed following detection, if the absolute value of difference represents then that greater than specified value variation in pressure is not steady, fault database 7 will provide prompting, prompting operation person carries out coherent detection, for example makes the operator check whether defectiveness of back pressure valve 12; If the equal zero defect of prompting (for example not being the defective of back pressure valve 12) that fault database 7 provides is then analyzed fault by the technician, and solve fault.Pending fault can store new failure cause and solution in the fault database 7 into after solving, and this step has realized when transferring back pressure valve 12 oil inlet P oil pressure stability being detected, and has told about the method that the back of breaking down solves fault;
(e) treat that the pressure setting of back pressure valve 12 is behind (P1+P2)/2 ± △ P, pressure transducer 30 compares pressure signal and the setting value of the hydraulic fluid port C of collection, if the pressure signal of hydraulic fluid port C is less than setting value, then controller 1 will be controlled the 5th control gear 28 positive modulation joint reduction valve 29, heighten the pressure of hydraulic fluid port C, if the pressure signal of hydraulic fluid port C greater than setting value, is then oppositely regulated, finally make the pressure signal of hydraulic fluid port C reach setting value, this step has been realized the pressure setting of reduction valve 29;
(f) after the pressure signal for the treatment of hydraulic fluid port C reaches setting value, controller 1 sends signal, open solenoid valve 21, guide's electromagnetic proportional valve 17 simultaneously, make hydraulic fluid port P and hydraulic fluid port a oil-feed, make the electric-hydraulic proportion rotary valve be in right position, control second control device 15 and the 3rd control gear 25 are just changeing, and lock first relief valve 16 and second relief valve 26 respectively, this step has been realized the locking of first relief valve 16 and second relief valve 26, and the setting pressure that is about to first relief valve 16 and second relief valve 26 is transferred to maximum value;
(g) treat completing steps f after, controller 1 will send signal and give the 4th control gear 18, regulate main relief valve 19, the pressure that makes hydraulic fluid port P at P3-P4(wherein, P3 and P4 are predefined value, and regulate several times repeatedly between the P3＜P4), in the adjustment process, hydraulic fluid port P pressure fluctuation situation is analyzed, the pressure oscillating amount that guarantees hydraulic fluid port P is less than specified value, if oscillating quantity can not reach requirement, then fault database 7 provides that prompting is handled or the technician analyzes reason and handles that (concrete grammar of the above-mentioned process of regulating repeatedly and analyzing is with reference to step d), according to the force value of hydraulic fluid port P, main relief valve 19 set up in setting value at last, whether this step has been detected when regulating main relief valve 19 oil inlet P pressure stable, and realized the pressure setting to main relief valve 19;
(h) controller 1 cuts off the power supply for solenoid valve 24 energising t after second, and hydraulic fluid port P pressure should be able to rise to setting value in second at t1, repeated several times like this, and this step has been realized the detection to solenoid valve 24;
(i) controller 1 sends signal and gives second control device 15, regulate first relief valve 16, make hydraulic fluid port P pressure wherein at P5-P6(, P5 and P6 are predefined value, and several times repeatedly between the P5＜P6), it is steady that range request pressure is crossed in pressure regulation, oscillating quantity is less than specified value, if oscillating quantity can not reach requirement, then fault database 7 provides that prompting is handled or the technician analyzes reason and handles that (concrete grammar of the above-mentioned process of regulating repeatedly and analyzing is with reference to step d), at last with pressure setting in setting value, whether this step has been detected when regulating first relief valve 16 oil inlet P pressure stable, and realized the pressure setting to first relief valve 16;
(j) controller 1 sends signal, give guide's electromagnetic proportional valve 17 outages, give guide's electromagnetic proportional valve 27 energisings, make hydraulic fluid port P and hydraulic fluid port b oil-feed, controller 1 control the 3rd control gear 25, regulate second relief valve 26, make hydraulic fluid port P pressure several times repeatedly between P5-P6, it is steady that range request pressure is crossed in pressure regulation, oscillating quantity is less than specified value, if oscillating quantity can not reach requirement, then fault database 7 provides that prompting is handled or the technician analyzes reason and handles that (concrete grammar of the above-mentioned process of regulating repeatedly and analyzing is with reference to step d), at last with pressure setting in setting value, whether this step has been detected when regulating second relief valve 26 oil inlet P pressure stable, and realized the pressure setting to second relief valve 26;
(k) controller 1 gives guide's electromagnetic proportional valve 27 outages, give solenoid valve 13, solenoid valve 22, solenoid valve 31 energisings, from hydraulic fluid port T oil-feed, hydraulic fluid port A, hydraulic fluid port B open wide, hydraulic fluid port A, hydraulic fluid port B place flow transducer 14 and flow transducer 23 record flow value all should be greater than setting value, and this step has realized two the one-way valve performance detection in electro-hydraulic proportional valve inside;
(l) controller 1 sends signal, give solenoid valve 31 outages earlier, increase the electric current of guide's electromagnetic proportional valve 17 more gradually, whether detect hydraulic fluid port A flow increases with the increase of electric current, when reaching the maximum current of setting, flow transducer 14 detected peak rate of flow should in like manner be regulated the size of current of guide's electromagnetic proportional valve 27 greater than setting value, flow transducer 23 detects hydraulic fluid port B flow situation, and whether the function that this step has been detected electro-hydraulic proportional valve meets the requirements;
(m) treat that the above-mentioned steps operation finishes, after all parameters are all qualified, controller 1 will trigger output unit 9 printed product conformity certificate as a result, controller 1 is with important parameter, it is the final setting of back pressure valve 12, first relief valve 16, second relief valve 26, main relief valve 19, reduction valve 29, the peak flow values of hydraulic fluid port A, hydraulic fluid port B stores in the database, and this step has been realized the printing of the quality certificates and the storage of important parameter.
Be appreciated that above-mentioned detection and debug process to hydrovalve 10 can will detect and the debugging step order can be adjusted.Be appreciated that described each electronic rotary spanner can be replaced by other performers, even can manually replace by the people, if its can each corresponding block of valve is tight, unclamp, and value is set up and is got final product as requested.In addition, there is not the restriction of strictness, as long as need the parameter of measurement can both measure at last for the measurement sequencing of the above-mentioned parameter that respectively measures.
Automatic detection debug system of the present invention and method have following beneficial effect:
1, the automation of whole detection debug process is finished, and has shortened and has detected the needed time of debugging, has improved the efficient that detects debugging, and directly printed product verification of conformity is very convenient simultaneously;
What 2, test macro adopted is the higher sensor of precision, and test data is accurate;
3, the operation of hydraulic valve, detection, judge are finished automatically by program, reduced testing staff's human factor to the impact of test result, and just meeting printed product verification of conformity after every test parameter all reaches requirement has prevented that effectively the accident of substandard product from flowing out;
4, can automatically record various significant datas and file, make Product Quality Evaluation realize the digitlization of performance, archive data to hydraulic valve from now on maintenance and the improvement of valve performance directive significance is arranged;
5, the preferential employing based on the virtual instrument of the PC core processor as performer control and signal analysis is convenient to the expansion optimization of function, and strong adaptability has reduced the development cost of test macro to a certain extent;
6, have the product bug storehouse, the source of trouble and the recovery scenario of defective product are pointed out, accelerated the speed that the operator handles problems, and can at any time correct, add the product bug storehouse, made things convenient for the perfect of product bug storehouse.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (19)
1. the automatic detection debug system of a hydrovalve, it is characterized in that, comprise controller (1), signal output module (2), signal amplification module (3), signals collecting sensor (5), signal acquisition module (6) and performer (4), controller (1) and signal output module (2), signal amplification module (3), performer (4) is electrically connected successively, performer (4) is installed on the working state controlling component of hydrovalve to be measured (10), signals collecting sensor (5) is installed on the test port of the various parameters of hydrovalve to be measured (10), and signals collecting sensor (5) is electrically connected by signal acquisition module (6) and controller (1).
2. the automatic detection debug system of a kind of hydrovalve according to claim 1, it is characterized in that one or more being integrated together in signal output module of described automatic detection debug system (2) and controller (1), signal amplification module (3), the performer (4).
3. automatic detection debug system according to claim 1, it is characterized in that one or more being integrated together in the signal amplification module (3) of described automatic detection debug system and controller (1), signal output module (2), the performer (4).
4. automatic detection debug system according to claim 1 is characterized in that the signal acquisition module of described automatic detection debug system (6) is integrated into controller (1).
5. automatic detection debug system according to claim 1 is characterized in that, described controller (1) also comprises the fault database (7) of storage failure reason and/or fault solution, and the database (8) that is used to store important test data.
6. automatic detection debug system according to claim 1 is characterized in that, described automatic detection debug system also comprises output unit (9) as a result, and described output unit as a result (9) is electrically connected with controller (1).
7. automatic detection debug system according to claim 1 is characterized in that described performer (4) comprises at least one in solenoid valve, guide's electromagnetic proportional valve, electronic rotary spanner, the electrically controlled manipulation bar.
8. automatic detection debug system according to claim 1 is characterized in that described signals collecting sensor (5) comprises at least one in pressure transducer, flow transducer, current sensor, the displacement transducer.
9. automatic detection debug system according to claim 1 is characterized in that, described hydrovalve to be measured (10) comprises filler opening (P), first actuator port (A), second actuator port (B), control port (C) and return opening (T); Described automatic detection debug system also comprises back pressure valve (12), first relief valve (16), second relief valve (26), main relief valve (19), the first guide proportion valve (17), the second guide proportion valve (27), reduction valve (29); Back pressure valve (12) one ends and return opening (T) UNICOM, the other end is by the valve core of main valve and filler opening (P) UNICOM of hydrovalve (10), the two ends of first relief valve (16) and second relief valve (26) respectively with first actuator port (A) and second actuator port (B) UNICOM, main relief valve (19) two ends respectively with filler opening (P) and return opening (T) UNICOM, reduction valve (29) two ends respectively with filler opening (P) and guide proportion valve (17,27) oil-feed oil duct UNICOM, guide proportion valve (17,27) an other end respectively with main valve valve rod two ends (a, b) UNICOM; Described automatic detection debug system comprises the solenoid valve (21) that links to each other with filler opening (P), pressure transducer (20), the solenoid valve (13) that links to each other with first actuator port (A), flow transducer (14), the solenoid valve (22) that links to each other with second actuator port (B), flow transducer (23), the pressure transducer (30) that links to each other with control port (C), the solenoid valve (31) that links to each other with return opening (T), described automatic detection debug system also comprises first control device (11), second control device (15), the 3rd control gear (25), the 4th control gear (18), the 5th control gear (28) is used for setting up back pressure valve (12) respectively, first relief valve (16), second relief valve (26), main relief valve (19), the setting pressure of reduction valve (29).
10. automatic detection debug system according to claim 9 is characterized in that, described the first, second, third, fourth, the 5th control gear is electronic rotary spanner.
11. the automatic detection adjustment method of a hydrovalve is characterized in that step is as follows:
(1) controller (1) sends control signal to performer (4);
(2) control signal actuate actuators part (4) action, performer (4) is controlled the various working staties of hydrovalve to be measured (10);
(3) when controller (1) is controlled hydrovalve to be measured (10) working state, signals collecting sensor (5) is tested at least one parameter in the pressure, flow, electric current, displacement Several Parameters of hydrovalve to be measured (10), and the signal that will test is transferred to signal acquisition module (6), is transferred to controller (1) again after signal acquisition module (6) transforms signal;
(4) controller (1) is controlled hydrovalve to be measured (10) and is carried out exercises and be transformed under the various working staties, and the scope that is provided with the test signal under the various working staties and each parameter compares simultaneously;
(5) as survey data c during greater than preset range maximum value b or less than preset range minimum value a, controller (1) will be selected the reason that may produce this situation and recovery scenario (1001) or (1002) and be prompted to the operator from the fault database (7) of storage failure reason, when the operator can not finish reparation according to prompting, then the fault of hydrovalve to be measured (10) is analyzed by the technician.
12. automatic detection adjustment method according to claim 11 is characterized in that,
In described (4) step, when result that the scope that is provided with the test signal under the various working staties and each parameter compares is when recording in the scope of value c between preset range a-b of signal, controller (1) will be controlled hydrovalve to be measured (10) and run to next working state and detect; The result who compares when the scope that is provided with the test signal under the various working staties and each parameter is that survey data c is during greater than preset range maximum value b or less than preset range minimum value a, the operator according to fault database (7) prompting or self analyze finish reparation after, controller (1) is controlled hydrovalve to be measured (10) again and is run to next operating mode and detect.
13. according to claim 11 or 12 described automatic detection adjustment methods, it is characterized in that, when the technician analyzes the new failure cause that do not have in the former fault database (7) and/or solution, new failure cause and/or solution are stored in the fault database (7).
14. according to any described automatic detection adjustment method in the claim 11 to 13, it is characterized in that variety of issue all solves and finishes, when the various parameters that obtain when test all meet the requirements, controller (1) just can trigger output unit (9) as a result, printed product conformity certificate.
15., it is characterized in that controller (1) screens test data, and the significant data of being tested is stored in the database (8) according to any described automatic detection adjustment method in the claim 11 to 14.
16. automatic detection adjustment method according to claim 11 is characterized in that, described automatic detection adjustment method is further comprising the steps of:
The control signal that controller (1) sends is exported by control signal output module (2), and is transferred to control signal amplification module (3); And/or signal acquisition module (6) transforms the signal that signal emitter (5) records, and the signal after will transforming again is transferred to controller (1).
17. automatic detection adjustment method according to claim 11, it is characterized in that, described hydrovalve comprises filler opening (P), first actuator port (A), second actuator port (B), control port (C), return opening (T), and described automatic detection debug system also comprises back pressure valve (12), first relief valve (16), second relief valve (26), main relief valve (19), the first guide proportion valve (17), the second guide proportion valve (27), reduction valve (29); Back pressure valve (12) one ends and return opening (T) mouthful UNICOM, the other end is by the valve core of main valve and filler opening (P) UNICOM of hydrovalve to be measured (10), the two ends of first relief valve (16) and second relief valve (26) respectively with first actuator port (A) and second actuator port (B) UNICOM, main relief valve (19) two ends respectively with filler opening (P) and return opening (T) UNICOM, reduction valve (29) two ends respectively with filler opening (P) and guide's electromagnetic proportional valve (17,27) oil-feed oil duct UNICOM, guide's electromagnetic proportional valve (17,27) an other end respectively with main valve valve rod two ends (a, b) UNICOM, described automatic detection adjustment method may further comprise the steps:
(a) make filler opening (P) oil-feed;
(b) controller (1) sends signal, and main relief valve (19) pressure that will be arranged between filler opening (P) and the return opening (T) is transferred to maximum value;
(c) pressure transducer (20) is gathered the pressure signal of filler opening (P), if pressure signal is between P1-P2, controller sends signal, regulate the back pressure valve (12) that connects return opening, filler opening (P) pressure is risen, when the pressure signal of filler opening (P) reaches P2, controller (1) sends signal, turn down the pressure of filler opening (P), when the pressure signal of filler opening (P) arrived P1, controller (1) sent signal, heightens the pressure of filler opening (P) again, so repeatedly, at last with the position of back pressure valve pressure setting at (P1+P2)/2 ± △ P; If main relief valve (19) locking back pressure transducer (20) collects the pressure signal of filler opening (P) not between P1-P2, be lower than P1 or be higher than P2 according to pressure signal, the pressure signal of regulating filler opening (P) respectively carries out above-mentioned action again after between the P1-P2;
(d) in step (c), adjust repeatedly in the process of back pressure valve, controller is done difference relatively with the numerical value that pressure transducer (20) collects the pressure signal of filler opening, if the absolute value of difference is less than specified value, represent that then variation in pressure is steady, adhere to specification, then proceed following detection, if the absolute value of difference is greater than specified value, represent that then variation in pressure is not steady, fault database (7) will provide prompting, prompting operation person carries out coherent detection, for example makes the operator check whether defectiveness of back pressure valve (12); If the equal zero defect of prompting that fault database provides is then analyzed fault by the technician, and solve fault, pending fault stores new failure cause and solution in the fault database into after solving;
(e) treat that the pressure setting of back pressure valve (12) is behind (P1+P2)/2 ± △ P, pressure transducer (30) compares the pressure signal and the setting value of the control port (C) of collection, if the pressure signal of control port (C) is less than setting value, then controller will be controlled the positive modulation joint of electronic rotary spanner (28) reduction valve (29), heighten the pressure of control port (C), if the pressure signal of hydraulic fluid port (C) is greater than setting value, then oppositely regulate, finally make the pressure signal of control port (C) reach setting value, this step has been realized the pressure setting of reduction valve (29);
(f) after the pressure signal of hydraulic fluid port to be controlled (C) reaches setting value, controller sends signal, make hydraulic fluid port (P) and hydraulic fluid port (a) oil-feed, and the setting pressure of regulating first relief valve (16) that is connected in parallel between first actuator port (A) and second actuator port (B) and second relief valve (26) is to maximum value;
(g) treat completing steps (f) after, controller (1) will send signal, regulate main relief valve (19), make the pressure of filler opening (P) between P3-P4, regulate several times repeatedly, in the adjustment process, filler opening pressure fluctuation situation is analyzed, the pressure oscillating amount that guarantees filler opening is less than specified value, if oscillating quantity can not reach requirement, then fault database (7) provides that prompting is handled or the technician analyzes reason and handles, last force value according to filler opening, main relief valve (19) is set up in setting value, whether this step has been detected when regulating main relief valve (19) filler opening (P) pressure stable, and realized the pressure setting to main relief valve (19);
(h) controller (1) is given solenoid valve (24) signal that is connected in parallel between first actuator port (A) and second actuator port (B), t cut off the power supply after second to its energising, can the pressure that detect filler opening (P) rise to setting value at t1 in second, so repeated several times has realized the detection to solenoid valve (24);
(i) controller (1) sends signal, regulate first relief valve (16), the pressure that makes filler opening (P) is between P5-P6, adjust several times repeatedly, it is steady that range request filler opening pressure is crossed in pressure regulation, oscillating quantity is less than specified value, if oscillating quantity can not reach requirement, then fault database (7) provides that prompting is handled or the technician analyzes reason and handles, at last with pressure setting in setting value, whether this step has been detected when regulating first relief valve (16) filler opening (P) pressure stable, and realized the pressure setting to relief valve (16);
(j) controller (1) sends signal, give guide's electromagnetic proportional valve (17) outage, give guide's electromagnetic proportional valve (27) energising, make filler opening (P) and second actuator port (B) oil-feed, controller (1) regulating and controlling second relief valve (26), make filler opening (P) pressure several times repeatedly between P5-P6, it is steady that range request filler opening (P) pressure is crossed in pressure regulation, oscillating quantity is less than specified value, if oscillating quantity can not reach requirement, then fault database (7) provides that prompting is handled or the technician analyzes reason and handles, at last with pressure setting in setting value, whether this step has been detected when regulating second relief valve (26) filler opening (P) pressure stable, and realized the pressure setting to second relief valve (26);
(k) controller (1) is given guide's electromagnetic proportional valve (27) outage, and control is from return opening (T) oil-feed, first actuator port (A), second actuator port (B) open wide, first actuator port (A), second actuator port (B) locate flow transducer (14) and flow transducer (23) record flow value all should be greater than setting value, this step has realized two the one-way valve performance detection in electro-hydraulic proportional valve inside;
(l) controller (1) sends signal, give solenoid valve (31) outage earlier, increase the electric current of guide's electromagnetic proportional valve (17) more gradually, whether the flow that detects first actuator port increases with the increase of electric current, when reaching the maximum current of setting, the detected peak rate of flow of flow transducer (14) should be greater than setting value, in like manner regulate the size of current of guide's electromagnetic proportional valve (27), flow transducer (23) detects the flow situation of second actuator port (B), and whether the function that this step has been detected electro-hydraulic proportional valve meets the requirements.
18. automatic detection adjustment method according to claim 17, it is characterized in that, described automatic detection adjustment method also comprises step (m): treat that the operation of above-mentioned (a)-(l) step finishes, after all parameters are all qualified, controller will trigger output unit 9 printed product conformity certificate as a result, controller (1) is with important parameter, be back pressure valve (12), first relief valve (16), second relief valve (26), main relief valve (19), the final setting of reduction valve (29), first actuator port (A), the peak flow values of second actuator port (B) stores in the database (7), and this step has been realized the printing of the quality certificates and the storage of important parameter.
19. automatic detection adjustment method according to claim 11 is characterized in that, in the described automatic detection adjustment method:
Controller (1) makes the filler opening oil-feed is by giving solenoid valve (21) energising, and solenoid valve (21) is opened and realized;
It is to send signal by controller (1) that the pressure of main relief valve (19) is regulated, and gives electronic rotary spanner (18) energising, and its forward or reverse is realized;
It is to send signal by controller (1) that the pressure of back pressure valve (12) is regulated, and gives electronic rotary spanner (11) energising, and its forward or reverse is realized;
The pressure adjusting of reduction valve (29) is controlled the positive modulation joint reduction valve of electronic rotary spanner (28) (29) by controller (1) and is regulated;
It is that forward or reverse by controller (1) signals to electronic rotary spanner (15) and electronic rotary spanner (25) is realized that the pressure of first relief valve (16) and second relief valve (26) is regulated.
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