Invention content
It is independent mutually between various pilot projects in order to solve existing solenoid valve, be required for before each experiment pairThe technical issues of product rewiring, the present invention provide a kind of solenoid valve electric property detection device.
Technical solution of the invention is：
Solenoid valve electrical property full-automation detection device, is characterized in that：Including industrial personal computer, number milling machine case, can compileProcess control linear power supply, voltage and current acquisition module, Switching Power Supply, pressure-resistant insulation tester, digital multimeter, photoelectrical couplerMatrix, relay matrix and solenoid valve clamping connecting terminal；
Several milling machine casees include that AI numbers adopt module, AO output modules and DI/O modules；
The industrial personal computer is connect by AO output modules with PLC technology linear power supply, for making programmable control producing linearPower supply generates the voltage for electromagnetism valve events to be tested；
The PLC technology linear power supply is connect by voltage and current acquisition module with relay matrix, is electricity to be testedSolenoid valve；
The output voltage and solenoid valve to be measured of the voltage and current acquisition module acquisition PLC technology linear power supply are at thisCurrent value under supply voltage, and module feedback is adopted to industrial personal computer by AI numbers；
The Switching Power Supply adopts the power supply of module for voltage and current acquisition module and AI numbers；
The pressure resistance insulation tester, digital multimeter and industrial personal computer connect, and the industrial personal computer is to pressure-resistant insulation testerAnd digital multimeter carries out control and digital independent is shown；
The photoelectrical coupler matrix includes multiple photoelectricity for controlling each relay on-off electricity in relay matrixCoupler；
The switching value that the industrial personal computer passes through each photoelectrical coupler in DI/O module controls photocell coupler matrixes；
Relay construction in the relay matrix is identical, and relay matrix includes level-one relay, two level relayAnd three-level relay, the level-one relay include relay KF4, relay KF25, relay KF29 and relay KF31；TwoGrade relay includes relay KF6, relay KF7 and relay KF43；Three-level relay includes relay KF9 and relayKF10；
Each relay includes fixed contact group, normally-closed contact group and normally opened contact group, and fixed contact group includes fixingContact 9, fixed contact 10, fixed contact 11, fixed contact 12, normally-closed contact group includes normally-closed contact 1, normally-closed contact 2, normally closedContact 3 and normally-closed contact 4, normally opened contact group include normally opened contact 5, normally opened contact 6, normally opened contact 7 and normally opened contact 8, are fixedContact 9 corresponds to normally-closed contact 1 and normally opened contact 5, and fixed contact 10 corresponds to normally-closed contact 2 and normally opened contact 6, fixed contact 11 are rightNormally-closed contact 3 and normally opened contact 7, fixed contact 12 is answered to correspond to normally-closed contact 4 and normally opened contact 8；
The solenoid valve clamping connecting terminal includes A+ terminals, B+ terminals, C- terminals and D- terminals；
Fixed contact 9, fixed contact 10, fixed contact 11, the fixed contact 12 of the relay KF25 is right successively respectivelyIt should be connect with the A+ terminals of solenoid valve clamping connecting terminal, B+ terminals, C- terminals and D- terminals；The relay KF25's is normally closedContact 1 is connect with the fixed contact 9 of normally opened contact 6 and relay KF4；The normally-closed contact 4 of the relay KF25 is touched with normally openedThe fixed contact 12 of point 7 and relay KF4 connect；Normally-closed contact 2, normally-closed contact 3, the normally opened contact 5 of the relay KF25It is hanging with normally opened contact 8；
The fixed contact 10 of the relay KF4 is connect with B+ terminals, the fixed contact 11 and electromagnetism of the relay KF4The C- terminals of valve clamping connecting terminal connect, and the normally-closed contact group of the relay KF4 is hanging；The relay KF4's is normally openedContact 5 and normally opened contact 6 are connect with the fixed contact 9 of relay KF6 and fixed contact 10, normally opened contact 7 and relay KF7'sFixed contact 9 connects, and normally opened contact 8 is connect with the fixed contact 10 of relay KF7；
The fixed contact 9 of the relay KF29 is connect with the fixed contact 9 of relay KF4；The relay KF29'sFixed contact 10 is connect with the fixed contact 10 of relay KF4；The fixed contact 11 and fixed contact 12 of the relay KF29Vacantly；The normally-closed contact group of the relay KF29 is hanging；The normally opened contact 5 of the relay KF29 is consolidated with relay KF6'sFixed contact 9 connects, and the normally opened contact 6 of the relay KF29 is connect with the fixed contact 9 of relay KF7 and fixed contact 10,The normally opened contact 7 and normally opened contact 8 of the relay KF29 is hanging；
The fixed contact 9 of the relay KF31 is connect with the fixed contact 11 of relay KF4；The relay KF31'sFixed contact 10 is connect with the fixed contact 12 of relay KF4；The fixed contact 11 and fixed contact 12 of the relay KF31Vacantly；The normally-closed contact group of the relay KF31 is hanging；The normally opened contact 5 of the relay KF31 is consolidated with relay KF6'sFixed contact 9 connects, and the normally opened contact 6 of the relay KF31 is connect with the fixed contact 9 of relay KF7 and fixed contact 10,The normally opened contact 7 and normally opened contact 8 of the relay KF31 is hanging；
The fixed contact 11 of the relay KF6 connects DI/O module trigger voltages, and the fixed contact of the relay KF6 is solidFixed contact 12 is hanging, and the normally-closed contact 1 of the relay KF6 is connect with the ends V+ of voltage and current acquisition module, the relayThe normally-closed contact 2 of KF6, normally-closed contact 3, normally-closed contact 4 and normally opened contact 8 are hanging, the normally opened contact 5 of the relay KF6 withThe fixed contact 9 of relay KF9 and the fixed contact 9 of relay KF10 connect, the normally opened contact 6 of the relay KF6 with afterThe fixed contact 10 of electric appliance KF9 and the fixed contact 10 of relay KF10 connect；The normally opened contact 7 of the relay KF6 with afterThe fixed contact 11 of electric appliance KF9 connects；
The fixed contact 11 and fixed contact 12 of the relay KF7 are hanging, the normally-closed contact 1 of the relay KF7 withThe ends V- of voltage and current acquisition module connect, the normally-closed contact 2 of the relay KF7, normally-closed contact 3, normally-closed contact 4, normally openedContact 7 and normally opened contact 8 are hanging, the normally opened contact 5 of the relay KF7 and the fixed contact 9 of relay KF9, relayThe fixed contact 9 of KF10 and the fixed contact 9 of relay KF43 connect, the normally opened contact 6 and relay of the relay KF7The fixed contact 10 of the fixed contact 10 of KF9, the fixed contact 10 of relay KF10 and relay KF43 connects；
The fixed contact 9 and normally opened contact 7 of the relay KF43 connects, 10 He of fixed contact of the relay KF43Fixed contact 11 connects；Normally-closed contact group, normally opened contact 5, normally opened contact 6 and the normally opened contact 8 of relay KF43 is hanging；
The normally-closed contact 1 of the relay KF9 is connect with the ends Vs+ of digital multimeter, and the normally closed of the relay KF9 is touchedIt puts 2 to connect with the ends Ex+ of digital multimeter, normally-closed contact 3, normally-closed contact 4, normally opened contact 8 and the fixation of the relay KF9Contact 12 is hanging, the V+ of the normally opened contact 5 of the relay KF9 and the normally opened contact 6 of relay KF9 and pressure-resistant insulation testerEnd connection, the normally opened contact 7 of the relay KF9 is for exporting DI/O module trigger voltages, the DI/O modules trigger voltageFor triggering DI/O modules, the industrial personal computer detects that DI/O modules are triggered laggard horizontal high voltage warning；
The fixed contact 11 and fixed contact 12 of the relay KF10 is hanging, the normally-closed contact 1 of the relay KF10It is connect with the ends Vs- of digital multimeter, the normally-closed contact 2 of the relay KF10 is connect with the ends Ex- of digital multimeter, describedThe normally opened contact 5 of relay KF10 and the normally opened contact 6 of relay KF10 are connect with the ends V+ of pressure-resistant insulation tester.
Further, to do electromagnetism valve chest and valve body experiment, the device of the invention further includes shell connecting terminal and valveBody connecting terminal；
The relay matrix further includes relay KF23 identical with relay KF4 structures, the photoelectrical coupler squareBattle array further includes the photoelectrical coupler KF22 for controlling relay KF23 power on/off,
The normally-closed contact 1 of the relay KF23 is connect with shell connecting terminal, the normally opened contact 5 of the relay KF23It is connect with valve body connecting terminal, the fixed contact 9 of the relay KF23 is connect with the ends V- of pressure-resistant insulation tester, remaining is touchedPoint is hanging.
Further, it is the test for realizing to latching valve, solenoid valve electrical property full-automation detection device of the invention, alsoIncluding latching valve clamping terminal, the latching valve clamping terminal includes the ends A1, the ends A, altogether end, totally 1 end, the ends B and the ends B1；
The level-one relay further includes relay KF12, and two level relay further includes relay KF27 and relayKF14, the photoelectrical coupler matrix further include for controlling relay KF12, relay KF27 and relay KF14 power on/offMultiple photoelectrical couplers；
The fixed contact 9 of the relay KF12 is connect with the ends A, and the fixed contact 10 of relay KF12 holds connection together,1 connection, the fixed contact 12 of relay KF12 are connect the fixed contact 11 of relay KF12 with B together, the relay KF12Normally-closed contact group it is hanging, the normally opened contact 5 of the relay KF12 is connect with the fixed contact 9 of relay KF27, it is described afterThe normally opened contact 6 of electric appliance KF12 is connect with the fixed contact 10 of relay KF27, the normally opened contact 7 of the relay KF12 with afterThe fixed contact 11 of electric appliance KF27 connects, and the normally opened contact 8 of the relay KF12 connects with the fixed contact 12 of relay KF27It connects；
The normally-closed contact 1 of the relay KF27 is connect with the fixed contact 9 of relay KF14, the relay KF27'sNormally-closed contact 2 is connect with the fixed contact 10 of relay KF14, the normally-closed contact 3 and relay KF14's of the relay KF27Fixed contact 11 connects, and the normally-closed contact 4 of the relay KF27 is connect with the fixed contact 12 of relay KF14, the relayThe normally opened contact group of device KF27 is hanging；
Normally-closed contact 1, normally opened contact 6, normally opened contact 7 and the normally-closed contact 4 of the relay KF14 is and voltage and currentThe ends V- of acquisition module connect, normally opened contact 5, normally-closed contact 2, normally-closed contact 3 and the normally opened contact 8 of relay KF14 with electricityThe ends V+ of current voltage acquisition module connect.
Further, the level-one relay further includes relay KF16 and relay KF18, and three-level relay further includesRelay KF20 and relay KF21；The photoelectrical coupler matrix further include for control relay KF16, relay KF18,Multiple photoelectrical couplers of relay KF20 and relay KF21 power on/off；
The fixed contact 9 of the relay KF16 is connect with the ends A1, and the fixed contact 10 of relay KF16 is connect with the ends A,The fixed contact 11 of relay KF16 holds connection together, and 1 end connects the fixed contact 12 of relay KF16 together；The relayThe normally-closed contact group of KF16 is hanging, and the normally opened contact 5 of the relay KF16 is connect with the fixed contact 9 of relay KF20, instituteThe normally opened contact 6 for stating relay KF16 is connect with the fixed contact 10 of relay KF20, the normally opened contact 7 of the relay KF16It is connect with the fixed contact 9 of relay KF21, the normally opened contact 8 of the relay KF16 and the fixed contact 10 of relay KF21Connection；
The fixed contact 9 of the relay KF18 holds connection together, the fixed contact 10 of the relay KF18 1 end togetherConnection, the fixed contact 11 of the relay KF18 are connect with the ends B, and fixed contact 12 and the ends B1 of the relay KF18 connectIt connects, the normally-closed contact group of the relay KF18 is hanging, the fixation of the normally opened contact 5 and relay KF20 of the relay KF18Contact 9 connects, and the normally opened contact 6 of the relay KF18 is connect with the fixed contact 10 of relay KF20, the relayThe normally opened contact 7 of KF18 is connect with the fixed contact 9 of relay KF21, the normally opened contact 8 and relay of the relay KF18The fixed contact 10 of KF21 connects；
The fixed contact 11 of the relay KF20 connects DI/O module trigger voltages, the fixed contact of the relay KF2012 is hanging, and the normally-closed contact 1 of the relay KF20 meets digital multimeter Vs+, and the normally-closed contact 2 of the relay KF20 connects numberThe normally opened contact 5 and normally opened contact 6 of word multimeter Ex+, the relay KF20 connect pressure-resistant insulation tester V+, the relayThe normally opened contact 7 of KF20 is used to trigger DI/O modules for exporting DI/O module trigger voltages, the DI/O modules trigger voltage,The industrial personal computer detects that DI/O modules are triggered the warning of laggard horizontal high voltage；
The fixed contact 11 and fixed contact 12 of the relay KF21 is hanging, the normally-closed contact 1 of the relay KF21The normally-closed contact 2 for meeting digital multimeter Vs-, the relay KF21 meets digital multimeter Ex-, and the relay KF21's is normally openedContact 5 and normally opened contact 6 meet pressure-resistant insulation tester V+, and the normally-closed contact 3 of the relay KF21, normally opened touches normally-closed contact 4Point 7 and normally opened contact 8 are hanging.
Further, the level-one relay further includes relay KF33；The photoelectrical coupler matrix further includes being used forControl the photoelectrical coupler of relay KF33 power on/off；
The fixed contact 9 of the relay KF33 is connect with the ends A1, and fixed contact 10 and the ends A of the relay KF33 connectIt connects, the normally opened contact 5 of the relay KF33 is connect with the fixed contact 9 of relay KF20 and fixed contact 10, the relayThe normally opened contact 6 of device KF33 is connect with the fixed contact 9 of relay KF21 and fixed contact 10, the fixation of the relay KF33Contact 11, fixed contact 12, normally-closed contact 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact8 is hanging；
Further, the level-one relay further includes relay KF35；The photoelectrical coupler matrix further includes being used forControl the photoelectrical coupler of relay KF35 power on/off；
The fixed contact 9 of the relay KF35 holds connection together, the fixed contact 10 of the relay KF35 1 end togetherConnection, the normally opened contact 5 of the relay KF35 are connect with the fixed contact 9 of relay KF20, and the relay KF35's is normalContact 6 is opened to connect with the fixed contact 9 of relay KF21, it is the fixed contact 11 of the relay KF35, fixed contact 12, normally closedContact 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.
Further, the level-one relay further includes relay KF37；The photoelectrical coupler matrix further includes being used forControl the photoelectrical coupler of relay KF37 power on/off；
The fixed contact 9 of the relay KF37 is connect with the ends B, and fixed contact 10 and the ends B1 of the relay KF37 connectIt connects, the normally opened contact 5 of the relay KF37 is connect with the fixed contact 9 of relay KF20, and the relay KF35's is normally openedContact 6 is connect with the fixed contact 9 of relay KF21, and the fixed contact 11 of the relay KF37, normally closed is touched fixed contact 12Point 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.
Further, the level-one relay further includes relay KF39；The photoelectrical coupler matrix further includes being used forControl the photoelectrical coupler of relay KF39 power on/off；
The fixed contact 9 of the relay KF39 is connect with the ends A, the fixed contact 10 of the relay KF39 company of end togetherIt connects, the normally opened contact 5 of the relay KF39 is connect with the fixed contact 9 of relay KF20, and the relay KF35's is normally openedContact 6 is connect with the fixed contact 9 of relay KF21, and the fixed contact 11 of the relay KF39, normally closed is touched fixed contact 12Point 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.
Further, the level-one relay further includes relay KF41；The photoelectrical coupler matrix further includes being used forControl the photoelectrical coupler of relay KF39 power on/off；
1 end connects the fixed contact 9 of the relay KF41 together, fixed contact 10 and the ends B of the relay KF41Connection, the normally opened contact 5 of the relay KF41 are connect with the fixed contact 9 of relay KF20, and the relay KF41's is normalContact 6 is opened to connect with the fixed contact 9 of relay KF21, it is the fixed contact 11 of the relay KF41, fixed contact 12, normally closedContact 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.
Further, the DI/O modules trigger voltage is+5V.
Compared with the prior art, the invention has the advantages that：
1, solenoid valve electrical property full-automation detection device of the invention controls internal relay matrix by industrial personal computer and cutsThe different tests project switching, it can be achieved that same subject valve is changed, subject valve only carries out a cable clamping with the present apparatus, i.e.,It is (unloaded can to complete coil resistance, conducting resistance, insulation resistance, electric strength, pick-up voltage (unloaded and with carry), release currentWith with carrying), maintenance voltage (unloaded and with carry), the response time (unloaded and with carry), coil temperature rise inspection experiment, eliminate notIt is former to effectively reduce manual operation as long as 1 testing crew can be completed to test with the work of the indirect thread-changing of pilot projectThe error rate of cause improves test efficiency and quality.
2, solenoid valve electrical property full-automation detection device of the invention, can be widely used in multiple types valve, wrapInclude that two-wire system solenoid valve, four-wire system solenoid valve, four-wire system are total to "+" latching valve, four-wire system is total to "-" latching valve, seven line systems be total to "+" fromLocking-valve, seven line systems are total to "-" latching valve.
3, solenoid valve electrical property full-automation detection device of the invention is securely and reliably embodied in：
The relay matrix design of the present invention is divided into three-level, is divided according to different electrical performance test types are controlled.EvenThe relay for connecing fast inserting folder terminal is known as first order relay, and first order relay mainly executes defencive function, to operatorAnd experimental rig plays insulation blocking；All wiring are in normally opened contact, when relay powers off, it is ensured that do not export externally；When carrying out variety classes pilot solenoid valve, it is ensured that the completely isolated no output of terminal of idle experiment.First order relayOutput end is connected to fast insertion terminal.Input terminal only connects normally opened contact, and normally-closed contact is hanging.Second level relay output end connectionThe normally-closed contact of first order relay normally open contact, second level relay connects solenoid voltage current acquisition module output end,For doing by the pick-up voltage (unloaded and with carry) of trial product, release current (unloaded and with carry), maintenance voltage (unloaded and bandCarry), response time (unloaded and with carry) experiment etc..
The output end of the normally opened contact connection third level relay of second level relay.The normally-closed contact of third level relayDigital multimeter is connected, is tested by the coil resistance of trial product and conducting resistance etc. using four line measuring resistance modes.The third level afterThe anode output of the pressure-resistant insulation tester of normally opened contact connection of electric appliance, at the same it is anti-when having a pair of pressure-resistant insulation tester workFeedback contact portion to number adopts equipment, is shown during the test as high voltage conduction alarm signal；Pressure-resistant insulation tester is bornEnd output is connected to shell by relay respectively, terminal is pressed from both sides in the fast inserting of valve body.
4, solenoid valve electrical property full-automation detection device of the invention, safe and reliable in the every test of satisfaction and guaranteeIn the case of, designed relay matrix is most simple, is embodied in：
By internal relay Inverse problem, solenoid valve and latching valve selection switching can be carried out, latching valve can be total to"+" and the altogether test of "-" valve transfer, realize in cabinet relay and cable by high-voltage signal and weak electric signal time-sharing multiplex, can be completeAt the pilot project of solenoid valve, latching valve difference lead valve, experimental rig cost is reduced.
Such as when doing solenoid valve electrical performance test, when doing the experiment of solenoid valve pressure resistance Insulation test, need to connect relayKF4, KF7, KF10 need to connect solenoid valve KF4, KF6, KF7 when doing electromagnetic valve coil resistance test；It is tested at this twoIn, relay KF4, KF7 and its cable have taken into account the function of high-voltage signal and weak electric signal time-sharing multiplex.
Specific implementation mode
Below in conjunction with attached drawing 1-11 to a preferred embodiment of the present invention will be described in detail.
As shown in Figure 1, the solenoid valve electrical property full-automation detection device of the present invention include industrial personal computer, number milling machine case, canProgramming Control linear power supply, voltage and current acquisition module, Switching Power Supply, pressure-resistant insulation tester, digital multimeter, photoelectric couplingDevice matrix, relay matrix and clamping terminal；Number milling machine case includes that AI numbers adopt module, AO output modules and DI/O modules；Industry controlMachine is connect by AO output modules with PLC technology linear power supply, for making PLC technology linear power supply generate for be testedThe voltage of electromagnetism valve events；PLC technology linear power supply is connect by voltage and current acquisition module with relay matrix, to wait forTest solenoid valve power supply；The output voltage and solenoid valve to be measured of voltage and current acquisition module acquisition PLC technology linear power supply existCurrent value under the supply voltage, and module feedback is adopted to industrial personal computer by AI numbers；Switching Power Supply acquires mould for voltage and currentBlock and AI numbers adopt the power supply of module；Pressure-resistant insulation tester, digital multimeter and industrial personal computer connect, and industrial personal computer surveys pressure resistance insulationExamination instrument and digital multimeter carry out control and data are shown；Photoelectrical coupler matrix includes each in relay matrix for controllingMultiple photoelectrical couplers of relay on-off electricity；Industrial personal computer passes through each photoelectric coupling in DI/O module controls photocell coupler matrixesThe switching value of device.
As illustrated in figs. 2-7, solenoid valve electrical property automatic detection device connect clamping terminal with product and is divided into three groups；FirstThe fast inserting folder terminal of group aims at pilot solenoid valve design, and there are four connecting terminals, respectively A+ terminals, B+ terminals, C- terminals altogetherAnd D- terminals, A+ terminals, B+ terminals, C- terminals and D- terminals respectively corresponding contact 1 with 4 core solenoid valves, contact 2, contact 3 andContact 4 connects, wiring such as Fig. 4；Second group inserts folder terminal and includes two shell terminals, valve body terminals connecting terminals soon,Common terminal uses when doing pressure resistance, Insulation test as 4 core solenoid valves and 7 core latching valve products；Third group inserts folder terminal soonLatching valve experimental design is aimed at, altogether there are six connecting terminal, the respectively ends A1, the ends A, altogether end, totally 1 end, the ends B, the ends B1, this sixCorrespondence is connect connecting terminal with the contact 1 of 7 core latching valves, contact 2, contact 3, contact 4, contact 5 and contact 6 respectively.
The relay matrix design principle of the present invention is as shown in figure 8, relay matrix design is divided into three-level, not according to controlIt is divided with electrical performance test type.The relay of connection clamping terminal is known as first order relay, first order relay masterDefencive function is executed, insulation blocking is served to operator and experimental rig；All wiring are in normally opened contact, in relayWhen power-off, it is ensured that do not export externally；When carrying out variety classes pilot solenoid valve, it is ensured that the terminal of idle experiment is completely isolatedWithout output.The output end of first order relay is connected to the cabinet inner end of fast insertion terminal.Input terminal only connects normally opened contact, normally closed to touchPoint is hanging.
Second level relay output end connects first order relay normally open contact, the normally-closed contact connection of second level relayElectromagnetic valve circuit acquires output end, for doing by the pick-up voltage (unloaded and with carry) of trial product, release current (unloaded and bandCarry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment etc..The normally opened contact of second level relay connectsConnect the output end of third level relay.
The normally-closed contact of third level relay connects digital multimeter, is tested by trial product using four line measuring resistance modesCoil resistance and conducting resistance etc..The anode output of the pressure-resistant insulation tester of normally opened contact connection of third level relay, simultaneouslyThere is feedback contact when a pair of pressure-resistant insulation tester work to be connected to number and adopt equipment, is being tested as high voltage conduction alarm signalIt shows in the process；The negative terminal output of pressure-resistant insulation tester is connected to shell by relay respectively, end is pressed from both sides in the fast inserting of valve bodySon.
As shown in figs. 9-10, relay matrix of the invention includes level-one relay, two level relay and three-level relay,Level-one relay includes relay KF25, relay KF4, relay KF29, relay KF31, relay KF12, relayKF16, relay KF33, relay KF35, relay KF37, relay KF39, relay KF41 and relay KF18；Two levelRelay includes relay KF6, relay KF7, relay KF43, relay KF27 and relay KF14；Three-level relay packetInclude relay KF9, relay KF10, relay KF20 and relay KF21.Further include relay KF23.Each relay wrapsFixed contact group, normally-closed contact group and normally opened contact group are included, fixed contact group includes fixed contact 9, fixed contact 10, fixes and touchPoint 11, fixed contact 12, normally-closed contact group include normally-closed contact 1, normally-closed contact 2, normally-closed contact 3 and normally-closed contact 4, normally opened to touchPoint includes normally opened contact 5, normally opened contact 6, normally opened contact 7 and normally opened contact 8, and fixed contact 9 corresponds to normally-closed contact 1 and normally opened tactilePoint 5, fixed contact 10 correspond to normally-closed contact 2 and normally opened contact 6, and fixed contact 11 corresponds to normally-closed contact 3 and normally opened contact 7, GuFixed contact 12 corresponds to normally-closed contact 4 and normally opened contact 8.
Fixed contact 9, fixed contact 10, fixed contact 11, the fixed contact 12 of relay KF25 be corresponding in turn toA+ terminals, B+ terminals, C- terminals and the connection of D- terminals of solenoid valve clamping connecting terminal；The normally-closed contact 1 of relay KF25 withThe fixed contact 9 of normally opened contact 6 and relay KF4 connect；The normally-closed contact 4 of relay KF25 and normally opened contact 7 and relayThe fixed contact 12 of KF4 connects；Normally-closed contact 2, normally-closed contact 3, normally opened contact 5 and the normally opened contact 8 of relay KF25 is hanging.The fixed contact 10 of relay KF4 is connect with B+ terminals, fixed contact 11 and the solenoid valve clamping connecting terminal of relay KF4C- terminals connect, and the normally-closed contact group of relay KF4 is hanging；The normally opened contact 5 and normally opened contact 6 and relay of relay KF4The fixed contact 9 and fixed contact 10 of KF6 connects, and normally opened contact 7 is connect with the fixed contact 9 of relay KF7, normally opened contact 8It is connect with the fixed contact 10 of relay KF7.The fixed contact 9 of relay KF29 is connect with the fixed contact 9 of relay KF4；The fixed contact 10 of relay KF29 is connect with the fixed contact 10 of relay KF4；The fixed contact 11 of relay KF29 and solidFixed contact 12 is hanging；The normally-closed contact group of relay KF29 is hanging；The normally opened contact 5 of relay KF29 and consolidating for relay KF6Fixed contact 9 connects, and the normally opened contact 6 of relay KF29 is connect with the fixed contact 9 of relay KF7 and fixed contact 10, relayThe normally opened contact 7 and normally opened contact 8 of device KF29 is hanging.The fixed contact 9 of relay KF31 and the fixed contact 11 of relay KF4Connection；The fixed contact 10 of relay KF31 is connect with the fixed contact 12 of relay KF4；The fixed contact 11 of relay KF31And fixed contact 12 is hanging；The normally-closed contact group of relay KF31 is hanging；The normally opened contact 5 of relay KF31 and relay KF6Fixed contact 9 connect, the normally opened contact 6 of relay KF31 connect with the fixed contact 9 of relay KF7 and fixed contact 10,The normally opened contact 7 and normally opened contact 8 of relay KF31 is hanging.The fixed contact 11 of relay KF6 meets+5V voltages, relay KF6Fixed contact fixed contact 12 it is hanging, the normally-closed contact 1 of relay KF6 is connect with the ends V+ of voltage and current acquisition module, afterThe normally-closed contact 2 of electric appliance KF6, normally-closed contact 3, normally-closed contact 4 and normally opened contact 8 are hanging, the normally opened contact 5 of relay KF6 withThe fixed contact 9 of relay KF9 and the fixed contact 9 of relay KF10 connect, the normally opened contact 6 and relay of relay KF6The fixed contact 10 of KF9 and the fixed contact 10 of relay KF10 connect；The normally opened contact 7 of relay KF6 is with relay KF9'sFixed contact 11 connects.The fixed contact 11 and fixed contact 12 of relay KF7 is hanging, normally-closed contact 1 and the electricity of relay KF7The ends V- of current voltage acquisition module connect, the normally-closed contact 2 of relay KF7, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 andNormally opened contact 8 is hanging, the normally opened contact 5 of relay KF7 and the fixed contact 9 of relay KF9, the fixed contact of relay KF10The fixed contact 9 of 9 and relay KF43 connects, the normally opened contact 6 of relay KF7 and fixed contact 10, the relay of relay KF9The fixed contact 10 of device KF10 and the fixed contact 10 of relay KF43 connect.The fixed contact 9 of relay KF43 and it is normally opened touch7 connection of point, fixed contact 10 and fixed contact 11 connection of relay KF43；The normally-closed contact group of relay KF43, it is normally opened touchPoint 5, normally opened contact 6 and normally opened contact 8 are hanging.The normally-closed contact 1 of relay KF9 is connect with the ends Vs+ of digital multimeter, relayThe normally-closed contact 2 of device KF9 is connect with the ends Ex+ of digital multimeter, and the normally-closed contact 3 of relay KF9, normally opened touches normally-closed contact 4Point 8 and fixed contact 12 are hanging, the normally opened contact 5 of relay KF9 and the normally opened contact 6 of relay KF9 and pressure-resistant Insulation testThe ends V+ of instrument connect, and the normally opened contact 7 of relay KF9 is for exporting+5V voltages ,+5V voltage triggered DI/O modules, industry control machine examinationDI/O modules are measured to be triggered the warning of laggard horizontal high voltage.The fixed contact 11 and fixed contact 12 of relay KF10 is hanging, relayThe normally-closed contact 1 of device KF10 is connect with the ends Vs- of digital multimeter, normally-closed contact 2 and the digital multimeter of relay KF10The ends Ex- connect, the ends V+ of the normally opened contact 5 of relay KF10 and the normally opened contact 6 of relay KF10 and pressure-resistant insulation testerConnection.The normally-closed contact 1 of relay KF23 is connect with shell connecting terminal, normally opened contact 5 and the valve body wiring of relay KF23Terminal connects, and the fixed contact 9 of relay KF23 is connect with the ends V- of pressure-resistant insulation tester, remaining contact is hanging.RelayThe fixed contact 9 of KF12 is connect with the ends A, and the fixed contact 10 of relay KF12 holds connection, the fixation of relay KF12 to touch together1 connection, the fixed contact 12 of relay KF12 are connect point 11 with B together, and the normally-closed contact group of relay KF12 is hanging, relayThe normally opened contact 5 of KF12 is connect with the fixed contact 9 of relay KF27, the normally opened contact 6 and relay KF27 of relay KF12Fixed contact 10 connect, the normally opened contact 7 of relay KF12 connect with the fixed contact 11 of relay KF27, relay KF12Normally opened contact 8 connect with the fixed contact 12 of relay KF27；The normally-closed contact 1 of relay KF27 and consolidating for relay KF14Fixed contact 9 connects, and the normally-closed contact 2 of relay KF27 is connect with the fixed contact 10 of relay KF14, and relay KF27's is normalClosed contact 3 is connect with the fixed contact 11 of relay KF14, and the normally-closed contact 4 of relay KF27 is touched with the fixation of relay KF1412 connection of point, the normally opened contact group of relay KF27 are hanging；Normally-closed contact 1, normally opened contact 6, the normally opened contact 7 of relay KF14And normally-closed contact 4 is connect with the ends V- of voltage and current acquisition module, the normally opened contact 5 of relay KF14, normally-closed contact 2, oftenClosed contact 3 and normally opened contact 8 are connect with the ends V+ of voltage and current acquisition module.The fixed contact 9 of relay KF16 and the ends A1Connection, the fixed contact 10 of relay KF16 are connect with the ends A, and the fixed contact 11 of relay KF16 holds connection, relay together1 end connects the fixed contact 12 of KF16 together；The normally-closed contact group of relay KF16 is hanging, the normally opened contact 5 of relay KF16It is connect with the fixed contact 9 of relay KF20, the normally opened contact 6 of relay KF16 connects with the fixed contact 10 of relay KF20Connect, the normally opened contact 7 of relay KF16 is connect with the fixed contact 9 of relay KF21, the normally opened contact 8 of relay KF16 with afterThe fixed contact 10 of electric appliance KF21 connects.The fixed contact 9 of relay KF18 holds connection, the fixed contact of relay KF18 together10 together 1 end connect, the fixed contact 11 of relay KF18 connect with the ends B, the fixed contact 12 of relay KF18 and the ends B1 companyIt connects, the normally-closed contact group of relay KF18 is hanging, and the normally opened contact 5 of relay KF18 connects with the fixed contact 9 of relay KF20Connect, the normally opened contact 6 of relay KF18 is connect with the fixed contact 10 of relay KF20, the normally opened contact 7 of relay KF18 withThe fixed contact 9 of relay KF21 connects, and the normally opened contact 8 of relay KF18 is connect with the fixed contact 10 of relay KF21.The fixed contact 11 of relay KF20 connects+5V voltages, and the fixed contact 12 of relay KF20 is hanging, and the normally closed of relay KF20 is touchedPoint 1 meets digital multimeter Vs+, and the normally-closed contact 2 of relay KF20 connects digital multimeter Ex+, the normally opened contact 5 of relay KF20And normally opened contact 6 meets pressure-resistant insulation tester V+, the normally opened contact 7 of relay KF20 is used for exporting+5V voltages ,+5V voltagesIn triggering DI/O modules, industrial personal computer detects that DI/O modules are triggered the warning of laggard horizontal high voltage.The fixed contact of relay KF2111 and fixed contact 12 it is hanging, the normally-closed contact 1 of relay KF21 connects digital multimeter Vs-, the normally-closed contact 2 of relay KF21Digital multimeter Ex- is met, the normally opened contact 5 and normally opened contact 6 of relay KF21 meet pressure-resistant insulation tester V+, relay KF21Normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 it is hanging.The fixed contact 9 of relay KF33 connects with the ends A1It connects, the fixed contact 10 of relay KF33 is connect with the ends A, and the normally opened contact 5 of relay KF33 is touched with the fixation of relay KF20Point 9 and fixed contact 10 connect, the normally opened contact 6 of relay KF33 and the fixed contact 9 of relay KF21 and fixed contact 10Connection, the fixed contact 11 of relay KF33, fixed contact 12, normally-closed contact 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact4, normally opened contact 7 and normally opened contact 8 are hanging.The fixed contact 9 of relay KF35 holds connection, the fixation of relay KF35 to touch together1 end connects point 10 together, and the normally opened contact 5 of relay KF35 is connect with the fixed contact 9 of relay KF20, relay KF35'sNormally opened contact 6 is connect with the fixed contact 9 of relay KF21, and the fixed contact 11 of relay KF35, normally closed is touched fixed contact 12Point 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.The fixation of relay KF37 is touchedPoint 9 is connect with the ends B, and the fixed contact 10 of relay KF37 is connect with the ends B1, the normally opened contact 5 and relay of relay KF37The fixed contact 9 of KF20 connects, and the normally opened contact 6 of relay KF35 is connect with the fixed contact 9 of relay KF21, relayThe fixed contact 11 of KF37, fixed contact 12, normally-closed contact 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7And normally opened contact 8 is hanging.The fixed contact 9 of relay KF39 is connect with the ends A, the fixed contact 10 of the relay KF39 company of end togetherConnect, the normally opened contact 5 of relay KF39 is connect with the fixed contact 9 of relay KF20, the normally opened contact 6 of relay KF35 with afterThe fixed contact 9 of electric appliance KF21 connects, the fixed contact 11 of relay KF39, fixed contact 12, normally-closed contact 1, normally-closed contact2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.1 end connects the fixed contact 9 of relay KF41 togetherIt connects, the fixed contact 10 of relay KF41 is connect with the ends B, and the normally opened contact 5 of relay KF41 is touched with the fixation of relay KF209 connection of point, the normally opened contact 6 of relay KF41 are connect with the fixed contact 9 of relay KF21, the fixed contact of relay KF4111, fixed contact 12, normally-closed contact 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are outstandingIt is empty.
As shown in Figure 1, photoelectrical coupler matrix includes to the KF3 optocouplers of relay KF4 controls, controls relay KF25KF24 optocouplers, the KF5 optocouplers to relay KF6 and relay KF7 controls, the KF28 optocouplers to relay KF29 controls, rightThe KF8 optocouplers of relay KF9 and relay KF10 controls, to the KF30 optocouplers of relay KF31 controls, controlled to relay KF16The KF15 optocouplers of system, to the KF11 optocouplers of relay KF12 control, to the KF34 optocouplers of relay KF35 controls, to relayThe KF38 optocouplers of KF39 controls, the KF17 optocouplers to relay KF18 control, the KF36 optocouplers to relay KF37 controls, to afterThe KF19 optocouplers of electric appliance KF20 and relay KF21 controls, to the KF42 optocouplers of relay KF43 controls, controlled to relay KF27The KF26 optocouplers of system, to the KF32 optocouplers of relay KF33 control, to the KF40 optocouplers of relay KF41 controls, to relayThe KF13 optocouplers of KF14 controls, the KF22 optocouplers that relay KF23 is controlled.
According to different tests project, selectivity gives optocoupler TTL switching values to control relay contact, finally realizes relayThe combination handoff functionality of device matrix, specific control logic are as follows：
One, pilot solenoid valve
1) KF3 optocouplers high level does four-wire system pilot solenoid valve, and low level disconnects all contacts.
A) KF3 optocoupler high level, KF5 optocouplers, KF8 optocoupler low levels, voltage and current acquisition module is kept to pass through relayMatrix is connect with the contact 1 of solenoid valve to be measured, contact 2, contact 3 and contact 4.Do pick-up voltage (unloaded and with carry), release electricityStream (unloaded and with carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment；
B) KF3 optocoupler high level is kept, when KF5 optocoupler high level：
I, KF8 optocoupler low levels do the experiment of four line measuring resistances, and digital multimeter passes through relay matrix and solenoid valve to be measuredContact 1, contact 2, contact 3 and contact 4 connect.
II, KF8 optocoupler high level do pressure-resistant Insulation Test, and pressure-resistant insulation tester passes through relay matrix and electromagnetism to be measuredContact 1, contact 2, contact 3 and the contact 4 of valve connect.When the external output HIGH voltage of equipment, it is anti-to be provided simultaneously with high-voltage signal conductingPresent function.
III, KF28 optocoupler high level do four line solenoid valve contacts, 1,2 conduction test.Digital multimeter passes through relay squareBattle array is connect with the contact 1 of solenoid valve to be measured, contact 2.
IV, KF30 optocoupler high level, do four line solenoid valve contacts, 3,4 conduction test, and digital multimeter passes through relay squareBattle array is connect with the contact 3 of solenoid valve to be measured and contact 4.
2) KF3 optocoupler high level, KF24 optocoupler high level is kept to do two-wire system pilot solenoid valve, wiring point is distinguished when experimentIn B+ and C-, low level disconnects all contacts.
A) KF3 optocoupler high level is kept, KF24 optocoupler high level, it is (empty that KF5 optocouplers, KF8 optocoupler low levels do pick-up voltageCarry and with carrying), release current (unloaded and with carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment；Two contact portions that voltage and current acquisition module passes through relay matrix and solenoid valve to be measured.
B) while KF3 optocoupler high level is kept, KF24 optocoupler high level, when KF5 optocoupler high level：
I, KF8 optocoupler low levels do resistance test experiment；Digital multimeter passes through relay matrix and solenoid valve to be measuredTwo contact portions.
II, KF8 optocoupler high level do pressure-resistant Insulation Test, when the external output HIGH voltage of equipment, are provided simultaneously with high-voltage signalFeedback function is connected.Two contact portions that pressure-resistant insulation tester passes through relay matrix and solenoid valve to be measured.
Two, latching valve is tested
1) when KF11 optocoupler high level：
A) KF13 optocouplers low level makees latching valve and is total to "+" experiment；
I, KF26 optocoupler low levels do A coil tests, pick-up voltage (unloaded and with carry), release current (unloaded and bandCarry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment；Voltage and current acquisition module passes through relayMatrix is connect with the contact 1 of solenoid valve to be measured, contact 2, contact 3 and contact 4.
II, KF26 optocoupler high level do B coil tests, pick-up voltage (unloaded and with carry), release current (unloaded and bandCarry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment.Voltage and current acquisition module passes through relayMatrix is connect with the contact 3 of solenoid valve to be measured, contact 4, contact 5 and contact 6.
B) KF13 optocouplers high level makees latching valve and is total to "-" experiment；
I, KF26 optocoupler low levels do A coil tests, pick-up voltage (unloaded and with carry), release current (unloaded and bandCarry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment；Voltage and current acquisition module passes through relayMatrix is connect with the contact 1 of solenoid valve to be measured, contact 2, contact 3 and contact 4.
II, KF26 optocoupler high level do B coil tests, pick-up voltage (unloaded and with carry), release current (unloaded and bandCarry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment.Voltage and current acquisition module passes through relayMatrix is connect with the contact 3 of solenoid valve to be measured, contact 4, contact 5 and contact 6.
C), KF11 optocouplers low level disconnects all external outputs.
2) when KF15 optocouplers high level, KF17 optocoupler low levels：
I, KF19 optocoupler low levels do the experiment of A coil resistances；Digital multimeter passes through relay matrix and solenoid valve to be measuredContact 1, contact 2, contact 3 and contact 4 connect.
II, KF19 optocoupler high level do the resistance to electric test of A coils, when the external output HIGH voltage of equipment, are provided simultaneously with high pressure letterNumber conducting feedback function；Pressure-resistant insulation tester by the contact 1 of relay matrix and solenoid valve to be measured, contact 2, contact 3 andContact 4 connects.
3) when KF15 optocouplers low level, KF17 optocoupler high level：
I, KF19 optocoupler low levels do the experiment of B coil resistances；Digital multimeter passes through relay matrix and solenoid valve to be measuredContact 3, contact 4, contact 5 and contact 6 connect.
II, KF19 optocoupler high level do the resistance to electric test of B coils, when the external output HIGH voltage of equipment, are provided simultaneously with high pressure letterNumber conducting feedback function；Pressure-resistant insulation tester by the contact 3 of relay matrix and solenoid valve to be measured, contact 4, contact 5 andContact 6 connects.
4) KF15 optocouplers, KF17 optocouplers are low level, disconnect all external outputs；
5) KF32 optocouplers high level does six line latching valve contacts, 1,2 conduction test.Digital multimeter passes through relay squareContact 1, contact 2 of the battle array with solenoid valve to be measured.
6) KF34 optocouplers high level does six line latching valve contacts, 3,4 conduction test.Digital multimeter passes through relay squareContact 3, contact 4 of the battle array with solenoid valve to be measured.
7) KF36 optocouplers high level does six line latching valve contacts, 5,6 conduction test.Digital multimeter passes through relay squareContact 5, contact 6 of the battle array with solenoid valve to be measured.
8) KF38 optocouplers high level does 1,2 conduction test of four-wire system latching valve contact, and wiring point is at the ends A and total end.
9) KF40 optocouplers high level does 3,4 conduction test of four-wire system latching valve contact, and wiring point is at totally 1 end and the ends B.
10) KF22 optocouplers low level does Shell test, and KF22 high level does valve body experiment.
11) residual group of clearing of digital multimeter is done when KF42 optocouplers high level, low level disconnects all contacts.
When twin coil latching valve relay matrix designs, the total "+" and "-" switches relay altogether more than single-coil electromagnetic valveDevice and " A ", " B " coil switch relay.
The solenoid valve electrical property full-automation detection device of the present invention may be selected Manual test or from dynamic test, automaticWhen experiment, required pilot project type and test sequence can be freely configured as needed, wherein can in automatic pilot projectThe interspersed project for needing to carry out Manual test.When same solenoid valve realizes same pilot project, from dynamic test and manuallyExperiment in hardware configuration and DI/O channel selectings be it is identical, from dynamic test options mesh type and sequencing only by softwareConfigure what different trigger port sequences was determined.
The solenoid valve electrical property automatic detection device of the present invention, to avoid relay matrix logic control chaotic, sameOne moment only allowed to carry out a kind of pilot project.Emergency stop hardware button is devised, presses scram button if necessary, it can will be in cabinetInstrument powers off.When there is high-voltage signal output, hardware Real-time Feedback signal is devised, reminds operating personnel's equipment to be in output highPressure condition.The project selects four contact relays, and each relay that pressure-resistant insulation tester is connected when design reserves one respectivelyRoad contact, as the feedback for realizing that pressure-resistant all relays of insulation tester output channel are connected, the one of distalmost end relayConfession+5V is used as feedback voltage trigger signal outside the contact of road, when all connections, distal end+5V voltage triggered data collecting systemsDI signals realize high pressure and connect feedback, and connecting indicator light form by upper Software for Design high pressure warns testing crew.Such as examinationWhen the scene of testing encounters irresistible factor, hardware scram button is directly taken, disconnects power supply in system cabinet.
The solenoid valve electrical property automatic detection device upper computer software of the present invention has all test data record storages,And historical data can be inquired, be printed, follow-up test data are added, automatically generated data report.Solenoid valveElectrical property full-automation detection device can be manually controlled and automatic control by upper software Selection experiment function,Manually controlling for pilot project still can be set in automatic control, and experiment process sequence is adjustable, and pilot project can be according to needIt adds or deletes, solenoid valve electrical property full-automation detection device experiment process figure is as shown in figure 11.