CN108362985A - Solenoid valve electrical property full-automation detection device - Google Patents

Solenoid valve electrical property full-automation detection device Download PDF

Info

Publication number
CN108362985A
CN108362985A CN201810482095.3A CN201810482095A CN108362985A CN 108362985 A CN108362985 A CN 108362985A CN 201810482095 A CN201810482095 A CN 201810482095A CN 108362985 A CN108362985 A CN 108362985A
Authority
CN
China
Prior art keywords
relay
contact
normally
fixed contact
normally opened
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810482095.3A
Other languages
Chinese (zh)
Other versions
CN108362985B (en
Inventor
张文娇
苏晨
权保
李海
韩流
蒲爱香
张龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Aerospace Propulsion Institute
Original Assignee
Xian Aerospace Propulsion Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Aerospace Propulsion Institute filed Critical Xian Aerospace Propulsion Institute
Priority to CN201810482095.3A priority Critical patent/CN108362985B/en
Publication of CN108362985A publication Critical patent/CN108362985A/en
Application granted granted Critical
Publication of CN108362985B publication Critical patent/CN108362985B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The present invention provides solenoid valve electrical property full-automation detection device, which includes industrial personal computer, number milling machine case, PLC technology linear power supply, voltage and current acquisition module, Switching Power Supply, pressure-resistant insulation tester, digital multimeter, photoelectrical coupler matrix, relay matrix and solenoid valve clamping connecting terminal;The design that the device passes through relay matrix, on the basis of ensuring solenoid valve electrical property safety detection, realize the detection of different types of a variety of solenoid valve multinomial performances, the most simplified design of relay matrix is realized simultaneously, subject valve only carries out all pilot projects that the valve can be completed in a cable clamping with the present apparatus, and it is widely used in multiple types valve, solves the technical issues of independent mutually between the various pilot projects of existing solenoid valve, be required for product rewiring before each experiment.

Description

Solenoid valve electrical property full-automation detection device
Technical field
The present invention relates to solenoid valve electrical property full-automation detection devices.
Background technology
The purpose for building experimental rig is the automatization level of lifting test, improves working efficiency, reduces testing crew.When Preceding solenoid valve needs to build pilot system temporarily when doing electrical performance test, respectively use digital multimeter measuring coil resistance, Conducting resistance and coil temperature rise inspection measure electric strength with pressure tester, with measurement insulation resistance by megger, with mechanical The instrument and meters such as pressure gauge, voltmeter, ammeter, slide-wire rheostat measure pick-up voltage, release current and response time etc..
It is independent mutually between above-mentioned various pilot projects, be required for product rewiring before each experiment, it is preceding Phase preparation is long, and experiment process cumbersome, testing crew input complicated for operation is more, and reliability is low, and there are artificial error in reading, and And data processing is difficult, can not pass through computer management test data.
Invention content
It is independent mutually between various pilot projects in order to solve existing solenoid valve, be required for before each experiment pair The 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 compile Process control linear power supply, voltage and current acquisition module, Switching Power Supply, pressure-resistant insulation tester, digital multimeter, photoelectrical coupler Matrix, 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 linear Power 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 tested Solenoid 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 this Current 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 tester And 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 matrix Coupler;
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 relay And three-level relay, the level-one relay include relay KF4, relay KF25, relay KF29 and relay KF31;Two Grade relay includes relay KF6, relay KF7 and relay KF43;Three-level relay includes relay KF9 and relay KF10;
Each relay includes fixed contact group, normally-closed contact group and normally opened contact group, and fixed contact group includes fixing Contact 9, fixed contact 10, fixed contact 11, fixed contact 12, normally-closed contact group includes normally-closed contact 1, normally-closed contact 2, normally closed Contact 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 fixed Contact 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 right Normally-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 respectively It 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 closed Contact 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 opened The 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 KF25 It 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 KF4 The 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 opened Contact 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's Fixed 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's Fixed contact 10 is connect with the fixed contact 10 of relay KF4;The fixed contact 11 and fixed contact 12 of the relay KF29 Vacantly;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's Fixed 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's Fixed contact 10 is connect with the fixed contact 12 of relay KF4;The fixed contact 11 and fixed contact 12 of the relay KF31 Vacantly;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's Fixed 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 solid Fixed 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 relay The 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 with The 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 after The 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 after The 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 with The 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 opened Contact 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, relay The fixed contact 9 of KF10 and the fixed contact 9 of relay KF43 connect, the normally opened contact 6 and relay of the relay KF7 The 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 KF43 Fixed 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 touched It 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 KF9 Contact 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 tester End connection, the normally opened contact 7 of the relay KF9 is for exporting DI/O module trigger voltages, the DI/O modules trigger voltage For 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 KF10 It 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, described The 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 valve Body connecting terminal;
The relay matrix further includes relay KF23 identical with relay KF4 structures, the photoelectrical coupler square Battle 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 KF23 It 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 touched Point is hanging.
Further, it is the test for realizing to latching valve, solenoid valve electrical property full-automation detection device of the invention, also Including 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 relay KF14, the photoelectrical coupler matrix further include for controlling relay KF12, relay KF27 and relay KF14 power on/off Multiple 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 KF12 Normally-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 after The 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 after The 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 KF27 It connects;
The normally-closed contact 1 of the relay KF27 is connect with the fixed contact 9 of relay KF14, the relay KF27's Normally-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 KF27 Fixed contact 11 connects, and the normally-closed contact 4 of the relay KF27 is connect with the fixed contact 12 of relay KF14, the relay The 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 current The 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 electricity The 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 includes Relay 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 relay The 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, institute The 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 KF16 It 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 KF21 Connection;
The fixed contact 9 of the relay KF18 holds connection together, the fixed contact 10 of the relay KF18 1 end together Connection, 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 connect It 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 KF18 Contact 9 connects, and the normally opened contact 6 of the relay KF18 is connect with the fixed contact 10 of relay KF20, the relay The 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 KF18 The 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 KF20 12 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 number The normally opened contact 5 and normally opened contact 6 of word multimeter Ex+, the relay KF20 connect pressure-resistant insulation tester V+, the relay The 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 KF21 The normally-closed contact 2 for meeting digital multimeter Vs-, the relay KF21 meets digital multimeter Ex-, and the relay KF21's is normally opened Contact 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 4 Point 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 for Control 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 connect It 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 relay The 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 KF33 Contact 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 contact 8 is hanging;
Further, the level-one relay further includes relay KF35;The photoelectrical coupler matrix further includes being used for Control 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 together Connection, 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 normal Contact 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 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 hanging.
Further, the level-one relay further includes relay KF37;The photoelectrical coupler matrix further includes being used for Control 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 connect It 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 opened Contact 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 12 Point 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 for Control 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 together It 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 opened Contact 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 12 Point 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 for Control 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 KF41 Connection, 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 normal Contact 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 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 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 cuts The 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 current With with carrying), maintenance voltage (unloaded and with carry), the response time (unloaded and with carry), coil temperature rise inspection experiment, eliminate not It 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 project The 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, wrap Include 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 "+" from Locking-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.Even The relay for connecing fast inserting folder terminal is known as first order relay, and first order relay mainly executes defencive function, to operator And 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 relay Output 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 connection The 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 band Carry), 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 relay Digital 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 after The 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 work Feedback contact portion to number adopts equipment, is shown during the test as high voltage conduction alarm signal;Pressure-resistant insulation tester is born End 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 guarantee In 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 complete At 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 relay KF4, KF7, KF10 need to connect solenoid valve KF4, KF6, KF7 when doing electromagnetic valve coil resistance test;It is tested at this two In, relay KF4, KF7 and its cable have taken into account the function of high-voltage signal and weak electric signal time-sharing multiplex.
Description of the drawings
Fig. 1 is the solenoid valve electrical property full-automation detection device schematic diagram of the present invention;
Fig. 2 is two-wire system solenoid valve and detection device clamping schematic diagram;
Fig. 3 is four-wire system solenoid valve and detection device clamping schematic diagram;
Fig. 4 is that four-wire system is total to "+" latching valve and detection device clamping schematic diagram;
Fig. 5 is that four-wire system is total to "-" latching valve and detection device clamping schematic diagram;
Fig. 6 is that six line systems are total to "+" latching valve and detection device clamping schematic diagram;
Fig. 7 is that six line systems are total to "-" latching valve and detection device clamping schematic diagram;
Fig. 8 is the relay matrix design schematic diagram of the present invention;
Fig. 9 is the relay matrix elementary diagram (1) of the present invention;
Figure 10 is the relay matrix elementary diagram (2) of the present invention;
Figure 11 is the experiment process figure of the present invention.
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, can Programming Control linear power supply, voltage and current acquisition module, Switching Power Supply, pressure-resistant insulation tester, digital multimeter, photoelectric coupling Device matrix, relay matrix and clamping terminal;Number milling machine case includes that AI numbers adopt module, AO output modules and DI/O modules;Industry control Machine is connect by AO output modules with PLC technology linear power supply, for making PLC technology linear power supply generate for be tested The voltage of electromagnetism valve events;PLC technology linear power supply is connect by voltage and current acquisition module with relay matrix, to wait for Test 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 exist Current 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 current Block 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 insulation Examination instrument and digital multimeter carry out control and data are shown;Photoelectrical coupler matrix includes each in relay matrix for controlling Multiple photoelectrical couplers of relay on-off electricity;Industrial personal computer passes through each photoelectric coupling in DI/O module controls photocell coupler matrixes The 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;First The 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 altogether And D- terminals, A+ terminals, B+ terminals, C- terminals and D- terminals respectively corresponding contact 1 with 4 core solenoid valves, contact 2, contact 3 and Contact 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 soon Latching 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 six Correspondence 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 control It is divided with electrical performance test type.The relay of connection clamping terminal is known as first order relay, first order relay master Defencive function is executed, insulation blocking is served to operator and experimental rig;All wiring are in normally opened contact, in relay When 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 isolated Without 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 touch Point is hanging.
Second level relay output end connects first order relay normally open contact, the normally-closed contact connection of second level relay Electromagnetic valve circuit acquires output end, for doing by the pick-up voltage (unloaded and with carry) of trial product, release current (unloaded and band Carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment etc..The normally opened contact of second level relay connects Connect 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 modes Coil resistance and conducting resistance etc..The anode output of the pressure-resistant insulation tester of normally opened contact connection of third level relay, simultaneously There 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 signal It 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 body Son.
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, relay KF16, relay KF33, relay KF35, relay KF37, relay KF39, relay KF41 and relay KF18;Two level Relay includes relay KF6, relay KF7, relay KF43, relay KF27 and relay KF14;Three-level relay packet Include relay KF9, relay KF10, relay KF20 and relay KF21.Further include relay KF23.Each relay wraps Fixed 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 touch Point 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 touch Point 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 tactile Point 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, Gu Fixed 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 to A+ 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 with The 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 relay The 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 KF4 C- 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 KF4 The 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 8 It 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 solid Fixed 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 KF6 Fixed 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, relay The 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 KF4 Connection;The fixed contact 10 of relay KF31 is connect with the fixed contact 12 of relay KF4;The fixed contact 11 of relay KF31 And 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 KF6 Fixed 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 KF6 Fixed 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, after The 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 with The fixed contact 9 of relay KF9 and the fixed contact 9 of relay KF10 connect, the normally opened contact 6 and relay of relay KF6 The 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's Fixed 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 KF7 The 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 and Normally 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 KF10 The 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 KF9 The 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 touch 7 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 touch Point 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, relay The 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 4 Point 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 test The 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 examination DI/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, relay The 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 KF10 The 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 tester Connection.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 KF23 Terminal connects, and the fixed contact 9 of relay KF23 is connect with the ends V- of pressure-resistant insulation tester, remaining contact is hanging.Relay The 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 together 1 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, relay The 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 KF12 Fixed contact 10 connect, the normally opened contact 7 of relay KF12 connect with the fixed contact 11 of relay KF27, relay KF12 Normally opened contact 8 connect with the fixed contact 12 of relay KF27;The normally-closed contact 1 of relay KF27 and consolidating for relay KF14 Fixed 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 normal Closed 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 KF14 12 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 KF14 And 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, often Closed 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 A1 Connection, the fixed contact 10 of relay KF16 are connect with the ends A, and the fixed contact 11 of relay KF16 holds connection, relay together 1 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 KF16 It 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 KF20 Connect, 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 after The fixed contact 10 of electric appliance KF21 connects.The fixed contact 9 of relay KF18 holds connection, the fixed contact of relay KF18 together 10 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 company It 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 KF20 Connect, 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 with The 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 touched Point 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 KF20 And 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 voltages In 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 KF21 11 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 KF21 Digital multimeter Ex- is met, the normally opened contact 5 and normally opened contact 6 of relay KF21 meet pressure-resistant insulation tester V+, relay KF21 Normally-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 A1 It 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 KF20 Point 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 10 Connection, the fixed contact 11 of relay KF33, 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 hanging.The fixed contact 9 of relay KF35 holds connection, the fixation of relay KF35 to touch together 1 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's Normally 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 12 Point 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 touched Point 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 KF37 The 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, relay The 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 7 And 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 together Connect, 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 after The fixed contact 9 of electric appliance KF21 connects, the fixed contact 11 of relay KF39, 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 hanging.1 end connects the fixed contact 9 of relay KF41 together It 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 KF20 9 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 KF41 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 contact 8 are outstanding It is empty.
As shown in Figure 1, photoelectrical coupler matrix includes to the KF3 optocouplers of relay KF4 controls, controls relay KF25 KF24 optocouplers, the KF5 optocouplers to relay KF6 and relay KF7 controls, the KF28 optocouplers to relay KF29 controls, right The KF8 optocouplers of relay KF9 and relay KF10 controls, to the KF30 optocouplers of relay KF31 controls, controlled to relay KF16 The KF15 optocouplers of system, to the KF11 optocouplers of relay KF12 control, to the KF34 optocouplers of relay KF35 controls, to relay The KF38 optocouplers of KF39 controls, the KF17 optocouplers to relay KF18 control, the KF36 optocouplers to relay KF37 controls, to after The KF19 optocouplers of electric appliance KF20 and relay KF21 controls, to the KF42 optocouplers of relay KF43 controls, controlled to relay KF27 The KF26 optocouplers of system, to the KF32 optocouplers of relay KF33 control, to the KF40 optocouplers of relay KF41 controls, to relay The 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 relay The 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 relay Matrix 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 electricity Stream (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 measured Contact 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 measured Contact 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 conducting Present function.
III, KF28 optocoupler high level do four line solenoid valve contacts, 1,2 conduction test.Digital multimeter passes through relay square Battle 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 square Battle 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 experiment In 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 voltage Carry 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 measured Two 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 signal Feedback 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 band Carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment;Voltage and current acquisition module passes through relay Matrix 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 band Carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment.Voltage and current acquisition module passes through relay Matrix 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 band Carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment;Voltage and current acquisition module passes through relay Matrix 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 band Carry), maintenance voltage (unloaded and with carry), response time (unloaded and with carry) experiment.Voltage and current acquisition module passes through relay Matrix 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 measured Contact 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 letter Number conducting feedback function;Pressure-resistant insulation tester by the contact 1 of relay matrix and solenoid valve to be measured, contact 2, contact 3 and Contact 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 measured Contact 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 letter Number conducting feedback function;Pressure-resistant insulation tester by the contact 3 of relay matrix and solenoid valve to be measured, contact 4, contact 5 and Contact 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 square Contact 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 square Contact 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 square Contact 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 valve Device 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, automatic When experiment, required pilot project type and test sequence can be freely configured as needed, wherein can in automatic pilot project The interspersed project for needing to carry out Manual test.When same solenoid valve realizes same pilot project, from dynamic test and manually Experiment in hardware configuration and DI/O channel selectings be it is identical, from dynamic test options mesh type and sequencing only by software Configure 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, same One 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 cabinet Instrument 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 high Pressure condition.The project selects four contact relays, and each relay that pressure-resistant insulation tester is connected when design reserves one respectively Road contact, as the feedback for realizing that pressure-resistant all relays of insulation tester output channel are connected, the one of distalmost end relay Confession+5V is used as feedback voltage trigger signal outside the contact of road, when all connections, distal end+5V voltage triggered data collecting systems DI signals realize high pressure and connect feedback, and connecting indicator light form by upper Software for Design high pressure warns testing crew.Such as examination When 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 valve Electrical 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 need It adds or deletes, solenoid valve electrical property full-automation detection device experiment process figure is as shown in figure 11.

Claims (10)

1. solenoid valve electrical property full-automation detection device, it is characterised in that:Including industrial personal computer, number milling machine case, PLC technology Linear power supply, voltage and current acquisition module, Switching Power Supply, pressure-resistant insulation tester, digital multimeter, photoelectrical coupler matrix, 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 PLC technology linear power supply Generate 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 solenoid valve to be tested Power supply;
The output voltage and solenoid valve to be measured of the voltage and current acquisition module acquisition PLC technology linear power supply are in the power supply Current value under 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 tester and number Word multimeter carries out control and digital independent is shown;
The photoelectrical coupler matrix includes multiple photoelectric couplings for controlling each relay on-off electricity in relay matrix Device;
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 relay and three Grade relay, the level-one relay includes relay KF4, relay KF25, relay KF29 and relay KF31;Two level after Electric appliance includes relay KF6, relay KF7 and relay KF43;Three-level relay includes relay KF9 and relay KF10;
Each relay includes fixed contact group, normally-closed contact group and normally opened contact group, and fixed contact group includes fixed contact 9, fixed contact 10, fixed contact 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 contact group include normally opened contact 5, normally opened contact 6, normally opened contact 7 and normally opened contact 8, fixed contact 9 Corresponding normally-closed contact 1 and normally opened contact 5, fixed contact 10 corresponds to normally-closed contact 2 and normally opened contact 6, fixed contact 11 correspond to often Closed contact 3 and normally opened contact 7, fixed contact 12 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 be corresponding in turn to A+ terminals, B+ terminals, C- terminals and the connection of D- terminals of solenoid valve clamping connecting terminal;The normally-closed contact of the relay KF25 1 connect with the fixed contact 9 of normally opened contact 6 and relay KF4;The normally-closed contact 4 of the relay KF25 and normally opened contact 7 and The fixed contact 12 of relay KF4 connects;The normally-closed contact 2 of the relay KF25, normally-closed contact 3, normally opened contact 5 and normally opened Contact 8 is hanging;
The fixed contact 10 of the relay KF4 is connect with B+ terminals, and fixed contact 11 and the solenoid valve of the relay KF4 fill The C- terminals of clamping connection line terminals connect, and the normally-closed contact group of the relay KF4 is hanging;The normally opened contact 5 of the relay KF4 And normally opened contact 6 is connect with the fixed contact 9 of relay KF6 and fixed contact 10, the fixation of normally opened contact 7 and relay KF7 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 fixation of the relay KF29 Contact 10 is connect with the fixed contact 10 of relay KF4;The fixed contact 11 and fixed contact 12 of the relay KF29 is hanging; The normally-closed contact group of the relay KF29 is hanging;The fixed contact of the normally opened contact 5 and relay KF6 of the relay KF29 9 connections, the normally opened contact 6 of the relay KF29 connect with the fixed contact 9 of relay KF7 and fixed contact 10, it is described after The normally opened contact 7 and normally opened contact 8 of electric appliance KF29 is hanging;
The fixed contact 9 of the relay KF31 is connect with the fixed contact 11 of relay KF4;The fixation of the relay KF31 Contact 10 is connect with the fixed contact 12 of relay KF4;The fixed contact 11 and fixed contact 12 of the relay KF31 is hanging; The normally-closed contact group of the relay KF31 is hanging;The fixed contact of the normally opened contact 5 and relay KF6 of the relay KF31 9 connections, the normally opened contact 6 of the relay KF31 connect with the fixed contact 9 of relay KF7 and fixed contact 10, it is described after The normally opened contact 7 and normally opened contact 8 of electric appliance 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, which is fixed, to be touched Point 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 relay KF6's Normally-closed contact 2, normally-closed contact 3, normally-closed contact 4 and normally opened contact 8 are hanging, the normally opened contact 5 and relay of the relay KF6 The fixed contact 9 of KF9 and the fixed contact 9 of relay KF10 connect, the normally opened contact 6 and relay KF9 of the relay KF6 Fixed contact 10 and relay KF10 fixed contact 10 connect;The normally opened contact 7 of the relay KF6 and relay KF9 Fixed contact 11 connect;
The fixed contact 11 and fixed contact 12 of the relay KF7 is hanging, the normally-closed contact 1 and voltage of the relay KF7 The ends V- of current acquisition module connect, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, the normally opened contact 7 of the relay KF7 And normally opened contact 8 is hanging, the normally opened contact 5 of the relay KF7 and the fixed contact 9 of relay KF9, relay KF10 consolidate The fixed contact 9 of fixed contact 9 and relay KF43 connect, the fixation of the normally opened contact 6 and relay KF9 of the relay KF7 The fixed contact 10 of contact 10, 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, the fixed contact 10 of the relay KF43 and fixation 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, the normally-closed contact 2 of the relay KF9 It is 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 KF9 are touched Point 12 is hanging, the ends V+ of the normally opened contact 5 of the relay KF9 and the normally opened contact 6 of relay KF9 and pressure-resistant insulation tester The normally opened contact 7 of connection, the relay KF9 is used for exporting DI/O module trigger voltages, the DI/O modules trigger voltage In triggering DI/O modules, 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 KF10 is hanging, normally-closed contact 1 and the number of the relay KF10 The ends Vs- of word multimeter connect, and the normally-closed contact 2 of the relay KF10 is connect with the ends Ex- of digital multimeter, the relay The normally opened contact 5 of device KF10 and the normally opened contact 6 of relay KF10 are connect with the ends V+ of pressure-resistant insulation tester.
2. solenoid valve electrical property full-automation detection device according to claim 1, it is characterised in that:
Further include shell connecting terminal and valve body connecting terminal;
The relay matrix further includes relay KF23 identical with relay KF4 structures, and the photoelectrical coupler matrix is also Include 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 and valve of the relay KF23 Body connecting terminal connects, and the fixed contact 9 of the relay KF23 is connect with the ends V- of pressure-resistant insulation tester, remaining contact is outstanding It is empty.
3. solenoid valve electrical property full-automation detection device according to claim 2, it is characterised in that:
Further include 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 relay KF14, institute It further includes multiple light for controlling relay KF12, relay KF27 and relay KF14 power on/off to state photoelectrical coupler matrix Electric coupler;
The fixed contact 9 of the relay KF12 is connect with the ends A, and the fixed contact 10 of relay KF12 holds connection, relay together 1 connection, the fixed contact 12 of relay KF12 are connect the fixed contact 11 of device KF12 with B together, and the relay KF12's is normal Closed contact group is hanging, and the normally opened contact 5 of the relay KF12 is connect with the fixed contact 9 of relay KF27, the relay The normally opened contact 6 of KF12 is connect with the fixed contact 10 of relay KF27, the normally opened contact 7 and relay of the relay KF12 The fixed contact 11 of KF27 connects, and the normally opened contact 8 of the relay KF12 is connect with the fixed contact 12 of relay KF27;
The normally-closed contact 1 of the relay KF27 is connect with the fixed contact 9 of relay KF14, and the relay KF27's is normally closed Contact 2 is connect with the fixed contact 10 of relay KF14, the fixation of the normally-closed contact 3 and relay KF14 of the relay KF27 Contact 11 connects, and the normally-closed contact 4 of the relay KF27 is connect with the fixed contact 12 of relay KF14, the relay The normally opened contact group of 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 acquired with voltage and current The ends V- of module connect, and normally opened contact 5, normally-closed contact 2, normally-closed contact 3 and the normally opened contact 8 of relay KF14 is electric with voltage Flow the ends the V+ connection of acquisition module.
4. solenoid valve electrical property full-automation detection device according to claim 3, it is characterised in that:
The level-one relay further includes relay KF16 and relay KF18, three-level relay further include relay KF20 and after Electric appliance KF21;The photoelectrical coupler matrix further include for control relay KF16, relay KF18, relay KF20 and after Multiple photoelectrical couplers of electric appliance 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, relay The fixed contact 11 of device KF16 holds connection together, and 1 end connects the fixed contact 12 of relay KF16 together;The relay KF16 Normally-closed contact group it is hanging, the normally opened contact 5 of the relay KF16 is connect with the fixed contact 9 of relay KF20, it is described after The normally opened contact 6 of electric appliance KF16 is connect with the fixed contact 10 of relay KF20, the normally opened contact 7 of the relay KF16 with after The fixed contact 9 of electric appliance KF21 connects, and the normally opened contact 8 of the relay KF16 connects with the fixed contact 10 of relay KF21 It connects;
The fixed contact 9 of the relay KF18 holds connection together, and 1 end connects the fixed contact 10 of the relay KF18 together It connecing, the fixed contact 11 of the relay KF18 is connect with the ends B, and the fixed contact 12 of the relay KF18 is connect with the ends B1, The normally-closed contact group of the relay KF18 is hanging, and the normally opened contact 5 of the relay KF18 is touched with the fixation of relay KF20 9 connection of point, the normally opened contact 6 of the relay KF18 are connect with the fixed contact 10 of relay KF20, the relay KF18 Normally opened contact 7 connect with the fixed contact 9 of relay KF21, the normally opened contact 8 of the relay KF18 and relay KF21 Fixed contact 10 connect;
The fixed contact 11 of the relay KF20 connects DI/O module trigger voltages, and the fixed contact 12 of the relay KF20 is outstanding Sky, the normally-closed contact 1 of the relay KF20 connects the normally-closed contact 2 of digital multimeter Vs+, the relay KF20, and to connect number more With table Ex+, the normally opened contact 5 and normally opened contact 6 of the relay KF20 meet pressure-resistant insulation tester V+, the relay KF20 Normally opened contact 7 for exporting DI/O module trigger voltages, the DI/O modules trigger voltage is described for triggering DI/O modules 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, and the normally-closed contact 1 of the relay KF21 connects number The normally-closed contact 2 of word multimeter Vs-, the relay KF21 connect digital multimeter Ex-, the normally opened contact of the relay KF21 5 and normally opened contact 6 connect pressure-resistant insulation tester V+, normally-closed contact 3, normally-closed contact 4, the normally opened contact 7 of the relay KF21 And normally opened contact 8 is hanging.
5. solenoid valve electrical property full-automation detection device according to claim 4, it is characterised in that:
The level-one relay further includes relay KF33;The photoelectrical coupler matrix further includes for controlling relay KF33 The photoelectrical coupler of power on/off;
The fixed contact 9 of the relay KF33 is connect with the ends A1, and the fixed contact 10 of the relay KF33 is connect with the ends A, The normally opened contact 5 of the relay KF33 is connect with the fixed contact 9 of relay KF20 and fixed contact 10, the relay The normally opened contact 6 of KF33 is connect with the fixed contact 9 of relay KF21 and fixed contact 10, and the fixation of the relay KF33 is touched Point 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 contact 8 Vacantly.
6. solenoid valve electrical property full-automation detection device according to claim 5, it is characterised in that:
The level-one relay further includes relay KF35;The photoelectrical coupler matrix further includes for controlling relay KF35 The photoelectrical coupler of power on/off;
The fixed contact 9 of the relay KF35 holds connection together, and 1 end connects the fixed contact 10 of the relay KF35 together It connects, the normally opened contact 5 of the relay KF35 is connect with the fixed contact 9 of relay KF20, and the relay KF35's is normally opened Contact 6 is connect with the fixed contact 9 of relay KF21, and the fixed contact 11 of the relay KF35, normally closed is touched fixed contact 12 Point 1, normally-closed contact 2, normally-closed contact 3, normally-closed contact 4, normally opened contact 7 and normally opened contact 8 are hanging.
7. solenoid valve electrical property full-automation detection device according to claim 6, it is characterised in that:
The level-one relay further includes relay KF37;The photoelectrical coupler matrix further includes for controlling relay KF37 The photoelectrical coupler of power on/off;
The fixed contact 9 of the relay KF37 is connect with the ends B, and the fixed contact 10 of the relay KF37 is connect with the ends B1, The normally opened contact 5 of the relay KF37 is connect with the fixed contact 9 of relay KF20, the normally opened contact of the relay KF35 6 connect with the fixed contact 9 of relay KF21, the fixed contact 11 of the relay KF37, 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 hanging.
8. solenoid valve electrical property full-automation detection device according to claim 7, it is characterised in that:
The level-one relay further includes relay KF39;The photoelectrical coupler matrix further includes for controlling relay KF39 The photoelectrical coupler of power on/off;
The fixed contact 9 of the relay KF39 is connect with the ends A, and the fixed contact 10 of the relay KF39 holds connection together, The normally opened contact 5 of the relay KF39 is connect with the fixed contact 9 of relay KF20, the normally opened contact of the relay KF35 6 connect with the fixed contact 9 of relay KF21, the fixed contact 11 of the relay KF39, 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 hanging.
9. solenoid valve electrical property full-automation detection device according to claim 8, it is characterised in that:
The level-one relay further includes relay KF41;The photoelectrical coupler matrix further includes for controlling relay KF39 The photoelectrical coupler of power on/off;
1 end connects the fixed contact 9 of the relay KF41 together, and the fixed contact 10 of the relay KF41 is connect with the ends B, The normally opened contact 5 of the relay KF41 is connect with the fixed contact 9 of relay KF20, the normally opened contact of the relay KF41 6 connect with the fixed contact 9 of relay KF21, the fixed contact 11 of the relay KF41, 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 hanging.
10. solenoid valve electrical property full-automation detection device according to claim 9, it is characterised in that:
The DI/O modules trigger voltage is+5V.
CN201810482095.3A 2018-05-18 2018-05-18 Full-automatic detection device for electromagnetic valve electrical property Active CN108362985B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810482095.3A CN108362985B (en) 2018-05-18 2018-05-18 Full-automatic detection device for electromagnetic valve electrical property

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810482095.3A CN108362985B (en) 2018-05-18 2018-05-18 Full-automatic detection device for electromagnetic valve electrical property

Publications (2)

Publication Number Publication Date
CN108362985A true CN108362985A (en) 2018-08-03
CN108362985B CN108362985B (en) 2023-08-25

Family

ID=63012071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810482095.3A Active CN108362985B (en) 2018-05-18 2018-05-18 Full-automatic detection device for electromagnetic valve electrical property

Country Status (1)

Country Link
CN (1) CN108362985B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112379205A (en) * 2020-11-18 2021-02-19 东风汽车集团有限公司 Electrical matching performance test system and test method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377051B1 (en) * 1999-12-03 2002-04-23 Abb Power T&D Company Inc. Relay test set using computer controlled voltage supply to stimulate both voltage and current transformers
CN201654186U (en) * 2009-12-02 2010-11-24 天津光电通信技术有限公司 Large-scale signal detecting equipment
CN102508087A (en) * 2011-12-26 2012-06-20 石家庄供电公司 Integrated test stand for transformers
CN103235245A (en) * 2013-04-25 2013-08-07 天津市百利电气有限公司 Automatic pressure-tight test board for molded case circuit breaker and control method thereof
CN103852666A (en) * 2014-02-28 2014-06-11 成都蓉盛达系统工程技术有限公司 Wire harness tester
CN107219455A (en) * 2017-05-22 2017-09-29 中国电子科技集团公司第四十研究所 A kind of matrix switch relay failure detector and detection method
CN107966656A (en) * 2017-11-30 2018-04-27 蒋小辉 A kind of matrix form electromagnetic relay intelligent comprehensive parameter detection device
CN208224424U (en) * 2018-05-18 2018-12-11 西安航天动力研究所 Solenoid valve electrical property full-automation detection device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377051B1 (en) * 1999-12-03 2002-04-23 Abb Power T&D Company Inc. Relay test set using computer controlled voltage supply to stimulate both voltage and current transformers
CN201654186U (en) * 2009-12-02 2010-11-24 天津光电通信技术有限公司 Large-scale signal detecting equipment
CN102508087A (en) * 2011-12-26 2012-06-20 石家庄供电公司 Integrated test stand for transformers
CN103235245A (en) * 2013-04-25 2013-08-07 天津市百利电气有限公司 Automatic pressure-tight test board for molded case circuit breaker and control method thereof
CN103852666A (en) * 2014-02-28 2014-06-11 成都蓉盛达系统工程技术有限公司 Wire harness tester
CN107219455A (en) * 2017-05-22 2017-09-29 中国电子科技集团公司第四十研究所 A kind of matrix switch relay failure detector and detection method
CN107966656A (en) * 2017-11-30 2018-04-27 蒋小辉 A kind of matrix form electromagnetic relay intelligent comprehensive parameter detection device
CN208224424U (en) * 2018-05-18 2018-12-11 西安航天动力研究所 Solenoid valve electrical property full-automation detection device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张明珠等: "继电器矩阵在PCB功能检测中的应用", 《煤炭工程》 *
邓定辉等: "某大型测量设备通路及绝缘电阻测试系统", 《电子测试》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112379205A (en) * 2020-11-18 2021-02-19 东风汽车集团有限公司 Electrical matching performance test system and test method thereof

Also Published As

Publication number Publication date
CN108362985B (en) 2023-08-25

Similar Documents

Publication Publication Date Title
CN104297631B (en) Failure diagnosis apparatus and diagnosis and repair method thereof for ring main unit distribution terminal
CN208224424U (en) Solenoid valve electrical property full-automation detection device
CN104215835A (en) Automatic measuring system for main transformer
CN104569751A (en) Device and method for detecting insulating property of high-voltage ancillary equipment of electromobile
CN108847078A (en) A kind of dress table connects electric training system
CN102508485A (en) Signal detection and fault simulation device for semi-physical simulation test
CN104020376A (en) Three-remote automatic testing method for power distribution terminal
CN105022000A (en) Power supply circuit board automatic testing device
CN206161810U (en) Intelligent control box relay test appearance
CN112165141B (en) Carrier rocket digital power supply and distribution control system and test method thereof
CN203217023U (en) Motor and transformer microcomputer integration test stand
CN104569601A (en) Device and method for detecting insulating property of high-voltage control box of electromobile
CN110673054A (en) DC/DC power supply test system and aging test method of DC/DC power supply
CN108362985A (en) Solenoid valve electrical property full-automation detection device
CN204515021U (en) The high voltage control box of electric automobile is carried out to the device of insulating property detection
CN108490252A (en) A kind of intelligent electric meter
CN110221199B (en) Residual current protection circuit breaker test machine
CN201774175U (en) Intelligent high-voltage switch equipment
CN204515070U (en) The high pressure ancillary apparatus wire harness of electric automobile is carried out to the device of insulating property detection
CN109521311B (en) Relay protection multi-outlet pressing plate measuring instrument
CN103984250B (en) Multi-gear resistance output device and detecting system
CN109061406B (en) Testing device and method for relay signal processor of nuclear power station reactor protection system
RU2095820C1 (en) Device which tests electric drive
CN105866677A (en) Checking operation device of 10-kV switchgear
CN216117962U (en) Device for detecting cable of variable pitch control system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant