CN109946633A - A kind of solenoid valve multifunctional tester calibration system - Google Patents

A kind of solenoid valve multifunctional tester calibration system Download PDF

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Publication number
CN109946633A
CN109946633A CN201811551501.3A CN201811551501A CN109946633A CN 109946633 A CN109946633 A CN 109946633A CN 201811551501 A CN201811551501 A CN 201811551501A CN 109946633 A CN109946633 A CN 109946633A
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CN
China
Prior art keywords
solenoid valve
bus
calibration
multifunctional tester
measurement
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.)
Pending
Application number
CN201811551501.3A
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Chinese (zh)
Inventor
王兵
张鹏程
刘晓旭
高翌春
印朝辉
张修建
张铁犁
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.)
Beijing Aerospace Calculating Testing Tech Inst
China Academy of Launch Vehicle Technology CALT
Original Assignee
Beijing Aerospace Calculating Testing Tech Inst
China Academy of Launch Vehicle Technology CALT
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Filing date
Publication date
Application filed by Beijing Aerospace Calculating Testing Tech Inst, China Academy of Launch Vehicle Technology CALT filed Critical Beijing Aerospace Calculating Testing Tech Inst
Priority to CN201811551501.3A priority Critical patent/CN109946633A/en
Publication of CN109946633A publication Critical patent/CN109946633A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of solenoid valve multifunctional tester calibration systems, belong to special test equipment field of measuring techniques, including bus measurement and control host computer and calibration transit cable;Bus measurement and control host computer includes bus cabinet, bus control unit module, oscilloscope module and data communication module, and bus control unit module, oscilloscope module and data communication module are bus type board, is inserted into bus cabinet, constitutes portable bus measurement and control host computer.Solenoid valve multifunctional tester calibration system disclosed by the invention overcomes defect existing for existing means, realizes the semi-automatic calibration of dynamical system multifunctional tester, simplifies calibration operation difficulty, improves calibration efficiency, avoids introducing human error.

Description

A kind of solenoid valve multifunctional tester calibration system
Technical field
The present invention relates to a kind of solenoid valve multifunctional tester calibration systems, belong to special test equipment measurement technology neck Domain.
Background technique
Solenoid valve multifunctional tester is used to complete every characteristic to key solenoid valve multinomial in liquid-propellant rocket engine Test, including the projects such as loop resistance, insulation resistance, electromagnetic valve current curve and air tightness test belong to a kind of a variety of surveys of collection Try function dynamical system special test equipment, performance indicator it is accurate whether for guarantee dynamical system safety Play a significant role.
Existing metrological testing technology is carried out mainly for common apparatus and instrument and meter, due to connecing for special test equipment Mouth, signal form, measurement data etc. are different from the requirement of existing metrology and measurement, can not directly trace to the source to universal measurement system Equipment.
Existing means are carried out in such a way that signal extraction is used hand dipping again by conducting wire, and it is low that there are testing efficiencies, Complicated for operation, high to tester's skill requirement, test result, which is readily incorporated, thinks error, it is difficult to meet liquid-propellant rocket engine The requirement of comprehensive coverage.
In order to solve this problem, it is necessary to establish a kind of solenoid valve multifunctional tester calibration system, simplify solenoid valve The calibration operation of multifunctional tester promotes calibration efficiency, avoids introducing and thinks error.
Summary of the invention
The object of the present invention is to proposition in view of the above problems, provides a kind of solenoid valve multifunctional tester calibration system, Overcome defect existing for existing means, realize the semi-automatic calibration of dynamical system multifunctional tester, simplifies calibration operation difficulty, Calibration efficiency is improved, avoids introducing human error.
Above-mentioned purpose of the invention is a kind of solenoid valve multifunctional tester calibration system reached by the following technical programs System, it is characterised in that: including bus measurement and control host computer and calibration transit cable;The bus measurement and control host computer includes bus cabinet, total Lane controller module, oscilloscope module and data communication module, the bus control unit module, oscilloscope module and data communication Module is bus type board, is inserted into bus cabinet, constitutes portable bus measurement and control host computer.
Preferably, the calibration transit cable is insulation measurement transit cable or loop-around test transit cable.
Preferably, the bus in the bus measurement and control host computer is PXI bus, PXIe bus, cpci bus or vxi bus In any one.
Preferably, the data communication interface of the data communication module be RS232 interface, gpib interface, USB interface or Any one in Ethernet interface.
Preferably, circuit measurement transit cable for complete each loop resistance test of solenoid valve multifunctional tester, The signal converting of three calibration items such as electromagnetic valve current curve test and airtight test.
Preferably, the insulation measurement transit cable is surveyed for realizing each insulation resistance of solenoid valve multifunctional tester Measure signal connection and the switching between channel and electricity standard source output channel.
Preferably, the solenoid valve multifunctional tester calibration system further includes measuring resistance, the bus measurement and control host computer It is connected by loop-around test transit cable with the measuring resistance, the measuring resistance passes through loop-around test transit cable and electricity Magnet valve multifunctional tester is connected.
Preferably, two output terminal phases of two banana heads of the loop-around test transit cable and standard resistance box Even.
Preferably, the solenoid valve multifunctional tester calibration system further includes electricity standard valve and signal adaptation case, institute Stating calibration transit cable is insulation measurement transit cable, and the data communication module of the bus measurement and control host computer passes through insulated electro Resistance measurement transit cable is connected with the electricity standard valve and signal adaptation case respectively, the electricity standard valve and signal adaptation Case is connected, and the signal adaptation case is connected with solenoid valve multifunctional tester again.
Preferably, the solenoid valve multifunctional tester calibration system further includes solenoid valve, and the calibration transit cable is Loop-around test transit cable, the oscilloscope module of the bus measurement and control host computer by loop-around test transit cable respectively with solenoid valve It is connected with solenoid valve multifunctional tester, when realizing to each channel of dynamical system multifunctional tester progress airtight test, It loads electromagnetic valve work voltage waveform and controls the measurement of time.
Preferably, all loop-around test channels of the solenoid valve multifunctional tester draw and focus on two tests End, and the every end of the test lead of extraction is connected into two stackable banana plugs.
The utility model has the advantages that
Solenoid valve multifunctional tester calibration system disclosed by the invention overcomes defect existing for existing means, realizes The semi-automatic calibration of dynamical system multifunctional tester simplifies calibration operation difficulty, improves calibration efficiency, avoids introducing artificial mistake Difference.
Elaborate with reference to the accompanying drawings and detailed description to the present invention: the present embodiment is with the technology of the present invention side Implemented under premised on case, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not It is limited to following embodiments.
Detailed description of the invention
Fig. 1 is the insulation resistance calibration connection figure of the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 1.
Fig. 2 is the solenoid valve airtight test calibration of the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 2 Connection figure.
Fig. 3 is the loop resistance calibration connection figure of the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 3.
Specific embodiment
Unless stated otherwise, component used in following example and software are component and software commonly used in the art.
Embodiment 1
As shown in Figure 1, being the insulation resistance calibration company of the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 1 Map interlinking, the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 1 include: bus measurement and control host computer (PXI), signal adaptation Case, electricity standard source, insulation measurement transit cable and solenoid valve multifunctional tester;Bus measurement and control host computer (PXI) includes Bus observing and controlling cabinet (PXI), 0 greeve controller, oscilloscope module and multi-serial-port card, three modules are bus type board, insertion Bus observing and controlling cabinet (PXI) constitutes portable PXI bus measurement and control host computer;Bus measurement and control host computer (PXI) by multi-serial-port card and Insulation measurement transit cable is connected with electricity standard source and signal adaptation case respectively, electricity standard source and signal adaptation case It is connected, signal adaptation case is connected with the test jack of solenoid valve multifunctional tester;
Insulation measurement transit cable is for realizing each insulation measurement channel of solenoid valve multifunctional tester and electricity Learn signal connection and the switching between standard source output channel;Insulation measurement transit cable is by solenoid valve multifunctional testing 1,3,5,7,9,12,26,28,30,32,34,45,47,49,56,58 point of instrument test jack, after being drawn with conducting wire, with one Red stackable banana head is connected;Solenoid valve multifunctional tester test jack 15,17,18,20,22,24,35,37,39, 41,43,51,53,59 points and shell, after being drawn with conducting wire, are connected with the stackable banana head of a black;
When carrying out insulation resistance calibration, need for insulation measurement transit cable to be connected with signal adaptation case, by total Calibration software in line measurement and control host computer controls signal adaptation case, realizes each channel switching, while controlling electricity standard source, keeps its defeated Resistance calibration point value is followed successively by 10,40,70,100M Ω out, and solenoid valve multifunctional tester selects insulation resistance manual measurement Working method is carried out insulation resistance calibration one by one, each calibration value calibration 2 times, is maximized as calibration knot by calibration point value Fruit, satisfaction ± 5%FS.
Embodiment 2
As shown in Fig. 2, being the solenoid valve air-tightness inspection of the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 2 Look into calibration connection figure;Solenoid valve multifunctional tester calibration system of the invention, bus measurement and control host computer (PXI), solenoid valve, circuit Test adaptor cable and solenoid valve multifunctional tester;Bus measurement and control host computer (PXI) includes bus observing and controlling cabinet (PXI), 0 slot control Device, oscilloscope module and multi-serial-port card processed, three modules are bus type board, are inserted into bus observing and controlling cabinet (PXI), are constituted just Take the PXI bus measurement and control host computer of formula;Bus measurement and control host computer is drawn by oscilloscope module by loop-around test transit cable both ends One group of banana head be connected with solenoid valve, bus measurement and control host computer by oscilloscope module pass through loop-around test transit cable both ends Another group of banana head solenoid valve multifunctional tester drawn is connected;Then it is selected in solenoid valve multifunctional tester airtight Property check working method;Manual operation solenoid valve multifunctional tester completes the airtight test in every channel, while being surveyed by bus It controls host and controls oscilloscope module, test the course of work of each channel solenoid valve, read work voltage and control time;Judgement knot Whether fruit meets index request;
Loop-around test transit cable be by the 1 of solenoid valve multifunctional tester test jack, 3,5,7,9,12,26,28, 30,32,34,45,47,49,56,58 points, after being drawn with conducting wire, it is connected with the stackable banana head of a red;The more function of solenoid valve 15,17,18,20,22,24,35,37,39,41,43,51,53,59 points of energy tester test jack, after being drawn with conducting wire, with The stackable banana head of one black is connected.
Embodiment 3
Solenoid valve multifunctional tester calibration system of the invention, bus measurement and control host computer (PXI), solenoid valve, loop-around test Transit cable and solenoid valve multifunctional tester;Bus measurement and control host computer (PXI) includes bus observing and controlling cabinet (PXI), the control of 0 slot Device, oscilloscope module and multi-serial-port card, three modules are bus type board, are inserted into bus observing and controlling cabinet (PXI), are constituted portable The PXI bus measurement and control host computer of formula;Bus measurement and control host computer is double-end by loop-around test transit cable by oscilloscope module One group of banana head is connected with solenoid valve, and bus measurement and control host computer is drawn by oscilloscope module by loop-around test transit cable both ends Another group of banana head solenoid valve multifunctional tester out is connected;
Loop-around test transit cable be by the 1 of solenoid valve multifunctional tester test jack, 3,5,7,9,12,26,28, 30,32,34,45,47,49,56,58 points, after being drawn with conducting wire, it is connected with the stackable banana head of a red;The more function of solenoid valve 15,17,18,20,22,24,35,37,39,41,43,51,53,59 points of energy tester test jack, after being drawn with conducting wire, with The stackable banana head of one black is connected;
Electromagnetic valve current curve test calibration method: by loop-around test transit cable by solenoid valve multifunctional tester with Solenoid valve connection selects current curve manual measurement working method, test mode selection electricity in solenoid valve multifunctional tester Flow curve;Solenoid valve multifunctional tester is manually operated, the current curve in every channel is tested, by printing each channel solenoid valve work Current curve when making, whether curent change conditional curve shape when the same electromagnetic valve work of more all lane testings Unanimously.
Embodiment 4
As shown in figure 3, being the loop resistance calibration company of the solenoid valve multifunctional tester calibration system of the embodiment of the present invention 4 Map interlinking;The solenoid valve multifunctional tester calibration system of the embodiment of the present invention 4 includes: standard resistance box, circuit measurement switching electricity Cable and solenoid valve multifunctional tester;Standard resistance box measures transit cable and the multi-functional survey of solenoid valve by binding post and circuit The test jack of examination instrument is connected;Carry out loop resistance calibration when, need by circuit measure transit cable two banana heads with Two output terminals of standard resistance box are connected, and calibration point value is followed successively by 0,1,10,30,50,54,64 Ω, more in solenoid valve Loop resistance manual measurement working method is selected to carry out loop resistance one by one by calibration point value on the panel of functional tester Calibration, each calibration value calibration 2 times, is maximized as calibration result, satisfaction ± 1%FS.Standard resistance box is used to be more function Energy tester loop resistance detection calibration provides required small resistance standard, and test data is printed by solenoid valve multifunctional tester Afterwards, it is manually entered in the corresponding table of calibration software.
Solenoid valve multifunctional tester calibration system of the invention for solenoid valve multifunctional tester calibration item and The characteristics of output interface, design calibration transit cable, the transit cable is by all TCH test channels of solenoid valve multifunctional tester It draws and by way of designing test lead, convenient for adapting to various connection requests when calibration;Entire solenoid valve multifunctional tester Calibration system is using bus measurement and control host computer as testing and control core, by data communication module Interface Controller electricity standard source, by wanting Output insulation resistance is sought, by being embedded in the oscilloscope module of bus measurement and control host computer, acquires phase by the process requirements of calibration software The voltage-current curve data answered;Calibration software is embedded among bus measurement and control host computer, passes through operation in executing calibration process Prompt reminds metrological personnel to carry out cable connection and equipment operation by prompt, and with solenoid valve multifunctional tester calibration system The execution and semiautomatic control of entire calibration process are completed in the cooperation of close beta program;Solenoid valve is used to be that solenoid valve is multi-functional The electromagnetic valve current curve test calibration of tester provides standard termination.
The oscilloscope module of bus measurement and control host computer, which is realized, carries out air-tightness inspection to each channel of dynamical system multifunctional tester Cha Shi loads electromagnetic valve work voltage waveform and controls the measurement of time;The data communication module of bus measurement and control host computer is realized The data communication interface of bus control unit and electricity standard source controls.
Calibration transit cable in the present invention includes two kinds: one is circuits to measure transit cable, and the cable is for completing Three calibration items such as each loop resistance test of solenoid valve multifunctional tester, electromagnetic valve current curve test and airtight test Signal converting, two test leads, and root are drawn and focused in all loop-around test channels of solenoid valve multifunctional tester The every end of the test lead of extraction is connected into two stackable banana plugs according to the demand of each calibration item, it is each convenient for being adapted to when calibration Kind connection request;
Another kind is insulation measurement transit cable, and the cable is for realizing each insulated electro of solenoid valve multifunctional tester Hinder signal connection and the switching between Measurement channel and electricity standard source output channel.
The calibration item of solenoid valve multifunctional tester mainly includes loop resistance test (embodiment 4), insulation resistance survey Try (embodiment 1), electromagnetic valve current curve test (embodiment 3), airtight test (embodiment 2) etc. 4.Loop resistance test Solenoid valve multifunctional tester is connected by calibration by corresponding circuit measurement transit cable with corresponding standard resistance box, and exhausted Solenoid valve multifunctional tester is passed through signal adaptation case and electricity standard source by corresponding signal converting cable by edge resistance calibration In insulation resistance calibration module be connected, cooperate the test program inside solenoid valve multifunctional tester to complete each TCH test channel Calibration.

Claims (9)

1. a kind of solenoid valve multifunctional tester calibration system, it is characterised in that: including bus measurement and control host computer and calibration switching electricity Cable;The bus measurement and control host computer includes bus cabinet, bus control unit module, oscilloscope module and data communication module, described Bus control unit module, oscilloscope module and data communication module are bus type board, are inserted into bus cabinet, are constituted portable Bus measurement and control host computer.
2. solenoid valve multifunctional tester calibration system as described in claim 1, it is characterised in that: the calibration transit cable For insulation measurement transit cable or loop-around test transit cable.
3. solenoid valve multifunctional tester calibration system as claimed in claim 2, it is characterised in that: the bus observing and controlling master Bus in machine is any one in PXI bus, PXIe bus, cpci bus or vxi bus.
4. solenoid valve multifunctional tester calibration system as claimed in claim 3, it is characterised in that: the data communication mould The data communication interface of block is any one in RS232 interface, gpib interface, USB interface or Ethernet interface.
5. solenoid valve multifunctional tester calibration system as claimed in claim 2, it is characterised in that: the solenoid valve is multi-functional Tester calibration system further includes measuring resistance, and the measuring resistance passes through loop-around test transit cable and the multi-functional survey of solenoid valve Examination instrument is connected.
6. solenoid valve multifunctional tester calibration system as described in claim 1, it is characterised in that: the loop-around test switching Two banana heads of cable are connected with two output terminals of standard resistance box.
7. solenoid valve multifunctional tester calibration system as described in claim 1, it is characterised in that: the solenoid valve is multi-functional Tester calibration system further includes electricity standard valve and signal adaptation case, and the calibration transit cable is insulation measurement switching Cable, the data communication module of the bus measurement and control host computer by insulation measurement transit cable respectively with the electricity standard Valve is connected with signal adaptation case, and the electricity standard valve is connected with signal adaptation case, the signal adaptation case again with electromagnetism Valve multifunctional tester is connected.
8. solenoid valve multifunctional tester calibration system as described in claim 1, it is characterised in that: the solenoid valve is multi-functional Tester calibration system further includes solenoid valve, and the calibration transit cable is loop-around test transit cable, the bus observing and controlling master The oscilloscope module of machine is connected with solenoid valve and solenoid valve multifunctional tester respectively by loop-around test transit cable, is realized When carrying out airtight test to each channel of dynamical system multifunctional tester, when loading electromagnetic valve work voltage waveform and control Between measurement.
9. solenoid valve multifunctional tester calibration system as described in claim 1, it is characterised in that: the solenoid valve is multi-functional Two test leads are drawn and are focused in all loop-around test channels of tester, and the every end of the test lead of extraction is connected two can The banana plug of stacking.
CN201811551501.3A 2018-12-18 2018-12-18 A kind of solenoid valve multifunctional tester calibration system Pending CN109946633A (en)

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CN102033199A (en) * 2010-12-20 2011-04-27 常熟理工学院 System for testing dynamic parameter of high-speed electromagnetic valve for knitting machine
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