CN105676770A - Multichannel data collection method for pneumatic heating simulated test system - Google Patents
Multichannel data collection method for pneumatic heating simulated test system Download PDFInfo
- Publication number
- CN105676770A CN105676770A CN201610034694.XA CN201610034694A CN105676770A CN 105676770 A CN105676770 A CN 105676770A CN 201610034694 A CN201610034694 A CN 201610034694A CN 105676770 A CN105676770 A CN 105676770A
- Authority
- CN
- China
- Prior art keywords
- plc
- opc
- host computer
- data collection
- variable
- 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
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a multichannel data collection method for a pneumatic heating simulated test system, and solves the problem in multichannel data collection of the pneumatic heating simulated test system. An OPC data communication method based on the Window NT technology standard is provided to collect data of more than one hundred of channels rapidly. A PLC measures the thermal state of the test piece in fixed time interval, and displays the measured data to the external via an OPC, a host computer tests a variable needed by the system via OPC scanning, a control quantity is calculated via a control feedback quantity obtained by scanning and a control low, and a value is assigned to the PLC via the OPC. According to the method, it is not required to develop communication driving program in the bottom layer, real-time data interaction between the host computer and the PLC can be realized via simple function codes after that PLC communication is configured, and multichannel data collection can be realized rapidly.
Description
Technical field
A kind of multi-channel data collecting method for Aerodynamic Heating simulation experiment system.
Background technology
Aerodynamic Heating simulation test is a kind of Laboratory Simulation of the Aerodynamic Heating problem that simulated flight device is caused by high velocity air in-flight. It is with Aerodynamic Heating result of calculation for foundation, utilize the heating process controlling Aerodynamic Heating simulation experiment system, the simulated flight device equivalent heat environment in space and aerodynamic loading, directive function is provided to Structural Strength Design analysis, there is provided foundation for product development, help speed up Project R&D progress, improve product quality, reduce development cost, shorten the test period. The heating of quartz lamp infrared emanation is conventional Aerodynamic Heating simulation test thermal source presentation mode.
Quartz lamp infrared emanation Aerodynamic Heating simulation experiment system mainly includes measuring and controlling device, electrical power adjustment device, three major parts of quartz lamp heater. Programmable logic controller (PLC) (PLC) has the advantages such as use is flexible, reliability is high, capacity of resisting disturbance is strong, easy to maintenance, becomes the important selection of controller of design quartz lamp infrared emanation Aerodynamic Heating analog systems. Pilot system requires to possess and comprises testpieces hot-fluid, the control of temperature Warm status and monitoring capability. Control signal and monitor signal, the feedback information gathering heat flow transducer and thermocouple mainly through PLC obtains. In process of the test, also tend to need heater water cooling plant water velocity and the information such as cooled plate temperature, electrical power adjustment device current/voltage are monitored in real time. Pilot system needs possess multi-channel data acquisition ability, and to meet the monitoring to multichannel measurement channel data, and to controlling the measurement of feedback information, the heat test such as trousers needs to gather the signal up to roads up to a hundred.
Document " realization of a kind of Aerodynamic Heating simulation experiment system " utilizes SIEMENS PLC as controller, adopt configuration software WINCC to develop upper computer software, use ICP/IP protocol to communicate. Document " the Aerodynamic Heating systematic study of Ai Kete reference temperature method " use ICP/IP protocol carry out the communication between PLC and host computer. Document " the Aerodynamic Heating environmental simulation system based on PLC designs " utilizes Bei Jialai PLC as controller, use ICP/IP protocol to communicate.These are based on the communication pattern of ICP/IP protocol so that what host computer can not be real-time obtains feedback of status data, and communication simultaneously needs Occupation time, makes the control cycle can not be too short, affects control accuracy, and bottom communication driver writes complexity.
Summary of the invention
In order to solve the multi-channel data acquisition problem of Aerodynamic Heating simulation experiment system, the present invention provides a kind of multi-channel data collecting method based on WindowNT technical specification OPC data communication, can quickly realize the data acquisition more than up to hundred tunnels.
The technical solution adopted for the present invention to solve the technical problems is: 1) utilize the Warm status of temperature sensor, heat flow transducer sensitization test part; 2) PLC is every regular time, experiment with measuring part Warm status, utilize OPC outwardly show measured by the data that obtain; 3) host computer passes through the variable required for OPC scan test system; 4) utilize host computer human-computer interaction interface to be monitored variable to show; 5) by the control feedback quantity scanned and control law, calculating and obtain controlled quentity controlled variable, by OPC, assignment is in PLC; 6) PLC exports corresponding controlled quentity controlled variable, changes electrical power and regulates output and the testpieces Warm status of device.
The invention has the beneficial effects as follows: 1) to utilize OPC to realize the real time data of PC and PLC mutual, solves Aerodynamic Heating system multi-channel data Quick Acquisition problem; 2) utilize OPC high reliability and high speed data transfer ability, real-time implementation closed loop control, it is possible to effectively shorten the control cycle, improve the tracking accuracy of spectral line; 3) have only to that opc server carries out simple setting just can use, eliminate and write the work that bottom communication drives.
Accompanying drawing explanation
Fig. 1 is Aerodynamic Heating simulation experiment system hardware structure diagram.
In figure, 1 host computer PC, 2 PLC, 3 electrical power regulate device, 4 quartz lamp heaters, 5 testpieces, 6 thermocouples.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the present invention is further described.
The application system structure of the invention process example, with reference to Fig. 1, is regulated device, 4 quartz lamp heaters, 5 testpieces and 6 thermocouples formed by 1 host computer, 2PLC, 3 electrical power. System passes through PLC Real-time Collection testing ground data, and output analogue signal controls electrical power and regulates the output in device; Regulating device by electrical power provides controllable voltage to carry out heat radiation heating to testpieces to quartz lamp heater.
Host computer adopts and grinds China industrial computer 610H, is configured mainly to: Duo E7400, internal memory 2GB, hard disk 160G.
PLC adopts Bei Jialai company B&RX20 series, has the following characteristics that hardware modularity; Group-net communication ability; Have and the interface of HMI communication; There is industrial computer ability; Reliable I/O bus protocol; Independent I/O bus and system bus; The terminal block of industrial strength; The high-performance of many I/O bus system. Comprise with lower module: CPU module, bus module, Analog input mModule, analog output module, Thermocouple module, frame, power module.
Electrical power regulate device select good triumphant in emerging JK3S series digital three-phase thyristor power controller, power 230kW. This device has perfect defencive function: open-phase protection, overtemperature protection, fault output interlocking function, overcurrent protection, overvoltage protection, against short-circuit protection, earth leakage protective. Mode of operation is set to: closed loop pressure regulation automatically controls. Adopt analog current signal as control signal.
Quartz lamp heater is made up of quartz lamp fluorescent tube matrix. The power of every fluorescent tube is 5kW. Input voltage is up to 380V. Surface of the light tube contains coating. Heater contains cooled plate. Cooled plate is welded by argon arc welding.
Testpieces adopts TB Type Titanium Alloy plate, and thickness is 5mm.
Thermocouple adopts OMEGAK type pyrometer couple, has the advantage that temperature-measuring range width, the linearity are good, Thermoelectric Power is higher, highly sensitive, oxidation resistance is relatively strong, heat outputting electromotive force is all more stable in reduction with oxidizing atmosphere. Thermocouple one end is solder joint, and the other end accesses the Thermocouple module of PLC, and thermometric line length is 20 meters.
Software section comprises PLC software and upper computer software two large divisions composition. The major function that upper computer software realizes is: given, the setting of control law parameter of temperature spectral line, the generation of controlled quentity controlled variable, test data preservation. The function that PLC software completes is the measurement of temperature data, and electrical power regulates device and controls the given of required analog current signal.
By netting twine, host computer is connected with PLC, uses the Bei Jialai PLC opc server software PVIOPCConfigurator provided to communicate setting. After opening opc server software, communication path selects PVI_LNINA2, bus selection INA2000, and communication modes selects Ethernet. The IP address of opc server is arranged to consistent with the address of PLC. CPU drop-down menu is chosen the name of PLC corresponding program, in pressing from both sides toward PLC variable files, imports the variable of required read-write.
Upper computer software utilizes LabWindows/CVI to write. DS_Open function in the provided function library of DataSocketLibrary is provided, creates communication and connect. The call method of this function is:
Result=DS_Open (" opc: //localhost/B&R.PviOPC.2/PLCVariables.test.X ", DSConst_ReadAutoUpdate, NULL, NULL, &dshandle_X)
Wherein, first parameter is the mapping path that read and write variable configures correspondence in opc server software; Second parameter represents it is real-time read-write; Last parameter is variable handle dshandle_X.
Host computer realizes the control of constant duration by opening the intervalometer of 100ms. Before intervalometer starts, by Read EXCEL Document, obtain the data of temperature objectives spectrum. After on-test, intervalometer starts, and adopts DS_GetDataValue function to obtain Temperature Feedback value and the temperature value of required observation station every regular time. The call format of this function is:
DS_GetDataValue(dshandle_G,CAVT_DOUBLE,&G[],0,0,0)
Wherein, first parameter is variable handle, and second parameter represents data type, and the 3rd parameter is the address of corresponding variable in reading PLC program. According to the feedback temperature data obtained and set pid parameter, produce controlled quentity controlled variable, utilize DS_SetDataValue to change the analog quantity of PLC output, to reach to control the purpose of the input voltage of quartz lamp fluorescent tube. The call format of this function is:
DS_SetDataValue(dshandle_u,CAVT_DOUBLE,u[],0,0,0)
Wherein, first parameter is variable handle, and second parameter represents data type, and the 3rd parameter is to change name variable in the PLC program corresponding to PLC analog output.
After off-test, timeing closing device, process of the test data are written in EXCEL file.
Claims (1)
1. the multi-channel data collecting method for Aerodynamic Heating simulation experiment system, it is characterised in that 1) utilize the Warm status of temperature sensor, heat flow transducer sensitization test part;2) PLC is every regular time, experiment with measuring part Warm status, utilize OPC outwardly show measured by the data that obtain; 3) host computer passes through the variable required for OPC scan test system; 4) utilize host computer human-computer interaction interface to be monitored variable to show; 5) by the control feedback quantity scanned and control law, calculating and obtain controlled quentity controlled variable, by OPC, assignment is in PLC; 6) PLC exports corresponding controlled quentity controlled variable, changes electrical power and regulates output and the testpieces Warm status of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034694.XA CN105676770A (en) | 2016-01-19 | 2016-01-19 | Multichannel data collection method for pneumatic heating simulated test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034694.XA CN105676770A (en) | 2016-01-19 | 2016-01-19 | Multichannel data collection method for pneumatic heating simulated test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105676770A true CN105676770A (en) | 2016-06-15 |
Family
ID=56301573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610034694.XA Pending CN105676770A (en) | 2016-01-19 | 2016-01-19 | Multichannel data collection method for pneumatic heating simulated test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105676770A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332934A (en) * | 2017-11-15 | 2018-07-27 | 北京空天技术研究所 | A kind of arc tunnel test method of non-ablative thermally protective materials/structure |
| CN109874182A (en) * | 2017-12-01 | 2019-06-11 | 中国飞机强度研究所 | A kind of Novel quartz lamp heating device |
| CN112461883A (en) * | 2020-11-25 | 2021-03-09 | 中国航天空气动力技术研究院 | System and method for simulating aerodynamic thermal test track |
| CN112965364A (en) * | 2021-02-08 | 2021-06-15 | 南京工业大学 | Modeling and iPID (induced draft identification) method for aerodynamic thermal ground simulation system of hypersonic aircraft |
| CN113219899A (en) * | 2021-07-08 | 2021-08-06 | 宜科(天津)电子有限公司 | General assembly line target information acquisition system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010026364A1 (en) * | 2008-09-08 | 2010-03-11 | Qinetiq Limited | Thermally emissive apparatus |
| CN101916108A (en) * | 2010-08-31 | 2010-12-15 | 上海交通大学 | Automation device for use in civil aircraft environment control system function test |
| CN102229361A (en) * | 2011-04-06 | 2011-11-02 | 北京航空航天大学 | Tester for aerodynamic heating structure |
| CN102262099A (en) * | 2011-04-15 | 2011-11-30 | 北京航空航天大学 | 1400-DEG C high-temperature thermal-mechanical coupling test device for aerofoil structure of hypersonic vehicle |
-
2016
- 2016-01-19 CN CN201610034694.XA patent/CN105676770A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010026364A1 (en) * | 2008-09-08 | 2010-03-11 | Qinetiq Limited | Thermally emissive apparatus |
| CN101916108A (en) * | 2010-08-31 | 2010-12-15 | 上海交通大学 | Automation device for use in civil aircraft environment control system function test |
| CN102229361A (en) * | 2011-04-06 | 2011-11-02 | 北京航空航天大学 | Tester for aerodynamic heating structure |
| CN102262099A (en) * | 2011-04-15 | 2011-11-30 | 北京航空航天大学 | 1400-DEG C high-temperature thermal-mechanical coupling test device for aerofoil structure of hypersonic vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 董国创，林辉，赵志刚: "基于PLC的气动热环境模拟系统设计", 《计算机测量与控制》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332934A (en) * | 2017-11-15 | 2018-07-27 | 北京空天技术研究所 | A kind of arc tunnel test method of non-ablative thermally protective materials/structure |
| CN108332934B (en) * | 2017-11-15 | 2019-03-05 | 北京空天技术研究所 | A kind of arc tunnel test method of non-ablative thermally protective materials/structure |
| CN109874182A (en) * | 2017-12-01 | 2019-06-11 | 中国飞机强度研究所 | A kind of Novel quartz lamp heating device |
| CN109874182B (en) * | 2017-12-01 | 2021-05-07 | 中国飞机强度研究所 | Novel quartz lamp heating device |
| CN112461883A (en) * | 2020-11-25 | 2021-03-09 | 中国航天空气动力技术研究院 | System and method for simulating aerodynamic thermal test track |
| CN112461883B (en) * | 2020-11-25 | 2023-06-20 | 中国航天空气动力技术研究院 | Pneumatic heat test track simulation system and method |
| CN112965364A (en) * | 2021-02-08 | 2021-06-15 | 南京工业大学 | Modeling and iPID (induced draft identification) method for aerodynamic thermal ground simulation system of hypersonic aircraft |
| CN113219899A (en) * | 2021-07-08 | 2021-08-06 | 宜科(天津)电子有限公司 | General assembly line target information acquisition system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105676770A (en) | Multichannel data collection method for pneumatic heating simulated test system | |
| CN103344902B (en) | A kind of LED transient thermal resistance measuring system | |
| CN104458799B (en) | A kind of method and apparatus of on-line measurement IGBT module transient thermal resistance | |
| CN205656518U (en) | Constant temperature control system | |
| CN103092230B (en) | Diffusion furnace smart temperature control system | |
| CN102944824B (en) | Test method for testing rectifier diode transient high temperature reverse leakage current | |
| CN110987239A (en) | Temperature measurement detection device for terminal base of electric energy meter | |
| CN105116009A (en) | Heating simulation device and heat pipe heat dispersion detection device | |
| CN106248728A (en) | Experiment of Thermophysics thermal balance environment automaton and control method thereof | |
| CN104569049A (en) | Method for rapidly assessing heat dissipation performance of solid crystal layer of non-cold-plate high-power LED (light-emitting diode) device | |
| CN210465319U (en) | Thermal conductivity gas analyzer | |
| CN106371483B (en) | A kind of method of space simulator heat sink temperature autonomous control | |
| CN104034378B (en) | Constant-current thermal gas mass flow meter and measuring method implemented by same | |
| CN102589736A (en) | Detection method and detection system for metal powder laser rapidly-molded temperature field | |
| CN105353334A (en) | Output model for controlling simulation thermal resistance through servo motor and operation method thereof | |
| CN103728546B (en) | The system of transistor life test acceleration and stabilization of operating point | |
| CN202119874U (en) | Measure apparatus of diode thermal resistance | |
| CN107329507A (en) | A kind of thermostatic control system | |
| CN104569065A (en) | Rapid evaluation method for cooling property of solid crystal layer of high-power LED apparatus | |
| CN202770534U (en) | Temperature field measuring device in laser processing process based on LabView | |
| Ifrim et al. | LabVIEW-based solar air heater monitoring system | |
| CN103134617A (en) | Intelligent heat engineering verification system | |
| CN205581683U (en) | A high accuracy temperature control system for optics microballon chamber | |
| CN207231807U (en) | A kind of test platform of SVG heat-pipe radiators characteristic | |
| CN104075661B (en) | Method for monitoring overhead tube bus displacement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |
|
| WD01 | Invention patent application deemed withdrawn after publication |