CN103019171B - Centralized control method of environmental simulation test device - Google Patents
Centralized control method of environmental simulation test device Download PDFInfo
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- CN103019171B CN103019171B CN201210408813.5A CN201210408813A CN103019171B CN 103019171 B CN103019171 B CN 103019171B CN 201210408813 A CN201210408813 A CN 201210408813A CN 103019171 B CN103019171 B CN 103019171B
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- Y—GENERAL 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides a centralized control method of an environmental simulation test device, which comprises a main control board inside the environmental simulation test device, wherein the main control board comprises a main controller, a data register, a remote monitoring communication module, a PID (Proportion Integration Differentiation) control module, a DO (Defense Order) action module, a DI (Data Input) detection module, an operation control module, a serial port communication module, a curve displaying and recording module, an LCD (Liquid Crystal Display) display and a touch screen; and the main controller adopting an ARM (Acorn RISC Machines) microprocessor is powerful. The method provided by the invention has good portability based on a Windows CE platform and is flexible in extension. Multi-threading running with isolating the data from a UI (User Interface) in the control process is high in efficiency and facilitates maintaining and adding new functions in the future. The method provided by the invention is characterized in that the hardware comprises three interfaces of RS-232, RS-485 and the network, and the software also comprises relative communication modules, so that a host computer regardless of a desktop computer or a notebook computer can conveniently realize remote control by one matched interface and the controller.
Description
Technical field
The present invention relates to the control technology of testing apparatus, particularly utilize network, reach the method and technology of concentrating collecting test device data store and management.
Background technology
Along with the development of science and technology, people are more and more higher to the requirement of product quality, and the manufacturer that applied environment testing apparatus improves product quality also gets more and more.The manufacturer of all trades and professions is also multifarious especially to the functional requirement of environment testing equipment, so just need a superior performance, the extraordinary environment testing equipment controller of extendability meets their demand.
Though at present common environment testing equipment controller is various in style, but framework can be divided into two kinds haply: a kind of is single-chip microcomputer framework, sort controller hardware performance is limited and interface is few, lack some common interfaces as network interface, the interfaces such as USB, extendability is very bad, sometimes will increase some function possibility circuit and software and all will revise.Framework is Programmable Logic Controller (PLC) framework, and sort controller performance is better than singlechip controller, but software transportability is bad, and price is more expensive, is not suitable for large batch of use.
Summary of the invention
For defect and the weak point of avoiding existing in prior art, the present invention proposes a kind of central controlled method of environmental simulation testing apparatus.The present invention seeks to develop a kind of stronger than single-chip microcomputer performance, favorable expandability, price is the controller more cheap than PLC again.
The present invention is by realizing by the following technical solutions:
Implement a kind of central controlled method of environmental simulation testing apparatus, described method comprises the steps:
A, first, in an environmental simulation testing apparatus, a master control borad is set, described master control borad comprises master controller, data register, remote monitoring communication module, pid control module, DO action module, DI detecting module, running control module, serial communication module, curve demonstration and logging modle, LCD display, touch-screen;
Described master controller adopts ARM microprocessor;
B, then, one sensor measurement module is set in environmental simulation testing apparatus, sensor in the input end JA(junction ambient) simulation test equipment of described sensor measurement module, sensor type comprises temperature, humidity, pressure, wind speed, sand and dust concentration, spectral intensity, acceleration, oxygen level sensor; The output of described sensor measurement module goes out end and connects serial communication module by the serial ports first interface COM1 on master control borad;
C, then arranges an I/O plate, the load-relay in the output terminal JA(junction ambient) simulation test equipment of described I/O plate in environmental simulation testing apparatus; The input end of described I/O plate connects serial communication module by serial ports the second interface COM2 on master control borad;
D, then arranges the outside expansion board of a communication interface in environmental simulation testing apparatus, and the outside expansion board of described communication interface comprises RS-232 interface, RS-485 interface, network interface, USB interface; Wherein RS-232 interface is connected with the RS-232 interface of outside computing machine by connecting line; RS-485 interface is connected with the outside RS-485 interface of computing machine by industrial-controlled general line; Network interface is connected with the network interface of computing machine by signal cable;
E, described master controller send instruction and receive data data register, remote monitoring communication module, pid control module, DO action module, DI detecting module, running control module, serial communication module, curve demonstration and logging modle, LCD display, touch-screen and manage; Wherein, data division partly separates and manages with user interface UI. and to improve operational efficiency, UI is only responsible for demonstration and user's input of data, and UI partly comprises: curve demonstration and logging modle, LCD display, touch-screen; All the other are data processing section; The calculating of data and processing are all carried out in other module. and each module has a main thread at running background, real-time calculating and processing related data;
F, next, running control module gets into smooth data division and user interface UI modules partly; Comprise by serial communication module and sensor measurement module, the communication of I/O plate pick-up transducers data and the DI data that read from I/O plate are saved to data register; Output data in data register and DO action data are sent to I/O plate simultaneously;
G, simultaneously, running control module is also carried out definite value running and is controlled comprising slope and calculate, and timing during definite value running and stopping, during program run, circulating, the control that section is inferior;
H, simultaneously, the actual value data PV that serial communication module is read from sensor measurement module and the setting value numerical value SV of pid control module compare and calculate; The data value of result of calculation and preparation output is data writing register again;
I, simultaneously, the output order of DO action module is to I/O plate, and opening or closing of pilot relay, controls the operation of whole environment testing equipment; Before this or in service, in the input of touch-screen end with revise the operation condition of each DO, and to set each condition be by PV action or move by SV;
J, simultaneously, DI detecting module is processed the alerting signal of sending here on I/O plate.When alerting signal triggers, make the output of corresponding alarm, and according to the rank of alarm, determine whether just demonstration information maybe will be cut away all output and shut down;
K, in service, data register is stored all parameters and data, and important parameter and data transmission are shown and logging modle to curve, then by it, is saved to hardware reservoir; Data are depicted as to curve shows simultaneously;
L, in service, the USB interface in the outside expansion board of communication interface is communicated with the USB interface memory device of computing machine, and history curve data are copied away.
In step e, by described LCD display, the upper and lower stacked setting of touch-screen, wherein, on LCD display, touch-screen, a side arranges running display key, running setting key, program setting key, curve display key, default key;
At opposite side, digital temperature or environmental characteristic display unit and Digital Humidity or environmental characteristic display unit are set; Module options button, setting value key and running/stopped status is set on LCD display, touch-screen to be shown.
In step F, a serial ports COM1 of described serial communication module is connect to sensor measurement module, another serial ports COM2 is connect to I/O plate.
In step D, between the external expansion board of described communication interface and remote monitoring communication module, have at least the connection of two kinds of patterns to be connected, be the connection being connected with second serial communication module in remote monitoring communication module, another kind is the connection being connected with network communication module in remote monitoring communication module.
After described curve display key in LCD display is pressed, arrival curve display interface, has humidity or environmental characteristic rule, temperature or environmental characteristic rule on described curve display interface;
Humidity or environmental characteristic setting reference line and humidity or environmental characteristic curve contrast humidity or environmental characteristic rule show;
Temperature or environmental characteristic setting reference line and temperature or environmental characteristic curve controlled temperature or environmental characteristic rule show;
On described curve display interface, set in addition button group, curve demonstration options button, curve setting options button and curve copy options button;
When described curve copy options button is pressed, history curve data, via the USB interface in remote monitoring communication module, the outside expansion board of communication interface, are communicated with USB interface memory device, and history curve data are copied away.
Described serial communication module also connects a preformed plate.
Compared with prior art, method of the present invention is good based on Windows CE platform transplantation, and expansion flexibly.
This controller software takes data and UI to divide out, the multithreading of function modoularization, and operational efficiency is high, and convenient safeguard in the future and increase new function.
This controller hardware possesses RS-232, three kinds of interfaces of RS-485 and network, simultaneously software also possesses relative communication module, host computer no matter be desktop computer or notebook computer can be very easily interface and controller by one of them coupling carry out Long-distance Control.
Accompanying drawing explanation
Fig. 1 is the total principle block diagram of the central controlled method of a kind of environmental simulation testing apparatus of the present invention;
Fig. 2 is serial communication module collection signal and the block diagram of exporting control signal in the central controlled method of a kind of environmental simulation testing apparatus of the present invention;
Fig. 3 is DI detecting module block diagram in the central controlled method of a kind of environmental simulation testing apparatus of the present invention;
Fig. 4 is the central controlled method medium-long range of a kind of environmental simulation testing apparatus of the present invention communication block diagram;
Fig. 5 is main control display interface schematic diagram in the central controlled method of a kind of environmental simulation testing apparatus of the present invention;
Fig. 6 is that in the central controlled method of a kind of environmental simulation testing apparatus of the present invention, curve shows schematic diagram;
Fig. 7 is that in the central controlled method of a kind of environmental simulation testing apparatus of the present invention, serial ports is selected schematic diagram.
Number in the figure:
The outside expansion board 2 of master control borad 1, communication interface,
Sensor measurement module 3,
I/O plate 4, preformed plate 5, master controller 10,
Data register 11,
Remote monitoring communication module 12, pid control module 13,
DO action module 14,
DI detecting module 15, running control module 101,
Serial communication module 16,
Curve shows and logging modle 17, LCD display 18,
Touch-screen 19,
Second serial communication module 20, serial ports COM1 161,
Serial ports COM2 162;
RS-485 interface 22, network interface 23, USB interface 24,
Network communication module 29, computing machine 31, running/stopped status show 301,
Running display key 30, curve display key 32, program setting key 33,
Running setting key 34, digital temperature or environmental characteristic display unit 36,
Digital Humidity or environmental characteristic display unit 37,
Running/stop key 38, full screen switch key 39, humidity or environmental characteristic rule 41,
Temperature or environmental characteristic rule 42, humidity or environmental characteristic setting reference line 411,
Humidity or environmental characteristic curve 412,
Temperature or environmental characteristic setting reference line 421, temperature or environmental characteristic curve 422,
Setting button group 46,
Curve show options button 43, curve setting options button 44,
Curve copy options button 45.
Embodiment
Below in conjunction with accompanying drawing and embodiment, method of the present invention is described in further detail:
As shown in Fig. 1～Fig. 7, implement a kind of central controlled method of environmental simulation testing apparatus, that in described method, use is ARM microprocessor (Advanced RISC Machines), that ARM microprocessor has is powerful, cost is low and the feature of saving energy.Be applicable to as embedded control, multimedia, DSP and movable application etc.
Method of the present invention comprises the steps:
A, first, one master control borad 1 is set in an environmental simulation testing apparatus, and described master control borad 1 comprises master controller 10, data register 11, remote monitoring communication module 12, pid control module 13, DO action module 14, DI detecting module 15, running control module 101, serial communication module 16, curve demonstration and logging modle 17, LCD display 18, touch-screen 19;
Described master controller 10 adopts ARM microprocessor;
B, then, one sensor measurement module 3 is set in environmental simulation testing apparatus, sensor in the input end JA(junction ambient) simulation test equipment of described sensor measurement module 3, sensor type comprises temperature, humidity, pressure, wind speed, sand and dust concentration, spectral intensity, acceleration, oxygen level sensor; The output terminal of described sensor measurement module 3 connects serial communication module 16 by the serial ports first interface COM1 on master control borad 1;
C, then arranges an I/O plate 4, the load-relay in the output terminal JA(junction ambient) simulation test equipment of described I/O plate 4 in environmental simulation testing apparatus; The input end of described I/O plate 4 connects serial communication module 16 by serial ports the second interface COM2 on master control borad 1;
D, then arranges the outside expansion board 2 of a communication interface in environmental simulation testing apparatus, and the outside expansion board 2 of described communication interface comprises RS-232 interface 21, RS-485 interface 22, network interface 23, USB interface 24; Wherein RS-232 interface 21 is connected with the RS-232 interface of outside computing machine 31 by connecting line; RS-485 interface 22 is connected with the outside RS-485 interface of computing machine 31 by industrial-controlled general line; Network interface 23 is connected with the network interface of computing machine 31 by signal cable;
E, 10 pairs of data registers 11 of described master controller, remote monitoring communication module 12, pid control module 13, DO action module 14, DI detecting module 15, running control module 101, serial communication module 16, curve demonstration and logging modle 17, LCD display 18, touch-screen 19 send instructions and receive data and manage; Wherein, data division partly separates and manages with user interface UI. and to improve operational efficiency, UI is only responsible for demonstration and user's input of data, and UI partly comprises: curve demonstration and logging modle 17, LCD display 18, touch-screen 19; All the other are data processing section; The calculating of data and processing are all carried out in other module. and each module has a main thread at running background, real-time calculating and processing related data;
F, next, running control module 101 gets into smooth data division and user interface UI modules partly; Comprise serial communication module 16 and sensor measurement module 3,4 communications of I/O plate, gather humiture data and the DI data that read from I/O plate are saved to data register 11; Output data in data register 11 and DO action data are sent to I/O plate 4 simultaneously;
G, simultaneously, running control module 101 is also carried out definite value running and is controlled comprising slope and calculate, and timing during definite value running and stopping, during program run, circulating, the control that section is inferior;
H, simultaneously, the actual value data PV that serial communication module 16 is read from sensor measurement module 3 and the setting value numerical value SV of pid control module 13 compare and calculate; The data value of result of calculation and preparation output is data writing register 11 again;
I, simultaneously, the output order of DO action module 14 is to I/O plate 4, and opening or closing of pilot relay, controls the operation of whole environment testing equipment; Before this or in service, in touch-screen 19 ends inputs with revise the operation condition of each DO, and to set each condition be by PV action or move by SV;
J, simultaneously, DI detecting module 15 is processed the alerting signal of sending here on I/O plates 4.When alerting signal triggers, make the output of corresponding alarm, and according to the rank of alarm, determine whether just demonstration information maybe will be cut away all output and shut down;
K, in service, all parameter and the data of data register 11 storage, and important parameter and data transmission are shown and logging modle 17 to curve, then by it, be saved to hardware reservoir; Data are depicted as to curve shows simultaneously;
L, in service, the USB interface 24 in the outside expansion board 2 of communication interface is communicated with the USB interface memory device of computing machine 31, and history curve data are copied away.
In step e, by described LCD display 18, the upper and lower stacked setting of touch-screen 19, wherein, on LCD display 18, touch-screen 19, a side arranges running display key 30, running setting key 34, program setting key 33, curve display key 32, default key 35;
At opposite side, digital temperature or environmental characteristic display unit 36 and Digital Humidity or environmental characteristic display unit 37 are set; Running/stop key 38, full screen switch key 39 and running/stopped status are set on LCD display 18, touch-screen 19 and show 301.
In step F, a serial ports COM1 161 of described serial communication module 16 is connect to sensor measurement module 3, another serial ports COM2 162 is connect to I/O plate 4.
In step D, between the external expansion board 2 of described communication interface and remote monitoring communication module 12, have at least the connection of two kinds of patterns to be connected, be the connection being connected with second serial communication module 20 in remote monitoring communication module 12, another kind is the connection being connected with network communication module 29 in remote monitoring communication module 12.
After described curve display key 32 in LCD display 18 is pressed, arrival curve display interface, has humidity or environmental characteristic rule 41, temperature or environmental characteristic rule 42 on described curve display interface;
Humidity or environmental characteristic set reference line 411 and humidity or environmental characteristic curve 412 contrasts humidity or environmental characteristic rule 41 shows;
Temperature or environmental characteristic setting reference line 421 and temperature or environmental characteristic curve 422 controlled temperatures or environmental characteristic rule 42 show;
On described curve display interface, set in addition button group 46, curve demonstration options button 43, curve setting options button 44 and curve copy options button 45;
When described curve copy options button 45 is pressed, history curve data, via the USB interface 24 in remote monitoring communication module 12, the outside expansion board 2 of communication interface, are communicated with USB interface memory device, and history curve data are copied away.
Described serial communication module 16 also connects a preformed plate 5.
In method of the present invention, adopt Checksum and verification account form, the ASCII character that is about to all characters in order be added and then and 255 carry out modular arithmetic, the sexadecimal number that obtains 2 is the Checksum check code of this string command.
PV: actual value, SV: setting value, UI is the abbreviation of User Interface user interface.
API(Application Programming Interface), application programming interface
A kind of proportion of utilization of PID (Proportion Integral Differential), integration, differential calculates the control mode of output quantity.
In service, all parameter and the data of data register 11 storage, and important parameter and data transmission are shown and logging modle 17 to curve, then by it, be saved to hardware reservoir; Data are depicted as to curve shows simultaneously; So be both convenient to check the variation tendency of these data, can when needing from now on, again consult again. by using the USB interface in communication interface boards history curve can also be copied away, by our special software with the aid of pictures, open and consult on computers.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. the central controlled method of environmental simulation testing apparatus, is characterized in that, described method comprises the steps:
A, first, one master control borad (1) is set in an environmental simulation testing apparatus, and described master control borad (1) comprises master controller (10), data register (11), remote monitoring communication module (12), pid control module (13), DO action module (14), DI detecting module (15), running control module (101), serial communication module (16), curve demonstration and logging modle (17), LCD display (18), touch-screen (19); Described master controller (10) adopts ARM microprocessor;
B, then, one sensor measurement module (3) is set in environmental simulation testing apparatus, sensor in the input end JA(junction ambient) simulation test equipment of described sensor measurement module (3), sensor type comprises temperature, humidity, pressure, wind speed, sand and dust concentration, spectral intensity, acceleration rule, oxygen level sensor; The output terminal of described sensor measurement module (3) connects serial communication module (16) by the serial ports first interface COM1 on master control borad (1);
C, then arranges an I/O plate (4), the load-relay in the output terminal JA(junction ambient) simulation test equipment of described I/O plate (4) in environmental simulation testing apparatus; The input end of described I/O plate (4) connects serial communication module (16) by serial ports the second interface COM2 on master control borad (1);
D, then arranges the outside expansion board (2) of a communication interface in environmental simulation testing apparatus, and the outside expansion board of described communication interface (2) comprises RS-232 interface (21), RS-485 interface (22), network interface (23), USB interface (24); Wherein RS-232 interface (21) is connected with the RS-232 interface of outside computing machine (31) by connecting line; RS-485 interface (22) is connected with the outside RS-485 interface of computing machine (31) by industrial-controlled general line; Network interface (23) is connected with the network interface of computing machine (31) by signal cable;
E, described master controller (10) send instruction and receive data data register (11), remote monitoring communication module (12), pid control module (13), DO action module (14), DI detecting module (15), running control module (101), serial communication module (16), curve demonstration and logging modle (17), LCD display (18), touch-screen (19) and manage; Wherein, data division partly separates and manages with user interface UI. and to improve operational efficiency, UI is only responsible for demonstration and user's input of data, and UI partly comprises: curve demonstration and logging modle (17), LCD display (18), touch-screen (19); All the other are data processing section; The calculating of data and processing are all carried out in other module. and each module has a main thread at running background, real-time calculating and processing related data;
F, next, running control module (101) gets into smooth data division and user interface UI modules partly; Comprise by serial communication module (16) and sensor measurement module (3), I/O plate (4) communication pick-up transducers data and the DI data that read from I/O plate are saved to data register (11); Output data in data register (11) and DO action data are sent to I/O plate (4) simultaneously;
G, simultaneously, running control module (101) is also carried out definite value running and is controlled comprising slope and calculate, and timing during definite value running and stopping, during program run, circulating, the control that section is inferior;
H, simultaneously, the actual value data PV that serial communication module (16) is read from sensor measurement module (3) and the setting value numerical value SV of pid control module (13) compare and calculate; The data value of result of calculation and preparation output is data writing register (11) again;
I, simultaneously, the output order of DO action module (14) is to I/O plate (4), and opening or closing of pilot relay, controls the operation of whole environment testing equipment; Before this or in service, in the input of touch-screen (19) end with revise the operation condition of each DO, and to set each condition be by PV action or move by SV;
J, simultaneously, DI detecting module (15) is processed the alerting signal of sending here on I/O plate (4), makes corresponding alarm output when alerting signal triggers, and determines that according to the rank of alarm to be whether demonstration information maybe will cut away all output and shut down;
K, in service, data register (11) is stored all parameters and data, and important parameter and data transmission are shown and logging modle (17) to curve, then by it, is saved to hardware reservoir; Data are depicted as to curve shows simultaneously;
L, in service, the USB interface (24) in the outside expansion board of communication interface (2) is communicated with the USB interface memory device of computing machine (31), and history curve data are copied away.
2. the central controlled method of a kind of environmental simulation testing apparatus according to claim 1, is characterized in that:
In step e, by described LCD display (18), the upper and lower stacked setting of touch-screen (19), wherein, in LCD display (18), the upper side of touch-screen (19), running display key (30), running setting key (34), program setting key (33), curve display key (32), default key (35) are set;
At opposite side, digital temperature or environmental characteristic display unit (36) and Digital Humidity or environmental characteristic display unit (37) are set; Running/stop key (38), full screen switch key (39) and running/stopped status are set on LCD display (18), touch-screen (19) and show (301).
3. the central controlled method of a kind of environmental simulation testing apparatus according to claim 2, is characterized in that:
In step F, by a serial ports COM1(161 of described serial communication module (16)) connect sensor measurement module (3), by another serial ports COM2(162) connect I/O plate (4).
4. the central controlled method of a kind of environmental simulation testing apparatus according to claim 1, is characterized in that:
In step D, between the outside expansion board of described communication interface (2) and remote monitoring communication module (12), have at least the connection of two kinds of patterns to be connected, be the connection that the second serial communication module (20) interior with remote monitoring communication module (12) is connected, another kind is the connection that the network communication module (29) interior with remote monitoring communication module (12) is connected.
5. the central controlled method of a kind of environmental simulation testing apparatus according to claim 2, is characterized in that:
After described curve display key (32) in LCD display (18) is pressed, arrival curve display interface, has humidity or environmental characteristic rule (41), temperature or environmental characteristic rule (42) on described curve display interface;
Humidity or environmental characteristic setting reference line (411) and humidity or environmental characteristic curve (412) contrast humidity or environmental characteristic rule (41) show;
Temperature or environmental characteristic setting reference line (421) and temperature or environmental characteristic curve (422) controlled temperature or environmental characteristic rule (42) show;
On described curve display interface, set in addition button group (46), curve demonstration options button (43), curve setting options button (44) and curve copy options button (45);
When described curve copy options button (45) is pressed, history curve data, via the USB interface (24) in remote monitoring communication module (12), the outside expansion board of communication interface (2), are communicated with USB interface memory device, and history curve data are copied away.
6. the central controlled method of a kind of environmental simulation testing apparatus according to claim 1, is characterized in that:
Described serial communication module (16) also connects a preformed plate (5).
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| CN108648421A (en) * | 2018-05-09 | 2018-10-12 | 北京瑞尔腾普科技有限公司 | A kind of alarm method, apparatus and system |
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| TW200713005A (en) * | 2005-09-23 | 2007-04-01 | Ritek Corp | A flash memory disk having measuring functionality |
| CN101004606A (en) * | 2006-12-20 | 2007-07-25 | 浙江大学 | Multiparameter measurement and control system for greenhouse based on embedded type technique |
| KR20090017053A (en) * | 2007-08-13 | 2009-02-18 | 김강주 | Environmental information detector using communication module and method thereof |
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