CN202133905U - Integrated intelligent verification apparatus for industrial distributed control system - Google Patents

Integrated intelligent verification apparatus for industrial distributed control system Download PDF

Info

Publication number
CN202133905U
CN202133905U CN201120156370U CN201120156370U CN202133905U CN 202133905 U CN202133905 U CN 202133905U CN 201120156370 U CN201120156370 U CN 201120156370U CN 201120156370 U CN201120156370 U CN 201120156370U CN 202133905 U CN202133905 U CN 202133905U
Authority
CN
China
Prior art keywords
data
dcs
signal source
opc
verification
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.)
Expired - Fee Related
Application number
CN201120156370U
Other languages
Chinese (zh)
Inventor
彭钢
李鹏
袁晓磊
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.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Hebei Electric Power Construction Adjustment Test Institute
Original Assignee
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
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 Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd filed Critical Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Priority to CN201120156370U priority Critical patent/CN202133905U/en
Application granted granted Critical
Publication of CN202133905U publication Critical patent/CN202133905U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model provides an integrated intelligent verification apparatus for an industrial distributed control system, relating to the field of industrial automatic control. The integrated intelligent verification apparatus comprises a terminating machine and a host, wherein the terminating machine includes a housing, an antenna, a standard process signal source, a signal output cable, and a ZigBee wireless transmission module, and the standard process signal source and a signal output line thereof are embedded in the terminating machine; and the host includes a housing, an antenna, a ZigBee wireless transmission module, and an OPC asynchronous communication data acquisition module. The integrated intelligent verification apparatus is suitable for integrated intelligent verification of various DCS systems, simple in structure, unique, high in precision, high in efficiency and strong in versatility.

Description

The comprehensive intelligent calibration equipment of industry distribution type control system
Technical field
The utility model relates to field of industrial automatic control, specifically is a kind of comprehensive intelligent calibration equipment of industrial distribution type control system.
Background technology
The distribution type control system english abbreviation is DCS (Distributed Control System); It is one, and what be made up of process control level and process monitoring level is the multi-level computer system of tie with the communication network; Be used for realizing the robotization control to the industry spot process, its basic thought is decentralised control, centralized operation, differentiated control, flexible configuration, configuration convenience.
The DCS system can be divided into four parts by function, systematic communication network, field process control module, man-machine interface and system configuration instrument.Wherein field control unit is the element of DCS system; Complete facing production course; Completion is to the controlled stage functions such as data acquisition, closed-loop control and sequence logical control works fine of procedural information, and its ingredient mainly comprises process control unit, communication interface module, data acquisition bus and I/O submodule part.
I/O submodule part has polytype I/O submodule part according to the diversity of field apparatus, to satisfy the needs of an on-the-spot various Info Link.The type of I/O submodule part has analog quantity inputting modular unit (AI), analog quantity output module (AO), pulsed quantity inputting modular unit (PI), digital quantity inputting modular unit (DI) and digital quantity output module (DO).
Along with the industrial digital process is more and more deep, the industrial process control technology is increasingly extensive, and the digitizing commercial production is also increasingly high to the requirement of distribution type control system.In practical application, the measuring accuracy and the control stiffness of distribution type control system and I/O module thereof affect industrial safety and stability and economic target to a great extent.Therefore, DCS equipment is carried out large-scale all-round property testing and verification just becomes requisite work.At present the method that distribution type control system carries out verification is mainly contained following several kinds in industry spot.
One, manual mode; Be that the verification personnel use standard signal source (such as the FLUKE744 process checking gauge) as each input channel of the I/O submodule part of distribution type control system standard signal to be provided; Current signal such as standard 4~20mA; Through changing the input signal of manual change standard signal source, and observe the reading of respective channel in the distribution type control system man-machine interface, carry out artificial data verification and accuracy analysis.Its shortcoming be at every turn can only verification I/O module one of them passage, inefficiency, data that can't process mass.In addition, the fastener rack of distribution type control system general with the pulpit apart from each other, accomplish normal verification work, need usually that several verification personnel interknit, collaborative work, ten minutes is loaded down with trivial details, greatly reduces work efficiency.
Two, the distribution type control system calibration equipment of more domestic industry control companies developments; These devices only possess single function usually; Such as the SOE signal checking; Switching value, the verification of analog quantity response time, but these products can't carry out data analysis and verification to the analog signals precision of complicacy, more do not possess the analysis emulation evaluation and test function of the DCS control system being carried out integrated data.
Three, some DCS control system manufacturers are the simple calibration equipment of its product development, but can only be applicable to particular dispersing formula system, do not possess versatility.
In sum, along with distribution type control system is constantly deepened in the importance in the industrial process control, single, manual, loaded down with trivial details in the past verification mode can not satisfy the requirement of modernized large-scale industry enterprise to the DCS control system.
The utility model content
The purpose of the utility model is to propose a kind of comprehensive intelligent calibration equipment of industrial distribution type control system; Comprehensive intelligent verification applicable to various DCS system; Utilize the mode of telecommunication relaying; Drive the normal data source DCS is carried out whole-process automatic verification operation, reach the purpose of the DCS system being carried out omnidistance verification, it is simple in structure, unique, precision is high, efficient is high, highly versatile.
The utility model is achieved in that
A kind of comprehensive intelligent calibration equipment of industrial distribution type control system is characterized in that having terminating machine and main frame two parts, and terminating machine comprises housing, switch, standard procedure signal source, output line, Zigbee wireless transport module; Built-in standard procedure signal source of terminating machine and output line thereof are used to connect DCS system control I/O passage, and the Zigbee wireless transport module is used for carrying out wireless telecommunications with main frame and accepts the instruction of main frame; Main frame comprises OPC asynchronous communication data acquisition module.
The utility model carries out verification by following method: through telecommunication technique; Realize the standard signal source long-distance driver module; Realize that remotely changing or adjustment are placed on the output signal of engineer station's remote signal sources; For the I/O of DCS system submodule part provides the high precision standard checking signal, such as electric current, voltage, frequency, resistance output valve or the like; The opc server that provides to different DCS system is on the other hand realized corresponding OPC asynchronous communication data acquisition module, adopts the subscription communication mechanism of OPC automation interface that each rack of DCS system, each fastener, each passage are carried out real-time data acquisition; The intelligent checking analysis platform is based on easy small and exquisite checking data library structure; Control and integrate omnidistance checking procedure; Send checking command to the standard signal source long-distance driver module; And obtain DCS system data information from the OPC asynchronous data acquisition system, inputoutput data is analyzed contrast and provided the system check result automatically; Possess intelligent man-machine interface, adopt the hommization software interface, can carry out multiple functional configuration to DCS system check operation easily.
Telecommunication technique be for solve in the DCS system check work between DCS rack electronics with the engineer station at a distance of distant problem.
Described telecommunication technique is the Zigbee wireless data transmission technology; Purple honeybee (zigbee) is the wireless network transmission technology of a kind of short distance, low rate, low-power consumption; Adopt DSSS technology modulate emission; Be used for a plurality of wireless senser netting mesh networks, be applicable to multiple wireless industrial controlling schemes.Other has alternative scheme to adopt electric power modem, utilizes electric wire to transmit high-frequency signal, loads on the high-frequency signal of carrying information on the electric current, and with the electric wire transmission, the modulator-demodular unit that receives information comes out high-frequency signal " decomposition " from electric current more then.
Described OPC asynchronous communication data acquisition module adopts disclosed OPC 3.0 kernels of OPC foundation; Be multidata parallel processing, two-way reliable delivery, caches exchange mechanism; Adopt asynchronous OPC framework; Multithreading DCOM model is different from the single-point operating function of traditional OPC, on original OPC communications protocol basis, user function property defining interface is provided.Constituting according to the DCS system, is unit with DCS rack, fastener, and the OPC data point of each field data passage is carried out overall treatment; Open up the buffer zone of two same capabilities in the system, a block buffer carries out the real time data communication, an other OPC data message that in time reads the following fastener that will handle; After treating that the interior data processing of first block buffer finishes; Pass to the check system database, second block buffer is seamless immediately to be connected with the data parallel processing, two block buffers circulation like this; Obtain high fastener data-handling efficiency, handle a large amount of real time datas thereby be implemented in the verification simultaneously of DCS system.
Described intelligent checking analysis platform adopt small and exquisite fast and need not to install and administration configuration SQLITE database; The characteristics of comprehensive DCS system check work; According to different DCS systems; Dynamic creation verification job data sheet comprises institute's verification channel information tables of data, verification status data table and check results data sheet.Man-machine interface adopts the .NET framework of Microsoft 4.0 frameworks and WPF (Windows Presentation Foundation) multimedia interactive graphical interface of user, current fastener, passage, verification progress and check results of carrying out verification of understanding that the user can visual and clear or the like.
The good effect of the utility model is: efficiently solve the manually complete and trivial operations that always exists in the DCS system check for a long time, the problem that the verification operating efficiency is low; Through making up a kind of DCS intelligent checking analysis platform; Utilize the mode of telecommunication; Drive the normal data source DCS is carried out whole-process automatic verification operation, and gather the data of the DCS I/O of system passage and the data analysis contrast in normal data source, thereby reach the purpose of the DCS system being carried out omnidistance verification.Its method is easy, unique, precision is high, efficient is high, highly versatile; Apparatus structure is simple, workable.Can carry out whole-process automatic analysis and verification to the analog signals precision of complicacy, and the DCS system is carried out the analysis emulation evaluation and test of integrated data.
Be described further explanation below in conjunction with embodiment and accompanying drawing thereof, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the control method schematic diagram of the utility model method one embodiment.
Fig. 2 is the structural representation of the utility model device one embodiment.
Fig. 3 is concrete verification operation program flow diagram.
Each symbol description is following among the figure:
The 1-DCS distribution type control system
2-system control machine cabinet
The 3-I/O fastener
The 4-I/O passage
5-DCS system engineer station
The 6-OPC server interface
7-OPC asynchronous communication data acquisition module
8-intelligent checking analysis platform
9-adopts telecommunication technique (purple honeybee or electric power modem)
The 10-standard signal source
11-DCS comprehensive intelligent method of calibration
12-outputting standard industry signal
The a-terminating machine
The b-standard signal source
The standard signal of c-output
D-Zigbee wireless communication module
The e-main frame
F-intelligent checking analysis platform
The graphical man-machine interface of g-
The h-OPC data acquisition module
The DCS system data that i-gathers
The j-calibration database
Embodiment
The utility model carries out verification by following method and step, referring to Fig. 1.
DCS control system (1) comprises control rack (2), and control rack (2) comprises dissimilar I/O fasteners (3), and I/O fastener (3) is made up of a plurality of I/O passages (4) again.The DCS fastener through after the digitizing, is delivered to the industry spot signal DCS engineer station (5) through network-bus with data and is handled, and the DCS system provides opc server (6) usually simultaneously, makes the DCS system data to share.
DCS intelligent checking method (11); Through setting up the intelligent checking platform (8) of a core; Set up and control whole checking procedure, wherein intelligent checking platform (8) comprises functions such as man-machine figure interactive interface, calibration database and verification operation control desk.Because the common apart from each other of electric room at the engineer station of DCS control system and rack place; Bring very burden for general system check work; This method adopts telecommunication technique (9), realizes driving and the control of intelligent checking analysis platform (8) to standard signal source (10).Standard signal source (10) accept the steering order of intelligent checking analysis platform (8) and in the DCS system a certain I/O passage of the I/O fastener of a certain corresponding types send standard signal (12).The DCS system obtains standard signal through opc server (6) with it and offers DCS intelligent checking method described OPC asynchronous communication acquisition module (7); The data that intelligent checking analysis platform (8) comes standard industry signal of being exported (12) and OPC asynchronous communication acquisition module (7) collection compare; Calculate precision or other verification contents of certain I/O channel signal in the DCS system, thereby accomplish whole intelligent checking process.
Below with the explanation of the structure of the utility model device one embodiment as follows, referring to Fig. 2.
1, end device (a).Built-in standard procedure signal source (b) and output line (c) thereof are used to connect DCS system control I/O passage, and Zigbee wireless transport module (d) is used for carrying out wireless telecommunications with main frame () and accepts the instruction (b) of main frame.
Standard procedure signal source (b) can be different according to distribution type control system the I/O module, various types of on-the-spot standard industry signals are provided.
The common used in industry standard signal has:
Switching value signal: reserve.
The high level voltage signal: range is from the voltage of-10~10V, 4~20mA electric current of externally fed, 4~20mA electric current of system's power supply.DC current when output, in the time of can providing the output function thermocouple of 25% and 100% automatic stepping and self-acting slope to export, apply maximum voltage: 30V between lead-out terminal and between ground, maximum output current: about 25mA.
The low level voltage signal: range is from-100~100mVDC, the millivolt signal of thermopair (E, J, K, L, N, R, S, T, U).High-precision automatic cold junction compensation can be provided, and the temperature of ℃ Huo ℉ shows.Can join high-precision temperature probe outward, accuracy: ± 0.2 ℃, probe temperature-measuring range :-20~100 ℃.Internal temperature compensation sensor RJC, 0~50 ℃ of temperature-measuring range, compensating error £ ± 0. 5 ℃.
The three-wire system resistance signal: range from 0~500 Ω (Cu10, Pt100, Ni120, Cu53).
Pulse signal: range is from 0~100kHz.
People's Republic of China's power industry standard " fuel-burning power plant distribution type control system technical conditions " (DL/T1083-2008) is stipulated: the class of accuracy requirement of distribution type control system; Analog quantity input signal (high level) ± 0.1%; Analog quantity input signal (low level) ± 0.2%, analog quantity output signals ± 0.25%, wherein the basic accuracy of all output signals reaches 0.02%; Output is shown as 6, and this device satisfies desired precision in the distribution type control system rules.
2, because the common apart from each other of electric room at the engineer station of distribution type control system and rack place brings very burden for general system check work, need several verification personnel to work in coordination with the verification work of accomplishing in the different location usually.This device is in order to realize the target of intelligent omnidistance verification; Adopted purple honeybee (zigbee) communication module (d) to carry out wireless data transmission, zifeng modular carries out communication through serial ports and standard signal source, and transmission range can reach 2000 meters between the zifeng modular; Penetrate with antijamming capability strong; Networking flexibility need provide the 9V-12V power supply to supply power, and can realize the data transparency transmission of many equipment rooms trunking scheme.If the work on the spot condition does not allow; Can also adopt electric power modem, utilize electric wire to transmit high-frequency signal, load on the high-frequency signal of carrying information on the electric current; With the electric wire transmission, the modulator-demodular unit that receives information decomposes high-frequency signal to come out from electric current more then.
3, the communication protocol between intelligent checking system host and the terminating machine
Data communication between standard signal source and the intelligent checking analysis platform adopts the point-to-point UART TO of full duplex USB connected mode, and communication baud rate is 9600.
The command word form of communication protocol is:
Zone bit Order line Parameter Stop bit
Zone bit: 1 byte ASC II sign indicating number: O.Order line: 2 byte ASC II sign indicating numbers.Parameter: the ASC II sign indicating number of a plurality of bytes.Stop bit: 1 byte ASC II sign indicating number: CR (0X0D).
The data layout of communication protocol:
Zone bit Order line Data Stop bit
Zone bit: 2 byte ASC II sign indicating numbers " #$ ".Order line: 2 byte ASC II sign indicating numbers.Data: multibyte ASC II sign indicating number.Stop bit: 1 byte ASC II sign indicating number " CR " (being 0X3F and 0X0D)
The communication api function:
In omnidistance intelligent checking system platform, define and encapsulated following four api functions, through these several api functions, thereby completion is assigned the instructions of standard signal source and is controled.
(1) foundation is connected with the long-range of standard signal source.
Be used for that standard signal source is carried out initialization and be connected, and obtain a handle of this standard signal source with long-range.The initialization rreturn value: 1 sends successfully for order is set; 0 sends unsuccessful for order is set.This function is used for setting up the intelligent checking platform and standard signal source carries out communication connection, its returned value specification the whether success that connects.
(2) send steering order to standard signal source.
With the successful connection of normal data source, on the basis that obtains this signal source handle, standard signal source is sent command control word.Rreturn value: 1 sends successfully for order is set; 0 sends unsuccessful for order is set.This function be with the basis of data source success communication connection on, send order be set.That order is set is unsuccessful if return, and possibly be because your form that order is set does not meet the requirement of instrument communication protocol.
(3) from the standard signal source return data
This function is to be used on the basis of host computer and signal source success communication connection, sending inquiry command, and its rreturn value is different according to the content of inquiry command, returns different numerical.
(4) break off and being connected of standard signal source
Parameter
Parameter name Parameter type Parametric description
Pointer CalibratorSess Set up the pointer of path with data source signal post
This function is to be used for breaking off online between intelligent platform and the signal source, and it is online whether its returned value specification successfully breaks off.Rreturn value: 1 is successfully to break off with signal source being connected; 0 is to break off unsuccessful with signal source.
4, from DCS control system image data
Nowadays, distribution type control system all provides opc server usually, such as Symphoney system of Ovation system, ABB or the like.Through opc server, can dynamic datas ten hundreds of among the DCS be carried out real-time collection.Verification personnel OPC data server docks, and through distinctive label, can inquire about and obtain the real time data information of specific integrated circuit board special modality.The verification personnel just can obtain to be sent by standard signal source through the OPC agreement like this, and the data message that is obtained by DCS.
The asynchronous OPC data acquisition module (e) that this method realizes; Adopt multidata parallel processing, bi-directional data transmission, caches exchange mechanism; Adopt asynchronous OPC framework; Multithreading DCOM model is different from the single-point operating function of traditional OPC, on original OPC communications protocol basis, user function property defining interface is provided.
Caches exchange mechanism is according to actual DCS system; With the fastener be unit with the overall treatment of OPC data point, open up the buffer zone of two same capabilities in the system, a block buffer carries out the real time data communication; An other OPC data message that in time reads the following fastener that will handle; After treating that the interior data processing of first block buffer finishes, pass to database, second block buffer is seamless immediately to be connected with the data parallel processing; Two block buffers circulation like this obtains high fastener data-handling efficiency.
On asynchronous OPC communication architecture basis, further expand data subscription service and PUSH service, be divided into to triggering PUSH and regularly subscribing to dual mode.The multidata parallel processor is made as the concurrent verification of multi-site data and provides the foundation; According to the data in the caches exchange district; The signal type that differentiation will detect carries out concurrent verification work simultaneously to the passage on the whole fastener, and data are handled database and DCS server respectively.
This method adopts under .NET framework 4.0 frameworks, and uses up-to-date OPC 3.0 kernels to carry out the exploitation of OPC client.
5, calibration database
To present domestic widely used DCS system, this method reads the DCS system information through the OPC agreement, and various types of DCS system is carried out Intelligent Recognition.According to variety classes DCS system, according to the data structure of its integrated circuit board, passage, create corresponding calibration database dynamically, and react the design feature of dissimilar DCS through man-machine interface.Database management language adopts small and exquisite easy embedded database SQLite, does not need network configuration and data base administration, and the client and server of database moves in the same process space, is applicable to portable embedded device.
According to different types of DCS system, corresponding tables of data can be created by system in database, below said content be the definition of the required access points of verification in tables of data:
[ID]: in database, be used to unique ID of discerning.AUTOINC(4)
The roll-call of quantities in [Name] DCS system.CHAR(100)
The range upper limit of [HL] quantities.INT(10,?3)
The range lower limit of [LL] quantities.INT(10,?3)
The unit of [UI] quantities.CHAR(10)
[BN] describes this quantities place DCS cabinet No..INT(10)
[MN] describes the card piece number of this quantities place rack.INT(10)
[CN] describes the channel number of this quantities place fastener.INT(10)
[Sort] describes the characteristic of this quantities, such as electric current, voltage etc.INT(10)
Whether [Completed] describe the verification of this quantities.Type: BOOL
The standard signal that [FieldValue] signal source is sent.FLOAT(10,?4)
[0%] is output as at 0% o'clock in signal source, the proof test value of DCS system.FLOAT(10,?4)
[25%] is output as at 25% o'clock in signal source, the proof test value of DCS system.FLOAT(10,?4)
[50%] is output as at 50% o'clock in signal source, the proof test value of DCS system.FLOAT(10,?4)
[75%] is output as at 50% o'clock in signal source, the proof test value of DCS system.FLOAT(10,?4)
[100%] is output as at 100% o'clock in signal source, the proof test value of DCS system.FLOAT(10,?4)
[StartTime] verification start time.DATETIME(10)
[T1] interlude 1.DATETIME(10)
[T2] interlude 2.DATETIME(10)
[T3] interlude 3. DATETIME (10)
[EndTime] verification concluding time.
6, omnidistance checking procedure
At first start the main frame (e) and the terminating machine (a) of intelligent checking device.The built-in portable industrial pc that has configured intelligent checking platform (f) of main frame (e) inserts the network of DCS system opc server with it.Intelligent checking platform (f) will attempt starting asynchronous OPC data acquisition module (h); Insert DCS system opc server; If successful connection can obtain needed DCS system data on the current opc server through the mode of subscribing to; Promptly work as system data and upgrade, then notify and accept this updating data information.For checking procedure, we only need the data of some or certain several passage, through card piece number, the channel number of intelligent checking platform (f) inquiry desired signal data, can obtain the channel signal data (i) of DCS system.
For the verification of a signalling channel, intelligent checking platform (f) sends 0% standard signal of this Channel Engineering unit's range through zifeng modular (d) to terminating machine (a), after 0% range data measured information is accomplished by OPC data acquisition module (h); Continue to send the standard signal of engineering unit range 25%; Be 50% range successively, 75% range, 100% range; After these data messages are all gathered completion, in database, be TRUE then with [Completed] of this access points assignment.Then standard signal data and measuring-signal data are carried out accuracy computation, thereby accomplish whole checking procedure (see figure 3).
When the intact passage of every test verification, the data in the whole checking procedure all with above-mentioned format in calibration database (j).When verification is accomplished, the verification staff can man-machine interface (g) transfers the data message real-time curve and the history curve of DCS system, data check result's functions such as automatic output.For the distribution type control system that the OPC data, services can't be provided, the virtual i/o that can provide with MODBUS or DCS producer is means in support.

Claims (1)

1. the comprehensive intelligent calibration equipment of an industrial distribution type control system is characterized in that having terminating machine and main frame two parts, and terminating machine comprises housing, switch, standard procedure signal source, output line, Zigbee wireless transport module; Built-in standard procedure signal source of terminating machine and output line thereof are used to connect DCS system control I/O passage, and the Zigbee wireless transport module is used for carrying out wireless telecommunications with main frame and accepts the instruction of main frame; Main frame comprises OPC asynchronous communication data acquisition module.
CN201120156370U 2011-05-17 2011-05-17 Integrated intelligent verification apparatus for industrial distributed control system Expired - Fee Related CN202133905U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120156370U CN202133905U (en) 2011-05-17 2011-05-17 Integrated intelligent verification apparatus for industrial distributed control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120156370U CN202133905U (en) 2011-05-17 2011-05-17 Integrated intelligent verification apparatus for industrial distributed control system

Publications (1)

Publication Number Publication Date
CN202133905U true CN202133905U (en) 2012-02-01

Family

ID=45522668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120156370U Expired - Fee Related CN202133905U (en) 2011-05-17 2011-05-17 Integrated intelligent verification apparatus for industrial distributed control system

Country Status (1)

Country Link
CN (1) CN202133905U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102654770A (en) * 2012-04-28 2012-09-05 成都电业局 Intelligent verification system of main transformer oil temperature and winding temperature controller
CN110262454A (en) * 2019-06-25 2019-09-20 三一重能有限公司 Test macro, the method and device of blower fan control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102654770A (en) * 2012-04-28 2012-09-05 成都电业局 Intelligent verification system of main transformer oil temperature and winding temperature controller
CN110262454A (en) * 2019-06-25 2019-09-20 三一重能有限公司 Test macro, the method and device of blower fan control system
CN110262454B (en) * 2019-06-25 2020-10-13 三一重能有限公司 Test system, method and device for fan control system

Similar Documents

Publication Publication Date Title
CN102163055B (en) Comprehensive intelligent check method of industrial distributed control system (DCS)
CN110535236B (en) Intelligent substation bay level simulation self-acceptance system and method
CN102944426A (en) Measurement and control system and method for test bed of X-type aero-engine
CN103905410A (en) Multi-channel communication protocol converter capable of converting user-defined protocol to Modbus protocol
CN205788161U (en) The test system of communication interface
CN110262425A (en) A kind of induction heating dcs
CN108052311A (en) A kind of metrical information system based on general system frame
CN201845360U (en) Electronic operation guidance system for assembly line
CN202133905U (en) Integrated intelligent verification apparatus for industrial distributed control system
CN109033279A (en) A kind of data processing method and module, computing platform and industrial Internet of Things
CN203219328U (en) Multiplex communication protocol converter
CN100428095C (en) Method for generating a structure representation which describes a specific automation system
US8160843B2 (en) Device and method for planning a production unit
CN106850639A (en) For the protocol conversion system and method for converting protocol of standard electric energy meter calibrating
CN202974663U (en) X type aeroengine test bench measuring and controlling system
CN102243489B (en) Cross-platform data processing system and method
CN102722975A (en) Method and system for reading data of electricity meter based on PROFIBUS
CN203658838U (en) Labview-based testing system of RS485 bus structure DCS system I/O slave station
CN104750093A (en) Labview based RS485 bus structure DCS system I/O slave station testing system
CN205882853U (en) Intelligent substation telemechanical communication debugging simulation equipment
CN220252445U (en) PLC automatic test system based on domestic program control instrument and component
CN107305373B (en) Pressure sensor and control system
CN219738048U (en) Signal collector based on PLC controller
CN216145127U (en) Transformer substation temperature and humidity control system based on Internet of things
CN106713474A (en) Serial port remote monitoring system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE ELECTRIC NET CROP. HEBEI ELECTRIC POWER CONS

Effective date: 20130320

Owner name: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RE

Free format text: FORMER OWNER: HEBEI ELECTRIC POWER RESEARCH INSTITUTE

Effective date: 20130320

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130320

Address after: 050021 Shijiazhuang Province, Yuhua Province Sports street, South Street, No. 238, No.

Patentee after: Electric Power Research Institute of Hebei Electric Power Corporation

Patentee after: State Grid Corporation of China

Patentee after: Hebei Electric Power Construction & Adjustment Research Institute

Address before: 050021 No. 238 South Sports street, Hebei, Shijiazhuang

Patentee before: Hebei Electric Power Research Institute

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120201

Termination date: 20160517