CN208969453U - A kind of manual station structure of fired power generating unit simulation - Google Patents
A kind of manual station structure of fired power generating unit simulation Download PDFInfo
- Publication number
- CN208969453U CN208969453U CN201822069438.1U CN201822069438U CN208969453U CN 208969453 U CN208969453 U CN 208969453U CN 201822069438 U CN201822069438 U CN 201822069438U CN 208969453 U CN208969453 U CN 208969453U
- Authority
- CN
- China
- Prior art keywords
- station
- output
- analog
- controller
- generating unit
- 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.)
- Active
Links
Landscapes
- Programmable Controllers (AREA)
Abstract
A kind of manual station structure of fired power generating unit simulation, which includes engineer station, operator station, interchanger, controller, analog input module, input end daughter board, analog output module and output terminal board；Engineer station and operator station are connect with interchanger by ethernet line respectively, controller is connected with interchanger by ethernet line, analog input module is connect with controller by the CAN bus of standard, analog output module is connect with controller by the CAN bus of standard, input end daughter board is connected with analog input module E by the DB37 line of standard, and analog output module is connected with output terminal board by the DB37 line of standard；It is simple that the utility model simulates hand off station connection relationship, working method multiplicity includes tracking, manually and automatically three kinds of working methods, can flexibly be switched between each working method, and analog output AO is limited by output change rate, with protecting bit function, safety and stability after restarting.
Description
Technical field
The utility model relates to power plant's control technology fields, and in particular to a kind of manual station structure of fired power generating unit simulation.
Background technique
Contain a large amount of Analog control and adjusting, such as various pressure values in fired power generating unit power generation process, temperature value,
Primary air flow, water flow, generation load etc..These analog values needs switch between manually and automatically, and in manual side
Various setting interfaces are supported under formula.The precision of Analog control directly determine unit whether can high-efficiency operation, save coal-fired.
The accuracy and real-time of automated manner are most important to the operation control of unit.If the operation and setting of analog value do not conform to
Reason frequently can lead to generating set shutdown, serious to will cause the serious accidents such as equipment damage, casualties.Analog quantity
The operating method of value and selection are most important, and many analog quantity operations, hand automatic selecting method reliability be not high at present, support
Operation interface is not able to satisfy the demand of actual set operation, and runnable interface is complicated, and complicated operating procedure and process increase
The probability of maloperation has potential limitation, and it is impossible to meet the demands of fired power generating unit analog quantity operation.It is basic herein
On, propose that a kind of fired power generating unit simulates manual station structure and method.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the purpose of the utility model is to provide a kind of simulations of fired power generating unit
Manual station structure, the manual station structure connection relationship of the simulation is simple, and working method multiplicity includes tracking, manually and automatically three kinds of works
Make mode, can flexibly switch between each working method, analog output AO is limited by output change rate, is had and is protected position after restarting
Function, safety and stability.
To achieve the above objectives, the utility model adopts the following technical solution:
A kind of manual station structure of fired power generating unit simulation, including engineer station A, operator station B, interchanger C, controller D, mould
Analog quantity inputting modular unit E, input end daughter board F, analog output module G and output terminal board H；
The engineer station A and operator station B is connect between interchanger C by ethernet line respectively, controller D and friendship
It changes planes and is connected by ethernet line between C, connected between analog input module E and controller D by the CAN bus of standard,
It is connected between analog output module G and controller D by the CAN bus of standard, input end daughter board F and analog input module
E is connected by the DB37 line of standard, and analog output module G is connected with output terminal board H by the DB37 line of standard.
The input end daughter board F includes 8 input channels, and each input channel includes two binding posts, and one is anode
Binding post, one is negative terminal, provides the two-wire system analog signals access of 4-20mA.
The output terminal board H includes 8 output channels, and each output channel includes two binding posts, and one is anode
Binding post, one is negative terminal, externally provides the output of 4-20mA two-wire system analog signals.
Engineer station A and operator station B provides the operation interface of simulation hand off station, including executes online order and match offline
Set two kinds of operations；Online order operates two ways by the operation of control configuration and debugging and monitored picture and executes, wherein control group
State debugging operations only operate in engineer station A, and monitored picture operation is run simultaneously in engineer station A and operator station B.
Engineer station A and operator station B has different permissions, wherein the permission highest of engineer station A, operator station B
Permission take second place；Engineer station A has the permission for executing online order and two kinds of off-line arrangement operations, is able to carry out online order
Operation and off-line arrangement operation；Operator station B has the permission for executing online command operation, and can only pass through monitored picture
Operation panel executes online command operation, cannot execute online command operation by control configuration and debugging operation, and cannot be into
The operation of row off-line arrangement.
Controller D executes calculating according to the execution cycle of setting, and the execution cycle of controller is necessary for 50 milliseconds of integer
Times, the execution cycle of controller D is arranged by engineer station A by user.
Input end daughter board F acquires 4-20mA analog signals, and analog input module E converts the analog signals of acquisition
Controller D is sent at digital signal；Controller D will need the digital signal exported to be sent to analog output module G, simulate
It measures output module G and the digital signal is converted into analog signal, the defeated of 4-20mA analog signals is completed by output terminal board H
Out.
A kind of fired power generating unit simulates the working method of manual station structure:
Hand off station is simulated, symbol is expressed as M/A, and the input for simulating hand off station includes process variable PV, device location feedback
FB, analog input AI, output tracking value TR, output valve tracking switch STR, setting pursuit gain SPTR, setting value tracking switch
SPSTR, it forces automatic ARE and forces manual MRE；
The output of simulation hand off station includes analog output AO, setting value output SP and hand Automatic Logos MA；
The intermediate parameters for simulating hand off station include output upper limit OutHigh, bottoming OutLow, the setting value output upper limit
SpHigh, setting value bottoming SpLow and switching change rate Rate.
The 4-20mA analog signals of acquisition are sent to analog input module E, analog input mould by input end daughter board F
The analog signals of acquisition are converted into digital signal and are sent to controller D by part E；Controller D according to the configuration of engineer application and
These signals are assigned to the corresponding of simulation hand off station and inputted by connection relationship；
After controller executes the method for completing simulation hand off station, the output for simulating hand off station is sent to analog output mould
The digital signal is converted into analog signal by part G, analog output module G, completes 4-20mA analog quantity by output terminal board H
The output of signal；
Simulating hand off station, there are three types of working methods, are tracking mode, manual mode and automated manner respectively；Three kinds of work sides
Formula has different priority, wherein tracking mode highest priority, is secondly manual mode, is then automated manner；
When output valve tracks switch STR=1, simulation hand off station is in tracking mode；When forcing manual MRE=1, force
When automatic ARE=0, simulation hand off station is in manual mode；When the operating surface by control configuration and debugging operation and monitored picture
When plate is set as manual mode, simulation hand off station is in manual mode, at this time MRE=1, ARE=0；When forcing manual MRE=0,
When forcing to be set as automated manner when automatic ARE=1 or by the operation panel of the operation of control configuration and debugging and monitored picture,
Simulation hand off station is in automated manner.
Simulation hand off station executes operation according to the execution cycle that controller D is set, and each execution cycle needs to determine setting
Value output SP, analog output AO and hand Automatic Logos MA；
(1) determination method of setting value output SP
Each execution cycle first determines whether that setting value tracks switch SPSTR, when setting value tracks switch SPSTR=1,
Setting value exports SP=and sets pursuit gain SPTR；When setting value tracks switch SPSTR ≠ 1, setting value exports the period on SP=
Setting value output；
Setting value output SP supports to be operated manually by the operation panel of the operation of control configuration and debugging and monitored picture；
(a) manual operation of control configuration is divided into: SP increases, SP subtracts, SP directly exports three kinds of modes；
(b) monitored picture is manually operated: when pressing increase and decrease button, setting value output SP directly increases and decreases width according to setting first
Value increase and decrease, if press the time greater than 2 seconds, further according to the increase and decrease rate of setting on the basis of having realized increase and decrease amplitude
Increase and decrease setting value and exports SP；
Setting value output SP is limited by setting value output upper limit SpHigh, setting value bottoming SpLow simultaneously；When
When SP > SpHigh, to ensure equipment safety, make SP=SpHigh；As SP < SpLow, to ensure equipment safety, make SP=
SpLow；
(2) determination method of analog output AO
Each execution cycle first determines whether that output valve tracks switch STR, when output valve tracks switch STR=1, simulation hand
Dynamic station is in tracking mode, analog output AO=output tracking value TR；
It when output valve tracks switch STR ≠ 1, needs further to judge simulation hand off station working method, when simulation is manual
Work stand in automated manner, analog output AO=analog input AI；
Analog output AO when simulation hand off station is run for the first time after controller D is restarted has the function of protecting position, that is, simulates
Amount output AO is equal to device location and feeds back FB, i.e. AO=FB；
When simulation hand off station is in manual mode, pass through the operation panel pair of control configuration and debugging operation and monitored picture
Analog output AO is operated manually, and analog output AO is exported as follows:
(a) debugging operations for controlling configuration are divided into analog output AO and increase operation, analog output AO reducing and simulation
Amount output AO directly exports three kinds of modes of operation, and increase and decrease operation is increased and decreased according to the variable value of user setting, according to user's
Given value is directly output to analog output AO；
(b) method that monitored picture manual operation provides a user manual setting simulation hand off station analog output AO, prison
The operation panel of control picture, which provides, to be increased button, subtract button and directly exports button, is carried out as follows, when pressing increasing button
Or when subtracting button, simulation hand off station analog output AO directly increases and decreases once, if pressed according to the increase and decrease amplitude of setting
Between be greater than 2 seconds when, according to setting increase and decrease rate increase and decrease analog output AO, when press directly output button when, simulation hand off station
The value of analog output AO is equal to the output valve that directly output button provides；
Under automated manner or manual work mode, analog output AO by switching change rate Rate limited, each
Period, analog output AO was calculated with the following method:
As (AOCurrent-AOLast)/dt > Rate, analog output AO=AOLast+Rate*dt；
As (AOLast-AOCurrent)/dt < Rate, analog output AO=AOLast-Rate*dt；
Wherein AOLast indicates the value of last calculating cycle analog output AO, and AOCurrent indicates this calculating cycle mould
Analog quantity exports the calculating output valve of AO, and Rate indicates that switching change rate Rate, dt indicate the execution cycle of controller D setting；
Analog output AO is limited by output upper limit OutHigh and bottoming OutLow simultaneously；Work as AO >
When OutHigh, to ensure equipment safety, make AO=OutHigh；As AO < OutLow, to ensure equipment safety, make AO=
OutLow；
(3) determination method of hand Automatic Logos MA
When simulation hand off station is in manual mode, hand Automatic Logos MA=1, when simulation hand off station is in automated manner
When, hand Automatic Logos MA=0；Simulation hand off station initial work mode is manual mode, hand Automatic Logos MA=1；Each fortune
The period is calculated, first determine whether to force automatic ARE and forces the state of manual MRE, when forcing automatic signal ARE=1, hand is marked automatically
Will MA=0；When forcing manual ringing MRE=1, hand Automatic Logos MA=1.
Compared to the prior art the utility model, has the advantages that
1, simulation hand off station working method is more, and user can select suitable operating mode according to demand.
2, analog output AO is limited by the output upper limit and bottoming simultaneously, so that the analog quantity of simulation hand off station
It exports safer.
3, analog output AO is limited by output change rate, so that simulation hand off station is more flat to the control of analog quantity
Surely, and in the switching of various working methods, output analog quantity can be changed by the safe rate of setting, be not in
Violent variation.
4, simulation hand off station has the function of that analog output AO protects position after restarting controller, i.e. controller is simulated after restarting
Amount output AO is equal to device location and feeds back FB, and hand off station analog output AO initialization is simulated after restarting without controller
It is 0.
Detailed description of the invention
Fig. 1 is a kind of fired power generating unit simulation manual operation station composition and attachment structure schematic diagram.
Fig. 2 is a kind of fired power generating unit simulation manual operation station logical model figure.
Fig. 3 is power plant's simulation hand off station application schematic diagram.
Specific embodiment
Below in conjunction with the application example in attached drawing and engineering, the utility model is described in further detail.
As shown in Figure 1, a kind of fired power generating unit of the utility model simulates manual station structure, including engineer station A, operator station
B, interchanger C, controller D, analog input module E, input end daughter board F, analog output module G and output terminal board H；Institute
It states engineer station A and operator station B to connect between interchanger C by ethernet line respectively, between controller D and interchanger C
It is connected, is connected between analog input module E and controller D by the CAN bus of standard, analog output by ethernet line
It is connected between module G and controller D by the CAN bus of standard, input end daughter board F and analog input module E pass through standard
The connection of DB37 line, analog output module G connected with output terminal board H by the DB37 line of standard.
The input end daughter board F includes 8 input channels, and each input channel includes two binding posts, and one is anode
Binding post, one is negative terminal, provides the two-wire system analog signals access of 4-20mA.
The output terminal board H includes 8 output channels, and each output channel includes two binding posts, and one is anode
Binding post, one is negative terminal, externally provides the output of 4-20mA two-wire system analog signals.
Engineer station A and operator station B provides the operation interface of simulation hand off station, including executes online order and match offline
Set two kinds of operations；Online order operates two ways by the operation of control configuration and debugging and monitored picture and executes, wherein control group
State debugging operations only operate in engineer station A, and monitored picture operation is run simultaneously in engineer station A and operator station B；
Engineer station A and operator station B has different permissions, wherein the permission highest of engineer station A, operator station B
Permission take second place；Engineer station A has the permission for executing online order and two kinds of off-line arrangement operations, is able to carry out online order
Operation and off-line arrangement operation；Operator station B has the permission for executing online command operation, and can only pass through monitored picture
Operation panel executes online command operation, cannot execute online command operation by control configuration and debugging operation, and cannot be into
The operation of row off-line arrangement；
Controller D executes calculating according to the execution cycle of setting, and the execution cycle of controller is necessary for 50 milliseconds of integer
Times, the execution cycle of controller D is arranged by engineer station A by user；
Input end daughter board F acquires 4-20mA analog signals, and analog input module E converts the analog signals of acquisition
Controller D is sent at digital signal；Controller D will need the digital signal exported to be sent to analog output module G, simulate
It measures output module G and the digital signal is converted into analog signal, the defeated of 4-20mA analog signals is completed by output terminal board H
Out.
As shown in Fig. 2, a kind of fired power generating unit described in the utility model simulates the working method of manual station structure:
Hand off station is simulated, symbol is expressed as M/A, and the input for simulating hand off station includes process variable PV, device location feedback
FB, analog input AI, output tracking value TR, output valve tracking switch STR, setting pursuit gain SPTR, setting value tracking switch
SPSTR, it forces automatic ARE and forces manual MRE；
The output of simulation hand off station includes analog output AO, setting value output SP and hand Automatic Logos MA；
The intermediate parameters for simulating hand off station include output upper limit OutHigh, bottoming OutLow, the setting value output upper limit
SpHigh, setting value bottoming SpLow and switching change rate Rate.
Simulating hand off station, there are three types of working methods, are tracking mode, manual mode and automated manner respectively；Three kinds of work sides
Formula has different priority, wherein tracking mode highest priority, is secondly manual mode, is then automated manner；
When output valve tracks switch STR=1, simulation hand off station is in tracking mode；When forcing manual MRE=1, force
When automatic ARE=0, simulation hand off station is in manual mode；When the operating surface by control configuration and debugging operation and monitored picture
When plate is set as manual mode, simulation hand off station is in manual mode, at this time MRE=1, ARE=0；When forcing manual MRE=0,
When forcing to be set as automated manner when automatic ARE=1 or by the operation panel of the operation of control configuration and debugging and monitored picture,
Simulation hand off station is in automated manner.
Simulation hand off station executes operation according to the execution cycle that controller D is set, and each execution cycle needs to determine setting
Value output SP, analog output AO and hand Automatic Logos MA；
(1) determination method of setting value output SP
Each execution cycle first determines whether that setting value tracks switch SPSTR, when setting value tracks switch SPSTR=1,
Setting value exports SP=and sets pursuit gain SPTR；When setting value tracks switch SPSTR ≠ 1, setting value exports the period on SP=
Setting value output；
Setting value output SP supports to be operated manually by the operation panel of the operation of control configuration and debugging and monitored picture；
(a) manual operation of control configuration is divided into: SP increases, SP subtracts, SP directly exports three kinds of modes；
(b) monitored picture is manually operated: when pressing increase and decrease button, setting value output SP directly increases and decreases width according to setting first
Value increase and decrease, if press the time greater than 2 seconds, further according to the increase and decrease rate of setting on the basis of having realized increase and decrease amplitude
Increase and decrease setting value and exports SP；
Setting value output SP is limited by setting value output upper limit SpHigh, setting value bottoming SpLow simultaneously；When
When setting value exports SP > setting value output upper limit SpHigh, to ensure equipment safety, make setting value output SP=setting value output
Upper limit SpHigh；When setting value exports SP < setting value bottoming SpLow, to ensure equipment safety, setting value is made to export SP
=setting value bottoming SpLow；
(2) determination method of analog output AO
Each execution cycle first determines whether that output valve tracks switch STR, when output valve tracks switch STR=1, simulation hand
Dynamic station is in tracking mode, analog output AO=output tracking value TR；
It when output valve tracks switch STR ≠ 1, needs further to judge simulation hand off station working method, when simulation is manual
Work stand in automated manner, analog output AO=analog input AI；
Analog output AO when simulation hand off station is run for the first time after controller D is restarted has the function of protecting position, that is, simulates
Amount output AO is equal to device location and feeds back FB, i.e. AO=FB；
When simulation hand off station is in manual mode, pass through the operation panel pair of control configuration and debugging operation and monitored picture
Analog output AO is operated manually, and analog output AO is exported as follows:
(a) debugging operations for controlling configuration are divided into analog output AO and increase operation, analog output AO reducing and simulation
Amount output AO directly exports three kinds of modes of operation, and increase and decrease operation is increased and decreased according to the variable value of user setting, according to user's
Given value is directly output to analog output AO；
(b) method that monitored picture manual operation provides a user manual setting simulation hand off station analog output AO, prison
The operation panel of control picture, which provides, to be increased button, subtract button and directly exports button, is carried out as follows, when pressing increasing button
Or when subtracting button, simulation hand off station analog output AO directly increases and decreases once, if pressed according to the increase and decrease amplitude of setting
Between be greater than 2 seconds when, according to setting increase and decrease rate increase and decrease analog output AO, when press directly output button when, simulation hand off station
The value of analog output AO is equal to the output valve that directly output button provides；
Under automated manner or manual work mode, analog output AO by switching change rate Rate limited, each
Period, analog output AO was calculated with the following method:
As (AOCurrent-AOLast)/dt > Rate, analog output AO=AOLast+Rate*dt；
As (AOLast-AOCurrent)/dt < Rate, analog output AO=AOLast-Rate*dt；
Wherein AOLast indicates the value of last calculating cycle analog output AO, and AOCurrent indicates this calculating cycle mould
Analog quantity exports the calculating output valve of AO, and Rate indicates that switching change rate Rate, dt indicate the execution cycle of controller D setting；
Analog output AO is limited by output upper limit OutHigh and bottoming OutLow simultaneously；When analog quantity is defeated
Out when AO > output upper limit OutHigh, to ensure equipment safety, analog output AO=is made to export upper limit OutHigh；Work as simulation
When amount output AO <bottoming OutLow, to ensure equipment safety, make analog output AO=bottoming OutLow；
(3) determination method of hand Automatic Logos MA
When simulation hand off station is in manual mode, hand Automatic Logos MA=1, when simulation hand off station is in automated manner
When, hand Automatic Logos MA=0；Simulation hand off station initial work mode is manual mode, hand Automatic Logos MA=1；Each fortune
The period is calculated, first determine whether to force automatic ARE and forces the state of manual MRE, when forcing automatic signal ARE=1, hand is marked automatically
Will MA=0；When forcing manual ringing MRE=1, hand Automatic Logos MA=1.
If attached drawing 3 is that hand off station application schematic diagram is simulated by power plant, simulating the number of hand off station in figure is 50-3, and 50-4 is mould
Analog quantity input, puts entitled PAI_004010110013, represents 1# first-stage reverse osmosis variable frequency pump value of feedback, be connected to simulation hand off station
FB；04-050-A33 indicates an analog input intermediate point, is first-stage reverse osmosis variable frequency pump control instruction, is connected to simulation
The AI of hand off station；1# first-stage reverse osmosis starting 2,1# first-stage reverse osmosis starting 3 and 1# first-stage reverse osmosis run three switching value warps
It is connected to the STR for simulating hand off station after crossing 50-11 or operation, 50-8 indicates a constant coefficient function, and it is 15 that output, which is value, even
It is connected to the I2, I1=0 of the selection of 50-9 analog input；The TR of 50-9 output connection analog input selection.Analog input choosing
The AO output selected connects 50-2, and 50-2 represents AO point PAO_004010110004, is 1# first-stage reverse osmosis variable frequency pump given value, answers
It is realized with the simulation hand off station and 1# first-stage reverse osmosis variable frequency pump is manually controlled, automatically controlled, and 1# first-stage reverse osmosis
The output of variable frequency pump given value is limited by change rate, when switching switch sets 1, the output of 1# first-stage reverse osmosis variable frequency pump given value
TR is tracked, realizes that automatically and manually controller is switched fast for 1# first-stage reverse osmosis variable frequency pump by the simulation hand off station, simultaneously
What be can be convenient is switched to tracking mode, ensure that the steady of 1# first-stage reverse osmosis variable frequency pump and safe operation.
Claims (5)
1. a kind of fired power generating unit simulates manual station structure, it is characterised in that: including engineer station (A), operator station (B), exchange
Machine (C), controller (D), analog input module (E), input end daughter board (F), analog output module (G) and output terminal board
(H)；
The engineer station (A) and operator station (B) are connect between interchanger (C) by ethernet line respectively, controller (D)
It is connected between interchanger (C) by ethernet line, passes through the CAN of standard between analog input module (E) and controller (D)
Bus connection, is connect between analog output module (G) and controller (D) by the CAN bus of standard, input end daughter board (F)
It is connected with analog input module E by the DB37 line of standard, analog output module (G) and output terminal board (H) pass through mark
Quasi- DB37 line connection.
2. a kind of fired power generating unit according to claim 1 simulates manual station structure, it is characterised in that: the input end daughter board
It (F) include 8 input channels, each input channel includes two binding posts, and one is positive terminal, and one is negative terminal
Column provides the two-wire system analog signals access of 4-20mA.
3. a kind of fired power generating unit according to claim 1 simulates manual station structure, it is characterised in that: the output terminal board
It (H) include 8 output channels, each output channel includes two binding posts, and one is positive terminal, and one is negative terminal
Column externally provides the output of 4-20mA two-wire system analog signals.
4. a kind of fired power generating unit according to claim 1 simulates manual station structure, it is characterised in that: engineer station (A) and
Operator station (B) provides the operation interface of simulation hand off station, including executes online order and two kinds of off-line arrangement operations；Online life
It enables and operates two ways by controlling configuration and debugging operation and monitored picture and execute, only operated in wherein controlling configuration and debugging operation
Engineer station A, monitored picture operation are run simultaneously in engineer station (A) and operator station (B).
5. a kind of fired power generating unit according to claim 1 simulates manual station structure, it is characterised in that: engineer station (A) and
Operator station (B) has different permissions, and wherein the permission highest of engineer station (A), the permission of operator station (B) are taken second place；Work
Cheng Shizhan (A) has the permissions for executing online order and two kinds of off-line arrangement operations, is able to carry out online command operation and offline
Configuration operation；Operator station (B) has the permission for executing online command operation, and can only pass through the operation panel of monitored picture
Online command operation is executed, online command operation cannot be executed by control configuration and debugging operation, and not can be carried out and match offline
Set operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069438.1U CN208969453U (en) | 2018-12-11 | 2018-12-11 | A kind of manual station structure of fired power generating unit simulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069438.1U CN208969453U (en) | 2018-12-11 | 2018-12-11 | A kind of manual station structure of fired power generating unit simulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208969453U true CN208969453U (en) | 2019-06-11 |
Family
ID=66766314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822069438.1U Active CN208969453U (en) | 2018-12-11 | 2018-12-11 | A kind of manual station structure of fired power generating unit simulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208969453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343371A (en) * | 2018-12-11 | 2019-02-15 | 西安热工研究院有限公司 | A kind of fired power generating unit simulation hand off station and method |
-
2018
- 2018-12-11 CN CN201822069438.1U patent/CN208969453U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343371A (en) * | 2018-12-11 | 2019-02-15 | 西安热工研究院有限公司 | A kind of fired power generating unit simulation hand off station and method |
| CN109343371B (en) * | 2018-12-11 | 2023-08-15 | 西安热工研究院有限公司 | Manual station and method for simulating thermal power generating unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103629414A (en) | Intelligent flow regulating controller for heat supply pipe network system and regulating and controlling method thereof | |
| CN105573243A (en) | Pump station monitoring system based on PLC | |
| CN208969453U (en) | A kind of manual station structure of fired power generating unit simulation | |
| CN202421819U (en) | Triple redundancy analog output module for DCS (Distributed Control System) | |
| CN205101049U (en) | Accurate electric liquid servo control device of TRT system | |
| CN104345268A (en) | Relay and solenoid valve test system | |
| CN204883407U (en) | Servo pressure control system | |
| CN105158718A (en) | Fault indicator comprehensive testing method and testing system | |
| CN204536817U (en) | A kind of controller and adopt the multi-station material transfer system of this controller | |
| CN101504135A (en) | Steam pressure equalization controller for boiler-turbine unit | |
| CN202735832U (en) | Test device for wind generator set control system | |
| CN212301719U (en) | TE board and thyristor simulation detection device | |
| CN104991582A (en) | Servo pressure control system | |
| CN109343371A (en) | A kind of fired power generating unit simulation hand off station and method | |
| CN203144438U (en) | Hot-blast furnace pressurizing control device | |
| CN202616774U (en) | Simple DC power supply current-sharing parallel system | |
| CN203720605U (en) | Equipment system for optimizing coordination control quality of distributed control system (DCS) | |
| CN203054172U (en) | Automatic withstanding voltage test platform for low-voltage electrical appliance | |
| CN205420467U (en) | BOF steelmaking produces process control system based on PLC | |
| CN203836339U (en) | Intelligent flow regulating controller of heat supply pipe network system | |
| CN210627653U (en) | Intelligent servo control hydraulic system transmission training operation table | |
| CN202727055U (en) | Prepress control system for artificial board production line | |
| CN202432070U (en) | Servo valve system switching device | |
| CN112179648A (en) | High-speed electromagnetic valve fatigue test device | |
| CN205152252U (en) | Blast furnace roof pressure controlling means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |