CN207663257U - A kind of high-performance steam turbine adjusting control device - Google Patents
A kind of high-performance steam turbine adjusting control device Download PDFInfo
- Publication number
- CN207663257U CN207663257U CN201820103458.3U CN201820103458U CN207663257U CN 207663257 U CN207663257 U CN 207663257U CN 201820103458 U CN201820103458 U CN 201820103458U CN 207663257 U CN207663257 U CN 207663257U
- Authority
- CN
- China
- Prior art keywords
- module
- steam turbine
- interface
- input
- main control
- 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
Links
- 238000004891 communication Methods 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 30
- 230000005284 excitation Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 241001274660 Modulus Species 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 abstract description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model is related to a kind of high-performance steam turbine adjusting control devices, it is particularly suitable for steam turbine, the middle-size and small-size rotating machinery rotating speed such as micro fuel engine, power, the closed-loop controls such as pressure, including circuit board, for the power supply module and shell of circuit board power supply, input/output signal processing unit is connected on the circuit board, HMI communicates debugging interface, field-bus interface, real-time operation unit and main control unit, the HMI communications debugging interface connects real-time operation unit, the main control unit is separately connected HMI communication debugging interfaces, real-time operation unit, input/output signal processing unit and field-bus interface.The utility model has the beneficial effects that：HMI is communicated debugging interface, field-bus interface, real-time operation unit and main control unit to complete using independent processor, it is ensured that the real-time high-performance of controller；Input and output reaction is fast, communication interface is more, is convenient for acquisition, processing, the transmission of data.
Description
Technical field
The utility model is related to a kind of Steam Turhine Adjustment controllers, and it is middle-size and small-size to be particularly suitable for steam turbine, micro fuel engine etc.
The closed-loop controls such as rotating machinery rotating speed, power, pressure.
Background technology
In the industrial production, small steam turbine as prime mover be widely used in UTILIZATION OF VESIDUAL HEAT IN, garbage power, Driving Fan,
The fields such as water pump, to the real-time of steam turbine control and flexibility, more stringent requirements are proposed for different application scenarios.
Steam turbine control uses deh control system at present.DEH systems by generally by power module, main control unit, input it is defeated
Go out module and it is special test the speed, valve servo module composition, using flexible, but production cost and maintenance cost are high, input and output
Reaction is slow.
Invention content
To solve the above-mentioned problems, the utility model provides a kind of with various communication interfaces, high-performance steam turbine adjusting
Controller.
A kind of high-performance steam turbine adjusting control device, including circuit board, for circuit board power supply power supply module and shell,
Input/output signal processing unit, HMI communications debugging interface, field-bus interface, in real time fortune are connected on the circuit board
Unit and main control unit are calculated, the HMI communications debugging interface connects real-time operation unit, and the main control unit is separately connected
HMI communicates debugging interface, real-time operation unit, input/output signal processing unit and field-bus interface.
Preferably, the input/output signal processing unit includes 12 road analog input circuits, 8 road analog output lines
Road, 12 railway digital amount incoming lines, 6 railway digital amount outlet lines, 3 tunnel pulse input circuits, 2 tunnel position feedback incoming lines.
Preferably, the analog input circuit includes sequentially connected first signal isolation module, the first AD conversion mould
Block, the first filter module, Current Voltage conversion module and AI input interfaces, the first signal isolation module connect master control list
Member.
Preferably, the analog output circuit includes sequentially connected second signal isolation module, the first DA moduluss of conversion
Block, the second filter module, Voltage to current transducer module and AO output interfaces, the second signal isolation module connect master control list
Member.
Preferably, the digital quantity incoming line includes that sequentially connected first light-coupled isolation module and DI inputs connect
Mouthful, first light-coupled isolation module connects main control unit.
Preferably, the digital output circuit include sequentially connected second light-coupled isolation module, amplification drive module,
Relay and DO output interfaces, second light-coupled isolation module connect main control unit.
Preferably, the pulse input circuit include sequentially connected third light-coupled isolation module, it is hysteresis comparison module, preceding
Processing module and pulse input interface, the third light-coupled isolation module is held to connect main control unit.
Preferably, the position feedback incoming line includes third signal isolation module, the second D/A conversion module, the 2nd AD
Conversion module, third filter module, the 4th filter module, main coil excitation module, secondary coil feedback module and position feedback
Interface, the third signal isolation module is separately connected main control module, the second D/A conversion module, the second AD conversion module, described
Third filter module is separately connected the second D/A conversion module, main coil excitation module, and the 4th filter module is separately connected the
Two AD conversion modules, secondary coil feedback module, the main coil excitation module, secondary coil feedback module are separately connected position feedback
Interface.
Preferably, the HMI communications debugging interface uses 32 arm processors, and the processor, which is connected with, to be sequentially connected
Mac controller, pulse transformer and RJ45 interfaces.
Preferably, the field-bus interface includes 1 tunnel CAN communication circuit, 2 road Profibus-DP or Modbus RTU
Communication line, the CAN communication circuit include sequentially connected CAN controller, CAN interface, and the CAN controller connects master control
Unit, Profibus-DP the or Modbus RTU communication lines include the RS485 interfaces for connecting main control unit, the RS485
Interface connects Profibus-DP or Modbus RTU interfaces.
The utility model has the beneficial effects that：By HMI communicate debugging interface, field-bus interface, real-time operation unit with
And main control unit is completed using independent processor, it is ensured that the real-time high-performance of controller；Input and output reaction is fast, communication interface is more,
Convenient for the acquisition, processing, transmission of data.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the utility model integral module connection block diagram；
Fig. 2 is that module connects detailed diagram in the utility model.
Specific implementation mode
Below in conjunction with attached drawing, the technical solution of the utility model is further described, but the utility model and unlimited
In these embodiments.
In conjunction with attached drawing 1, a kind of high-performance steam turbine adjusting control device, including circuit board, for circuit board power supply power supply mould
Block and shell are connected with input/output signal processing unit, HMI communications debugging interface, fieldbus on the circuit board
Interface, real-time operation unit and main control unit, HMI communicate debugging interface, real-time operation unit and main control unit in
Portion's high-speed bus carries out data exchange.
High-performance steam turbine adjusting control device power supply module is two-way 24V direct currents.
Real-time operation unit uses 32 high-performance arm processors, completes " logical operation-data exchange-self diagnosis-
Logical operation " cycle task ensure that controller real-time control performance due to other no interrupt tasks.
Main control unit uses FPGA processor, since FPGA processing has the function of concurrent operation, for believing input and output
Number processing, field-bus interface management.
HMI communicates debugging interface and uses 32 high-performance arm processors, is communicated with HMI and controller tune for handling
It tries mouth.
Input/output signal processing unit includes 12 road analog input circuits 1,8 road analog output circuits 2,12 ways
Word amount incoming line 3,6 railway digital amount outlet lines 4,3 tunnel pulse input circuits 5,2 tunnel position feedback incoming lines 6.Due to line
Road is complicated, and each circuit all the way therein is only shown in attached drawing 2.
Analog input circuit：Live electric current first by AI input interfaces 11 input, Current Voltage conversion module 12 into
Row Current Voltage is converted, and 4-20mA current signals is changed into voltage signal by precision resistance, then pass through the first filter module 13
It after being filtered, then is AD converted by the first AD conversion module 14, then by the first signal isolation module 15, by
Channel data buffer area is written in transformed analog quantity code value by FPGA processor.
Analog output circuit：The output code value that channel is corresponded to buffer area by FPGA processor passes through second signal isolation mode
Voltage signal is converted by the first D/A conversion module 22 again after block 21, using the filtering of the second filter module 23 and electric current electricity
Conversion module 24 is pressed, setting electric current or voltage value are exported by AO output interfaces 25.
Digital quantity incoming line：Live DI signals are inputted by DI input interfaces 31, by the first light-coupled isolation module 32
FPGA processor pin is inputted, FPGA processor is built-in to filter algorithm of signal-wobble elimination, and will be worth write-in channel data buffer area accordingly.
Digital output circuit：The output valve that channel is corresponded to buffer area by FPGA processor passes through the second light-coupled isolation module
41 outputs, by amplifying drive module 42, relay 43, final DO output interfaces 44 export.
Position feedback incoming line：FPGA processor is filtered by third isolation module 61, the second D/A conversion module 62, third
Wave module 63 exports sine voltage pumping signal and drives differential change pressure sensor main coil 64, by position feedback interface 65,
Secondary coil 66 obtains the voltage of secondary coil, according to phase sensitivity by carrying out the second AD conversion module 68 after 67 processing of the 4th filtering
Current sensor position signal is calculated in method.
Pulse input circuit：Live pulse generator signal first passes around front end processing block by pulse input interface 51
After the front-end processings such as 52 isolated DC components, filtering, hysteresis comparison is carried out by hysteresis comparison module 53, using third optocoupler
Isolation module 54 enters FPGA processor, carries out frequency calculating by FPGA processor, obtains pulse frequency value.Frequency algorithm uses
Pulse counting method obtains frequency values according to the calculating pulse number of setting divided by burst length, the algorithm minimum update cycle be
Frequency values can be calculated in pulse period, i.e. single pulse.
Field-bus interface includes 1 tunnel CAN communication circuit 7,2 road Profibus-DP or Modbus RTU communication lines 8.
CAN communication circuit：CAN protocol stack built in FPGA processor realizes CAN by CAN interface 71, CAN controller 72
Communication.Can not only have controller, the instrument communication of CAN protocol with other, while multiple turbine controllers can be with configuration
CAN communication network realizes that multicomputer coordinates control.
Profibus-DP/Modbus RTU communication lines：Profibus-DP/Modbus RTU communications protocol built in FPGA
Stack, by RS485 interfaces 81, Profibus-DP/Modbus RTU interfaces 82 realize communication, when Profibus-DP is communicated, branch
The communication of two-way redundancy Profibus-DP slave stations is held, when being communicated as Modbus RTU, supports the master/slave communications of Modbus.
HMI communicates debugging interface：Using 32 arm processors, FreeRTOS real time operating systems are run, support Modbus
Transmission Control Protocol and debugging interface agreement pass through mac controller, pulse transformer and RJ45 interfaces and interchanger or PC machine ether
Network interface connection realizes HMI display operations, debugging function.Support that (3 Modbus TCP+1 debugging connect maximum 4 TCP connections
Connect or 4 Modbus TCP connections), due to communication, debugging interface use separate processor, so its connect quantity do not influence
The control performance of controller.
Those skilled in the art of the present invention can do described specific embodiment various
Modify or supplement or adopt similar mode substitutes, but without departing from the spirit of the present application or surmounts appended right and want
Seek range defined in book.
Claims (10)
1. a kind of high-performance steam turbine adjusting control device, including circuit board, for the power supply module and shell of circuit board power supply,
It is characterized in that：Input/output signal processing unit, HMI communications debugging interface, fieldbus is connected on the circuit board to connect
Mouth, real-time operation unit and main control unit, the HMI communications debugging interface connect real-time operation unit, the main control unit
It is separately connected HMI communications debugging interface, real-time operation unit, input/output signal processing unit and field-bus interface.
2. high-performance steam turbine adjusting control device according to claim 1, it is characterised in that：At the input/output signal
It is defeated including 12 road analog input circuits, 8 road analog output circuits, 12 railway digital amount incoming lines, 6 railway digital amounts to manage unit
Go out circuit, 3 tunnel pulse input circuits, 2 tunnel position feedback incoming lines.
3. high-performance steam turbine adjusting control device according to claim 2, it is characterised in that：The analog input circuit
Including sequentially connected first signal isolation module, the first AD conversion module, the first filter module, Current Voltage conversion module with
And AI input interfaces, the first signal isolation module connect main control unit.
4. high-performance steam turbine adjusting control device according to claim 2, it is characterised in that：The analog output circuit
Including sequentially connected second signal isolation module, the first D/A conversion module, the second filter module, Voltage to current transducer module with
And AO output interfaces, the second signal isolation module connect main control unit.
5. high-performance steam turbine adjusting control device according to claim 2, it is characterised in that：The digital quantity incoming line
Including sequentially connected first light-coupled isolation module and DI input interfaces, first light-coupled isolation module connects master control list
Member.
6. high-performance steam turbine adjusting control device according to claim 2, it is characterised in that：The digital output circuit
Including sequentially connected second light-coupled isolation module, amplification drive module, relay and DO output interfaces, second optocoupler
Isolation module connects main control unit.
7. high-performance steam turbine adjusting control device according to claim 2, it is characterised in that：The pulse input circuit packet
Include sequentially connected third light-coupled isolation module, hysteresis comparison module, front end processing block and pulse input interface, described
Three light-coupled isolation modules connect main control unit.
8. high-performance steam turbine adjusting control device according to claim 2, it is characterised in that：The position feedback input line
Road includes third signal isolation module, the second D/A conversion module, the second AD conversion module, third filter module, the 4th filtering mould
Block, main coil excitation module, secondary coil feedback module and position feedback interface, the third signal isolation module are separately connected
Main control module, the second D/A conversion module, the second AD conversion module, the third filter module are separately connected the 2nd DA moduluss of conversion
Block, main coil encourage module, and the 4th filter module is separately connected the second AD conversion module, secondary coil feedback module, described
Main coil excitation module, secondary coil feedback module are separately connected position feedback interface.
9. high-performance steam turbine adjusting control device according to claim 1, it is characterised in that：The HMI communications debugging connects
Mouth uses 32 arm processors, the processor to be connected with sequentially connected mac controller, pulse transformer and RJ45 and connect
Mouthful.
10. high-performance steam turbine adjusting control device according to claim 1, it is characterised in that：The field-bus interface
Including 1 tunnel CAN communication circuit, 2 road Profibus-DP or Modbus RTU communication lines, the CAN communication circuit includes successively
The CAN controller of connection, CAN interface, the CAN controller connect main control unit, Profibus-DP the or Modbus RTU
Communication line includes the RS485 interfaces for connecting main control unit, the RS485 interfaces connection Profibus-DP or Modbus RTU
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820103458.3U CN207663257U (en) | 2018-01-22 | 2018-01-22 | A kind of high-performance steam turbine adjusting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820103458.3U CN207663257U (en) | 2018-01-22 | 2018-01-22 | A kind of high-performance steam turbine adjusting control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207663257U true CN207663257U (en) | 2018-07-27 |
Family
ID=62945612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820103458.3U Expired - Fee Related CN207663257U (en) | 2018-01-22 | 2018-01-22 | A kind of high-performance steam turbine adjusting control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207663257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444625A (en) * | 2018-10-25 | 2019-03-08 | 南京国电南自维美德自动化有限公司 | Reliability steam turbine pitch driving device and method with secondary readback monitoring circuit |
-
2018
- 2018-01-22 CN CN201820103458.3U patent/CN207663257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444625A (en) * | 2018-10-25 | 2019-03-08 | 南京国电南自维美德自动化有限公司 | Reliability steam turbine pitch driving device and method with secondary readback monitoring circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201335953Y (en) | General-purpose input/output device | |
| CN201610970U (en) | GPRS intelligent electric valve actuating mechanism | |
| CN105680735A (en) | ARM processor-based four-axis servo motor motion control card and method | |
| CN206224181U (en) | A kind of multiple-axis servo drive system position feedback data interface card based on FPGA | |
| CN108845543A (en) | A kind of four axis punching press feeding robot electric control systems | |
| CN106227097B (en) | Multibus multi-axis motion controller | |
| CN105163510A (en) | Chip mounting machine control system based on Ethernet control automation technology (EtherCAT) bus | |
| CN203084509U (en) | Numerical control system, analogue type numerical control system, impulse type numerical control system and bus type numerical control system | |
| CN207663257U (en) | A kind of high-performance steam turbine adjusting control device | |
| CN204650244U (en) | A kind of digital control system in open type based on EtherCAT bus | |
| CN201163782Y (en) | Intelligent network gateway used for EPA/HART interconnection | |
| CN206710827U (en) | A kind of modular motion controller | |
| CN105955202A (en) | Network-based economical embedded five-axis numerical control system and control method thereof | |
| CN102072550A (en) | Intelligent control device suitable for group control of equipment in air-conditioning machine room | |
| CN105373109B (en) | A kind of Delta robots control system | |
| CN111506021A (en) | STM 32-based embedded multi-axis motion control system | |
| CN202025228U (en) | FCS (fieldbus control system) of desulphurization unit in thermal power plant | |
| CN204515479U (en) | A kind of 8 axle robot control systems based on EtherCAT bus | |
| CN105892413B (en) | A kind of modular Multi-axis motion control device | |
| CN205377910U (en) | Many PLC and parallel networking systems of CAN bus real -time communication | |
| CN206096885U (en) | Secondary water supply equipment energy consumption digit sampling control system | |
| CN105373080A (en) | Collaborative numerical control system based on soft bus | |
| CN206388053U (en) | A kind of dyeing apparatus stamp intelligent controlling device controlled based on CAN | |
| CN212034137U (en) | PROFIBUS-DP and CC-Link protocol converter | |
| CN214412612U (en) | Double-circuit hub servo motor driving and controlling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ji Yunfeng Inventor after: Tan Ailin Inventor before: Tu Changfeng Inventor before: Ji Yunfeng Inventor before: Tan Ailin |
|
| 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: 20180727 |