CN103760882A - Complete redundancy testing apparatus control system of direct-current valve cooling unit - Google Patents
Complete redundancy testing apparatus control system of direct-current valve cooling unit Download PDFInfo
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Abstract
The invention provides a complete redundancy testing apparatus control system of a direct-current valve cooling unit. The complete redundancy testing apparatus control system consists of two sets of programmable logic controllers, four sets of input/output modules, an acquisition measuring system, a synchronization module, a redundancy human-machine interface system, and a redundancy power supply and distribution system. According to the control system, complete redundancy configuration of software and hardware including hardware configuration, system power supply, main equipment control, instrument monitoring, signal acquisition processing, a human-machine interface, remote communication, operation data, parameter value setting, fault determination, and time-delay alarming and the like is realized. All electromechanical units and the sensor of the system are monitored and work automatically by a PLC; and instant exchange of the human being and the machine can be realized by a friendly interface of an MP operation panel. Operation parameters and alarm information bars of the system are transmitted to a main controller instantly; and the direct-current valve cooling unit can be operated and controlled remotely by the main controller, thereby realizing seamless joint of the valve cooling system and the host.
Description
Technical field
The present invention relates to direct current transmission converter valve cooling system control system, particularly a kind of complete redundancy test unit control system.
Background technology
The cold control system of straight-wavy valve is the nucleus equipment of straight-wavy valve cooling system, but the complete Redundancy Design defect of the cold control system of current each current conversion station straight-wavy valve is particularly outstanding, had a strong impact on the stable operation of straight-wavy valve cooling system, economic loss is huge, urgent need is carried out comprehensive research and system regulation, and the complete redundancy test unit of straight-wavy valve cooling system process chart as shown in Figure 1.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, provide a kind of direct current transmission converter valve cooling system complete test unit control system.
The cold complete redundancy test unit control system of straight-wavy valve comprises:
(1) redundancy programmable logic controller (PLC): be respectively programmable logic controller (PLC) A and programmable logic controller (PLC) B, for coordinating and processing various data, and send corresponding instruction;
(2) redundant input/output module: total quadruplet input/output module, described input/output module comprises digital quantity input module A, B, C and D, digital output modules A, B, C and D, analog input modules A, B, C and D, analog output module A, B, C and D, be used for passing on input signal and transfer to corresponding electromechanical equipment to programmable logic controller (PLC) and by the output signal of programmable logic controller (PLC), described digital quantity input module A and B, digital output modules A and B, analog input modules A and B, analog output module A and B, programmable logic controller (PLC) A set and switch board A, described digital quantity input module C and D, digital output module C and D, analog input module C and D, analog output module C and D, programmable logic controller (PLC) B set and switch board B, described quadruplet input/output module is connected with programmable logic controller (PLC) A and programmable logic controller (PLC) B by Profibus bus,
(3) collecting and measuring system: be connected with input/output module, for online acquisition signal, comprise electromechanical equipment operation or fault-signal and instrument measurement signal, described instrument is quadrupleization configuration instrument;
(4) synchronization module: for the communication between the programmable logic controller (PLC) of redundancy;
(5) redundancy human-computer interface system: two cover human-computer interface systems are connected with two cover programmable logic controller (PLC)s respectively, for showing fault and the running status of collecting and measuring system real-time parameter and the each electromechanical equipment of electromechanical equipment system, and can receive the operation of the each electromechanical equipment of operating personnel's operational order control, in described man-machine interface, establish operation picture, setting parameter, when pages such as prior fault, historical records;
(6) redundancy power supply-distribution system: be used to power-equipment that ac power power supply is provided and for opertaing device provides DC control supply, described power-equipment comprises main circulation pump, raw water pump, small pump, motorized valve, solenoid valve, blower fan of cooling tower, spray pump and the double-power supply switching device of the using and the reserved; Redundancy power supply-distribution system has two-way incoming power, described ac power power supply is taken from the 1# incoming power of 400V I section and the 2# incoming power from 400V II section, and main circulation pump, small pump and the well heater of described the using and the reserved pressed redundancy principle and be connected with 2# incoming power with 1# incoming power respectively; Described double-power supply switching device is pressed redundancy principle and is connected with 2# incoming power with 1# incoming power respectively, and blower fan of cooling tower, spray pump, raw water pump, motorized valve and the solenoid valve of described the using and the reserved are connected with double-power supply switching device respectively; Described opertaing device comprises two cover programmable logic controller (PLC)s, quadruplet power supply buffer module, quadruplet input/output module, quadruplet signal conversion module and quadrupleization configuration instrument; Described DC control supply take from the 1# direct supply of direct current chamber I section with from the 2# direct supply of direct current chamber II section, two-way incoming power converts after four groups of 24V direct supplys energize coupling module to by four groups of Switching Power Supplies respectively again and is coupled into four road 24V direct supplys and is respectively quadruplet power supply buffer module, quadruplet input/output module, quadruplet signal conversion module and quadrupleization configuration instrument power and powers.
In order better to realize the present invention, described digital quantity input module A and C composition module pair, digital quantity input module B and D composition module pair, the same passage of described quadruplet digital quantity input module is signal collected identical, the signal processing model of inner employing or logic, arbitrary module channels signal is effective, valve cooling system thinks that this signal is effective, some digital quantity input modules or the operation of not impact of channel failure system, the difference between simultaneity factor energy identification module also can be sent corresponding failure and report to the police; Described quadruplet digital quantity input module power supply divides and is arranged, and while disconnecting an arbitrary road direct supply during maintenance, does not affect other digital quantity input module work, and two module registration are that redundancy is standby mutually while often moving, and possess online insertion and removal function; Quadruplet digital quantity input module overlaps digital quantity input module than existing straight-wavy valve cooling system two and quantitatively doubles, redundance is doubled, and has reduced valve cooling system and cause not in digital quantity input module redundance the probability of system malfunction and tripping;
Described digital output modules A and C composition module pair, digital output module B and D composition module pair, the signal that the same passage of described quadruplet digital output module is exported is identical, relay of each channels drive, then the contact parallel connection of four relays is made for controlling opening/stopping of power-equipment, some digital output module channels or the operation of not impact of relay fault system, the difference between simultaneity factor energy identification module also can be sent corresponding failure and report to the police; Described quadruplet digital output modular power source divides and is arranged, and while disconnecting an arbitrary road direct supply during maintenance, does not affect other digital output module work, and two module registration are that redundancy is standby mutually while often moving, and possess online insertion and removal function; Quadruplet digital output module is overlapped digital quantity output module than existing straight-wavy valve cooling system two and is quantitatively doubled, redundance is doubled, simultaneously relay of the each module drive of quadruplet module improves 4 times than mode redundance in the configuration of relay of a relay of two module channels coupling rear drives of existing straight-wavy valve cooling system, greatly reduces valve cooling system and cause not in digital output module and relay redundance the probability of malfunction and the tripping of system dynamic equipment;
Described quadruplet analog input modular power source is independent mutually, quadrupleization configuration instrument signal is by the rear passage that also connects two analog input modules of connection of signal conversion module conversion, some module channels faults, another piece module can work on, the instrument of quadrupleization configuration still continues normal work, does not affect its redundant configuration; Signal conversion module is isolated instrument power, input signal, can effectively prevent interference and the impact of power ground on module of signal; The quadrupleization configuration collection signal of analog input module is that voltage-type signal is the mode of current mode signal than the analog input module dual configuration collection signal of existing straight-wavy valve cooling system, the redundance of module is doubled, can effectively improve system tripping and malfunction that valve cooling system causes because of analog input module failure, collection signal is voltage-type signal simultaneously, support analog input module to change online function, improved the operability of valve cooling system;
Described analog output module A and C composition module pair, digital quantity input module B and D composition module pair, the current signal of each module to each output half during normal work, after parallel connection, be superposed to the required current signal value of valve cooling system power-equipment, when one of them module of module centering breaks down, the automatic passivation malfunctioning module of valve cooling system, and provide valve cooling system power-equipment required current signal value by the module of fault not, two modules are to exported current signal parallel drive power-equipment after signal conversion module converts voltage signal to, the analog output module configuration of quadruple, allow some modules or channel failure, the online replacing of support module, redundance and the stability of whole valve cooling system analog output have been improved.
In order better to realize the present invention, between described quadrupleization configuration instrument, power supply is separate, after each instrument signal converts voltage signal to by signal conversion module, parallel connection accesses a set of analog input module, make both also tolerable instrument itself or its power fails of tolerable acquisition module fault of valve cooling system, described quadrupleization configuration instrument has fault self-checking function, when the fault of instrument own, the cold control system of straight-wavy valve will not used this instrument value to be uploaded to master system as system judgment value and by corresponding instrument fault-signal, quadrupleization configuration instrument is than the cold sole disposition of existing valve or dual configuring redundancy Du Genggao, make the configuration of valve cooling system instrument more reasonable, instrument value is more accurate, described quadrupleization configuration instrument logic takes four to select two logic, first quadrupleization configuration instrument value size is sorted, then by the large value of adjacent instrument after sequence, deduct little value, compare wherein two instrument of difference minimum and select two rear target instrument as four, then in two target instrument values, choose unfavorable value as straight-wavy valve cooling system alarm decision foundation.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
The cold complete redundancy test unit control system of straight-wavy valve is realizing complete redundant configuration aspect the software and hardwares such as hardware configuration, system power supply, main equipment control, instrument monitoring, signal acquisition process, man-machine interface, telecommunication, service data, parameter definite value, fault judgement, delayed alarm; In system, each electromechanical units and sensor are moved by PLC automatic monitoring, and realize man-machine instant interchange by the friendly interface of MP guidance panel; The operational factor of system and the instantaneous transmission of warning message bar be to master controller, and can pass through master controller remote control straight-wavy valve cooling system, realizes the seamless combination of the cool system of valve and main frame.
Spray pump is opened/stops according to straight-wavy valve cooling system by complete redundant signals disposal system and controls it and throw/move back operation.
Blower fan of cooling tower opens/stops according to entering valve temperature and controls, the rotating speed of fan starting rear fan regulates according to the target temperature setting and the actual valve temperature of entering, complete redundant signals disposal system is carried out after PID computing according to the change of error entering between valve temperature and target temperature, export an analog quantity to frequency converter, frequency converter carrys out raising frequency/frequency reducing according to the increase/minimizing of this analog quantity, thereby reach, regulate rotation speed of fan to change system radiating device, accurately control into the object of valve temperature.
Small pump has hand control and automation and opens/stop function, small pump manually opens/stops and can realize by the button in fully redundance man-machine interface, automatically open/stop by complete redundant signals disposal system and realize according to expansion tank liquid level, when expansion tank liquid level reaches termination of pumping liquid level, automatically stop small pump.
Well heater starts when entering valve temperature lower than setting value, by the control of complete redundant signals disposal system, and the quantity of throwing/moving back according to the high/low decision well heater that enters valve temperature.
Raw water pump only has manually the function of opening/stop, and can realize by the button in fully redundance man-machine interface.
The switching of electrically operated valve according to the working temperature of electrically operated valve setting with enter valve temperature and control, temperature control is divided into low temperature, middle temperature, high temperature section, the switch motorized valve along with entering valve temperature in different temperature sections, thereby make into valve temperature stabilization.
Solenoid valve is by the control of fully redundance signal processing system, and according to the pressure of expansion tank and automatic switch action makes the constant pressure of expansion tank in certain scope, thereby protection straight-wavy valve cooling system maintains certain static pressure.
Accompanying drawing explanation
Fig. 1 is straight-wavy valve cooling system test unit schematic diagram;
Fig. 2 is the cold complete redundancy test unit control system schematic diagram of straight-wavy valve;
Fig. 3 is that power-equipment is for distribution schematic diagram;
Fig. 4 is that opertaing device is for distribution schematic diagram;
Fig. 5 is that digital quantity input module signal is opened into schematic diagram;
Fig. 6 is that digital output module by signal is outputed schematic diagram;
Fig. 7 is that analog input module by signal is opened into schematic diagram;
Fig. 8 is that analog output module signal is outputed schematic diagram;
Fig. 9 is that instrument signal is opened into schematic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, embodiments of the present invention are described in further detail, but embodiments of the present invention are not limited to this.
As shown in Figure 2, the cold complete redundancy test unit control system of straight-wavy valve comprises:
(1) redundancy programmable logic controller (PLC): be respectively programmable logic controller (PLC) A and programmable logic controller (PLC) B, for coordinating and processing various data, and send corresponding instruction;
(2) redundant input/output module: total quadruplet input/output module, described input/output module comprises digital quantity input module A, B, C and D, digital output modules A, B, C and D, analog input modules A, B, C and D, analog output module A, B, C and D, be used for passing on input signal and transfer to corresponding electromechanical equipment to programmable logic controller (PLC) and by the output signal of programmable logic controller (PLC), described digital quantity input module A and B, digital output modules A and B, analog input modules A and B, analog output module A and B, programmable logic controller (PLC) A set and switch board A, described digital quantity input module C and D, digital output module C and D, analog input module C and D, analog output module C and D, programmable logic controller (PLC) B set and switch board B, described quadruplet input/output module is connected with programmable logic controller (PLC) A and programmable logic controller (PLC) B by Profibus bus,
(3) collecting and measuring system: be connected with input/output module, for online acquisition signal, comprise electromechanical equipment operation or fault-signal and instrument measurement signal, described instrument is quadrupleization configuration instrument;
(4) synchronization module: for the communication between the programmable logic controller (PLC) of redundancy;
(5) redundancy human-computer interface system: two cover human-computer interface systems are connected with two cover programmable logic controller (PLC)s respectively, for showing fault and the running status of collecting and measuring system real-time parameter and the each electromechanical equipment of electromechanical equipment system, and can receive the operation of the each electromechanical equipment of operating personnel's operational order control, in described man-machine interface, establish operation picture, setting parameter, when pages such as prior fault, historical records;
(6) redundancy power supply-distribution system: be used to power-equipment that ac power power supply is provided and provide DC control supply for opertaing device, as shown in Figure 3, described power-equipment comprises main circulation pump, raw water pump, small pump, motorized valve, solenoid valve, blower fan of cooling tower, spray pump and the double-power supply switching device of the using and the reserved; Redundancy power supply-distribution system has two-way incoming power, described ac power power supply is taken from the 1# incoming power of 400V I section and the 2# incoming power from 400V II section, and main circulation pump, small pump and the well heater of described the using and the reserved pressed redundancy principle and be connected with 2# incoming power with 1# incoming power respectively; Described double-power supply switching device is pressed redundancy principle and is connected with 2# incoming power with 1# incoming power respectively, and blower fan of cooling tower, spray pump, raw water pump, motorized valve and the solenoid valve of described the using and the reserved are connected with double-power supply switching device respectively; As shown in Figure 4, described opertaing device comprises two cover programmable logic controller (PLC)s, quadruplet power supply buffer module, quadruplet input/output module, quadruplet signal conversion module and quadrupleization configuration instrument; Described DC control supply take from the 1# direct supply of direct current chamber I section with from the 2# direct supply of direct current chamber II section, two-way incoming power converts after four groups of 24V direct supplys energize coupling module to by four groups of Switching Power Supplies respectively again and is coupled into four road 24V direct supplys and is respectively quadruplet power supply buffer module, quadruplet input/output module, quadruplet signal conversion module and quadrupleization configuration instrument power and powers.
In order better to realize the present invention, as shown in Figure 5, described digital quantity input module A and C composition module pair, digital quantity input module B and D composition module pair, the same passage of described quadruplet digital quantity input module is signal collected identical, the signal processing model of inner employing or logic, arbitrary module channels signal is effective, valve cooling system thinks that this signal is effective, some digital quantity input modules or the operation of not impact of channel failure system, the difference between simultaneity factor energy identification module also can be sent corresponding failure and report to the police; Described quadruplet digital quantity input module power supply divides and is arranged, and while disconnecting an arbitrary road direct supply during maintenance, does not affect other digital quantity input module work, and two module registration are that redundancy is standby mutually while often moving, and possess online insertion and removal function; Quadruplet digital quantity input module overlaps digital quantity input module than existing straight-wavy valve cooling system two and quantitatively doubles, redundance is doubled, and has reduced valve cooling system and cause not in digital quantity input module redundance the probability of system malfunction and tripping;
As shown in Figure 6, described digital output modules A and C composition module pair, digital output module B and D composition module pair, the signal that the same passage of described quadruplet digital output module is exported is identical, relay of each channels drive, then the contact parallel connection of four relays is made for controlling opening/stopping of power-equipment, some digital output module channels or the operation of not impact of relay fault system, the difference between simultaneity factor energy identification module also can be sent corresponding failure and report to the police; Described quadruplet digital output modular power source divides and is arranged, and while disconnecting an arbitrary road direct supply during maintenance, does not affect other digital output module work, and two module registration are that redundancy is standby mutually while often moving, and possess online insertion and removal function; Quadruplet digital output module is overlapped digital quantity output module than existing straight-wavy valve cooling system two and is quantitatively doubled, redundance is doubled, simultaneously relay of the each module drive of quadruplet module improves 4 times than mode redundance in the configuration of relay of a relay of two module channels coupling rear drives of existing straight-wavy valve cooling system, greatly reduces valve cooling system and cause not in digital output module and relay redundance the probability of malfunction and the tripping of system dynamic equipment;
As shown in Figure 7, described quadruplet analog input modular power source is independent mutually, quadrupleization configuration instrument signal is by the rear passage that also connects two analog input modules of connection of signal conversion module conversion, some module channels faults, another piece module can work on, the instrument of quadrupleization configuration still continues normal work, does not affect its redundant configuration; Signal conversion module is isolated instrument power, input signal, can effectively prevent interference and the impact of power ground on module of signal; The quadrupleization configuration collection signal of analog input module is that voltage-type signal is the mode of current mode signal than the analog input module dual configuration collection signal of existing straight-wavy valve cooling system, the redundance of module is doubled, can effectively improve system tripping and malfunction that valve cooling system causes because of analog input module failure, collection signal is voltage-type signal simultaneously, support analog input module to change online function, improved the operability of valve cooling system;
As shown in Figure 8, described analog output module A and C composition module pair, digital quantity input module B and D composition module pair, the current signal of each module to each output half during normal work, after parallel connection, be superposed to the required current signal value of valve cooling system power-equipment, when one of them module of module centering breaks down, the automatic passivation malfunctioning module of valve cooling system, and provide valve cooling system power-equipment required current signal value by the module of fault not, two modules are to exported current signal parallel drive power-equipment after signal conversion module converts voltage signal to, the analog output module configuration of quadruple, allow some modules or channel failure, the online replacing of support module, redundance and the stability of whole valve cooling system analog output have been improved.
Spray pump is opened/stops according to straight-wavy valve cooling system by redundancy programmable logic controller (PLC) and controls it and throw/move back operation.
Blower fan of cooling tower opens/stops according to entering valve temperature and controls, the rotating speed of fan starting rear fan regulates according to the target temperature setting and the actual valve temperature of entering, redundancy programmable logic controller (PLC) carries out after PID computing according to the change of error entering between valve temperature and target temperature, export an analog quantity to frequency converter, frequency converter carrys out raising frequency/frequency reducing according to the increase/minimizing of this analog quantity, thereby reach, regulate rotation speed of fan to change system radiating device, accurately control into the object of valve temperature.
Small pump has hand control and automation and opens/stop function, small pump manually opens/stops and can realize by the button in redundancy man-machine interface, automatically open/stop by redundancy programmable logic controller (PLC) and realize according to expansion tank liquid level, when expansion tank liquid level reaches termination of pumping liquid level, automatically stop small pump.
Well heater starts when entering valve temperature lower than setting value, by redundancy programmable logic controller (PLC) controls, and the quantity of throwing/moving back according to the high/low decision well heater that enters valve temperature.
Raw water pump only has manually the function of opening/stop, and can realize by the button in redundancy man-machine interface.
The switching of electrically operated valve according to the working temperature of electrically operated valve setting with enter valve temperature and control, temperature control is divided into low temperature, middle temperature, high temperature section, the switch motorized valve along with entering valve temperature in different temperature sections, thereby make into valve temperature stabilization.
Solenoid valve is by redundancy programmable logic controller (PLC) controls, and according to the pressure of expansion tank and automatic switch action makes the constant pressure of expansion tank in certain scope, thereby protection straight-wavy valve cooling system maintains certain static pressure.
In order better to realize the present invention, as shown in Figure 9, between described quadrupleization configuration instrument, power supply is separate, after each instrument signal converts voltage signal to by signal conversion module, parallel connection accesses a set of analog input module, make both also tolerable instrument itself or its power fails of tolerable acquisition module fault of valve cooling system, described quadrupleization configuration instrument has fault self-checking function, when the fault of instrument own, the cold control system of straight-wavy valve will not used this instrument value to be uploaded to master system as system judgment value and by corresponding instrument fault-signal, quadrupleization configuration instrument is than the cold sole disposition of existing valve or dual configuring redundancy Du Genggao, make the configuration of valve cooling system instrument more reasonable, instrument value is more accurate, described quadrupleization configuration instrument logic takes four to select two logic, first quadrupleization configuration instrument value size is sorted, then by the large value of adjacent instrument after sequence, deduct little value, compare wherein two instrument of difference minimum and select two rear target instrument as four, then in two target instrument values, choose unfavorable value as straight-wavy valve cooling system alarm decision foundation.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (3)
1. the cold complete redundancy test unit control system of straight-wavy valve, is characterized in that comprising:
(1) redundancy programmable logic controller (PLC): be respectively programmable logic controller (PLC) A and programmable logic controller (PLC) B, for coordinating and processing various data, and send corresponding instruction;
(2) redundant input/output module: total quadruplet input/output module, described input/output module comprises digital quantity input module A, B, C and D, digital output modules A, B, C and D, analog input modules A, B, C and D, analog output module A, B, C and D, be used for passing on input signal and transfer to corresponding electromechanical equipment to programmable logic controller (PLC) and by the output signal of programmable logic controller (PLC), described digital quantity input module A and B, digital output modules A and B, analog input modules A and B, analog output module A and B, programmable logic controller (PLC) A set and switch board A, described digital quantity input module C and D, digital output module C and D, analog input module C and D, analog output module C and D, programmable logic controller (PLC) B set and switch board B, described quadruplet input/output module is connected with programmable logic controller (PLC) A and programmable logic controller (PLC) B by Profibus bus,
(3) collecting and measuring system: be connected with input/output module, for online acquisition signal, comprise electromechanical equipment operation or fault-signal and instrument measurement signal, described instrument is quadrupleization configuration instrument;
(4) synchronization module: for the communication between the programmable logic controller (PLC) of redundancy;
(5) redundancy human-computer interface system: two cover human-computer interface systems are connected with two cover programmable logic controller (PLC)s respectively, for showing fault and the running status of collecting and measuring system real-time parameter and the each electromechanical equipment of electromechanical equipment system, and can receive the operation of the each electromechanical equipment of operating personnel's operational order control, in described man-machine interface, establish operation picture, setting parameter, when pages such as prior fault, historical records;
(6) redundancy power supply-distribution system: be used to power-equipment that ac power power supply is provided and for opertaing device provides DC control supply, described power-equipment comprises main circulation pump, raw water pump, small pump, motorized valve, solenoid valve, blower fan of cooling tower, spray pump and the double-power supply switching device of the using and the reserved; Redundancy power supply-distribution system has two-way incoming power, described ac power power supply is taken from the 1# incoming power of 400V I section and the 2# incoming power from 400V II section, and main circulation pump, small pump and the well heater of described the using and the reserved pressed redundancy principle and be connected with 2# incoming power with 1# incoming power respectively; Described double-power supply switching device is pressed redundancy principle and is connected with 2# incoming power with 1# incoming power respectively, and blower fan of cooling tower, spray pump, raw water pump, motorized valve and the solenoid valve of described the using and the reserved are connected with double-power supply switching device respectively; Described opertaing device comprises two cover programmable logic controller (PLC)s, quadruplet power supply buffer module, quadruplet input/output module, quadruplet signal conversion module and quadrupleization configuration instrument; Described DC control supply take from the 1# direct supply of direct current chamber I section with from the 2# direct supply of direct current chamber II section, two-way incoming power converts after four groups of 24V direct supplys energize coupling module to by four groups of Switching Power Supplies respectively again and is coupled into four road 24V direct supplys and is respectively quadruplet power supply buffer module, quadruplet input/output module, quadruplet signal conversion module and quadrupleization configuration instrument power and powers.
2. the cold complete redundancy test unit control system of straight-wavy valve according to claim 1, it is characterized in that: described digital quantity input module A and C composition module pair, digital quantity input module B and D composition module pair, the same passage of described quadruplet digital quantity input module is signal collected identical, the signal processing model of inner employing or logic, arbitrary module channels signal is effective, valve cooling system thinks that this signal is effective, some digital quantity input modules or the operation of not impact of channel failure system, difference between simultaneity factor energy identification module also can be sent corresponding failure and report to the police, described two modules are to possessing online insertion and removal function,
Described digital output modules A and C composition module pair, digital output module B and D composition module pair, the signal that the same passage of described quadruplet digital output module is exported is identical, relay of each channels drive, then the contact parallel connection of four relays is made for controlling opening/stopping of power-equipment, some digital output module channels or the operation of not impact of relay fault system, the difference between simultaneity factor energy identification module also can be sent corresponding failure and report to the police; Described two modules are to possessing online insertion and removal function;
Described quadruplet analog input modular power source is independent mutually, and quadrupleization configuration instrument signal also connects the passage of two analog input modules of connection after being changed by signal conversion module,
Described analog output module A and C composition module pair, digital quantity input module B and D composition module pair, the current signal of each module to each output half during normal work, after parallel connection, be superposed to the required current signal value of valve cooling system power-equipment, when one of them module of module centering breaks down, the automatic passivation malfunctioning module of valve cooling system, and provide valve cooling system power-equipment required current signal value by the module of fault not, two modules are to exported current signal parallel drive power-equipment after signal conversion module converts voltage signal to.
3. the cold complete redundancy test unit control system of straight-wavy valve according to claim 1, it is characterized in that: after described quadrupleization configuration instrument signal converts voltage signal to by signal conversion module, parallel connection accesses a set of analog input module, described quadrupleization configuration instrument has fault self-checking function, described quadrupleization configuration instrument logic takes four to select two logic, first quadrupleization configuration instrument value size is sorted, then by the large value of adjacent instrument after sequence, deduct little value, compare wherein two instrument of difference minimum and select two rear target instrument as four, then in two target instrument values, choose unfavorable value as straight-wavy valve cooling system alarm decision foundation.
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| CN104898620A (en) * | 2015-05-19 | 2015-09-09 | 西安晨宇环境工程有限公司 | Ethernet-based redundancy control system and control method |
| CN104898620B (en) * | 2015-05-19 | 2017-12-08 | 西安晨宇环境工程有限公司 | A kind of redundancy control system and control method based on Ethernet |
| CN105068476A (en) * | 2015-07-31 | 2015-11-18 | 许昌许继晶锐科技有限公司 | Converter valve cooling control system |
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| CN105447862A (en) * | 2015-11-19 | 2016-03-30 | 中国农业大学 | Remote fault diagnosis method, device and system for high-voltage DC converter station |
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| CN110955218B (en) * | 2018-09-26 | 2021-03-23 | 中国船舶重工集团公司第七一九研究所 | Redundancy monitoring circuit of main control system and standby control system of nuclear power device |
| CN110955218A (en) * | 2018-09-26 | 2020-04-03 | 中国船舶重工集团公司第七一九研究所 | Redundancy monitoring circuit of main control system and standby control system of nuclear power device |
| CN111413917A (en) * | 2019-01-04 | 2020-07-14 | 玄盛国际股份有限公司 | Hot plug interface assembly of programmable logic controller |
| CN111813033A (en) * | 2019-04-12 | 2020-10-23 | 南京南瑞继保电气有限公司 | Control protection architecture and control method of power electronic equipment cooling system |
| CN111813033B (en) * | 2019-04-12 | 2023-09-08 | 南京南瑞继保电气有限公司 | Control protection architecture and control method of power electronic equipment cooling system |
| CN110278685A (en) * | 2019-04-22 | 2019-09-24 | 广州高澜节能技术股份有限公司 | A kind of D.C. high voltage transmission DCS control method |
| CN110375197A (en) * | 2019-07-01 | 2019-10-25 | 成都华气厚普机电设备股份有限公司 | A kind of the dual redundant security monitoring control system and its method of LNG filling ship |
| CN110879565A (en) * | 2019-12-06 | 2020-03-13 | 北京和利时智能技术有限公司 | Dual-computer redundancy control system and redundancy control/fault monitoring method and device thereof |
| CN111459013A (en) * | 2020-04-10 | 2020-07-28 | 中国南方电网有限责任公司超高压输电公司广州局 | Switching system of submarine cable oil pump station equipment signal |
| CN111949453A (en) * | 2020-07-14 | 2020-11-17 | 中核武汉核电运行技术股份有限公司 | Redundant system and switching method for pool type heat supply pile refueling machine |
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