CN106227144A - A kind of low-voltage high-temperature steaming device control system - Google Patents
A kind of low-voltage high-temperature steaming device control system Download PDFInfo
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- CN106227144A CN106227144A CN201610757389.3A CN201610757389A CN106227144A CN 106227144 A CN106227144 A CN 106227144A CN 201610757389 A CN201610757389 A CN 201610757389A CN 106227144 A CN106227144 A CN 106227144A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14005—Alarm
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- Automation & Control Theory (AREA)
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Abstract
The invention belongs to steaming plant and control technical field, provide a kind of low-voltage high-temperature steaming device control system, including: sensing unit, data acquisition unit, master controller, PLC program controller, equipment running unit, memory element, systemic-function operating unit.The system of it is an advantage of the current invention that integrates control, measurement, signals collecting, operational management, the output superhigh temperature steam condition realizing steam generator automatically controls, equipment runs automatically, monitor equipment running status in real time simultaneously, once there is abnormal arrestment immediately and provides sound and light alarm in equipment, it is ensured that the safe and stable operation of equipment.
Description
Technical field
The invention belongs to steaming plant and control technical field, be specifically related to a kind of low-voltage high-temperature steaming device control system.
Background technology
In daily life, steam cannot be only used for heating, humidification, it is also possible to produces power, and for driven machine.Steam
Generator is the equipment for preparing steam, and it applies quite varied in current industry and commercial field, such as factory, adopts
The occasions such as warm, hotel are required for the boiler plant such as steam and hot water.Water heating in boiler is typically produced by it by electric heater
Steam, the pressure of steam, temperature are typically controlled electric heater open and close by pressure switch and realize, owing to the machinery of pressure switch is special
Levying, frequent operation fault rate is high, easily loses efficacy, and moisturizing is often by being accomplished manually, it is impossible to realize automatically controlling, it is impossible to temperature in equipment
Degree and pressure control in real time and monitor, and very difficult control realization stably exports superheated steam, causes production efficiency to be paid no attention to
Think.
Summary of the invention
The technical problem to be solved is the present situation for prior art, and provides a kind of low-voltage high-temperature steam dress
Put control system, integrate control, measurement, signals collecting, operational management by this system, it is achieved the output of steam generator
Superhigh temperature steam condition automatically controls, equipment runs automatically, it is ensured that the safe and stable operation of equipment.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of low-voltage high-temperature steaming device controls system
System, it is characterised in that including:
Sensing unit, described sensing unit is used for being respectively induced temperature signal, water level signal and pressure signal；
Data acquisition unit, described data acquisition unit is connected with sensing unit and is used for temperature signal, water level letter
Number and pressure signal be collected；
Master controller, described master controller runs for the work of master control whole system unit；
PLC program controller, described PLC program controller electrically connects with master controller and is used for exporting control instruction,
Described PLC program controller is contained within PID Intelligent adjustment module, and described PID Intelligent adjustment module is used for passing through pid algorithm
Dynamically control temperature, water level and pressure state；
Equipment running unit, described equipment running unit electrically connects with PLC program controller, described PLC program control
Device processed output control instruction drives the work of equipment running unit, and described equipment running unit is used for carrying out moisturizing, producing steam
And water is carried out heating work；
Memory element, described memory element is connected electrically on master controller and for store various types instruction repertorie sum
According to；
Systemic-function operating unit, described systemic-function operating unit is connected electrically in master controller and for for user's day
Often hommization operation.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described systemic-function operating unit includes respectively
There are Systems Monitoring Unit, monitoring IO display unit, system that unit, alarm unit and curved unit are set.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described Systems Monitoring Unit includes currently running
Block of state and temperature data display setting module, described current operating conditions module is for the current shape of display device
State, described data display setting module is for display outlet temperature and air outlet temperature value, described basic controlling in real time
Module is used for carrying out starting, manual moisturizing and halt instruction operation.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described monitoring IO display unit includes input
Monitoring module, output monitoring module and equipment running status module, the temperature of described input monitoring module display system input
Degree, water level and pressure signal, described output monitoring module is used for display device ruuning situation, described equipment running status
Module is used for the running status that display device is current.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described system arranges unit and includes systematic parameter
Arranging upper limit module and water supplement function arranges module, described system parameter setting upper limit module is used for arranging equipment alarm
Temperature parameter, described water supplement function arranges module for arranging circular water replenishing parameter and hydropenia moisturizing parameter.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described alarm unit includes that real time fail is reported to the police
Display module, historical failure alarm display module and operation handover module, described real time fail alarm display module is used for
Display Realtime Alerts fault message, described historical failure alarm display module is used for showing history alarm failure information.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described curved unit includes that data and curves shows
Module, described data and curves display module is for display five minutes interior fire door temperature, air outlet temperature, heated condition, benefits
Water state and the setting value of relevant temperature.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described to manually boot process step as follows: uses
It is first determined whether exist and report to the police after touch screen start button is pressed at family, as being judged as YES, operation terminates, as being judged as otherwise
Continuing to determine whether to clean, as being judged as YES, operation terminates, as being judged as otherwise heating starting.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, described control model includes automatically running stream
Journey, described automatic operational process step is as follows: automatically controls when entering heating after heating starting, supervises subsequently into equipment state
Monitoring and three kinds of states of boiler replenishing water depending on, steam condition, when described equipment state monitors abnormal, then then equipment alarm adds
Heat stops blinking red lamp, and buzzer warning, then according to the temperature parameter set, PID ginseng when described steam condition monitors normal
Number, uses pid algorithm dynamically to control outlet vapor state.
In above-mentioned a kind of low-voltage high-temperature steaming device control system, be divided into when boiler replenishing water state automatic water supplement and
Manual moisturizing, during described manual moisturizing, manual moisturizing is pressed moisturizing key 3S realized by long, is divided into pre-benefit during automatic water supplement
Water, circular water replenishing, hydropenia moisturizing and directly moisturizing, automatic water supplement process step is as follows: it is straight that device power-up i.e. carries out pre-moisturizing
Supreme water level, when water level reaches upper water level, pre-moisturizing stops, and enters circular water replenishing pattern.When water level under circular water replenishing pattern
During less than lower water level, showing that circular water replenishing cannot supplement the water yield of evaporation completely, system enters hydropenia Water supplement pattern, and hydropenia is mended
Aqueous mode is divided into hydropenia moisturizing time/and hydropenia moisturizing interval, monitors water level in the boiler after entering hydropenia Water supplement pattern always,
In as lower in hydropenia Water supplement pattern 6 seconds, water level is increased to more than lower water level, then continues the supreme water level of hydropenia moisturizing, and switch benefit automatically
Aqueous mode is circular water replenishing pattern, then switch moisturizing mould when still being mended by water level in lower 6 seconds of hydropenia Water supplement pattern to lower water level
Formula is direct Water supplement pattern, and direct Water supplement pattern is always on opening moisturizing motor to water level and arrives upper water level, direct Water supplement pattern
Lower water level switches to circular water replenishing pattern after arriving upper water level equally, still cannot be by water in 6S after entering direct Water supplement pattern
Fault alarm output after opening moisturizing extremely to lower water level then system is mended in position.
Compared with prior art, the system of it is an advantage of the current invention that collects control, measurement, signals collecting, operational management in one
Body, it is achieved the output superhigh temperature steam condition of steam generator automatically controls, equipment runs automatically, monitors equipment fortune the most in real time
Row state, once there is abnormal arrestment immediately and provides sound and light alarm in equipment, it is ensured that the safe and stable operation of equipment.
Accompanying drawing explanation
Fig. 1 is this steam generator control system functional-block diagram；
Fig. 2 is this manual mode Booting sequence figure；
Fig. 3 is automatic operational flow diagram.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
In figure, sensing unit 1；Data acquisition unit 2；Master controller 3；PLC program controller 4；Equipment running unit 5；
Memory element 6；Systemic-function operating unit 7；PID Intelligent adjustment module 8；Data and curves display module 9；Systems Monitoring Unit
10；Monitoring IO display unit 11；Alarm unit 12；System arranges unit 13；Curved unit 14.
As it is shown in figure 1, this steam generator control system is used for controlling 500 DEG C of steam generators of superhigh temperature, use PLC with
The hardware controls mode of touch screen linkage, is primarily used to each temperature of Real-time Collection equipment and pressure bound signal, passes through
The power of post bake is automatically adjusted thus realizes the stable control of gas outlet superhigh temperature steam by PLC automatic regulation function
System, monitors equipment running status, it is ensured that the safe and stable operation of equipment simultaneously in real time, and the most whole control system includes that sensing is single
Unit 1, data acquisition unit 2, master controller 3, PLC program controller 4, equipment running unit 5, memory element 6 and system merit
Can operating unit 7.
Specifically, sensing unit 1 includes temperature sensing module, level sensor module and pressure sensor block respectively,
Being respectively used to be respectively induced temperature signal, water level signal and pressure signal, temperature sensing module is PT100 thermal resistance and K-type
Thermocouple.Pressure sensor block detection mode is electro connecting pressure gauge, and data acquisition unit 2 is connected with sensing unit 1 and is used for
Being collected temperature signal, water level signal and pressure signal, master controller 3 works for master control whole system unit
Run；PLC program controller 4 electrically connects with master controller 3 and is used for exporting control instruction, and master controller 3 type selecting is S7 here
200CPU 222CN and EM 235CN AI4/AO1-12Bit, EM 231AI4 × RTD module, PLC program controller 4 includes
Having PID Intelligent adjustment module 8, PID Intelligent adjustment module 8 for dynamically controlling temperature, water level and pressure shape by pid algorithm
State, native system uses the pid algorithm in PID Intelligent adjustment module 8 dynamically to control outlet vapor state here, by setting value with
Actual steam epidemic situation comparison calculates to control heating main engine power, and finally realizes the stability contorting of outlet vapor, it is possible to will go out
The error of mouth steam is in ± 3 DEG C.
Equipment running unit 5 electrically connects with PLC program controller 4, and PLC program controller 4 exports control instruction driving and sets
Standby running unit 5 works, and equipment running unit 5 includes moisturizing unit, production of steam unit and Electromagnetic Heating list respectively here
Unit, is respectively used to carry out moisturizing, produce steam and water is carried out heating work；Memory element 6 is connected electrically on master controller 3
And for store various types instruction repertorie and data.
Native system feature operation unit 7 is connected electrically in master controller 3 and for operating for the daily hommization of user, is here
System feature operation unit 7 includes respectively, Systems Monitoring Unit 10, monitoring IO display unit, automatically arrange unit 12, system
Unit 13, alarm unit 12 and curved unit 14 are set, below unit are illustrated:
Systems Monitoring Unit 10 includes that basic control module, current operating conditions module and temperature data display set mould
Block, described current operating conditions module for the current state of display device, state include " startup ", " stopping ", " jerk ",
" pressure superelevation is abnormal ", " fire door thermo-field thoery is abnormal ", " air outlet temperature superelevation is abnormal ", " coil temperature is abnormal ", " body of heater temperature
Degree is abnormal ", " furnace wall temperature is abnormal ", " moisturizing time-out is abnormal ", " water tank low water level is abnormal " etc., temperature data display setting module
Demonstrate QI KOU temperature value in real time, basic control module can carry out starting, manual moisturizing, standby and halt instruction behaviour
Making, in the case of equipment is properly functioning, clicks on start button equipment and i.e. start, stop button equipment i.e. stops whenever
User can pass through length by manual moisturizing 3S to equipment moisturizing, again taps on and can stop moisturizing, as in figure 2 it is shown, manually boot stream
Journey step is as follows: it is first determined whether exist and report to the police after user presses touch screen start button, as being judged as YES, operation terminates,
As being judged as otherwise continuing to determine whether to clean, as being judged as YES, operation terminates, and as being judged as, otherwise continuing judgement is
No for automatic mode, as being judged as YES, operation terminates, and as being judged as otherwise heating starting, this flow process each scan period performs
Once, the average duration of scan period is less than 10MS.
Automatically operational process, main point of three parts: be respectively equipment state supervision, steam condition monitors and boiler replenishing water
Three kinds of states, automatic operational process step is as follows: automatically controls when entering heating after heating starting, supervises subsequently into equipment state
Monitoring and three kinds of states of boiler replenishing water depending on, steam condition, when described equipment state monitors abnormal, then then equipment alarm adds
Heat stops blinking red lamp, buzzer warning, then according to the temperature parameter set, pid parameter when steam condition monitors normal, uses
Pid algorithm dynamically controls outlet vapor state, and native system uses pid algorithm dynamically to control outlet vapor state, according to phase here
The setting value answered and actual steam epidemic situation comparison calculate to control heating main engine power, and finally realize the stable control of outlet vapor
System, the error of outlet vapor is in ± 3 DEG C, and native system controls corresponding adding by contrast fire door Current Temperatures with the value of design temperature
The start and stop of hot main frame, thus control boiler fire door vapor (steam) temperature, equipment monitor state, some portion of equipment once occurs
Position is overheated, or water level is too low, and pressure exceedes the most out of service when allowing the upper limit and reports to the police, it is ensured that safety.
As it is shown on figure 3, this equipment is by moisturizing motor moisturizing, it is divided into automatic water supplement when boiler replenishing water state and manually mends
Water, during manual moisturizing, manual moisturizing is pressed moisturizing key 3S realized by long, be divided into during automatic water supplement pre-moisturizing, circular water replenishing,
Hydropenia moisturizing and directly moisturizing, circular water replenishing is that (circular water replenishing time/circular water replenishing is spaced in conventional Water supplement pattern
System is arranged " interface setting), equipment is circulated moisturizing under normal circumstances, and automatic water supplement process step is as follows: device power-up is i.e. entered
The pre-moisturizing of row is until upper water level, and when water level reaches upper water level, pre-moisturizing stops, and enters circular water replenishing pattern.When at circular water replenishing
When water level is less than lower water level under pattern, showing that circular water replenishing cannot supplement the water yield of evaporation completely, system enters hydropenia moisturizing mould
Formula, hydropenia Water supplement pattern is divided into hydropenia moisturizing time/and hydropenia moisturizing interval, monitors pot after entering hydropenia Water supplement pattern always
Water level in stove, increases to more than lower water level by water level in as lower in hydropenia Water supplement pattern 6 seconds, then continue the supreme water level of hydropenia moisturizing, and
Switching automatic water supplement pattern is pre-Water supplement pattern, then cut when still being mended by water level in lower 6 seconds of hydropenia Water supplement pattern to lower water level
Changing Water supplement pattern is direct Water supplement pattern, the input/output signal that monitoring IO display unit receives for display system, including
There are input monitoring module, output monitoring module, input temperature, water level and the pressure signal of the input of monitoring module display system,
Output monitoring module is used for, for display device ruuning situation, equipment running status module, the running status that display device is current,
Here input monitoring module mainly includes fire door temperature, air outlet temperature, boiler coil temperature, superhigh temperature furnace wall temperature, body of heater temperature
Water level under degree, boiler water filling position, boiler, cistern water level, jerk, pressure is up to standard and the parameter such as pressure superelevation signal, convenient uses
Machine operation is understood at family.
System arranges unit 13 and includes that system parameter setting upper limit module and water supplement function arrange module, described system
Parameter arranges upper limit module for arranging equipment alarm temperature parameter, and system parameter setting upper limit module includes fire door temperature, goes out
The parameters such as temperature, boiler coil temperature, superhigh temperature furnace wall temperature, furnace body temperature, water supplement function arranges module and follows for arranging
Ring moisturizing parameter and hydropenia moisturizing parameter, water supplement function arranges module and arranges circular water replenishing time, circular water replenishing interval, hydropenia
The moisturizing time, the parameter such as hydropenia moisturizing interval, each alarm parameters is set here, when system detects that this parameter is higher than alarm parameters
Time system at once send sound and light alarm, equipment is out of service.
Alarm unit 14 includes real time fail alarm display module, historical failure alarm display module and operation switching mould
Block, real time fail alarm display module is used for showing that Realtime Alerts fault message, historical failure alarm display module are used for showing
History alarm failure information.
Curved unit 14 includes data and curves display module 9, and described data and curves display module 9 was for display five minutes
The setting value of interior fire door temperature, air outlet temperature, heated condition, water compensating state and relevant temperature.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the defined scope of spirit of the present invention.
Claims (10)
1. a low-voltage high-temperature steaming device control system, it is characterised in that including:
Sensing unit, described sensing unit is used for being respectively induced temperature signal, water level signal and pressure signal；
Data acquisition unit, described data acquisition unit be connected with sensing unit and be used for temperature signal, water level signal with
And pressure signal is collected；
Master controller, described master controller runs for the work of master control whole system unit；
PLC program controller, described PLC program controller electrically connects and is used for exporting control instruction with master controller, described
PLC program controller be contained within PID Intelligent adjustment module, described PID Intelligent adjustment module for by pid algorithm dynamic
Control temperature, water level and pressure state；
Equipment running unit, described equipment running unit electrically connects with PLC program controller, described PLC program controller
Output control instruction drives the work of equipment running unit, described equipment running unit be used for carrying out moisturizing, produce steam and
Water is carried out heating work；
Memory element, described memory element is connected electrically on master controller and for store various types instruction repertorie and data；
Systemic-function operating unit, described systemic-function operating unit is connected electrically in master controller and for for user day ordinary person
Propertyization operates.
A kind of low-voltage high-temperature steaming device control system the most according to claim 1, it is characterised in that described system merit
Can operating unit includes Systems Monitoring Unit respectively, monitoring IO display unit, system arrange unit, alarm unit and curve list
Unit.
A kind of low-voltage high-temperature steaming device control system the most according to claim 2, it is characterised in that described system prison
Control unit includes current operating conditions module and temperature data display setting module, and described current operating conditions module is used for
The current state of display device, described data display setting module is for display outlet temperature and air outlet temperature in real time
Value, described basic control module is used for carrying out starting, manual moisturizing and halt instruction operation.
A kind of low-voltage high-temperature steaming device control system the most according to claim 2, it is characterised in that described monitoring IO
Display unit includes input monitoring module, output monitoring module and equipment running status module, and described input monitors mould
Temperature, water level and the pressure signal of block display system input, described output monitoring module is used for display device ruuning situation,
Described equipment running status module is used for the running status that display device is current.
A kind of low-voltage high-temperature steaming device control system the most according to claim 2, it is characterised in that described system sets
Put unit and include that system parameter setting upper limit module and water supplement function arrange module, described system parameter setting upper limit module
For arranging equipment alarm temperature parameter, described water supplement function arranges module for arranging circular water replenishing parameter and hydropenia moisturizing
Parameter.
A kind of low-voltage high-temperature steaming device control system the most according to claim 2, it is characterised in that described warning list
Unit includes real time fail alarm display module, historical failure alarm display module and operation handover module, described real-time event
Barrier alarm display module is used for showing that Realtime Alerts fault message, described historical failure alarm display module are used for showing history
Alarm failure information.
A kind of low-voltage high-temperature steaming device control system the most according to claim 2, it is characterised in that described curve list
Unit includes data and curves display module, described data and curves display module for five minutes interior fire door temperature of display, give vent to anger
Mouth temperature, heated condition, water compensating state and the setting value of relevant temperature.
A kind of low-voltage high-temperature steaming device control system the most according to claim 7, it is characterised in that described manually opens
Dynamic process step is as follows: it is first determined whether exist and report to the police after user presses touch screen start button, as being judged as YES, operate
Terminating, as being judged as otherwise continuing to determine whether to clean, as being judged as YES, operation terminates, and opens as being judged as otherwise heating
Dynamic.
9. according to a kind of low-voltage high-temperature steaming device control system described in any one of claim 1 to 8, it is characterised in that institute
The control model stated includes automatic operational process, and described automatic operational process step is as follows: when entering heating after heating starting
Automatically control, monitor and three kinds of states of boiler replenishing water, described equipment state subsequently into equipment state supervision, steam condition
When monitoring abnormal, then then equipment alarm heats stopping blinking red lamp, and buzzer warning, when described steam condition monitors normal
Then according to the temperature parameter set, pid parameter, pid algorithm is used dynamically to control outlet vapor state.
10. according to a kind of low-voltage high-temperature steaming device control system described in any one of claim 1 to 8, it is characterised in that
Being divided into automatic water supplement and manual moisturizing during boiler replenishing water state, during described manual moisturizing, manual moisturizing presses moisturizing key 3S by long
Realize, during automatic water supplement, be divided into pre-moisturizing, circular water replenishing, hydropenia moisturizing and directly moisturizing, automatic water supplement process step
As follows: device power-up i.e. carries out pre-moisturizing until upper water level, and when water level reaches upper water level, pre-moisturizing stops, and enters circular water replenishing
Pattern.When water level is less than lower water level under circular water replenishing pattern, shows that circular water replenishing cannot supplement the water yield of evaporation completely, be
System enters hydropenia Water supplement pattern, and hydropenia Water supplement pattern is divided into hydropenia moisturizing time/and hydropenia moisturizing interval, when entering hydropenia moisturizing
Monitor water level in the boiler after pattern always, in as lower in hydropenia Water supplement pattern 6 seconds, water level is increased to more than lower water level, then continue hydropenia
The supreme water level of moisturizing, and to switch automatic water supplement pattern be circular water replenishing pattern, when hydropenia Water supplement pattern still cannot be by water in lower 6 seconds
It is direct Water supplement pattern that position benefit then switches Water supplement pattern to lower water level, and direct Water supplement pattern is always on opening moisturizing motor to water level
Water level in arrival, under direct Water supplement pattern, water level switches to circular water replenishing pattern after arriving upper water level equally, directly mends when entering
Still in 6S, water level cannot be mended after aqueous mode fault alarm output after opening moisturizing extremely to lower water level then system.
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| CN108954282A (en) * | 2018-06-20 | 2018-12-07 | 裴渐强 | A kind of intelligent boiler |
| CN109411102A (en) * | 2018-10-23 | 2019-03-01 | 中核核电运行管理有限公司 | A kind of equipment state measure of supervision based on automatic start-stop |
| CN111895383A (en) * | 2020-07-08 | 2020-11-06 | 上海汇信能源科技有限公司 | Method and system for controlling working power of electromagnetic steam generator |
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| CN109411102A (en) * | 2018-10-23 | 2019-03-01 | 中核核电运行管理有限公司 | A kind of equipment state measure of supervision based on automatic start-stop |
| CN112741680A (en) * | 2019-12-31 | 2021-05-04 | 杭州堃博生物科技有限公司 | Steam ablation equipment and ablation preparation control method and ablation preparation controller thereof |
| CN111895383A (en) * | 2020-07-08 | 2020-11-06 | 上海汇信能源科技有限公司 | Method and system for controlling working power of electromagnetic steam generator |
| CN112031901A (en) * | 2020-08-10 | 2020-12-04 | 中国人民解放军火箭军工程大学 | Control system and control method for high-pressure water mist smoke-eliminating and temperature-reducing device |
| CN112031901B (en) * | 2020-08-10 | 2021-09-07 | 中国人民解放军火箭军工程大学 | Control system and control method for high-pressure water mist smoke-eliminating and temperature-reducing device |
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| CN116102385A (en) * | 2022-12-27 | 2023-05-12 | 安顺久联民爆有限责任公司 | Intelligent heat supply control system |
| CN116102385B (en) * | 2022-12-27 | 2024-05-03 | 安顺久联民爆有限责任公司 | Intelligent heat supply control system |
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