CN207115165U - A kind of novel gas fired steam boiler specific PLC control system - Google Patents
A kind of novel gas fired steam boiler specific PLC control system Download PDFInfo
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- CN207115165U CN207115165U CN201721092050.2U CN201721092050U CN207115165U CN 207115165 U CN207115165 U CN 207115165U CN 201721092050 U CN201721092050 U CN 201721092050U CN 207115165 U CN207115165 U CN 207115165U
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- steam boiler
- gas fired
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Abstract
The utility model discloses a kind of novel gas fired steam boiler specific PLC control system, including housing, the PLC being arranged in housing and the power input being connected in PLC, on-off model input is connected with the PLC, output switch parameter, analog input and output, feed DC24V and communication interface, the on-off model input includes the input of 5 tunnel pulse level electrodes and 11 road passive switch inputs, the output switch parameter includes 13 road Controls, 4 tunnels connect measuring cylinder electrode in the 5 tunnel pulse level electrode input, 1 tunnel connects main body protection electrode.The utility model integrates many control functions with PLC, and main frame carries temperature, pressure analog signal, and without peripheral expansion, product is succinctly stablized, and user can voluntarily increase control function on demand, powerful, cost-effective.
Description
Technical field
It the utility model is related to a kind of control system, more particularly to a kind of novel gas fired steam boiler specific PLC control system
System.
Background technology
At present, boiler control system is divided into PLC control system and single-chip computer control system, common PLC controls on the market
System is disadvantageous in that, to be realized that boiler implosion requirement must increase each expansion module combination in PLC peripheries, be caused hardware
Connection is excessive, and fault rate increase, separate unit production time length, for cost price with regard to high, cost performance is low.
And single-chip computer control system is disadvantageous in that, the boiler implosion requirement to be realized must measure big unification, it is impossible to
Differentiation controls.Control program must be fixed by controller producer, and client can not voluntarily change program underaction, and function is not strong
Greatly, product is stereotyped, and personalized low, function is simple.
Utility model content
The utility model is in order to solve defect present in above-mentioned prior art and deficiency, there is provided a kind of by multiple boilers
Control function is integrated in inside PLC, without peripheral expansion can normal use, product succinctly stablizes, and user can also be on demand
Voluntarily increase control function, extendable functions are powerful, cost-effective novel gas fired steam boiler specific PLC control system.
The technical solution of the utility model：A kind of novel gas fired steam boiler specific PLC control system, including housing, set
The PLC in housing and the power input being connected in PLC are put, switch is connected with the PLC
Measure signal input, output switch parameter, analog input and output, feed DC24V and communication interface, the on-off model input bag
The input of 5 tunnel pulse level electrodes and 11 road passive switch inputs are included, the output switch parameter includes 13 road Controls, described
4 tunnels connect measuring cylinder electrode in the input of 5 tunnel pulse level electrodes, and 1 tunnel connects main body protection electrode.
The utility model is developed specifically for boiler, many control functions is integrated with PLC, such as electrode
Liquid level signal, combustor control function, main frame carry temperature, pressure analog signal, and without peripheral expansion, product is succinctly stablized, and use
Family can voluntarily increase control function on demand, powerful, cost-effective.
Preferably, the input of 11 road passive switch respectively open by the high switch of corresponding pressure low switch, pressure, hyperpressure
Close, burning operation feedback switch, flame-out failure feedback switch, circulating pump feedback switch, fault of water pump switch, water pump operation are opened
Pass, system power-on switch, system shutdown switch and failure silence switch.
Preferably, 13 road Control corresponds to flame-out indicating fault, superpressure indicating fault, water shortage failure and referred to respectively
Show, load increase instruction control, load reduce instruction control, burning operation control, system operation control, failure alarm bell control,
Water circulating pump control, feed pump control, load increases control, load reduces control and burning start-up and shut-down control.
Preferably, the EBI can connect most 7 expansion modules, the feed DC24V can connect transmitter and
Display screen power supply, its Fu carry Neng Li≤30W 150MA.
Preferably, the communication interface is arranged on housing, and it includes 2 232 communication interfaces and 1 485 communication interface,
Described 232 and 485 communication interfaces can connect touch-screen or text display, and 485 communication interface can also connect remotely
MODBUS is communicated.
Preferably, the PLC is Mitsubishi PLC GX series, selects FX2N step numbers 16000.
The utility model is developed specifically for boiler, many control functions is integrated with PLC, such as electrode
Liquid level signal, combustor control function, main frame carry temperature, pressure analog signal, and without peripheral expansion, product is succinctly stablized, and use
Family can voluntarily increase control function on demand, powerful, cost-effective.
Brief description of the drawings
Fig. 1 is wiring schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, but is not that model is protected to the utility model
The limitation enclosed.
As shown in figure 1, a kind of novel gas fired steam boiler specific PLC control system, including housing, it is arranged in housing
PLC and the power input being connected in PLC.On-off model input, switching value are connected with PLC
Output, EBI, feed DC24V and communication interface, the on-off model input include the input of 5 tunnel pulse level electrodes with
11 road passive switch inputs, the output switch parameter includes 13 road 5A Controls, in the 5 tunnel pulse level electrode input
4 tunnels connect measuring cylinder electrode, and 1 tunnel connects main body protection electrode.Corresponding pressure low switch, pressure height are opened respectively for 11 road passive switch inputs
Close, hyperpressure switch, burning operation feedback switch, flame-out failure feedback switch, circulating pump feedback switch, fault of water pump are opened
Pass, water pump operation switch, system power-on switch, system shutdown switch and failure silence switch.13 road Controls are right respectively
Should stopping working, indicating fault, superpressure indicating fault, water shortage indicating fault, load increase instruction control, load reduces instruction control, combustion
Burning runs control, system operation control, failure alarm bell controls, water circulating pump controls, feed pump controls, load increases control, bears
Lotus reduces control and burning start-up and shut-down control.EBI can connect most 7 expansion modules, and the feed DC24V can connect change
Device and display screen power supply are sent, its Fu carries Neng Li≤30W 150MA.Communication interface is arranged on housing, and it includes 2 232 communications
Interface and 1 485 communication interface, described 232 and 485 communication interfaces can connect touch-screen or text display, and described 485 is logical
Communication interface can also connect long-range MODBUS communications.PLC is Mitsubishi PLC GX series, selects FX2N step numbers 16000.
The utility model is applied to the medium-and-large-sized gas-steam boilers of 3-30T.Power input is alternating current 220V 185V-260V
Switching Power Supply.
The utility model is developed specifically for boiler, many control functions is integrated with PLC, such as electrode
Liquid level signal, combustor control function, main frame carry temperature, pressure analog signal, and without peripheral expansion, product is succinctly stablized, and use
Family can voluntarily increase control function on demand, powerful, cost-effective.
Claims (6)
1. a kind of novel gas fired steam boiler specific PLC control system, including housing, the PLC that is arranged in housing and
The power input being connected in PLC, it is characterised in that：On-off model input is connected with the PLC, is opened
Pass amount output, EBI, feed DC24V and communication interface, it is defeated that the on-off model input includes 5 tunnel pulse level electrodes
The road passive switch inputs of Ru He 11, the output switch parameter include 13 road 5A Controls, and the 5 tunnel pulse level electrode is defeated
4 tunnels connect measuring cylinder electrode in entering, and 1 tunnel connects main body protection electrode.
A kind of 2. novel gas fired steam boiler specific PLC control system according to claim 1, it is characterised in that：It is described
11 road passive switch inputs respectively the high switch of corresponding pressure low switches, pressure, hyperpressure switch, burning operation feedback switch,
Flame-out failure feedback switch, circulating pump feedback switch, fault of water pump switch, water pump operation switch, system power-on switch, system are stopped
Only switch and failure silence switch.
A kind of 3. novel gas fired steam boiler specific PLC control system according to claim 1, it is characterised in that：It is described
13 road Controls correspond to flame-out indicating fault, superpressure indicating fault, water shortage indicating fault, load and increase instruction control respectively
System, load reduce instruction control, burning operation control, system operation control, the control of failure alarm bell, water circulating pump control, feedwater
Pump control, load increase control, load reduces control and burning start-up and shut-down control.
A kind of 4. novel gas fired steam boiler specific PLC control system according to claim 1, it is characterised in that：It is described
EBI can connect most 7 expansion modules, and the feed DC24V can connect transmitter and display screen power supply, and it loads energy
Li≤30W 150MA.
A kind of 5. novel gas fired steam boiler specific PLC control system according to claim 1, it is characterised in that：It is described
Communication interface is arranged on housing, and it includes 2 232 communication interfaces and 1 485 communication interface, and described 232 and 485 communications connect
Mouth can connect touch-screen or text display, and 485 communication interface can also connect long-range MODBUS communications.
A kind of 6. novel gas fired steam boiler specific PLC control system according to claim 1, it is characterised in that：It is described
PLC is Mitsubishi PLC GX series, selects FX2N step numbers 16000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721092050.2U CN207115165U (en) | 2017-08-29 | 2017-08-29 | A kind of novel gas fired steam boiler specific PLC control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721092050.2U CN207115165U (en) | 2017-08-29 | 2017-08-29 | A kind of novel gas fired steam boiler specific PLC control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207115165U true CN207115165U (en) | 2018-03-16 |
Family
ID=61586471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721092050.2U Active CN207115165U (en) | 2017-08-29 | 2017-08-29 | A kind of novel gas fired steam boiler specific PLC control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207115165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI705316B (en) * | 2018-04-27 | 2020-09-21 | 日商三菱日立電力系統股份有限公司 | Boiler operation support device, boiler operation support method, and boiler learning model creation method |
-
2017
- 2017-08-29 CN CN201721092050.2U patent/CN207115165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI705316B (en) * | 2018-04-27 | 2020-09-21 | 日商三菱日立電力系統股份有限公司 | Boiler operation support device, boiler operation support method, and boiler learning model creation method |
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