CN103935375B - The control method of electricity coal burning boiler control chamber - Google Patents
The control method of electricity coal burning boiler control chamber Download PDFInfo
- Publication number
- CN103935375B CN103935375B CN201410123572.9A CN201410123572A CN103935375B CN 103935375 B CN103935375 B CN 103935375B CN 201410123572 A CN201410123572 A CN 201410123572A CN 103935375 B CN103935375 B CN 103935375B
- Authority
- CN
- China
- Prior art keywords
- plc
- boiler
- mode
- electrothermal tube
- water
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The present invention relates to a kind of boiler controlling device, specifically, relate to the control method of the dual-purpose boiler control box of a kind of train electricity consumption coal, mainly by being installed on the vehicle interior temperature sensor of interior, probe into the boiler water temperature sensor inside furnace wall, liquid level sensor, PLC, multiple electrothermal tube, 2 water circulating pumps, current sensor, display lamp and power circuit and form。It is an advantage of the invention that and Non-follow control electrothermal tube switching knob and water pump can control switch as required, select the input quantity of electrothermal tube and water circulating pump, compartment temperature is made to control steady, comfortable, and each electrothermal tube and water circulating pump are equipped with a current sensor and the display lamp of display electrothermal tube and water circulating pump duty, it is easy to system is carried out Maintenance and Repair, largely alleviate the workload of list coloring, travelling and the working environment of comfortable, health are provided for passenger and crew member。
Description
Technical field
The present invention relates to a kind of boiler controlling device, specifically, relate to the control method of the dual-purpose boiler control box of a kind of train electricity consumption coal。
Background technology
At present, the widely used coal-fired Warm water circulation of China railways passenger vehicle winter heating and two kinds of forms of electric heating。Namely coal-fired Warm water circulation mode uses coal-burning boiler, with coal for fuel, by coal burning, the water in body of heater is constantly heated, and promotes the hot water of boiler and compartment heating coil constantly to cycle through fin and discharge heat in compartment and reach the purpose that passenger vehicle is warmed oneself。The advantages such as coal-fired Warm water circulation mode has that humidity is suitable, good heat preservation performance, passenger are comfortable on; but operator need to through strict training ability operation on duty; complicated operation; workload is very big; and directly burning coal train hygienic conditions are poor; resource utilization is low, severe contamination air, and this heating system increasingly can not meet society to reducing energy consumption and the requirement of protection environment。Namely electrothermal method installs Electric radiator in both sides, guest room, electric energy release heat is consumed by the heating within Electric radiator, its advantage is to directly heat, but it is air drying in guest room, stale, heat skewness, and the power supply of heating element heater is generally alternating current 220V or direct current 600V, passenger easily directly and electrical power contacts cause electric shock, when having liquid to flow into heater or there was dampness in the air, easy defective insulation causes chopper Frequent trip, and availability is poor。
Summary of the invention
It is an object of the invention to provide a kind of train electricity consumption coal burning boiler control chamber and control method, there is provided a kind of safe and environment-friendly and economic heating system for passenger train, replace traditional coal-burning boiler, reduce coal and make consumption, alleviate environmental pollution, improve the utilization rate of the energy。
The technical scheme is that a kind of electricity coal burning boiler control chamber, it is characterized in that: described control chamber is mainly by the vehicle interior temperature sensor being installed on interior, probe into the boiler water temperature sensor inside furnace wall, liquid level sensor, PLC, multiple electrothermal tubes, 2 water circulating pumps, current sensor, display lamp and power circuit composition, interior is located at by described vehicle interior temperature sensor, it is connected with the input of PLC by temperature controller, by adjusting the start and stop temperature of the state modulator electrothermal tube of temperature controller, boiler water temperature sensor is all connected with the input of PLC with liquid level sensor；Described multiple electrothermal tubes and water circulating pump are electrically connected with the signal output part of PLC respectively, and each electrothermal tube and water circulating pump are equipped with a current sensor and the display lamp of display electrothermal tube and water circulating pump duty。
Preferably, described electrothermal tube has 24, the rated voltage of every electrothermal tube is AC220V, rated power is 2KW, on high temperature resistant bar magnet in electrothermal tube, uniform winding has resistance wire, resistance wire be provided externally with rustless steel sleeve, electrothermal tube is uniformly installed on Boiler Furnace intracavity by adpting flange mode。
Preferably, 24 described electrothermal tubes are by connecting without smoke low-halogen flame-retardant wire, it is divided into 4 tunnels, the power on every road is followed successively by 12KW, 12KW, 18KW and 6KW, every road electrothermal tube controls the on off state of electrothermal tube each through a major loop catalyst, major loop catalyst and PLC are electrically connected, by the break-make of PLC automatic control electric heat pipe。
Preferably, this control chamber is provided with electrothermal tube switching knob, and described major loop catalyst and electrothermal tube switching knob are electrically connected, and manually controls electrothermal tube switching knob and controls the break-make of electrothermal tube。
Preferably, described water circulating pump has 2, is all located at boiler water outlet, and every water circulating pump controls the on off state of water circulating pump each through a major loop catalyst, major loop catalyst and PLC are electrically connected, and are automatically controlled the break-make of water circulating pump by PLC。
Preferably, this control chamber is provided with water pump and controls switch, and described major loop catalyst and water pump control switch and be electrically connected, and manually control water pump and control the break-make of on-off control water circulating pump。
Preferably, the signal output part of described PLC is also electrically connected with hydropenia malfunction indicator lamp, when liquid level sensor detects boiler internal water level lower than setting value, and this hydropenia flicker of fault indicating lamps。
Preferably, it is 50mm that this control chamber is installed on the gap of the back side of boiler, boiler and control chamber, filling with insulation material between boiler and control chamber。
A kind of electricity coal burning boiler control method, is controlled including to electrothermal tube and the water circulating pump of boiler, it is characterised in that include following control mode:
The control model of electricity coal burning boiler electrothermal tube work is had three kinds by this control chamber, and including automatic mode, stop mode and contingency mode, concrete control mode is as follows:
(1), under automatic mode, specific works process is:
Step one: when this control chamber enters heating mode, according to traffic coverage, selects to enter corresponding state internal schema and state's external schema；
Step 2: during domestic mode operation, PLC controls 1 grade of electrothermal tube, 2 grades and 4 grades of work, electrothermal tube 3 grades does not start, the air-conditioning preheater interlocking being provided with in electrothermal tube 4 grades and compartment, when air-conditioning preheater works, electrothermal tube 4 grades does not start, when air-conditioning preheater quits work, and electrothermal tube 4 grades startup；During external mode operation, PLC controls 1 grade of electrothermal tube, 2 grades, 3 grades and 4 grades of whole work；
By liquid level sensor, step 3: when entering state's internal schema or state's internal schema when control chamber, detects whether boiler water level is higher than the outlet water level of boiler；
Step 4: if detection boiler water level is lower than the outlet water level of boiler, hydropenia flicker of fault indicating lamps, PLC controls to close whole electrothermal tubes, if detection boiler water level higher than the outlet water level of boiler, then judges that water temperature that boiler water temperature sensor detects is whether between-5～110 DEG C；
Step 5: if the water temperature of boiler water temperature sensor detection is not between-5～110 DEG C, hydropenia flicker of fault indicating lamps, PLC controls to close whole electrothermal tubes, if the water temperature of boiler water temperature sensor detection is between-5～110 DEG C, then judges that whether the boiler water temperature detected is lower than 94 DEG C；
Step 6: if boiler water temperature is higher than 94 DEG C, then PLC controls to close whole electrothermal tubes, and when the water temperature of boiler water temperature sensor detection is lower than 92 DEG C, PLC controls electrothermal tube and returns step 3；
Step 7: if boiler water temperature is lower than 94 DEG C, then judge that whether vehicle interior temperature is higher than 22 DEG C, if vehicle interior temperature is higher than 22 DEG C, the timer zero of PLC, PLC controls to be heated pipe downshift action after electrothermal tube postpones 15 minutes, simultaneously the timer zero of PLC, and downshift action returns step 3 after completing, if the timer cumulative time of PLC was less than 15 minutes, return step 3；If vehicle interior temperature is lower than 22 DEG C, the timer zero of PLC, and judge that whether vehicle interior temperature is lower than 18 DEG C；
Step 8: if vehicle interior temperature reaches 15 minutes lower than the timer cumulative time of 18 DEG C and PLC, it is heated pipe shift-up action, the timer zero of PLC simultaneously, shift-up action returns step 3 after completing, if the timer cumulative time of PLC was less than 15 minutes, PLC controls electrothermal tube and returns step 3；
(2) under stop mode, PLC control electric heating 1 grade, 2 grades, 3 grades and 4 grades be in stop heated condition；
(3) under contingency mode, when liquid level sensor, vehicle interior temperature sensor, boiler water temperature sensor and PLC break down, after water gauge, test valve confirm that boiler water level is normal, manual mode controls control chamber and enters contingency mode, according to traffic coverage, select to enter corresponding state internal schema and state's external schema, during domestic mode operation, electric heating 1 grade, 2 grades and 4 grades work, electric heating 3 grades does not start；During external mode operation, electric heating 1 grade, 2 grades, 3 grades and 4 grades of whole work, contingency mode is manual control mode；
The control model of electricity coal burning boiler water circulating pump work is had three kinds by this control chamber, and including automatic mode, stop mode and contingency mode, concrete control mode is as follows:
(1) under automatic mode: specific works process is:
Step one: when this control chamber enters water circulating pump automatic mode, judge that whether vehicle interior temperature is higher than 22 DEG C, if the vehicle interior temperature of vehicle interior temperature sensor detection is higher than 22 DEG C, PLC controls water circulating pump and quits work, and return step one, if vehicle interior temperature is lower than 22 DEG C, then judge that whether vehicle interior temperature is lower than 18 DEG C；
Step 2: if the vehicle interior temperature of vehicle interior temperature sensor detection is higher than 18 DEG C, return step one；If the vehicle interior temperature of vehicle interior temperature sensor detection is lower than 18 DEG C, whether detect water temperature higher than 55 DEG C by boiler water temperature sensor；
Step 3: if water temperature is lower than 55 DEG C, PLC controls water circulating pump and quits work, and returns step one；If water temperature is higher than 55 DEG C, then judge that whether water temperature is higher than 65 DEG C；
Step 4: if water temperature is lower than 65 DEG C, returns step one；If water temperature is higher than 65 DEG C, PLC controls water circulating pump and starts, and returns step one；
(2) under stop mode: PLC controls water circulating pump 1 and water circulating pump 2 is in closed mode；
(3) under contingency mode: when vehicle interior temperature sensor, boiler water temperature sensor or PLC break down, after water gauge, test valve confirm that boiler water level is normal, Non-follow control control chamber enters contingency mode, by judging warm water Natural Circulation situation in compartment, manually boot water circulating pump or close water circulating pump。
The present invention having the beneficial effect that compared with prior art
This electricity coal burning boiler control chamber is the boiler control box that the dual-purpose heating boiler of electric coal for passenger train is controlled, control chamber is mainly by vehicle interior temperature sensor, boiler water temperature sensor, liquid level sensor, PLC, multiple electrothermal tubes, water circulating pump, current sensor, display lamp and power circuit composition, under automatic mode, guest room temperature that PLC detects according to vehicle interior temperature sensor and the boiler water temperature that boiler water temperature sensor detects, control the input quantity of electrothermal tube and water circulating pump in boiler, electrothermal tube is divided into 4 tunnels according to heating cycle, the power on every road is followed successively by 12KW, 12KW, 18KW and 6KW, when breaking down under automatic mode, it is switchable to contingency mode, Non-follow control electrothermal tube switching knob and water pump can control switch as required, select the input quantity of electrothermal tube and water circulating pump, compartment temperature is made to control steadily, comfortable, and each electrothermal tube and water circulating pump are equipped with a current sensor and the display lamp of display electrothermal tube and water circulating pump duty, it is easy to system is carried out Maintenance and Repair, largely alleviate the workload of list coloring, there is provided comfortable for passenger and crew member, the travelling of health and working environment。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram that boiler electricity heat pipe is controlled；
Fig. 3 is the schematic diagram that boiler cycle pump is controlled。
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described:
Referring to Fig. 1, a kind of electricity coal burning boiler control chamber, it is installed on the back side of boiler, the gap of boiler and control chamber is 50mm, filling with insulation material between boiler and control chamber, this control chamber is mainly by the vehicle interior temperature sensor being installed on interior, probe into the boiler water temperature sensor inside furnace wall, liquid level sensor, PLC, multiple electrothermal tubes, water circulating pump, current sensor, display lamp and power circuit composition, interior is located at by vehicle interior temperature sensor, it is connected with the input of PLC by temperature controller, by adjusting the start and stop temperature of the state modulator electrothermal tube of temperature controller；Boiler water temperature sensor is all connected with the input of PLC with liquid level sensor, and boiler water temperature sensor and liquid level sensor are all assigned inside boiler wall；Multiple electrothermal tubes and water circulating pump are electrically connected with the signal output part of PLC respectively。
Electrothermal tube has 24, it is followed successively by R1～R24, the rated voltage of every electrothermal tube is AC220V, rated power is 2KW, on high temperature resistant bar magnet in electrothermal tube, uniform winding has resistance wire, resistance wire be provided externally with rustless steel sleeve, electrothermal tube is uniformly installed on Boiler Furnace intracavity by adpting flange mode, and electrothermal tube is by connecting without smoke low-halogen flame-retardant wire, it is divided into 4 tunnels, the first via is R1～R6, second tunnel is R7～R12, 3rd tunnel is R13～R21, 4th tunnel is R22～R24, the power on every road is followed successively by 12KW, 12KW, 18KW and 6KW, namely according to every road electrothermal tube power, control chamber is divided into 4 gears, electric heating 1 grade is followed successively by 12KW to the power of electric heating 4 grades, 12KW, 18KW and 6KW, this control chamber is provided with heating plumber's operation mode and selects switch and water circulating pump mode of operation to select switch, electrothermal tube can be controlled respectively and water circulating pump enters automatic mode, stop mode and contingency mode, add heat pipe automatic control signal and water circulating pump automatic control signal to be electrically connected with PLC。Every road electrothermal tube controls the on off state of electrothermal tube each through a major loop catalyst, major loop catalyst and PLC are electrically connected, break-make by PLC automatic control electric heat pipe, in addition, this control chamber is provided with electrothermal tube switching knob, major loop catalyst and electrothermal tube switching knob are electrically connected, and manually control electrothermal tube switching knob and control the break-make of electrothermal tube；Water circulating pump has 2, all it is located at boiler water outlet, every water circulating pump controls the on off state of water circulating pump each through a major loop catalyst, major loop catalyst and PLC are electrically connected, the break-make of water circulating pump is automatically controlled, additionally, this control chamber is provided with water pump controls switch by PLC, described major loop catalyst and water pump control switch and are electrically connected, and manually control water pump and control the break-make of on-off control water circulating pump。Each electrothermal tube and water circulating pump are equipped with a current sensor and the display lamp of display electrothermal tube and water circulating pump duty, the signal output part of PLC is also electrically connected with hydropenia malfunction indicator lamp, when liquid level sensor detects boiler internal water level lower than setting value, this hydropenia flicker of fault indicating lamps, it is easy to system is carried out Maintenance and Repair, largely alleviate the workload of list coloring, travelling and the working environment of comfortable, health are provided for passenger and crew member。
Boiler electricity heat pipe and water circulating pump are controlled by the electric coal burning boiler control chamber based on PLC。This electric cabinet completes that vehicle interior temperature automatically controls, electrothermal tube adds downshift, water circulating pump automatic start-stop, hydropenia detection and protection, earth leakage protective, overload protection, electrothermal tube fault detect and display, fault of water pump detection and the function shown automatically by shelves time delay。
Referring to Fig. 2, the schematic diagram that boiler electricity heat pipe is controlled by electricity coal burning boiler control chamber。The control model of this control chamber monitoring electricity coal burning boiler electrothermal tube work has three kinds, and including automatic mode, stop mode and contingency mode, concrete control mode is as follows:
(1), under automatic mode, specific works process is:
Step one: when this control chamber enters heating mode, according to traffic coverage, selects to enter corresponding state internal schema and state's external schema；
Step 2: during domestic mode operation, PLC controls 1 grade of electrothermal tube, 2 grades and 4 grades of work, electrothermal tube 3 grades does not start, the air-conditioning preheater interlocking being provided with in electrothermal tube 4 grades and compartment, when air-conditioning preheater works, electrothermal tube 4 grades does not start, when air-conditioning preheater quits work, and electrothermal tube 4 grades startup；During external mode operation, PLC controls 1 grade of electrothermal tube, 2 grades, 3 grades and 4 grades of whole work；
By liquid level sensor, step 3: when entering state's internal schema or state's internal schema when control chamber, detects whether boiler water level is higher than the outlet water level of boiler；
Step 4: if detection boiler water level is lower than the outlet water level of boiler, hydropenia flicker of fault indicating lamps, PLC controls to close whole electrothermal tubes, if detection boiler water level higher than the outlet water level of boiler, then judges that water temperature that boiler water temperature sensor detects is whether between-5～110 DEG C；
Step 5: if the water temperature of boiler water temperature sensor detection is not between-5～110 DEG C, hydropenia flicker of fault indicating lamps, PLC controls to close whole electrothermal tubes, if the water temperature of boiler water temperature sensor detection is between-5～110 DEG C, then judges that whether the boiler water temperature detected is lower than 94 DEG C；
Step 6: if boiler water temperature is higher than 94 DEG C, then PLC controls to close whole electrothermal tubes, and when the water temperature of boiler water temperature sensor detection is lower than 92 DEG C, PLC controls electrothermal tube and returns step 3；
Step 7: if boiler water temperature is lower than 94 DEG C, then judge that whether vehicle interior temperature is higher than 22 DEG C, if vehicle interior temperature is higher than 22 DEG C, the timer zero of PLC, PLC controls to be heated pipe downshift action after electrothermal tube postpones 15 minutes, simultaneously the timer zero of PLC, and downshift action returns step 3 after completing, if the timer cumulative time of PLC was less than 15 minutes, return step 3；If vehicle interior temperature is lower than 22 DEG C, the timer zero of PLC, and judge that whether vehicle interior temperature is lower than 18 DEG C；
Step 8: if vehicle interior temperature reaches 15 minutes lower than the timer cumulative time of 18 DEG C and PLC, it is heated pipe shift-up action, the timer zero of PLC simultaneously, shift-up action returns step 3 after completing, if the timer cumulative time of PLC was less than 15 minutes, PLC controls electrothermal tube and returns step 3；
(2) under stop mode, PLC control electric heating 1 grade, 2 grades, 3 grades and 4 grades be in stop heated condition；
(3) under contingency mode, when liquid level sensor, vehicle interior temperature sensor, boiler water temperature sensor and PLC break down, after water gauge, test valve confirm that boiler water level is normal, manual mode controls control chamber and enters contingency mode, according to traffic coverage, select to enter corresponding state internal schema and state's external schema, during domestic mode operation, electric heating 1 grade, 2 grades and 4 grades work, electric heating 3 grades does not start；During external mode operation, electric heating 1 grade, 2 grades, 3 grades and 4 grades of whole work, contingency mode is manual control mode, and under contingency mode, control chamber does not possess that vehicle interior temperature automatically controls, electrothermal tube adds the function of downshift, water circulating pump automatic start-stop automatically by shelves time delay。
Referring to Fig. 3, the schematic diagram that boiler cycle pump is controlled by electricity coal burning boiler control chamber。The control model of this control chamber monitoring electricity coal burning boiler water circulating pump work has three kinds, and including automatic mode, stop mode and contingency mode, concrete control mode is as follows:
(1) under automatic mode: specific works process is:
Step one: when this control chamber enters water circulating pump automatic mode, judge that whether vehicle interior temperature is higher than 22 DEG C, if the vehicle interior temperature of vehicle interior temperature sensor detection is higher than 22 DEG C, PLC controls water circulating pump and quits work, and return step one, if vehicle interior temperature is lower than 22 DEG C, then judge that whether vehicle interior temperature is lower than 18 DEG C；
Step 2: if the vehicle interior temperature of vehicle interior temperature sensor detection is higher than 18 DEG C, return step one；If the vehicle interior temperature of vehicle interior temperature sensor detection is lower than 18 DEG C, whether detect water temperature higher than 55 DEG C by boiler water temperature sensor；
Step 3: if water temperature is lower than 55 DEG C, PLC controls water circulating pump and quits work, and returns step one；If water temperature is higher than 55 DEG C, then judge that whether water temperature is higher than 65 DEG C；
Step 4: if water temperature is lower than 65 DEG C, returns step one；If water temperature is higher than 65 DEG C, PLC controls water circulating pump and starts, and returns step one；
(2) under stop mode: PLC controls water circulating pump 1 and water circulating pump 2 is in closed mode；
(3) under contingency mode: when vehicle interior temperature sensor, boiler water temperature sensor or PLC break down, after water gauge, test valve confirm that boiler water level is normal, Non-follow control control chamber enters contingency mode, by judging warm water Natural Circulation situation in compartment, manually boot water circulating pump or close water circulating pump。
Claims (1)
1. the control method of an electric coal burning boiler control chamber, control chamber is mainly by the vehicle interior temperature sensor being installed on interior, probe into the boiler water temperature sensor inside furnace wall, liquid level sensor, PLC, multiple electrothermal tubes, 2 water circulating pumps, current sensor, display lamp and power circuit composition, interior is located at by described vehicle interior temperature sensor, it is connected with the input of PLC by temperature controller, by adjusting the start and stop temperature of the state modulator electrothermal tube of temperature controller, boiler water temperature sensor is all connected with the input of PLC with liquid level sensor；Described multiple electrothermal tubes and water circulating pump are electrically connected with the signal output part of PLC respectively, and each electrothermal tube and water circulating pump are equipped with a current sensor and the display lamp of display electrothermal tube and water circulating pump duty；The control method of control chamber includes the electrothermal tube to boiler and water circulating pump is controlled, it is characterised in that include following control mode:
The control model of electricity coal burning boiler electrothermal tube work is had three kinds by this control chamber, and including automatic mode, stop mode and contingency mode, concrete control mode is as follows:
(1), under automatic mode, specific works process is:
Step one: when this control chamber enters heating mode, according to traffic coverage, selects to enter corresponding state internal schema and state's external schema；
Step 2: during domestic mode operation, PLC controls 1 grade of electrothermal tube, 2 grades and 4 grades of work, electrothermal tube 3 grades does not start, the air-conditioning preheater interlocking being provided with in electrothermal tube 4 grades and compartment, when air-conditioning preheater works, electrothermal tube 4 grades does not start, when air-conditioning preheater quits work, and electrothermal tube 4 grades startup；During external mode operation, PLC controls 1 grade of electrothermal tube, 2 grades, 3 grades and 4 grades of whole work；
By liquid level sensor, step 3: when entering state's internal schema or state's external schema when control chamber, detects whether boiler water level is higher than the outlet water level of boiler；
Step 4: if detection boiler water level is lower than the outlet water level of boiler, hydropenia flicker of fault indicating lamps, PLC controls to close whole electrothermal tubes, if detection boiler water level higher than the outlet water level of boiler, then judges that water temperature that boiler water temperature sensor detects is whether between-5～110 DEG C；
Step 5: if the water temperature of boiler water temperature sensor detection is not between-5～110 DEG C, hydropenia flicker of fault indicating lamps, PLC controls to close whole electrothermal tubes, if the water temperature of boiler water temperature sensor detection is between-5～110 DEG C, then judges that whether the boiler water temperature detected is lower than 94 DEG C；
Step 6: if boiler water temperature is higher than 94 DEG C, then PLC controls to close whole electrothermal tubes, and when the water temperature of boiler water temperature sensor detection is lower than 92 DEG C, PLC controls electrothermal tube and returns step 3；
Step 7: if boiler water temperature is lower than 94 DEG C, then judge that whether vehicle interior temperature is higher than 22 DEG C, if vehicle interior temperature is higher than 22 DEG C, the timer zero of PLC, PLC controls to be heated pipe downshift action after electrothermal tube postpones 15 minutes, simultaneously the timer zero of PLC, and downshift action returns step 3 after completing, if the timer cumulative time of PLC was less than 15 minutes, return step 3；If vehicle interior temperature is lower than 22 DEG C, the timer zero of PLC, and judge that whether vehicle interior temperature is lower than 18 DEG C；
Step 8: if vehicle interior temperature reaches 15 minutes lower than the timer cumulative time of 18 DEG C and PLC, it is heated pipe shift-up action, the timer zero of PLC simultaneously, shift-up action returns step 3 after completing, if the timer cumulative time of PLC was less than 15 minutes, PLC controls electrothermal tube and returns step 3；
(2) under stop mode, PLC control electric heating 1 grade, 2 grades, 3 grades and 4 grades be in stop heated condition；
(3) under contingency mode, when liquid level sensor, vehicle interior temperature sensor, boiler water temperature sensor and PLC break down, after water gauge, test valve confirm that boiler water level is normal, manual mode controls control chamber and enters contingency mode, according to traffic coverage, select to enter corresponding state internal schema and state's external schema, during domestic mode operation, electric heating 1 grade, 2 grades and 4 grades work, electric heating 3 grades does not start；During external mode operation, electric heating 1 grade, 2 grades, 3 grades and 4 grades of whole work, contingency mode is manual control mode；
The control model of electricity coal burning boiler water circulating pump work is had three kinds by this control chamber, and including automatic mode, stop mode and contingency mode, concrete control mode is as follows:
(1) under automatic mode: specific works process is:
Step one: when this control chamber enters water circulating pump automatic mode, judge that whether vehicle interior temperature is higher than 22 DEG C, if the vehicle interior temperature of vehicle interior temperature sensor detection is higher than 22 DEG C, PLC controls water circulating pump and quits work, and return step one, if vehicle interior temperature is lower than 22 DEG C, then judge that whether vehicle interior temperature is lower than 18 DEG C；
Step 2: if the vehicle interior temperature of vehicle interior temperature sensor detection is higher than 18 DEG C, return step one；If the vehicle interior temperature of vehicle interior temperature sensor detection is lower than 18 DEG C, whether detect water temperature higher than 55 DEG C by boiler water temperature sensor；
Step 3: if water temperature is lower than 55 DEG C, PLC controls water circulating pump and quits work, and returns step one；If water temperature is higher than 55 DEG C, then judge that whether water temperature is higher than 65 DEG C；
Step 4: if water temperature is lower than 65 DEG C, returns step one；If water temperature is higher than 65 DEG C, PLC controls water circulating pump and starts, and returns step one；
(2) under stop mode: PLC controls water circulating pump 1 and water circulating pump 2 is in closed mode；
(3) under contingency mode: when vehicle interior temperature sensor, boiler water temperature sensor or PLC break down, after water gauge, test valve confirm that boiler water level is normal, Non-follow control control chamber enters contingency mode, by judging warm water Natural Circulation situation in compartment, manually boot water circulating pump or close water circulating pump。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123572.9A CN103935375B (en) | 2014-03-28 | 2014-03-28 | The control method of electricity coal burning boiler control chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123572.9A CN103935375B (en) | 2014-03-28 | 2014-03-28 | The control method of electricity coal burning boiler control chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103935375A CN103935375A (en) | 2014-07-23 |
| CN103935375B true CN103935375B (en) | 2016-06-22 |
Family
ID=51183332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410123572.9A Expired - Fee Related CN103935375B (en) | 2014-03-28 | 2014-03-28 | The control method of electricity coal burning boiler control chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103935375B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607671B (en) * | 2016-02-23 | 2017-11-21 | 杭州福斯达深冷装备股份有限公司 | Resistance furnace temperature autocontrol method based on queuing model |
| CN106406396A (en) * | 2016-08-30 | 2017-02-15 | 安徽双鹤药业有限责任公司 | Large transfusion disinfection cooling system |
| CN108762191A (en) * | 2018-08-28 | 2018-11-06 | 宝钢化工湛江有限公司 | The regulating valve control method and system of recognizable fault-signal |
| CN110658865B (en) * | 2019-09-30 | 2020-12-22 | 杭州师范大学钱江学院 | Temperature control method based on inertial model |
| CN115342624A (en) * | 2022-07-08 | 2022-11-15 | 湖南工业大学 | Energy-saving control system applied to drying box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201429198Y (en) * | 2009-06-16 | 2010-03-24 | 庄永华 | Household floor heat boiler |
| CN202581528U (en) * | 2012-04-01 | 2012-12-05 | 北京奇纳尔电热电器有限公司 | Energy-saving electric heating stove |
| CN202630216U (en) * | 2012-06-14 | 2012-12-26 | 高树贤 | Electric heating device for physical and chemical laboratory of school |
| CN203286648U (en) * | 2013-03-20 | 2013-11-13 | 王兰娜 | Condensate water temperature control device of vapor heat exchanger |
| CN103486652A (en) * | 2013-09-29 | 2014-01-01 | 上海林内有限公司 | Circulating water way control system of heating furnace and control method thereof |
| CN203766792U (en) * | 2014-03-28 | 2014-08-13 | 青岛青整电子设备有限公司 | Control box of electric coal-fired boiler |
-
2014
- 2014-03-28 CN CN201410123572.9A patent/CN103935375B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201429198Y (en) * | 2009-06-16 | 2010-03-24 | 庄永华 | Household floor heat boiler |
| CN202581528U (en) * | 2012-04-01 | 2012-12-05 | 北京奇纳尔电热电器有限公司 | Energy-saving electric heating stove |
| CN202630216U (en) * | 2012-06-14 | 2012-12-26 | 高树贤 | Electric heating device for physical and chemical laboratory of school |
| CN203286648U (en) * | 2013-03-20 | 2013-11-13 | 王兰娜 | Condensate water temperature control device of vapor heat exchanger |
| CN103486652A (en) * | 2013-09-29 | 2014-01-01 | 上海林内有限公司 | Circulating water way control system of heating furnace and control method thereof |
| CN203766792U (en) * | 2014-03-28 | 2014-08-13 | 青岛青整电子设备有限公司 | Control box of electric coal-fired boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103935375A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103935375B (en) | The control method of electricity coal burning boiler control chamber | |
| CN103342093A (en) | Control method of electric passenger car interior water-cooled air conditioner | |
| CN201187377Y (en) | Intelligent fuel heater | |
| CN203757993U (en) | Electromagnetic water heating furnace | |
| CN203766792U (en) | Control box of electric coal-fired boiler | |
| CN204187851U (en) | A kind of gas heater that can be connected with solar water heater | |
| CN103895470B (en) | A kind of control setup of heating system of vehicle coal electric boiler and control method thereof | |
| CN210345641U (en) | Automatic exhaust device for radiator | |
| CN202820588U (en) | Water blanket with temperature controllable | |
| CN109140570A (en) | A kind of device of long-range control floor heating temperature | |
| CN204165223U (en) | Photovoltaic water heater | |
| CN204592829U (en) | Petroleum refining set lubricant oil temperature automatic energy-saving control device | |
| CN201599927U (en) | Energy-saving electric heating device controlling heating of double-heater | |
| CN107151965A (en) | A kind of moveable electrical heating tank of energy-conserving and environment-protective and its heating means | |
| CN203702743U (en) | Oil tank automatic heating device of hot blast heater hydraulic station | |
| CN203824102U (en) | Electric water heater system | |
| CN202647971U (en) | Solar multi-energy auxiliary-heating automatic conversion controller | |
| CN209710337U (en) | A kind of asphalt tank and its heating device | |
| CN205011409U (en) | Distilled water preparation facilities | |
| CN202181575U (en) | Auxiliary heating unit for non-tower water feeder | |
| CN201287630Y (en) | Intelligent full-automatic thermostat for fuel tank | |
| CN104593805A (en) | Anti-freezing device for vehicle-mounted hydrogen generator | |
| CN204285602U (en) | A kind of moveable electrical heating water heater water heating air conditioner all-in-one | |
| CN208398469U (en) | Refrigerator-freezer condensed water heating evaporation energy saver | |
| CN211217783U (en) | Fire prevention mechanism of heating system of rear cleaning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160622 Termination date: 20190328 |