CN102620276A - Energy-saving control system of electric heating steam generator - Google Patents
Energy-saving control system of electric heating steam generator Download PDFInfo
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- CN102620276A CN102620276A CN2012101102658A CN201210110265A CN102620276A CN 102620276 A CN102620276 A CN 102620276A CN 2012101102658 A CN2012101102658 A CN 2012101102658A CN 201210110265 A CN201210110265 A CN 201210110265A CN 102620276 A CN102620276 A CN 102620276A
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- auxiliary reclay
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Abstract
The invention discloses an energy-saving control system of an electric heating steam generator. The energy-saving control system comprises a PLC (Programmable Logic Controller), wherein the PLC is connected with a switch power device for controlling the PLC to start or stop; two output poles Q2 and Q3 of the PLC are respectively connected with first and second solid relays for controlling a group of electric heating pipes to work; and two input poles I3 and I5 of the PLC are respectively connected with a switch device for inputting a pressure lower limit signal and a pressure upper limit signal. According to the energy-saving control system, a shunt heating mode of the heating pipes is adopted, so that much electricity and energy are saved, and the service life of the electric heating pipes is prolonged. In addition, an automatic descaling control system and an electric heating pipe protection circuit also can be additionally arranged.
Description
Technical field
The present invention relates to a kind of energy-saving control system of electric heating steam generator.
Background technology
Common electric heating steam generator on coal heating, oily heating boiler and the market is mostly adopted in the steam of clothing factory source now, does not relate to energy-saving control system, and its shortcoming mainly is consumption coal, consumption oil and power consumption.
Summary of the invention
The object of the present invention is to provide a kind of rational in infrastructure, the energy-saving control system of the electric heating steam generator that energy saving, electric heating tube life-span are long.
Technical solution of the present invention is:
A kind of energy-saving control system of electric heating steam generator; It is characterized in that: comprise the PLC controller; The PLC controller is connected to the switching power unit that control PLC controller starts or stops; Two output stage Q2 of PLC controller, Q3 are connected with first, second three-phase solid-state relay of one group of electric heating tube work of control respectively, two of the PLC controller import utmost point I3, I5 respectively with input pressure under the switching device of limited signal and upper pressure limit signal be connected.
After starting start; PLC gets the electrician and does, and the then normally opened contact closure of auxiliary reclay M1 of water is arranged in the gas bag, and be cold conditions this moment; Relay M10 dead electricity; Its normally-closed contact is closed, and pressure switch is in the lower position, and the normally opened contact of promptly importing utmost point I3 is closed; The normally-closed contact of input utmost point I5 is closed; Output stage Q2, Q3 get the electrician simultaneously and do, and output 24V drives first, second solid-state relay work respectively, and two groups of electric heating tubes heat simultaneously; Two groups of electric heating tubes heat simultaneously; When pressure reaches upper pressure limit; The normally-closed contact of input utmost point I5 breaks off; The normally opened contact of importing utmost point I3 simultaneously also breaks off; This moment output stage Q2; Q3 is dead electricity simultaneously; First; Second solid-state relay cuts out; Two groups of heating tubes cut off the power supply simultaneously; Stop heating; Simultaneously; The normally opened contact of input utmost point I5 is closed; Make relay M10 get electric and self-insurance; Get into hot; Be connected on output stage Q2; Relay M10 normally-closed contact in the Q3 loop breaks off; Ineffective; Right is transferred auxiliary reclay M11 respectively to; M12; The normally opened contact of input utmost point I5 is closed; Also make auxiliary reclay M14 get electric and self-insurance, auxiliary reclay M14 gets electrical representation in the last transition, and computer can be tested the time of last transition; When pressure drops to low pressure limit; If greater than setting-up time, computer judges that this moment, steam had only one the road or two the tunnel using, and can make auxiliary reclay M11 get; The M12 dead electricity; Or M11 dead electricity; M12 gets; Whenever, take turns conversion once, it is closed that import the utmost point I3 normally opened contact this moment, then according to auxiliary reclay M11; The state of M12; Make one group of electrothermal tube work; If pressure arrives the time of lower limit less than setting-up time, illustrate that gas consumption is many at this moment, computer can make auxiliary reclay M11; M12 simultaneously; Under the effect of input utmost point I3, two groups of heating tubes are worked simultaneously; When having only one group of electrothermal tube work; The normally opened contact of input utmost point I3 is closed; The time auxiliary reclay M13 get electric and self-insurance; Auxiliary reclay M13 gets electrical representation at first transition, and computer can be tested the time of first transition, if the time is greater than setting-up time; When pressure does not also reach upper pressure limit; Computer judges that this moment steam is not enough, can make auxiliary reclay M11, M12 simultaneously electric, force two groups of heating tubes to be worked simultaneously.
Gas bag adopts thick stainless steel seamless pipe of 4mm and end socket to process; Feed pump adopts DC12V, and power is the straightway pump of 28W.
The present invention adopts along separate routes heat form of heating tube, power and energy saving more, and make the life-span of electric heating tube longer.The present invention also can increase automatic desludging control system and electric heating tube holding circuit.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is a fundamental diagram of the present invention.
The specific embodiment
A kind of energy-saving control system of electric heating steam generator; Comprise PLC controller 1; The PLC controller is connected to the switching power unit 2 that control PLC controller starts or stops; Two output stage Q2 of PLC controller, Q3 are connected with first, second solid-state relay 4,5 of one group of electric heating tube of control, 6,7 work respectively, two of PLC controller import utmost point I3, I5 respectively with input pressure under the switching device of limited signal and upper pressure limit signal be connected.
After starting start, PLC gets the electrician and does, and the then normally opened contact closure of auxiliary reclay M1 of water is arranged in the gas bag; Be cold conditions this moment, relay M10 dead electricity, and its normally-closed contact is closed; Pressure switch is in the lower position, and the normally opened contact of promptly importing utmost point I3 is closed, and the normally-closed contact of input utmost point I5 is closed; Output stage Q2, Q3 get the electrician simultaneously and do, and output 24V drives first, second solid-state relay work respectively, and two groups of electric heating tubes heat simultaneously; Two groups of electric heating tubes heat simultaneously, when pressure reaches upper pressure limit (0.4Mpa), import the normally-closed contact disconnection of utmost point I5, and the normally opened contact of importing utmost point I3 simultaneously also breaks off; This moment output stage Q2, Q3 dead electricity simultaneously, first, second solid-state relay cuts out, and two groups of heating tubes cut off the power supply simultaneously, stop heating; Simultaneously, the normally opened contact of input utmost point I5 is closed, makes relay M10 get electric and self-insurance, gets into hot; The relay M10 normally-closed contact that is connected in output stage Q2, the Q3 loop breaks off, and ineffective, right is transferred auxiliary reclay M11, M12 respectively to, and the normally opened contact of input utmost point I5 is closed; Also make auxiliary reclay M14 get electric and self-insurance, auxiliary reclay M14 gets electrical representation in the last transition, and computer can be tested the time of last transition, when pressure drops to low pressure limit (0.35Mpa); If greater than 10 seconds, computer judges that this moment, steam had only one the road or two the tunnel using, and can make auxiliary reclay M11 get electric, M12 dead electricity, or M11 dead electricity, M12 get; Whenever, take turns conversion once, it is closed that import the utmost point I3 normally opened contact this moment, then according to the state of auxiliary reclay M11, M12; Make one group of electrothermal tube work,, explain that gas consumption is many at this moment if pressure arrived the time of lower limit less than 10 seconds; Computer can make auxiliary reclay M11, M12 simultaneously electric, under the effect of input utmost point I3, two groups of heating tubes are worked simultaneously; When having only the work of one group of electrothermal tube, the normally opened contact of input utmost point I3 is closed, the time auxiliary reclay M13 get electric and self-insurance; Auxiliary reclay M13 gets electrical representation at first transition, and computer can be tested the time of first transition, if the time was greater than 20 seconds; When pressure does not also reach upper pressure limit (0.4Mpa); Computer judges that this moment steam is not enough, can make auxiliary reclay M11, M12 simultaneously electric, force two groups of heating tubes to be worked simultaneously.
Gas bag adopts thick stainless steel seamless pipe of 4mm and end socket to process; Feed pump adopts DC12V, and power is the straightway pump of 28W.Also has three-phase air switch 8 among the figure.
Claims (3)
1. the energy-saving control system of an electric heating steam generator; It is characterized in that: comprise the PLC controller; The PLC controller is connected to the switching power unit that control PLC controller starts or stops; Two output stage Q2 of PLC controller, Q3 are connected with first, second solid-state relay of one group of electric heating tube work of control respectively, two of the PLC controller import utmost point I3, I5 respectively with input pressure under the switching device of limited signal and upper pressure limit signal be connected.
2. the energy-saving control system of electric heating steam generator according to claim 1 is characterized in that: after starting start, PLC gets the electrician and does; The then normally opened contact closure of auxiliary reclay M1 of water is arranged in the gas bag, and be cold conditions this moment, relay M10 dead electricity; Its normally-closed contact is closed, and pressure switch is in the lower position, and the normally opened contact of promptly importing utmost point I3 is closed; The normally-closed contact of input utmost point I5 is closed; Output stage Q2, Q3 get the electrician simultaneously and do, and output 24V drives first, second solid-state relay work respectively, and two groups of electric heating tubes heat simultaneously; Two groups of electric heating tubes heat simultaneously, when pressure reaches upper pressure limit, import the normally-closed contact disconnection of utmost point I5, and the normally opened contact of importing utmost point I3 simultaneously also breaks off; This moment output stage Q2, Q3 dead electricity simultaneously, first, second solid-state relay cuts out, and two groups of heating tubes cut off the power supply simultaneously, stop heating; Simultaneously, the normally opened contact of input utmost point I5 is closed, makes relay M10 get electric and self-insurance, gets into hot; The relay M10 normally-closed contact that is connected in output stage Q2, the Q3 loop breaks off, and ineffective, right is transferred auxiliary reclay M11, M12 respectively to, and the normally opened contact of input utmost point I5 is closed; Also make auxiliary reclay M14 get electric and self-insurance, auxiliary reclay M14 gets electrical representation in the last transition, and computer can be tested the time of last transition, when pressure drops to low pressure limit; If greater than setting-up time, computer judges that this moment, steam had only one the road or two the tunnel using, and can make auxiliary reclay M11 get electric, M12 dead electricity, or M11 dead electricity, M12 get; Whenever, take turns conversion once, it is closed that import the utmost point I3 normally opened contact this moment, then according to the state of auxiliary reclay M11, M12; Make one group of electrothermal tube work,, explain that gas consumption is many at this moment if pressure arrives the time of lower limit less than setting-up time; Computer can make auxiliary reclay M11, M12 simultaneously electric, under the effect of input utmost point I3, two groups of heating tubes are worked simultaneously; When having only the work of one group of electrothermal tube, the normally opened contact of input utmost point I3 is closed, the time auxiliary reclay M13 get electric and self-insurance; Auxiliary reclay M13 gets electrical representation at first transition, and computer can be tested the time of first transition, if the time is greater than setting-up time; When pressure does not also reach upper pressure limit; Computer judges that this moment steam is not enough, can make auxiliary reclay M11, M12 simultaneously electric, force two groups of heating tubes to be worked simultaneously.
3. the energy-saving control system of electric heating steam generator according to claim 1 and 2 is characterized in that: gas bag adopts thick stainless steel seamless pipe of 4mm and end socket to process; Feed pump adopts DC12V, and power is the straightway pump of 28W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210110265 CN102620276B (en) | 2012-04-16 | 2012-04-16 | Energy-saving control system of electric heating steam generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210110265 CN102620276B (en) | 2012-04-16 | 2012-04-16 | Energy-saving control system of electric heating steam generator |
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| CN102620276A true CN102620276A (en) | 2012-08-01 |
| CN102620276B CN102620276B (en) | 2013-08-21 |
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| CN 201210110265 Expired - Fee Related CN102620276B (en) | 2012-04-16 | 2012-04-16 | Energy-saving control system of electric heating steam generator |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046005A (en) * | 1989-03-28 | 1990-10-10 | 菲利浦光灯制造公司 | Steam generating iron |
| JPH1182908A (en) * | 1997-09-16 | 1999-03-26 | Mitsubishi Heavy Ind Ltd | Method for automatically controlling process based on multiplexed detection signal |
| JP2001154702A (en) * | 1999-11-26 | 2001-06-08 | Mitsubishi Heavy Ind Ltd | Plant control device |
| CN2625424Y (en) * | 2003-04-08 | 2004-07-14 | 朱湛培 | Standing steam ironing machine with power regulation |
| CN101082174A (en) * | 2007-06-29 | 2007-12-05 | 浙江月立电器有限公司 | Steam spray iron |
| US20090121825A1 (en) * | 2004-11-10 | 2009-05-14 | Koninklijke Philips Electronics N.V. | Method Of An Device For Performing Bi-Directional Transmission Using A Single-Wire |
| CN201247399Y (en) * | 2008-08-15 | 2009-05-27 | 浙江瑞德电子科技有限公司 | Electronic controller for electric iron |
-
2012
- 2012-04-16 CN CN 201210110265 patent/CN102620276B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046005A (en) * | 1989-03-28 | 1990-10-10 | 菲利浦光灯制造公司 | Steam generating iron |
| JPH1182908A (en) * | 1997-09-16 | 1999-03-26 | Mitsubishi Heavy Ind Ltd | Method for automatically controlling process based on multiplexed detection signal |
| JP2001154702A (en) * | 1999-11-26 | 2001-06-08 | Mitsubishi Heavy Ind Ltd | Plant control device |
| CN2625424Y (en) * | 2003-04-08 | 2004-07-14 | 朱湛培 | Standing steam ironing machine with power regulation |
| US20090121825A1 (en) * | 2004-11-10 | 2009-05-14 | Koninklijke Philips Electronics N.V. | Method Of An Device For Performing Bi-Directional Transmission Using A Single-Wire |
| CN101082174A (en) * | 2007-06-29 | 2007-12-05 | 浙江月立电器有限公司 | Steam spray iron |
| CN201247399Y (en) * | 2008-08-15 | 2009-05-27 | 浙江瑞德电子科技有限公司 | Electronic controller for electric iron |
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| CN102620276B (en) | 2013-08-21 |
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Granted publication date: 20130821 Termination date: 20140416 |