CN101115955A - System and control method of oil burner's suitable burning ratio using air pressure sensor - Google Patents
System and control method of oil burner's suitable burning ratio using air pressure sensor Download PDFInfo
- Publication number
- CN101115955A CN101115955A CNA2006800034800A CN200680003480A CN101115955A CN 101115955 A CN101115955 A CN 101115955A CN A2006800034800 A CNA2006800034800 A CN A2006800034800A CN 200680003480 A CN200680003480 A CN 200680003480A CN 101115955 A CN101115955 A CN 101115955A
- Authority
- CN
- China
- Prior art keywords
- air
- fan
- oil burner
- air pressure
- rpm
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/02—Regulating draught by direct pressure operation of single valves or dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/001—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space spraying nozzle combined with forced draft fan in one unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/08—Regulating air supply or draught by power-assisted systems
- F23N3/082—Regulating air supply or draught by power-assisted systems using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/36—PID signal processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/44—Optimum control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/04—Measuring pressure
- F23N2225/06—Measuring pressure for determining flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
- F23N2233/08—Ventilators at the air intake with variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2239/00—Fuels
- F23N2239/06—Liquid fuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Disclosed are a system and a method for precisely controlling an air fuel ratio of an oil burner, which is extensively used in a household boiler, an industrial boiler, or a heater, using an air pressure sensor. The system includes a power supplying part, a fan for supplying air required for combustion of the oil burner by receiving driving voltage from the power supplying part, a fan driving part serving as a controller which drives the fan, an air pressure sensor, which is installed at a side of a flow path of air supplied from the fan so as to detect an amount of the supplied air, and a contro 1 part for outputting an optimum RPM of the fan to the fan driving part by comparing a signal detected by the air pressure sensor with preset data related to an optimum amount of air. The method includes the steps of detecting an amount of air being supplied through a fan using the air pressure sensor, calculating an optimum RPM of the fan using a controller by comparing a signal about the amount of the air with preset data related to an optimum amount of air, outputting the RPM calculated by means of the controller to a fan driving part, and rotating the fan according to the calculated RPM input into the fan driving part.
Description
Technical field
The present invention relates to a kind of system and method thereof of controlling the oil burner air-fuel ratio, more specifically, relate to a kind of system and method that uses air pressure probe accurately to control the oil burner air-fuel ratio, described oil burner is widely used in domestic boiler, Industrial Boiler and heater.
Background technology
Usually, the boiler that is used for the heating of room or hall is divided into oil burning boiler, gas fired-boiler and electric boiler according to the kind that offers boiler oil.Corresponding to the size in room or hall or their installation purpose, boiler is differently developed and is used.Comprise oil burner in the heater that oil burning boiler in these boilers and use fuel oil act as a fuel.
Especially, it is very important accurately controlling air-fuel ratio for oil burner.Recently, the control of air-fuel ratio becomes sixty-four dollar question in the oil burner.
Below, with reference to Fig. 1 conventional oil burner is described in detail.
Because oil burner with above structure, even oil burner has identical output quantity (perhaps identical fuel consumption), kind or the size (heat exchanger in boiler according to heat-exchange medium, the perhaps tracheae in the tubular heater), represent different airload resistances, so oil burner must be equipped with damper 14 as air regulator with the required optimal air capacity of supply combustion process at the air feed end.Usually, this damper 14 is conditioned when making or install, and because manual adjustments is difficult to the working control air-fuel ratio.
Below, see figures.1.and.2 and describe the method that conventional oil burner is regulated air capacity.
As shown in Figure 2, suppose that the load of heat exchanger becomes L1 when the required optimal air capacity of burner combustion is Q1, suitably control the damper 14 of the air feed end 16 that is installed in pressure fan 4 so that quantity (Q1).When supposing that identical burner is used to another heat exchanger, the load of described heat exchanger is L2, if do not control damper 14, air capacity becomes Q2, and the air supplied amount will be greater than optimal air capacity so, thereby causes the abnormal combustion state.Therefore, in this case, can supply described air capacity (Q1) thereby must control damper 14.Yet conventional oil burner has following problems:
At first, behind the installation oil burner, when oil burner opened or closed, because the coal smoke that produces, heat exchanger internal flow path resistance may change.
The second, if regulate damper in process of production, the resistance of pressure fan may change according to the length of aiutage.
The 3rd, even use identical aiutage, because wind, the resistance of pressure fan may often change.
Therefore, be supplied to the air capacity of oil burner often to depart from the oil burner required optimal air capacity of burning, thereby cause the burning of oil burner to become unstable.
Summary of the invention
Therefore, because the problems referred to above creation the present invention, its purpose is to provide the system and method for a kind of use air pressure probe (APS) control oil burner air-fuel ratio, the present invention uses air pressure probe (APS) to detect air capacity and the tested air and the numerical value of suitable air capacity is compared, thus the rotating speed (RPM) of control fan.
For achieving the above object, a kind of system of suitable air-fuel ratio of air pressure probe control oil burner that uses is provided, described system comprises the energy supply section, by receive the fan of driving voltage supply oil burner burning required air from described energy supply section, as the controller that drives described fan is the fans drive part, a side of stream that is installed in described fan air supplied to be measuring the air pressure probe of the air capacity that supplied, and is used for by the signal that recorded by described air pressure probe is compared control section from the optimal RPM of fan to described fans drive that partly export with the initialize data of relevant the most suitable air capacity.
In addition, described control section comprises the PID controller, and it keeps optimal air-fuel ratio by the RPM that changes fan in proportion.
In addition, described oil burner optionally is used in domestic boiler, on Industrial Boiler or the heater.
According to an aspect of the present invention, also provide a kind of method of using air pressure probe control oil burner air-fuel ratio, described method comprises the steps: to use air pressure probe to detect fan air supplied amount; By to the comparison of the signal of relevant air capacity, use controller to calculate the most suitable RPM of fan with the initialize data of relevant the most suitable air capacity; Utilize the RPM of controller calculating to the output of fan drive part; And according to the RPM that the is calculated rotation fan that is input to the fans drive part.
In addition, obtain to detect step to described fans drive step, even exist the external disturbance also can be to the most suitable air capacity of oil burner supply from described air capacity by closed loop policy.
As mentioned above, although may be subjected to external disturbance after installation or in the use,, thereby can supply the air capacity that is suitable for oil burner owing to the detection signal of fan based on air pressure probe rotates in proportion according to control system of the present invention.
Correspondingly, the air-fuel ratio of stably controlling oil burner is achieved.
Description of drawings
Fig. 1 is the figure that illustrates conventional oil burner structure;
Fig. 2 is used to illustrate use damper to regulate the curve map of the method for air capacity in conventional oil burner;
Fig. 3 illustrates the block diagram that is used among the present invention by the system architecture of air pressure probe control air-fuel ratio;
Fig. 4 is the block diagram of illustrating the most suitable air-fuel ratio program that is used to control oil burner among the present invention; With
Fig. 5 illustrates the RPM that is used for being installed in by change the fan in the oil burner among the present invention to regulate the figure of the method for air capacity.
The specific embodiment
Elaborate referring now to preferred implementation of the present invention.
Fig. 3 illustrates the block diagram that is used among the present invention by the system architecture of air pressure probe control air-fuel ratio, Fig. 4 illustrates the figure that is used to control oil burner air-fuel ratio program among the present invention, and Fig. 5 illustrates the RPM that is used for being installed in by change the fan in the oil burner among the present invention to regulate the figure of the method for air capacity.
Referring to Fig. 3, the system among the present invention comprises energy supply section 100, and this energy supply section 100 is used to receive electric energy, converts electrical energy into predetermined driving voltage, and driving voltage is offered system; Fan 150 in receiving the basic driver energy from energy supply section 100, is the burning supply required air of oil burner as blower-use then; Fans drive part 140 is used for drive fan 150 as controller; Air pressure probe 120 is installed in the air feed end of fan 150 so that detect the air supplied amount; Control section 110, reception is from the driving energy of energy supply section 100 and the signal of telecommunication from the signal of telecommunication of air pressure probe 120 so that by the air pressure probe 120 relatively data computation fan 150 optimal RMP with relevant the most suitable air capacity, and the signal of telecommunication of output control part 110 is to fans drive part 140; And memory 130, store the information of all control operations of relevant control section 110.
Control section 110 changes the RPM of fan 150 in proportion, so keeps optimal air capacity.Described control section 110 comprises the PID controller that can control in proportion.
Fans drive part 140 is used for by the direct drive fan 150 of the output signal (RPM of fan 150) that receives control section 110 as the RPM controller.
Here, air pressure probe 120 is not limited to a kind of product, but can select from the sensor that can detect air capacity.
Can understand from Fig. 4, in closed loop, obtain control program of the present invention.
Air pressure probe 120 detects continuous air supplied amount, and the corresponding signal of telecommunication is applied to comprise the control section 110 of PID controller.
Afterwards, the signal of telecommunication of control section 110 admission of air pressure sensors 120 compares the initialize data of the described signal of telecommunication with relevant the most suitable air capacity, calculates the optimal RMP of fan 150.If the RMP that control section 110 is calculated to 140 outputs of fan drive part, fans drive part 140 drive fan 150.
Described control program can repeat owing to closed loop characteristic, so can stably control in proportion.
Therefore, although control system may be subjected to external disturbance after installation or in the use in proportion, because the air capacity of the described supply of control system in proportion expectation still can stably be kept combustion process.
Referring to Fig. 5, even to oil burner air supplied amount owing to the fan rotor load curve that the influence of the variation of the variation of the kind of coming automatic heat-exchanger, load, aiutage and wind changes is changed, air pressure probe can detect the variation to oil burner air supplied amount, and can change the RPM of fan based on the signal that air pressure probe detects, thereby can keep optimal air capacity as the control section of oil burner controller.
Describe the present invention about be considered at present the most practical and preferred embodiment in, be understandable that the present invention is not restricted to disclosed embodiment and accompanying drawing, and under the situation of the spirit and scope that do not break away from claim of the present invention, cover various modifications or change.
As mentioned above, the fuel quantity among the present invention is according to being supplied to the air capacity of the oil burner that is widely used in domestic boiler, Industrial Boiler or heater to regulate, so that can access optimal air-fuel ratio.
Claims (5)
1. one kind is used the system of suitable air-fuel ratio of air pressure probe control oil burner, and described system comprises:
The energy supply section;
Fan is used for by receive driving voltage supply oil burner burning required air from described energy supply section;
The fans drive part is as the controller that drives described fan;
Air pressure probe, a side of stream that is installed in described fan air supplied is to measure the air capacity that supplied; And
Control section is used for partly exporting the optimal RPM of fan by the signal that is recorded by described air pressure probe is compared to described fans drive with the relevant initialize data of suitable air capacity.
2. control system as claimed in claim 1, wherein, described control section comprises the PID controller of keeping optimal air-fuel ratio by the RPM that changes fan in proportion.
3. control system as claimed in claim 1 or 2, wherein, described oil burner optionally is used on domestic boiler, Industrial Boiler or the heater.
4. method of using air pressure probe control oil burner air-fuel ratio, described method comprises the steps:
Utilize air pressure probe to detect fan air supplied amount;
By to the comparison of the signal of relevant air capacity, use controller to calculate the most suitable RPM of fan with the initialize data of relevant the most suitable air capacity;
Utilize the RPM of controller calculating to the output of fan drive part; And
Rotate fan according to the RPM that is calculated that is input to the fans drive part.
5. control method as claimed in claim 4, wherein, detecting step from described air capacity is to obtain by closed loop policy to described fans drive step, even exist external disturbance also can supply optimal air capacity to oil burner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050007858 | 2005-01-28 | ||
| KR1020050007858A KR20060087071A (en) | 2005-01-28 | 2005-01-28 | System and control method of oil burner' suitable burning ratio using air pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101115955A true CN101115955A (en) | 2008-01-30 |
Family
ID=36953532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800034800A Pending CN101115955A (en) | 2005-01-28 | 2006-01-11 | System and control method of oil burner's suitable burning ratio using air pressure sensor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080118877A1 (en) |
| EP (1) | EP1846696A4 (en) |
| JP (1) | JP2008528925A (en) |
| KR (1) | KR20060087071A (en) |
| CN (1) | CN101115955A (en) |
| WO (1) | WO2006095960A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720683A (en) * | 2012-05-11 | 2012-10-10 | 常州新德冷机有限公司 | Air conditioner indoor modularization fan |
| CN103221348A (en) * | 2010-09-21 | 2013-07-24 | 玻璃设计及技术有限责任公司 | Method for the controlled operation of an industrial oven which is heated in a regenerative manner, control device, and industrial oven |
| CN107270323A (en) * | 2017-05-18 | 2017-10-20 | 昆明理工大学 | A kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008058408A2 (en) * | 2006-11-17 | 2008-05-22 | Toby Ag | Method for controlling an evaporator burner |
| DE102011117736A1 (en) | 2011-11-07 | 2013-05-08 | Honeywell Technologies Sarl | Method for operating a gas burner |
| CN102748774B (en) * | 2012-07-17 | 2015-05-13 | 中昊晨光化工研究院有限公司 | Burning furnace, burning control method and burning control device |
| KR101436867B1 (en) * | 2012-12-28 | 2014-09-02 | 주식회사 경동나비엔 | Air Proporationality Type Combustion Apparatus and Heat Capacity Controlling Method thereof |
| CN104515144B (en) * | 2013-09-26 | 2017-02-22 | 沈阳铝镁设计研究院有限公司 | Tank type furnace air flow control system and control method |
| CN105888744B (en) * | 2016-04-27 | 2017-06-16 | 华北电力大学（保定） | The thermal power plant unit control method of main steam pressure deviation is compensated using heat supply network accumulation of energy |
| CN105955140A (en) * | 2016-06-20 | 2016-09-21 | 重庆红江机械有限责任公司 | Methanol combustor controller and control method thereof |
| CN109457105A (en) * | 2018-10-26 | 2019-03-12 | 福建三钢闽光股份有限公司 | A kind of temprature control method based on steel rolling Two-cuff Technique heating furnace |
| CN111637496A (en) * | 2020-04-28 | 2020-09-08 | 华帝股份有限公司 | Gas stove system capable of automatically reminding insufficient air supply and control method thereof |
| KR102647978B1 (en) * | 2023-01-21 | 2024-03-14 | 주식회사 라인즈 | premixed combustion water-cooled burner |
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| WO1984001809A1 (en) * | 1982-10-29 | 1984-05-10 | Vaillant Joh Gmbh & Co | Burner supplied with fluid fuel |
| US4645450A (en) * | 1984-08-29 | 1987-02-24 | Control Techtronics, Inc. | System and process for controlling the flow of air and fuel to a burner |
| JPH0261414A (en) * | 1988-08-26 | 1990-03-01 | Rinnai Corp | Controller for burner |
| TW294771B (en) * | 1995-01-30 | 1997-01-01 | Gastar Co Ltd | |
| JP3423464B2 (en) * | 1995-01-31 | 2003-07-07 | 株式会社ガスター | Combustion equipment |
| JP3566807B2 (en) * | 1995-04-28 | 2004-09-15 | 株式会社ガスター | Combustion equipment |
| JP3653886B2 (en) * | 1996-09-19 | 2005-06-02 | 株式会社ノーリツ | Air blower control device for turbo blower |
| JP3335282B2 (en) * | 1996-10-22 | 2002-10-15 | 株式会社サムソン | Air volume adjustment method using boiler inverter device |
| GB9700035D0 (en) * | 1997-01-03 | 1997-02-19 | Autoflame Eng Ltd | Improvements in or relating to burner control instruments |
| DE69709928T2 (en) * | 1997-10-17 | 2002-08-29 | Riello S.P.A., Legnago | Combined control system for gas and air for controlling the combustion of a gas boiler |
| DE19921045B4 (en) * | 1998-07-16 | 2008-02-14 | Dreizler, Ulrich, Dipl.-Ing. | Burner for combustion of liquid and / or gaseous fuels in combustion plants |
| US6213758B1 (en) * | 1999-11-09 | 2001-04-10 | Megtec Systems, Inc. | Burner air/fuel ratio regulation method and apparatus |
| DE10110810A1 (en) * | 2001-03-06 | 2002-09-12 | Siemens Building Tech Ag | Arrangement of a burner control for a gas or oil burner |
| EP1363073A1 (en) * | 2002-05-15 | 2003-11-19 | Andrea Ambrosi | Regulation system to control the speed of a fan delivering burner air |
| US6874329B2 (en) * | 2003-05-30 | 2005-04-05 | Carrier Corporation | Refrigerant cooled variable frequency drive and method for using same |
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-
2005
- 2005-01-28 KR KR1020050007858A patent/KR20060087071A/en not_active Application Discontinuation
-
2006
- 2006-01-11 US US11/795,911 patent/US20080118877A1/en not_active Abandoned
- 2006-01-11 EP EP06702017A patent/EP1846696A4/en not_active Withdrawn
- 2006-01-11 JP JP2007553026A patent/JP2008528925A/en active Pending
- 2006-01-11 WO PCT/KR2006/000115 patent/WO2006095960A1/en active Application Filing
- 2006-01-11 CN CNA2006800034800A patent/CN101115955A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221348A (en) * | 2010-09-21 | 2013-07-24 | 玻璃设计及技术有限责任公司 | Method for the controlled operation of an industrial oven which is heated in a regenerative manner, control device, and industrial oven |
| US9242884B2 (en) | 2010-09-21 | 2016-01-26 | Software & Technologie Glas Gmbh (Stg) | Method for the controlled operation of an industrial oven which is heated in a regenerative manner, control device, and industrial oven |
| CN103221348B (en) * | 2010-09-21 | 2016-08-03 | 玻璃设计及技术有限责任公司 | For regulating the method for the industrial boiler operation of regeneration heating, controlling device and Industrial Boiler |
| CN102720683A (en) * | 2012-05-11 | 2012-10-10 | 常州新德冷机有限公司 | Air conditioner indoor modularization fan |
| CN107270323A (en) * | 2017-05-18 | 2017-10-20 | 昆明理工大学 | A kind of biomass fuel is oxygen-enriched/total oxygen chaos burning real-time diagnosis system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006095960A1 (en) | 2006-09-14 |
| EP1846696A4 (en) | 2012-01-04 |
| US20080118877A1 (en) | 2008-05-22 |
| KR20060087071A (en) | 2006-08-02 |
| EP1846696A1 (en) | 2007-10-24 |
| JP2008528925A (en) | 2008-07-31 |
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