CN201837856U - Gas wall hanging boiler parameter self-adaptive fuzzy control system - Google Patents
Gas wall hanging boiler parameter self-adaptive fuzzy control system Download PDFInfo
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- CN201837856U CN201837856U CN200920254880XU CN200920254880U CN201837856U CN 201837856 U CN201837856 U CN 201837856U CN 200920254880X U CN200920254880X U CN 200920254880XU CN 200920254880 U CN200920254880 U CN 200920254880U CN 201837856 U CN201837856 U CN 201837856U
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Abstract
The utility model relates to a gas wall hanging boiler parameter self-adaptive fuzzy control system which comprises a fuzzy controller, a fan, a wind pressure switch, an ignition needle/ a flame sensing needle, a proportional valve, a heating return water temperature sensor, a heating outlet water temperature sensor, a bath temperature sensor, a water pressure switch, a heating flow sensor, a bath flow sensor, a circulating pump and a limiting temperature sensor, wherein an input end of the fuzzy controller is respectively connected with the limiting temperature sensor, the heating return water temperature sensor, the bath temperature sensor, the heating outlet water temperature sensor, the wind pressure switch, the ignition needle/ the flame sensing needle, the water pressure switch, the heating flow sensor and a signal output end of the bath flow sensor; an output end of the fuzzy controller is connected with the proportional valve, the fan, an igniter and the circulating pump; six closed control subsystems are formed by taking the fuzzy controller as a core; and the whole system can work in order under the coordination and treatment of a single chip computer.
Description
Technical field
The present invention relates to a kind of control system of burnt gas wall hanging furnace, specifically is the parameter adaptive Fuzzy control system of burnt gas wall hanging furnace.
Background technology
Burnt gas wall hanging furnace running environment be a large time delay, non-linear, the time the complicated controlling object that becomes, adopt traditional control strategy to be difficult to obtain better controlling performance.In the prior art, the dual-purpose burnt gas wall hanging furnace of heating bathing generally all adopts theoretical calculation model to cooperate the engineering experience value to realize the PID control of system, this method does not rely on counter the sending of the information of controlled volume is formed any closed loop, belong to open cycle system control, can guarantee that under the canonical parameter input state system moves normally.In practice, because Domestic Environment parameter complexity, when having the input of non-linear, time variation parameter in the system, this control method can not realize the adjustment and the modification of controlling object, abnormal running phenomenons such as malcombustion, frequent starting can appear in the wall hanging stove, cause that the reduction of wall hanging stove life-span, failure rate height, the thermal efficiency are low, the defective of highly energy-consuming.In order to overcome these defectives, fuzzy control is developed to the burnt gas wall hanging furnace parameter adaptive.
Goal of the invention
In order to adapt to when the input of non-linear, time variation parameter, can adjust and revise controlling object synchronously, eliminate abnormal running phenomenons such as the malcombustion of wall hanging stove, frequent starting, improve wall hanging stove serviceable life, significantly reduce failure rate, improve the thermal efficiency of wall hanging stove, the utility model provides a kind of parameter adaptive Fuzzy control system of the dual-purpose burnt gas wall hanging furnace of bathing that heats.It can be suitable for the water, electricity, gas environment of domestic complexity, adopt the negative feedback closed loop control model, realize the normal operation of burnt gas wall hanging furnace by self-adaptation, self-organization, the self study of fuzzy controller, it is strong to have adaptability, the water temperature governing response is not rapidly, lag behind, energy-saving effect is remarkable, reduces the amount of consumed gas of wall hanging stove greatly, has improved the thermal efficiency.
Summary of the invention
Fuzzy control system is by heat protection closed loop subsystem; adjustment closed loop subsystem, blower fan control closed loop subsystem, flame control closed loop subsystem; heating current closed loop subsystem, these six groups of subsystems of bathing current closed loop subsystem become the negative feedback closed loop control system.Comprise fuzzy controller, blower fan, blast switch, igniting pin flame inductive needle, proportioning valve, heating water return temperature sensor, heating leaving water temperature sensor, bathing temperature sensor, hydraulic pressure switch, heating flow sensor, bathing flow sensor, ebullator and ultimate temperature sensor; The signal output part of ultimate temperature sensor is connected to the input end of fuzzy controller, and the output terminal of fuzzy controller is connected to proportioning valve, constitutes heat protection closed loop subsystem; The signal output part of heating water return temperature sensor, bathing temperature sensor and heating leaving water temperature sensor is connected to the input end of fuzzy controller, and the output terminal of fuzzy controller is connected to proportioning valve, constitutes adjustment closed loop subsystem; The signal output part of blast switch is connected to the input end of fuzzy controller, and the output terminal of fuzzy controller is connected to blower fan, constitutes blower fan control closed loop subsystem; The igniting pin the signal output part of flame inductive needle be connected to the input end of fuzzy controller, the output terminal of fuzzy controller is connected to lighter, constitutes flame control closed loop subsystem; The signal output part of hydraulic pressure switch, heating flow sensor is connected to the input end of fuzzy controller, and the output terminal of fuzzy controller is connected to ebullator, constitutes heating current closed loop subsystem; The signal output part of bathing flow sensor is connected to the input end of fuzzy controller, and the output terminal of fuzzy controller is connected to ebullator, constitutes bathing current closed loop subsystem; Control circuit adopts single-chip microcomputer to coordinate total system and works in an orderly manner, and input signal and the output signal handled by it are as follows: (1) input signal: streamflow regime input, fan condition input, the flame status input, hot guard mode input, the temperature signal input is provided with the state input; (2) output signal: water pump control output, blower fan control output, proportional valve control output, temperature shows output, lighter output.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the principle of work synoptic diagram of fuzzy controller
Fig. 3 is a principle of work synoptic diagram of the present utility model
Among the figure, 1, operation keyboard, 2, fuzzy controller, 3, transformer, 4, power supply inserts wire harness, 5, blower fan, 6, transformer rat tail, 7, ebullator, 8, the ultimate temperature sensor, 9, switch valve 1,10, switch valve 2,11, proportioning valve, 12, interior hydraulic pressure switch, 13, heating flow sensor, 14, heating water return temperature sensor, 15, heating leaving water temperature sensor, 16, bathing flow sensor wire harness, 17, operation keyboard rat tail, 18, bathing temperature sensor, 19, blast switch, 20, the flame detection line, 21, ground wire, 22, lighter.
Embodiment
Referring to Fig. 1, Fuzzy control system is by operation keyboard 1, fuzzy controller 2, and transformer 3, sensor wire harness and sensor are formed, and fuzzy controller 2 embedded single-chip microcomputers are coordinated total system by single-chip microcomputer and are worked in an orderly manner.Fuzzy controller inserts wire harness 4 by power supply and connects external power source.When keying in the heating request by operation keyboard 1, heating water return temperature sensor 14 and heating leaving water temperature sensor 15 will detect to such an extent that temperature signal feeds back to fuzzy controller 2, after the request of will heating of the single-chip microcomputer of fuzzy controller 2 is compared with feedback signal, start heating current closed loop subsystem.Hydraulic pressure switch 12 detects the heating pressure signal in the heating current closed loop subsystem, and heating flow sensor 13 detects the heating flow signal, and heating pressure signal and heating flow signal are by the start and stop of fuzzy controller 2 embedded Micro Controller Unit (MCU) driving ebullators 7; After ebullator 7 starts, control changes flame control closed loop subsystem and blower fan control closed loop subsystem over to: flame detection line 20 flame detection signals in the flame control closed loop subsystem, flare up fire drives (switch valve 1) 9, (switch valve 2) 10 and proportioning valve 11 actions simultaneously by fuzzy controller 2 embedded Micro Controller Unit (MCU) driving lighter 22 starting ignitions actions; Blast switch 19 detects wind pressure signal and passes through fuzzy controller 2 embedded Micro Controller Unit (MCU) driving blower fan start and stop in the blower fan control closed loop subsystem, and combustion gas is lighted automatically; Control changes adjustment closed loop subsystem over to behind the fuel gas buring, and heating water return temperature sensor 14, heating leaving water temperature sensor 15 are regulated detected temperature value and temperature change value in the adjustment closed loop subsystem by 11 pairs of combustion gas output quantities of fuzzy digit computing driving proportioning valve of fuzzy controller 2 embedded single-chip microcomputers.Each closed loop subsystem carries out full Based Intelligent Control by 2 pairs of wall hanging stoves of fuzzy controller, and the assurance security of system is normally moved.The bathing priority routine is observed in fuzzy control, when the bathing flow sensor feeds back to fuzzy controller by bathing flow sensor wire harness 16 with the bathing flow signal, control system changes bathing request pattern automatically over to, program changes bathing current closed loop subsystem over to: fuzzy controller 2 embedded Micro Controller Unit (MCU) driving ebullators 7 quit work, other closed loop subsystem carries out full Based Intelligent Control by 2 pairs of wall hanging stoves of fuzzy controller simultaneously, the assurance security of system is normally moved, for the user provides constant-temperature hot water.
Referring to Fig. 2, when the user keys in state request by operation keyboard, each sensor is input to fuzzy controller with signal, fuzzy controller is converted into fuzzy quantity after fuzzy quantization is handled with signal, draw fuzzy control quantity after fuzzy quantity process fuzzy control rule and the approximate resoning, fuzzy control quantity is finally through the precisely controlled amount of fuzzy judgment, and accurately controlled quentity controlled variable realizes that by executive components such as blower fan, ebullator, proportioning valve, lighters the wall hanging stove starts, stops, the proportioning valve adjusting.
Claims (8)
1. burnt gas wall hanging furnace parameter adaptive Fuzzy control system is characterised in that; Fuzzy control system is by heat protection closed loop subsystem; adjustment closed loop subsystem; blower fan control closed loop subsystem; flame control closed loop subsystem; heating current closed loop subsystem, bathing current closed loop subsystem is formed the negative feedback closed loop control system.
2. burnt gas wall hanging furnace parameter adaptive Fuzzy control system according to claim 1 is characterized in that it comprises: fuzzy controller, blower fan, blast switch, igniting pin flame inductive needle, proportioning valve, heating water return temperature sensor, heating leaving water temperature sensor, bathing temperature sensor, hydraulic pressure switch, heating flow sensor, bathing flow sensor, ebullator and ultimate temperature sensor.
3. according to claim 1 or the described burnt gas wall hanging furnace parameter adaptive of claim 2 Fuzzy control system; it is characterized in that the signal output part of ultimate temperature sensor is connected to the input end of fuzzy controller; the output terminal of fuzzy controller is connected to proportioning valve, constitutes heat protection closed loop subsystem.
4. according to claim 1 or the described burnt gas wall hanging furnace parameter adaptive of claim 2 Fuzzy control system, it is characterized in that the signal output part of heating water return temperature sensor, bathing temperature sensor and heating leaving water temperature sensor is connected to the input end of fuzzy controller, the output terminal of fuzzy controller is connected to proportioning valve, constitutes adjustment closed loop subsystem.
5. according to claim 1 or the described burnt gas wall hanging furnace parameter adaptive of claim 2 Fuzzy control system, it is characterized in that the signal output part of blast switch is connected to the input end of fuzzy controller, the output terminal of fuzzy controller is connected to blower fan, constitutes blower fan control closed loop subsystem.
6. according to claim 1 or the described burnt gas wall hanging furnace parameter adaptive of claim 2 Fuzzy control system, it is characterized in that lighting a fire pin the signal output part of flame inductive needle be connected to the input end of fuzzy controller, the output terminal of fuzzy controller is connected to lighter, constitutes flame control closed loop subsystem.
7. according to claim 1 or the described burnt gas wall hanging furnace parameter adaptive of claim 2 Fuzzy control system, the signal output part that it is characterized in that hydraulic pressure switch, heating flow sensor is connected to the input end of fuzzy controller, the output terminal of fuzzy controller is connected to ebullator, constitutes heating current closed loop subsystem.
8. be characterised in that according to claim 1 or the described burnt gas wall hanging furnace parameter adaptive of claim 2 Fuzzy control system, the signal output part of bathing flow sensor is connected to the input end of fuzzy controller, the output terminal of fuzzy controller is connected to ebullator, constitutes bathing current closed loop subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920254880XU CN201837856U (en) | 2009-12-01 | 2009-12-01 | Gas wall hanging boiler parameter self-adaptive fuzzy control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920254880XU CN201837856U (en) | 2009-12-01 | 2009-12-01 | Gas wall hanging boiler parameter self-adaptive fuzzy control system |
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| CN201837856U true CN201837856U (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920254880XU Expired - Fee Related CN201837856U (en) | 2009-12-01 | 2009-12-01 | Gas wall hanging boiler parameter self-adaptive fuzzy control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615368A (en) * | 2012-03-28 | 2012-08-01 | 广东美的电器股份有限公司 | Method for controlling flame brazing machine |
| CN109340887A (en) * | 2018-09-25 | 2019-02-15 | 广州迪森家居环境技术有限公司 | Gas wall-hung boiler control method, device, control equipment and gas wall-hung boiler |
| CN111854148A (en) * | 2020-05-22 | 2020-10-30 | 开赛·吾普尔 | An electric flame wall hanging furnace |
-
2009
- 2009-12-01 CN CN200920254880XU patent/CN201837856U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615368A (en) * | 2012-03-28 | 2012-08-01 | 广东美的电器股份有限公司 | Method for controlling flame brazing machine |
| CN109340887A (en) * | 2018-09-25 | 2019-02-15 | 广州迪森家居环境技术有限公司 | Gas wall-hung boiler control method, device, control equipment and gas wall-hung boiler |
| CN109340887B (en) * | 2018-09-25 | 2021-05-07 | 广州迪森家居环境技术有限公司 | Gas wall-mounted boiler control method and device, control equipment and gas wall-mounted boiler |
| CN111854148A (en) * | 2020-05-22 | 2020-10-30 | 开赛·吾普尔 | An electric flame wall hanging furnace |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20131201 |