CN108005942A - A kind of gas instantaneous water heater AC blower fan control system - Google Patents

A kind of gas instantaneous water heater AC blower fan control system Download PDF

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Publication number
CN108005942A
CN108005942A CN201810002784.XA CN201810002784A CN108005942A CN 108005942 A CN108005942 A CN 108005942A CN 201810002784 A CN201810002784 A CN 201810002784A CN 108005942 A CN108005942 A CN 108005942A
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China
Prior art keywords
circuit
resistance
wind turbine
silicon
water heater
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CN201810002784.XA
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Chinese (zh)
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CN108005942B (en
Inventor
曹志强
朱宁东
邱春松
岳志毅
艾磊
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Chengdu Chiffo Electronics Co Ltd
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Chengdu Chiffo Electronics Co Ltd
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Publication of CN108005942A publication Critical patent/CN108005942A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Electrical Variables (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

The present invention discloses a kind of gas instantaneous water heater AC blower fan control system, including wind turbine synchronous signal circuit, single chip circuit, silicon controlled control circuit, power circuit and gas instantaneous water heater wind turbine, the output terminal of wherein described wind turbine synchronous signal circuit is connected with the input terminal of the single chip circuit, the output terminal of the single chip circuit is connected with the input terminal of the silicon controlled control circuit, the output terminal of the silicon controlled control circuit connects the input terminal of the wind turbine, and the power circuit provides operating voltage to each circuit.The present invention realizes the control to all wind turbines of gas instantaneous water heater, can according to the needs of user it is any adjust, control fan speed, the drawbacks of overcoming in the prior art, facilitate needs of the user to air-blower control significantly.

Description

A kind of gas instantaneous water heater AC blower fan control system
Technical field
The present invention relates to gas instantaneous water heater field, and relate more specifically to a kind of controlled using silicon-controlled silicon circuit and fire The control system of all wind turbines of gas fast water heater.
Background technology
It is domestic existing using the Full-automatic forced exhaust of Alternating Current Power Supply or intelligent constant-temperature gas instantaneous water heater and wall hanging Stove, controls for AC blower fan, generally uses relay or SCR control.If controlled with relay, it is impossible to governing speed, if Governing speed is wanted, it is necessary to motor multi-tap, controls speed with several relays respectively, it is so not only of high cost, but also cannot be with Anticipate governing speed, if with SCR control, can generally control and can governing speed, but all motors cannot be controlled, for example cover Pole motor or other special machines, since parameter influences, synchronizing signal dislocation, causes silicon-controlled to turn off or open.
The content of the invention
For the deficiency of above-mentioned technology, the present invention discloses a kind of gas instantaneous water heater AC blower fan control system, can By silicon-controlled control of the realization to all wind turbines, and can according to the needs of user it is any adjust, control fan speed.
The present invention uses following technical scheme:A kind of gas instantaneous water heater AC blower fan control system, including wind turbine are same Signal circuit, single chip circuit, silicon controlled control circuit, power circuit and gas instantaneous water heater wind turbine are walked, wherein the wind The output terminal of machine synchronous signal circuit is connected with the input terminal of the single chip circuit, the output terminal of the single chip circuit and institute The input terminal connection of silicon controlled control circuit is stated, the output terminal of the silicon controlled control circuit connects the input terminal of the wind turbine, Wherein described wind turbine synchronous signal circuit is used to detect the crossover point signal on 220V alternating currents, and the single chip circuit is used to connect External interrupt synchronizing signal is received, outer synchronous signal is calculated and controls the silicon controlled control circuit to perform action, The silicon controlled control circuit is used for the action that performs for controlling wind turbine, and the power circuit provides operating voltage to each circuit.
As the further technical solution of the present invention, the power circuit is the power supply electricity based on MP2307/SOP8 chips Road, output DC voltage are+5V and+12V.
As the further technical solution of the present invention, the single chip circuit is the list based on STM32F103C8T6 chips Piece electromechanics road.
As the further technical solution of the present invention, the input terminal of the silicon controlled control circuit connects the wind turbine synchronization The output terminal of signal circuit, the collector of the output terminal connection transistor V2 of the wind turbine synchronous signal circuit, the crystalline substance The collector of body triode V2 is also grounded by resistance R12 connection+5V power supplys, by resistance R11, the transistor V2's Emitter is grounded, and the base stage of the transistor V2 passes through the emitter of resistance R13 connection photoelectrical couplers D1, the resistance Resistance R14, the resistance R14 are in series between the emitter of R13 and the transistor V2 and is parallel with capacitance C6, the light The collector of electric coupler D1 connects+5V power supplys, and the anode of the photoelectrical coupler D1 passes through series resistance R3, resistance R6, resistance R8, resistance R9, resistance R7 and resistance R4 connect 220V alternating current fire wires, and the cathode of the photoelectrical coupler D1 passes through diode V1 220V alternating current zero curves are connected, wherein the cathode of the photoelectrical coupler D1 connects the anode of the diode V1, two pole The cathode connection 220V alternating current zero curves of pipe V1, the cathode of the diode V1 are also gone here and there by resistance R17 and with the resistance R17 The capacitance C11 of connection is connected with one end of the wind turbine, and the other end of the wind turbine is connected with 220V alternating current fire wires, with the electricity Resistance R17 and capacitance C11 is connected in parallel to bidirectional triode thyristor V3, and the control pole of the bidirectional triode thyristor V3 is connected with silicon-controlled output The 4th pin of the first output loop of type optocoupler D3, the 6th pin of the second output loop of the silicon-controlled output type optocoupler D3 lead to Cross the anode of the resistance R16 connections capacitance C11, the first pin connection+5V power supplys of the silicon-controlled output type optocoupler D3, institute The second pin for stating silicon-controlled output type optocoupler D3 passes through resistance R18 connection motor incoming ends.
As the further technical solution of the present invention, the photoelectrical coupler D1 is the linear optocouplers of PC817, the diode V1 be stamp-mounting-paper diode FR107W, the bidirectional thyristor silicon V3 model MAC4DCNT4, the silicon-controlled output type optocoupler The model MOC3022 of D3.
Positive beneficial effect:
The present invention is realized pair using wind turbine synchronous signal circuit, single chip circuit, power circuit, silicon controlled control circuit The control of all wind turbines of gas instantaneous water heater, and can according to the needs of user it is any adjust, control fan speed, overcome In the prior art because relay control cannot adjust the technology drawback of the speed of multiple wind turbines at the same time, user couple is facilitated significantly The needs of air-blower control so that gas instantaneous water heater preferably services the mankind.
Brief description of the drawings
Fig. 1 is the system architecture diagram of the present invention;
Fig. 2 is the power circuit diagram in the present invention;
Fig. 3 is the microprocessor circuit in the present invention;
Fig. 4 is the silicon controlled control circuit figure in the present invention.
Embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it will be appreciated that embodiment described herein It is merely to illustrate and explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of gas instantaneous water heater AC blower fan control system, including wind turbine synchronous signal circuit, list Piece electromechanics road, silicon controlled control circuit, power circuit and gas instantaneous water heater wind turbine, wherein the wind turbine synchronous signal circuit Output terminal be connected with the input terminal of the single chip circuit, the output terminal of the single chip circuit and the SCR control electricity The input terminal connection on road, the output terminal of the silicon controlled control circuit connects the input terminal of the wind turbine, wherein the wind turbine is same Step signal circuit is used to detect the crossover point signal on 220V alternating currents, and the single chip circuit is used to receive external interrupt synchronization Signal, calculate outer synchronous signal and control the silicon controlled control circuit to perform action, the SCR control Circuit is used for the action that performs for controlling wind turbine, and the power circuit provides operating voltage to each circuit.
In a particular embodiment, the power circuit is the power circuit based on MP2307/SOP8 chips, exports direct current Press as+5V and+12V.
In a particular embodiment, the single chip circuit is the single chip circuit based on STM32F103C8T6 chips.
In a particular embodiment, the input terminal of the silicon controlled control circuit connects the defeated of the wind turbine synchronous signal circuit Outlet, the collector of the output terminal connection transistor V2 of the wind turbine synchronous signal circuit, the transistor V2's Collector is also grounded by resistance R12 connection+5V power supplys, by resistance R11, the emitter ground connection of the transistor V2, The base stage of the transistor V2 passes through the emitter of resistance R13 connection photoelectrical couplers D1, the resistance R13 and the crystalline substance Resistance R14, the resistance R14 are in series between the emitter of body triode V2 and is parallel with capacitance C6, the photoelectrical coupler D1 Collector connect+5V power supplys, the anode of the photoelectrical coupler D1 by series resistance R3, resistance R6, resistance R8, resistance R9, Resistance R7 connects 220V alternating current fire wires with resistance R4, and the cathode of the photoelectrical coupler D1 is handed over by diode V1 connections 220V Galvanic electricity zero curve, wherein the cathode of the photoelectrical coupler D1 connects the anode of the diode V1, the cathode of the diode V1 220V alternating current zero curves are connected, the cathode of the diode V1 also passes through resistance R17 and the capacitance connected with the resistance R17 C11 is connected with one end of the wind turbine, and the other end of the wind turbine is connected with 220V alternating current fire wires, with the resistance R17 and The control pole that capacitance C11 is connected in parallel to bidirectional triode thyristor V3, the bidirectional triode thyristor V3 is connected with silicon-controlled output type optocoupler The 4th pin of the first output loop of D3, the 6th pin of the second output loop of the silicon-controlled output type optocoupler D3 pass through resistance The anode of the R16 connections capacitance C11, the first pin connection+5V power supplys of the silicon-controlled output type optocoupler D3 are described controllable The second pin of silicon output type optocoupler D3 passes through resistance R18 connection motor incoming ends.
In a particular embodiment, the photoelectrical coupler D1 is the linear optocouplers of PC817, and the diode V1 is two pole of patch The model MAC4DCNT4 of pipe FR107W, the bidirectional thyristor silicon V3, the model of the silicon-controlled output type optocoupler D3 MOC3022.In general, PC817 photoelectrical couplers can not only play the role of feedback, the effect of isolation is also acted as.PC817 is normal Linear optocoupler, is widely used in computer terminals, silicon-controlled system equipment, measuring instrument, copying machines, automatic ticketing, family expenses Signal transmission between the circuits such as electric appliance, such as fan, heater, is usually worked as in the more accurate functional circuit of various requirement Make coupled apparatus, have the function that the superior and the subordinate's circuit is completely isolated, do not have an impact mutually.Be allowed to front end with load completely every From, it is therefore intended that increase security, reduces circuit interference, simplifies circuit design
The silicon-controlled output type optocoupler D3 of model MOC3022, when there are enough excitations in LED sides, its output terminal is triggered Simultaneously self-locking is turned on, even if the excitation for removing LED sides at this time remains on maintenance conducting, until just cut-off during current over-zero, silicon-controlled T1, have voltage between T2, silicon-controlled output type optocoupler D3 is maintained at conducting state.So model MOC3022's is controllable Silicon output type optocoupler D3 is only used for the load control of alternating current, once triggering in the half cycle of alternating current, electric current can maintain Just turned off during alternating current commutation zero passage.
In the above-described embodiments, wind turbine synchronous signal circuit, which is mainly responsible for, the zero-crossing examination on 220V alternating currents Come, the frequency of 220V alternating currents is 50Hz, and a cycle there are two zero crossings, then the frequency of synchronizing signal is 100Hz.So Circuit high level on 220V alternating currents is synchronizing signal, and such as the waveform signal S3 in Fig. 1, in a particular embodiment, pulse is wide Degree is generally 0.5ms, it is impossible to and it is too big, can not be too small.Single chip circuit is controlled two-way controllable by wind turbine synchronous signal circuit Silicon V3, when single chip circuit receives wind turbine synchronizing signal, requires timing delays to open bidirectional triode thyristor further according to rotation speed of fan V3.Bidirectional triode thyristor V3 can realize the system without deaerator of alternating current in circuit, with Small current control high current, with no fire Flower, act the advantages that fast, long lifespan, reliability are high and simplify circuit structure.Bidirectional triode thyristor is opened immediately after in delay V3, i.e., control signal S1 as shown in fig. 1, cannot close bidirectional triode thyristor V3 at once after unlatching, while can not also close too early It is too early that bidirectional triode thyristor V3, bidirectional triode thyristor V3 are closed, and bidirectional triode thyristor V3, which may also, not to be triggered, if too late, it is two-way controllable Silicon V3 possibly can not turn off, therefore be delayed to away from next zero point 2ms or so when turn off, this completes a cycle control System, next cycle are controlled with same procedure again.Such as the waveform signal S2 in Fig. 1, just wind turbine is controlled for silicon controlled control circuit Waveform signal.
Therefore, the present invention is real using wind turbine synchronous signal circuit, single chip circuit, power circuit, silicon controlled control circuit Showed the control to all wind turbines of gas instantaneous water heater, and can according to the needs of user it is any adjust, control wind turbine speed Degree, overcomes in the prior art because relay control cannot adjust the technology drawback of the speed of multiple wind turbines, big convenience at the same time Needs of the user to air-blower control so that gas instantaneous water heater preferably services the mankind.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these Embodiment is merely illustrative of, those skilled in the art in the case where not departing from the principle of the present invention and essence, Various omissions, substitutions and changes can be carried out to the details of the above method and system.For example, merge above method step, so that Substantially identical function is performed according to substantially identical method to realize that substantially identical result then belongs to the scope of the present invention.Cause This, the scope of the present invention is only limited by the claims that follow.

Claims (5)

1. a kind of gas instantaneous water heater AC blower fan control system, including it is wind turbine synchronous signal circuit, single chip circuit, controllable Silicon control circuit, power circuit and gas instantaneous water heater wind turbine, it is characterised in that the output of the wind turbine synchronous signal circuit End is connected with the input terminal of the single chip circuit, and the output terminal of the single chip circuit is defeated with the silicon controlled control circuit Enter end connection, the output terminal of the silicon controlled control circuit connects the input terminal of the wind turbine, wherein the wind turbine synchronizing signal Circuit is used to detecting crossover point signal on 220V alternating currents, the single chip circuit be used to receiving external interrupt synchronizing signal, Calculated outer synchronous signal and controlled the silicon controlled control circuit to perform action, the silicon controlled control circuit is used In the action that performs of control wind turbine, the power circuit provides operating voltage to each circuit.
A kind of 2. gas instantaneous water heater AC blower fan control system according to claim 1, it is characterised in that the electricity Source circuit is the power circuit based on MP2307/SOP8 chips, and output DC voltage is+5V and+12V.
A kind of 3. gas instantaneous water heater AC blower fan control system according to claim 1, it is characterised in that the list Piece electromechanics road is the single chip circuit based on STM32F103C8T6 chips.
A kind of 4. gas instantaneous water heater AC blower fan control system according to claim 1, it is characterised in that it is described can The input terminal for controlling silicon control circuit connects the output terminal of the wind turbine synchronous signal circuit, the wind turbine synchronous signal circuit it is defeated The collector of outlet connection transistor V2, the collector of the transistor V2 also pass through resistance R12 connections+5V electricity Source, be grounded by resistance R11, and the emitter ground connection of the transistor V2, the base stage of the transistor V2 passes through electricity The emitter of R13 connection photoelectrical couplers D1 is hindered, is in series between the resistance R13 and the emitter of the transistor V2 Resistance R14, the collector that the resistance R14 is parallel with capacitance C6, the photoelectrical coupler D1 connect+5V power supplys, the photoelectricity coupling The anode of clutch D1 connects 220V alternating currents by series resistance R3, resistance R6, resistance R8, resistance R9, resistance R7 with resistance R4 Firewire, the cathode of the photoelectrical coupler D1 is by diode V1 connection 220V alternating current zero curves, wherein the photoelectrical coupler The cathode of D1 connects the anode of the diode V1, the cathode connection 220V alternating current zero curves of the diode V1, two pole The cathode of pipe V1 is connected also by resistance R17 and with the capacitance C11 of resistance R17 series connection with one end of the wind turbine, described The other end of wind turbine is connected with 220V alternating current fire wires, and bidirectional triode thyristor is connected in parallel to the resistance R17 and capacitance C11 The control pole of V3, the bidirectional triode thyristor V3 are connected with the 4th pin of the first output loop of silicon-controlled output type optocoupler D3, institute The 6th pin of the second output loop for stating silicon-controlled output type optocoupler D3 passes through the anode of the resistance R16 connections capacitance C11, institute The first pin connection+5V power supplys of silicon-controlled output type optocoupler D3 are stated, the second pin of the silicon-controlled output type optocoupler D3 is led to Cross resistance R18 connection motor incoming ends.
A kind of 5. gas instantaneous water heater AC blower fan control system according to claim 4, it is characterised in that the light Electric coupler D1 is the linear optocouplers of PC817, and the diode V1 is stamp-mounting-paper diode FR107W, the bidirectional thyristor silicon V3's Model MAC4DCNT4, the model MOC3022 of the silicon-controlled output type optocoupler D3.
CN201810002784.XA 2018-01-02 2018-01-02 Alternating current fan control system of gas rapid water heater Active CN108005942B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0426394A (en) * 1990-05-21 1992-01-29 Fuji Electric Co Ltd Load current detection in power conversion device
CN102062810A (en) * 2010-12-14 2011-05-18 江苏大学 Detection circuit and method for zero crossing point of alternating current power supply
CN102647151A (en) * 2012-04-24 2012-08-22 上海电力学院 Cascade speed regulating device for current zero-crossing speed measurement for hardware detection
WO2013044602A1 (en) * 2011-09-30 2013-04-04 海信科龙电器股份有限公司 Zero-crossing signal detection circuit
CN103036501A (en) * 2012-12-04 2013-04-10 中山市樱雪集团有限公司 Upper alternating current fan speed regulating system of gas water heater
KR20130105255A (en) * 2012-03-15 2013-09-25 김해영 A boiler apparatus with the heating function for domestic water using hot water
CN203595750U (en) * 2013-11-18 2014-05-14 深圳麦格米特电气股份有限公司 Zero-cross detection circuit for alternating-current power supply of gas water heater
CN204228811U (en) * 2014-11-04 2015-03-25 广东美的制冷设备有限公司 A kind of zero cross detection circuit
US20150159663A1 (en) * 2013-12-11 2015-06-11 Asia Vital Components Co., Ltd. Fan Motor Control Device
US20160172979A1 (en) * 2014-12-15 2016-06-16 Silergy Semiconductor Technology (Hangzhou) Ltd Zero-crossing detection circuit and switching power supply thereof
CN106885378A (en) * 2017-03-31 2017-06-23 广东万和新电气股份有限公司 Gas heater wind resistance pressure control system
CN207762000U (en) * 2018-01-02 2018-08-24 成都前锋电子有限责任公司 A kind of gas instantaneous water heater AC blower fan control system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0426394A (en) * 1990-05-21 1992-01-29 Fuji Electric Co Ltd Load current detection in power conversion device
CN102062810A (en) * 2010-12-14 2011-05-18 江苏大学 Detection circuit and method for zero crossing point of alternating current power supply
WO2013044602A1 (en) * 2011-09-30 2013-04-04 海信科龙电器股份有限公司 Zero-crossing signal detection circuit
KR20130105255A (en) * 2012-03-15 2013-09-25 김해영 A boiler apparatus with the heating function for domestic water using hot water
CN102647151A (en) * 2012-04-24 2012-08-22 上海电力学院 Cascade speed regulating device for current zero-crossing speed measurement for hardware detection
CN103036501A (en) * 2012-12-04 2013-04-10 中山市樱雪集团有限公司 Upper alternating current fan speed regulating system of gas water heater
CN203595750U (en) * 2013-11-18 2014-05-14 深圳麦格米特电气股份有限公司 Zero-cross detection circuit for alternating-current power supply of gas water heater
US20150159663A1 (en) * 2013-12-11 2015-06-11 Asia Vital Components Co., Ltd. Fan Motor Control Device
CN204228811U (en) * 2014-11-04 2015-03-25 广东美的制冷设备有限公司 A kind of zero cross detection circuit
US20160172979A1 (en) * 2014-12-15 2016-06-16 Silergy Semiconductor Technology (Hangzhou) Ltd Zero-crossing detection circuit and switching power supply thereof
CN106885378A (en) * 2017-03-31 2017-06-23 广东万和新电气股份有限公司 Gas heater wind resistance pressure control system
CN207762000U (en) * 2018-01-02 2018-08-24 成都前锋电子有限责任公司 A kind of gas instantaneous water heater AC blower fan control system

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