CN1073506A - Use the multifunctional pot furnace controller and the control method thereof of microcomputer - Google Patents

Use the multifunctional pot furnace controller and the control method thereof of microcomputer Download PDF

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Publication number
CN1073506A
CN1073506A CN 91111660 CN91111660A CN1073506A CN 1073506 A CN1073506 A CN 1073506A CN 91111660 CN91111660 CN 91111660 CN 91111660 A CN91111660 A CN 91111660A CN 1073506 A CN1073506 A CN 1073506A
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boiler
controller
function
microcomputer
signal
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李英国
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HAN KOOK MEGRON CO Ltd
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HAN KOOK MEGRON CO Ltd
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Priority to CN 91111660 priority Critical patent/CN1073506A/en
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Abstract

The present invention relates to a kind of multifunctional pot furnace controller, particularly can be indoor by using the microcomputer can be correctly and control the multifunctional pot furnace controller and the control method of the every function of boiler safely.Controller of the present invention comprises radio remote controller, an indoor controller and is located at master controller on the boiler; Control method to boiler is directly to control or control from the function select signal and the control signal of radio remote controller by the indoor controller reception by boiler master controller, this controller also can show such as room temperature, the cumulative time of design temperature, time set and selected various functions meet fault and also can report to the police automatically.

Description

Use the multifunctional pot furnace controller and the control method thereof of microcomputer
The present invention relates to a kind of multifunctional pot furnace controller, particularly can be indoor by using the microcomputer can be correctly and control the multifunctional pot furnace controller and the control method of the every function of boiler safely.
General boiler all has a very problem of inconvenience, is to be loaded on the main body of boiler in order to the controller of selecting or control its every function promptly, and this just needs the user directly to go to the boiler room down to operate.The product that has indoor controller had both just been arranged, also, consequently in fact can not observe and differentiate the state of boiler or utilize indoor controller to select other function because of handling its on/off function by room temperature.
And, owing to select and control these functions, between indoor controller and master controller, approximately need 4 to 10 circuits, thereby have the too complicated and assembling of the structure shortcoming of difficulty too.
The present invention is intended to solve these problems and the shortcoming of general boiler.
In order correctly and safely to control the function of boiler, the structure of multifunctional pot furnace controller of the present invention makes and utilizes the indoor controller can be correctly indoor and control the various functions of boiler safely.Said indoor controller can show progression time and a kind of selected function of room temperature, design temperature, time set.Rely on to use microcomputer, it can select retained chamber inside and outsidely to go out simultaneously, bed is gone up sleep, hot water service, timing, regularly selection and the central a kind of function of manual reset; Again by using radio remote controller to select said these functions by radio signal from afar.
The invention has the advantages that the use of microcomputer makes that the various functions of boiler all can be correctly indoor and controlled safely.
With reference to the accompanying drawing description of this invention, can understand fully purpose of the present invention and advantage thereof.
In order to understand the present invention better and how to go to implement it,, as follows according to description of drawings:
Fig. 1 is the block scheme of radio remote controller of the present invention, indoor controller and boiler master controller;
Fig. 2 is the circuit diagram of radio remote controller of the present invention;
Fig. 3 is power unit, circuit hop, the temperature section of indoor controller of the present invention and the circuit diagram of the part of reporting to the police;
Fig. 4 is the temperature of indoor controller of the present invention and the circuit diagram of timing part and key input part;
Fig. 5 is the detailed circuit diagram that the low-water level of boiler master controller of the present invention is measured circuit and selection terminals;
Fig. 6 is the flame observation and the detailed circuit diagram of crossing the thermal cut-out circuit of boiler master controller of the present invention;
Fig. 7 is a circuit hop detailed circuit diagram of the present invention;
Fig. 8 is the detailed circuit diagram of temperature of the present invention/quantity of fuel determinator and key input part;
Fig. 9 is the detailed circuit diagram of temperature of the present invention/fuel display part and function display part;
Figure 10 be power unit of the present invention and microcomputer reset the part detailed circuit diagram;
Reference number and symbol same among all each figure are all represented similar or identical part or parts.
Following with reference to the present invention of accompanying drawing detailed description.
At first, Fig. 1 is a block diagram of describing the present invention's structure, and it comprises 100, one indoor controllers 200 of a common radio remote controller and a boiler master controller 300.
Radio remote controller 100 comprises transmission part and key input section; Indoor controller then comprises microcomputer 1, hop 2, and circuit hop 3, power unit 4, temperature/timing display part 5, function controlling part divide 6, key input section 7 and temperature survey part 8.
Boiler master controller 300 is contained on the boiler body, and it can be correctly and controls every function of boiler safely.
Have two transmission lines to be used for transmitting some fault that whether has relevant boiler in the indoor controller of this use microcomputer, said these two circuits come selection function according to the signal that offers the power supply of indoor controller and transmitted.
The function select signal that indoor controller 200 receives from said radio remote controller 100, it can show progression time and a kind of selected function of room temperature, design temperature, time set, it can also select such as retained chamber inside and outsidely go out, sleep, hot water feed, timing on the bed, regularly select, functions such as warning indication and hand-reset.
Radio remote controller 100 does not have deixis, but function selecting is identical with indoor controller, and indoor controller receives the signal that is sent by radio remote controller, so the selection of function can be finished by said selected signal.
Be located at master controller on the boiler by direct control, perhaps be used to the function selecting control signal from indoor controller, realize the selection and the control of the various functions of boiler, said indoor controller is selected signal from radio remote controller 100 selection functions; And realize such as retained chamber inside and outsidely go out, bed goes up the function of sleep, hot water feed, timing, timing selection and hand-reset; Show the progression time of room temperature, design temperature, time set and selected function simultaneously;
The operation that two circuits of the circuit hop 3 by connecting boiler master controller 300 and the boiler circuit hop 3 of indoor controller 200 transmit various function select signals and control signal control boiler mutually;
The wireless remote control method of boiler is to utilize by the push-button array K that constitutes radio remote controller 100 1-K 32Selected function digit signal enabling LED 2And to indoor controller 200 transmission infrared signals, so that selection function.
The indoor control method of boiler is to utilize the operating control procedure in the microcomputer 1 be contained in indoor controller 200 to examine and determine selected function in regular turn, promptly retained chamber in, sleep in the cooperation control of temperature, bed, go out, hot water feed, hand-reset, timing and regularly selection;
According to the function selecting in the said moment, determine increase and decrease timing and lifting design temperature with intrinsic order;
Determine whether to start boiler master controller, and start said boiler;
The main control method of boiler is according to the control program of also operating from the control signal of said indoor controller 200 in the microcomputer 1 that is contained in master controller 300, to handle boiler and finish selection function and the timing selection function that fuel has or not in turn.
Fig. 2 is the circuit diagram of radio remote controller of the present invention.The structure of this radio remote controller 100 is: triode Q 1Base stage receive microcomputer U 1Output terminal OUT, microcomputer U 1Join with push-button array.LED 1, by crystal oscillator XC and capacitor G 1, G 2Oscillatory circuit and another LED formed 2Receive said triode Q 1Collector; Resistance R 2Be connected to its emitter.
In this case, when powering by battery BAT, integrated circuit (microcomputer U 1) with crystal oscillator XC and capacitor C 2The fundamental frequency work of the oscillator signal that produces relies on push-button array K 1-K 32Select a design data, thereby match, so when pressing following said respective keys, the data that set are from integrated circuit U with a kind of function of indoor controller 1During output terminal OUT output, this output information makes triode Q 1Conducting, LED simultaneously 2Luminous, one from LED 2Infrared signal be mapped on the indoor controller 200.
For avoiding other products to send the interference of signal, give special special digital of selector switch.
Fig. 3 is that power unit, wire transmission part, the temperature of indoor controller of the present invention read part and the circuit diagram of the part of reporting to the police.Wherein the structure of power unit 4 is: diode D 41Be connected to its input end INPUT, this diode D 41Output terminal link constant voltage integrated circuit U 41, this constant voltage integrated circuit U 41Output terminal receive the feeder ear of microcomputer 1.When the direct current signal of being sent here by boiler master controller 300 was added to input end INPUT, said power unit 4 was by constant voltage integrated circuit U 41With diode D 41Keep a constant magnitude of voltage.
This constant voltage integrated circuit U 41Power supply be added to microcomputer and each circuit goes.When quantity of fuel is warned and during safety cut-off (water level is crossed low and overheated warning), the signal that comes from master controller is received as the potential difference signal of DC voltage, and this voltage signal is through electric resistance partial pressure, and the landing ratio is R 43/ (R 41+ R 43) and be sent to microcomputer, microcomputer identification has type no abnormal and that warn, and by the sound that partly gives the alarm of reporting to the police.
On the other hand, the structure of circuit hop 3 is: with resistance R 35, R 36With capacitor C 31The oscillatory circuit OSC that forms 31The integrated circuit U that links to each other 31Be connected to microcomputer U 1Output terminal, resistance R 37; Triode Q 31Base stage receive said integrated circuit U 31Output terminal; The tank circuit T that is formed by resistance R and coil L 31Receive said triode Q 31Emitter.The circuit hop 3 hereto, and when indoor controller was selected a kind of function, from signal corresponding with selected function of microcomputer output, it was output as a parallel binary data-signal.Said output signal converts serial decimal data signal to from integrated circuit U 31Send, first transmission signals of wherein being sent is a function select signal, and the signal of second transmission is regularly to select signal; And these signals are alternately sent each other.
The marking current of sending like this passes through resistance R 37, by triode Q 31Amplify, and by electric R 38, the resistance R and the coil L that constitute the tank circuit are transferred to master controller.Resistance R among the figure 36, R 37With capacitor C 31Be integrated circuit U 31Self-sustained oscillation resistance and electric capacity.
Warning function is to constitute the integrated circuit U that its oscillatory circuit that is made of resistance and electric capacity links to each other like this 3 Receive microcomputer 1, piezoelectric element P 1Receive said integrated circuit U 3Output terminal.According to said warning function, judging the DC potential difference signal of delivering to hop when microcomputer is quantity of fuel when warning, and just has a trigger pip to be added to tune integrated circuit U 3, and send a cricket chirping signal, so piezoelectric element P 1Send chirp the cry of a cricket.
The structure of temperature survey part 8 is: resistance R 82With sensor S 81Series connection to light receives module M 81Output terminal, module M 81Reception also has resistance R from the infrared radiation signal of radio remote controller 100 83With sensor S 82Also be connected in series in this; Said resistance R 82, R 83Output terminal all receive microcomputer 1.
The signal receive section utilization of indoor controller detects ultrared sensor (it has a module) and detects the infrared signal that sends from radio remote controller 100, and amplifies the signal that is received, and is input to microcomputer by noise filter then.The signal that microcomputer 1 identification is received is also carried out a corresponding action immediately.
Two sensor S 81, S 82As temperature sensor, sensor S wherein 82Can carry out the control function that matches with temperature as the sensor of measuring indoor temperature, and sensor S 82Can be as the sensor of measuring outdoor temperature.
Sensor S 81Measure indoor temperature, it is along with biasing resistor R is flow through in temperature change 82The current potential that electric current produced and send into microcomputer.At this moment, microcomputer is compared it and judge whether with the normal temperature of setting and will start burner, simultaneously said signal is delivered to master controller, control line disconnection and short circuit sensor.
Measure the sensor S of outdoor temperature 82Place outdoorly, be used as the control function that temperature matches, it flows through resistance R along with outdoor temperature changes 83The current potential that electric current landed, and send into microcomputer 1, so that regularly select according to giving the temperature automatic setting of setting earlier.
Do not establishing the sensor S that measures outdoor temperature 82The time, will lose the control corresponding function.
Fig. 4 is the temperature of indoor controller and the detailed circuit diagram of timing display part and key input section.By switch SW 1-SW 24The importation of forming is connected to the output terminal of microcomputer 1, each triode Q 1-Q 6Base stage receive each output terminal of said importation; Display device FND 1-FND 4Receive said each triode Q 1-Q 4Collector; LED 3-9, LED 10-16Be connected to triode Q 5, Q 6Collector; Said display device FND 1-FND 4Each input end be connected to microcomputer 1.In addition, integrated circuit U 4Receive the output terminal of microcomputer 1, said integrated circuit U 4Each output terminal be connected to key input section.
In the circuit that constitutes like this, display device FND 1-FND 4With LED 13-16In parallel and send seven program segments here by microcomputer 1, thus on/off triode Q in regular turn 1-Q 6With these display device of starting.
So, display device FND 1, FND 2Indicated temperature, display device FND 3, FND 4Instruction time, and LED 3-LED 16The selected function of indication.
Keyboard input part is divided into the key input section of multiplex system formula.This system select such as set indoor temperature, that the time gives is fixed, retained chamber inside and outsidely goes out, bed is gone up functions such as sleep, hot water feed, timing selection and hand-reset.
The circuit of aforesaid indoor controller carries out work just as above-described, and carrying out other job order then is in order to detect by fixing designing program and to come work by the content that is detected.
The following describes job order according to this detection.
After the energized, determine selected function by fixing designing program earlier, balancedly control room temperature, sleep is gone out on the bed, the hot water feed, and hand-reset, timing, timing is selected, and determines the order of time increase and decrease and gradient of temperature after function is selected.
Then, confirm by microcomputer whether radio remote controller selects signal at sending function, if, just confirm the ordinal sum function select signal that this is intrinsic, and make indoor controller work, to match with said function sending this function select signal.
In these cases, give the time of determining earlier time set, progression work, and detect the alerting signal that master controller sends determines whether it belongs to normally, still belongs to safety cut-off also or the quantity of fuel warning, as is the situation of warning, then sends warning signal.
Whether temperature is at that time partly measured in temperature measuring, and shows this temperature, but also compares with the design temperature that routine is determined, master controller to handle boiler.If temperature at that time exceeds the higher limit of normal design temperature or is lower than the lower limit of normal design temperature, then conclude and answer short circuit or cut off this sensor, simultaneously display device FND 1And FND 2Shown "-", and whether shown the defect of this sensor.
Fig. 5 is the selector switch of boiler master controller and the detailed circuit diagram of low water level sensor, wherein switch SW 1Be used for selecting the function of timing function or conversion, the former refers to direct selection function during regularly selecting, and latter system comes mapping function by a button.Switch SW 2Can be to indoor controller or directly to master controller selection timing, switch SW 3Be used for selecting to use quantity of fuel to show or not using quantity of fuel to show such two kinds of situations.
The structure that low-water level is measured part is: by resistance R 1-R 4, capacitor C 1And comparison amplifier OP AMP 1The comparison amplifier section COM that forms 1Be connected to constant pressure source end V DDAnd between the ground; Diode D 1Receive the output terminal of said comparison amplifier; Capacitor C 2And resistance R 6Receive said diode D 1Output terminal; By resistance R 7-R 11With comparison amplifier OP AMP 2The comparison amplifier section COM that is formed 2Receive said resistance R 6Output terminal; Said comparison amplifier OP AMP 2Output terminal be connected to microcomputer U 1Comparison amplifier OP AMP 1By means of an oscillatory circuit, reference voltage and resistance R 3Delayed action with a square wave oscillation.Said oscillatory circuit and utilize capacitor C 1Pass through resistance R 4Discharge and recharge; Said reference voltage is then by resistance R 1, R 2Gained, and amplifier OP AMP 1Be grounded on the boiler.At this moment, said square wave is input to low water level sensor by the resistance of water, through diode D 1With capacitor C 2Comparison amplifier OP AMP is delivered in detection afterwards 2Anode (+).
At this moment, because comparison amplifier OP AM 2The reference voltage V of negative terminal (-) DDR 7/ (R 7+ R 8) be lower than the voltage of its anode (+), so comparison amplifier OP AMP 2Export a high level signal.
When resistance lower when water level and water disappears, comparison amplifier OP AMP 2When the voltage of anode (+) becomes lower than the reference voltage of its negative terminal (-), said comparison amplifier OP AMP 2Output become a low level signal.Correspondingly, microcomputer is judged to be an alarm condition.
Fig. 6 is the circuit diagram that the flame of boiler master controller detected and crossed thermal cut-out, by flame measure the firing chamber normally whether.Wherein between two terminals of light-sensitive cell CDS, be connected to capacitor C 1, capacitor C 1Receive constant pressure source V DDEnd, said light-sensitive cell is in order to flame detection; Diode D 1Reversal connection is in said capacitor C 1The input side.Two phase inverter INT 1, INT 2Be serially connected with the output terminal of said diode, be connected to microcomputer U thereupon 1
On the other hand, resistance R 1With diode D 2Be parallel to constant pressure source V together DDEnd and diode D 1Output terminal between.In foregoing circuit, when coming automatic constant voltage source line end V DDConstant voltage pass through resistance R 1With diode D 1When being added to light-sensitive cell CDS, if it does not receive light, then the resistance of this light-sensitive cell CDS is several megohms, so phase inverter INT 1Be input as a high level signal.
But when photoelectric cell CDS received the illumination of flame, its resistance value descended suddenly, said phase inverter INT 1Input become low level signal, thereupon through said phase inverter INT 2This signal is changed back to high level and delivers to microcomputer.So microcomputer is carried out the safety cut-off function.
Fig. 7 is the detailed circuit diagram of circuit hop.Diode D wherein 1Reversal connection is in constant pressure source terminal V DD, four phase inverter INT 1, INT 2, INT 3And INT 4Be concatenated into said diode D 1Output terminal; Code translator U 5Receive said phase inverter INT 4Output terminal.
In addition, by capacitor C 1-C 4With line chart L 1The tank circuit T that forms 1Be connected to MRS(+) end, receive triode Q simultaneously 1Base stage; Resistance R 5Receive said triode Q 1Collector; Each triode Q 2, Q 3Base stage receive said resistance R respectively 5Output terminal, diode D 2Reversal connection is to said triode Q 2Collector, receive microcomputer U then 1, while diode D 4Reversal connection is to said triode Q 3Collector, and said reversal connection diode D 4Output terminal receive microcomputer U 1
In this case, as long as by integrated circuit U 4The power supply of indoor controller is added up, when safety cut-off, low-water level and the thermoae alert signal of mistake are sent into microcomputer, triode Q 3With regard to conducting, power source voltage is lowered, and adds afterwards.
Voltage=1.25 * 50 μ A(R 5+ R 6)
Under the low situation of quantity of fuel, the voltage of power supply further is lower than the voltage of safety cut-off state, and it is added up the judgement that just makes indoor controller make lower alarm of quantity of fuel and safety cut-off.
The signal of being received is delivered to MRS(-) end, by capacitor C 3And by capacitor C 1, C 4With coil L 1The tank circuit T that forms 1, through phase inverter INT 1And INT 2Amplify; And phase inverter INT 3And INT 4Be the Shi Mite circuit, again to sending into code translator U behind the waveform shaping signal of being received 5
So, by code translator U 5The signal of identification input, and with selected signal such as the hot water feed or go out, is input to microcomputer U 1
Fig. 8 is the detailed circuit diagram that temperature/quantity of fuel is measured part and key input part.Capacitor C wherein 3, C 4Parallel connection is in thermally sensitive thermal resistor TH 1Two ends are connected to AC-dc converter U simultaneously 6Input end.Capacitor C 6, C 7Parallel connection is in quantity of fuel sensor S 1Two ends between, resistance R 9Receive quantity of fuel sensor S 1The input side, its other end is connected to AC-dc converter U 6Input end.
Simultaneously, by resistance R 2-R 4, R 6With comparison amplifier OP AMP 1The comparison amplifier section COM that forms 1Receive and thermal resistor TH 1The resistance R that links to each other 5Input terminal, said thermal resistor are the anti-overheated function temperature sensors of safety device.Triode Q 1With said comparison amplifier OP AMP 1Output terminal links to each other; Be used to drive the triode Q of flabellum 2Receive said triode (Q 1) output terminal.
On the other hand, a plurality of switch SW 1-SW 8The button battle array of forming to each terminal receive microcomputer U 1Input end; AC-dc converter U 6Output terminal also receive microcomputer U 1Input end.
In the above in the circuit that is constituted, by thermal resistor TH 1Detected temperature variation changes resistance R 7Electric current, corresponding with this temperature variation, and be input to the integrated circuit U of two passage AC-dc converters 6
Subsequently, by being transformed into binary digital signal by said integrated circuit U 6Output is also sent into microcomputer U 1
Capacitor C wherein 3, C 4And C 5Be used for abating the noise and reducing voltage fluctuation.
About quantity of fuel, because quantity of fuel sensor S 1Resistance value change with measured corresponding quantity of fuel, so when resistance R 8Dividing potential drop send into the integrated circuit U of AC-dc converter 6The time, its output is admitted to microcomputer U 1This moment, its value is shown by the display part of Fig. 9.
Key input part has a plurality of switch SW 1-SW 8, becoming an array system, they are used for using when regularly selecting.
The anti-overheated function of safety device shows by the detection of temperature sensor, not excessive it when surpassing the highest design temperature (value), be added to comparison amplifier OP AMP 1The voltage of end of oppisite phase (-) becomes and is lower than the reference voltage V that is added to in-phase end (+) DDR 3/ (R 2+ R 3), be output as a high level signal.
At this moment, triode Q 1Conducting, inhibition drives the triode Q of flabellum 2Conducting, inhibition drives the triode Q of flabellum 2(referring to Figure 10) also prevents that relay from starting.
When microcomputer was in normal condition, this microcomputer was sent a pulse.The said pulse of sending is by capacitor C 1And by diode D 2Triode Q is sent in detection 2Base stage, triode Q thereupon 2Conducting is so output becomes a low level signal.
But, when the microcomputer fault and during no pulse, triode Q 2A high level signal is sent in paraphase, so through comparison amplifier OP AMP 1Turn-on transistor Q 1
So, the triode Q of the driving flabellum of Figure 10 2Be suppressed, suppress the startup of relay simultaneously, thereby suppress peripheral operation and cut-out safely.
Fig. 9 is the detailed circuit of temperature and fuel display part and function display part.This is one and shows low-water level, overheated, safety cut-off, the circuit of regularly selecting and being sent into the temperature of microcomputer and quantity of fuel warning function and so on by each sensor.
The structure of temperature and quantity of fuel display part is same as conventional structure, by resistance R 1-R 9Fuel display device FND 1-FND 3Temperature indicating device FND 4And FND 5Triode Q 1-Q 6And LED 1-LED 9Form.But, this function display part has structure like this, i.e. diode D 1With LED 10Receive microcomputer U 1The low-water level output terminal; Triode Q 7Receive said diode D 1Output terminal; Be used for the relay R L of on/off alternating current input power supplying line AC 1With diode D 7Parallel connection is to said triode Q 7Collector.Be in order to show overheated and safety cut-off demonstration and regularly selection demonstration similarly.
So, use dynamical drive system, can make display device FND 1-FND 3Show the quantity of fuel level more than 180 liters, display device FND 4And FND 5Show 0-99 ℃ temperature.
And, by using this dynamical drive system, turn-on transistor Q in regular turn 1, Q 2Q 6, and the electric power that consumes is minimum and simple in structure.
In addition, by triode Q 7-Q 10, diode D 1-D 10, relay R L 1-RL 4Form and receive microcomputer U 1Circuit be to be used to control the circuit of linking outside miscellaneous equipment.Wherein as triode Q 7By an output conducting of microcomputer, relay R L 1Be activated when handling an ebullator, alternating circuit voltage is added to this ebullator by the contact of this relay, and this ebullator is normally started; Relay R L 2-RL 4Control fan motor, ignition coil and oil pump.
Figure 10 is that power unit reaches the detailed circuit diagram that microcomputer resets under low voltage condition.Wherein transformer T receives the input circuit end of AC power.Power unit is by diode D 1-D 4, filter capacitor C 1And constant voltage is regulated integrated circuit U 8Form, it is received on the secondary coil of said transformer; Diode Q 1Base stage receive the integrated circuit U that regulates constant voltage 8Output terminal; Diode D 9Receive said triode Q 1Collector.Triode Q 2Base stage receive said diode D 9Output terminal; Capacitor C 5And C 6Receive said triode Q 2Emitter and collector between, and be connected to microcomputer U 1Input end.In addition, by diode D 5-D 8, capacitor C 2And constant voltage is regulated integrated circuit U 9Another power unit of forming is received said transformer T 1On the secondary coil, and receive triode Q 2Collector on.
In the case, when the primary coil of transformer adds alternating current, can get the voltage of a step-down secondarily on the level coil.
Voltage after the said step-down is by diode D 1-D 4Rectification and by capacitor C 1Filtering is afterwards through constant voltage regulating circuit U 8Be sent to microcomputer and each circuit.
Voltage is low in order to prevent energized causes microcomputer misoperation, the current potential of transistor base to be lower than its emitter current potential, makes triode Q 1Conducting.
So, said triode Q 2Collector add a current potential identical with emitter; Because triode Q 2Base potential be higher than its emitter current potential, so triode Q 2Disconnect, simultaneously said triode Q 5Collector potential becomes a low level state through resistance.
, when input voltage reduces, triode Q 1The emitter current potential become with base potential and equate triode Q 1Disconnect, its collector potential is through resistance R 6Become for low level state.
Correspondingly, triode Q 2Base potential become lower, triode Q than emitter current potential 2Become conducting state, its collector potential becomes and equates with the emitter current potential simultaneously, thereby microcomputer resets, so prevented microcomputer U 1Misoperation.
In addition, transformer T 1The voltage of secondary reduction is by diode D 5-D 8Rectification, the voltage after the rectification is at capacitor C 2Place's filtering is regulated integrated circuit U through constant voltage 9Make it to become a constant voltage, said afterwards constant voltage is added to each relay and each controller.
So the circuit of master controller is worked as above-described, its job order according to the program of microcomputer as below carry out in regular turn.
Here it is, connect circuit, two seconds of alarm sounding, the initial timing of automatic setting, select quantity of fuel to have function in view of the above, regularly be chosen to be also or at master controller to finish at indoor controller and finish, regularly options button is optional as using multikey or using single key, the temperature of after this reading boiler.This moment, according to the temperature of setting, utilize selection regularly to start or stop burner and ebullator.
When the temperature short time is higher or lower than higher limit that microcomputer sets or lower limit, just predicates and cut off or this sensor of short circuit display device FND 4And FND 5Show "-" that burner is out of service.
From the signal of indoor controller be proved actually that it is in the retained chamber, sleep on the bed, go out, the hot water feed, also or belong to opportunity in regularly selecting, and confirm whether will start burner.If receive the signal that starts burner, just start flabellum ignition coil work afterwards and give a fixed time for.When ignition coil work is given the fixed time for one section,, after this confirm whether realize igniting by light-sensitive cell CDS more simultaneously to its injection and igniting.If finished igniting, it is remained in operation; Safety cut-off is then carried out in the igniting if be unrealized, and stops whole operations.
Unaccounted reference number code sign U 7It is the warning integrated circuit.

Claims (10)

1, a kind of multifunctional pot furnace controller that uses microcomputer is characterized in that comprising: radio remote controller (100), indoor controller (200), boiler master controller (300);
Radio remote controller (100) is selected signal and pulpit internal controller (200) by the radio signal sending function;
Indoor controller (200) is selected signal from said radio remote controller (100) selection function, perhaps select such as retained chamber inside and outsidely go out, function such as sleep on the bed, hot water feed, timing, choose opportunities and hand-reset, show the progression time of room temperature, design temperature, time set and selected function simultaneously;
Be used to control the boiler master controller (300) of boiler all functions.
2, the multifunctional pot furnace controller of use microcomputer according to claim 1 is characterized in that: indoor controller (200) links together with the circuit of boiler master controller (300) by circuit hop (3).
3, controller according to claim 1 is characterized in that: the structure of radio remote controller is: microcomputer U 1With push-button array K 1-K 32, by crystal oscillator XC and capacitor C 1, C 2Oscillatory circuit and the LED formed 1Link to each other;
Triode Q 1Base stage and said microcomputer U 1Output terminal OUT link to each other;
Another LED 2Link to each other with the collector of said triode; And
Resistance R 2Be connected to said triode Q 1Emitter, make this telepilot can send the function signal and the control signal of boiler by radio signal.
4, according to the described boiler controller of claim 1-2, it is characterized in that: indoor controller can be in the function of indoor control boiler, and it comprises:
Power unit (4), its end is received input end INPUT by diode, and its output terminal is connected to the mains terminals of microcomputer 1;
Circuit hop (3) is wherein with resistance R 35, R 36And capacitor C 31The integrated circuit U that links to each other 31Receive said microcomputer 1 output terminal, triode Q31 base stage is received said integrated circuit U 31Output terminal, tank circuit T 31Be connected to the emitter of said triode;
Temperature survey part (8), wherein resistance R 82With sensor S 81Series connection, resistance R simultaneously 83With sensor S 82Series connection, the light that they all receive receiving unit (2) receives module M 81Output terminal, module M 81Reception is from the function select signal or the control signal of radio remote controller (100), said resistance R 82And R 83Each one is connected to microcomputer (1);
Temperature and timing display part (5), its displays temperature and according to a function that signal is selected of said microcomputer (1); Also have
Key input section SW 1-SW 24Receive said microcomputer (1) respectively, so that can select various functions.
5, according to the described boiler controller of claim 1-2, it is characterized in that: the structure of boiler master controller and circuit hop (3) are coupled to each other through the circuit hop (3) of two circuits and indoor controller (200), and transmitting function is selected signal and control signal; Also has microcomputer (1), power unit (9), temperature/quantity of fuel display part (10), temperature control part branch (11), regularly select part (12), safety cut-off part (13), sensor device part (14) and be contained in boiler control section on the boiler is so that can realize direct control and function selecting to boiler.
6, a kind of multi-function boiler control method of using microcomputer, it is characterized in that: be located at master controller on the boiler by direct control, perhaps be used to function selecting control signal from indoor controller, realize the selection and the control of the various functions of boiler, said indoor controller is selected signal from radio remote controller (100) selection function; And realize such as retained chamber inside and outsidely go out, bed goes up the function of sleep, hot water feed, timing, timing selection and hand-reset; Show the progression time of room temperature, design temperature, time set and selected function simultaneously.
7, the multi-function boiler control method of use microcomputer according to claim 6 is characterized in that: two circuits of the circuit hop (3) by connecting boiler master controller (300) and the boiler circuit hop (3) of indoor controller (200) transmit the operation that various function select signals and control signal are controlled boiler mutually.
8, method according to claim 6 is characterized in that: the wireless remote control method of boiler is to utilize by the push-button array K that constitutes radio remote controller (100) 1-K 32Selected function digit signal enabling LED 2And to indoor controller (200) transmission infrared signal, so that selection function.
9, according to the described method of claim 6-7, it is characterized in that: the indoor control method of boiler is to utilize the operating control procedure in the microcomputer (1) be contained in indoor controller (200) to examine and determine selected function in regular turn, promptly retained chamber in, sleep in the cooperation control of temperature, bed, go out, hot water feed, hand-reset, timing and regularly selection;
According to the function selecting in the said moment, determine increase and decrease timing and lifting design temperature with intrinsic order;
Determine whether to start boiler master controller, and start said boiler.
10, method according to claim 6, it is characterized in that, the main control method of boiler is, according to the control program of also operating from the control signal of said indoor controller (200) in the microcomputer 1 that is contained in master controller (300), handle boiler and finish selection function and the timing selection function that fuel has or not in turn.
CN 91111660 1991-12-20 1991-12-20 Use the multifunctional pot furnace controller and the control method thereof of microcomputer Pending CN1073506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91111660 CN1073506A (en) 1991-12-20 1991-12-20 Use the multifunctional pot furnace controller and the control method thereof of microcomputer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91111660 CN1073506A (en) 1991-12-20 1991-12-20 Use the multifunctional pot furnace controller and the control method thereof of microcomputer

Publications (1)

Publication Number Publication Date
CN1073506A true CN1073506A (en) 1993-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91111660 Pending CN1073506A (en) 1991-12-20 1991-12-20 Use the multifunctional pot furnace controller and the control method thereof of microcomputer

Country Status (1)

Country Link
CN (1) CN1073506A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100469034C (en) * 2007-06-08 2009-03-11 武汉钢铁(集团)公司 A control network for high temperature ring type anneal furnace
CN103512085A (en) * 2012-06-14 2014-01-15 文珍锡 Method of controlling boiler
CN106352349A (en) * 2015-07-16 2017-01-25 梁福周 High-temperature thermal decomposition incinerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100469034C (en) * 2007-06-08 2009-03-11 武汉钢铁(集团)公司 A control network for high temperature ring type anneal furnace
CN103512085A (en) * 2012-06-14 2014-01-15 文珍锡 Method of controlling boiler
CN106352349A (en) * 2015-07-16 2017-01-25 梁福周 High-temperature thermal decomposition incinerator
CN106352349B (en) * 2015-07-16 2019-03-15 株式会社新风 High temperature pyrolysis burning facility

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