CN107763658A - The controller of gas burner system - Google Patents
The controller of gas burner system Download PDFInfo
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- CN107763658A CN107763658A CN201711143474.1A CN201711143474A CN107763658A CN 107763658 A CN107763658 A CN 107763658A CN 201711143474 A CN201711143474 A CN 201711143474A CN 107763658 A CN107763658 A CN 107763658A
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- control chip
- state detection
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- 238000001514 detection method Methods 0.000 claims abstract description 76
- 230000002093 peripheral effect Effects 0.000 claims abstract description 25
- 230000009977 dual effect Effects 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 239000000567 combustion gas Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 2,8-bis(diphenylphosphoryl)dibenzothiophene Chemical compound C=1C=CC=CC=1P(C=1C=C2C3=CC(=CC=C3SC2=CC=1)P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Abstract
The present invention specifically discloses a kind of controller of gas burner system, including power circuit, control chip and the flame detection circuit being connected respectively with control chip and power circuit, function-driven circuit, peripheral state detection circuit and indicator light circuit, the power circuit is control chip, flame detection circuit, function-driven circuit, peripheral state detection circuit and indicator light circuit provide dc source VCC and dc source VDD.The present invention can differentiate the presence or absence of flame using the diode characteristic and the output end level height by detecting dual operational amplifier of flame, have preferable fire defector reliability；Low and high level that port receives accordingly is detected by control chip to judge the working condition of each peripheral components, interference is few, and detection is reliable；Automatic ignition can be realized, while there is fire defector and peripheral components working condition detection function, and automatic closing gas source and alarm can be started when abnormal conditions occur, cost is low, safe.
Description
Technical field
The present invention relates to technical field of combustion equipment, more particularly to a kind of controller of gas burner system.
Background technology
Traditional gas burner for kitchen use is largely by Manual gas valve, hand-held point firearm, blower fan, burner and correlation
Tracheae composition is connected, fan power switch is first closed during start, blower fan is rotated blowing, then opens Manual gas valve, allows combustion gas
Spray, finally lighted stove with hand-held point firearm.If, it is necessary to manually turn down air valve when not having to fiery, will now have a little
Fuel gas buring, to keep in a fire, otherwise with it is fiery when repeat above ignition process, the letter of this kind of gas burner control method again
It is single, backward, inconvenient for operation, dangerous, and waste combustion gas.
The content of the invention
To overcome technological deficiency existing for prior art, the present invention provides a kind of controller of gas burner system, cost
It is low, automatic ignition can be realized, while there is fire defector and peripheral components working condition detection function, and can be in abnormal conditions
Automatic closing gas source and start alarm during generation.
The technical solution that the present invention uses is：
The controller of gas burner system, including power circuit, control chip and be connected respectively with control chip and power circuit
Flame detection circuit, function-driven circuit, peripheral state detection circuit and the indicator light circuit connect, the power circuit are control
Chip, flame detection circuit, function-driven circuit, peripheral state detection circuit and indicator light circuit provide dc source VCC and
Dc source VDD.
Preferably, the control chip uses pic chip, and the indicator light circuit is to be connected to two signals of pic chip
Circuit of LED in output end.
Preferably, the dc source VCC and dc source VDD are defeated through being depressured, after rectification and voltage stabilizing by 220V alternating currents
Go out to obtain.
Preferably, the flame detection circuit is connected between the signal input part of control chip and flame ion probe.
Preferably, the peripheral state detection circuit is connected to the input of the signal input part and peripheral components of control chip
Between end, it includes being used for detecting the power state detection circuit whether power supply turn on, for whether detecting air door executer FM
The throttle condition of work detects circuit, detects circuit, for examining for detecting the transformer state whether ignition transformer Z works
Survey the first magnetic valve state detection circuit that whether the first magnetic valve BV1 work, whether work for detecting the second electromagnetism BV2
Second solenoid valve state detection circuit and the fan condition whether to be worked for detection blower fan M detect circuit.
Preferably, the function-driven be electrically connected to control chip signal output part and for blower fan, the first magnetic valve,
Second solenoid valve, ignition transformer, alarm and air door executer provide live wire incoming end.
Beneficial effects of the present invention：
1st, 220V of the present invention alternating voltage is connected to flame ion by wire after electric capacity C13, resistance R53 and resistance R123 and visited
On pin, after combustion gas is lighted, using the approximate diode unilateal conduction characteristic of flame, by the rectification to alternating current, in electric capacity
Just upper negative charging voltage under one is formed on C901, the negative voltage of electric capacity C901 upper ends is added to double computings by resistance R133 and put
Big device LM358M reverse input pin B（6th pin）On so that reverse input pin B voltage is less than input pin B in the same direction（5th pin）
Voltage so that dual operational amplifier LM358M export high level, this high level signal give again pic chip flame letter
Number detection port on and be in a normal bright light condition by indicator light circuit.When combustion gas extinguishing or flame ion probe are to casing short circuit,
LM358M reverse input pin B is due to resistance R73 effect, and its voltage is higher than input pin B in the same direction voltage, so that double fortune
Amplifier LM358M output low levels are calculated, this low level signal is given on the flare up fire detection port of pic chip and by referring to again
Indication lamp circuit switches to another often bright light condition.So, pic chip is by detecting dual operational amplifier LM358M output end level
Height can differentiate the presence or absence of flame, have preferable fire defector reliability.
2nd, the present invention is connected by photo-coupler through a resistance with the input of each peripheral components, when each peripheral components are led
After logical work, photo-coupler input side produces sufficiently large operating current, then can trigger the photophore light-emission operation of photo-coupler,
Then so that light-receiving device exports low level, and then photo-coupler exports high level when the idle words of each peripheral components, so logical
Cross control chip and accordingly detect low and high level that port receives to judge the working condition of each peripheral components, or ON operation,
Or open circuit does not work, is represented by indicator light circuit with different flashing lamp conditions during ON operation, and the input side company of photo-coupler
The input of peripheral components is connected to, interference is few, and detection is reliable.
3rd, the monitoring signals such as combination temperature switch, blast switch and pressure switch of the present invention, by pic chip to Darlington
Pipe array output drive signal, then the corresponding actuating of relay is driven by Darlington transistor array, so as to control gas burner system
Blower fan, the first magnetic valve, second solenoid valve, ignition transformer, alarm and air door executer work so that burning can be normal
Carry out, and the flame detection circuit on by combustor detects the igniting within the igniting stipulated time and put out not successfully or in burning
When fiery, alarm powers alarm while being automatically stopped combustion gas feeding.Energy when if ignition temperature or pressure reach higher limit
Enough it is automatically stopped air inlet and automatic ignition program is reentered after less than lower limit.
4th, the controller secure performance of gas burner system of the present invention is high, can reduce combustion gas waste, and cost is low.
Brief description of the drawings
Fig. 1 is the electric hookup of controller of the present invention and peripheral components.
Fig. 2 is power circuit diagram of the present invention.
Fig. 3 is control chip pinouts of the present invention and indicator light circuit figure.
Fig. 4 is the first magnetic valve state detection circuit figure of the invention.
Fig. 5 is flame detection circuit figure of the present invention.
Fig. 6 is the relay wiring figure of function-driven circuit of the present invention.
Fig. 7 is the electrical connection diagram of control chip of the present invention and relay.
Fig. 8 is the controller principle block diagram of gas burner system of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, the present embodiment provides a kind of controller of gas burner system, including control chip, power circuit, periphery
State detection circuit, flame detection circuit and function-driven circuit.The peripheral components being connected with the controller have blower fan M, point
Fiery transformer Z, the first magnetic valve BV1, second solenoid valve BV2, air door executer FM, alarm AL, temperature switch R, blast are opened
Close LP, pressure switch W, reset switch EK2 and miscellaneous part.Wherein, the reset switch EK2 is connected to zero line and control chip
Between, for the ignition operation of restarting after Abnormal combustion occur or stopping working, the blower fan M is connected to zero line and function-driven electricity
Between the live wire incoming end on road, the ignition transformer Z is connected between zero line and the live wire incoming end of function-driven circuit, institute
State the first magnetic valve BV1 to be connected between zero line and the live wire incoming end of function-driven circuit, the second solenoid valve BV2 connections
Between zero line and the live wire incoming end of function-driven circuit, the air door executer FM is connected to zero line and function-driven circuit
Live wire incoming end between, the alarm AL is connected between zero line and the live wire incoming end of function-driven circuit, the wind
Compress switch LP, pressure switch W and temperature switch R is connected between live wire and the signal input part of control chip.
In the present embodiment, as shown in Fig. 2 the effect of the power circuit is for control chip and peripheral state-detection
Circuit, flame detection circuit and function-driven circuit provide dc source VCC or dc source VDD.Preferably, the present embodiment
Power circuit is the direct current for the dc source VCC and+24V for obtaining+5V after decompression, rectification and voltage stabilizing processing by 220V alternating currents
Power vd D.
Specifically：The power circuit includes rectifier bridge, and the 3rd end connection zero line of the rectifier bridge, the 1st end is through drop
Volt circuit connects live wire, and the 2nd end is sequentially connected in series resistance R51, resistance R61 and three-terminal voltage-stabilizing pipe 7805 input, three end
The earth terminal of voltage-stabiliser tube 7805 is connected with the 4th end of rectifier bridge, and is connected with electric capacity C1 between the 4th end and the 2nd end, resistance
Electric capacity C2 and electric capacity C3, resistance R51 and resistance R61 common port are connected between R61 both ends and the 4th end of rectifier bridge
It is connected with voltage-regulator diode V181 negative pole, the 4th end of voltage-regulator diode V181 positive pole connection rectifier bridge, the three-terminal voltage-stabilizing
Be connected with electric capacity C4 between the output end of pipe 7805 and the 4th end of rectifier bridge, so adjust each resistance and capacitance can realize by
The output end of the three-terminal voltage-stabilizing pipe 7805 exports the dc source VCC（+5V）, it is described straight by electric capacity C4 other end output
Flow power vd D（+24V）.Wherein, the reduction voltage circuit includes fuse, resistance R11 and the electric capacity being in series successively with live wire
The C21 and resistance R21 and resistance R31 for being connected on electric capacity C21 both ends, the common port of the resistance R11 and fuse are through variable
Resistance R41 is connected with zero line.
In the present embodiment, as shown in figure 3, the control chip uses pic chip, concrete model can be PIC16F886.
Be connected with crystal oscillating circuit between 9th pin of the pic chip and the 10th pin, the 1st pin it is straight through resistance R86 connections all the way
Power supply VCC is flowed, another way is grounded through electric capacity C16, and the 25th pin of the pic chip and the 26th pin are respectively connected with indicator lamp electricity
Road, the indicator light circuit are used for the corresponding state for showing the peripheral state detection circuit and flame detection circuit.
Specially：25th pin of the pic chip connects the first triode V15 base stage, the first triode through resistance
V15 emitter stage connection dc source VCC, the first triode V15 colelctor electrode are through resistance R15 connection dichromatic LEDs
V35 the first positive pole, this is the first indicator light circuit；26th pin of the pic chip connects the two or three pole through another resistance
Pipe V25 base stage, the second triode V25 emitter stage connection dc source VCC, the second triode V25 colelctor electrode is through resistance
R25 connection dichromatic LEDs V35 the second positive pole, this is the second indicator light circuit.The indicator light circuit includes above-mentioned
First indicator light circuit and the second indicator light circuit.The dichromatic LED V35 is three pin bi-colour lights, the dual color light emitting
Diode V35 common cathode ground connection, dichromatic LED V35 takes on a red color after only the first indicator light circuit turns on, when only the
Dichromatic LED V35 is in green after the conducting of two indicator light circuits, and works as the first indicator light circuit and the second indicator light circuit
It is in yellow to be both turned on then dichromatic LED V35.The present embodiment pic chip according to the reception condition of each signal input part according to
Sequential sends drive signal to indicator light circuit, so that dichromatic LED V35 makes finger with a variety of lamp conditions
Show, or Chang Liang, or flicker etc..
In the present embodiment, the peripheral state detection circuit is connected with the signal input part of control chip, and it includes
For detecting the power state detection circuit whether power supply turns on, the throttle condition whether to be worked for detecting air door executer FM
Detect circuit, detect circuit, for detecting the first magnetic valve for detecting the transformer state whether ignition transformer Z works
The first magnetic valve state detection circuit that whether BV1 works, the second solenoid valve shape whether to be worked for detecting the second electromagnetism BV2
The fan condition whether state detects circuit and worked for detection blower fan M detects circuit.
Specifically：The power state detection circuit, throttle condition detection circuit, transformer state detection circuit, first
Magnetic valve state detection circuit, second solenoid valve state detection circuit and fan condition detection circuit use same circuit knot
Structure.Such as：As shown in figure 4, the first magnetic valve state detection circuit includes photo-coupler, the input of the photo-coupler
It is connected through resistance R332 with the first magnetic valve BV1 input X12, the output end of the photo-coupler and the phase of control chip
Port should be detected to be connected and through resistance R182 connection dc source VCC, and the photophore negative pole and zero line of the photo-coupler
It is connected, light-receiving device one end ground connection of the photo-coupler.The photo-coupler uses the miniature optocouplers of P180, and its photophore is hair
Optical diode, light-receiving device are phototriode, the grounded emitter of the phototriode, the base stage of the phototriode with
Light emitting diode couples.When the first magnetic valve BV1 works, X12 obtains 220V voltage, and triggering photo-coupler P180 actions are simultaneously
A low level is exported, is then detected by the corresponding detection port of pic chip；And work as the first idle words of magnetic valve BV1,
Photo-coupler P180 will not be then triggered, what pic chip detected is a high level.
Similarly, when second solenoid valve BV2 works, the corresponding detection port of pic chip can detect low level, and when the
What pic chip detected when two magnetic valve BV2 do not work is a high level；When ignition transformer Z works, pic chip
Corresponding detection port can detect low level, and what when ignition transformer Z does not work, pic chip detected is one high electricity
It is flat；When air door executer FM works, the corresponding detection port of pic chip can detect low level, and work as air door executer FM
What pic chip detected when not working is a high level；When blower fan M works, the corresponding detection port of pic chip can be detected
To low level, and what when blower fan M does not work, pic chip detected is a high level；When power supply X9 is turned on, pic chip
Corresponding detection port can detect low level, and what when power supply X9 is not turned on, pic chip detected is a high level.Such as
This, the low and high level of port is accordingly detected by pic chip to detect and judges the working conditions of each peripheral components.
In the present embodiment, as shown in figure 5, the flame detection circuit is electrically connected to control chip and flame ion spy
Between pin FE, the flame detection circuit includes electric capacity C13, electric capacity C901, electric capacity C902, resistance R153, resistance R123, resistance
R143, resistance R133, resistance R903, resistance R73, resistance R103, commutation diode V23 and dual operational amplifier.Double fortune
Calculate amplifier and use LM358M, the grounding leg ground connection of the dual operational amplifier, supply pin connection dc source VCC, output pin B
The flare up fire detection port of control chip is connected, electricity is connected between the supply pin and output pin B of the dual operational amplifier
R103 is hindered, the reverse input pin B of the dual operational amplifier is through resistance R73 connection dc source VCC, the dual operational amplifier
Input pin B in the same direction ground connection and electrically connect the electric capacity C902 between the reversely input pin B at it.
One end of the resistance R153 is connected with flame ion probe FE input X10, and the other end passes sequentially through electricity
Hinder the reverse input pin B of R123, resistance R143 and resistance R133 electrical connection dual operational amplifiers.The resistance R123 and resistance
R143 common port is through electric capacity C13 connection live wires.The common port of the resistance R143 and resistance R133 connect through electric capacity C901 all the way
Ground, then rectified diode V23 and resistance R903 ground connection, and the positive pole electric connection resistance of the commutation diode V23 all the way
R143 and resistance R133 common port.
In the present embodiment, as shown in fig. 6-7, the function-driven is electrically connected to the signal output part of control chip,
It includes the first single-pole double-throw relay K14, the second single-pole double-throw relay K34, double-pole single-throw (D.P.S.T.) relay K24, DPDT
Relay K44 and Darlington transistor array U3.Wherein, the first single-pole double-throw relay K14 and the second single-pole double throw relay
Device K34 model is RT314024, double-pole single-throw (D.P.S.T.) relay K24 model F4AK024, dpdt relay K44's
Model RT424024, the Darlington transistor array U3 use ULN2803AG Darlington transistor arrays U3.
The Darlington transistor array U3 includes eight pairs of NPN Darlington transistors, the emitter stages of 8 pairs of Darlington transistors link together for
Emitter stage holding altogether（That is the 9th pin）, two electric capacity C13, C14, institute are connected in parallel to while emitter stage holding altogether ground connection
State two electric capacity C13, C14 another common port connection dc source VDD.The colelctor electrode of 8 pairs of Darlington transistors passes through one respectively
Fly-wheel diode is connected to high-end common port（That is the 10th pin）, the high-end common port external direct current power supply VDD.
One base resistance of base series of each Darlington transistor and as Darlington transistor array U3 signal input part（I.e.
1-8 pin）, the signal output part of the colelctor electrode of each Darlington transistor as Darlington transistor array U3（That is 11-18 pin）, it is described to reach woods
Pipe array U3 signal input part is connected respectively to be connected with the corresponding signal output end of control chip after a resistance, described
Darlington transistor array U3 signal output part connects the coil of corresponding relay.Such as：
First single-pole double-throw relay K14 coil is connected to the pin of Darlington transistor array U3 the 18th, control core corresponding thereto
Piece signal output part is connected to the pin of Darlington transistor array U3 the 1st through resistance R43；Second single-pole double-throw relay K34 coil connects
The pin of Darlington transistor array U3 the 16th are connected on, control chip signal output part corresponding thereto is connected to Darlington through resistance R45
The pin of pipe array U3 the 3rd；Double-pole single-throw (D.P.S.T.) relay K24 coil is connected to the pin of Darlington transistor array U3 the 17th, corresponding thereto
Control chip signal output part is connected to the pin of Darlington transistor array U3 the 2nd through resistance R44；Dpdt relay K44 coil
The pin of Darlington transistor array U3 the 15th are connected to, control chip signal output part corresponding thereto is connected to Da Lin through resistance R47
Pause the pin of pipe array U3 the 4th.
In the present embodiment, the common connection live wire of the first single-pole double-throw relay K14, normally opened contact connection
Blower fan M.Common connection the first magnetic valve BV1, normally opened contact connecting fan M of the second single-pole double-throw relay K34.
The first switch K2-1 of double-pole single-throw (D.P.S.T.) relay K24 movable contact connecting fan M, first switch K2-1's is normal
Open contact portion air door executer FM, the second switch K2-2 of the double-pole single-throw (D.P.S.T.) relay K24 movable contact connection described the
One single-pole double-throw relay K14 normally-closed contact, second switch K2-2 normally opened contact connection alarm AL.
The first switch K4-1 of dpdt relay K44 common connects the second single-pole double throw relay
Device K34 normally-closed contact, first switch K4-1 normally opened contact connection second solenoid valve BV2, first switch K4-1 normally closed touching
Point sky connects, and the second switch K4-2 of dpdt relay K44 common connects the first magnetic valve BV1, and second opens
Close K4-2 normally opened contact connecting fan M, second switch K4-2 normally-closed contact connection ignition transformer Z.
The course of work of the present embodiment is：Carry out before ignition in purging operation, flame detection circuit output low level and
It is in a normal bright light condition to make indicator light circuit, and the first single-pole double-throw relay K14 obtains electric so that its normally opened contact closure, then causes
Blower fan M, which is powered, to be operated, and fan condition is detected circuit output low level and represented by indicator light circuit with the first flashing lamp condition；Purging
After time reaches, the first single-pole double-throw relay K14 remains powered on state, and double-pole single-throw (D.P.S.T.) relay K24, which is obtained, electric makes it first open
Pass normally opened contact closure, second switch normally opened contact close merga pass throttle condition detection circuit output low level and by indicating
Circuit for lamp is represented with the 5th flashing lamp condition, and the second single-pole double-throw relay K13 also begins to electric so that its normally opened contact closes
Close, then turn on the first magnetic valve BV1 and ignition transformer Z, realize in combustion chamber while there is combustion gas and air, pass through a little
Fiery transformer Z realizes igniting, the transformer state detection circuit output low level in ignition process and by indicator light circuit with the
Two flashing lamp conditions represent, the first magnetic valve state detection circuit output low level and by indicator light circuit with the 3rd flashing lamp condition table
Show；After lighting a fire successfully, flame detection circuit output high level and switch normal bright light condition, the first single-pole double-throw relay K14 and double
Single-pole single-throw relay K24 remains powered on state, and dpdt relay K44, which is obtained, electric causes the normal of its first switch and second switch
Open contact closure and by second solenoid valve state detection circuit export low level and by indicator light circuit with the 4th flashing lamp condition
Represent, the second single-pole double-throw relay K34 dead electricity resets, so that ignition transformer Z stops igniting, the first magnetic valve BV1
Work is simultaneously turned on second solenoid valve BV2 and send combustion gas, and air is sent in blower fan M conductings, is carried out normal combustion and is performed by air door
Device FM adjusts intake；After the completion of normal combustion, power key is closed.If detected by the flame detection circuit on combustor
To igniting is failed within the stipulated time of lighting a fire or burning in stop working when, the first single-pole double-throw relay K14 and DPDT after
Electrical equipment K44 dead electricity resets, and alarm AL powers alarm while stopping combustion gas feeding, by alarm release after reset switch EK2, weight
It is new to enter purging, ignition procedure.If burning to burning indoor temperature or pressure exceedes higher limit, temperature switch R or pressure are opened
Close W to disconnect, while drive dpdt relay K44 dead electricity to reset by pic chip, stop fuel gas supply, then treat that temperature drops
After to lower limit temperature switch R or pressure switch W close merga pass power state detection circuit output low level to pic chip and
Represented by indicator light circuit with the 6th flashing lamp condition, while ignition procedure is reentered by pic chip driving.
The general principle and principal character and advantages of the present invention of the invention has been shown and described above, the industry
For technical staff it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and specification is to say
Bright principle of the invention, on the premise of the invention spirit and scope are not departed from, the present invention also has various change and changed
Enter, these changes and improvements all fall within the protetion scope of the claimed invention, and the claimed scope of the invention is by appended right
Claim and its equivalent thereof.
Claims (9)
1. the controller of gas burner system, it is characterised in that including power circuit, control chip and respectively with control chip and
Flame detection circuit, function-driven circuit, peripheral state detection circuit and the indicator light circuit that power circuit is connected, the electricity
Source circuit is control chip, flame detection circuit, function-driven circuit, peripheral state detection circuit and indicator light circuit provide directly
Flow power supply VCC and dc source VDD.
2. the controller of gas burner system according to claim 1, it is characterised in that the control chip uses PIC
Chip, the indicator light circuit are the circuit of LED being connected on two signal output parts of pic chip.
3. the controller of gas burner system according to claim 1, it is characterised in that the dc source VCC and straight
Stream power vd D is exported after decompression, rectification and voltage stabilizing by 220V alternating currents and obtained.
4. the controller of gas burner system according to claim 1, it is characterised in that the flame detection circuit connection
Between the signal input part and flame ion probe of control chip.
5. the controller of gas burner system according to claim 4, it is characterised in that the flame detection circuit includes
Electric capacity C13, electric capacity C901, electric capacity C902, resistance R153, resistance R123, resistance R143, resistance R133, resistance R903, resistance
R73, resistance R103, commutation diode V23 and dual operational amplifier, wherein：
One end of the resistance R153 is connected with flame ion probe Fe input, the other end pass sequentially through resistance R123,
Resistance R143, resistance R133 electrically connect the reverse input pin B of dual operational amplifier；
The resistance R123 connects live wire with resistance R143 common port through electric capacity C13；
The common port of the resistance R143 and resistance R133 all the way through electric capacity C901 be grounded, then all the way rectified diode V23 and
Resistance R903 is grounded, and the positive pole electric connection resistance R143 and resistance R133 of commutation diode V23 common port；
The reverse input pin B of the dual operational amplifier through resistance R73 connection dc source VCC, the dual operational amplifier
Input pin B ground connection in the same direction simultaneously electrically connects the electric capacity C902, the dual operational amplifier at it between the reversely input pin B
Grounding leg ground connection, supply pin connection dc source VCC, the flare up fire of output pin B connection control chips detects port, described
Resistance R103 is connected between the supply pin and output pin B of dual operational amplifier.
6. the controller of gas burner system according to claim 1, it is characterised in that the peripheral state detection circuit
It is connected between the signal input part of control chip and the input of peripheral components, it includes being used to detect what whether power supply turned on
Power state detection circuit, for detecting throttle condition detection circuit that whether air door executer FM work, being lighted a fire for detecting
The transformer state whether transformer Z works detects circuit, the first magnetic valve whether to be worked for detecting the first magnetic valve BV1
State detection circuit, for detecting the second solenoid valve state detection circuits that whether work of the second electromagnetism BV2 and for detecting
The fan condition detection circuit whether blower fan M works.
7. the controller of gas burner system according to claim 6, it is characterised in that the power state detection electricity
Road, throttle condition detection circuit, transformer state detection circuit, the first magnetic valve state detection circuit, second solenoid valve state
Detection circuit and fan condition detection circuit use same circuit structure, are specially：Include photo-coupler, the optocoupler respectively
The input of clutch is connected through a resistance with the input of corresponding peripheral components to be detected, the output end of the photo-coupler
Detection port corresponding to control chip is connected and connects dc source VCC through a resistance, and the photo-coupler is luminous
Device negative pole is connected with zero line, light-receiving device one end ground connection of the photo-coupler.
8. the controller of gas burner system according to claim 1, it is characterised in that the function-driven circuit connection
Control chip signal output part and be blower fan, the first magnetic valve, second solenoid valve, ignition transformer, alarm and air door
Actuator provides live wire incoming end.
9. the controller of gas burner system according to claim 8, it is characterised in that the function-driven circuit bag
Include：
First single-pole double-throw relay, its common connection live wire, normally opened contact connecting fan；
Second single-pole double-throw relay, its common connect the first magnetic valve, normally opened contact connecting fan；
Double-pole single-throw (D.P.S.T.) relay, the movable contact connecting fan of its first switch, the normally opened contact connection air door of first switch perform
Device, the movable contact of second switch connect the normally-closed contact of first single-pole double-throw relay, and the normally opened contact of second switch connects
Device taking alarm；
Dpdt relay, the common of its first switch connect the normally-closed contact of second single-pole double-throw relay,
The normally opened contact connection second solenoid valve of first switch, the normally-closed contact sky of first switch connect, the common of its second switch
Connect the first magnetic valve, the normally opened contact connecting fan of second switch, the normally-closed contact connection ignition transformer of second switch；With
And
Darlington transistor array, the phase that the signal input part of the Darlington transistor array is connected after a resistance with control chip respectively
Induction signal output end is connected, and the signal output part of the Darlington transistor array connects the coil of corresponding relay respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711143474.1A CN107763658A (en) | 2017-11-17 | 2017-11-17 | The controller of gas burner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711143474.1A CN107763658A (en) | 2017-11-17 | 2017-11-17 | The controller of gas burner system |
Publications (1)
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| CN107763658A true CN107763658A (en) | 2018-03-06 |
Family
ID=61278329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711143474.1A Pending CN107763658A (en) | 2017-11-17 | 2017-11-17 | The controller of gas burner system |
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| CN (1) | CN107763658A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682076A (en) * | 2019-01-25 | 2019-04-26 | 珠海格力电器股份有限公司 | Igniting inspection ignition circuit and burnt gas wall hanging furnace based on Buck principle |
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| CN207438628U (en) * | 2017-11-17 | 2018-06-01 | 金字号（福建）燃烧设备有限公司 | The controller of gas burner system |
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| US4242078A (en) * | 1978-02-17 | 1980-12-30 | Nelson Hollis E | Centralized automatic pilot/pilotless ignition control system |
| CN2370298Y (en) * | 1999-04-26 | 2000-03-22 | 顺德市万和企业集团公司 | Pulse igniting controller of double needle flame detection |
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| US20090035710A1 (en) * | 2007-07-31 | 2009-02-05 | Sit La Precisa S.P.A. | Automatic device for the ignition and control of a gas apparatus and relative driving method |
| CN101382304A (en) * | 2008-10-16 | 2009-03-11 | 王广生 | Intelligent controller set for gas cooker, energy-conserving and alarming |
| CN104035356A (en) * | 2014-06-24 | 2014-09-10 | 佛山三昌五金炉具有限公司 | Ignition control circuit for gas appliance |
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| CN109682076A (en) * | 2019-01-25 | 2019-04-26 | 珠海格力电器股份有限公司 | Igniting inspection ignition circuit and burnt gas wall hanging furnace based on Buck principle |
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