CN107340736A - The control system of steamer - Google Patents
The control system of steamer Download PDFInfo
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- CN107340736A CN107340736A CN201710416919.2A CN201710416919A CN107340736A CN 107340736 A CN107340736 A CN 107340736A CN 201710416919 A CN201710416919 A CN 201710416919A CN 107340736 A CN107340736 A CN 107340736A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000001514 detection method Methods 0.000 claims abstract description 72
- 235000013305 food Nutrition 0.000 claims abstract description 23
- 239000000567 combustion gas Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 45
- 230000005611 electricity Effects 0.000 claims description 17
- 239000000523 sample Substances 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 230000036651 mood Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000013024 troubleshooting Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010411 cooking Methods 0.000 abstract description 2
- 210000000038 chest Anatomy 0.000 description 36
- 238000002485 combustion reaction Methods 0.000 description 23
- 238000010025 steaming Methods 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 230000033228 biological regulation Effects 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000002310 elbow joint Anatomy 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 210000000476 body water Anatomy 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Commercial Cooking Devices (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The present invention relates to the control system of cooking apparatus technical field, especially steamer.The control system of steamer, including power circuit, single chip machine controlling circuit, driving circuit for electromagnetic valve, ratio valve-driving circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, temperature/gear/gated detection circuit, flame detection circuit, water level detection circuit and other auxiliary circuits, the proportioning valve of the ratio valve-driving circuit drive connection supplies after fully premixing combustion gas and air with the DC DC brushless motors coordinated of DC Brushless DC Motor Drive Circuit drive connections to burner.Usefulness of the present invention：Motionless configuration can be adjusted according to the equipment not waited, to adapt to the use demand of plurality of devices, steam pump accelerates steam flow rate and steam circulation, accelerate the flow velocity of steam with steam pump, food is cooked faster, food is had more preferable mouthfeel, can also reach more energy efficient purpose.
Description
Technical field
The present invention relates to the control system of cooking apparatus technical field, especially steamer.
Background technology
Steamer has electric steaming cooking-vessel and gas combustion steaming cabinet, gas combustion steaming cabinet due to more obtaining liking for user using combustion gas, taste etc., but
It is gas combustion steaming cabinet, because steam clean hygiene to be ensured, combustion gas are safe to use so that structure design is more complicated, and also to examine
The problems such as considering energy consumption, and human cost is reduced, Intelligent adjustment can be reached, avoids, due to human negligence general idea, causing equipment
Water shortage, no-water dry combustion and damage, gas leakage caused by fray-out of flame, burning it is insufficient caused by carbon monoxide it is exceeded poisoning etc.
Accident, using in the presence of very big potential safety hazard, it is therefore desirable to accurate system control, it is ensured that step has safely precautionary measures, and
And can also control to adjust, raising efficiency, energy consumption is reduced, is increased the benefit.
The content of the invention
The technical problem that system controls is needed in order to solve above-mentioned artificial easily negligence, the present invention provides the control of steamer
System processed
Technical scheme is as follows：
The control system of steamer, including the driving of power circuit, one-chip machine port control circuit, driving circuit for electromagnetic valve, proportioning valve
Circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, steam pump drive circuit, temperature/gear/gated detection electricity
Road, flame detection circuit, water level detection circuit, steam pump drive circuit and model selection drive circuit, the proportioning valve drive
The proportioning valve of dynamic circuit drives connection cooperates with the DC DC brushless motors of DC Brushless DC Motor Drive Circuit drive connections matches somebody with somebody
Close and supplied after fully premixing combustion gas and air to burner, burner operation, water tank produces steam and exported to steamer, and passes through
Steam pump so that steam is accelerated to food heat release, and the model selection drive circuit can select different patterns, to select list
It is a set of in more set programs of storage in piece machine, to adapt to different equipment, and substantial amounts of cost is increased without, steam pump accelerates
Steam flow rate, steam is accelerated food heat release, cook food within the shorter time to reach, food is had more preferable mouth
Sense, can then be opened with less faster steaming foods of energy resource consumption, temperature/gated detection circuit according to temperature change/gate
Close send have several doors in the signal used, a variety of firepower such as big-and-middle small fire are automatically selected, available for gas combustion steaming cabinet, electric steaming cooking-vessel
Etc. a variety of equipment using steam as heat transfer medium, electric steaming cooking-vessel is then to change heat-generating pipe quantity to reach change power.
The power circuit includes power protecting circuit, power supply rectification filter circuit and filter circuit, and power circuit is to single
Piece machine port control circuit, driving circuit for electromagnetic valve, ratio valve-driving circuit, ignition drive circuit, DC DC brushless motors drive
Dynamic circuit, temperature/gear/gated detection circuit, flame detection circuit, water level detection circuit, steam pump drive circuit, pattern choosing
Select drive circuit, buzzer drive circuit, Multifunctional interface circuit, serial communication circuit, display panel drive circuit, software burning
Entrance, debugging on-off circuit and ignition switch circuit power supply.
The one-chip machine port control circuit is analyzed various signals, and control driving circuit for electromagnetic valve, proportioning valve drive
Dynamic circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, steam pump drive circuit, complete detection, point before operation
General mood proportioning is automatic in fire control system, operation and regulation, operation are completed to close fire detection and blower fan purging manually.
The flame detection circuit is converted to voltage form by detecting inductive needle electric current, turned using ion detection
The signal of single-chip microcomputer identification is changed to judge to have fire or without fiery state；Judgement has fiery condition：Fire defector probe loop ion
Electric current >=0.9 ± 0.2uA；Judge without fiery condition：Fire defector probe loop gas current ﹤ 0.5uA；After ignition switch starts,
Flare up fire is such as detected before solenoid-driven, as false fiery troubleshooting；In operation, if detecting no fire, as
Accident extinguishing processing；Guan Huohou, fire is such as detected, then as the fiery failure handling in pass.
Water level detection circuit uses electric resistance partial pressure detection method, and the resistance and water level switch of water detect circuit water resistance partial pressure,
This voltage is compared with reference voltage, when the resistance of water is less than 10k ohms, comparison circuit output high level, monolithic generator terminal
Mouth control circuit, which is considered as, water, when the resistance of water is more than 10k ohms, comparison circuit output low level, and one-chip machine port control
Circuit is considered as anhydrous, output alarm signal.
The driving circuit for electromagnetic valve includes the amplifying circuit of connection, relay, relay connection magnetic valve, and magnetic valve drives
Dynamic circuit input end connection one-chip machine port control circuit, one-chip machine port control circuit control electromagnetism through driving circuit for electromagnetic valve
Valve opens or closes.
The ratio valve-driving circuit includes operational amplifier, triode, ratio valve-driving circuit output end drive connection
Proportioning valve, ratio valve-driving circuit PV-PWM signal input parts connect one-chip machine port control circuit through PV-PWM signal outputs
End, one-chip machine port control circuit is through ratio valve-driving circuit control ratio example valve opening size.
The DC Brushless DC Motor Drive Circuits are connected to two groups of supply voltages, the letter of DC Brushless DC Motor Drive Circuits
Number input is connected with one-chip machine port control circuit signal output part, and one-chip machine port control circuit passes through DC brush DCs electricity
Drive circuit controls its rotating speed, in addition to signal amplifier circuit, signal isolation circuit, signal feedback circuit and controllable silicon,
The tach signal of signal feedback circuit feedback DC DC brushless motors gives one-chip machine port control circuit, one-chip machine port control electricity
Road provides the air rate adjustment signal and alarm signal of DC DC brushless motors according to signal feedback.
The ignition drive circuit includes amplifier and relay, and is connected with one-chip machine port control circuit, and igniting is opened
Lighted a fire with ignition drive circuit coordinated on powered-down road.
The steam pump drive circuit includes amplifier and relay, steam pump drive circuit and one-chip machine port control electricity
Road connects, and after machine operation, steam pump work, steam pump accelerates steam flow rate, accelerates exothermic process of the steam to food, so that
Food cooks in shorter time, it is possible to reduces the consumption of the energy, reaches the purpose of energy-conservation, available for gas combustion steaming cabinet, electricity steams
A variety of equipment using steam as heat transfer medium such as cabinet.
Temperature/gear/gated detection the circuit is connected with one-chip machine port control circuit, monolithic piece machine port controlling electricity
Road reaches energy-conservation purpose according to the big-and-middle small fire of driving switch manual switch, and temperature/gated detection circuit is according to temperature change/gate
Switch sends several doors in the signal used, automatically selects big-and-middle small fire, a variety of to steam available for gas combustion steaming cabinet, electric steaming cooking-vessel etc.
Vapour is the equipment of heat transfer medium, and gas combustion steaming cabinet is that the gas quantity size burnt by changing supplied burner changes power,
Electric steaming cooking-vessel is then to change heat-generating pipe quantity to reach change power.
Also include buzzer drive circuit, power supply rectification filter circuit and filter circuit Multifunctional interface circuit, serial ports to lead to
Circuit, display panel drive circuit, display panel drive circuit, software burning entrance, debugging on-off circuit and ignition switch circuit are interrogated,
Buzzer drive circuit, flame detection circuit, water level switch detection circuit, temperature/gear/gated detection circuit, multifunctional access
Mouth circuit, serial communication circuit, display panel drive circuit, software burning entrance, debugging on-off circuit and ignition switch circuit point
It is not connected with one-chip machine port control circuit.
Using technical scheme, increase temperature/gear/gated detection circuit, water level detection circuit, multifunctional access
Mouth circuit, model selection drive circuit, steam pump acceleration steam flow rate and steam circulation, temperature/gear/gated detection circuit,
With temperature/gear/gated detection signal, by chip microcontroller manually or automatically transforming gear, water level detection circuit, water-level probe
Sensed water level signal, detection signal is exported to single-chip microcomputer by water level detection circuit, anhydrous with regard to output signal, having water, then machine enters
Enter dormant state Multifunctional interface circuit, Multifunctional interface circuit can be according to the new function of actual use increase in demand, such as increases
Detection with air pressure capable of being increased, the detection of gas kind, infrared detection etc., model selection drive circuit, it can match somebody with somebody according to the equipment adjustment not waited is motionless
Put, it is not only energy-saving on the basis of accurate matching to adapt to the use demand of plurality of devices, also have to the effect of reality
Benefit, and noise is small, the thermal efficiency is high, superior performance, and harmful substance is few in waste gas, securely and reliably, clean hygiene, with temperature/gate
The automatic conversion of big-and-middle small fire is carried out, the thing for making steaming same is more energy efficient；Steam pump accelerates steam flow rate, food is steamed faster
It is ripe, food is had more preferable mouthfeel, can also reach more energy efficient purpose.
Brief description of the drawings
Fig. 1 is the way circuit principle schematic of the present invention；
Fig. 2,3,4,5,6,7 are the partial circuit schematic diagrams of the present invention；
Fig. 8 is the theory diagram of circuit control of the present invention；
Fig. 9 is the theory diagram of control system of the present invention；
Figure 10 is the structural representation of the present invention；
Figure 13 is the structural representation of explosive state of the present invention；
Figure 11,12,14,15,16,17,18,19,20 are the structural representations of part of the present invention；
Figure 21,22 be water tank of the present invention structural representation；
Figure 23 is the structural representation of tank parts of the present invention；
Figure 24,25,26 are the structural representations of casing of the present invention；
Figure 27,28,29 are the structural representations of fire row of the present invention；
Figure 30,31 be fire row part of the present invention structural representation；
Figure 32 is the structural representation of fire row explosive state of the present invention；
Figure 33 is the structural representation of electric appliance box of the present invention；
Figure 34 is the structural representation of cabinet door of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
The control system of steamer as shown in Fig. 1,2,3,4,5,6,7,8,9, including power circuit, one-chip machine port control electricity
Road, driving circuit for electromagnetic valve, ratio valve-driving circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, steam pump drive
Dynamic circuit, temperature/gear/gated detection circuit, flame detection circuit, water level detection circuit, steam pump drive circuit and mould
Formula selects drive circuit, and proportioning valve and the DC Brushless DC Motor Drive Circuits of the ratio valve-driving circuit drive connection drive
The DC DC brushless motors coordinated of connection supplies after fully premixing combustion gas and air to burner, burner operation, water
Case produces steam and exported to steamer, and passes through steam pump so that steam is accelerated to food heat release, one-chip machine port control circuit root
According to the speed feedback signal of DC DC brushless motors, rotation speed of fan is adjusted, burner is reached optimal combustion gas and air stoichiometry,
Burning is complete, and CO contents are small in flue gas, burner be specifically designed and elongation effect of the fire tube to flame so that flame temperature
Scattered, nitrogen oxides in effluent is less.The model selection drive circuit can select different patterns, to select in single-chip microcomputer
It is a set of in more set programs of storage, to adapt to different equipment, and substantial amounts of cost is increased without, model selection drive circuit
Point for being not only temperature, gate and gear of selection, moreover it is possible to which selection enables the parameter of different general mood proportionings, as three-door steam cabinet has three
The parameter of door steamer, two steamers have the parameter of two steamers, so fluctuate less, on the basis of accurate matching, not only save
It can will consume, steam flow rate also is accelerated to the beneficial of reality, steam pump, steam is accelerated food heat release, to reach more
Food is cooked in the short time, food is had more preferable mouthfeel, can be with less faster steaming foods of energy resource consumption, can
For a variety of equipment using steam as heat transfer medium such as gas combustion steaming cabinet, electric steaming cooking-vessel, electric steaming cooking-vessel is then to change heat-generating pipe quantity
Reach change power.
Power circuit includes power protecting circuit, power supply rectification filter circuit and filter circuit, and power supply is to one-chip machine port
Control circuit, driving circuit for electromagnetic valve, ratio valve-driving circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, temperature
Degree/gear/gated detection circuit, flame detection circuit, water level detection circuit, steam pump drive circuit, model selection driving electricity
Road, buzzer drive circuit, Multifunctional interface circuit, serial communication circuit, display panel drive circuit, software burning entrance, tune
Try on-off circuit and ignition switch circuit power supply.
The one-chip machine port control circuit is analyzed various signals, and control driving circuit for electromagnetic valve, proportioning valve drive
Dynamic circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, steam pump drive circuit, complete detection, point before operation
General mood proportioning is automatic in fire control system, operation and regulation, operation are completed to close fire detection and blower fan purging manually.
Flame detection circuit is converted to voltage form by detecting inductive needle electric current, is converted to using ion detection
The signal of single-chip microcomputer identification judges to have fire or without fiery state；Judgement has fiery condition：Fire defector probe loop gas current
≥0.9±0.2uA；Judge without fiery condition：Fire defector probe loop gas current ﹤ 0.5uA；After ignition switch starts, such as exist
Flare up fire is detected before solenoid-driven, as false fiery troubleshooting；In operation, if no fire is detected, as accident
Flame-out processing；Guan Huohou, fire is such as detected, then as the fiery failure handling in pass.
Water level detection circuit uses electric resistance partial pressure detection method, and the resistance and water level switch of water detect circuit water resistance partial pressure,
This voltage is compared with reference voltage, when the resistance of water is less than 10k ohms, comparison circuit output high level, monolithic generator terminal
Mouth control circuit, which is considered as, water, when the resistance of water is more than 10k ohms, comparison circuit output low level, and one-chip machine port control
Circuit is considered as anhydrous, output alarm signal, and water level switch detects circuit i.e. water level detection circuit in circuit diagram.
The driving circuit for electromagnetic valve includes the amplifying circuit of connection, relay, relay connection magnetic valve, and magnetic valve drives
Dynamic circuit input end connection one-chip machine port control circuit, one-chip machine port control circuit control electromagnetism through driving circuit for electromagnetic valve
Valve opens or closes.
The ratio valve-driving circuit includes operational amplifier, triode, ratio valve-driving circuit output end drive connection
Proportioning valve, ratio valve-driving circuit PV-PWM signal input parts connect one-chip machine port control circuit through PV-PWM signal outputs
End, one-chip machine port control circuit is through ratio valve-driving circuit control ratio example valve opening size.
The DC Brushless DC Motor Drive Circuits are connected to two groups of supply voltages, the letter of DC Brushless DC Motor Drive Circuits
Number input is connected with one-chip machine port control circuit signal output part, and one-chip machine port control circuit passes through DC brush DCs electricity
Drive circuit controls its rotating speed.Also include signal amplifier circuit, signal isolation circuit, signal feedback circuit and controllable silicon,
One-chip machine port control circuit output signal amplifies by signal amplifier, by signal isolation circuit i.e. photoelectric coupling
Device, the number of delivering letters arrive controllable silicon, SCR control voltage levels, to control the rotating speed of DC DC brushless motors, signal feedback circuit
The tach signal of feedback DC DC brushless motors gives one-chip machine port control circuit, and one-chip machine port control circuit is anti-according to signal
Feed out the air rate adjustment signal and alarm signal of DC DC brushless motors.
The ignition drive circuit includes amplifier and relay, and is connected with one-chip machine port control circuit, and igniting is opened
Lighted a fire with ignition drive circuit coordinated on powered-down road.
The steam pump drive circuit includes amplifier and relay, steam pump drive circuit and one-chip machine port control electricity
Road connects, and after machine operation, steam pump work, steam pump accelerates steam flow rate, accelerates exothermic process of the steam to food, so that
Food cooks in shorter time, it is possible to reduces the consumption of the energy, reaches the purpose of energy-conservation, available for gas combustion steaming cabinet, electricity steams
A variety of equipment using steam as heat transfer medium such as cabinet.
The temperature sensing circuit is connected with one-chip machine port control circuit, and temperature sensing circuit is according to temperature change, temperature
The resistance of degree probe changes with the change of temperature, their detection circuit with regard to detection resistance signal, single-chip microcomputer according to signal,
Big-and-middle small fire is automatically selected, available for a variety of equipment using steam as heat transfer medium such as gas combustion steaming cabinet, electric steaming cooking-vessel, combustion gas is steamed
Cabinet is that the gas quantity size burnt by changing supplied burner changes power, and electric steaming cooking-vessel is then to change heat-generating pipe quantity to reach and change
Variable power.
Also include buzzer drive circuit, Multifunctional interface circuit, serial communication circuit, display panel drive circuit, display
Drive circuit, software burning entrance, debugging on-off circuit and ignition switch circuit, buzzer drive circuit, fire defector electricity
Road, water level detection circuit, temperature/gear/gated detection circuit, Multifunctional interface circuit, serial communication circuit, display board driving
Circuit, software burning entrance, debugging on-off circuit and ignition switch circuit are connected with one-chip machine port control circuit respectively.
1st, loss of ignition failure ----loss of ignition, ignition switch is pressed, do not detect flame, honeybee at the appointed time
Ring
Device：Ring 1 minute, blower fan：Strong wind operates 1 minute, terminates alarm, fault clearance：Ignition switch is pressed, removes failure, knot
Beam is alarmed, meanwhile, blower fan strong wind, which is run 1 minute, to be terminated.
2nd, accident extinguishing failure ----accident extinguishing, in normal combustion, flame, buzzing are not detected more than certain time
Device：Ring 1 minute, blower fan：Strong wind is run 1 minute, terminates alarm, fault clearance：Ignition switch is pressed, removes failure, knot
Beam is alarmed, meanwhile, blower fan strong wind, which is run 1 minute, to be terminated.
3rd, overheating fault --- in-burning or in shutdown, detect heat alarm, buzzer：Ring 1 minute, blower fan：Greatly
Wind is run 1 minute, terminates alarm, fault clearance：Ignition switch is pressed, removes failure, terminates alarm, meanwhile, blower fan strong wind fortune
Row terminates for 1 minute.
4. fan trouble --- before-igniting, wind speed does not reach igniting wind speed requirement, or during normal combustion, corresponding gear wind
Speed automatically adjusts failure, buzzer：Lasting alarm, blower fan：Do not turn, fault clearance：Ignition key is pressed, removes failure, knot
Beam is alarmed, meanwhile, blower fan strong wind is run 1 minute.
5. false fiery failure --- before-igniting, detect flare up fire, buzzer：Lasting alarm, blower fan：To light a fire, wind speed is held
Reforwarding turns, fault clearance：Ignition key is pressed, removes failure, terminates alarm, meanwhile, blower fan strong wind is run 1 minute.
6. non-homing is lighted a fire ----driving switch is not lighted a fire in ever-burning flame gear, buzzer：It is lasting to ring, blower fan：Blower fan is not
Turn, fault clearance：Ignition key is pressed, removes failure, terminates alarm, meanwhile, blower fan strong wind is run 1 minute.
7. close fire failure ----Guan Huohou, surpass certain time, still detect flame, buzzer：It is lasting to ring, blower fan：Hold
Continuous strong wind operating, fault clearance：Ignition key is pressed, removes failure, terminates alarm, meanwhile, blower fan strong wind is run 1 minute.
8. water shortage is alarmed --- during-preceding or normal combustion of lighting a fire, water, buzzer have been not detected by the appointed time：Hold
Continuous alarm, machine do not work, and failure can not be removed, until failture evacuation.
9. temperature abnormality detection --- there is temperature abnormality detection, buzzer before-igniting or in normal work:Lasting report
Alert, machine does not work, and failure can not be removed, until circuit is detected in failture evacuation position.
As shown in Figure 10,11,12,13,14,15,16,17,18,19,20,34, control system combination steamer uses, and steams
Cabinet, including cabinet, water tank, burner, electric appliance box and power supply architecture, the cabinet top are provided with container, and cabinet bottom is provided with water
Case, the side bottom hollow out of water tank one form combustion chamber, are provided with burner below combustion chamber, burner includes fire row, and fire row is located at water
Bottom portion, water tank are provided with DC direct current brushless motors 12 and single speed blower fan 9, and DC direct current brushless motors 12 are frequency conversion fans, save
Electric energy, DC direct current brushless motors 12 drain into gas caused by burning the hollow tube 81 of upper gas tube 2, be provided with above water tank interior thorax with
Boiler connects plate body 70, and interior thorax is connected plate body 70 with boiler and connected by pipe fitting with the exterior tube 80 of upper gas tube 2, and container steam goes out
Mouth is provided with temperature measuring probe, steam (vapor) outlet i.e. steam emergency vent, and inner bag steam (vapor) outlet connects steam pump intake, steam
Pump discharge connects steamer upper body air inlet, that is, steamer upper body air inlet, steam pump discharge, steamer lower body water tank row's steam degree of lip-rounding
Into threeway, main control computer plate 38, radiator fan 39, igniter 13 and magnetic valve A33, main control computer plate are set in institute's electric appliance box
38 carry or connect water level controller, and radiator fan 39, igniter 13 and magnetic valve A33 are connected with main control computer plate 38, igniting
Device 13 connects fire row ignition electrode, and temperature measuring probe, fire row fire prospecting needle, water level detecting probe 50 and main control computer plate 38 connect,
By temperature measuring probe temperature feedback, main control computer plate 38 controls magnetic valve A33 gas flow and DC direct current brushless motors
12 rotating speed reaches optimal combustion gas and air stoichiometry, DC direct current brushless motors 12 determine suction air number, water tank, burning
Device, electric appliance box and power supply architecture connect, and container steamed layer steam stream dynamic circuit connector reason, practical efficiency improves 30%, in quantity of steam needed for guarantee
Meanwhile the gas quantity few 30% consumed, water and vapour system are made using the stainless steel of clean hygiene entirely, combustion noise is less than
62dB, the special construction design of steamed layer cabinet door so that gas leakage is controlled, using safe and reliable electronic impulse automatic ignition,
Automation improves, and blowout protection, prevents gas leakage from causing accident, it is ensured that safety, major part are arranged on front portion, convenient use
And maintenance, sidepiece headspace can be reduced.
As shown in Figure 21,22,23,24,25,26, the water tank includes casing 40, the open top of casing 40, bottom side
Opening, opposite side bottom plate are provided with discharge outlet, and discharge outlet is equipped with discharge outlet silk head A41, mounting ball valve on discharge outlet silk head A41,
Ball valve connection draining bar 16, open side is interior to be provided with water tank burning chamber shell 42, and the lower section of water tank burning chamber shell 42 is provided with fire row, water
The top of case burning chamber shell 42 is raised up to form tip-angled shape, and water tank burning chamber shell 42 is easily deformed if facing burning directly,
Service life is short, and tip-angled shape body is parallel, evenly distributed, and tip-angled shape body is provided with shank of screw, and shank of screw can absorb a part of heat, increases
The efficiency of heating surface, side and the fixed seal connection of casing 40 before and after water tank burning chamber shell 42, the left side of water tank burning chamber shell 42 is provided with
Side plate 43, side plate 43 are installed into hole provided with interior bladder, the left side wall of casing 40 be provided with the installation of interior bladder portal 44 and pipeline enter
Hole 45, the right side wall of casing 40 portal 46 provided with pipeline, interior bladder is installed into hole and the installation of interior bladder is portalled be provided between 44 it is interior
Bladder 47, interior bladder 47 is vertical, be arranged in parallel, and the flow route between interior bladder 47 is bending, and centre is in M fonts, special
Water container structure design, heat exchange area is big, and the efficiency of heating surface is high, and pipeline, which enters hole 45, and pipeline portals is provided with pipeline 48 between 46, pipe
The both sides of road 48 are vertically arranged, same to homalographic, set quantity more, the pipeline 46 side outer walls that portal are provided with cavity A, and pipeline enters outside the side of hole 45
Wall is provided with cavity B, and the side wall of casing 40 is provided with water inlet A and water inlet B, and water inlet A is equipped with discharge outlet silk head B, and water inlet B is equipped with
Discharge outlet silk head C, is equipped with pressure-equalizing passageway between discharge outlet silk head B and deputy tank, it is ensured that height of water level is consistent, discharge outlet silk
Water inlet pipe is housed between head C and deputy tank.Water tank, deputy tank are fitted together, and outside is wrapped up by lapping, are kept in water tank
The temperature of water and steam.
The cavity B outer walls are provided with deputy tank, including deputy tank main body 49, and ball float, secondary water are provided with deputy tank main body 49
The top of box main body 49 is provided with two water level detecting probes 50, and deputy tank main body 49 is provided with upper water connecting port 24.Noted from deputy tank
Water, upper water connecting port 24 are intake, and inside have ball float, and water level is intake, water level has arrived predetermined water level, ball float always less than predetermined water level
Switch is closed, and water level detecting probe is controlled by main control computer plate 38, and sensed water level is normal, can run, and sensed water level is abnormal,
Alarm.
The cavity A is provided with DC direct current brushless motors 12 and single speed blower fan 9.
As shown in Figure 27,28,29,30,31,32, the fire row includes support, is heated with multigroup fire row, and firepower distribution is equal
It is even scattered, service life can be improved, support is provided with air inlet pipe 60, port part 62, fire row ignition electrode and fire row fire prospecting needle, branch
Frame includes sheet metal component A59 and sheet metal component B61, port part 62 between sheet metal component A59 and sheet metal component B61, port part 62 is vertical,
It is arranged in parallel, air inlet pipe 60 is provided with big fire air inlet 53 and ever-burning flame air inlet 54, and big fire air inlet 53 is located at air inlet pipe 60
Middle part, ever-burning flame air inlet 54 are located at the side of air inlet pipe 60, and the sidewall support of the side is provided with one group of fire row ignition electrode and fire row
Fire prospecting needle, the opposite support of ever-burning flame air inlet 54 are provided with one group of fire row ignition electrode and fire row fire prospecting needle, are two ignition electrodes 52
It is longer than ignition electrode 52 with a fire prospecting needle 51, the length of fire prospecting needle 51.Burning is complete, and CO contents are small in flue gas, the spy of burner
Not She Ji and fire tube to flame elongation effect so that flame temperature is disperseed, and nitrogen oxides in effluent is less.
The sheet metal component A59 bottoms slope inwardly and extended internally, and form inclined plane and baffle plate, and inclined plane hollow out, which is provided with, to be used
With the bayonet socket A64 of fixed combustion mouth part 62, sheet metal component A59 tops are provided with hole, the plate fold inward in hole, in sheet metal component A59
Have to install the mounting hole of one group of ignition electrode and fire prospecting needle in portion, outwards turnover forms backplate, metal plate on sheet metal component B61 tops
Golden part B61 hollow outs are provided with the bayonet socket B65 to fixed combustion mouth part 62, and bayonet socket B65 extends to sheeting edge, under sheet metal component B61
Portion is provided with through hole corresponding with the air inlet of port part 62, is provided with air inlet pipe 60 on the outside of through hole, air inlet pipe 60 is provided with air inlet pipe
Gas port is connected with the air inlet of port part 62, and pipeline is set in port part 62, and the surface of port part 62 is provided with port, firepower point
Cloth is dispersed, can improve service life.
The cabinet includes upper wardrobe body and lower cabinet body, and lower cabinet body includes regulation pin 7 and square tube, and regulation pin 7 has four, regulation
Square tube is equipped with to fix up and down between pin 7, and lower decorative panel 26, sagittal lower square tube are arranged with lateral regulation pin 7
Between be provided with burner hearth installing plate, the upper wardrobe body includes thorax and Over-The-Counter inside casing in Over-The-Counter, and thorax includes interior thorax bottom plate 71 in Over-The-Counter, interior
Thorax bottom plate 71 is located above outer frame bottom plate, and the interior left side of thorax bottom plate 71 is provided with left inside thorax plate 73, and the interior right side of thorax bottom plate 71 is provided with the right side
Thorax plate 72, the rear side of interior thorax bottom plate 71 are provided with thorax plate in rear, it is vertically-mounted before and after the outer wall of thorax plate 72 in left inside thorax plate 73 and the right side in
Thorax external reinforcing plate for car 74 is fixed, left inside thorax plate 73 and front and rear vertically-mounted interior thorax carrier frame plate 75 in thorax plate 72 in the right side, interior thorax carrier frame plate
Bracket 76 is provided between 75, is provided with tray rack 77 between bracket 76, spaced between interior thorax carrier frame plate 75, compartment is provided with interior
Middle top plate 79, interior middle top plate 79 and other steamed layer top plates, in reverse V-shaped, it is ensured that steam produces water and stayed to both sides, clean hygiene,
Interval also ensures that not taint of odour between layer, and interior middle top plate 79 is anterior to be provided with transverse slat 78 in interior thorax, the and of thorax plate 72 in left inside thorax plate 73, the right side
Roof sheet 1 is provided with the top of interior thorax plate afterwards, roof sheet 1 is anterior to be provided with interior thorax upper cross plate 15, and the outside of thorax plate 72 is provided with upper gas tube in the right side
2, the centre of upper gas tube 2 is provided with hollow tube 81, and interior 71 middle hollow out of thorax bottom plate is connected plate body 70, interior thorax and pot with boiler provided with interior thorax
Stove connect plate body 70 by being linked together with flange and water tank, it is ensured that steam does not leak outside, interior thorax be connected with boiler plate body 70 from
The interior surface of thorax bottom plate 71, which is stretched out, is stamped cistern cover plate, and cistern cover plate is easy to check maintenance, and interior thorax is connected the bottom of plate body 70 with boiler
Rear side is provided with hole, installs pipe A82 on hole, gas elbow joints A83, upper gas elbow joints A83 pass through soft company in pipe A82 connections
Adapter 84 and upper gas elbow joints B85, upper gas elbow joints B85 are connected by pipe B86 with upper gas tube 2, and the top of upper gas tube 2 is set
There is safety valve 3, the too big releasing pressure automatically of pressure, a set of upper vapour structure, upper vapour structure are connected between upper gas tube 2 and every layer of upper wardrobe body
Including upper gas bellows 87 and outer mariages pipe fitting 88, the upper gas bellows 87 of the connection of upper gas tube 2, upper gas bellows 87 passes through upper gas control
Tubulation 89, upper vapour control pipe 89 connect outer mariages pipe fitting 88, and outer mariages pipe fitting 88 connects with thorax plate 72 in the right side, and interior thorax bottom plate 71 is left
Rear side is provided with inner bag drainpipe 27, and Over-The-Counter inside casing includes outer frame bottom plate 6, and outer frame bottom plate 6 is arranged on the top of regulation pin 7, housing bottom
The front end of plate 6 is provided with steam tank 28, and the right side of steam tank 28 is provided with sink drain 8, and the outer rear end both sides of frame bottom plate 6 are stood after being provided with
Post 91, the outer right side front of frame bottom plate 6 are provided with panel body 93, and upper vapour control pipe 89 is steamed by connecting rod 4 through the connection of panel body 93
Vapour ripple system 5, for steam ripple system 5 when needing to make container, vapour control pipe 89 avoids too many hot gas to container air inlet in stopping,
Potential safety hazard is lifted, surface frame plate 96 is provided with vertically after steam tank 28, outer side seal board is provided between surface frame plate 96 and rear column 91
92, surface frame 14 is provided between surface frame plate 96 and panel body 93, toll bar button 94, rear column 91 and panel body are provided with the top of surface frame 14
Outer side seal board 92 is provided between 93, outer side seal board 92 is provided with connecting plate 95, and outer rear shrouding 90, surface frame are provided between rear column 91
14 and it is outer after shrouding 90 be arranged in parallel, interior thorax is connected plate body 70 with boiler and is connected through outer frame bottom plate 6 with water tank adpting flange, door
Cabinet door 29 is housed on frame, handle 31 is installed in cabinet door 29, the top of handle 31 is provided with the door lock 30 coordinated with toll bar button 94, cabinet door
29 inwall both sides are provided with latch hook 37, and doorframe inwall is provided with the latch hook hanging plate 34 of latch hook insertion, and latch hook hanging plate 34 is provided with insertion
Mounting hole 35.Fixing body 10 is provided with behind interior thorax plate right side wall afterwards, steam (vapor) outlet, steam emergency vent are provided with fixing body 10
It is reasonable to set, and is leaked without steam during normal operation, and container i.e. inner bag have each shrouding to protect positioned at interior outside, avoids touching boiling hot
Wound, lift safety coefficient.
As shown in figure 33, electric appliance box is provided with power switch 21 and ignition switch 20, and cabinet front bottom is provided with operating surface
Plate, guidance panel are provided with LCD display 23, magnetic switch 22, power change-over switch 19, indicator lamp 18, standby ignition switch
17, power switch 21 and ignition switch 20 are exposed from guidance panel, power switch 21, ignition switch 20, power change-over switch
19th, indicator lamp 18, standby ignition switch 17 are connected with electric appliance box, are used in the gear of magnetic switch 22 detection circuit, regulation manually.
A. exhausting system in start Qian Yingxian opening chamber, ensure that room air circulation is smooth；
B. confirm to supply water, supply normally, notice that water level is not up to specified location and misfired；
C. determine that all switches are closed, total air supply valve can be opened；
D. total power switch is opened, presses ignition switch, ever-burning flame is standby or output alarm signal until machine enters；
E. determine that kindling material burning is normal, manual large, medium and small fire control system is then carried out according to gear with driving switch；
In use, the air inlet of ever-burning flame air inlet 54 so that fire row kept burning day and night maintains fire, then controls the tolerance of big fire air inlet 53, control
Make the burning of big-and-middle small fire, gas caused by burning is through the excessively interior bladder in combustion chamber, to chamber B, then to pipeline, chamber A, through DC direct currents
Brushless fan 12, which is discharged, leads to the hollow tube 81 of upper gas tube 2, for insulation effect, caused steam then due to pressure in water tank
Automatically into the exterior tube 80 of upper gas tube 2, enter steamed layer through upper vapour structure, DC direct current brushless motors 12 are determined into combustion chamber
Air number, the number into the combustion gas of combustion chamber determined, by intelligentized control method, greatly promotes combustion proportioning valve A33
Benefit is burnt, reaches optimum state.
Embodiment 2
Model selection drive circuit, model selection drive circuit have four toggle switches to the present embodiment as different from Example 1,
Various modes can be combined into, each pattern can select different driving switch species, manually or automatically pattern, different journeys
Sequence is set, to be applicable different equipment.
Embodiment 3
The present embodiment gated detection circuit as different from Example 1, there are several doors using according to what gate controlled switch was sent
Signal, big-and-middle small fire is automatically selected, when just starting, during in lower temperature, burnt with most big fire, temperature reaches to a certain degree
Afterwards, then the door numerical control firepower size by using is turned, design parameter can be by program setting.
Embodiment 4
The present embodiment temperature sensing circuit as different from Example 1, the temperature signal detected according to temperature sensing circuit, from
The dynamic big-and-middle small fire of selection, when the temperature is low, is burnt with most big fire, when temperature, which rises, reaches default temperature, is delayed automatically by big fire
Slowly moderate heat is dropped to again to small fire by big fire, at this moment temperature reduces caused by food temperature is relatively low or steamer opens the door, and works as drop
During to program preset temperature, big fire is slowly raised to by small fire automatically, when temperature is raised to preset temperature, then delayed automatically by big fire
Small fire is dropped, so circulation, reached automatic big-and-middle small fire conversion, reached the purpose of energy-conservation.
Embodiment 5
The system also has a set of back-up system to the present embodiment as different from Example 1, and the electric appliance box also includes controller 25
With the magnetic valve B32 of manual regulation flow, back-up system includes controller 25, single speed blower fan 9, magnetic valve B32 and blast switch,
Blast switch is arranged on lower cabinet body front portion, the DC direct current brushless motors 12 and list of DC Brushless DC Motor Drive Circuit drive connections
Fast blower fan 9 is installed in parallel, and exhaust outlet adds air draft check valve, and the magnetic valve A33 of main system passes through threeway and back-up system electromagnetism
Valve B32 connections are connected to burner, and two systems carry out the selection between back-up system and main system by power change-over switch 19,
Back-up system equally has igniting and visits fiery function, also there is water level detecting function, and controller 25 has igniting, fire defector, water level inspection
Survey, blast detection, dry combustion method detection and blower fan driving function, in use, power switch is pressed, before being automatically performed start after being powered
Step, the tolerance sizes such as detection, purging, igniting, spy fire, normal operation can only manually adjust magnetic valve B32.
Embodiment 6
The system also has steam pump to the present embodiment as different from Example 1, and inner bag steam (vapor) outlet connects steam pump intake, steam pump
Outlet connects steamer upper body air inlet, that is, steamer upper body air inlet, steam pump discharge, steamer lower body water tank row's steam port are formed
Threeway, after machine operation, steam pump work, steam pump accelerates steam flow rate, accelerates exothermic process of the steam to food, so that food
Product cook in shorter time.
It should be appreciated that the foregoing is merely illustrative of the preferred embodiments of the present invention, it e insufficient to the limitation present invention's
Technical scheme, for those of ordinary skills, within the spirit and principles in the present invention, it can add according to the above description
Increasing and decreasing, replacing, converting or improving, and the technical scheme after all these increases and decreases, replacement, conversion or improvement, it should all belong to this
The protection domain of invention appended claims.
Claims (10)
1. the control system of steamer, it is characterised in that：Including power circuit, one-chip machine port control circuit, solenoid-driven electricity
Road, ratio valve-driving circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, temperature/gear/gated detection circuit,
Flame detection circuit, water level detection circuit, steam pump drive circuit and model selection drive circuit, the ratio electrohydraulic valve actuator
The proportioning valve of road drive connection will with the DC DC brushless motors coordinated of DC Brushless DC Motor Drive Circuit drive connections
Combustion gas supplies after fully being premixed with air to burner, and burner operation, water tank produces steam and exported to steamer, and passes through steam
Pump so that steam is accelerated to food heat release.
2. the control system of steamer according to claim 1, it is characterised in that：The power circuit includes power protection electricity
Road, power supply rectification filter circuit and filter circuit, power circuit is to one-chip machine port control circuit, driving circuit for electromagnetic valve, ratio
Example valve-driving circuit, ignition drive circuit, DC Brushless DC Motor Drive Circuits, temperature/gear/gated detection circuit, flame
Detect circuit, water level detection circuit, steam pump drive circuit, model selection drive circuit, buzzer drive circuit, multifunctional access
Mouth circuit, serial communication circuit, display panel drive circuit, software burning entrance, debugging on-off circuit and ignition switch circuit supply
Electricity.
3. the control system of steamer according to claim 1, it is characterised in that：The one-chip machine port control circuit is to each
Kind signal is analyzed, control driving circuit for electromagnetic valve, ratio valve-driving circuit, ignition drive circuit, DC DC brushless motors
Drive circuit, steam pump drive circuit, complete before operation that general mood proportioning is automatic in detection, IGNITION CONTROL, operation and adjusts manually
Section, operation are completed to close fire detection and blower fan purging；
The flame detection circuit is converted to voltage form by detecting inductive needle electric current, is converted to using ion detection
The signal of single-chip microcomputer identification judges to have fire or without fiery state；Judgement has fiery condition：Fire defector probe loop gas current
≥0.9±0.2uA；Judge without fiery condition：Fire defector probe loop gas current ﹤ 0.5uA；After ignition switch starts, such as exist
Flare up fire is detected before solenoid-driven, as false fiery troubleshooting；In operation, if no fire is detected, as accident
Flame-out processing；Guan Huohou, fire is such as detected, then as the fiery failure handling in pass；
Water level detection circuit uses electric resistance partial pressure detection method, resistance and water level switch the detection circuit water resistance partial pressure of water, this
Voltage compares with reference voltage, when the resistance of water is less than 10k Ω, comparison circuit output high level, and one-chip machine port control
Circuit, which is considered as, water, and when the resistance of water is more than 10k Ω, comparison circuit output low level, one-chip machine port control circuit is considered as
It is anhydrous, output alarm signal.
4. the control system of steamer according to claim 1, it is characterised in that：The driving circuit for electromagnetic valve includes connection
Amplifying circuit, relay, relay connection magnetic valve, driving circuit for electromagnetic valve input connection one-chip machine port control electricity
Road, one-chip machine port control circuit open or close through driving circuit for electromagnetic valve control magnetic valve.
5. the control system of steamer according to claim 1, it is characterised in that：The ratio valve-driving circuit includes computing
Amplifier, triode, ratio valve-driving circuit output end drive connection proportioning valve, the input of ratio valve-driving circuit PV-PWM signals
End connection one-chip machine port control circuit is through PV-PWM signal output parts, and one-chip machine port control circuit is through ratio valve-driving circuit
Control ratio valve opening size.
6. the control system of steamer according to claim 1, it is characterised in that：The DC Brushless DC Motor Drive Circuits
Two groups of supply voltages are connected to, the signal input part and one-chip machine port control circuit signal of DC Brushless DC Motor Drive Circuits are defeated
Go out end connection, one-chip machine port control circuit controls its rotating speed, in addition to signal to put by DC Brushless DC Motor Drive Circuits
Big device circuit, signal isolation circuit, signal feedback circuit and controllable silicon, signal feedback circuit feedback DC DC brushless motors turn
Fast signal gives one-chip machine port control circuit, and one-chip machine port control circuit provides DC DC brushless motors according to signal feedback
Air rate adjustment signal and alarm signal.
7. the control system of steamer according to claim 1, it is characterised in that：The ignition drive circuit includes amplifier
With relay, and it is connected with one-chip machine port control circuit, ignition switch circuit is carried out a little with ignition drive circuit coordinated
Fire.
8. the control system of steamer according to claim 1, it is characterised in that：The steam pump drive circuit includes amplification
Device and relay, steam pump drive circuit is connected with one-chip machine port control circuit, after machine operation, steam pump work, and steam
Pump accelerates steam flow rate, accelerates exothermic process of the steam to food.
9. the control system of steamer according to claim 1, it is characterised in that：Temperature/gear/gated detection the circuit
It is connected with one-chip machine port control circuit, monolithic piece machine port control circuit reaches according to the big-and-middle small fire of driving switch manual switch
Purpose is saved, temperature/gated detection circuit sends several doors in the signal used according to temperature change/gate controlled switch, automatically
Select big-and-middle small fire.
10. the control system of steamer according to claim 1, it is characterised in that：Also include buzzer drive circuit, more work(
Can interface circuit, serial communication circuit, display panel drive circuit, display panel drive circuit, software burning entrance, debugging switch electricity
Road and ignition switch circuit, buzzer drive circuit, flame detection circuit, water level detection circuit, temperature/gear/gated detection
Circuit, Multifunctional interface circuit, serial communication circuit, display panel drive circuit, software burning entrance, debugging on-off circuit and point
Fiery on-off circuit is connected with one-chip machine port control circuit respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710416919.2A CN107340736B (en) | 2017-06-06 | 2017-06-06 | Control system of steam cabinet |
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|---|---|---|---|
| CN201710416919.2A CN107340736B (en) | 2017-06-06 | 2017-06-06 | Control system of steam cabinet |
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| CN107340736B CN107340736B (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375134A (en) * | 2021-06-25 | 2021-09-10 | 珠海歌林能源科技有限公司 | Control method of steam system |
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|---|---|
| CN107340736B (en) | 2020-04-14 |
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Address after: 255400 500 meters south of zhutai turntable railway bridge, zhutai Industrial Park, Linzi District, Zibo City, Shandong Province Applicant after: SHANDONG DONGFANG FANGYUAN KITCHEN EQUIPMENT Co.,Ltd. Address before: Linzi District 255432 of Shandong city of Zibo province Zhu Tai Zhen Wang Ying Village South Industrial Zone Applicant before: SHANDONG DONGFANG FANGYUAN KITCHEN EQUIPMENT Co.,Ltd. |
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