CN102384495A - Air blowing type gas stove - Google Patents
Air blowing type gas stove Download PDFInfo
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- CN102384495A CN102384495A CN2010102751149A CN201010275114A CN102384495A CN 102384495 A CN102384495 A CN 102384495A CN 2010102751149 A CN2010102751149 A CN 2010102751149A CN 201010275114 A CN201010275114 A CN 201010275114A CN 102384495 A CN102384495 A CN 102384495A
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Abstract
An air blowing type gas stove comprises a body, a burner, a blower fan, a gas valve body and a control circuit, wherein the control circuit comprises a main control circuit, a gas flow rate detection circuit, an air quantity control circuit, a flame detection circuit, a solenoid valve control circuit, an air quantity adjustment and storage circuit, an ignition circuit and a power supply circuit; and an air quantity adjustment key is arranged on the body. The air blowing type gas stove has the following advantages that the air quantity adjustment and storage circuit is additionally arranged in the gas stove and can adjust the rotating speeds of the fan corresponding to all flow rates through the key at random according to the practical situations of an air source used by a user, increase the air quantity and also reduce the air quantity, so that the rotating speeds of the fan under all the flow rates adapt to the used air source, and the new rotating speed can be automatically written into the storage circuit to replace the original rotating speed; and as a flow rate tachometer in the storage circuit is updated, a new flow rate tachometer is used for work in the future, so that the difference problem of the air source is solved.
Description
Technical field
The present invention relates to a kind of blowing type gas kitchen range, relate in particular to a kind of intelligent blowing type gas kitchen range that has the control system.
Background technology
Household gas range has got into our kitchen already, provides the air to burner except kitchen range inside in the time of the burning of general gas kitchen range, also needs the so abundant burning that could guarantee combustion gas of providing of auxiliary air on the top of burner.So can not be too near owing to need auxiliary air to limit pan from the distance of burner, if too near auxiliary air will be not enough, yellow flame appears, carbon monoxide problem such as exceed standard.But some causes the reduction of the thermal efficiency heat of the words of distance burning to air radiation all around.The thermal efficiency of general gas kitchen range generally in the middle of 50%-55%, will have nearly half the energy dissipation like this and fall now, not meet the requirement of present low-carbon economy.Like one Chinese patent application number is the application for a patent for invention of CN200910174083.5, and open day is on April 14th, 2010, discloses a kind of gas-cooker, comprises burner, combustion gas input unit, air-blast device and control device; Said burner connects combustion gas input unit, air-blast device and control device, is used to accept control device control igniting, the combustion gas of the said combustion gas input unit input of burning and the air gas mixture of air-blast device input; The combustion gas input unit connects control device, accepts control device control, regulates the combustion gas input quantity; Air-blast device connects control device, and air input is regulated in receiving control device control; Control device is used for according to the combustion gas of preset ratio control combustion gas input unit input and the air capacity of air-blast device input.Though such scheme can be regulated air input through control device; This control mode all is that program is accomplished automatically; But because the source of the gas of different home there are differences, combustion gas input quantity and air input are not changeless, and technique scheme is difficult to be suitable for.The problem that tradition solves combustion gas difference is through air door being set on burner, being suitable for combustion gas quality through damper.But this air door structure is difficult to be suitable for the blowing type gas kitchen range that intelligent air quantity is regulated.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, provides a kind of efficiency of combustion high, safe and reliable blowing type gas kitchen range.
According to a kind of blowing type gas kitchen range provided by the invention; Comprise body, be installed in burner, gas valve body, the control circuit on the said body and be installed in blower fan on the said burner; Said control circuit comprises governor circuit, the gas flow testing circuit that is connected with said governor circuit respectively, air quantity control circuit, flame detecting circuit, solenoid valve control circuit, air quantity adjustment memory circuit, firing circuit and power circuit; Said body is provided with air quantity adjustment button; Said air quantity adjustment is by the ventilation of the said blower fan of key control; Ventilation is suitable for combustion gas quality mutually, and the rotating speed of said air quantity adjustment memory circuitry stores said blower fan at this moment is as reference rotation speed; Said gas flow testing circuit transfers to the gas flow signal in the said governor circuit; Said governor circuit produces the air quantity control signal according to the reference rotation speed of gas flow signal and said air quantity adjustment memory circuitry stores, and the air quantity control signal is transferred in the said air quantity control circuit, and said air quantity control circuit is controlled the rotating speed of said blower fan; Said flame detecting circuit transfers to the flare up fire that detects in the said governor circuit; Said governor circuit produces make-and-break signal according to flare up fire, and make-and-break signal is transferred in the said solenoid valve control circuit, and said solenoid valve control circuit is controlled said gas valve body break-make.
Also have following attached technical characterictic according to a kind of blowing type gas kitchen range provided by the invention:
Said air quantity control circuit is the PWM frequency changer circuit.
The Huo Gaichu of said burner is provided with ion probe, and said ion probe is connected with said flame detecting circuit.
Said flame detecting circuit comprises amplifier, optocoupler, triode and the resistance that matches, electric capacity; The detected flare up fire of said ion probe is sent in the said amplifier through resistance, electric capacity, after said amplifier is handled, transfers to said governor circuit through said optocoupler.
Said air quantity adjustment memory circuit comprises storage chip and the resistance that matches with said storage chip; The said memory chip stores flow rotating speed table of comparisons; Said air quantity adjustment button can upgrade the flow rotating speed table of comparisons in the said storage chip, and said storage chip offers said governor circuit with the flow rotating speed table of comparisons of storage.
Said gas flow testing circuit comprises adjustable potentiometer and the testing circuit that is connected with said potentiometer; The middle part of said potentiometer is provided with hollow axle; Said hollow axle is sleeved on the valve rod of gas valve body; Valve rod drives said hollow axle and rotates, and the movable contact that said hollow axle drives in the said potentiometer rotates, and the housing of said potentiometer is fixed on the body of said gas valve body.
Said testing circuit comprises pull-up resistor and filter capacitor; Said pull-up resistor one end connects power supply, and an other end connects 2 pin of said potentiometer, and 1 pin of said potentiometer is unsettled; 3 pin ground connection; One end of said filter capacitor connects 2 pin of said potentiometer, other end ground connection, and the 2 pin output signal of said potentiometer is to said governor circuit.
Said governor circuit also is connected with warning circuit, and said warning circuit comprises the switch triode of buzzer and the said buzzer work of control, and said switch triode is connected with said governor circuit.
Said firing circuit comprises high-tension coil, the oscillator that boosts, voltage-stabiliser tube, controllable silicon and the resistance that matches, electric capacity, diode and triode.
Said solenoid valve control circuit comprises on-off circuit and the optocoupler of being made up of triode and resistance, and said governor circuit is controlled said on-off circuit through optocoupler, and said on-off circuit inserts in the said gas valve body.
Compared with prior art has following advantage according to a kind of blowing type gas kitchen range provided by the invention: at first; The present invention has increased air quantity adjustment memory circuit, and this circuit can be adjusted the pairing rotation speed of the fan of each flow through button according to the actual conditions of the source of the gas that uses in the users home at any time, can strengthen air quantity; Also can reduce air quantity; Make the rotation speed of the fan under each flow adapt to employed source of the gas, and can upgrade the flow revolution counter in the memory circuit automatically replacing original rotating speed in the new rotating speed write storage circuit; Later just use new flow revolution counter work, thereby solved the source of the gas variability issues.Secondly; The present invention carries out an amount of air blast in gas-cooker inside to burner according to the variation of gas flow, and inner like this air just can guarantee the abundant burning of combustion gas no longer to need auxiliary air; Just can pan fall enough low; Thereby reduced the radiant heat loss to ambient air, brought up to efficiency of combustion more than 65%, it is energy-conservation more than 20% to compare common kitchen range.Once more; The present invention increases ionic flame detection circuit, electromagnetic valve circuit, buzzer circuit; Whether the ionic flame detection circuit is used to survey flame and exists; Ion probe is installed in the position near the fire lid, as long as just can burn probe at normal combustion flame, detection circuit will detect the flame existence and offer governor circuit to the signal of flame existence; When meeting accident flame-out the time, there is not flame above the probe, detection circuit will offer governor circuit to flame-out signal, and governor circuit is received and will be turn-offed magnetic valve after this signal and report to the police, thereby accomplishes the function of blowout protection.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a governor circuit schematic diagram among the present invention
Fig. 3 is a left air quantity adjustment memory circuit schematic diagram among the present invention.
Fig. 4 is right-of-center in political views's air quantity adjustment memory circuit schematic diagram of the present invention.
Fig. 5 is left gas flow testing circuit and a left air quantity control circuit schematic diagram among the present invention.
Fig. 6 is right-of-center in political views's gas flow testing circuit of the present invention and right air quantity control circuit schematic diagram.
Fig. 7 is a warning circuit schematic diagram among the present invention.
Fig. 8 is power circuit principle figure among the present invention.
Fig. 9 is a left solenoid valve control circuit schematic diagram among the present invention.
Figure 10 is right-of-center in political views's solenoid valve control circuit schematic diagram of the present invention.
Figure 11 is flame detecting circuit theory diagrams in the left and right sides among the present invention.
Figure 12 is a left-right dots ignition circuit schematic diagram among the present invention.
Figure 13 is the mounting structure figure of potentiometer among the present invention.
The specific embodiment
Referring to Fig. 1; According to a kind of blowing type gas kitchen range provided by the invention, comprise body, be installed in burner, gas valve body, the control circuit on the said body and be installed in blower fan on the said burner that said blower fan is common 12V DC fan; Be installed on the mixing tube of burner; Air outside is blown in the mixing tube, form combustion gas and Air mixing gas, thereby be beneficial to burning.Said gas valve body includes parts such as magnetic valve, ignition switch, is used to control combustion gas break-make and igniting, and can regulate the flow of combustion gas through the knob on it, thereby regulates the size of flame.These structures can adopt conventional frame for movement, and the present invention mainly is the improvement of carrying out to control circuit, is primarily aimed at control circuit below and describes.
Referring to Fig. 1; In the present invention; Said control circuit comprises governor circuit 1, the gas flow testing circuit 2 that is connected with said governor circuit 1 respectively, air quantity control circuit 3, flame detecting circuit 4, solenoid valve control circuit 5, air quantity adjustment memory circuit 6, firing circuit 7 and power circuit 8
Said body is provided with air quantity adjustment button 61; The ventilation of the said blower fan of said air quantity adjustment button 61 controls makes ventilation be suitable for mutually with combustion gas quality, and said air quantity adjustment memory circuit 6 is stored the rotating speed of the said blower fan of this moment; As reference rotation speed
Said gas flow testing circuit 2 transfers to the gas flow signal in the said governor circuit 1; Said governor circuit 1 produces the air quantity control signal according to the reference rotation speed of gas flow signal and 6 storages of said air quantity adjustment memory circuit; And the air quantity control signal transferred in the said air quantity control circuit 3; The rotating speed of the said blower fan of said air quantity control circuit 3 controls
Said flame detecting circuit 4 transfers to the flare up fire that detects in the said governor circuit 1; Said governor circuit 1 produces make-and-break signal according to flare up fire; And make-and-break signal transferred in the said solenoid valve control circuit 5 the said gas valve body break-make of said solenoid valve control circuit 5 controls.
The present invention stores the relation of different user combustion gas and air quantity through the air quantity adjustment memory circuit 6 that is provided with, as the standard of air quantity adjustment.This kind adjustment mode is identical with traditional mechanical air door effect, can be called electronic damper.This kind structure can better meet the needs of intelligent gas-burning stove, the traditional mechanical air door need be set, and has improved the class of gas-cooker.
Be provided with two burners in the present invention, so the control circuit appropriate section is provided with two branch roads respectively, controls two burners respectively, improved the reliability of work.To describe with regard to two branch roads respectively below, describe for ease, two branch roads respectively with about distinguish.
Referring to Fig. 2, in the foregoing description that the present invention provides, said governor circuit 1 is the PIC16C712 chip of being produced by U.S. MICROCHIP company.About each one totally two IC1, IC2, two chips are separate.This chip can be analog signal conversion a data signal, and inside has write system program.
Referring to Fig. 5 and Fig. 6, in the foregoing description that the present invention provides, said air quantity control circuit 3 is PWM frequency changer circuit IC3; Adopt the ULN2003 chip, this chip IC 3 is connected with governor circuit 1, and inserts in the blower fan; Said governor circuit 1 is through this chip of commands for controlling; Make the pulse width and the frequency of the power supply of chip adjustment fan, thereby fan is carried out speed governing, adopt the PWM frequency control can realize stepless speed regulation; Blower fan is realized fine setting, thereby make the rotating speed of fan and gas flow reach the best configuration relation.Said chip has a plurality of control modules in the present invention; About two blower fan be connected on simultaneously on the different units of an air quantity control circuit 3; Two chip IC 1, IC2 also are connected on respectively on the different pins of this chip about governor circuit 1, can utilize a chip to realize the control to two fans.What wherein Fig. 5 provided is left air quantity control circuit, and what Fig. 6 provided is right air quantity control circuit, two shared said chip IC3 of circuit.
Referring to Fig. 3 and Fig. 4; In the foregoing description that the present invention provides; Said air quantity adjustment memory circuit 6 comprises storage chip IC4, IC5 and the resistance that matches with said storage chip; The said memory chip stores flow rotating speed table of comparisons, said air quantity adjustment button can upgrade the flow rotating speed table of comparisons in the said storage chip, and said storage chip offers said governor circuit with the flow rotating speed table of comparisons of storage.Wherein Fig. 3 is left air quantity adjustment memory circuit; Form by resistance R 6, R7, R10, R15, R16, R17, R18 and storage chip IC4; Wherein air quantity adjustment button S1, S2, S3 are the adjustment button of left burner; These three buttons directly are connected with main control chip IC1, and storage chip IC4 directly is connected with main control chip IC1, mutual between the two swap data.Fig. 4 is right air quantity storage adjustment circuit; Form by resistance R 24, R25, R29, R33, R34, R35, R36 and storage chip IC5; Wherein air quantity adjustment button S4, S5, S6 are the adjustment button of right burner; Directly be connected with main control chip IC2, storage chip IC5 also directly is connected with main control chip IC2, mutual between the two swap data.
The problem how gas-cooker adapts to each place, each family's source of the gas otherness is vital, and gas-cooker can't be adjusted when dispatching from the factory and satisfy all needs.The present invention adopts has increased air quantity adjustment memory circuit; This circuit user can adjust the pairing rotation speed of the fan of each flow through three external buttons according to the actual conditions of the source of the gas that uses in the own home at any time; Can strengthen air quantity; Also can reduce air quantity, make the rotation speed of the fan under each flow adapt to employed source of the gas, and can write the original rotating speed of storage chip replacement to new rotating speed automatically.Upgraded the flow revolution counter in the storage chip, just used new flow revolution counter work later, thereby solved the source of the gas variability issues.Throttle setting in similar and traditional kitchen range, the user adapts to oneself source of the gas through the size of the damper of being in.
Referring to Figure 11, in the foregoing description that the present invention provides, the Huo Gaichu of said burner is provided with ion probe TZ1, TZ2, and said ion probe TZ1, TZ2 are connected with said flame detecting circuit 4.Said flame detecting circuit 4 comprises amplifier, optocoupler, triode and the resistance that matches, electric capacity; Said ion probe TZ1, the detected flare up fire of TZ2 are sent in the said amplifier through resistance, electric capacity, after said amplifier is handled, transfer to said governor circuit 1 through said optocoupler.Said ionic flame detection circuit comprises left flame detecting circuit and two circuit of right flame detecting circuit.Said left ionic flame detection circuit comprises resistance R 14, R37, R38, R46, R47, R48, R49, R50, R51, R52, R53; Diode D6, D10, D13, D14, D16, D17, D21, capacitor C 17, C18, C19, C23, C24, C25, triode Q4, Q5; Light idol IC6; Amplifier IC8, button S8, ion probe TZ2 are connected with main control chip IC1 through optocoupler IC6.Said right ionic flame detection circuit comprises resistance R 32, R37, R38, R39, R40, R41, R42, R43, R44, R45, R53; Diode D9, D10, D11, D12, D15, D18, D21; Capacitor C 17, C18, C19, C20, C21, C22, triode Q4, Q5, light idol IC7; Amplifier IC8, button S7, ion probe TZ1.Be connected with main control chip IC2 through optocoupler IC7, components identical be two circuit shared part.
Because when blower system was used for the kitchen range of infrared combustion mode, the flame that kitchen range produce was very short, traditional thermocouple is difficult to detect very short flame, therefore can not use traditional thermocouple to realize blowout protection.The present invention increases the ionic flame detection circuit, and whether the ionic flame detection circuit is used to survey flame and exists.Ion probe is installed in the position near the fire lid, as long as just can burn probe at normal combustion flame, detection circuit will detect the flame existence and offer main control chip to the signal of flame existence; When meeting accident flame-out the time, there is not flame above the probe, detection circuit will offer main control chip to flame-out signal, and main control chip is received and will be turn-offed magnetic valve after this signal and report to the police, thereby accomplishes the function of blowout protection.
Referring to Fig. 9 and Figure 10; In the foregoing description that the present invention provides; Said solenoid valve control circuit 5 comprises on-off circuit and the optocoupler of being made up of triode and resistance, and said governor circuit 1 is controlled said on-off circuit through optocoupler, and said on-off circuit inserts in the said gas valve body.Wherein Fig. 9 is left solenoid valve control circuit, by resistance R 58, R59, R60, R61, and diode D20, triode Q8, Q9 and light idol IC6, said main control chip IC1 is connected with triode Q8 through optocoupler IC6, thereby controls the break-make of left magnetic valve L2.Figure 10 is right solenoid valve control circuit, by resistance R 54, R55, R56, R57, and diode D19, triode Q6, Q7 and light idol IC7, said main control chip IC2 is connected with triode Q6 through optocoupler IC7, thereby controls the break-make of right magnetic valve L1.
Referring to Fig. 7; In the foregoing description that the present invention provides; Said governor circuit 1 also is connected with warning circuit 9, and said warning circuit 9 comprises the switch triode Q2 of the said buzzer BEEP1 work of buzzer BEEP1 and control, and said switch triode Q2 is connected with said governor circuit.Said warning circuit comprises resistance R 12, R30, diode D2, D3, D8, D22, D23, and triode Q2, buzzer BEEP1, main control chip IC1, IC2 are connected on this warning circuit.When burner was flame-out, main control chip IC1, IC2 sent alarm signal, and warning circuit is reported to the police, and reminded the user, and cut off magnetic valve simultaneously.
Referring to Figure 13; In the foregoing description that the present invention provides; Said gas flow testing circuit 2 comprises adjustable potentiometer 21 and the testing circuit that is connected with said potentiometer 21; The middle part of said potentiometer 21 is provided with hollow axle 22, and said hollow axle 22 is sleeved on the valve rod 101 of gas valve body 10, and valve rod 101 drives said hollow axle 22 and rotates; The movable contact that said hollow axle 22 drives in the said potentiometer 21 rotates, and the housing of said potentiometer 21 is fixed on the body of said gas valve body 10.The present invention has adopted the potentiometer with hollow axle to replace traditional gas flow sensor; Said potentiometer is a high accuracy hollow axle potentiometer; Its output resistance changes with the position of central rotating shaft; The output resistance relative variation is no more than 5 percent in 0-100 ℃ of scope, can satisfy the requirement of kitchen range to sampling precision.Under the prerequisite that guarantees the sampling accuracy; To compare low price a lot of with traditional gas flow sensor for potentiometer, as long as five hexa-atomic one, and install quite convenient; Need not do big change, only need to be enclosed within central shaft hole on the valve rod of valve body just passable existing kitchen range structure.Traditional high-precision gas flow sensor price is one of dozens of yuan at least; Better one in the hundreds of unit that wants, two burners of kitchen range need two sensors; So the cost of optical sensor will one or two hundred yuan, these kitchen range for one or two thousand yuan of market price are difficult to bear.Traditional in addition gas flow sensor will be placed in the gas-cooker gas path pipe, will in original gas circuit of sealing, open a mouth when installing like this and put in sensor, is fixed in the pipeline again, trouble so not only is installed but also has stayed the hidden danger of leaking gas.And the potentiometer that adopts transmission mechanism to carry out transmission, the driving error of its transmission mechanism is too big, and receives the influence of gas-cooker working environment, and accuracy is very poor.
Referring to Fig. 5, in the foregoing description that the present invention provides, said left gas flow testing circuit 2 comprises pull-up resistor R5 and filter capacitor C6; Said pull-up resistor R5 one end connects power supply, and an other end connects 2 pin of said potentiometer 21, and 1 pin of said potentiometer 21 is unsettled; 3 pin ground connection; The end of said filter capacitor C6 connects 2 pin of said potentiometer, other end ground connection, and the 2 pin output signal of said potentiometer is to said main control chip IC1.Referring to Fig. 6, said right gas flow testing circuit pull-up resistor R23 and filter capacitor C14, said pull-up resistor R23 one end connects power supply; An other end connects 2 pin of said potentiometer; 1 pin of said potentiometer is unsettled, 3 pin ground connection, and the end of said filter capacitor C14 connects 2 pin of said potentiometer; Other end ground connection, the 2 pin output signal of said potentiometer is to said main control chip IC2.The present invention only needs a filter capacitor parallel connection to connect a pull-up resistor more just can to sample, and circuit is simple, so all be that capacitance-resistance property element antijamming capability is strong.
The present invention carries out an amount of air blast in gas-cooker inside to burner according to the variation of gas flow; Inner like this air just can guarantee the abundant burning of combustion gas; No longer need auxiliary air, just can pan fall enough low, thereby reduced radiant heat loss to ambient air; Bring up to efficiency of combustion more than 65%, it is energy-conservation more than 20% to compare common kitchen range.
Referring to Figure 12, in the foregoing description that the present invention provides, said firing circuit 7 comprises high-tension coil, the oscillator that boosts, voltage-stabiliser tube, controllable silicon and the resistance that matches, electric capacity, diode and triode.Said left firing circuit comprises resistance R 62, R63, R64, R65, R66, R72, R73, R74, R76, R77; Diode D19, D20, D21, D25, D26, D29, D30, D32, D34; Capacitor C 26, C28, C29, C30, C31, triode Q10, Q11, Q12, Q16, controllable silicon Q17; Voltage-stabiliser tube A11, the oscillator T2 that boosts, high-tension coil L1.Wherein the common port of R62, R64, D19, D21 input 5V voltage is exported high-voltage pulse by L1.Said right firing circuit comprises resistance R 67, R68, R69, R70, R71, R72, R73, R75, R78, R79; Diode comprises D22, D23, D24, D27, D28, D31, D33, D35; Capacitor C 27, C28, C29, C30, C31; Triode Q13, Q14, Q15, Q16, controllable silicon Q18, voltage-stabiliser tube A11, high pressure oscillator T2, high-tension coil L2.Wherein the common port of R67, R69, D22, D24 input 5V voltage is exported high-voltage pulse by L2.The identical vigour part that the left-right dots ignition circuit is comprised is two circuit common sparings.Press after the inductive switch, the high-voltage pulse of corresponding 3 seconds kinds of firing circuit output will be exported high voltage pulse next time and must reset switch earlier and press down again more at every turn.
Referring to Fig. 8, in the foregoing description that the present invention provides, said power circuit 8 is regular tap power supply output 12V, two groups of voltages of 5V, links 2 pin of left and right sides microswitch respectively.Said microswitch has auto-lock function, and the 1-3 pin is communicated with when not pressing switch, the 2-3 pin breaks off, and presses that the 2-3 pin is communicated with behind the switch, the 1-3 pin breaks off.Switch will remain closure state after pressing at every turn, when it being resetted, just break off next time.Said power circuit 8 provides power supply to above-mentioned each circuit.
Claims (10)
1. blowing type gas kitchen range; Comprise body, be installed in burner, gas valve body, the control circuit on the said body and be installed in blower fan on the said burner; It is characterized in that: said control circuit comprises governor circuit, the gas flow testing circuit that is connected with said governor circuit respectively, air quantity control circuit, flame detecting circuit, solenoid valve control circuit, air quantity adjustment memory circuit, firing circuit and power circuit
Said body is provided with air quantity and adjusts button, and said air quantity adjustment makes ventilation be suitable for mutually with combustion gas quality by the ventilation of the said blower fan of key control, the rotating speed of said air quantity adjustment memory circuitry stores said blower fan at this moment, and as reference rotation speed,
Said gas flow testing circuit transfers to the gas flow signal in the said governor circuit; Said governor circuit produces the air quantity control signal according to the reference rotation speed of gas flow signal and said air quantity adjustment memory circuitry stores; And the air quantity control signal transferred in the said air quantity control circuit; Said air quantity control circuit is controlled the rotating speed of said blower fan
Said flame detecting circuit transfers to the flare up fire that detects in the said governor circuit; Said governor circuit produces make-and-break signal according to flare up fire; And make-and-break signal transferred in the said solenoid valve control circuit, said solenoid valve control circuit is controlled said gas valve body break-make.
2. a kind of blowing type gas kitchen range as claimed in claim 1 is characterized in that: said air quantity control circuit is the PWM frequency changer circuit.
3. a kind of blowing type gas kitchen range as claimed in claim 1, it is characterized in that: the Huo Gaichu of said burner is provided with ion probe, and said ion probe is connected with said flame detecting circuit.
4. a kind of blowing type gas kitchen range as claimed in claim 3; It is characterized in that: said flame detecting circuit comprises amplifier, optocoupler, triode and the resistance that matches, electric capacity; The detected flare up fire of said ion probe is sent in the said amplifier through resistance, electric capacity, after said amplifier is handled, transfers to said governor circuit through said optocoupler.
5. a kind of blowing type gas kitchen range as claimed in claim 1; It is characterized in that: said air quantity adjustment memory circuit comprises storage chip and the resistance that matches with said storage chip; The said memory chip stores flow rotating speed table of comparisons; Said air quantity adjustment button can upgrade the flow rotating speed table of comparisons in the said storage chip, and said storage chip offers said governor circuit with the flow rotating speed table of comparisons of storage.
6. a kind of blowing type gas kitchen range as claimed in claim 1; It is characterized in that: said gas flow testing circuit comprises adjustable potentiometer and the testing circuit that is connected with said potentiometer; The middle part of said potentiometer is provided with hollow axle, and said hollow axle is sleeved on the valve rod of gas valve body, and valve rod drives said hollow axle and rotates; The movable contact that said hollow axle drives in the said potentiometer rotates, and the housing of said potentiometer is fixed on the body of said gas valve body.
7. a kind of blowing type gas kitchen range as claimed in claim 6, it is characterized in that: said testing circuit comprises pull-up resistor and filter capacitor, said pull-up resistor one end connects power supply; An other end connects 2 pin of said potentiometer; 1 pin of said potentiometer is unsettled, 3 pin ground connection, and an end of said filter capacitor connects 2 pin of said potentiometer; Other end ground connection, the 2 pin output signal of said potentiometer is to said governor circuit.
8. a kind of blowing type gas kitchen range as claimed in claim 1; It is characterized in that: said governor circuit also is connected with warning circuit; Said warning circuit comprises the switch triode of buzzer and the said buzzer work of control, and said switch triode is connected with said governor circuit.
9. a kind of blowing type gas kitchen range as claimed in claim 1 is characterized in that: said firing circuit comprises high-tension coil, the oscillator that boosts, voltage-stabiliser tube, controllable silicon and the resistance that matches, electric capacity, diode and triode.
10. a kind of blowing type gas kitchen range as claimed in claim 1; It is characterized in that: said solenoid valve control circuit comprises on-off circuit and the optocoupler of being made up of triode and resistance; Said governor circuit is controlled said on-off circuit through optocoupler, and said on-off circuit inserts in the said gas valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102751149A CN102384495B (en) | 2010-09-03 | 2010-09-03 | Air blowing type gas stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102751149A CN102384495B (en) | 2010-09-03 | 2010-09-03 | Air blowing type gas stove |
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| CN102384495A true CN102384495A (en) | 2012-03-21 |
| CN102384495B CN102384495B (en) | 2013-12-11 |
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| CN2010102751149A Active CN102384495B (en) | 2010-09-03 | 2010-09-03 | Air blowing type gas stove |
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Cited By (6)
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| CN103322600A (en) * | 2013-06-25 | 2013-09-25 | 无锡商业职业技术学院 | Intelligent controller for gas cooker |
| CN103900122A (en) * | 2014-03-06 | 2014-07-02 | 宁波方太厨具有限公司 | Control method of active air inlet gas stove |
| 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 |
| CN105222175A (en) * | 2015-10-30 | 2016-01-06 | 广州惠远电子有限公司 | Gas-cooker intelligence control system |
| CN108050513A (en) * | 2017-12-05 | 2018-05-18 | 湖北中瑞天恒节能科技发展有限公司 | A kind of burner and gas-cooker |
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| CN103900122A (en) * | 2014-03-06 | 2014-07-02 | 宁波方太厨具有限公司 | Control method of active air inlet gas stove |
| CN103900122B (en) * | 2014-03-06 | 2016-06-29 | 宁波方太厨具有限公司 | The actively control method of air intake gas-cooker |
| 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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| CN108451370A (en) * | 2018-04-12 | 2018-08-28 | 无锡市启山林科技有限公司 | Commercial gas premixes ratio control energy-saving steam cabinet and its control method entirely |
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