CN110454819A - A kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system - Google Patents
A kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system Download PDFInfo
- Publication number
- CN110454819A CN110454819A CN201910887783.2A CN201910887783A CN110454819A CN 110454819 A CN110454819 A CN 110454819A CN 201910887783 A CN201910887783 A CN 201910887783A CN 110454819 A CN110454819 A CN 110454819A
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- China
- Prior art keywords
- combustion gas
- stove
- stir
- intelligent machine
- puts out
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/10—Arrangement or mounting of ignition devices
- F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention discloses a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition and puts out insurance system, and fuel gas pipeline is connected to stove to provide combustion gas, the lighting valve for controlling its access size is arranged on fuel gas pipeline, the number of air demand adjusted；Ignition electrode of the setting for igniting on stove, electric-control system realize igniting by ignition electrode and lighting valve, and lighting valve is supplied to stove, and opens ignition electrode, and the combustion gas being discharged from stove is lighted；Thermistor for monitoring stove fire temperature is set on stove, stove fire temperature difference can make thermistor generate different electromotive force signals, the electromotive force signal of electric-control system reception thermistor, and judge whether to stop working, lighting valve is controlled when flame-out to close, stop supplying combustion gas to stove, avoid combustion gas leakage when flame-out, guarantees using safe.
Description
Technical field
The present invention relates to kitchen utensils technical field, further relates to a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition and put out guarantor
System.
Background technique
When cooking cooking, most people selects gas-cooker, and the control of gas-cooker needs artificial adjusting air demand size, fries
Firepower adjusting needs the moment manually to manipulate and monitor during dish, is otherwise easy to be burned or firepower is insufficient, influence into the appearance of dish
And mouthfeel；Possible bursty state causes fray-out of flame during cooking, and flame can not be found in time by frying pan blocking, flame
Combustion gas still persistently supply discharge, gas supply can not be cut off when combustion gas is surprisingly extinguished, easily leads to danger when unexpected extinguishing.
For those skilled in the art, how gas supply to be automatically closed in fray-out of flame, is to need to solve at present
The technical issues of.
Summary of the invention
The present invention provides a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition and puts out insurance system, and lighting valve is controlled when flame-out and is closed,
Stop supplying combustion gas to stove, concrete scheme is as follows:
A kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system, including fuel gas pipeline, and the fuel gas pipeline is connected to gas source
With stove to provide combustion gas；
The solenoid valve of lighting valve and control gas path on-off for controlling gas circuit size is set on the fuel gas pipeline；
Thermistor of the setting for the ignition electrode of igniting and for monitoring stove fire temperature on the stove；
Ignition electrode described in electric control system controls, the lighting valve and the solenoid valve realize igniting；The electric-control system connects
The electromotive force signal of the thermistor is received, and judges whether to stop working, the lighting valve and the solenoid valve are controlled when flame-out
It closes.
It optionally, further include close to switch and metal frizzen, the frizzen can be opened close to or far from described approach
It closes；
The movement of the metal frizzen is synchronous with the movement of the lighting valve, when the metal frizzen connects described in
Nearly switch apart from it is nearest when, the lighting valve is in zero point.
Optionally, the frizzen is driven by rotating driver and is rotated；The length direction of the frizzen and the rotation
The shaft of driver is vertical；
The rotating driver rotation controls the access size of the lighting valve.
Optionally, the fuel gas pipeline is connected by two pipelines with the stove, and flame circle and flame envelope circle supply respectively inwards
Gas.
Optionally, the lighting valve is connected to the bottom of cooktop panel by the channel-shaped fixed frame in U-typed bending.
Optionally, the I/O mouth connection photoelectrical coupler of the electric-control system, firing circuit are connected to the photoelectric coupling
Device.
Optionally, the firing circuit includes the resistance R and N-channel MOS pipe for being connected to the photoelectrical coupler, the N
Channel MOS tube connects DC relay, generates grid voltage by the grid of the N-channel field-effect tube Q and controls the direct current
The normally opened contact K of relay is closed.
Optionally, the thermistor is connected to the AD conversion interface of the electric-control system by in-phase amplifier.
The present invention provides a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition and puts out insurance system, and fuel gas pipeline is connected to stove to provide
Combustion gas the lighting valve for controlling its access size is arranged on fuel gas pipeline, the number of air demand adjusted；It is arranged on stove and uses
In the ignition electrode of igniting, electric-control system realizes igniting by ignition electrode and lighting valve, and lighting valve is supplied to stove, and opens igniting
Needle lights the combustion gas being discharged from stove；Thermistor for monitoring stove fire temperature is set on stove, and stove fire temperature is not
With thermistor can be made to generate different electromotive force signals, electric-control system receives the electromotive force signal of thermistor, and judgement is
It is no flame-out, lighting valve is controlled when flame-out and is closed, and is stopped supplying combustion gas to stove, is avoided combustion gas leakage when flame-out, guarantee to make
With safety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A and Figure 1B is respectively that intelligent machine for stir-frying dishes combustion gas automatic ignition puts out showing for visual angle and lower section visual angle above insurance system
It is intended to；
Fig. 2 is the schematic diagram of internal structure that intelligent machine for stir-frying dishes combustion gas automatic ignition puts out that insurance system removes shell；
Fig. 3 A is the frizzen distance status diagram nearest close to the position of the switch；
Fig. 3 B is that frizzen deviates the status diagram close to switch；
Fig. 4 is the circuit structure diagram that intelligent machine for stir-frying dishes combustion gas automatic ignition provided by the invention puts out insurance system.
Include: in figure
Fuel gas pipeline 1, stove 2, ignition electrode 21, thermistor 22, lighting valve 3, close switch 4, frizzen 5, rotation are driven
Dynamic device 51, fixed frame 6, cooktop panel 7.
Specific embodiment
Core of the invention is to provide a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition and puts out insurance system, control point when flame-out
Fiery valve is closed, and stops supplying combustion gas to stove.
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing and specifically
Embodiment, insurance system is put out to intelligent machine for stir-frying dishes combustion gas automatic ignition of the invention, explanation is described in detail.
The present invention provides a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition and puts out insurance system, and Figure 1A and Figure 1B are respectively intelligent cooking
Machine combustion gas automatic ignition puts out the schematic diagram at visual angle and lower section visual angle above insurance system；Fig. 2 is intelligent machine for stir-frying dishes combustion gas automatic ignition
Put out the schematic diagram of internal structure of insurance system removal shell；The system includes fuel gas pipeline 1, and fuel gas pipeline 1 is hollow pipeline, combustion
Air pipe 1 is connected to gas source and stove 2 to provide combustion gas, and one end of fuel gas pipeline 1 is connected to gas source, and the other end is connected to stove 2,
At the fuel gas transmission of gas source to stove 2, burning is realized at stove 2.
The solenoid valve of lighting valve 3 and control gas path on-off for controlling gas circuit size is set on fuel gas pipeline 1；Solenoid valve
Opening can fully open gas circuit, and solenoid valve closing can completely close gas circuit, and solenoid valve does not indicate in figure, the opening and closing of solenoid valve by
Electric-control system manipulation.Lighting valve 3 is used to control the aperture of fuel gas pipeline 1, the gas flow in fuel gas pipeline 1 is controlled, to change
Become the size of flame, then flame is big greatly for the aperture of lighting valve 3, and the small then flame of aperture is accordingly small.
Thermistor 22 of the setting for the ignition electrode 21 of igniting and for monitoring stove fire temperature on stove 2；Ignition electrode 21
It is respectively positioned on by gas outlet with thermistor 22, ignition electrode 21 can produce electric spark by electric control system controls when being powered on
It ignites combustion gas；Thermistor 22 is close to flame, and for incuding the temperature of flame, its resistance value of temperature difference is different, resistance value difference shadow
Its electromotive force is rung, detects temperature using the variation of its resistance value.
Electric control system controls ignition electrode 21, lighting valve 3 and solenoid valve realize igniting；When igniting, control solenoid valve is opened, and is made
Combustion gas in gas source enters fuel gas pipeline 1, and lighting valve 3 is accordingly opened, and lighting valve 3 is maintained at most in the sparking stage under normal conditions
Big aperture makes flame reach maximum, convenient for lighting combustion gas；Ignition electrode 21 works while combustion gas is discharged, and generating electric spark makes
Combustion gas is ignited generation flame, completes ignition operation；Entire ignition operation is completed by the automatically controlled instruction of electric control system controls, is not required to
Manual rotation's lighting valve in traditional structure is wanted to strike sparks, the degree of automation is higher.
Electric-control system can receive the electromotive force signal of thermistor 22, and judge whether to stop working, and igniting is controlled when flame-out
Valve 3 and solenoid valve are closed.When normal combustion, thermistor 22 is maintained at higher electromotive force, when the flame of gas-cooker is due to certain
When kind of reason is surprisingly extinguished, the rapid decrease of 22 electromotive force of thermistor will cause, when CPU judges thermocouple rapid decrease,
When not receiving the instruction for closing combustion gas simultaneously, that is, it is judged as that combustion gas is surprisingly extinguished, controls lighting valve 3 and solenoid valve is closed,
Guarantor's operation is put out in completion；It entirely puts out guarantor's operation to be completed by electric control operation, does not need human intervention, ensure that the safety that combustion gas uses.
On the basis of above scheme, it further includes close open that intelligent machine for stir-frying dishes combustion gas automatic ignition of the invention, which puts out insurance system,
Close 4 and metal frizzen 5, frizzen 5 can close to or far from close to switch 4, when metal frizzen 5 apart from approach switch 4 away from
From it is nearest when, lighting valve 3 is in zero point, its aperture is minimum when the zero point of lighting valve 3, while solenoid valve remains turned-off.Metal touching
The movement for sending out bar 5 is synchronous with the movement of lighting valve 3, is can trigger when metal frizzen 5 is close proximity to switch 4 close to switch 4, table
Show that lighting valve 3 is in dead-center position, the state of lighting valve 3 is judged by whether being triggered close to switch 4, when flame-out, if connecing
Nearly switch 4 is not triggered, indicates lighting valve 3 not in dead-center position, electric control system controls lighting valve 3 returns to zero point.
Preferably, the present invention provides the control structure of a kind of frizzen 5 and lighting valve 3 herein, and rotating driver 51 rotates
Control the access size of lighting valve 3；The forms such as stepper motor can be used in rotating driver 51, and frizzen 5 is by rotating driver 51
Rotation is driven, the length direction of frizzen 5 is vertical with the shaft of rotating driver 51；Frizzen 5 is connected to rotation by connector sleeve
Turn the output shaft of driver 51, rotating driver 51 can drive frizzen 5 to rotate, and as shown in Figure 3A, indicate that 5 distance of frizzen connects
The nearest status diagram in nearly 4 position of switch, lighting valve 3 is in dead-center position at this time；As shown in Figure 3B, indicate that frizzen 5 is inclined
From the status diagram close to switch 4, lighting valve 3 is not in dead-center position at this time；Pass through rotation control frizzen 5 and close switch
4, structure is simple, is easy to implement.
Certainly, in addition to this, the mode of linear motion can also be used close to and far from close switch 4, these tools in frizzen 5
The setting form of body should be all included within protection scope of the present invention.
As shown in Figure 3A and Figure 3B, fuel gas pipeline 1 is connected by two pipelines with stove 2, and fuel gas pipeline 1 passes through a list
Only piping connection gas source, by two independent piping connections in stove 2, flame circle and flame envelope circle are supplied respectively inwards on two root canal roads
Gas.
Lighting valve 3 is connected to the bottom of cooktop panel 7 by the channel-shaped fixed frame 6 in U-typed bending；It is fixed close to switch 4
On the side wall of fixed frame 6, frizzen 5 is located within the groove structure of fixed frame 6, is convenient for integrated installation.
As shown in figure 4, putting out the circuit structure diagram of insurance system for intelligent machine for stir-frying dishes combustion gas automatic ignition provided by the invention；In
On the basis of any of the above-described technical solution and its intercombination, the I/O mouth connection photoelectrical coupler of electric-control system, point in the present invention
Ignition circuit is connected to photoelectrical coupler.Photoelectrical coupler plays buffer action, prevents the frequent movement contact due to DC relay
The electric arc reverse impact electric-control system cpu chip of generation, causes its damage.
Firing circuit includes the resistance R and N-channel MOS pipe for being connected to photoelectrical coupler, N-channel MOS pipe connect direct current after
Electric appliance generates the normally opened contact K closure that grid voltage controls DC relay by the grid of N-channel field-effect tube Q.
Thermistor 22 is connected to the AD conversion interface of electric-control system by in-phase amplifier, and in-phase amplifier is digitally
+ 24V the driver of GND and N-channel MOS pipe 24VGND be isolated, also for prevent dash current seal in digitally, do
Disturb thermocouple temperature sensor weak signal transmission even damage electric-control system cpu chip.
Ignition principle is as follows: electric-control system cpu chip makes photoelectrical coupler generate input electricity by dragging down I/O mouthfuls of level
Stream can also generate electric current in output end, then by resistance R, the grid of N-channel field-effect tube Q is made to generate grid by photoelectric effect
Pole tension, when grid voltage meets the condition of Q conducting, Q conducting, DC relay J coil has electric current to pass through, the normally opened touching of J
Point K closure.When two end of gas kitchen range knob switch wire connection is connected to the both ends K, equal to rotary switch is closed, ignition electrode at this time
Generate pulsation high tension spark.When electric-control system cpu chip makes switch rotary by rotaty step motor, combustion gas passes through igniting
Needle, combustion gas is ignited at this time.
It is as follows that combustion gas automatic extinguishing protects principle: the principle of thermistor is the homogeneous conductor forming circuit of two kinds of heterogeneities,
And when both ends are there are when the temperature difference, electric current will be generated in circuit, and electromotive force will be generated at both ends, utilize thermistor
The electromotive force that principle generates is passive electrical kinetic potential, and the size of electromotive force is only related with thermocouple conductive material and temperature difference between the two ends.
When gas-cooker is not lighted a fire, thermocouple temperature difference between the two ends are zero, and both ends electromotive force is zero.After the work of cooking stove normal ignition, thermoelectricity
Even both ends, which can generate, reaches as high as tens millivolts of electromotive force, then is amplified by signal amplifier, into electric-control system cpu chip
AD conversion interface, formed work normally when scale of thermometer definite value.
When the flame of gas-cooker surprisingly extinguishes for some reason, the rapid decrease of thermocouple electromotive force will cause.Cause
This judges thermocouple rapid decrease as electric-control system CPU, while when not receiving the instruction for closing combustion gas, that is, being judged as combustion
Gas surprisingly extinguishes, and electric-control system CPU is driven in the reverse direction stepper motor at once at this time, closes lighting valve and solenoid valve, plays combustion gas meaning
Outer extinguishing protective effect.Electric-control system CPU continuously carries out thermo-electric couple temperature data with the rate of 10 times/second or more and adopts
Collection once monitoring that rapid decrease phenomenon occurs within the unit time (less than 2 seconds) for electric thermo-couple temperature, and does not receive closing combustion
It will be driven at once when the instruction of gas and put out insurance system unlatching, turn off gas valve.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (8)
1. a kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system, which is characterized in that including fuel gas pipeline (1), the combustion gas
Pipeline (1) is connected to gas source and stove (2) to provide combustion gas；
Lighting valve (3) for controlling gas circuit size is set on the fuel gas pipeline (1) and controls the solenoid valve of gas path on-off；
Thermistor (22) of the setting for the ignition electrode (21) of igniting and for monitoring stove fire temperature on the stove (2)；
Ignition electrode described in electric control system controls (21), the lighting valve (3) and the solenoid valve realize igniting；The electric-control system
The electromotive force signal of the thermistor (22) is received, and judges whether to stop working, the lighting valve (3) and institute are controlled when flame-out
State solenoid valve closing.
2. intelligent machine for stir-frying dishes combustion gas automatic ignition according to claim 1 puts out insurance system, which is characterized in that further include approaching
(4) and metal frizzen (5) are switched, the frizzen (5) can be close to or far from described close to switch (4)；
The movement of the metal frizzen (5) is synchronous with the movement of the lighting valve (3), when metal frizzen (5) distance
It is described close to switch (4) apart from it is nearest when, the lighting valve (3) is in zero point.
3. intelligent machine for stir-frying dishes combustion gas automatic ignition according to claim 2 puts out insurance system, which is characterized in that the frizzen
(5) it is driven and is rotated by rotating driver (51)；The length direction of the frizzen (5) and the shaft of the rotating driver (51)
Vertically；
Rotating driver (51) rotation controls the access size of the lighting valve (3).
4. intelligent machine for stir-frying dishes combustion gas automatic ignition according to claim 3 puts out insurance system, which is characterized in that the fuel gas conduit
Road (1) is connected by two pipelines with the stove (2), respectively inwards flame circle and flame envelope circle gas supply.
5. intelligent machine for stir-frying dishes combustion gas automatic ignition according to claim 4 puts out insurance system, which is characterized in that the lighting valve
(3) bottom of cooktop panel (7) is connected to by the channel-shaped fixed frame (6) in U-typed bending.
6. intelligent machine for stir-frying dishes combustion gas automatic ignition according to any one of claims 1 to 5 puts out insurance system, which is characterized in that
The I/O mouth connection photoelectrical coupler of the electric-control system, firing circuit are connected to the photoelectrical coupler.
7. intelligent machine for stir-frying dishes combustion gas automatic ignition according to claim 6 puts out insurance system, which is characterized in that the ignition power
Road includes the resistance R and N-channel MOS pipe for being connected to the photoelectrical coupler, and the N-channel MOS pipe connects DC relay, is led to
The grid for crossing the N-channel field-effect tube Q generates the normally opened contact K closure that grid voltage controls the DC relay.
8. intelligent machine for stir-frying dishes combustion gas automatic ignition according to claim 7 puts out insurance system, which is characterized in that the temperature-sensitive electricity
Resistance (22) is connected to the AD conversion interface of the electric-control system by in-phase amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887783.2A CN110454819A (en) | 2019-09-19 | 2019-09-19 | A kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887783.2A CN110454819A (en) | 2019-09-19 | 2019-09-19 | A kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454819A true CN110454819A (en) | 2019-11-15 |
Family
ID=68492358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910887783.2A Pending CN110454819A (en) | 2019-09-19 | 2019-09-19 | A kind of intelligent machine for stir-frying dishes combustion gas automatic ignition puts out insurance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454819A (en) |
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2019
- 2019-09-19 CN CN201910887783.2A patent/CN110454819A/en active Pending
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