CN106152186A - Nozzle structure, gas stove and gas and air ratio adjusting method - Google Patents
Nozzle structure, gas stove and gas and air ratio adjusting method Download PDFInfo
- Publication number
- CN106152186A CN106152186A CN201610658347.4A CN201610658347A CN106152186A CN 106152186 A CN106152186 A CN 106152186A CN 201610658347 A CN201610658347 A CN 201610658347A CN 106152186 A CN106152186 A CN 106152186A
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- air
- nozzle
- flow
- adjusting means
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims description 79
- 239000000567 combustion gas Substances 0.000 claims description 46
- 239000003034 coal gas Substances 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 8
- 208000024891 symptom Diseases 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910017435 S2 In Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/027—Regulating fuel supply conjointly with air supply using mechanical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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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 invention discloses a nozzle structure, a gas stove and a method for adjusting the proportion of gas and air, wherein the nozzle structure comprises a nozzle (11), a stove head (1) and an air flap (4) positioned between the nozzle (11) and the stove head (1), and further comprises the following steps: the first adjusting device is arranged on the air flap (4) and is used for adjusting the air inlet volume of the air flap (4); the gas detection device is arranged in the nozzle (11) and is used for detecting the gas flow of the gas inlet of the nozzle (11); and the gas detection device to be burnt is arranged in the furnace end (1) and is used for detecting the flow of the gas to be burnt. The nozzle structure provided by the invention improves the combustion quality and the combustion efficiency.
Description
Technical field
The present invention relates to kitchen tool apparatus technical field, particularly relate to a kind of nozzle arrangements, gas-cooker and combustion gas and air
Aspect ratio adjusting method.
Background technology
At present, the gas-distributing pipe tail end of gas-cooker connects nozzle, and nozzle is connected with burner, and combustion gas passes through Flow in Nozzle to stove
Head.In order to increase air, in order to combustion gas and air mixing after-combustion,
Having crosswind hole on nozzle, the combustion gas entering nozzle mixes with the air being entered nozzle by crosswind hole, is formed middle
Mixed gas；Nozzle is connected with burner by air flap, and air flap is provided with rotation air door, rotates air door and wind by regulation
The relative position of door sheet reaches regulation and enters the air mass flow of burner, middle mixed gas with by the group rotating air door and air flap
Close structure and enter the air mixing of burner, form gas to be combusted.
At present, during the mixed proportion of the combustion gas in regulating gas to be combusted and air, it is often necessary to manually adjust
Joint rotates air door, reaches to regulate the method by rotating the air mass flow that the air door combinative structure with air flap enters burner and adjusts
Joint.In the process, it is only capable of by observing flame conditions, artificial judgement fuel efficiency situation, it is impossible to ensure good burning quality
And efficiency of combustion.
Therefore, how to improve burning quality and efficiency of combustion, be that those skilled in the art are presently required the technology of solution and ask
Topic.
Summary of the invention
It is an object of the invention to provide a kind of nozzle arrangements, to improve burning quality and efficiency of combustion.The present invention also carries
A kind of gas-cooker and combustion gas and AIR Proportional control method are supplied.
For solving above-mentioned technical problem, a kind of nozzle arrangements that the present invention provides, including nozzle, burner and be positioned at described spray
Air flap between mouth and described burner, also includes:
It is arranged on described air flap, for regulating the first adjusting means of the intake of described air flap；
It is arranged in described nozzle, for detecting the coal gas detection device of the gas flow of described nozzle air inlet；
It is arranged in described burner, for detecting the gas-detecting device to be combusted of gas flow to be combusted.
Preferably, in said nozzle structure, described first adjusting means includes rotating air door.
Preferably, in said nozzle structure, described first adjusting means also includes the wind driving described rotation air door to rotate
Door drive.
Preferably, in said nozzle structure, described first adjusting means also includes rotating gear, and described rotation air door has
The gear teeth structure engaged with described rotation gear；
Described door driving device drives described rotation pinion rotation.
Preferably, in said nozzle structure, described door driving device is fixed on described air flap；
The drive end of described door driving device through described air flap and is connected with described rotation gear.
Preferably, in said nozzle structure, also include and described door driving device, described coal gas detection device and described
The coarse adjustment control unit of gas-detecting device to be combusted communication connection；
As △ Q ＜ Q, described coarse adjustment control unit controls described door driving device and regulates described rotation air door, increases
The intake of described air flap；
As △ Q ＞ Q, described coarse adjustment control unit controls described door driving device and regulates described rotation air door, reduces
The intake of described air flap；
Wherein, △ Q=Q3-Q1；
Q3 is the gas flow initial to be combusted of described gas-detecting device to be combusted detection；
Q1 is the gas flow of described coal gas detection device detection；
Q is the optimum air mass flow drawn according to gas flow Q1.
Preferably, in said nozzle structure, described coal gas detection device and/or described gas-detecting device to be combusted are super
Acoustic wave flow meter.
Preferably, in said nozzle structure, also include being arranged on the crosswind hole of described nozzle, be used for regulating described crosswind
Second adjusting means of the intake in hole.
Preferably, in said nozzle structure, described second adjusting means includes for regulating described crosswind hole opening degree
Slide block.
Preferably, in said nozzle structure, described second adjusting means also includes that the slide block driving described slide block to slide drives
Dynamic component.
Preferably, in said nozzle structure, also include and described slider-actuated parts, described coal gas detection device and described
The accurate adjustment control unit of gas-detecting device to be combusted communication connection；
As △ Q ' ＜ Q, described accurate adjustment control unit controls described slider-actuated parts and regulates described slide block, increases described
The intake in crosswind hole；
As △ Q ' ＞ Q, described accurate adjustment control unit controls described slider-actuated parts and regulates described slide block, reduces described
The intake in crosswind hole；
Wherein, △ Q '=Q3 '-Q1；
Q3 ' is the most to be combusted of described gas-detecting device to be combusted detection after described first adjusting means completes to regulate
Gas flow；
Q1 is the gas flow of described coal gas detection device detection；
Q is the optimum air mass flow drawn according to gas flow Q1.
Preferably, in said nozzle structure, also include being arranged in described nozzle, be used for detecting middle mixed gas flow
Middle gas detection device.
Preferably, in said nozzle structure, described middle gas detection device is ultrasonic flowmeter.
Present invention also offers a kind of gas-cooker, including nozzle arrangements, described nozzle arrangements is described in any of the above-described item
Nozzle arrangements.
Preferably, in above-mentioned gas-cooker, also include and described coal gas detection device and described gas-detecting device to be combusted
Communication connection, for showing the display of combustion gas and AIR Proportional.
Present invention also offers a kind of combustion gas and AIR Proportional control method, including step:
1) detection gas flow Q1 and gas flow Q3 to be combusted；
2) calculate air mass flow △ Q=Q3-Q1, △ Q is carried out with optimum air mass flow Q drawn according to gas flow Q1
Relatively；
As △ Q ＜ Q, increase intake；
As △ Q ＞ Q, reduce intake.
Preferably, above-mentioned combustion gas is with AIR Proportional control method, and described air mass flow △ Q includes the first combined air flow
Amount and the second mixing air flow, nozzle arrangements has the first adjusting means and the regulation regulating described first mixing air flow
Second adjusting means of described second mixing air flow；
Described step 2) in, carry out coarse adjustment by described first adjusting means, more described second adjusting means is carried out essence
Adjust.
Preferably, in above-mentioned combustion gas and AIR Proportional control method, described step 2) also include step 3 afterwards): output is adjusted
Combustion gas after joint and the mixed proportion of air.
The nozzle arrangements that the present invention provides, by the coal gas detection device being arranged in nozzle and treating of being arranged in burner
Burning gases detection device, can immediately arrive at gas flow and gas flow to be combusted, and then draw the flow of air.Logical
Cross above-mentioned data, in conjunction with situations such as the kind of combustion gas and local air pressure temperature, it can be deduced that optimum combustion gas and air ratio, and then
Go out optimum air mass flow Q.By regulating the first adjusting means, by the Flow-rate adjustment of air to optimum air mass flow Q, and then improve
Burning quality and efficiency of combustion.
Present invention also offers a kind of gas-cooker and combustion gas and AIR Proportional control method.Owing to said nozzle structure has
Above-mentioned technique effect, there is the gas-cooker of said nozzle structure and combustion gas also should have with AIR Proportional control method as skill
Art effect, tires out the most one by one at this and states.
Accompanying drawing explanation
Fig. 1 is the structural representation of nozzle arrangements provided by the present invention；
Fig. 2 is the partial schematic diagram of nozzle arrangements provided by the present invention；
Fig. 3 is the principle schematic of ultrasonic flowmeter provided by the present invention；
Fig. 4 is that the combustion gas of nozzle arrangements provided by the present invention flows to schematic diagram.
Detailed description of the invention
The core of the present invention is to provide a kind of nozzle arrangements, to improve burning quality and efficiency of combustion.The present invention also carries
A kind of gas-cooker and combustion gas and AIR Proportional control method are supplied.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.
As Figure 1-Figure 4, embodiments provide a kind of nozzle arrangements, including nozzle 11, burner 1 and be positioned at spray
Air flap 4 between mouth 11 and burner 1, also includes: be arranged on air flap 4, for the first of the intake of damper sheet 4
Adjusting means；It is arranged in nozzle 11, for detecting the coal gas detection device of the gas flow of nozzle 11 air inlet；It is arranged at stove
In 1, for detecting the gas-detecting device to be combusted of gas flow to be combusted.
The nozzle arrangements that the embodiment of the present invention provides, by the coal gas detection device being arranged in nozzle 11 and be arranged at stove
Gas-detecting device to be combusted in 1, can immediately arrive at gas flow and gas flow to be combusted, and then draw air
Flow.The situations such as kind, gas flow and the environmental factors in conjunction with combustion gas, it can be deduced that optimum combustion gas and air ratio；And lead to
Cross above-mentioned data, and then draw optimum air mass flow Q.By regulating the first adjusting means, by the Flow-rate adjustment of air to optimum
Air mass flow Q, and then improve burning quality and efficiency of combustion.
Wherein, being directly delivered to the gas of nozzle 11 by gas-distributing pipe tail end is combustion gas.Have crosswind hole on nozzle, enter spray
The combustion gas of mouth and the air being entered nozzle by crosswind hole are mixed to form middle mixed gas.Middle mixed gas with by rotating air door
The air entering burner with the combinative structure of air flap is mixed to form gas to be combusted.
In the present embodiment, the first adjusting means includes rotating air door 5.As shown in Figures 1 and 2, air flap 4 passes through screw
Being fixed on burner 1, nozzle 11 is connected with air flap 4 and burner 1 by screw thread；Rotate air door 5 rotation to be arranged on nozzle 11,
It is arranged with on nozzle 11 and will rotate the compression spring that air door 5 compresses to air flap 4.By rotating the air door 5 rotation on nozzle 11
Turning, the vent on regulation rotation air door 5 aligns with the perforate on air flap 4 and separates, and then the air intake of damper sheet 4
Amount.
Other kinds of air door can also be set, such as the tapered piston moved along the thickness direction of air flap 4, equally
Reach the effect of damper sheet 4 intake.
First adjusting means also includes driving rotating the door driving device 15 that air door 5 rotates.Drive by arranging air door
Device 15, the rotation of self-regulating rotary wind symptom door 5, and then improve the control accuracy of air flap 4 intake.Can also use manually
Drive, be no longer discussed in detail at this.
For the ease of rotating being in transmission connection between air door 5 and door driving device 15, the first adjusting means also includes turning
Moving gear 14, rotates air door 5 and has and rotate the gear teeth structure that gear 14 engages；Door driving device 15 drives and rotates gear 14
Rotate.By arranging rotation gear 14, facilitate the layout of door driving device 15.
Further, door driving device 15 is fixed on air flap 4；The drive end of door driving device 15 passes air door
Sheet 4 is also connected with rotating gear 14.By above-mentioned setting so that rotate gear 14 rotation and be arranged on air flap 4, in order to
Rotate the gear teeth structure engagement of air door 5, improve compact type, be also convenient for the fixing of door driving device 15.
In the present embodiment, door driving device 15 is electric rotating machine.
Automatically controlling performance to improve, the nozzle arrangements that the embodiment of the present invention provides also includes and door driving device
15, coal gas detection device and the coarse adjustment control unit of gas-detecting device to be combusted communication connection；
As △ Q ＜ Q, coarse adjustment control unit controls door driving device 15 regulation and rotates air door 5, increases air flap 4
Intake；As △ Q ＞ Q, coarse adjustment control unit controls door driving device 15 regulation and rotates air door 5, reduces entering of air flap 4
Air quantity.By above-mentioned regulation so that △ Q is close to Q, and then makes Q3-Q1 close to Q.Optimum is equal to Q for △ Q.
As it is shown on figure 3, wherein, △ Q=Q3-Q1；Q3 is the gas flow to be combusted of gas-detecting device to be combusted detection；
Q1 is the gas flow of coal gas detection device detection；Q is the optimum air mass flow drawn according to gas flow Q1.
It is understood that can according to the environmental factorss such as gas families and local othermohygrometer formulate rational combustion gas with
The optimum mixed proportion of air, and these data are stored in coarse adjustment control unit.When coal gas detection device detects combustion gas stream
When amount is for Q1, draw the optimum mixed proportion of combustion gas and air according to environmental factorss such as gas families and local othermohygrometers, and
Optimum air mass flow Q is drawn according to optimum mixed proportion and Q1.
Preferably, coal gas detection device and/or gas-detecting device to be combusted are ultrasonic flowmeter.
Wherein, the operation principle of ultrasonic flowmeter is as follows:
As a example by coal gas detection device, it includes the first combustion gas diverter 9 and the second combustion gas diverter 10.As it is shown on figure 3,
The pipeline upper wall at coal gas detection device place is L to the distance of lower wall, the first combustion gas diverter 9 and 10 points of the second combustion gas diverter
It is not installed on the folder of pipeline upper wall and lower wall, the line between the first combustion gas diverter 9 and the second combustion gas diverter 10 and pipeline
Angle is α；
Calculate sound wave forward propagation time: T in gasSuitable=L/ [sin α (V+V0cosα))]；
Calculate sound wave forward propagation time: T in gasInverse=L/ [sin α (V-V0cosα))]；
Calculate gas flow rate V=L/sin α (1/TSuitable+1/TInverse)；
Calculate gas flow Q=π V (L/2)2。
Wherein, V is gas flow rate, V0Acoustic wave propagation velocity for ultrasonic flowmeter.Ultrasonic flowmeter can also be made
Use other computational methods, it is only necessary to guarantee to calculate gas flow.
In the present embodiment, coal gas detection device and gas-detecting device to be combusted are ultrasonic flowmeter.To be combusted
Gas-detecting device includes the first mixture gas diverter 2 and the second gaseous mixture diverter 16.
Can also use other effusion meters as coal gas detection device and gas-detecting device to be combusted, at this most one by one
Tire out and state and only within protection domain.
Nozzle arrangements also includes the second adjusting means, and the second adjusting means is for regulating the intake in crosswind hole 7.Second adjusts
Regulating device is arranged on the crosswind hole 7 of nozzle 11.By arranging the second adjusting means, in order to the intake in regulation crosswind hole 7,
And then conveniently air mass flow is carried out accurate adjustment, improve the control accuracy of optimum air mass flow Q, further increase burning quality
And efficiency of combustion.
In the present embodiment, the second adjusting means includes the slide block 12 for regulating crosswind hole 7 opening degree, passes through slide block
12 relative to the slip in crosswind hole 7, completes the regulation of the opening degree in crosswind hole 7, and then the intake in regulation crosswind hole 7.Also
Tapered piston structure can be set so that the small end of tapered piston structure stretches into crosswind hole 7, stretch into side by tapered piston structure
The degree of air holes 7, the opening degree in regulation crosswind hole 7.
In the present embodiment, slide block 12 is positioned at the entrance point in crosswind hole 7 and slides along the axis direction being perpendicular to crosswind hole 7
Dynamic.
Being in the consideration improving automaticity, the second adjusting means also includes the slider-actuated portion driving slide block 12 to slide
Part 8.By arranging slider-actuated parts 8, it is automatically adjusted the slide block 12 slip relative to crosswind hole 7, and then raising crosswind hole 7 is entered
The control accuracy of air quantity.Manual actuation can also be used, be no longer discussed in detail at this.
In the present embodiment, slider-actuated parts 8 are linear electric motors or straight line cylinder.Can also be by slider-actuated parts 8
Be set to electric rotating machine, convert rotational motion into linear motion by actuating device, actuating device such as worm gear structure or
Gear & rack structure etc..
The nozzle arrangements that the embodiment of the present invention provides also includes and slider-actuated parts 8, coal gas detection device and to be combusted
The accurate adjustment control unit of gas-detecting device communication connection；
As △ Q ' ＜ Q, accurate adjustment control unit controls slider-actuated parts 8 adjusting slider 12, increases the air intake in crosswind hole 7
Amount；As △ Q ' ＞ Q, accurate adjustment control unit controls slider-actuated parts 8 adjusting slider 12, reduces the intake in crosswind hole 7.Logical
Cross above-mentioned regulation so that △ Q ' is close to Q, and then makes Q3 '-Q1 close to Q.Optimum is that △ Q ' is equal to Q.
Wherein, △ Q '=Q3 '-Q1；Q3 ' is that the first adjusting means completes gas-detecting device to be combusted detection after regulation
Gas flow the most to be combusted；Q1 is the gas flow of coal gas detection device detection；Q is the optimum drawn according to gas flow Q1
Air mass flow.
It is understood that can according to the environmental factorss such as gas families and local othermohygrometer formulate rational combustion gas with
The optimum mixed proportion of air, and these data are stored in accurate adjustment control unit.When coal gas detection device detects combustion gas stream
When amount is for Q1, draw the optimum mixed proportion of combustion gas and air according to environmental factorss such as gas families and local othermohygrometers, and
Optimum air mass flow Q is drawn according to optimum mixed proportion and Q1.
Above-mentioned coarse adjustment control unit and accurate adjustment control unit can also be integrated in one and control in parts, the most detailed at this
Thin introduction.
For the ease of accurate adjustment control, also include the middle gas detection device being arranged in nozzle 11, middle gas detection device
For detecting middle mixed gas flow.After the first adjusting means completes regulation, in the first of middle gas detection device detection
Between gas flow Q2, and calculate the second intermediate gas flow Q2 ' of gas detection device detection in the middle of after accurate adjustment according to above-mentioned
During=Q-△ Q '+Q2, the air mass flow after having regulated reaches optimum air mass flow Q.By arranging middle gas detection device, can
More easily to control slider-actuated parts 8, improve control accuracy.
The optimum of rational combustion gas and air can also be formulated according to environmental factorss such as gas families and local othermohygrometers
Mixed proportion, draws optimum air mass flow Q according to optimum mixed proportion and Q1.Further, according to the type of gas-cooker, optimum is empty
Throughput Q=QCrosswind hole+QAir flap, the crosswind mouth air intake of reality is drawn by the detection of middle gas detection device with coal gas detection device
Amount △ QCrosswind hole(QCrosswind hole=Q2-Q1), gas-detecting device to be combusted draws actual air door with the detection of middle gas detection device
Plate intake △ QAir flap(QAir flap=Q3-Q2).△ Q is made by controlling door driving device 15Air flapClose to QCrosswind hole, optimum is △
QAir flapEqual to QAir flap.△ Q is made by controlling slider-actuated parts 8Crosswind holeClose to QCrosswind hole, optimum is △ QCrosswind holeEqual to QCrosswind hole。
Further, middle gas detection device is ultrasonic flowmeter.Middle gas detection device includes commutation in the middle of first
Device 6 and the second middle diverter 13.
Other effusion meters can also be used as middle gas detection device, tire out the most one by one at this and state and only at protection domain
Within.
The embodiment of the present invention additionally provides a kind of gas-cooker, including any one nozzle arrangements the most above-mentioned.Due to said nozzle
Structure has above-mentioned technique effect, and the gas-cooker with said nozzle structure also should have same technique effect, at this no longer
Tire out one by one and state.
In order to obtain the ratio of combustion gas and air more intuitively, gas-cooker also includes with described coal gas detection device with described
Gas-detecting device to be combusted communicates to connect, for showing the display of combustion gas and AIR Proportional.
The embodiment of the present invention additionally provides a kind of combustion gas and AIR Proportional control method, including step:
S1: detection gas flow Q1 and initial gas flow Q3 to be combusted；
S 2: calculate air mass flow △ Q=Q3-Q1, enters △ Q with optimum air mass flow Q drawn according to gas flow Q1
Row compares；
As △ Q ＜ Q, increase intake；
As △ Q ＞ Q, reduce intake.
Owing to said nozzle structure has above-mentioned technique effect, as above-mentioned combustion gas also has with AIR Proportional control method
Technique effect, the most tired at this state
Preferably, air mass flow △ Q includes the first mixing air flow and the second mixing air flow, and nozzle arrangements has
Regulate the first adjusting means and second adjusting means of regulation the second mixing air flow of the first mixing air flow；Step S2
In, carry out coarse adjustment by the first adjusting means, then the second adjusting means is carried out accurate adjustment.Operated, effectively by coarse adjustment and accurate adjustment
Improve degree of regulation.
Step S3 is also included: export the mixed proportion of the combustion gas after regulation and air after step S2.By above-mentioned steps,
Draw the mixed proportion of combustion gas and air intuitively, be user-friendly to.
Above nozzle arrangements provided by the present invention is described in detail.Specific case used herein is to this
Bright principle and embodiment are set forth, the explanation of above example be only intended to help to understand the method for the present invention and
Core concept.It should be pointed out that, for those skilled in the art, in the premise without departing from the principle of the invention
Under, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify the protection also falling into the claims in the present invention
In the range of.
Claims (18)
1. a nozzle arrangements, including nozzle (11), burner (1) and be positioned between described nozzle (11) and described burner (1)
Air flap (4), it is characterised in that also include:
It is arranged on described air flap (4), is used for regulating the first adjusting means of the intake of described air flap (4)；
It is arranged in described nozzle (11), is used for detecting the coal gas detection device of the gas flow of described nozzle (11) air inlet；
It is arranged in described burner (1), for detecting the gas-detecting device to be combusted of gas flow to be combusted.
Nozzle arrangements the most according to claim 1, it is characterised in that described first adjusting means includes rotating air door (5).
Nozzle arrangements the most according to claim 2, it is characterised in that described first adjusting means also includes driving described turning
The door driving device (15) that wind symptom door (5) rotates.
Nozzle arrangements the most according to claim 3, it is characterised in that described first adjusting means also includes rotating gear
(14), described rotation air door (5) has the gear teeth structure engaged with described rotation gear (14)；
Described door driving device (15) drives described rotation gear (14) to rotate.
Nozzle arrangements the most according to claim 4, it is characterised in that described door driving device (15) is fixed on described wind
On door sheet (4)；
The drive end of described door driving device (15) through described air flap (4) and is connected with described rotation gear (14).
Nozzle arrangements the most according to claim 3, it is characterised in that also include and described door driving device (15), institute
State coal gas detection device and the coarse adjustment control unit of described gas-detecting device to be combusted communication connection；
As △ Q ＜ Q, described coarse adjustment control unit controls described door driving device (15) and regulates described rotation air door (5), increases
The intake of big described air flap (4)；
As △ Q ＞ Q, described coarse adjustment control unit controls described door driving device (15) and regulates described rotation air door (5), subtracts
The intake of little described air flap (4)；
Wherein, △ Q=Q3-Q1；
Q3 is the gas flow initial to be combusted of described gas-detecting device to be combusted detection；
Q1 is the gas flow of described coal gas detection device detection；
Q is the optimum air mass flow drawn according to gas flow Q1.
Nozzle arrangements the most according to claim 1, it is characterised in that described coal gas detection device and/or described to be combusted
Gas-detecting device is ultrasonic flowmeter.
Nozzle arrangements the most according to claim 1, it is characterised in that also include the crosswind hole being arranged at described nozzle (11)
(7), on, it is used for regulating the second adjusting means of the intake of described crosswind hole (7).
Nozzle arrangements the most according to claim 8, it is characterised in that described second adjusting means includes for regulating described
The slide block (12) of crosswind hole (7) opening degree.
Nozzle arrangements the most according to claim 9, it is characterised in that described second adjusting means also includes that driving is described
The slider-actuated parts (8) that slide block (12) slides.
11. nozzle arrangements according to claim 10, it is characterised in that also include and described slider-actuated parts (8), institute
State coal gas detection device and the accurate adjustment control unit of described gas-detecting device to be combusted communication connection；
As △ Q ' ＜ Q, described accurate adjustment control unit controls described slider-actuated parts (8) and regulates described slide block (12), increases
The intake of described crosswind hole (7)；
As △ Q ' ＞ Q, described accurate adjustment control unit controls described slider-actuated parts (8) and regulates described slide block (12), reduces
The intake of described crosswind hole (7)；
Wherein, △ Q '=Q3 '-Q1；
Q3 ' is the gas the most to be combusted that after described first adjusting means completes regulation, described gas-detecting device to be combusted detects
Flow；
Q1 is the gas flow of described coal gas detection device detection；
Q is the optimum air mass flow drawn according to gas flow Q1.
12. nozzle arrangements according to claim 11, it is characterised in that also include being arranged in described nozzle (11), use
The middle gas detection device of mixed gas flow in the middle of detection.
13. nozzle arrangements according to claim 12, it is characterised in that described middle gas detection device is ultrasonic flow
Meter.
14. 1 kinds of gas-cookers, including nozzle arrangements, it is characterised in that described nozzle arrangements is such as any one of claim 1-13
Described nozzle arrangements.
15. gas-cookers according to claim 14, it is characterised in that also include treating with described with described coal gas detection device
Burning gases detection device communication connection, for showing the display of combustion gas and AIR Proportional.
16. 1 kinds of combustion gas and AIR Proportional control method, it is characterised in that include step:
1) detection gas flow Q1 and gas flow Q3 to be combusted；
2) calculate air mass flow △ Q=Q3-Q1, △ Q is compared with optimum air mass flow Q drawn according to gas flow Q1
Relatively；
As △ Q ＜ Q, increase intake；
As △ Q ＞ Q, reduce intake.
17. combustion gas according to claim 16 and AIR Proportional control method, it is characterised in that described air mass flow △ Q
Including the first mixing air flow and the second mixing air flow, nozzle arrangements has the described first mixing air flow of regulation
First adjusting means and regulate the second adjusting means of described second mixing air flow；
Described step 2) in, carry out coarse adjustment by described first adjusting means, more described second adjusting means is carried out accurate adjustment.
18. combustion gas according to claim 16 and AIR Proportional control method, it is characterised in that described step 2) the most also
Including step 3): the combustion gas after output regulation and the mixed proportion of air.
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| CN201610658347.4A CN106152186B (en) | 2016-08-11 | 2016-08-11 | Nozzle structure, gas stove and gas and air ratio adjusting method |
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| CN109737412A (en) * | 2019-01-11 | 2019-05-10 | 李静师 | A kind of novel nozzle |
| CN110131754A (en) * | 2018-02-09 | 2019-08-16 | 青岛海尔智慧厨房电器有限公司 | Air door adjusting device and gas stove |
| CN110220223A (en) * | 2019-07-02 | 2019-09-10 | 崔崔 | A kind of household gas utensils burner damper regulator |
| WO2021068702A1 (en) * | 2019-10-11 | 2021-04-15 | 珠海格力电器股份有限公司 | Carbon monoxide detection linkage control system and control method |
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