CN107388298B - Gas stove and double flameout control method - Google Patents
Gas stove and double flameout control method Download PDFInfo
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- CN107388298B CN107388298B CN201710822737.5A CN201710822737A CN107388298B CN 107388298 B CN107388298 B CN 107388298B CN 201710822737 A CN201710822737 A CN 201710822737A CN 107388298 B CN107388298 B CN 107388298B
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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
-
- 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)
- Feeding And Controlling Fuel (AREA)
- Regulation And Control Of Combustion (AREA)
- Control Of Combustion (AREA)
Abstract
The invention provides a gas stove and a double flameout control method, and relates to the technical field of gas stoves. The gas stove comprises a gas pipeline, an outer fire cover, a central fire cover, a first sensor, a second sensor, a first gas transmission valve, a second gas transmission valve and a controller. The first inductor is arranged close to the central fire cover and connected with the first gas transmission valve, the first inductor is used for detecting flame of the central fire cover and generating thermoelectric force, and the first gas transmission valve is closed in a state that the thermoelectric force is lower than a design value. The second inductor is close to the outer fire cover and is electrically connected with the controller, the second inductor is used for detecting flames of the outer fire cover and generating flame signals, and the controller is used for controlling the second gas transmission valve to be closed when the flame signals are not received. The gas stove has double flameout protection, when the outer fire cover has no flame, and the central flame is still burning, the gas source of the outer gas channel can be cut off rapidly, the gas leakage is prevented, and the potential safety hazard is eliminated.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to a gas cooker and a double flameout control method.
Background
When the outer fire cover of the existing gas stove is flameless and the central flame is still burning, the flameout protection device does not act, so that the outer gas channel continuously has gas leakage, and potential safety hazards exist.
Therefore, developing a gas stove that can effectively solve the above problems is a technical problem that needs to be urgently solved at present.
Disclosure of Invention
The invention aims to provide a gas stove which has double flameout protection, and when an outer flame cover has no flame and a central flame is still burning, the gas source of an outer gas channel can be rapidly cut off, so that gas leakage is prevented, and potential safety hazards are eliminated.
Another object of the present invention is to provide a dual flameout control method for a gas stove, which can effectively avoid the problem of leakage of gas from an external gas channel when the external flame cover is flameless and the central flame is still burning, and eliminate the potential safety hazard.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a gas stove which comprises a gas pipeline, an outer fire cover, a central fire cover, a first sensor, a second sensor, a first gas transmission valve, a second gas transmission valve and a controller, wherein the gas pipeline is connected with the central fire cover;
the gas transmission pipeline comprises a main pipeline, an outer pipeline and an inner pipeline, wherein the outer pipeline and the inner pipeline are respectively connected with the main pipeline, the outer fire cover is connected with the outer pipeline, and the central fire cover is connected with the inner pipeline;
the first air delivery valve is connected with the main pipeline, the second air delivery valve is connected with the outer pipeline, and the second air delivery valve is electrically connected with the controller;
the first inductor is arranged close to the central fire cover and is connected with the first gas transmission valve, the first inductor is used for detecting flame of the central fire cover and generating thermoelectric force, and the first gas transmission valve is used for being closed in a state that the thermoelectric force is lower than a design value;
the second inductor is arranged close to the outer fire cover and is electrically connected with the controller, the second inductor is used for detecting flames of the outer fire cover and generating flame signals, and the controller is used for controlling the second gas transmission valve to be closed when the flame signals are not received.
Further, the gas stove further comprises a third gas transmission valve and a micro switch, the third gas transmission valve is connected with the main pipeline, the micro switch is electrically connected with the controller, the micro switch is used for generating a discharge signal, the first gas transmission valve is connected with the third gas transmission valve, and the first gas transmission valve is opened in a state that the third gas transmission valve is opened.
Further, the gas stove further comprises an ignition needle, the ignition needle is connected with the central fire cover, and the controller is further used for controlling the ignition needle to discharge according to the discharge signal.
Further, the gas stove further comprises a third inductor, the third inductor is connected with the third gas transmission valve and is electrically connected with the controller, the third inductor is used for generating a resistance change signal under the rotation action of the third gas transmission valve, and the controller is used for controlling the second gas transmission valve to be opened according to the resistance change signal.
Further, the first air delivery valve and the second air delivery valve are electromagnetic valves, and the third air delivery valve is a plug valve.
Further, the outer fire cover is annular, the outer fire cover is arranged on the periphery of the central fire cover in a surrounding mode, and the second inductor is arranged on the periphery of the outer fire cover.
Further, the gas stove further comprises a stove head seat and a burner assembly which are connected with each other, the outer fire cover and the center fire cover are respectively connected with the burner assembly, and the outer pipeline and the inner pipeline are respectively connected with the stove head seat.
The invention provides a double flameout control method which is applied to a gas stove, wherein the gas stove comprises a gas pipeline, an outer fire cover, a central fire cover, a first sensor, a second sensor, a first gas transmission valve, a second gas transmission valve and a controller;
the gas transmission pipeline comprises a main pipeline, an outer pipeline and an inner pipeline, wherein the outer pipeline and the inner pipeline are respectively connected with the main pipeline, the outer fire cover is connected with the outer pipeline, and the central fire cover is connected with the inner pipeline;
the first air delivery valve is connected with the main pipeline, the second air delivery valve is connected with the outer pipeline, and the second air delivery valve is electrically connected with the controller;
the first inductor is arranged close to the central fire cover and is connected with the first gas transmission valve, the first inductor is used for detecting flame of the central fire cover and generating thermoelectric force, and the first gas transmission valve is used for being closed in a state that the thermoelectric force is lower than a design value;
the second inductor is arranged close to the outer fire cover and is electrically connected with the controller, the second inductor is used for detecting the flame of the outer fire cover and generating a flame signal, and the controller is used for controlling the second gas transmission valve to be closed when the flame signal is not received;
the double flameout control method comprises the following steps:
the first inductor detects the flame of the central fire cover and generates thermoelectric force;
the first gas transmission valve is closed in a state that the thermoelectric voltage is lower than a design value;
the second sensor detects the flame of the outer fire cover and generates a flame signal when the flame is detected to exist;
the controller controls the second gas transmission valve to be closed in a state that the flame signal is not received.
Further, the gas stove further comprises a third gas transmission valve, a micro switch and an ignition needle, wherein the third gas transmission valve is connected with the micro switch, the third gas transmission valve is connected with the main pipeline, the micro switch is electrically connected with the controller, and the ignition needle is connected with the central fire cover.
The double flameout control method further includes:
the micro switch generates a discharge signal, and the controller controls the ignition needle to discharge according to the discharge signal.
Further, the gas stove further comprises a third inductor, wherein the third inductor is connected with the third gas transmission valve and is electrically connected with the controller;
the double flameout control method further includes:
the third sensor generates a resistance change signal under the action of pressing of the third gas transmission valve, and the controller controls the second gas transmission valve to be opened according to the resistance change signal.
The embodiment of the invention has the beneficial effects that:
according to the gas stove provided by the invention, the first sensor is used for monitoring the flame of the central fire cover and generating the thermoelectric potential, and when the thermoelectric potential is lower than the design value, the first gas transmission valve is closed, so that the gas supply of the main pipeline can be cut off, and the potential safety hazard is eliminated. And the second inductor of the gas stove is used for monitoring the flame of the outer fire cover and generating a flame signal, the controller receives the flame signal, and when the controller does not receive the flame signal, namely the flame of the outer fire cover is extinguished, the controller controls the second gas transmission valve to be closed, so that the gas supply of the outer pipeline is cut off, and the problem that potential safety hazards are caused by gas leakage of the outer pipeline when the main pipeline keeps the gas supply, the central fire cover keeps burning and the outer fire cover is extinguished is effectively avoided. Therefore, the gas stove provided by the invention has double flameout protection, and when the outer fire cover has no flame and the central flame is still burning, the gas source of the outer gas channel can be rapidly cut off, the gas leakage is prevented, and the potential safety hazard is eliminated.
The double flameout control method provided by the invention is applied to the gas stove, and when the thermoelectric potential is lower than the design value, the first gas transmission valve is closed, so that the gas supply of the main pipeline can be cut off, and the potential safety hazard is eliminated. And the controller can control the second gas transmission valve to be closed under the state of not receiving flame signals, so that the gas supply of the outer pipeline is cut off, and the problem that potential safety hazards are caused by gas leakage of the outer pipeline when the main pipeline keeps gas supply and the central fire cover keeps burning and the outer fire cover extinguishes is effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate a certain embodiment of the present invention and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a gas stove according to an embodiment of the present invention.
Fig. 2 is a block diagram of a gas stove according to an embodiment of the present invention.
Fig. 3 is a block diagram of a first partial connection of a gas stove according to an embodiment of the present invention.
Fig. 4 is a block diagram of a second partial connection of a gas stove according to an embodiment of the present invention.
Icon: 100-gas cooker; 110-a gas pipeline; 112-a main pipeline; 113-an outer pipe; 114-an inner conduit; 120-an outer fire cover; 130-a center fire cover; 140-ignition needle; 150-a furnace head seat; 151-gas pipe; 160-burner assembly; 170-a first gas delivery valve; 180-a second gas delivery valve; 190-a third gas delivery valve; 101-a micro switch; 102-a first inductor; 103-a second inductor; 104-a controller; 105-third inductor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the term "upper" or the like is based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the inventive product is used, only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless specified and limited otherwise, the terms "disposed" and "connected" are to be construed broadly, and for example, "connected" may be either a connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, and features of the following examples may be combined with each other without conflict.
First embodiment
Fig. 1 is a schematic structural diagram of a gas stove 100 according to the present embodiment. Fig. 2 is a block diagram of the gas stove 100 according to the present embodiment. Referring to fig. 1 and 2 in combination, the present embodiment provides a gas stove 100, which includes a gas pipe 110, an outer fire cover 120, a central fire cover 130, an ignition needle 140, a burner block 150, a burner assembly 160, a first gas-delivery valve 170, a second gas-delivery valve 180, a third gas-delivery valve 190, a micro-switch 101, a first sensor 102, a second sensor 103, and a controller 104.
The outer fire cover 120 and the center fire cover 130 are respectively connected with the burner assembly 160 and are both disposed on the burner block 150, and the gas pipe 110 is connected with the burner block 150 and is used for supplying gas to the outer fire cover 120 and the center fire cover 130. The ignition needle 140 is connected to the center fire cover 130. The first air delivery valve 170 is connected with the third air delivery valve 190, and the ignition needle 140, the second air delivery valve 180, the third air delivery valve 190, the micro switch 101, the first sensor 102 and the second sensor 103 are respectively and electrically connected with the controller 104.
In this embodiment, the third gas delivery valve 190 is used to manually adjust the gas supply to the outer fire cover 120 and the center fire cover 130. The third air delivery valve 190 is also used to actuate the opening of the first air delivery valve 170. The micro-switch 101 is connected with the third air delivery valve 190, and the micro-switch 101, the ignition needle 140 and the controller 104 are matched for ignition. The first sensor 102 and the first gas delivery valve 170 cooperate to regulate the supply of gas to the outer fire cover 120 and the center fire cover 130. The second sensor 103, the controller 104 and the second gas delivery valve 180 cooperate to regulate the supply of gas to the outer fire cover 120.
In this embodiment, the gas line 110 includes a main line 112, an outer line 113, and an inner line 114. The outer pipe 113 and the inner pipe 114 are connected to the main pipe 112, respectively. The burner block 150 includes two gas delivery pipes 151, and the outer pipe 113 and the inner pipe 114 are connected to the two gas delivery pipes 151, respectively.
It will be appreciated that the outer conduit 113 communicates with the outer fire cover 120 and the central fire cover 130 communicates with the inner conduit 114.
Preferably, the outer pipe 113 and the inner pipe 114 are connected in a U-shape.
In this embodiment, the first air delivery valve 170 and the third air delivery valve 190 are respectively connected to the main pipe 112, and the second air delivery valve 180 is connected to the outer pipe 113. It will be appreciated that when the first, second and third gas delivery valves 170, 180, 190 are all open, gas can be supplied to both the outer and center fire covers 120, 130, and when the second gas delivery valve 180 is closed, gas can be supplied to the outer fire cover 120 and only gas supply to the center fire cover 130 is maintained when the first and third gas delivery valves 170, 190 are open.
Preferably, in this embodiment, the first air delivery valve 170 and the second air delivery valve 180 are both solenoid valves, and the third air delivery valve 190 is a plug valve. The first inductor 102 is disposed near the center fire cover 130, the first inductor 102 is used for detecting flames and generating heat potential of the center fire cover 130, the second inductor 103 is disposed near the outer fire cover 120, and the second inductor 103 is used for detecting flames of the outer fire cover 120 and generating flame signals.
Preferably, the outer fire cover 120 is ring-shaped around the outer circumference of the center fire cover 130, and the second inductor 103 is provided around the outer circumference of the outer fire cover 120.
Preferably, the first sensor 102 is a thermocouple and the second sensor 103 is a feedback needle.
Fig. 3 is a block diagram illustrating a first partial connection of a gas range 100 according to an embodiment of the present invention. Referring to fig. 2 and 3 in combination, in this embodiment, in order to realize automatic opening of the second gas delivery valve 180, in this embodiment, the gas stove 100 further includes a third sensor 105, and the third sensor 105 is connected to the third gas delivery valve 190. The third sensor 105 is configured to generate a resistance change signal under the pressing action of the third gas delivery valve 190.
Preferably, the third sensor 105 is a potentiometer.
It can be understood that in this embodiment, when the third air delivery valve 190 is pressed, the micro switch 101 is driven to act, a discharge signal is generated, and the controller 104 is configured to control the ignition needle 140 to discharge according to the discharge signal.
It will be appreciated that depressing the valve stem of the third gas delivery valve 190 may cause the first gas delivery valve 170 to open.
And the third sensor 105 generates a resistance change signal under the rotation of the valve rod of the third air delivery valve 190, and the controller 104 is configured to receive the resistance change signal and control the second air delivery valve 180 to open according to the resistance change signal.
It will be appreciated that the first gas delivery valve 170 automatically closes when the thermoelectric force is below the design value.
Fig. 4 is a block diagram illustrating a second partial connection of the gas range 100 according to an embodiment of the present invention. Referring to fig. 4, in the present embodiment, the controller 104 further controls the second air delivery valve 180 to close when the flame signal generated by the second sensor 103 is not received.
It can be understood that when the gas stove 100 provided in this embodiment is used, the micro switch 101 is driven to act by pressing the third gas transmission valve 190, and the controller 104 receives the discharge signal generated by the micro switch 101 to control the ignition needle 140 to discharge.
And, the first gas delivery valve 170 is opened by the third gas delivery valve 190.
Meanwhile, the third sensor 105 generates a resistance change signal under the action of the third air delivery valve 190, and the controller 104 receives the resistance change signal and controls the second air delivery valve 180 to be opened.
At this time, the first gas transmission valve 170, the second gas transmission valve 180 and the third gas transmission valve 190 are all opened, and all fire holes of the burner assembly 160 on the gas range 100 are ignited, thereby achieving ignition.
It will be appreciated that if the ignition is successful, the first sensor 102 detects that the flame of the center burner cap 130 is generating a thermoelectric potential and the first gas delivery valve 170 remains open. The second sensor 103 detects the flame of the outer flame cover 120 and generates a flame signal, and when the controller 104 receives the flame signal, the second gas delivery valve 180 is also kept in the open state.
If the ignition fails, the first sensor 102 cannot generate thermoelectric voltage, or the thermoelectric voltage is lower than the design value, the first gas delivery valve 170 is closed, so that the gas delivery of the main pipeline 112 can be cut off, and the potential safety hazard of gas leakage cannot be generated.
The third air delivery valve 190 is adjusted to drive the third sensor 105 to rotate, and when the central fire cover 130 burns and the outer fire cover 120 extinguishes, the second sensor 103 cannot produce a flame signal, and the controller 104 fails to receive the flame signal, so that the second air delivery valve 180 is controlled to close. Therefore, potential safety hazards are effectively avoided.
Second embodiment
The embodiment provides a dual flameout control method, which is applied to a gas stove 100 and is used for dual flameout control of the gas stove 100. The double flameout control method comprises the following steps:
the micro switch 101 generates a discharge signal, and the controller 104 controls the ignition needle 140 to discharge according to the discharge signal generated by the micro switch 101. The third sensor 105 generates a resistance change signal by the rotation of the valve rod of the third gas transmission valve 190, and the controller 104 controls the second gas transmission valve 180 to be opened according to the resistance change signal. The first gas delivery valve 170 is opened by the third gas delivery valve 190.
The first sensor 102 detects the flame temperature of the center burner cap 130 and generates a thermoelectric force, and when the thermoelectric force is lower than a design value, the first gas delivery valve 170 is closed.
The second sensor 103 detects the flame of the outer flame cover 120 and generates a flame signal when the presence of the flame is detected, and the controller 104 controls the second gas transmission valve 180 to be closed in a state where the flame signal is not received.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The gas stove is characterized by comprising a gas pipeline, an outer fire cover, a central fire cover, a first sensor, a second sensor, a first gas transmission valve, a second gas transmission valve and a controller;
the gas transmission pipeline comprises a main pipeline, an outer pipeline and an inner pipeline, wherein the outer pipeline and the inner pipeline are respectively connected with the main pipeline, the outer fire cover is connected with the outer pipeline, and the central fire cover is connected with the inner pipeline;
the first air delivery valve is connected with the main pipeline, the second air delivery valve is connected with the outer pipeline, and the second air delivery valve is electrically connected with the controller;
the first inductor is arranged close to the central fire cover and is connected with the first gas transmission valve, the first inductor is used for detecting flame of the central fire cover and generating thermoelectric force, and the first gas transmission valve is used for being closed in a state that the thermoelectric force is lower than a design value;
the second inductor is arranged close to the outer fire cover and is electrically connected with the controller, the second inductor is used for detecting the flame of the outer fire cover and generating a flame signal, and the controller is used for controlling the second gas transmission valve to be closed when the flame signal is not received;
the gas stove further comprises a third gas transmission valve and a micro switch, wherein the third gas transmission valve is connected with the micro switch, the third gas transmission valve is connected with the main pipeline, the micro switch is electrically connected with the controller, the micro switch is used for generating a discharge signal, the first gas transmission valve is connected with the third gas transmission valve, and the first gas transmission valve is opened in a state that the third gas transmission valve is opened;
the outer fire cover is annular, the outer fire cover is arranged on the periphery of the central fire cover in a surrounding mode, and the second inductor is arranged on the periphery of the outer fire cover.
2. The gas cooker of claim 1, further comprising an ignition pin connected to the center fire cover, the controller further configured to control the ignition pin to discharge in accordance with the discharge signal.
3. The gas range of claim 1, further comprising a third sensor connected to the third gas delivery valve and electrically connected to the controller, the third sensor configured to generate a resistance change signal under rotation of the third gas delivery valve, and the controller configured to control the second gas delivery valve to open based on the resistance change signal.
4. The gas range of claim 1, wherein the first gas delivery valve and the second gas delivery valve are both solenoid valves and the third gas delivery valve is a plug valve.
5. The gas range of claim 1 further comprising a burner block and a burner head block interconnected, wherein the outer fire cover and the center fire cover are respectively connected to the burner block, and wherein the outer pipe and the inner pipe are respectively connected to the burner head block.
6. The double flameout control method is applied to a gas stove and is characterized by comprising a gas pipeline, an outer fire cover, a central fire cover, a first sensor, a second sensor, a first gas transmission valve, a second gas transmission valve and a controller;
the gas transmission pipeline comprises a main pipeline, an outer pipeline and an inner pipeline, wherein the outer pipeline and the inner pipeline are respectively connected with the main pipeline, the outer fire cover is connected with the outer pipeline, and the central fire cover is connected with the inner pipeline;
the first air delivery valve is connected with the main pipeline, the second air delivery valve is connected with the outer pipeline, and the second air delivery valve is electrically connected with the controller;
the first inductor is arranged close to the central fire cover and is connected with the first gas transmission valve, the first inductor is used for detecting flame of the central fire cover and generating thermoelectric force, and the first gas transmission valve is used for being closed in a state that the thermoelectric force is lower than a design value;
the second inductor is arranged close to the outer fire cover and is electrically connected with the controller, the second inductor is used for detecting the flame of the outer fire cover and generating a flame signal, and the controller is used for controlling the second gas transmission valve to be closed when the flame signal is not received;
the double flameout control method comprises the following steps:
the first inductor detects the flame of the central fire cover and generates thermoelectric force;
the first gas transmission valve is closed in a state that the thermoelectric voltage is lower than a design value;
the second sensor detects the flame of the outer fire cover and generates a flame signal when the flame is detected to exist;
the controller controls the second gas transmission valve to be closed in a state that the flame signal is not received.
7. The dual flameout control method according to claim 6, wherein the gas range further comprises a third gas transmission valve, a micro switch and an ignition needle, the third gas transmission valve is connected with the micro switch, the third gas transmission valve is connected with the main pipe, the micro switch is electrically connected with the controller, and the ignition needle is connected with the center fire cover;
the double flameout control method further includes:
the micro switch generates a discharge signal, and the controller controls the ignition needle to discharge according to the discharge signal.
8. The dual flameout control method according to claim 7, wherein the gas range further comprises a third sensor connected to the third gas delivery valve and electrically connected to the controller;
the double flameout control method further includes:
the third sensor generates a resistance change signal under the action of pressing of the third gas transmission valve, and the controller controls the second gas transmission valve to be opened according to the resistance change signal.
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| CN201710822737.5A CN107388298B (en) | 2017-09-13 | 2017-09-13 | Gas stove and double flameout control method |
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| CN201710822737.5A CN107388298B (en) | 2017-09-13 | 2017-09-13 | Gas stove and double flameout control method |
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| CN107388298B true CN107388298B (en) | 2023-09-01 |
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| CN111023166A (en) * | 2018-10-10 | 2020-04-17 | 关隆股份有限公司 | Gas stove system and control method thereof |
| CN111828705B (en) * | 2019-04-19 | 2022-05-06 | 关隆股份有限公司 | Gas valve and control device and control method thereof |
| CN112205892B (en) * | 2020-10-13 | 2021-11-16 | 浙江福得尔电器有限公司 | Gas furnace temperature control system and temperature control method |
| DE102023200622A1 (en) | 2022-02-02 | 2023-08-03 | BSH Hausgeräte GmbH | gas hob |
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| CN101266051A (en) * | 2008-04-11 | 2008-09-17 | 宁波欧琳厨房电器有限公司 | Gas combustion range flameout protector |
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| CN106765339A (en) * | 2015-11-25 | 2017-05-31 | 博西华电器（江苏）有限公司 | Kitchen range and its control method |
| CN106969386A (en) * | 2017-03-10 | 2017-07-21 | 李明守 | A kind of intelligent gas-burning stove |
| CN207230631U (en) * | 2017-09-13 | 2018-04-13 | 广东万家乐燃气具有限公司 | Gas-cooker |
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| CN107388298A (en) | 2017-11-24 |
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