CN113339851A - Pot moving small fire control device and method for gas stove and gas stove - Google Patents
Pot moving small fire control device and method for gas stove and gas stove Download PDFInfo
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- CN113339851A CN113339851A CN202110652967.8A CN202110652967A CN113339851A CN 113339851 A CN113339851 A CN 113339851A CN 202110652967 A CN202110652967 A CN 202110652967A CN 113339851 A CN113339851 A CN 113339851A
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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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Abstract
The invention discloses a small fire control device and method for moving a pot of a gas stove and the gas stove, wherein a first combustion part and a second combustion part are arranged at a stove head of the gas stove; the control device comprises a flame detector, when the gas cooker is placed in a pot, a sensing head of the flame detector moves to a position where the sensing head can be burnt by the flame generated by the first combustion part, and when the pot is moved away from the gas cooker, the sensing head of the flame detector leaves the flame generated by the first combustion part; the control valve is used for controlling the second combustion part to enter the fuel gas or cut off the fuel gas; and the controller is electrically connected with the flame detector and controls the control valve to be opened when the flame detector detects flame and to be closed when the flame detector does not detect flame. The invention can automatically control the effect of moving the gas cooker to a small fire and putting the cooker back to recover the fire power, is convenient and safe to use, can avoid misjudgment and misoperation, and has the advantages of low overall cost, simple structure and convenient installation.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to a pot moving small fire control device and method of a gas cooker and the gas cooker.
Background
Gas cookers, which may be called gas cookers, and the like, are kitchen appliances that are heated by direct fire using gas fuels such as liquefied petroleum gas (liquid), artificial gas, and natural gas. According to the gas source, the gas cooker is mainly divided into a liquefied gas cooker, a gas cooker and a natural gas cooker; according to the range eyes, the gas cooking range is divided into a single range, a double range and a multi-hole range. The user is at the in-process that uses gas cooking utensils, often need take the pan to wash to when wasing, in order to practice thrift the gas and increase the security, a lot of users generally can turn down the flame of gas cooking utensils earlier, with turning into the gas cooking utensils little fire state, take up the pan again. The manual operation of the user is needed, which is troublesome, and sometimes the user may have to re-ignite because the user may not operate properly to cause flameout.
Disclosure of Invention
The invention provides a small fire moving control device and method of a gas stove and the gas stove aiming at the technical problems in the prior art, and the gas stove can achieve the effects of moving small fire of the gas stove and returning to the stove to recover fire power.
The technical scheme adopted by the invention for solving the technical problems is as follows: a moving pot small fire control device of a gas stove is provided, a first combustion part and a second combustion part are arranged at a stove head of the gas stove; the method comprises the following steps:
a flame detector, the sensing head of which is moved to a position where it can be burned by the flame generated by the first combustion portion when the gas cooker is put in the pot, and the sensing head of which is moved away from the flame generated by the first combustion portion when the pot is removed from the gas cooker;
the control valve is used for controlling the second combustion part to enter the fuel gas or cut off the fuel gas;
and the controller is electrically connected with the flame detector and controls the control valve to be opened when the flame detector detects a flame signal and to be closed when the flame detector does not detect flame.
Further, the flame detector is disposed on the gas cooker in a vertically movable manner, and when the gas cooker is used for placing a pot, the flame detector moves the sensing head thereof to a position where the flame generated by the first combustion portion can be burned by moving the sensing head downward, and when the pot is removed from the gas cooker, the flame detector moves the sensing head thereof away from the flame generated by the first combustion portion by moving the sensing head upward.
Furthermore, the flame detector can be arranged on a mounting bracket in a way of moving up and down, and the mounting bracket is arranged on the gas cooker; the flame detector is pressed down by a pot on the gas cooker to move downwards, and the flame detector is driven by a preset reset component to reset upwards.
Furthermore, the reset component is a spring, the spring is sleeved outside the flame detector, the upper end of the spring abuts against a limiting part arranged on the outer side surface of the flame detector, and the lower end of the spring abuts against the bottom of the mounting bracket.
Furthermore, the mounting bracket is in a sleeve shape with an upper end and a lower end respectively reduced and an opening on the side surface, and is sleeved outside the flame detector; the limiting part is limited in the mounting bracket, and a plurality of mounting lugs are arranged outside the mounting bracket.
Furthermore, the mounting bracket is arranged on a furnace end or a furnace body of the gas cooker; the first combustion part and the second combustion part are respectively annular, the second combustion part is positioned at the periphery of the first combustion part, and the first combustion part surrounds the flame detector; the first combustion part is connected with a first gas passage, the second combustion part is connected with a second gas passage, and the control valve is arranged on the second gas passage to control the second gas passage to be opened or closed.
Further, the flame detector is a temperature sensor or an ion sensing needle; the control valve is an electromagnetic valve and is electrically connected with the controller.
The invention also provides a pot moving small fire control method of the gas cooker, a first combustion part and a second combustion part are arranged on a burner of the gas cooker, a flame detector is adopted, when the gas cooker is used for placing a pot, a sensing head of the flame detector moves to a position where the flame generated by the first combustion part can burn, and when the pot is moved away from the gas cooker, the sensing head of the flame detector leaves the flame generated by the first combustion part; the second combustion unit is controlled to enter the gas when the flame detector detects a flame, and the second combustion unit is controlled to cut off the gas when the flame detector does not detect a flame.
Further, the flame detector moves its sensing head to a position where it can be burned by the flame generated by the first combustion portion by moving downward when the gas cooker is put in the pot, and moves its sensing head away from the flame generated by the first combustion portion by moving upward when the gas cooker is put out of the pot; the flame detector is pressed downwards by a cooker arranged on the gas cooker to move downwards, and the flame detector is driven by a preset reset component to reset upwards; the flame detector is a temperature sensor or an ion induction needle.
The invention also provides a gas cooker, which comprises a cooker body and a burner arranged on the cooker body, wherein the burner is provided with a first combustion part and a second combustion part; the small fire control device for moving the pot of the gas cooker is further included, and the flame detector is arranged on the cooker body or the cooker head.
Furthermore, the first combustion part and the second combustion part are respectively annular, the second combustion part is positioned at the periphery of the first combustion part, and the first combustion part surrounds the flame detector; the first combustion part is provided with a plurality of first combustion holes, and the second combustion part is provided with a plurality of second combustion holes; a part of the plurality of first combustion holes are positioned on the inner side wall of the first combustion part, and the rest of the plurality of first combustion holes are positioned on the outer side wall of the second combustion part; the first combustion part is connected with a first gas passage, the second combustion part is connected with a second gas passage, and the control valve is arranged on the second gas passage to control the second gas passage to be opened or closed.
Compared with the prior art, the invention has the following beneficial effects:
1. the sensing head of the flame detector detects a flame signal by whether the flame generated by the first combustion part is combusted or not, and controls the second combustion part to enter gas or disconnect gas according to whether the flame is detected or not, so that the effects of automatically controlling the gas cooker to move to a small fire and the cooker to be placed back to recover the fire power are achieved, the manual operation of a user is avoided, and the use is more convenient and safer. In addition, the signals detected by the flame detector are only related to the flame generated by the first combustion part before the pan is moved away and after the pan is put back, the front and the back are equivalent, jump cannot occur, misjudgment and misoperation cannot occur, and the cooker is low in overall cost, simple in structure, convenient to install, safe and reliable.
2. The flame detector is convenient to arrange by moving the sensing head away from or away from the flame generated by the first combustion part or can be combusted by the flame generated by the first combustion part. Particularly, the flame detector is pressed downwards by a cooker arranged on the gas cooker to move downwards, and the flame detector is driven by a preset reset component to reset upwards, so that the flame detector is more convenient to arrange.
3. The setting of installing support makes the flame detector installation convenient. The reset component is preferably a spring, and is simple in arrangement.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the pot moving small fire control device and method of the gas cooker and the gas cooker are not limited to the embodiments.
Drawings
FIG. 1 is a schematic perspective view (without a panel) of the gas cooker of the present invention;
FIG. 2 is a schematic structural view of the temperature sensor of the present invention in cooperation with a mounting bracket and a spring;
FIG. 3 is a top view of the gas hob of the present invention (without the panel part and the two-point fire switch);
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
FIG. 6 is a cross-sectional view B-B of FIG. 3;
FIG. 7 is an enlarged partial schematic view of FIG. 6;
FIG. 8 is a schematic perspective view of a gas range according to the present invention;
FIG. 9 is an enlarged, partially cross-sectional, schematic view of the gas cooktop of the present invention in a seated position;
FIG. 10 is an enlarged schematic view, partially in section, of the gas cooker of the present invention in a pan moved state;
the burner comprises a burner head, a first gas inlet, a second gas inlet aluminum pipe, a second gas inlet pipe, a third gas inlet, a third, a burner head, a second gas inlet, a burner head, a second gas inlet, a third burner head, a second gas inlet, a burner head, a second gas inlet, a third gas inlet, a second gas inlet aluminum pipe, a third gas inlet, a burner head.
Detailed Description
In the embodiment, please refer to fig. 1-10, a pot moving small fire control device of a gas cooker of the present invention is provided with a first combustion part 2 connected with a first gas passage 4 and a second combustion part 3 connected with a second gas passage 5, when the gas cooker is ignited, the first gas passage 4 is opened, and the first combustion part 2 is ignited to generate a flame, and when the second gas passage 5 is opened, the gas enters the second combustion part 3 and is ignited by the flame generated by the first combustion part 2; after the gas cooker is shut off, the first combustion part and the second combustion part are flamed out. The control device includes:
a flame detector, the sensing head 61 of which is moved to a position where it can be burned by the flame generated by the first combustion part 2 when the gas cooker is put in the pot, and the sensing head 61 of which is moved away from the flame generated by the first combustion part 2 when the pot is put out of the gas cooker;
the control valve is used for controlling the second combustion part to enter the fuel gas or cut off the fuel gas; specifically, the control valve is an electromagnetic valve 7, and the electromagnetic valve 7 is used for controlling the second gas passage 5 connected with the second combustion part 3 to open or close, so that the electromagnetic valve 7 is arranged on the second gas passage 5;
and a controller 8, wherein the controller 8 is electrically connected with the flame detector and the electromagnetic valve 7, and controls the electromagnetic valve 7 to be opened when the flame detector detects a flame signal, and controls the electromagnetic valve 7 to be closed when the flame detector does not detect a flame. The second gas passage 5 is in an open state as the electromagnetic valve 7 is opened, and the second gas passage 5 is in a closed state as the electromagnetic valve 7 is closed.
In the present embodiment, the flame detector is specifically a temperature sensor 6, when the sensing head 61 of the temperature sensor 6 is burned by the flame generated by the first combustion portion 2, the temperature sensor 6 detects that the temperature is greater than or equal to a preset value, indicating that the flame is detected, and when the sensing head 61 of the temperature sensor 6 is away from the flame generated by the first combustion portion 2, the temperature sensor 6 detects that the temperature is lower than the preset value, indicating that the flame is not detected. In other embodiments, the flame detector is an ion-sensitive needle, and when the sensing head of the ion-sensitive needle is burned by the flame generated by the first combustion part, the ion-sensitive needle forms a current by means of positive and negative ions in the flame, indicating that a flame signal is detected; when the flame is extinguished, and the sensing head of the ion induction needle is away from the flame generated by the first combustion part, the current disappears, and the flame is not detected. In this embodiment, the flame detector (i.e. the temperature sensor 6) is disposed on the gas cooker in a vertically movable manner, and when the gas cooker is placed in a pot, the temperature sensor 6 moves its sensing head 61 to a position where it can be burned by the flame generated by the first combustion portion 2 by moving downward, and when the pot is removed from the gas cooker, the temperature sensor 6 moves its sensing head 61 away from the flame generated by the first combustion portion 2 by moving upward. Specifically, the temperature sensor 6 is movably disposed on a mounting bracket 9, and the mounting bracket 9 is installed on the gas cooker. The temperature sensor 6 is pressed down by a pot placed on the gas cooker to move downward, and the temperature sensor 6 is reset upward by a preset reset member. When the flame detector is an ion sensing needle, the ion sensing needle is arranged in the same way as the temperature sensor 6.
In this embodiment, the reset component is a spring 10, the spring 10 is sleeved outside the temperature sensor 6, an upper end of the spring 10 abuts against a limiting portion 62 (as shown in fig. 7) disposed on an outer side surface of the temperature sensor 6, and a lower end of the spring 10 abuts against a bottom of the mounting bracket 9. In other embodiments, the reset component is a magnetic repulsion component, and specifically includes a first magnet and a second magnet, the first magnet is disposed on the temperature sensor, the second magnet can be disposed on the mounting bracket of the gas cooker or the temperature sensor, and the like magnetic poles of the first magnet and the second magnet are opposite to each other. When the temperature sensor is pressed down by a pot on the gas cooker and moves downwards, the first magnet and the second magnet repel each other, but the repulsion force is smaller than the downward pressure of the pot, so that the temperature sensor can still move downwards; when the pot is moved away, the temperature sensor is only subjected to upward repulsive force of the first magnet and the second magnet, and the repulsive force drives the temperature sensor to reset upwards. In other embodiments, the return member comprises the spring and the magnetically repulsive assembly.
In this embodiment, as shown in fig. 2, the mounting bracket 9 is in a sleeve shape with a top end and a bottom end respectively reduced and an open side, and is sleeved outside the temperature sensor 6. The stopper 62 is stopped in the mounting bracket 9, so that the temperature sensor 6 is prevented from being drawn out upward. The spring 10 enters the mounting bracket 9 through a side opening of the mounting bracket 9. The mounting bracket 9 is externally provided with a plurality of mounting lugs 91. Specifically, two symmetrical mounting lugs 91 are arranged at the bottom of the outer side surface of the mounting bracket 9, a mounting through hole 92 is respectively formed in each mounting lug 91, and the mounting through hole 92 is matched with a screw or a screw assembly to realize the fixed mounting of the mounting bracket 9. Specifically, the mounting bracket 9 may be mounted to the burner 1 or the body of the gas cooker.
In this embodiment, the first combustion part 2 and the second combustion part 3 are respectively annular, the second combustion part 3 is located at the periphery of the first combustion part 2, and the first combustion part 2 surrounds the temperature sensor 6.
In the present embodiment, the top of the temperature sensor 6 is a sensing head 61, the sensing head 61 is a thermocouple and/or a thermistor, and is very sensitive, and a portion below the sensing head 61 of the temperature sensor 6 is made of a non-metallic high-temperature resistant material.
When the gas cooker is in a seated state (i.e. a pot is placed on the pot holder 60 of the gas cooker), the temperature sensor 6 is pressed down by the pot 70 and compresses the spring 10, so that the sensing head 61 of the temperature sensor 6 is moved to a position where it can be burned by the flame generated by the first combustion part 2, as shown in fig. 9. At this time, if the gas cooker is ignited, the first gas passage 4 is opened, the first combustion portion 2 generates a flame, the flame burns the sensing head 61 of the temperature sensor 6, as shown in fig. 9 (the line indicated by the reference numeral 80 in the figure indicates the flame burning height), the temperature sensor 6 generates a high temperature signal (the temperature detected by the temperature sensor 6 is greater than or equal to a preset value) to the controller 8, and the controller 8 controls the electromagnetic valve 7 to open the second gas passage 5 according to the high temperature signal, so that the gas reaches the second combustion portion 3 through the second gas passage 5 and is ignited by the flame generated by the first combustion portion 2. Therefore, when the gas cooker is in a pan state, the first combustion part 2 and the second combustion part 3 generate flames, so that the gas cooker is high in firepower and convenient to boil quickly. When the pot is taken up, the temperature sensor 6 is reset upwards by the restoring force of the spring 10, so that the sensing head 61 is separated from the flame generated by the first combustion part 2 and is not combusted by the flame, as shown in fig. 10 (the line indicated by the reference numeral 80 in the figure indicates the flame combustion height), at this time, the temperature sensor 6 generates a low-temperature signal (the temperature detected by the temperature sensor 6 is less than the preset value) to the controller 8, and the controller 8 controls the electromagnetic valve 7 to close the second gas passage 5 according to the low-temperature signal, so that the second combustion part 3 is flamed out due to no gas supply. Therefore, after the cooker is moved away, the gas cooker only generates flame (namely inner ring flame) by the first combustion part 2, so that the gas cooker has low firepower and achieves the effects of safety, energy conservation and the like.
The invention relates to a pot moving small fire control device of a gas cooker, wherein a sensing head 61 of a temperature sensor 6 generates a temperature signal by whether the flame generated by a first combustion part 2 is burnt or not, and controls a second gas passage 5 connected with a second combustion part 3 to be opened or closed according to the height of the temperature signal, thereby achieving the effects of automatically controlling the pot moving small fire of the gas cooker and restoring the fire power of the cooker, avoiding the manual operation of a user and being more convenient and safer to use. In addition, the temperature signals detected by the temperature sensors 6 before the pan is moved away and after the pan is put back are only related to the flame generated by the first combustion part 2, the front and the back are equivalent, the jumping cannot occur, and the large change caused by the change of the temperature of the pan bottom of the pan cannot occur, so that the false judgment and the false operation can be avoided, the integral cost is low, the structure is simple, the installation is more convenient, and the safety and the reliability are realized.
The invention relates to a pot moving small fire control method of a gas stove. The control method comprises the following steps: adopting a flame detector, wherein when the gas cooker is placed in a pot, a sensing head of the flame detector is moved to a position where the flame detector can be burnt by the flame generated by the first combustion part, and when the pot is moved away from the gas cooker, the sensing head of the flame detector is separated from the flame generated by the first combustion part; the second combustion unit is controlled to enter the gas when the flame detector detects a flame, and the second combustion unit is controlled to cut off the gas when the flame detector does not detect a flame. The first combustion part is connected with a first gas passage, and the second combustion part is connected with a second gas passage, so the control method specifically controls the second gas passage to be opened or closed according to whether the flame detector detects flame. When the gas cooker is ignited, the first gas passage is opened, the first combustion part is ignited to generate flame, and under the condition that the second gas passage is opened, the gas enters the second combustion part and is ignited by the flame generated by the first combustion part. After the gas cooker is shut off, the first combustion part and the second combustion part are flamed out.
In this embodiment, the flame detector is specifically a temperature sensor, when a sensing head of the temperature sensor is burned by the flame generated by the first combustion portion, the temperature sensor detects that the temperature is greater than or equal to a preset value, which indicates that the flame is detected, and when the sensing head of the temperature sensor leaves the flame generated by the first combustion portion, the temperature sensor detects that the temperature is lower than the preset value, which indicates that the flame is not detected. In other embodiments, the flame detector is an ion-sensitive needle, and when the sensing head of the ion-sensitive needle is burned by the flame generated by the first combustion part, the ion-sensitive needle forms a current by means of positive and negative ions in the flame, indicating that a flame signal is detected; when the flame is extinguished, and the sensing head of the ion induction needle is away from the flame generated by the first combustion part, the current disappears, and the flame is not detected.
In this embodiment, when the gas cooker is placed in the pot, the temperature sensor moves its sensing head to a position where it can be burned by the flame generated by the first combustion portion by moving downward, and when the gas cooker is removed from the pot, the temperature sensor moves its sensing head away from the flame generated by the first combustion portion by moving upward. Specifically, the temperature sensor is pressed down by a pot placed on the gas cooker to move downward, and the temperature sensor is driven by a preset reset component to reset upward. The reset component is preferably a spring, but not limited thereto, and in other embodiments, the reset component is a magnetic repulsion component, and specifically includes a first magnet and a second magnet, the first magnet is disposed on the temperature sensor, the second magnet can be disposed on the mounting bracket of the gas cooker or the temperature sensor, and like magnetic poles of the first magnet and the second magnet are opposite to each other. When the temperature sensor is pressed down by a pot on the gas cooker and moves downwards, the first magnet and the second magnet repel each other, but the repulsion force is smaller than the downward pressure of the pot, so that the temperature sensor can still move downwards; when the pot is moved away, the temperature sensor is only subjected to upward repulsive force of the first magnet and the second magnet, and the repulsive force drives the temperature sensor to reset upwards. In other embodiments, the return member comprises the spring and the magnetically repulsive assembly.
In this embodiment, the second combustion portion is controlled to enter or cut off the gas by a control valve, which is specifically an electromagnetic valve.
The pot moving small fire control method of the gas cooker can be realized by adopting the pot moving small fire control device of the gas cooker, so the detailed working principle is as described above, and the detailed description is omitted here.
Referring to fig. 1 to 10, the gas cooker of the present invention includes a cooker body, and a burner 1 disposed on the cooker body, wherein the burner 1 is provided with a first combustion portion 2 connected with a first gas passage 4 and a second combustion portion 3 connected with a second gas passage 5, when the gas cooker is ignited, the first gas passage 4 is opened, and the first combustion portion 2 is ignited to generate a flame, and when the second gas passage 5 is opened, the gas enters the second combustion portion 3 and is ignited by the flame generated by the first combustion portion 2; after the gas cooker is shut off, the first combustion part 2 and the second combustion part 3 are flamed out. The present invention further includes a small fire control device for moving a pot of a gas range as described above, wherein the flame detector (i.e., the temperature sensor 6) is disposed on the range body or the burner 1, and the electromagnetic valve 7 is disposed on the second gas passage 5 connected to the second combustion part 3.
In this embodiment, the temperature sensor 6 is specifically disposed on the burner 1 through the mounting bracket 9.
In this embodiment, the first combustion part 2 and the second combustion part 3 are respectively annular, the second combustion part 3 is located at the periphery of the first combustion part 2, and the first combustion part 2 surrounds the temperature sensor 6. The first combustion part 2 is provided with a plurality of first combustion holes 21, and the second combustion part 3 is provided with a plurality of second combustion holes 31; the plurality of first combustion holes 21 are partially located on the inner sidewall of the first combustion portion 2, and the rest are located on the outer sidewall of the second combustion portion 3, and the plurality of second combustion holes 31 are located on the outer sidewall of the second combustion portion 3.
In this embodiment, the first gas passage 4 includes a first gas inlet channel 41 and an inner ring gas inlet aluminum pipe 42 which are provided in the burner 1 and communicate with the first combustion part 2, one end of the inner ring gas inlet aluminum pipe 42 is connected to the first gas inlet channel 41 through an inner ring nozzle 43, the other end of the inner ring gas inlet aluminum pipe 42 is connected to the ignition valve 20, and the ignition switch 30 is provided on the ignition valve 20. The second gas channel 5 comprises a second gas inlet channel 51, an outer ring gas inlet aluminum pipe 52 and an outer ring gas outlet aluminum pipe 53 which are arranged on the furnace end 1 and communicated with the second combustion part 3, wherein one end of the outer ring gas outlet aluminum pipe 53 is connected with the second gas inlet channel 51 through an outer ring nozzle 54, the other end of the outer ring gas outlet aluminum pipe 53 is connected with one end of the outer ring gas inlet aluminum pipe 52 through the electromagnetic valve 7, and the other end of the outer ring gas inlet aluminum pipe 52 is connected with the ignition valve 20. When the ignition valve 20 is opened, the fuel gas is divided into two paths, one path enters the first fuel gas path 4, the other path enters the outer ring air inlet aluminum pipe 52 of the second fuel gas path 5, if the electromagnetic valve 7 is also opened at the moment, the fuel gas entering the outer ring air inlet aluminum pipe 52 can smoothly enter the outer ring air outlet aluminum pipe 53 through the electromagnetic valve 7 and finally reaches the second combustion part 3, otherwise, the fuel gas entering the outer ring air inlet aluminum pipe 52 stops at the electromagnetic valve 7.
In this embodiment, the cooker body includes a panel 50, a bottom case 40 and at least one cooker support 60, and the ignition valve 20, the electromagnetic valve 7, the controller 8, the inner ring air inlet aluminum pipe 42, the outer ring air inlet aluminum pipe 52, the outer ring air outlet aluminum pipe 53, and the like are respectively located in the bottom case 40 and covered by the panel 50. The present invention is specifically of a double-range type, therefore, two cookware holders 60 are provided on the panel 50, and two burners 1 are provided in the bottom case, wherein one burner is provided with the control device, and the other burner is not provided with the control device.
In a state of a pot of the gas cooker of the present invention as shown in fig. 9, a temperature sensor 6 is pressed downward by a pot 70 and a spring 10 is compressed, so that a sensing head 61 of the temperature sensor 6 is moved to a position where it can be burned by flame generated by a first combustion part 2. At this time, when the gas cooker is ignited, the first gas passage 4 is opened, the first combustion portion 2 generates a flame, the sensing head 61 of the flame combustion temperature sensor 6 generates a high temperature signal to the controller 8 as shown in fig. 9 (the line indicated by 80 in the figure indicates the flame combustion height), the controller 8 controls the electromagnetic valve 7 to open the second gas passage 5 according to the high temperature signal, and the gas reaches the second combustion portion 3 through the second gas passage 5 and is ignited by the flame generated by the first combustion portion 2. Therefore, in the state of the invention in the pan, the first combustion part 2 and the second combustion part 3 generate flames, so that the invention has larger firepower and is convenient and quick to boil. The pan moving state of the present invention is as shown in fig. 10, at this time, the pan 70 is lifted up, the temperature sensor 6 is reset upward by the restoring force of the spring 10, and the sensing head 61 is separated from the flame generated by the first combustion part 2 and is not burned by the flame, so the temperature sensor 6 generates a low temperature signal to the controller 8, and the controller 8 controls the electromagnetic valve 7 to close the second gas passage 5 according to the low temperature signal, and the second combustion part 3 is extinguished because no gas is supplied. Therefore, the invention only generates flame (namely inner ring flame) by the first combustion part 2 after the pan is moved away, has small firepower and achieves the effects of safety, energy saving and the like.
The pan-moving small fire control device and method of the gas cooker and the gas cooker have the same or can be realized by adopting the prior art.
The above embodiments are only used to further illustrate the moving pot small fire control device and method of the gas cooker and the gas cooker, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (11)
1. The utility model provides a little fire controlling means of pot that moves of gas cooking utensils, this gas cooking utensils's furnace end sets up first combustion portion and second combustion portion, its characterized in that: the method comprises the following steps:
a flame detector, the sensing head of which is moved to a position where it can be burned by the flame generated by the first combustion portion when the gas cooker is put in the pot, and the sensing head of which is moved away from the flame generated by the first combustion portion when the pot is removed from the gas cooker;
the control valve is used for controlling the second combustion part to enter the fuel gas or cut off the fuel gas;
and the controller is electrically connected with the flame detector and controls the control valve to be opened when the flame detector detects flame and to be closed when the flame detector does not detect flame.
2. The pot moving small fire control device of the gas cooker as claimed in claim 1, wherein: the flame detector is arranged on the gas cooker in a vertically movable mode, when the gas cooker is used for placing a pot, the flame detector enables the sensing head of the flame detector to move to a position where the sensing head can be burnt by flame generated by the first combustion part through downward movement, and when the pot is moved away from the gas cooker, the flame detector enables the sensing head of the flame detector to leave the flame generated by the first combustion part through upward movement.
3. The pot moving small fire control device of the gas cooker as claimed in claim 2, wherein: the flame detector is arranged on a mounting bracket in a way of moving up and down, and the mounting bracket is arranged on the gas cooker; the flame detector is pressed down by a pot on the gas cooker to move downwards, and the flame detector is driven by a preset reset component to reset upwards.
4. A pot moving small fire control device of a gas cooker as claimed in claim 3, wherein: the reset component is a spring, the spring is sleeved outside the flame detector, the upper end of the spring abuts against a limiting part arranged on the outer side surface of the flame detector, and the lower end of the spring abuts against the bottom of the mounting support.
5. The pot moving small fire control device of the gas cooker as claimed in claim 4, wherein: the mounting bracket is in a sleeve shape with an upper end and a lower end respectively reduced and an opening on the side surface, and is sleeved outside the flame detector; the limiting part is limited in the mounting bracket, and a plurality of mounting lugs are arranged outside the mounting bracket.
6. A pot moving small fire control device of a gas cooker as claimed in claim 3, wherein: the mounting bracket is arranged on a furnace end or a furnace body of the gas cooker; the first combustion part and the second combustion part are respectively annular, the second combustion part is positioned at the periphery of the first combustion part, and the first combustion part surrounds the temperature sensor; the first combustion part is connected with a first gas passage, the second combustion part is connected with a second gas passage, and the control valve is arranged on the second gas passage to control the second gas passage to be opened or closed.
7. The pot moving small fire control device of the gas cooker as claimed in claim 1, wherein: the flame detector is a temperature sensor or an ion induction needle; the control valve is an electromagnetic valve and is electrically connected with the controller.
8. A moving pot small fire control method of a gas stove is characterized in that a first combustion part and a second combustion part are arranged at a furnace end of the gas stove: adopting a flame detector, wherein when the gas cooker is placed in a pot, a sensing head of the flame detector is moved to a position where the flame detector can be burnt by the flame generated by the first combustion part, and when the pot is moved away from the gas cooker, the sensing head of the flame detector is separated from the flame generated by the first combustion part; the second combustion unit is controlled to enter the gas when the flame detector detects a flame, and the second combustion unit is controlled to cut off the gas when the flame detector does not detect a flame.
9. The pot moving small fire control method of the gas cooker as claimed in claim 8, wherein: when the gas cooker is put in a pot, the flame detector moves the sensing head of the flame detector to a position where the sensing head can be burnt by the flame generated by the first combustion part by moving downwards, and when the pot is put out of the gas cooker, the flame detector moves the sensing head of the flame detector away from the flame generated by the first combustion part by moving upwards; the flame detector is pressed downwards by a cooker arranged on the gas cooker to move downwards, and the flame detector is driven by a preset reset component to reset upwards; the flame detector is a temperature sensor or an ion induction needle.
10. A gas cooker comprises a cooker body and a burner arranged on the cooker body, wherein the burner is connected with a first combustion part and a second combustion part; the method is characterized in that: the small fire control device for moving the pot of the gas cooker as claimed in any one of claims 1 to 7, wherein the flame detector is arranged on the cooker body or the cooker head.
11. Gas hob according to claim 10, characterized in that: the first combustion part and the second combustion part are respectively annular, the second combustion part is positioned at the periphery of the first combustion part, and the first combustion part surrounds the flame detector; the first combustion part is provided with a plurality of first combustion holes, and the second combustion part is provided with a plurality of second combustion holes; a part of the plurality of first combustion holes are positioned on the inner side wall of the first combustion part, and the rest of the plurality of first combustion holes are positioned on the outer side wall of the second combustion part; the first combustion part is connected with a first gas passage, the second combustion part is connected with a second gas passage, and the control valve is arranged on the second gas passage to control the second gas passage to be opened or closed.
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| CN202110652967.8A CN113339851A (en) | 2021-06-11 | 2021-06-11 | Pot moving small fire control device and method for gas stove and gas stove |
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| CN202110652967.8A CN113339851A (en) | 2021-06-11 | 2021-06-11 | Pot moving small fire control device and method for gas stove and gas stove |
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