CN109140534B - Gas stove starting system - Google Patents
Gas stove starting system Download PDFInfo
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- CN109140534B CN109140534B CN201811179888.4A CN201811179888A CN109140534B CN 109140534 B CN109140534 B CN 109140534B CN 201811179888 A CN201811179888 A CN 201811179888A CN 109140534 B CN109140534 B CN 109140534B
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- switch
- gas
- gas flow
- locking
- gas stove
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 42
- 230000001276 controlling effect Effects 0.000 claims abstract description 7
- 230000009977 dual effect Effects 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000010304 firing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004200 deflagration Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 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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- 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)
Abstract
The invention discloses a gas stove starting system, which comprises a gas flow regulating device, a switch on-off device and a locking device for controlling whether the switch on-off device can be opened or not, wherein the locking and unlocking of the locking device are linked with the gas flow regulating device; unlocking the locking device while opening the gas flow regulating device, and then opening the switch on-off device to open the gas stove; the gas flow regulating device is closed and the locking device is locked, the switch on-off device is disconnected and enters a locking state, and the gas stove is closed. The invention fundamentally eliminates the potential safety hazard by dividing the switch and the fire power regulation of the kitchen range into two parts. After the locking device is unlocked, one-key starting and firing can be realized, the problem that the traditional gas stove is not fired due to insufficient pressing time is avoided, and the gas stove is convenient, quick, safe and efficient.
Description
Technical Field
The invention relates to the field of gas cookers, in particular to a gas cooker starting system.
Background
At present, the existing gas stove is complicated in opening mode, the fire is required to be continuously pressed and the knob is rotated simultaneously to adjust the fire, and the opening mode is easy to cause unsuccessful ignition or occurrence of conditions such as deflagration, detonation and the like due to insufficient continuous pressing time, so that great potential safety hazards are brought.
And when adjusting the gas-cooker to little fire, also easily because the knob rotates too much and leads to flameout, bring relatively poor use experience for the user.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a gas stove starting system which is simple in structure, safe, reliable and quick to start.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the gas stove starting system comprises a gas flow regulating device, a switch on-off device and a locking device for controlling whether the switch on-off device can be opened or not, wherein the locking and unlocking of the locking device are linked with the gas flow regulating device; unlocking the locking device while opening the gas flow regulating device, and then opening the switch on-off device to open the gas stove; the gas flow regulating device is closed and the locking device is locked, the switch on-off device is disconnected and enters a locking state, and the gas stove is closed.
Further, the gas flow regulating device comprises a regulating button arranged on the panel of the gas stove and a gas flow regulating valve connected with the regulating button in the gas stove.
Further, the switch on-off device comprises an ignition switch arranged in the gas stove and a valve body switch for controlling the electromagnetic valve.
Further, the locking device is a mechanical locking structure, an electric lock switch or a combination of the mechanical locking structure and the electric lock switch which are arranged in the gas stove.
Further, the adjusting knob is mechanically connected with the gas flow regulating valve.
Further, the adjusting knob is electrically connected with the gas flow regulating valve.
Further, the ignition switch and the valve body switch are double-set contacts, and a circuit formed by the double-set contacts is connected with the electric lock switch.
Further, the ignition switch is an ignition delay switch, a flame induction switch or a gas flow switch.
Further, the electromagnetic valve is a thermocouple type electromagnetic valve.
Further, the adjusting button is an adjusting knob, an adjusting key or a touch screen button.
According to the gas stove starting system, the gas flow regulating device is opened and closed correspondingly to the unlocking and locking of the gas stove locking device, so that whether the switch on-off device can be opened or not is controlled. The ignition switch and the valve body switch of the electromagnetic valve can be started simultaneously after unlocking, so that one-key starting of the gas stove is realized, the problem that the traditional gas stove cannot catch fire due to insufficient pressing time is avoided, and the gas stove is convenient, quick, safe and efficient.
The starting system of the gas stove can be arranged in different modes according to actual practice, comprises mechanical control, circuit control or double-combination control modes of the machinery and the circuit, is flexible and changeable, and can meet the switching requirements of gas stoves in different modes.
The fire closing of the gas stove is completed by closing the gas flow regulating device, the locking of the locking device is linked with the closing of the gas flow regulating device, and in the locking state, the switch on-off device is in the off state, and the gas flow regulating valve and the electromagnetic valve are simultaneously closed, so that the double-layer valve body locks gas, and the gas stove is safe and reliable. And when the gas stove is flameout in the middle, the locking device is unlocked, and the on-off device can be started to directly ignite again, so that the tedious links of restarting the gas stove by switching on and off the gas flow adjustment are reduced, and the gas stove is convenient and quick.
In addition, through the gas flow adjusting device and the switch on-off device, the fire adjusting and firing functions of the kitchen range are divided into two independent parts. The gas flow regulating valve can be limited at the lower limit, so that the condition that the gas stove is flameout due to excessive rotation of the regulating knob when the gas stove is regulated to be in a small fire state is effectively avoided.
The invention has the advantages of simple structure, convenient operation, safety, reliability and the like.
Drawings
FIG. 1 is a front view of a gas range starting system of embodiment 1;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a diagram showing the cooperation of the push rod and the push rod of the switch button;
FIG. 4 is a control logic diagram of a switch button;
FIG. 5 is a control logic diagram of an adjustment knob;
FIG. 6 is a schematic view of the structure of the locking device in embodiment 2;
FIG. 7 is a schematic diagram of the connection of FIG. 6;
fig. 8 is a circuit configuration diagram of the switch on-off device.
Detailed Description
In order to clearly illustrate the design concept of the present invention, the present invention will be described with reference to examples.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "horizontal", "top", "bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention relates to a gas stove starting system which comprises a gas flow regulating device, a switch on-off device and a locking device for controlling whether the switch on-off device can be opened, wherein the unlocking and locking of the locking device are linked with the opening and closing of the gas flow regulating device; unlocking the locking device while opening the gas flow regulating device, and then opening the switch on-off device to open the gas stove; the gas flow regulator is closed and the locking device is locked, the switch on-off device is opened and enters a locking state, and the gas stove is closed.
By adopting a control method for quickly starting and adjusting the fire power, the fire power adjusting and firing functions of the kitchen range are divided into two independent parts. When the device is started, the gas flow regulating device is opened to unlock the locking device, then the switch on-off device is started, and the ignition switch and the valve body switch of the electromagnetic valve are simultaneously opened, so that one-key ignition is realized, continuous pressing is not needed in the ignition process, and the situation that the ignition is not started due to insufficient pressing time is avoided; when the gas valve is closed, the gas flow regulating device is closed, the on-off device of the switch is locked, and the gas flow regulating valve and the electromagnetic valve are closed at the same time, so that the double-layer valve body locks the gas, and the gas valve is safe and reliable.
When the gas stove is in flameout midway, the locking device is unlocked, and the on-off device can be started to directly ignite again, so that the tedious links of restarting the gas stove by switching on and off the gas flow adjustment are reduced, and the gas stove is convenient and quick.
The invention can limit the flow of the gas flow regulating valve to the lower limit, and effectively avoid the flameout of the gas stove caused by excessive rotation of the regulating knob when the gas stove is regulated to be in a small fire state.
Example 1
As in the example of fig. 1-2, the gas flow regulating device of the gas stove starting system comprises a regulating knob 1 arranged on a panel of the gas stove and a gas flow regulating valve connected with the regulating knob in the gas stove, and the on-off device comprises a switch button 2, an ignition switch arranged in the gas stove and a valve body switch of an electromagnetic valve. The adjusting knob and the gas flow adjusting valve in the embodiment are mechanically connected, the lower part of the adjusting knob is provided with the valve rod, the valve rod is in linkage with the valve core in the adjusting valve, and the valve core is driven to rotate by rotating the adjusting knob, so that the opening and closing of the gas flow adjusting valve and the adjustment of the flow are realized.
The adjusting knob 1 surrounds the outer ring of the switch button 2, and the adjusting knob 1 is concentric with the switch button 2, so that the adjusting knob 1 and the switch button are combined into an integral starting device. The adjusting knob 1 in the embodiment is an annular dial type adjusting knob 1, and is matched and integrated with the switch button 2 into a whole structure, so that better operation experience is brought to a user. The switch button 2 is convenient for a user to operate by one key, so that the steps before and after the operation are consecutive and smoother.
With reference to fig. 2-3, in this embodiment, the engagement of the adjusting knob 1 with the switch knob 2 is performed by a push rod 3 provided inside the starting device. A boss 1-1 is arranged on the inner wall of the adjusting knob 1, and a switch button ejector rod 2-1 is arranged on the inner side of the switch button 2. One end of the push rod 2-1 of the switch button is a plane closely attached to the switch button 2, and the other end is contacted with the push rod 3. The radial outer side wall of the push rod 3 is provided with a slide block 3-1, the slide block 3-1 is fixedly provided with a compression spring 3-2, and the compression spring 3-2 is connected to the limiting block 3-3. The push rod 3 is matched with the boss 1-1 and the push rod 2-1 of the switch button to form a locking device in a mechanical form of an integral structure of the gas stove starting system. The side wall of the push rod is provided with double groups of contacts at intervals, namely an ignition switch movable contact 3-11 and a solenoid valve body switch movable contact 3-21, and correspondingly, an ignition switch stationary contact 3-12 and a valve body switch stationary contact 3-22 are arranged in an interval space between the adjusting knob and the push rod. Under the closing state of the gas stove, the compression spring is in a telescopic state, so that the double-group contacts of the ignition switch and the valve body switch cannot be contacted, and the switch on-off device is in an off state.
When the adjusting knob is in a closed state, namely the switch on-off device is in a locking state, the axial centers of the boss 1-1, the push rod 3 and the switch button push rod 2-1 are mutually overlapped in the same plane, two ends of the push rod 3 are respectively abutted against the outer wall of the boss 1-1 and the end part of the switch button push rod 2-1, and the switch button 2 is in a locking state and cannot be pressed and controlled due to the limit of the boss 1-1, so that the conduction of an ignition circuit and a valve body switch circuit cannot be realized, and then a gas stove cannot be opened, so that the off state of the switch on-off device is formed.
In the ignition process, the adjusting knob is rotated and the switch button is unlocked, then the switch button is pressed, the push rod is indirectly pushed to generate displacement in the axial direction, the contacts of the ignition switch and the valve body switch are respectively connected at the same time, the ignition circuit and the valve body switch circuit are conducted, and the burner ignites. At the moment, the furnace end thermocouple senses the temperature of flame and converts heat energy into electric energy required by the attraction of the electromagnet in the electromagnetic valve, and even if the contact of the valve body switch is disconnected by the resilience force of the compression spring, the normal combustion of the burner is not affected. The ignition switch in the embodiment is a time-delay switch, and can maintain continuous pulse ignition for 3-20s on the premise of conducting an ignition circuit, so that the gas stove can be ensured to normally ignite.
When the gas stove is closed, the adjusting knob is rotated to the closing position, the boss, the push rod of the switch button and the push rod are matched with each other to open Guan Anniu for resetting and rebounding, so that the valve body is opened and closed, the gas flow adjusting valve and the electromagnetic valve are further closed, the double-valve is closed at the same time, the use safety of the gas stove is ensured, and the fire closing process is convenient and rapid. It is emphasized here that the mode that the double-deck valve body of gas flow control valve and solenoid valve locked the gas has ensured the safety in utilization of gas, has reduced the possibility and the safe risk of maloperation more, and slider boss makes switch button's reset more swiftly smooth and easy.
In the specific ignition step, referring to fig. 4-5, by first rotating the adjusting knob as the unlocking step, the gas flow adjusting valve connected with the adjusting knob is opened, the external gas source is communicated with the adjusting valve, and the gas is introduced into the adjusting valve body, but at this time, the gas pipeline from the adjusting valve to the burner is not communicated because the valve body switch of the electromagnetic valve is not opened. The function of the switch button is mainly to turn on a valve body switch and an ignition switch of the electromagnetic valve, so that the gas path between the regulating valve and the combustion chamber is communicated, the gas enters the burner, the ignition device sparks to activate the gas combustion, and the gas stove is successfully ignited and starts to operate.
The starting system of the gas stove can realize the quick opening and closing of the gas stove, and divide the switching function and the fire adjustment of the gas stove into two independent parts, thereby being convenient, quick, safe and efficient; the problem that the ignition is unsuccessful due to the fact that a rotary button is continuously pressed in the traditional ignition process and the pressing time is insufficient is solved, and the running stability is improved on the premise of releasing both hands; the operation of igniting the gas stove after unlocking ensures the use safety of the gas stove; the gas stove ignition and firepower adjustment are separately controlled, so that when the gas stove is adjusted to be in a small fire state, flameout of the gas stove is avoided due to excessive rotation of the adjusting knob, and the humanized dial type design of the knob is combined, so that when the gas stove is closed, the knob is only required to be rotated to a closing position, and the double-layer valve body of the gas valve and the valve body switch can be closed, so that the experience degree and comfort level of a user are greatly improved, the safety degree is high, and the reliability is strong.
Example 2
Referring to fig. 6 to 7, in the present embodiment, compared with embodiment 1, the boss structure of the adjusting knob 1 is eliminated, and the locking device is composed of a semicircular cam 4-1 and an electric lock switch 5 provided on the side wall of the valve rod 4, so that the simple mechanical locking device in embodiment 1 is converted into a control form of combining a machine with the electric lock switch. The electric lock switch, the ignition switch and the valve body switch form a set of control circuit, and the electric lock switch controls the on-off of the whole circuit. In this embodiment, the electric lock switch is a normally open limit switch, that is, when the adjusting knob is in a zero position, the side surface of the cam is in contact with the electric lock switch, and at this time, the electric lock switch in the control circuit is turned off. The adjusting knob is turned on, the side face of the cam is separated from contact with the electric lock switch, the locking state is released, the electric lock switch of the control circuit is turned on, the switch button is pressed, the ignition switch and the double-group contact of the valve body switch are turned on, and the gas stove is turned on. Closing the adjusting knob to reset the electric lock switch, controlling the electric lock switch of the circuit to be disconnected, and enabling the switch on-off device to enter a locking state. The specific circuit is shown in fig. 8. The ignition switch in this embodiment adopts flame inductive switch, and when the thermocouple on the combustor senses behind the flame burning, closes the ignition switch through the current signal of feedback, and the open and close principle of solenoid valve body switch is the same as embodiment 1, and the description is not repeated.
When the gas stove is started, the adjusting knob is rotated anticlockwise to open the adjusting device, and as the flat cutting surface is arranged on the side wall of the cam, after the valve rod rotates, the electric lock switch is separated from contact with the side wall of the cambered surface of the cam, so that the electric lock switch in the control circuit is conducted. When the gas stove needs to be closed, the valve rod needs to be rotated clockwise, so that the electric lock switch is contacted with the side wall of the cambered surface of the cam, and the control circuit is disconnected. The switch on-off device in the embodiment is controlled in a switch button mode, the resilience force of the compression spring always enables the double-set contacts to be disconnected, and when the ignition is started, the switch button is pressed to enable the double-set contacts of the ignition switch and the electromagnetic valve body switch to be in contact, and the switch on-off device is communicated. It should be pointed out that when the burner is flameout in the middle, as the locking device is not locked, namely the electric lock switch is still communicated in the control circuit, the secondary ignition of the gas stove can be realized only by pressing the switch button again, the existing complicated links of resetting the adjusting knob and restarting the gas stove are reduced, and the gas stove is convenient and quick.
The control switch on-off device is not limited to the switch button mode, and an electric control mode of a touch screen button can be introduced, and the electric control of the touch screen button is introduced into a control circuit of the switch on-off device to realize ignition and on-off of a valve body switch in the control circuit.
Example 3
The difference between this embodiment and embodiment 2 is that the mechanical adjusting knob is replaced by a touch screen button, the gas flow adjusting valve is converted from a manual control mode to an electric control proportional valve, a minimum control current is set for the electric control proportional valve, and the minimum control current is introduced into the control circuit of the electric lock switch and the switch on-off device. When the electric control proportional valve is opened, the minimum control current turns on the electric lock switch, the switch on-off device is unlocked, the touch screen button of the switch on-off device is clicked, the ignition switch and the valve body switch in the control circuit are turned on, and the gas stove is started. When the electric control proportional valve is closed, namely the gas stove is closed, the electric lock switch cannot detect a current signal, the control circuit is automatically cut off, and the switch on-off device enters a locking state.
The switch on-off device adopts an electric control mode of a touch screen button, and simultaneously controls the conduction of the ignition switch and the valve body switch in the control circuit. When the ignition switch is in an electric control mode, the ignition switch needs to be in a delay switch mode, and pulse ignition is turned off after the ignition switch contacts for a certain time. Instead of a touch screen button, an adjustment button may be used.
The starting system of the gas stove separately controls the fire power adjustment and the ignition, and simultaneously controls the opening and closing of the gas flow regulating valve and the gas flow adjustment through the rotation of the regulating knob, thereby realizing the fire power adjustment of the burner. The minimum flow of the flow regulating valve is limited, so that the lower limit of the flow of the gas valve can be limited, and flameout of the burner is prevented when the flow is small. The device effectively improves the running reliability of the burner and eliminates potential safety hazards.
It should be noted that some of the structures may be selected differently than the specific examples given above. If the valve body of the electromagnetic valve is opened or closed by adopting a gas flow method, after the gas flow is opened, the flow fluctuation range is smaller after a few seconds, and the automatic identification is carried out, so that the gas flow adjustment is not carried out, and the gas is automatically extinguished and turned off. 2. The locking means may be other locking structures than the mechanical form of the boss slider, as long as the locking relationship between the adjusting means and the switch button is satisfied. Etc., which are made by those skilled in the art based on their basic skills based on understanding the idea of the invention, and are not exemplified here.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments employed for the purpose of illustrating the principles of the present invention, however, the present invention is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the principles and spirit of the invention, and such modifications and improvements are also considered within the scope of the invention.
Claims (10)
1. The gas stove starting system is characterized by comprising a gas flow regulating device, a switch on-off device and a locking device for controlling whether the switch on-off device can be opened or not, wherein the locking and unlocking of the locking device are linked with the gas flow regulating device; unlocking the locking device while opening the gas flow regulating device, and then opening the switch on-off device to open the gas stove; the gas flow regulating device is closed and the locking device is locked, the switch on-off device is disconnected and enters a locking state, and the gas stove is closed.
2. The start-up system of claim 1, wherein the gas flow regulator includes a regulator knob disposed on the gas range panel and a gas flow regulator valve coupled to the regulator knob within the gas range.
3. The starting system of claim 1 wherein the on-off switch means comprises an ignition switch disposed inside the gas range and a valve body switch for controlling the solenoid valve.
4. The starting system of claim 1 wherein the locking means is in the form of a mechanical locking structure, an electric lock switch or a combination of a mechanical locking structure and an electric lock switch disposed inside the gas range.
5. The start-up system of claim 2, wherein the regulator knob is mechanically coupled to the gas flow regulator valve.
6. The start-up system of claim 2, wherein the regulator knob is electrically connected to the gas flow regulator valve.
7. A start-up system as claimed in claim 3, wherein the ignition switch and valve body switch are dual sets of contacts, and a circuit of dual sets of contacts is connected to the electric lock switch.
8. The starting system of claim 7 wherein the ignition switch is an ignition delay switch, a flame sensing switch, or a gas flow switch.
9. A start-up system as set forth in claim 3 wherein said solenoid valve is a thermocouple solenoid valve.
10. The activation system of claim 2, wherein the adjustment knob is an adjustment knob, an adjustment key, or a touch screen button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179888.4A CN109140534B (en) | 2018-10-10 | 2018-10-10 | Gas stove starting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179888.4A CN109140534B (en) | 2018-10-10 | 2018-10-10 | Gas stove starting system |
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| Publication Number | Publication Date |
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| CN109140534A CN109140534A (en) | 2019-01-04 |
| CN109140534B true CN109140534B (en) | 2024-02-20 |
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| CN201811179888.4A Active CN109140534B (en) | 2018-10-10 | 2018-10-10 | Gas stove starting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11402102B2 (en) | 2019-09-30 | 2022-08-02 | Midea Group Co., Ltd. | User-configurable two-step activation sequence for gas cooktop burner |
| US11255460B2 (en) | 2019-09-30 | 2022-02-22 | Midea Group Co., Ltd. | Two-step turn on for digital gas valves |
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| CN105180227A (en) * | 2015-10-19 | 2015-12-23 | 张琤 | Intelligent environmental protection range hood and gas stove all-in-one machine |
| CN107166448A (en) * | 2017-05-27 | 2017-09-15 | 杭州老板电器股份有限公司 | A kind of safe stove control system and control method |
| CN207635399U (en) * | 2017-11-23 | 2018-07-20 | 深圳市火王燃器具有限公司 | A kind of improved gas-cooker |
| CN108050564A (en) * | 2018-01-29 | 2018-05-18 | 杭州老板电器股份有限公司 | Side-suction type range hood |
| CN108561905A (en) * | 2018-06-25 | 2018-09-21 | 杭州老板电器股份有限公司 | Heat power of gas burner adjusts display device |
| CN209147160U (en) * | 2018-10-10 | 2019-07-23 | 杭州老板电器股份有限公司 | A kind of gas-cooker activation system |
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| CN109140534A (en) | 2019-01-04 |
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