CN110440303A - Instantaneous gas stove ignition system, ignition method and gas stove - Google Patents
Instantaneous gas stove ignition system, ignition method and gas stove Download PDFInfo
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- CN110440303A CN110440303A CN201810420921.1A CN201810420921A CN110440303A CN 110440303 A CN110440303 A CN 110440303A CN 201810420921 A CN201810420921 A CN 201810420921A CN 110440303 A CN110440303 A CN 110440303A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 239000000567 combustion gas Substances 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/10—Arrangement or mounting of ignition devices
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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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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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Abstract
本发明涉及燃气灶技术领域，公开一种瞬燃燃气灶点火系统、点火方法及燃气灶。该瞬燃燃气灶点火系统包括旋钮、电磁阀、延时打火脉冲器、点火磁针和火焰检测机构，旋钮分别与电磁阀和延时打火脉冲器连接，电磁阀通过管路与炉头接通，火焰检测机构与电磁阀连接，延时打火脉冲器与点火磁针连接，延时打火脉冲器与点火磁针之间连接有一电磁常闭开关，火焰检测机构与电磁常闭开关连接，火焰检测机构检测到点火成功后，能使电磁常闭开关断开。该瞬燃燃气灶通过在延时打火脉冲器与点火磁针之间连接有电磁常闭开关，有效防止了点火成功后点火磁针仍然持续打火的问题，进而缩短了打火噪音时间，增强了用户体验。
The invention relates to the technical field of gas stoves, and discloses an ignition system, an ignition method, and a gas stove for an instantaneous combustion gas stove. The ignition system of the instant combustion gas stove includes a knob, a solenoid valve, a delayed ignition pulser, an ignition magnetic needle and a flame detection mechanism. On, the flame detection mechanism is connected to the solenoid valve, the delay ignition pulser is connected to the ignition magnetic needle, an electromagnetic normally closed switch is connected between the delay ignition pulser and the ignition magnetic needle, the flame detection mechanism is connected to the electromagnetic normally closed switch, and the flame After the detection mechanism detects that the ignition is successful, the electromagnetic normally closed switch can be disconnected. The instant combustion gas stove is connected with an electromagnetic normally closed switch between the delay ignition pulser and the ignition magnetic needle, which effectively prevents the ignition magnetic needle from continuing to ignite after the ignition is successful, thereby shortening the ignition noise time and enhancing the user experience.
Description
技术领域technical field
本发明涉及燃气灶技术领域，尤其涉及一种瞬燃燃气灶点火系统、点火方法及燃气灶。The invention relates to the technical field of gas stoves, in particular to an ignition system, an ignition method and a gas stove for an instantaneous combustion gas stove.
背景技术Background technique
随着人们生活水平的普遍提高，燃气灶已进入千家万户。现有瞬燃燃气灶的点火系统一般包括：旋钮、阀体、脉冲器、点火磁针和热电偶。当用户按下旋钮并旋转后，脉冲器开始持续放电，点火磁针持续打火，当燃气被点燃后，热电偶受热产生热电动势，反馈给阀体中的电磁阀，电磁阀受力可维持常开，然后用户方可松手。然而目前很多瞬燃燃气灶，为了提高点火成功率，配有延时打火脉冲器，即使成功点火后延时打火脉冲器仍然会持续放电，点火磁针依然持续打火，这样在燃烧的火焰中就会发出“塔…塔…塔…”的声音，噪音持续时间较长，对于首次使用此类瞬燃燃气灶的用户会感到疑惑，误以为该瞬燃燃气灶点火系统出现了故障，尤其对于首次使用该瞬燃燃气灶的老人，容易引起心理恐慌，降低了用户体验。Along with the general improvement of people's living standards, gas stoves have entered thousands of households. The ignition system of the existing instantaneous combustion gas range generally includes: a knob, a valve body, a pulser, an ignition magnetic needle and a thermocouple. When the user presses the knob and turns it, the pulser starts to discharge continuously, and the ignition needle continues to ignite. When the gas is ignited, the thermocouple is heated to generate a thermoelectromotive force, which is fed back to the solenoid valve in the valve body, and the solenoid valve can maintain constant force. open, and then the user can let go. However, in order to improve the success rate of ignition, many instantaneous gas stoves are equipped with a delayed ignition pulser. The sound of "tower...tower...tower..." will be emitted, and the noise lasts for a long time. Users who use this kind of instantaneous gas stove for the first time will feel confused and mistakenly think that the ignition system of the instantaneous gas stove is faulty, especially For the elderly who use the instantaneous gas stove for the first time, it is easy to cause psychological panic and reduce user experience.
发明内容Contents of the invention
基于以上所述，本发明的目的在于提供一种瞬燃燃气灶点火系统、点火方法及燃气灶，以防止点火成功且用户松手后点火磁针仍然持续打火的问题，进而缩短打火噪音时间，增强用户体验。Based on the above, the purpose of the present invention is to provide an ignition system, an ignition method and a gas stove for an instant combustion gas stove, so as to prevent the problem that the ignition is successful and the ignition needle still continues to ignite after the user lets go, thereby shortening the ignition noise time, Enhance user experience.
为达上述目的，本发明采用以下技术方案：For reaching above-mentioned purpose, the present invention adopts following technical scheme:
一种瞬燃燃气灶点火系统，包括旋钮、电磁阀、延时打火脉冲器、点火磁针和火焰检测机构，所述旋钮分别与电磁阀和延时打火脉冲器连接，所述电磁阀通过管路与炉头接通，所述火焰检测机构与电磁阀连接，所述延时打火脉冲器与点火磁针连接，所述延时打火脉冲器与所述点火磁针之间连接有电磁常闭开关，所述火焰检测机构与所述电磁常闭开关连接，所述火焰检测机构检测到点火成功后，能使所述电磁常闭开关断开。An ignition system for an instantaneous combustion gas stove, comprising a knob, a solenoid valve, a delayed ignition pulser, an ignition magnetic needle and a flame detection mechanism, the knob is respectively connected to the solenoid valve and the delayed ignition pulser, and the solenoid valve passes through The pipeline is connected to the furnace head, the flame detection mechanism is connected to the electromagnetic valve, the delayed ignition pulser is connected to the ignition magnetic needle, and an electromagnetic constant is connected between the delayed ignition pulser and the ignition magnetic needle. Close the switch, the flame detection mechanism is connected with the electromagnetic normally closed switch, after the flame detection mechanism detects that the ignition is successful, it can disconnect the electromagnetic normally closed switch.
作为一种瞬燃燃气灶点火系统的优选方案，所述火焰检测机构为热电偶，所述热电偶设置在燃气灶的炉头上，所述热电偶受热后产生电动势，能使所述电磁常闭开关得电断开，并使所述电磁阀得电吸合。As a preferred scheme of the instant combustion gas stove ignition system, the flame detection mechanism is a thermocouple, the thermocouple is arranged on the burner of the gas stove, and the thermocouple generates an electromotive force after being heated, which can make the electromagnetic constant The closed switch is energized and disconnected, and the electromagnetic valve is energized and closed.
作为一种瞬燃燃气灶点火系统的优选方案，所述火焰检测机构包括火焰探测针和控制器，所述火焰探测针设置在燃气灶的炉头上，所述火焰探测针与控制器电连接，所述控制器分别与电磁阀和电磁常闭开关电连接，所述火焰探测针检测到点火成功后，发送信号至控制器，所述控制器控制电磁常闭开关断开以及所述电磁阀吸合。As a preferred scheme of an ignition system for an instant combustion gas stove, the flame detection mechanism includes a flame detection needle and a controller, the flame detection needle is arranged on the burner of the gas stove, and the flame detection needle is electrically connected to the controller , the controller is electrically connected to the electromagnetic valve and the electromagnetic normally closed switch respectively, and after the flame detection needle detects that the ignition is successful, it sends a signal to the controller, and the controller controls the electromagnetic normally closed switch to disconnect and the electromagnetic valve Suction.
作为一种瞬燃燃气灶点火系统的优选方案，所述旋钮设置在所述燃气灶的面板上，所述点火磁针设置在所述炉头上。As a preferred solution of an ignition system for an instant combustion gas stove, the knob is arranged on the panel of the gas stove, and the ignition magnetic needle is arranged on the burner head.
作为一种瞬燃燃气灶点火系统的优选方案，所述炉头上还设有引射管，所述电磁阀安装在所述引射管前的主通气管道上。As a preferred solution of the ignition system of the instant combustion gas stove, the burner head is also provided with an injection pipe, and the electromagnetic valve is installed on the main ventilation pipe in front of the injection pipe.
作为一种瞬燃燃气灶点火系统的优选方案，所述电磁阀为瞬燃型电磁阀。As a preferred solution of an ignition system for an instant-burning gas stove, the solenoid valve is an instant-ignition solenoid valve.
作为一种瞬燃燃气灶点火系统的优选方案，还包括火焰指示灯，所述火焰指示灯与所述火焰检测机构连接，当所述火焰检测机构检测到点火成功后，所述火焰指示灯亮起。As a preferred scheme of the ignition system of a instantaneous combustion gas stove, it also includes a flame indicator, which is connected to the flame detection mechanism, and when the flame detection mechanism detects that the ignition is successful, the flame indicator lights up .
作为一种瞬燃燃气灶点火系统的优选方案，还包括报警装置，当所述火焰检测机构在一定时间内未检测到点火成功时，所述报警装置发出报警。As a preferred solution of the ignition system for the instant combustion gas stove, an alarm device is also included, and when the flame detection mechanism fails to detect successful ignition within a certain period of time, the alarm device sends out an alarm.
一种瞬燃燃气灶点火方法，包括：A method for igniting an instant combustion gas stove, comprising:
旋转并按下旋钮；Turn and press the knob;
延时打火脉冲器持续放电，电磁阀吸合；The delay ignition pulser continues to discharge, and the solenoid valve is closed;
点火磁针持续打火；The ignition magnetic needle continues to ignite;
火焰检测机构检测到点火成功；The flame detection mechanism detects that the ignition is successful;
电磁阀保持吸合，电磁常闭开关断开，点火磁针停止打火。Solenoid valve keeps pulling in, and electromagnetic normally closed switch is disconnected, and ignition magnetic needle stops sparking.
一种燃气灶，包括以上任一方案所述的瞬燃燃气灶点火系统。A gas cooker, comprising the ignition system for an instant combustion gas cooker described in any of the solutions above.
作为一种燃气灶的优选方案，所述燃气灶包括至少两个炉头，每个所述炉头分别单独配置有一套所述瞬燃燃气灶点火系统。As a preferred solution of a gas stove, the gas stove includes at least two burners, and each of the burners is independently equipped with a set of the instant combustion gas stove ignition system.
本发明的有益效果为：The beneficial effects of the present invention are:
本发明通过在延时打火脉冲器与点火磁针之间配置电磁常闭开关，当需要燃气灶工作时，首先按压并旋转旋钮，此时电磁阀打开，延时打火脉冲器持续放电，电磁常闭开关不产生动作，点火磁针打火，从而使燃烧器中燃气被点燃，之后燃烧器中的火焰检测机构检测到点火成功，使电磁阀吸合，保持燃气接通状态，同时也使电磁常闭开关断开，从而将延时打火脉冲器与点火磁针隔开，此时点火磁针停止打火，燃气灶正常燃烧，从而完成整个点火动作。该瞬燃燃气灶实现了在点火成功后点火磁针即停止打火的功能，有效缩短了打火过程中燃气灶发出噪音的时间，增强了用户体验。In the present invention, an electromagnetic normally closed switch is arranged between the delay ignition pulser and the ignition magnetic needle. When the gas stove needs to work, the knob is first pressed and rotated. At this time, the electromagnetic valve is opened, and the delay ignition pulser continues to discharge. The normally closed switch does not move, the ignition magnetic needle ignites, so that the gas in the burner is ignited, and then the flame detection mechanism in the burner detects that the ignition is successful, so that the electromagnetic valve is closed to keep the gas connected, and at the same time the electromagnetic The normally closed switch is disconnected, thereby separating the delay ignition pulser from the ignition magnetic needle. At this time, the ignition magnetic needle stops ignition, and the gas stove burns normally, thereby completing the entire ignition action. The instant burning gas cooker realizes the function of stopping ignition immediately after the ignition magnetic needle is successfully ignited, which effectively shortens the time for the gas cooker to make noise during the ignition process and enhances user experience.
附图说明Description of drawings
为了更清楚地说明本发明实施例中的技术方案，下面将对本发明实施例描述中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据本发明实施例的内容和这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to the content of the embodiment of the present invention and these drawings without any creative effort.
图1是本发明提供的瞬燃燃气灶点火系统的连接示意图；Fig. 1 is the connection schematic diagram of the ignition system of the instantaneous combustion gas stove provided by the present invention;
图2是本发明实施例一提供的瞬燃燃气灶点火系统的连接示意图；Fig. 2 is a schematic connection diagram of the ignition system of the instant combustion gas stove provided by Embodiment 1 of the present invention;
图3是本发明实施例二提供的瞬燃燃气灶点火系统的连接示意图；Fig. 3 is a schematic connection diagram of the ignition system of the instantaneous combustion gas stove provided by the second embodiment of the present invention;
图4是本发明提供的瞬燃燃气灶点火系统的工作流程图；Fig. 4 is the working flow diagram of the instant combustion gas stove ignition system provided by the present invention;
图5是本发明实施例三提供的瞬燃燃气灶点火系统的工作流程图；Fig. 5 is a working flow chart of the ignition system of the instantaneous combustion gas stove provided by the third embodiment of the present invention;
图6是本发明实施例四提供的瞬燃燃气灶点火系统的工作流程图。Fig. 6 is a working flow chart of the ignition system for the instant combustion gas stove provided by the fourth embodiment of the present invention.
图中：In the picture:
1-旋钮；2-电磁阀；3-延时打火脉冲器；4-电磁常闭开关；5-点火磁针；6-火焰检测机构；61-热电偶；62-火焰探测针；63-控制器；7-炉头。1-knob; 2-solenoid valve; 3-delay ignition pulser; 4-electromagnetic normally closed switch; 5-ignition magnetic needle; 6-flame detection mechanism; 61-thermocouple; 62-flame detection needle; 63-control device; 7-stove head.
具体实施方式Detailed ways
为使本发明解决的技术问题、采用的技术方案和达到的技术效果更加清楚，下面将结合附图对本发明实施例的技术方案作进一步的详细描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.
实施例一Embodiment one
如图1所示，本实施例提供一种瞬燃燃气灶点火系统，该系统包括旋钮1、电磁阀2、延时打火脉冲器3、电磁常闭开关4、点火磁针5和火焰检测机构6。其中旋钮1设置在燃气灶的面板上，点火磁针5和火焰检测机构6分别设置在炉头7上，炉头7上还设有引射管，电磁阀2安装在引射管前的主通气管道上。上述旋钮1分别与电磁阀2和延时打火脉冲器3连动设置，用于带动电磁阀2吸合，同时使延时打火脉冲器3通电开启。电磁阀2通过管路与炉头7接通，用于向炉头7内通入天然气等可燃气体以供燃烧，优选地，本实施例中的电磁阀2为瞬燃型电磁阀，以提高燃气灶的点火速度。火焰检测机构6与电磁阀2电连接，用于在检测到点火成功后使电磁阀2吸合，燃气保持通路状态；延时打火脉冲器3与电磁常闭开关4连接，电磁常闭开关4与点火磁针5连接，从而当电磁常闭开关4处于闭合的状态时，延时打火脉冲器3与点火磁针5处于接通状态，延时打火脉冲器3产生高压放电，由高压线传给点火磁针5，使点火磁针5连续放电打火，而当电磁常闭开关4处于断开状态时，延时打火脉冲器3与点火磁针5不接通，点火磁针5不打火。此外，火焰检测机构6还与电磁常闭开关4连接，当火焰检测机构6检测到点火成功后，能使电磁常闭开关4断开，进而使点火磁针5停止打火。As shown in Figure 1, this embodiment provides an ignition system for an instant combustion gas stove, which includes a knob 1, a solenoid valve 2, a delay ignition pulser 3, an electromagnetic normally closed switch 4, an ignition magnetic needle 5 and a flame detection mechanism 6. Among them, the knob 1 is set on the panel of the gas cooker, the ignition magnetic needle 5 and the flame detection mechanism 6 are respectively set on the burner head 7, and the burner head 7 is also provided with an ejector tube, and the solenoid valve 2 is installed on the main ventilator in front of the injector tube. on the pipe. The above-mentioned knob 1 is set in linkage with the solenoid valve 2 and the delay ignition pulser 3 respectively, and is used to drive the solenoid valve 2 to pull in and simultaneously make the delay ignition pulser 3 energized and opened. Solenoid valve 2 is connected with burner 7 through pipeline, is used for passing combustible gas such as natural gas in burner 7 for combustion, preferably, solenoid valve 2 in the present embodiment is instant combustion type solenoid valve, to improve The ignition speed of the gas hob. The flame detection mechanism 6 is electrically connected with the electromagnetic valve 2, and is used to make the electromagnetic valve 2 pull in after detecting that the ignition is successful, and the gas remains in the passage state; the delay ignition pulser 3 is connected with the electromagnetic normally closed switch 4, and the electromagnetic normally closed switch 4 is connected with the ignition magnetic needle 5, so that when the electromagnetic normally closed switch 4 is in the closed state, the delay ignition pulser 3 and the ignition magnetic needle 5 are in the connected state, and the delay ignition pulser 3 generates a high-voltage discharge, which is transmitted by the high-voltage line Give the ignition magnetic needle 5 to make the ignition magnetic needle 5 continuously discharge and strike a fire, and when the electromagnetic normally closed switch 4 was in an off state, the delay ignition pulser 3 and the ignition magnetic needle 5 were not connected, and the ignition magnetic needle 5 did not spark. In addition, the flame detection mechanism 6 is also connected with the electromagnetic normally closed switch 4, and when the flame detection mechanism 6 detects that the ignition is successful, the electromagnetic normally closed switch 4 can be disconnected, and then the ignition magnetic needle 5 can stop ignition.
优选地，如图2所示，本实施例中火焰检测机构6为设置在燃气灶炉头7上的热电偶61，该热电偶61是由一对(两根)不同材料焊接在一起的合金丝，当一端加热，另一端冷却时，能在两合金丝之间产生电动势，其产生电动势的大小决定于合金丝的材料性质和加热温度。当热电偶61在火焰上加热时，其两端产生电动势提供给电磁阀2，使电磁阀2得电维持吸合，保持了燃气的导通；同时热电偶61两端产生的电动势还提供给电磁常闭开关4，电磁常闭开关4得电断开，使点火磁针5停止打火。而当发生意外熄火时，由于热电偶61两端的电动势消失，从而使电磁阀2失电释放，堵住燃气通路，防止燃气外溢。Preferably, as shown in FIG. 2, the flame detection mechanism 6 in this embodiment is a thermocouple 61 arranged on the burner head 7 of the gas stove, and the thermocouple 61 is an alloy welded together by a pair (two) of different materials. When one end of the wire is heated and the other end is cooled, an electromotive force can be generated between the two alloy wires, and the magnitude of the generated electromotive force depends on the material properties of the alloy wire and the heating temperature. When the thermocouple 61 is heated on the flame, the electromotive force generated at both ends of the thermocouple 61 is provided to the solenoid valve 2, so that the solenoid valve 2 is energized to maintain the pull-in, and the conduction of the gas is maintained; at the same time, the electromotive force generated at both ends of the thermocouple 61 is also provided to the Electromagnetic normally closed switch 4, electromagnetic normally closed switch 4 gets electricity and disconnects, and ignition magnetic needle 5 is stopped to spark. And when unexpected flameout occurs, because the electromotive force at both ends of the thermocouple 61 disappears, the solenoid valve 2 will be de-energized and released, blocking the gas passage and preventing the gas from overflowing.
本实施例通过在延时打火脉冲器3与点火磁针5之间配置一电磁常闭开关4，当需要燃气灶工作时，首先按压并旋转旋钮1，此时电磁阀2打开，延时打火脉冲器3持续放电，常闭电磁开关不产生动作，点火磁针5打火，从而使燃烧器中燃气被点燃，之后炉头7中的热电偶61受热产生热电动势，使电磁阀2得电保持吸合以保证燃气供应的畅通，同时热电偶61也使电磁常闭开关4得电而断开，从而将延时打火脉冲器3与点火磁针5隔开，此时点火磁针5停止打火，燃气灶正常燃烧，从而完成整个点火动作。该瞬燃燃气灶实现了在点火成功后点火磁针5即停止打火的功能，避免了点火成功后点火磁针5仍然持续打火的问题，减少了用户的疑惑和焦虑，有效缩短了点火过程中燃气灶发出噪音的时间，增强了用户体验。In this embodiment, an electromagnetic normally closed switch 4 is arranged between the delay ignition pulser 3 and the ignition magnetic needle 5. When the gas stove needs to work, the knob 1 is first pressed and rotated. At this time, the electromagnetic valve 2 is opened, and the delay ignition The fire pulser 3 continues to discharge, the normally closed electromagnetic switch does not move, the ignition magnetic needle 5 ignites, so that the gas in the burner is ignited, and then the thermocouple 61 in the burner 7 is heated to generate thermoelectromotive force, so that the solenoid valve 2 is energized Keep the pull-in to ensure the unimpeded supply of gas, and at the same time, the thermocouple 61 also makes the electromagnetic normally closed switch 4 energized and disconnected, thereby separating the delay ignition pulser 3 from the ignition magnetic needle 5, and the ignition magnetic needle 5 stops firing at this time. Fire, the gas stove burns normally, so as to complete the entire ignition action. The instantaneous combustion gas stove realizes the function of stopping the ignition after the ignition is successful, which avoids the problem that the ignition needle 5 still continues to ignite after the ignition is successful, reduces the user's doubts and anxiety, and effectively shortens the ignition process. The time the gas hob makes noise, enhances the user experience.
进一步地，该燃气灶点火系统还包括设置在燃气灶面板上的火焰指示灯，火焰指示灯与火焰检测机构6连接，当火焰检测机构6检测到点火成功后，能使火焰指示灯亮起，以便对用户起到更好地指示作用。具体地，在本实施例中，当点火成功后，热电偶61受火焰加热而产生热电动势，从而向火焰指示灯供电，使火焰指示灯得电亮起。Further, the gas cooker ignition system also includes a flame indicator light arranged on the gas cooker panel, the flame indicator light is connected with the flame detection mechanism 6, and when the flame detection mechanism 6 detects that the ignition is successful, the flame indicator light can be turned on so that Provide better guidance to users. Specifically, in this embodiment, when the ignition is successful, the thermocouple 61 is heated by the flame to generate a thermal electromotive force, thereby supplying power to the flame indicator light, so that the flame indicator light is powered on.
实施例二Embodiment two
如图3所示，本实施例提供了另一种瞬燃燃气灶点火系统，该点火系统与实施例一中的结构基本相同，其区别之处在于：本实施例的火焰检测机构6为火焰探测针62和控制器63。其中火焰探测针62设置在燃气灶的炉头7上，火焰探测针62与控制器63电连接，控制器63分别与电磁阀2和电磁常闭开关4电连接，当火焰探测针62检测到点火成功后，发送信号至控制器63，控制器63控制电磁阀2吸合，从而保持阀门的导通状态，同时控制电磁常闭开关4断开，使点火磁针5停止打火。本实施例同样实现了在点火成功后点火磁针5即停止打火的功能，缩短了点火过程中燃气灶发出噪音的时间，增强了用户体验。As shown in Figure 3, this embodiment provides another ignition system for instant combustion gas stoves. probe pin 62 and controller 63 . Wherein the flame detection needle 62 is arranged on the burner 7 of the gas range, the flame detection needle 62 is electrically connected with the controller 63, and the controller 63 is electrically connected with the electromagnetic valve 2 and the electromagnetic normally closed switch 4 respectively, when the flame detection needle 62 detects After the ignition is successful, a signal is sent to the controller 63, and the controller 63 controls the electromagnetic valve 2 to pull in, thereby keeping the conduction state of the valve, and simultaneously controls the electromagnetic normally closed switch 4 to disconnect, so that the ignition magnetic needle 5 stops ignition. This embodiment also realizes the function that the ignition magnetic needle 5 stops ignition after the ignition is successful, shortens the time for the gas stove to make noise during the ignition process, and enhances user experience.
进一步地，该燃气灶点火系统还包括报警装置，当火焰检测机构6在一定时间内一直未检测到点火成功时，控制器63切断关闭电磁阀2，避免了因点火失败造成的燃气泄漏的现象，同时报警装置发出报警。具体地，在本实施例中，还设置有定时器，当热电偶61在一定时间内一直没有产生电动势时，则定时器向控制器63发出信号，控制器63控制电磁阀2切断，报警装置发出报警，以提醒用户重新打火或检查故障。报警装置的设置进一步保障了该燃气灶点火系统的安全使用性。Furthermore, the gas stove ignition system also includes an alarm device. When the flame detection mechanism 6 fails to detect successful ignition within a certain period of time, the controller 63 cuts off and closes the solenoid valve 2, thereby avoiding gas leakage caused by ignition failure. , and the alarm device sends out an alarm at the same time. Specifically, in this embodiment, a timer is also provided. When the thermocouple 61 does not generate an electromotive force within a certain period of time, the timer sends a signal to the controller 63, and the controller 63 controls the solenoid valve 2 to cut off, and the alarm device An alarm is issued to remind the user to re-ignite or check for faults. The setting of the alarm device further ensures the safe use of the gas stove ignition system.
实施例三Embodiment Three
如图4所示，本实施例提供一种瞬燃燃气灶点火方法，该方法包括如下步骤：首先由用户按下并同时旋转旋钮1，这时延时打火脉冲器3在旋钮1的带动下开启而发出脉冲，脉冲作用于点火磁针5，使点火磁针5持续打火，同时旋钮1还带动电磁阀2吸合，从而向燃气灶的炉头7持续提供可燃气体；当燃烧器被点燃后，火焰检测机构6检测到点火成功，从而使电磁阀2保持吸合(即保持导通状态)，并使电磁常闭开关4断开，点火磁针5停止打火。该方法有效防止了点火成功且用户松手后点火磁针5仍然持续打火的问题，减少了打火噪音时间，提高了用户体验。As shown in Figure 4, the present embodiment provides a method for igniting an instant combustion gas stove. The method includes the following steps: first, the user presses and rotates the knob 1 at the same time, and at this time, the delay ignition pulser 3 is driven by the knob 1 When the pulse is turned on, the pulse acts on the ignition magnetic needle 5, so that the ignition magnetic needle 5 continues to ignite, and at the same time, the knob 1 also drives the electromagnetic valve 2 to pull in, so as to continuously provide combustible gas to the burner 7 of the gas stove; when the burner is ignited Afterwards, the flame detection mechanism 6 detects that the ignition is successful, so that the solenoid valve 2 remains engaged (that is, remains in a conducting state), and the electromagnetic normally closed switch 4 is disconnected, and the ignition magnetic needle 5 stops ignition. This method effectively prevents the problem that the ignition magnetic needle 5 still continues to ignite after the ignition is successful and the user lets go, reduces the ignition noise time, and improves user experience.
优选地，本实施例中火焰检测机构6为热电偶61，如图5所示，当燃烧器被点燃后，热电偶61在火焰上被加热，其两端产生电动势提供给电磁阀2，使电磁阀2得电维持吸合，保持了燃气的导通；同时热电偶61两端产生的电动势还提供给电磁常闭开关4，电磁常闭开关4得电断开，使点火磁针5停止打火。Preferably, the flame detection mechanism 6 in this embodiment is a thermocouple 61. As shown in FIG. Solenoid valve 2 is energized to maintain pull-in, keeping the conduction of gas; at the same time, the electromotive force generated at both ends of thermocouple 61 is also provided to electromagnetic normally closed switch 4, and electromagnetic normally closed switch 4 is energized to disconnect, so that ignition magnetic needle 5 stops firing. fire.
实施例四Embodiment Four
如图6所示，本实施例提供了另一种瞬燃燃气灶点火方法，该点火方法与实施例三中的点火方法基本相同，其区别之处在于：本实施例的火焰检测机构6为火焰探测针62和控制器63。As shown in Figure 6, this embodiment provides another ignition method for the instantaneous combustion gas stove, which is basically the same as the ignition method in Embodiment 3, the difference is that the flame detection mechanism 6 of this embodiment is Flame detection needle 62 and controller 63.
当燃烧器被点燃后，火焰探测针62检测到点火成功，并发送信号至控制器63，控制器63控制电磁阀2吸合，从而保持阀门的导通状态，同时控制电磁常闭开关4断开，使点火磁针5停止打火。When the burner is ignited, the flame detection needle 62 detects that the ignition is successful, and sends a signal to the controller 63, and the controller 63 controls the electromagnetic valve 2 to pull in, so as to keep the valve in the conduction state, and at the same time control the electromagnetic normally closed switch 4 to turn off Open, make ignition magnetic needle 5 stop sparking.
实施例五Embodiment five
本实施例提供一种燃气灶，具体为瞬燃燃气灶，该燃气灶包括实施例一或实施例二中所述的瞬燃燃气灶点火系统。本实施例通过在延时打火脉冲器3与点火磁针5间布置一电磁常闭开关4，从而在点火成功后即可使点火磁针5停止打火，减少了打火噪音时间，避免了用户特别是老年用户产生疑惑和担心。This embodiment provides a gas stove, specifically an instant combustion gas stove, which includes the ignition system for the instant combustion gas stove described in Embodiment 1 or Embodiment 2. In this embodiment, an electromagnetic normally closed switch 4 is arranged between the delay ignition pulser 3 and the ignition magnetic needle 5, so that the ignition magnetic needle 5 can stop ignition after the ignition is successful, which reduces the ignition noise time and avoids the need for users to Especially elderly users have doubts and worries.
进一步地，该燃气灶可以包括一个炉头7、两个炉头7或者多个炉头7，其中每个炉头7分别单独配置有一套上述瞬燃燃气灶点火系统，如单头灶配置一套上述点火系统，双头灶则配置两套上述点火系统，以实现对每个炉头7的灵活控制，方便用户操作使用。Further, the gas stove may include one burner 7, two burners 7 or multiple burners 7, wherein each burner 7 is separately equipped with a set of the above-mentioned instantaneous combustion gas stove ignition system, for example, a single burner stove is equipped with a The above-mentioned ignition system is set, and the double-burner stove is equipped with two sets of the above-mentioned ignition system, so as to realize the flexible control of each burner 7, which is convenient for users to operate and use.
注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112815361A (en) * | 2019-11-18 | 2021-05-18 | 海信(广东)厨卫系统有限公司 | Visual gas cooking utensils of firepower |
| CN111076237A (en) * | 2019-12-31 | 2020-04-28 | 南京云睿航天科技有限公司 | Protection system for preventing gas stove from being ignited for long time |
| CN111207419A (en) * | 2020-01-13 | 2020-05-29 | 佛山市顺德区美的洗涤电器制造有限公司 | Control method of gas cooker and gas cooker |
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