CN208124373U - Gas stove timing control device and gas-cooker - Google Patents

Abstract

The utility model provides a kind of gas stove timing control device and gas-cooker, it is related to machine for kitchen use technology, by the way that timer (400) is separately provided to be used to preset timing, and it is used to control the working condition for the solenoid valve (600) being installed on steam line to control the on-off of steam line；By the way that timer (400) are separately provided, it can be realized the timing extinction function of gas-cooker, and in normal work, the use of gas-cooker is not influenced, and, timer (400) and pulser (100) are separated from each other setting by the present embodiment, one of failure in timer (400) and pulser (100), or damage, only need replacing the timer (400) or pulser 100 of failure or damage, without timer (400) and pulser (100) are all replaced, compared to the prior art, cost can be substantially reduced.

Description

Gas stove timing control device and gas-cooker

Technical field

The utility model relates to machine for kitchen use technology more particularly to a kind of gas stove timing control devices and gas-cooker.

Background technique

As the universal indispensable cooking apparatus of every household, safety in utilization and convenience are increasingly disappeared gas-cooker The person of expense payes attention to.

Common gas-cooker does not have timing function, if forgetting to close fire, is easy burning foods and even causes fire.And it is existing Certain gas-cookers with timing function can solve the problem for forgetting to close fire, but these kitchen range generally use timer and arteries and veins The integrated mode of device is rushed to realize timing function.

The prior art reaches the function of gas stove timing in such a way that timer and pulser are integrated, so leads Cause, if timer and pulser one of them be broken, when maintenance, will entirely be changed, in this way, causing maintenance cost higher.

Utility model content

In view of the above-mentioned drawbacks in the prior art, the utility model provides a kind of gas stove timing control device and combustion gas Stove is able to solve above-mentioned technical problem.

The first aspect of the utility model is to provide a kind of gas stove timing control device, including：Pulser；Igniting is opened It closes, is connect with the pulser, be sent to pulser for receiving the firing command of user, and by the firing command；Igniting Needle is connect with the pulser, and the pulser controls the ignition electrode according to the firing command and executes ignition operation；Periodically Device for presetting timing, and issues timing end signal at the end of timing；Flame sensing circuit, with the timer Connection, for detecting the flare up fire of gas-cooker, and the flare up fire passes to the timer；Solenoid valve is installed on confession It in feed channel, and is connect with the timer, for being maintained open state after timer receives flare up fire, so that described Steam line can continue delivery of fuel gas；And closed state is switched to cut off combustion gas after receiving the timing end signal Gas circuit；Power circuit, for powering for the timer and pulser.

It is connect by ignition switch with pulser, ignition electrode is connect with pulser, and ignition switch is sent out after opening to pulser Firing command is sent, pulser controls ignition electrode and executes firing command, and timer is separately provided to be used in combination for presetting timing In sending timing end signal, the flare up fire of flame sensing circuit senses gas-cooker, and flare up fire is passed into timer, Timer Controlling is installed on the solenoid valve on steam line and is maintained open state so that steam line continues delivery of fuel gas, and electromagnetism Valve switches to closed state after receiving timing end signal to cut off combustion gas gas circuit.It, can by the way that timer is separately provided It realizes the timing extinction function of gas-cooker, and in normal work, does not influence the use of gas-cooker, also, the utility model will Timer and pulser are separated from each other setting, one of failure in timer and pulser, or damage, it is only necessary to Replacement is broken down or the timer or pulser of damage, without all replacing timer and pulser, compared to existing Technology can substantially reduce cost.

Optionally, the solenoid valve includes valve body, and being equipped in the valve body can move axially and can be rotated to adjust The valve rod of throughput, for the valve rod reset spring of upward pushing tow valve rod, and be connected or be truncated for controlling steam line The valve core spring of spool and press spool closure；It is additionally provided with iron core in the valve body, and is wound around on the outside of solenoid valve iron core Coil, at the spool close to one end of the coil be equipped with magnet；After timer receives flare up fire, the line Circle is powered and attracts magnet at the spool, is preset with driving the valve core movement extremely or maintaining the first of conducting steam line Position；When the coil receives the timing end signal, the coil blackout simultaneously discharges magnet at the spool, described Spool returns back to the second predeterminated position of truncation steam line under the action of the valve core spring, to cut off combustion gas gas circuit.

Optionally, the timer includes timing circuit, and the timing circuit is for presetting timing and when timing is tied Transmission timing end signal when beam；The power circuit includes power supply and power switch, and the power switch is connected to the electricity Between source and the timing circuit.

Since power switch is arranged between the timing circuit and power supply of timer, can be controlled whether by power switch Timing circuit power supply to timer, and then it is capable of the opening and closing of the timing function of independent control timer.

Optionally, the timer further includes reduction voltage circuit, and the input terminal of the reduction voltage circuit and the power circuit connect It connects, the output end of the reduction voltage circuit is connect with the pulser.

It powers after the reduction voltage circuit decompression that the voltage of power circuit passes through timer for pulser, pulser does not need individually Power supply is set.

Optionally, the input terminal of the reduction voltage circuit and the power supply are direct-connected.

Even if the timing function of timer is not opened as a result, or the timing circuit of timer damages, nor affect on The power supply of pulser.

Optionally, the timer further includes single-chip microcontroller, driving circuit for electromagnetic valve；The timing circuit and the single-chip microcontroller Connection；The flame sensing circuit is connect with the single-chip microcontroller, and the power circuit is single-chip microcontroller power supply；The solenoid valve The both ends of driving circuit are connect with single-chip microcontroller and the solenoid valve respectively；The single-chip microcontroller is used to receive the flame sensing Control signal is sent to the driving circuit for electromagnetic valve after the flare up fire that circuit is sent；The driving circuit for electromagnetic valve is used for The solenoid valve is driven to be maintained open state after receiving the control signal that the single-chip microcontroller is sent.

Opening or closing for the solenoid valve on steam line is controlled by sensing flame information and timing ending message, with Gas-cooker work is controlled, has the function of the encryption of intelligence in the case where that can guarantee that gas-cooker works normally.

Optionally, the gas stove timing control device further includes cue circuit, the cue circuit and the single-chip microcontroller Connection；The single-chip microcontroller is also used to when receiving the timing end signal, is controlled the cue circuit and is issued prompt information, To prompt user's timing to terminate.

By the way that cue circuit is arranged, user's timing can be prompted to be over, user experience can be further increased.

Optionally, the cue circuit comprises at least one of the following：Auditory tone cues module, flashing indicating module, display mention Show module.

Optionally, the flame sensing circuit includes flame sensing element and the Acquisition Circuit being set at kitchen range；It is described Acquisition Circuit is used to acquire the voltage and or current at flame sensing element both ends, and by the voltage signal and/or electric current Signal is sent to the timer, so that whether the timer is determining described with flare up fire.

Optionally, flame sensing element includes inductive needle and/or thermocouple.

Optionally, the timer further includes the operation button or operation rotation for presetting timing for user setting Button.

User can voluntarily preset timing by operation button or operation knob, can satisfy customization demand.

Optionally, the pulser includes ignition switch input circuit and high-tension ignition circuit, the ignition switch input The input terminal of circuit is connect with the ignition switch, the output end of the ignition switch input circuit and the high-tension ignition circuit Input terminal connection, the output end of the high-tension ignition circuit connect with the ignition electrode.

By high-tension ignition circuit conveying high-pressure electric current to ignition electrode, the rapid-ignition of gas-cooker can be realized.

On the other hand the utility model is to provide a kind of gas-cooker, including panel, and be arranged on the panel extremely A few burner, further includes gas stove timing control device as described above.

Gas-cooker provided by the utility model, including gas stove timing control device as described above, due to timer with Pulser is separated from each other, one of failure in timer and pulser, or damage, it is only necessary to which replacement is broken down Or the timer or pulser of damage compared to the prior art, can be significantly without all replacing timer and pulser Reduce cost.

Optionally, it is equipped with display on the panel, the display is connect with the timer, at least for showing Current preset timing and/or timing remaining time.

By being arranged display on panel, user can by default timing shown on display and/or Timing remaining time can more clearly know current timing cases, improve user experience.

The construction of the utility model and its other purpose of utility model and beneficial effect will be in conjunction with the accompanying drawings Description of preferred embodiments and it is more obvious and easy to understand.

Detailed description of the invention

Fig. 1 is the circuit structure block diagram for the gas stove timing control device that the present embodiment one provides；

Fig. 2 is the circuit structure block diagram for the gas stove timing control device that the present embodiment two provides；

Fig. 3 is the structural schematic block diagram of gas-cooker provided in this embodiment.

Description of symbols：

100- pulser；200- ignition switch；300- ignition electrode；

400- timer；500- flame sensing circuit；600- solenoid valve；

700- power circuit；800- cue circuit；110- ignition switch input circuit

120- high-tension ignition circuit；410- timing circuit；420- reduction voltage circuit；

430- single-chip microcontroller；440- driving circuit for electromagnetic valve；510- flame sensing element；

520- Acquisition Circuit；710- power supply；720- power switch；

1000- panel；2000- burner；3000- display.

Specific embodiment

Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.

Fig. 1 is the circuit structure block diagram for the gas stove timing control device that the present embodiment one provides.

Attached drawing 1 is please referred to, the present embodiment provides a kind of gas stove timing control devices, including：Pulser 100, igniting is opened Pass 200, ignition electrode 300, timer 400, flame sensing circuit 500, solenoid valve 600, power circuit 700.

Wherein, ignition switch 200 is connect with pulser 100, is sent out for receiving the firing command of user, and by firing command Give pulser 100.Ignition electrode 300 is connect with pulser 100, and pulser 100 controls ignition electrode 300 according to firing command and executes Ignition operation.Timer 400 issues timing end signal for presetting timing at the end of timing.Flame sensing electricity Road 500 is connect with timer 400, and for detecting the flare up fire of gas-cooker, and flare up fire passes to timer 400.Electromagnetism Valve 600 is installed on steam line, and is connect with timer 400, for after receiving the flare up fire of the transmission of timer 400 It is maintained open state, steam line can continue delivery of fuel gas；And closed state is switched to after receiving timing end signal To cut off combustion gas gas circuit.Power circuit 700 is used to power for timer 400 and pulser 100.

It should be noted that " combustion gas " signified in the present embodiment refers to that combustion gas is the general name of gaseous fuel, it can burn And heat is released, it is used for city dweller and industrial enterprise.There are many type of combustion gas, mainly there is natural gas, manufactured gas, manufactured fuel gas, liquefaction Oil gas and biogas, coal gas etc..

The on-off for the signal control steam line that solenoid valve 600 is mainly sent according to timer 400.Solenoid valve specifically can be with Using such as flowering structure：Valve body, being typically provided in valve body can move axially and can be rotated to adjust valve rod, the upward pushing tow of throughput The valve rod reset spring of valve rod, the spool bullet for controlling the spool that steam line is turned on or off and press spool closure Spring.

Valve rod one end is stretched out outside valve body to be connected with a knob, and when knob pushes under external force, valve rod pushes electromagnetism The spool of valve moves forward and compresses valve core spring, and solenoid valve is opened at this time.When external force eliminate when, if solenoid valve obtain it is electric, in electromagnetism Attract the magnet that spool inner end is set under the magneticaction that valve interior loop generates and continued compression valve core spring makes at spool In the first predeterminated position of conducting steam line, so that solenoid valve is maintained open state；If circuit is disconnected where solenoid valve When electric, spool can be automatically replied then under valve core spring tension and then move to the second predeterminated position, and solenoid valve is closed.

Certainly, during specific implementation, the structure of solenoid valve is not limited to this, and the present embodiment is only illustrated herein It is bright.

Pulser 100 may include ignition switch input circuit 110 and high-tension ignition circuit 120, ignition switch input electricity The input terminal on road 110 is connect with ignition switch 200, output end and the high-tension ignition circuit 120 of ignition switch input circuit 110 Input terminal connection, the output end of high-tension ignition circuit 120 are connect with ignition electrode 300.

Pulser 100 can be a pulsed high-frequency oscillator of electronic component composition.Pulser 100 is receiving a little After fire instruction, the boosted transformer of the high frequency voltage as caused by oscillator rises the high voltage at 15KV, to control ignition electrode 300 Point discharge is carried out, by the combustion gas on the spark initiation burner that discharges.

The ignition effectiveness of pulser 100 is high, can continuous discharge.When user's operation ignition switch 200, pulser 100 is controlled Ignition electrode 300 starts to light a fire；Ignition switch 200 is disconnected, then pulser 100 controls ignition electrode 300 and stops lighting a fire.

Ignition switch 200 can be knob switch or push button switch.Before user's igniting, user can manually handle electricity Magnet valve knob is to open solenoid valve 600 under instantaneous outer masterpiece, and then steam line can be to delivery of fuel gas at burner, Yong Hucao Make ignition switch 200, such as rotation or pressing ignition switch 200, to issue firing command.

Flame sensing circuit 500 may include the flame sensing element 510 and Acquisition Circuit 520 being set at kitchen range.It adopts Collector 520 is used to acquire the voltage and or current at 510 both ends of flame sensing element, and by voltage signal and/or current signal It is sent to timer 400, so that timer 400 determines whether with flare up fire.

In the present embodiment, flame sensing element 510 may include inductive needle and/or thermocouple.Specifically, in gas-cooker On at least one flame sensing element 510 can be set, when being provided with two or more flame sensing elements 510, Two flame sensing elements 510 can be the same or different.

The working principle of inductive needle is about：When burner combustion, flame is burnt on inductive needle, and the ion in flame will Burner is connected with inductive needle, and flame sensing circuit 500 detects specific faint electric current and/voltage, flame sense on inductive needle Slowdown monitoring circuit 500 can simultaneously amplify the current signal and/voltage signal, pass to single-chip microcontroller 430, single-chip microcontroller 430 just determines burning Device is burning, and is maintained open state to control solenoid valve 600.

The general principles of thermocouple are：When burner combustion, the end thereof contacts flame of thermocouple, flame sensing circuit 500 detect on thermocouple specific faint electric current and/voltage, flame sensing circuit 500 and can by the signal code signal with/ Voltage signal amplification passes to single-chip microcontroller 430, and single-chip microcontroller 430 just determines that burner has been lighted, to control the maintenance of solenoid valve 600 Opening state.

After user's manually handle solenoid valve knob opens solenoid valve 600, the opening state of solenoid valve 600 needs one It is directly maintained, inductive needle and/or thermocouple constant testing are to flare up fire, then solenoid valve 600 obtains electric, can maintain always to be in beat Open state enables steam line to continue as burner delivery of fuel gas.

When being put out by water for example, working as burner by the water to be boiled in cookware, or extinguishing because of other emergency situations, inductive needle And/or thermocouple then can't detect flare up fire, indicate that burner has stopped working, the current vanishes in flame sensing circuit 500, 600 power loss of solenoid valve is closed, so that the fuel gas transmission gas circuit of steam line is cut off, so as to play the role of blowout protection, Substantially increase safe application performance.

In the present embodiment, timer 400 is connect with solenoid valve 600, when solenoid valve 600 receives timing end signal Afterwards, timer 400 can provide reverse current to solenoid valve 600, so that solenoid valve 600 switches to closed state to cut off combustion Gas gas circuit directly plays the flame-out effect of timing.Can reduce because user not aside or forget close gas-cooker and cause Burner burns always and generates the risk of larger fire hazard.

Timer 400 can also include the operation button or operation knob for presetting timing for user setting.Tool Body, the operation button or operation knob of timer 400 can be exposed from the panel of gas-cooker, in order to user's operation, use It family can be with rotation process knob with the selected duration for needing timing, alternatively, operation button selectes the duration for needing timing, herein The present embodiment does not limit.

The sign for being equipped with and being directed toward time scale can be marked, at operation button or operation knob in order to for setting Timing, user can voluntarily preset timing by operation button or operation knob, can satisfy customization demand.

Gas stove timing control device further includes cue circuit 800, and cue circuit 800 is connect with single-chip microcontroller 430；Single-chip microcontroller 430 are also used to when receiving timing end signal, and control cue circuit 800 issues prompt information, to prompt user's timing to tie Beam.By the way that cue circuit is arranged, after timing reaches, cue circuit 800 can prompt user's timing to be over, can Further increase user experience.

Specifically, cue circuit 800 may include following at least one：Auditory tone cues module, flashing indicating module, display Cue module.For example, beeped after timing specifically, cue circuit 800 may include buzzer, and/or, It may include player, voice broadcast message preset in player, such as can directly issue：" it note that timing has been tied The voice of beam " etc., and/or, it may include flashing lamp, after timing, flashing lamp can continue flashing a period of time, to mention Show that user's timing terminates.

Gas timing control device provided in this embodiment is connect by ignition switch 200 with pulser 100, ignition electrode 300 connect with pulser 100, send firing command, the control igniting of pulser 100 to pulser 100 after the unlatching of ignition switch 200 Needle 300 executes firing command, by the way that timer 400 is separately provided to be used to preset timing, and terminates for issuing timing Signal, flame sensing circuit 500 sense the flare up fire of gas-cooker, and flare up fire is passed to timer 400, timer 400 solenoid valves 600 that are installed on steam line of control are maintained open state so that steam line continues delivery of fuel gas, and electromagnetism Valve 600 switches to closed state after receiving timing end signal to cut off combustion gas gas circuit.

By the way that timer 400 is separately provided, the timing extinction function of gas-cooker can be realized, and in normal work, no The use of gas-cooker is influenced, also, timer 400 and pulser 100 are separated from each other setting by the present embodiment, when timer 400 With one of failure in pulser 100, or damage, it is only necessary to replacement break down or damage timer 400 or Pulser 100 compared to the prior art, can be substantially reduced into without all replacing timer 400 and pulser 100 This.

Embodiment two

The present embodiment on the basis of example 1, is explained in further detail the timer in embodiment.Fig. 2 is For the circuit structure block diagram for the gas stove timing control device that the present embodiment two provides.

Attached drawing 2 is please referred to, timer 400 may include timing circuit 410, when timing circuit 410 is specifically used for presetting Time and the transmission timing end signal at the end of timing.Power circuit 700 includes power supply 710 and power switch 720, and power supply is opened 710 are closed to be connected between power supply 710 and timing circuit 410.By being set between the timing circuit 410 and power supply 710 of timer Power switch is set, can control whether to power to the timing circuit 410 of timer 400 by power switch 720, and then can be single The opening and closing of the timing function of only control timer 400.To meet the need that user does not need starting gas stove timing function sometimes It asks, flexibility is more preferable.

Optionally, timer 400 can also include reduction voltage circuit 420, the input terminal and power circuit of reduction voltage circuit 420 700 connections, the output end of reduction voltage circuit 420 are connect with pulser 100.For example, timer 400 accesses the power supply 710 of 3V, power supply 710 supply pulser 100 after the reduction voltage circuit 420 in timer 400 is depressured into 1.5V.

It is, of course, understood that reduction voltage circuit 420 can also be independent from timer 400, and it is provided separately within The other positions of gas-cooker.

Reduction voltage circuit 420 in timer 400 can be mutually indepedent with timing circuit 410, the input terminal of reduction voltage circuit 420 It can be direct-connected with power supply 710.Even if not starting the timing function of timer 400 as a result, pulser 100 is also able to use.

Timer 400 can also include single-chip microcontroller 430, driving circuit for electromagnetic valve 440；Timing circuit 410 and single-chip microcontroller 430 Connection.Can be built-in many in single-chip microcontroller 430, flame sensing circuit 500 is connect with single-chip microcontroller 430, and power circuit 700 is monolithic Machine 430 is powered.The both ends of driving circuit for electromagnetic valve 440 are connect with single-chip microcontroller 430 and solenoid valve 600 respectively.Single-chip microcontroller 430 is used for Control signal is sent to driving circuit for electromagnetic valve 440 after the flare up fire for receiving the transmission of flame sensing circuit 500；Solenoid valve Driving circuit 440 is used for the drive magnetic valve 600 after the control signal for receiving the transmission of single-chip microcontroller 430 and is maintained open state.

In addition, optionally prioritization scheme, timer 400 can be with embedded with safety programs, specifically, single-chip microcontroller 430 It can be also used for after receiving timing end signal, control flame sensing circuit 500 detects flare up fire, single-chip microcontroller 430 again After determination has flare up fire at this time, control 440 drive magnetic valve 600 of driving circuit for electromagnetic valve switches to closed state, with Cut off combustion gas gas circuit so that burner is flame-out, be further ensured that gas-cooker using safe.

Embodiment three

Fig. 3 is the structural schematic block diagram of gas-cooker provided in this embodiment.

Attached drawing 3 specifically is please referred to, the present embodiment provides a kind of gas-cookers, including panel 1000, and are arranged in panel At least one burner 2000 on 1000 further includes the gas stove timing control device such as embodiment one or embodiment two.

Structure, principle and the effect and embodiment one of the gas stove timing control device of gas-cooker or implementation in the present embodiment Example two is identical, specifically can refer to embodiment one or embodiment two, here, this embodiment is not repeated.

Optionally, in the present embodiment, display 3000, display 3000 and timing are also provided on panel 1000 Device 400 connects, at least for showing current preset timing and/or timing remaining time.Specifically, display 3000 can be with For plasma display, vacuum fluorescent display, liquid crystal display etc..

By the way that display 3000 is arranged on panel, user can pass through default timing shown on display And/or timing remaining time, it can more clearly know current timing cases, improve user experience.

It should be appreciated that each section of the utility model can be realized with hardware, software, firmware or their combination.? It, and in another embodiment, can be with well known in the art for example, if realized with hardware in above embodiment Any one of following technology or their combination are realized：With for realizing the logic gate electricity of logic function to data-signal The discrete logic on road, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA) are existing Field programmable gate array (FPGA) etc..

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand：It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (14)

1. a kind of gas stove timing control device, which is characterized in that including：

Pulser (100)；

Ignition switch (200), the ignition switch (200) connect with the pulser (100), and the igniting for receiving user refers to It enables, and the firing command is sent to pulser (100)；

Ignition electrode (300), the ignition electrode (300) connect with the pulser (100), and the pulser (100) is according to Firing command controls the ignition electrode (300) and executes ignition operation；

Timer (400), the timer (400) periodically terminate letter for presetting timing, and issuing at the end of timing Number；

Flame sensing circuit (500), the flame sensing circuit (500) connect with the timer (400), for detecting combustion gas The flare up fire of stove, and the flare up fire passes to the timer (400)；

Solenoid valve (600), the solenoid valve (600) is installed on steam line, and connect with the timer (400), is used for It is maintained open state after timer (400) receives flare up fire, so that the steam line can continue delivery of fuel gas；And Closed state is switched to after receiving the timing end signal to cut off combustion gas gas circuit；

Power circuit (700), for powering for the timer (400) and pulser (100).

2. gas stove timing control device according to claim 1, which is characterized in that the solenoid valve (600) includes valve Body, being equipped in the valve body can move axially and can be rotated to adjust the valve rod of throughput, for upward pushing tow valve rod Valve rod reset spring, and the valve core spring of spool and press spool closure for controlling steam line conducting or truncation；

It is additionally provided with iron core in the valve body, and is wound around the coil on the outside of solenoid valve iron core, close to institute at the spool The one end for stating coil is equipped with magnet；

After timer (400) receives flare up fire, the coil is powered and attracts magnet at the spool, described in driving Valve core movement to or maintain conducting steam line the first predeterminated position；

When the coil receives the timing end signal, the coil blackout simultaneously discharges magnet at the spool, described Spool returns back to the second predeterminated position of truncation steam line under the action of the valve core spring, to cut off combustion gas gas circuit.

3. gas stove timing control device according to claim 1 or 2, which is characterized in that the timer (400) includes Timing circuit (410), the timing circuit (410) is used to preset timing and transmission timing terminates letter at the end of timing Number；

The power circuit (700) includes power supply (710) and power switch (720), and the power switch (710) is connected to described Between power supply (710) and the timing circuit (410).

4. gas stove timing control device according to claim 3, which is characterized in that the timer (400) further includes The input terminal of reduction voltage circuit (420), the reduction voltage circuit (420) is connect with the power circuit (700), the reduction voltage circuit (420) output end is connect with the pulser (100).

5. gas stove timing control device according to claim 4, which is characterized in that the reduction voltage circuit (420) it is defeated It is direct-connected with the power supply (710) to enter end.

6. gas stove timing control device according to claim 3, which is characterized in that the timer (400) further includes Single-chip microcontroller (430) and driving circuit for electromagnetic valve (440)；The timing circuit (410) connect with the single-chip microcontroller (430)；

The flame sensing circuit (500) connect with the single-chip microcontroller (430), and the power circuit (700) is the single-chip microcontroller (430) it powers；

The both ends of the driving circuit for electromagnetic valve (440) are connect with single-chip microcontroller (430) and the solenoid valve (600) respectively；

The single-chip microcontroller (430) is used for after receiving the flare up fire that the flame sensing circuit (500) sends to the electricity Electromagnetic valve driving circuit (440) sends control signal；The driving circuit for electromagnetic valve (440) is for receiving the single-chip microcontroller (430) solenoid valve (600) is driven to be maintained open state after the control signal sent.

7. gas stove timing control device according to claim 6, which is characterized in that the gas stove timing control device It further include cue circuit (800), the cue circuit (800) connect with the single-chip microcontroller (430)；The single-chip microcontroller (430) is also Prompt information is issued for when receiving the timing end signal, controlling the cue circuit (800), to prompt user fixed When terminate.

8. gas stove timing control device according to claim 7, which is characterized in that the cue circuit (800) includes Following at least one：Auditory tone cues module, flashing indicating module, display reminding module.

9. gas stove timing control device according to claim 1, which is characterized in that the flame sensing circuit (500) Including the flame sensing element (510) being set at kitchen range and Acquisition Circuit (520)；

The Acquisition Circuit (520) is used to acquire the voltage and or current at flame sensing element (510) both ends, and by institute It states voltage signal and/or current signal is sent to the timer (400), so that the timer (400) determines whether have Flare up fire.

10. gas stove timing control device according to claim 9, which is characterized in that flame sensing element (510) includes Inductive needle and/or thermocouple.

11. gas stove timing control device according to claim 1, which is characterized in that the timer (400) further includes For presetting the operation button or operation knob of timing for user setting.

12. gas stove timing control device according to claim 1, which is characterized in that the pulser (100) includes a little Fiery switch input circuit (110) and high-tension ignition circuit (120), the input terminal of the ignition switch input circuit (110) and institute State ignition switch (200) connection, output end and the high-tension ignition circuit (120) of the ignition switch input circuit (110) Input terminal connection, the output end of the high-tension ignition circuit (120) connect with the ignition electrode (300).

13. a kind of gas-cooker, including panel, and at least one burner of setting on the panel, which is characterized in that also Including the described in any item gas stove timing control devices of such as claim 1-12.

14. gas-cooker according to claim 13, which is characterized in that be equipped with display, the display on the panel Device is connect with the timer (400), at least for showing current preset timing and/or timing remaining time.