CN207334792U - Gas-cooker - Google Patents

Abstract

The utility model discloses a kind of gas-cooker, including gas leakage detection and at least one of phonetic alarm device, low battery speech prompting device, accident extinguishing detection and warning device, normal pass fiery speech prompting device, anti-dry speech prompting device and loss of ignition speech prompting device.Each device is electrically connected controller (201) and speech prompting device (500), speech prompting device includes speech chip (1) and loudspeaker (2), and speech chip driving loudspeaker after the function alerting signal that reception controller is sent sends prompting voice corresponding with function alerting signal.The utility model can carry out extra voice reminder, to allow the obtaining information of user's quicklook, carry out situation processing instantly.The more multi-functional voice reminders such as accident extinguishing, normal pass fire, loss of ignition can also be increased, user is greatly facilitated, may also be combined with indicator light prompting, remote prompting etc., even if user can also obtain instant messages away from gas-cooker, carry out emergency processing.

Description

Gas-cooker

Technical field

The utility model belongs to field of kitchen electric appliance, and in particular, to a kind of gas kitchen ranges.

Background technology

The development of gas kitchen ranges increasingly safety-sensitive the problem of, but many safety feedback functions are not very straight at present See, particularly when gas-cooker user is mostly middle-aged and elderly people in family.For example, common gas-cooker more be equipped with configuration buzzer with The buzzing alarm of drop drop is produced in gas leakage, reminds user the situation of gas alarm occur.Although this has certain gas leakage Prompting effect, but feedback effects are not directly perceived, because gas leakage, which is not normal probability, occurs event, once gas leakage occurs, use Family does not know what meaning drop drop sound represents, and has a degree of maloperation event and occurs, it is impossible to provides the user with accurately Fault message is to instruct user to make next step operational motion, or even easily ignores buzzing alarm by user.

And the adjoint age increases, the visual impairment of middle-aged and elderly people, amnesia is multiple, and reagency declines, individually visual Change or the feedback effects of simple buzzer cannot meet the needs of person in middle and old age user, and need multi-angle is many-sided to carry out more Multi-functional increase is reminded, quicklook is reminded, to obtain immediate response.For example, struck sparks by rotation process coal gas rotary valve Or Guan Huoshi, user easily ignores success of whether lighting a fire, or whether normally closes igneous work(, or even have ignored improper pass fire Deng.In addition, existing kitchen range electricity is generally shown without electricity, or increase a mark for display electricity, electricity on the panel of kitchen range Meeting bright light when measuring low, but feedback effects are also not directly perceived, are easily ignored by user, cause battery altering not in time.In addition, If user, when using kitchen range Baoshang, people is not beside user, and that something unexpected happened is flame-out for kitchen range, but user does not know at this time Kitchen range stopped work, and the time of culinary art has been have impact on when finding.

Utility model content

For the drawbacks described above or deficiency of the prior art, the utility model provide one kind be capable of providing it is multi-functional prompting and The gas-cooker that various ways are reminded, greatly facilitates the use of user, can obtain various functions immediately and remind information, instantly Handle at once.

To achieve the above object, the utility model provides a kind of gas-cooker, and the gas-cooker is detected including gas leakage And the detection of phonetic alarm device, low battery speech prompting device, accident extinguishing and warning device, the normal fire voice reminder that closes fill Put, at least one of anti-dry speech prompting device and loss of ignition speech prompting device.

Preferably, the gas-cooker may include to carry with gas leakage detection and phonetic alarm device, low battery voice Awake device, accident extinguishing detection and warning device, normally close fiery speech prompting device, anti-dry speech prompting device and light a fire and lose Controller and speech prompting device that speech prompting device is electrically connected are lost, the speech prompting device includes speech chip and expansion Sound device, the speech chip driven after the function alerting signal that the controller sends is received the loudspeaker send with it is described The corresponding prompting voice of function alerting signal.

Preferably, the gas-cooker includes pulse igniter, and the pulse igniter includes the MCU as the controller Chip.

Preferably, the speech prompting device further includes encapsulating housing, and the speech chip and loudspeaker are arranged on described In encapsulating housing, the encapsulating housing is independently installed in the housing of the gas-cooker.

Preferably, gas detectors are provided with the speech chip.

Preferably, the gas leakage detection and phonetic alarm device, low battery speech prompting device, accident extinguishing detection And in warning device, the fiery speech prompting device in normal pass, anti-dry speech prompting device and loss of ignition speech prompting device Each includes corresponding indicator light, and the controller drives and the function while function alerting signal is sent The corresponding indicator light of alerting signal, which is made, accordingly warns.

Preferably, the gas leakage detection and phonetic alarm device, low battery speech prompting device, accident extinguishing detection And in warning device, the fiery speech prompting device in normal pass, anti-dry speech prompting device and loss of ignition speech prompting device During any one failure, the corresponding indicator light is closed.

Preferably, the gas-cooker further includes WIFI reception devices, and the controller is sent out by the WIFI reception devices Go out wireless alarm signal corresponding with the function alerting signal.

Preferably, the gas-cooker is further included is electrically connected and external coal gas report with the controller and speech prompting device Alert device, in the external space of the gas-cooker there are during gas leakage, the gas leak detector passes through the speech prompting device Send voice reminder.

Wherein, the gas leakage detection and phonetic alarm device may include：

Gas leakage detection device, in real time monitoring reveal gas concentration and judge whether the leakage gas concentration value is more than Concentration value is set, when the leakage gas concentration value is more than setting gas concentration value, generates corresponding gas leakage signal；

The speech prompting device, is electrically connected the gas leakage detection device, is receiving the gas leakage signal When send gas leakage voice reminder.

Further, the gas leakage detection device includes：

Gas detectors, in real time monitoring reveal gas concentration and generate corresponding inspection according to the leakage gas concentration value of monitoring Signal is surveyed to send to gas leakage comparator；

The gas leakage comparator, the detection signal is compared with baseline threshold, comparative result is sent to control Device processed；And

The controller, judges whether the leakage gas concentration value is more than the setting combustion gas according to the comparative result Concentration value, and when the leakage gas concentration value is more than setting concentration value, generate the gas leakage signal.

Further, the gas-cooker may include switch module, and the switch module is electrically connected the gas leakage inspection Survey and phonetic alarm device and the gas supply that the gas-cooker is cut off when receiving the gas leakage signal.

Wherein, the low battery speech prompting device includes：

Battery electric quantity checking device, detects the battery capacity of the supplying cell of pulse igniter and is given birth in low battery in real time Into low battery signal；And

The speech prompting device, is electrically connected the battery electric quantity checking device, when receiving the low battery signal Send low battery voice reminder.

Further, the battery electric quantity checking device may include：

Battery voltage detection circuit, the magnitude of voltage for detecting the battery both ends in real time concurrently send voltage value signal to battery electricity Measure comparator；

The battery capacity comparator, receives the voltage value signal of detection and compared with setting voltage threshold, will Comparative result sends controller；

The controller, judges whether the battery is in low battery state according to the comparative result, and is judging institute State when battery is in low battery state and generate the low battery signal.

Wherein, the accident extinguishing detection and warning device include：

Accident extinguishing detection device, judges whether coal gas rotary valve is in valve opening shape by valve rod rotation angle detector State, and judge whether burner stops working by temperature-sensitive thermocouple, it is in valve opening state and the stove in the judgement coal gas rotary valve When head is flame-out, corresponding accident extinguishing signal is generated；And

The speech prompting device, is electrically connected the accident extinguishing detection device, is receiving the accident extinguishing signal When send accident extinguishing audio alert.

Further, the accident extinguishing detection device may include：

The valve rod rotation angle detector, detects the rotary angle position of the valve rod of the coal gas rotary valve and sends rotation Gyration position signal；

The temperature-sensitive thermocouple, senses the temperature of the burner and sends electromotive force signal；

The controller, obtains the rotary angle position signal and the electromotive force signal in real time, and in the rotation Angle position signal is non-zero-degree rotary angle position signal and the electromotive force signal from the high level more than upper predetermined threshold When state is decreased below the low level state of lower predetermined threshold, the corresponding accident extinguishing signal is generated.

The valve rod rotation angle detector may include potentiometer, encoder or microswitch.

Further, the gas-cooker may also include switch module, and the switch module is electrically connected the accident extinguishing inspection Survey and warning device and the gas supply that the gas-cooker is cut off when receiving the accident extinguishing signal.

Wherein, the normal fire speech prompting device that closes includes：

It is normal to close fire detection device, judge coal gas rotary valve whether in pass valve trend by valve rod rotation angle detector State and whether close valve in place, judge the coal gas rotary valve be in close valve trend state and close valve in place when, generation The corresponding fiery signal in normal pass；And

The speech prompting device, is electrically connected the normal pass fire detection device, is receiving the fiery signal in normal pass When send and normal close fiery voice reminder.

Further, the normal fire detection device of closing may include：

The valve rod rotation angle detector, detects the rotary angle position of the valve rod of the coal gas rotary valve and at least sends out Send the second rotary angle position signal behind the first rotary angle position signal of original state, setting time interval and zero Trigger signal in place is closed in triggering when spending rotary angle position；

The controller, the change according to the first rotary angle position signal to the second rotary angle position signal Whether change coal gas rotary valve described in Trend judgement in the pass valve trend state, and judging in the pass valve trend state And when receiving the closing trigger signal in place, generate the fiery signal in normal pass.

Further, the normal pass fire detection device, which is additionally operable to trigger when setting rotary angle position, begins to shut off Trigger signal；The controller is additionally configured to judging in the pass valve trend state and be sequentially received the beginning Close trigger signal and the closing in place trigger signal when, generate and described normal close fiery signal.

The setting rotary angle position can be such as 20 ° of rotary angle positions.

Wherein, the anti-dry speech prompting device includes：

Anti-dry detection device, detects cooking bottom temperature and when judging that the cooking bottom temperature reaches dry combustion method temperature in real time, raw Into corresponding dry combustion method signal；And

The speech prompting device, is electrically connected the anti-dry detection device, is sent when receiving the dry combustion method signal Dry combustion method voice reminder.

Further, the anti-dry detection device may include：

Dry-burning preventing sensor, is arranged on the burner of the gas-cooker to detect the cooking bottom temperature in real time, and sends the bottom of a pan Temperature detection signal；And

The controller, receives the cooking bottom temperature detection signal, and detects signal judgement pair according to the cooking bottom temperature Whether the cooking bottom temperature answered reaches the dry combustion method temperature of dry-fire condition, and the dry combustion method is generated when reaching the dry-fire condition Signal.

Wherein, the loss of ignition speech prompting device includes：

Detector for ignition, judges whether igniting starts in ignition process, and judges that burner is by temperature-sensitive thermocouple No firing up, when judging igniting startup and the burner not firing up, generates loss of ignition signal；

The speech prompting device, is electrically connected the detector for ignition, is sent out when receiving the loss of ignition signal Go out loss of ignition voice reminder.

Further, the detector for ignition may include：

Battery current detection circuit, detects the current value at the battery both ends in real time；

The temperature-sensitive thermocouple, senses the temperature of the burner and sends electromotive force signal；And

The controller, is configured to：

The current value of detection is received, whether is fallen into setting initial firing current section and judged according to the current value of detection Whether igniting starts；

The electromotive force signal is obtained in real time, and in the electromotive force not from the low level state less than lower predetermined threshold When rising to the high level state more than upper predetermined threshold, the burner not firing up is judged；With

The loss of ignition signal is generated when judging igniting startup and the burner not firing up.

Further, the detector for ignition may include：

Microswitch, the triggering igniting enabling signal when coal gas rotary valve is pressed；

The temperature-sensitive thermocouple, senses the temperature of the burner and sends electromotive force signal；And

The controller, is configured to：

Judge that igniting starts according to the igniting enabling signal；

The electromotive force signal is obtained in real time, and in the electromotive force not from the low level state less than lower predetermined threshold When rising to the high level state more than upper predetermined threshold, the burner not firing up is judged；And

The loss of ignition signal is generated when judging igniting startup and the burner not firing up.

In the gas-cooker of the utility model, since such as gas leakage detection and phonetic alarm device, low electricity can be increased Measure speech prompting device, accident extinguishing detection and warning device, the fiery speech prompting device in normal pass, anti-dry speech prompting device At least one of with loss of ignition speech prompting device, thus volume can be carried out to gas leakage, low battery, anti-dry etc. Outer voice reminder, to allow the obtaining information of user's quicklook, carries out situation processing instantly.Moreover, it can also increase unexpected put out The more multi-functional voice reminders such as fire, normal pass fire, loss of ignition, greatly facilitate person in middle and old age user's use, may also be combined with finger Show lamp prompting, remote prompting etc., even if allowing user to have left gas-cooker, can also obtain instant messages, carry out emergency processing.

Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.

Brief description of the drawings

Attached drawing is to be used to provide a further understanding of the present invention, and a part for constitution instruction, and following Embodiment be used to explain the utility model together, but do not form the limitation to the utility model.In the accompanying drawings：

Fig. 1 is the front view according to the gas-cooker of the preferred embodiment of the utility model；

Fig. 2 is the assembling explosive view of the gas-cooker shown in Fig. 1；

Fig. 3 is the top view of the base section of the gas-cooker shown in Fig. 2；

Fig. 4 is the stereogram of speech prompting device；

Fig. 5 is the explosive view of the speech prompting device of Fig. 4；

Fig. 6 is the stereogram of indicator light；

Fig. 7 is the functional block between each funtion part in the gas-cooker according to the preferred embodiment of the utility model Figure, which illustrates the signal transitive relation between each funtion part；

Fig. 8 a~Fig. 8 f show that gas leakage detection and phonetic alarm device, low battery voice carry with specific example respectively Awake device, accident extinguishing detection and warning device, normally close fiery speech prompting device, anti-dry speech prompting device and light a fire and lose Lose the work flow diagram of speech prompting device；And

Fig. 9 a~Fig. 9 h illustrate MCU chip, coal gas detection circuit module, voice output circuit module, low battery successively Reminding module, potentiometer detection circuit, thermocouple detection circuit, the circuit of dry combustion method detection circuit and jogging switches measurement circuit Figure.

Description of reference numerals

1 speech chip, 2 loudspeaker

3 encapsulating housing, 4 gas detectors

5 indicator lights

100 battery, 200 pulse igniter

300 burner, 400 coal gas rotary valve

500 speech prompting device, 600 housing

700 glass panel, 800 switch module

201 controller, 301 temperature-sensitive thermocouple

302 dry-burning preventing sensor, 401 valve rod rotation angle detector

Embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be appreciated that herein Described embodiment is only used for describing and explaining the present invention, and is not intended to limit the present invention.

In the utility model, in the case where not making conversely explanation, the noun of locality such as " upper and lower, top, bottom " used is usually It is each component mutual alignment either on vertical, vertical or gravity direction for direction shown in the drawings Relationship description word." inside and outside " is commonly referred to as the inside and outside mutual alignment relation word for gas-cooker cavity.

With reference to shown in Fig. 1~Fig. 3, the utility model provides a kind of gas-cooker, including top section and base section, top Portion part includes glass panel 700, and base section includes each function element of housing 600 and its interior installation.Referring to Fig. 3 as it can be seen that Battery 100, pulse igniter 200 are equipped with gas-cooker, to control the igniting of the pulse ignition device of burner 300, coal gas rotation Valve 400 supplies user's rotation process to control coal gas conducting, valve opening, sparking etc. manually.

Especially, the gas-cooker of the utility model is integrated with including gas leakage detection and phonetic alarm device, low battery Speech prompting device, accident extinguishing detection and warning device, it is normal close fiery speech prompting device, anti-dry speech prompting device and At least one of loss of ignition speech prompting device.By speech prompting device 500, it can be achieved that extra phonetic function carries Wake up.The intuitive of voice reminder is strong, and acceptance is high, and user can will immediately appreciate that where caused failure, problem.To such as combustion gas The extra voice reminder of the carry out such as leakage, low battery, anti-dry, can allow the obtaining information of user's quicklook, and locate at once instantly Reason.In addition, for accident extinguishing, normal pass fire, loss of ignition etc., existing gas-cooker is all prompted without correlation or warning, but Certain customers (especially person in middle and old age user) have this demand, thus the utility model can provide more multi-functional voice reminder, Greatly facilitate user use, may also be combined with prompting, remote prompting of indicator light 5 explained below etc., though allow user from Gas-cooker has been opened, can also obtain instant messages, has carried out emergency processing.

Specifically, gas-cooker includes controller 201 and speech prompting device 500, and referring to Fig. 5, speech prompting device includes Speech chip 1 and loudspeaker 2, speech chip 1 receive controller 201 send function alerting signal (such as gas leakage letter Number) afterwards driving loudspeaker 2 send prompting voice (such as the combustion gas corresponding to gas leakage signal corresponding with function alerting signal Voice is reminded in leakage, such as " drop, drop, drop, gas leakage, please closes valve in time ").

Gas leakage detection and phonetic alarm device, low battery speech prompting device, accident extinguishing inspection are only schematically illustrated above Survey and warning device, normal fire speech prompting device, anti-dry speech prompting device and the loss of ignition speech prompting device of closing are total to Six kinds of functional devices, but the utility model not limited to this, can include other more functional devices.Each functional device can share Controller 201, specific in gas-cooker structure, the MCU chip in pulse igniter 200 may act as each functional device (see Fig. 9 a) Controller 201.

Fig. 4 is the stereogram of speech prompting device 500, is individual packages.Referring to Fig. 5, between the upper and lower covers of encapsulating housing 3 Speech chip 1 and loudspeaker 2 are packaged with, the upper cover of encapsulating housing 3 is equipped with power interface, and sound outlet, thermovent etc..Combustion 600 bottom of housing of gas kitchen can open up perforation mounting hole, and the speech prompting device 500 of individual packages is installed on perforation mounting hole In, stretch into 600 inner cavity of housing of gas-cooker.Specifically, the periphery wall of encapsulating housing 3 can set Elastic buckle, with the peace that is buckled On housing 600.Since speech prompting device 500 is independently installed and stretches into gas-cooker inner cavity, thus especially, speech chip The probe of gas detectors 4 is also integrated with 1, in order to detect the gas concentration in gas-cooker inner cavity, i.e. detection combustion gas in real time Leakage, will also be specifically described below.

Fig. 6 is the stereogram of indicator light.Indicator light 5 can have a variety of such as a pair of with above-mentioned six kinds of functional devices one The six kinds of indicator lights answered, such as gas leakage indicator light, low battery indicator light.Indicator light 5 is usually bi-colour light, such as including Color (green) and alarm color (red) are worked normally, on lamp holder, the bottom surface of glass panel 700 is installed on through stent On.Connecting line and plug are stretched out in the bottom of lamp holder, to connect power supply.In this way, when any one functional device starts, through voice While prompting, prompting can be synchronized by corresponding indicator light 5, be more convenient user.In addition, when in each function alarm set Any one produce failure when, its corresponding indicator light 5 should close, so that user discovers.

The gas-cooker of the utility model may also include WIFI reception device (not shown), and controller 201 can pass through WIFI reception devices are sent and the above-mentioned corresponding wireless alarm signal of function alerting signal.In this way, even if user is away from combustion Gas kitchen, can also obtain related prompting message, in time hair by the application program (i.e. cell phone application etc.) of other-end (such as mobile phone) Now with solve the problems, such as.It is electrically connected in addition, can also be installed on gas-cooker with controller 201 and speech prompting device 500 and external Gas leak detector (not shown), in the external space (such as kitchen) of gas-cooker there are during gas leakage, gas leak detector Prompting can be sent by speech prompting device 500, WIFI reception devices etc..

Below with reference to Fig. 7, Fig. 8 a~Fig. 8 f and Fig. 9 a~Fig. 9 h, illustrate that above-mentioned gas leakage is examined with specific example Survey and phonetic alarm device, low battery speech prompting device, accident extinguishing detection and warning device, the normal fire voice reminder that closes fill Put, the structure composition and its course of work of anti-dry speech prompting device and loss of ignition speech prompting device.

First, gas leakage detection and phonetic alarm device

Gas leakage detects and phonetic alarm device includes：

Gas leakage detection device, in real time monitoring reveal gas concentration and judge to reveal whether gas concentration value is more than setting Concentration value, when revealing gas concentration value more than setting gas concentration value, generates corresponding gas leakage signal；

Speech prompting device 500, is electrically connected gas leakage detection device, combustion gas is sent when receiving gas leakage signal Reveal voice reminder.

Wherein, gas leakage detection device may include：

Gas detectors 4, monitor in gas-cooker and reveal gas concentration and according to the leakage gas concentration value of monitoring in real time Corresponding detection signal is generated to send to gas leakage comparator；

Gas leakage comparator, detection signal is compared with baseline threshold, comparative result is sent to controller 201； And

Controller 201, judges to reveal whether gas concentration value is more than setting gas concentration value according to comparative result, and is letting out When revealing gas concentration value more than setting concentration value, gas leakage signal is generated.

Referring to Fig. 7, gas leakage detection and audio alert are related to gas detectors 4, speech prompting device and controller 201 Between communication and data processing, or even including switch module 800.

Gas detectors 4 include gas detectors 4 and probe, in the probe internally provided speech prompting device 500 in encapsulation with Monitor the combustible gas concentration value around detector in real time, the specific example of the coal gas detection circuit module of gas detectors 4 is as schemed Shown in 9b, it is integrated in pulse igniter 200.Coal gas detection circuit module is generated according to the leakage gas concentration value of monitoring and corresponded to Detection signal, such as the output voltage signal A of Fig. 9 b.The pulse igniter 200 for being integrated with controller 201 and comparator receives After output voltage signal A, by output voltage signal A compared with the baseline threshold (magnitude of voltage) corresponding to setting gas concentration value Compared with, so that judged to reveal whether gas concentration value is more than setting gas concentration value according to comparative result, and in leakage gas concentration When value is more than setting concentration value, gas leakage signal is generated, i.e., output is corresponded to wherein by the voice output circuit module of Fig. 9 c A kind of voltage signal B to speech chip 1, after speech chip 1 receives and identifies voltage signal B, driving loudspeaker (raise one's voice Device) 2, play corresponding gas leakage voice reminder.

Referring to Fig. 8 a, to avoid judging by accident, when detecting combustion gas, it can first judge whether flammable gas concentration changes.Work as generation Gas concentration change when, just further monitoring gas concentration whether reach setting gas concentration value, such as 10%~20% it is quick-fried Fried lower limit gas concentration (LEL).

As it was previously stated, gas leakage speech prompting device may also include gas leakage indicator light, gas leakage indicator light exists Opened when receiving gas leakage signal and reveal waming color.Moreover, gas leakage indicator light may be configured as examining in gas leakage Closed when surveying plant failure.

While the voice reminder and/or light prompting of gas leakage is carried out, corresponding urgent automatic place should be also carried out Reason.As shown in fig. 7, gas-cooker includes the gas valve and switch module 800 of control fuel gas supply, the gas valve may include one by one Accordingly control at least one branch valve of the fuel gas supply of each burner 300 and control the fuel gas supply of all burners 300 Main valve, switch module 800 is electrically connected gas leakage detection and phonetic alarm device and for receiving gas leakage signal When cut off all gas valves, to ensure safety.

2nd, low battery speech prompting device

For the low battery speech prompting device of gas-cooker, including：

Battery electric quantity checking device, detects battery capacity and low battery signal is generated in low battery in real time；And

Speech prompting device 500, is electrically connected battery electric quantity checking device, low battery is sent when receiving low battery signal Voice reminder.

Wherein, speech prompting device 500 includes speech chip 1 and loudspeaker 2, and speech chip 1 and loudspeaker 2 are arranged on envelope Fill in housing 3, encapsulating housing 3 is independently installed in the housing 600 of gas-cooker.Battery electric quantity checking device may also include battery electricity Amount instruction lamp, battery capacity indicator light reveal waming color when receiving low battery signal.Battery capacity indicator light is also configured to Failure color is shown in battery electric quantity checking device failure.

Wherein, battery electric quantity checking device may include：

Battery voltage detection circuit, the magnitude of voltage for detecting 100 both ends of battery in real time concurrently send voltage value signal to battery electricity Measure comparator；

Battery capacity comparator, receives the voltage value signal of detection and compared with setting voltage threshold, by comparative result Send controller 201；

Controller 201, judges whether battery 100 is in low battery state according to comparative result, and is judging at battery 100 Low battery signal is generated when low battery state.

Referring to Fig. 7, low battery speech prompting device is related to battery 100 including the voice of speech chip 1 and loudspeaker 2 carries The communication and data processing waken up between device and controller 201.

Specifically, it is electrically connected with reference to Fig. 8 b, pulse igniter 200 with battery 100, MCU is integrated with pulse igniter 200 Chip and the low battery reminding module including battery voltage detection circuit, can gather battery in real time by battery voltage detection circuit The magnitude of voltage at 100 both ends and by independent comparator or the comparison circuit being integrated in controller compared with setting voltage threshold Compared with.Setting voltage threshold is, for example, 0.7 times of load voltage value of battery 100, during less than setting voltage threshold, is considered as low electricity Amount.

At this time, controller 201 generates low battery signal, is exported by the amplifier of the low battery reminding module shown in Fig. 9 d Corresponding voltage signal C, lights corresponding low battery indicator light.Meanwhile a kind of output electricity therein is corresponded to by Fig. 9 c circuits Pressing signal B1 (corresponding to low battery signal), after speech chip 1 receives and identifies voltage signal B1, driving is expanded to speech chip 1 Sound device (i.e. loudspeaker) 2, plays corresponding low battery voice reminder.

Similarly, low battery speech prompting device can also externally send low battery signal by WIFI reception devices.

3rd, accident extinguishing detection and warning device

Accident extinguishing detects and warning device, including：

Accident extinguishing detection device, passes through valve rod rotation angle detector 401 (such as potentiometer, encoder or microswitch Deng) judge whether coal gas rotary valve 400 is in valve opening state, and judge whether burner 300 stops working by temperature-sensitive thermocouple 301, When judgement coal gas rotary valve 400 is in valve opening state and burner 300 stops working, corresponding accident extinguishing signal is generated；And

Accident extinguishing warning device, is electrically connected accident extinguishing detection device, meaning is sent when receiving accident extinguishing signal Outer flame-out alarm.

Wherein, accident extinguishing detection device includes：

Valve rod rotation angle detector 401, the rotary angle position of the valve rod of detection coal gas rotary valve 400 simultaneously send rotation Angle position signal；

Temperature-sensitive thermocouple 301, senses the temperature of burner 300 and sends electromotive force signal；

Controller 201, obtains rotary angle position signal and electromotive force signal in real time, and is in rotary angle position signal Non-zero-degree rotary angle position signal and electromotive force signal are decreased below lower pre- from the high level state more than upper predetermined threshold When determining the low level state of threshold value, corresponding accident extinguishing signal is generated.

Referring to Fig. 7, accident extinguishing detection and warning device are related to valve rod rotation angle detector 401, temperature-sensitive thermocouple 301st, including communication and data processing between the speech prompting device and controller 201 of speech chip 1 and loudspeaker 2, very To being related to switch module 800.

In general, lower predetermined threshold is set as 1mV.Valve rod rotation angle detector 401 in present embodiment uses current potential Device, therefore valve rod rotation angle detector 401 includes being arranged on the potentiometer probe at valve rod and is integrated in pulse igniter 200 In potentiometer detection circuit.

According to Fig. 8 c, the specific potentiometer detection circuit shown in by Fig. 9 e can obtain rotary angle position, hair Go out rotary angle position signal (being converted to corresponding voltage signal D1) to export to controller.Likewise, temperature-sensitive thermocouple 301 wraps Include the thermocouple probe being arranged at burner 300 and the thermocouple detection circuit being integrated in pulse igniter 200.Pass through Fig. 9 f Shown specific thermocouple detection circuit can sense the temperature of burner 300 and send electromotive force signal (i.e. corresponding voltage letter Number E).

Controller 201 obtains above-mentioned rotary angle position signal and electromotive force signal in real time, in rotary angle position signal For non-zero-degree rotary angle position signal when, it is valve opening state to show coal gas rotary valve 400, in electromotive force signal from pre- more than upper When determining the high level state of threshold value (such as 2mV) and being decreased below the low level state of lower predetermined threshold, show that burner stops working, this When controller control generate corresponding accident extinguishing signal, i.e., give voice core by the corresponding voltage signal B2 of Fig. 9 b circuit outputs Piece 1, after speech chip 1 receives and identifies voltage signal B2, driving loudspeaker 2 plays corresponding accident extinguishing voice reminder.

Similarly, accident extinguishing detection and warning device may also include WIFI reception devices, and unexpected put out externally is sent by it Fiery signal, can be transmitted in such as cell phone application, with remote monitoring.When receiving accident extinguishing signal, not only speech chip 1 Driving loudspeaker 2 sends accident extinguishing audio alert, and accident extinguishing indicator light is also opened and reveals waming color.Accident extinguishing indicates Lamp is also configured as closing in unexpected extinguishing detecting device failure.

, it is necessary to valve body after accident extinguishing occurs.As shown in fig. 7, switch module 800 is receiving accident extinguishing letter Number when can close pulse igniter 200, main valve and branch valve etc., to prevent more gas leakages, avoid generation from igniting explosion Deng.

4th, it is normal to close fiery speech prompting device

The normal fiery speech prompting device in pass, including：It is normal to close fire detection device, pass through valve rod rotation angle detector 401 Judge that coal gas rotary valve 400 whether in closing valve trend state and whether closing valve in place, is in judgement coal gas rotary valve 400 When closing valve trend state and closing valve in place, the corresponding fiery signal in normal pass is generated；And

Speech prompting device 500, is electrically connected normal pass fire detection device, is sent when receiving and normally closing fiery signal normal Close fiery voice reminder.

Wherein, the normal fire speech prompting device that closes may also include the fiery indicator light in normal pass, and the normal fiery indicator light in pass is receiving Opened during signal fiery to normal pass and reveal normal work color.The normal fire indicator light that closes can be further arranged to close fire inspection normal Warning color is switched to when surveying plant failure.

Wherein, normally closing fire detection device may include：

Valve rod rotation angle detector 401 (such as potentiometer), the rotary angle position of the valve rod of detection coal gas rotary valve 400 And at least send the second rotary angle position signal behind the first rotary angle position signal of original state, setting time interval And trigger signal in place is closed in triggering in zero degree rotary angle position；

Controller 201, becomes according to the change of the first rotary angle position signal to the second rotary angle position signal Whether gesture judges coal gas rotary valve 400 in pass valve trend state, and is judging in pass valve trend state and receiving When closing trigger signal in place, the fiery signal in normal pass is generated.

Referring to Fig. 7, the normal fire speech prompting device that closes only relates to valve rod rotation angle detector 401 and includes speech chip Communication and data processing between 1 and the speech prompting device and controller 201 of loudspeaker 2.

Preferably, setting time is at intervals of 0.1s~0.5s.One in front and one in back two valve rod rotary angle positions are obtained, can be sentenced Disconnected whether be in closes valve trend state.According to Fig. 8 d, such as specific potentiometer detection circuit shown in by Fig. 9 e can The first rotary angle position of previous moment and the second rotary angle position of later moment in time are obtained, sends corresponding rotation angle Position signal (i.e. corresponding voltage signal D2 and D3) give controller.By first rotary angle position for representing previous moment Voltage signal D2 would know that whether coal gas rotary valve 400 is in valve opening state, that is, judge whether the first rotary angle position is non- Zero degree rotary angle position.Whether trend and trend are changed by voltage signal D2 to D3, can determine that no in pass valve trend State.For example, zero degree rotary angle position is close valve state, the second rotary angle position representated by voltage signal D3 is less than electricity When pressing the first rotary angle position representated by signal D2, it can determine that to close valve trend state.

This judgement can be realized by single comparator, such as can be by judging former and later two voltage signals D2's and D3 Size, so as to judge no in pass valve trend state.Certainly, the logic circuit of the judgement of above-mentioned pass valve trend can be also integrated in In controller.This is known to the skilled person technology, not described in detail herein.When in pass valve trend, controller is lasting Trigger signal in place is closed in collection, and trigger signal in place is closed collecting (i.e. Fig. 9 e circuits send corresponding voltage signal D5) When, show that coal gas rotary valve 400 is closed in place, the corresponding normal fiery signal in pass of controller generation at this time, that is, pass through Fig. 9 b circuits Corresponding voltage signal B3 is exported to speech chip 1, after speech chip 1 receives and identifies voltage signal B3, driving loudspeaker 2 is broadcast Put the corresponding fiery voice reminder in normal pass.

Especially, to prevent false triggering erroneous judgement etc., the normal pass fire detection device of the utility model is also configured to can When setting rotary angle position, triggering begins to shut off trigger signal (i.e. Fig. 9 e circuits send corresponding voltage signal D4)；Setting Rotary angle position is, for example, 20 ° of rotary angle positions, and coal gas rotary valve 400 is begun to shut off at this time, has substantially shut off burner 300 Gas supply.Therefore, controller 201 is additionally configured to judging in pass valve trend state and starting to close continuously receiving When closing trigger signal and closing trigger signal in place, the fiery signal in normal pass is generated.

Likewise, the normal fire speech prompting device that closes also can externally send the fiery signal in normal pass by WIFI reception devices.

5th, anti-dry speech prompting device

Anti-dry speech prompting device includes：

Anti-dry detection device, detects cooking bottom temperature and when judging that cooking bottom temperature reaches dry combustion method temperature, generation pair in real time The dry combustion method signal answered；And

Speech prompting device 500, is electrically connected anti-dry detection device, and sending dry combustion method voice when receiving dry combustion method signal carries Wake up.

Wherein, speech prompting device 500 includes speech chip 1 and loudspeaker 2, and speech chip 1 and loudspeaker 2 are arranged on envelope Fill in housing 3, encapsulating housing 3 is independently installed in the housing 600 of gas-cooker.When receiving dry combustion method signal, speech chip 1 drives Dynamic loudspeaker 2 sends dry combustion method voice reminder.In addition, anti-dry speech prompting device may also include dry combustion method indicator light, dry combustion method instruction Lamp is opened when receiving dry combustion method signal and reveals waming color, is reminded with more multimode.Dry combustion method indicator light may be configured as Closed during anti-dry detection device failure.

Wherein, anti-dry detection device further comprises：

Dry-burning preventing sensor 302, is arranged on the burner 300 of gas-cooker to detect cooking bottom temperature in real time, and sends the bottom of a pan temperature Degree detection signal；

Controller 201, receives the cooking bottom temperature detection signal, and detects signal according to the cooking bottom temperature and judge to correspond to The cooking bottom temperature whether reach the dry combustion method temperature of dry-fire condition, and dry combustion method signal is generated when reaching the dry-fire condition.

With reference to Fig. 8 e, detect the temperature in the bottom of a pan in real time by dry-burning preventing sensor 302 and send cooking bottom temperature detection signal. Dry-burning preventing sensor 302 includes the dry combustion method inspection for being arranged on the sensor probe of burner 300 and being integrated in pulse igniter 200 Slowdown monitoring circuit.

Referring to Fig. 7, anti-dry speech prompting device is related to dry-burning preventing sensor 302 and includes speech chip 1 and loudspeaker 2 Speech prompting device and controller 201 between communication and data processing.

Specifically, cooking bottom temperature change causes the temperature change of sensor probe, the change in resistance of sensor probe, dry combustion method Detection circuit gathers the resistance value of sensor probe in real time, by sensor RT characteristics, eventually through specific dry shown in Fig. 9 g Burn detection circuit conversion and export corresponding voltage signal F (corresponding cooking bottom temperature detection signal) to the MCU in pulse igniter 200 Chip.MCU chip continuous collecting voltage signal F, until signal value reaches dry combustion method temperature (such as 290 degrees Celsius) according to RT characteristics Corresponding dry combustion method voltage signal values, are considered as dry combustion method establishment.At this time, MCU chip generates corresponding dry combustion method signal, and dry combustion method signal can Including signal G, with positive closing gas valve, further dry combustion method is prevented, further includes and is believed by the corresponding voltage of Fig. 9 b circuit outputs Number B4 is to speech chip 1, and after speech chip 1 receives and identifies voltage signal B4, driving loudspeaker 2 plays corresponding dry combustion method voice Remind.

Likewise, anti-dry speech prompting device also can externally send dry combustion method signal by WIFI reception devices, with transmission To remote terminal, such as cell phone application.

6th, loss of ignition speech prompting device

For the loss of ignition speech prompting device of gas-cooker, including：

Detector for ignition, judges whether igniting starts in ignition process, and judges burner by temperature-sensitive thermocouple 301 300 whether firing up, judging igniting to start during 300 not firing up of burner, generating loss of ignition signal；

Speech prompting device 500, is electrically connected detector for ignition, loss of ignition is sent when receiving loss of ignition signal Voice reminder.

Wherein, speech prompting device 500 includes speech chip 1 and loudspeaker 2, and speech chip 1 and loudspeaker 2 are arranged on envelope Fill in housing 3, encapsulating housing 3 is independently installed in the housing 600 of gas-cooker.When receiving loss of ignition signal, voice core Piece 1 drives loudspeaker 2 to send loss of ignition voice reminder.Loss of ignition detection device may also include ignition light, and igniting refers to Show that lamp is opened when receiving loss of ignition signal and reveals waming color.Ignition light may also be configured in detector for ignition Closed during failure.

Wherein, detector for ignition may include：

Battery current detection circuit, detects the current value at 100 both ends of battery in real time；

Temperature-sensitive thermocouple 301, senses the temperature of burner 300 and sends electromotive force signal；And

Controller 201, is configured to：

The current value of detection is received, whether is fallen into setting initial firing current section and judged according to the current value of detection Whether igniting starts；

Electromotive force signal is obtained in real time, and in electromotive force not from the low level shape less than lower predetermined threshold (such as 1mV) When state rises to the high level state more than upper predetermined threshold (such as 2mV), the not firing up of burner 300 is judged；

The loss of ignition signal is generated when judging igniting startup and 300 not firing up of burner.

Referring to Fig. 7, loss of ignition speech prompting device is related to battery 100, temperature-sensitive thermocouple 301 and includes speech chip 1 Communication and data processing between the speech prompting device and controller 201 of loudspeaker 2.

Wherein, when pressing and twisting the preparation igniting of coal gas rotary valve 400, it need to judge whether igniting really starts.Referring to figure 8f, it is the initial firing current for gathering 100 both ends of battery by the way of.During pulse firing, initial firing current is larger, is usually 80mA ~120mA sections, therefore it is preferably 80mA~120mA to set initial firing current section.The initial firing current of collection falls into this section, then It is considered as igniting to start.This judgement can be realized by independent comparators or the comparison circuit being integrated in controller etc., such as The current value detected received is compared with the upper threshold value and lower threshold value in setting initial firing current section respectively, to judge to be It is no to fall into the setting initial firing current section.The circuit structure and its logic element of this comparator or comparison circuit are ability It is not described in detail herein known to field technique personnel.

Selectively, microswitch is touched when can also be pressed by coal gas rotary valve 400 to obtain trigger signal, decision-point Fire starts, and microswitch triggers igniting enabling signal when coal gas rotary valve 400 is pressed at this time, i.e., specific shown in by Fig. 9 h Exemplary jogging switches measurement circuit obtains signal H.Controller 201 judges that igniting starts according to igniting enabling signal at this time；

Temperature-sensitive thermocouple 301 includes being arranged on the thermocouple probe at burner 300 and is integrated in pulse igniter 200 Thermocouple detection circuit.Equally, obtain electromotive force signal in real time, i.e., the specific thermocouple detection circuit shown in by Fig. 9 f come Sense the temperature of burner 300 and send electromotive force signal (i.e. corresponding voltage signal E), and in electromotive force not from pre- less than lower When determining the low level state of threshold value and rising to the high level state more than upper predetermined threshold, the not firing up of burner 300 is judged； Loss of ignition signal is generated when judging igniting startup and 300 not firing up of burner.

Likewise, loss of ignition speech prompting device also can externally send loss of ignition signal by WIFI reception devices, To be sent to remote terminal, such as cell phone application so that the user away from gas-cooker can also obtain the real time monitoring letter to gas-cooker Breath.Further, transmitting-receiving medium can be also used as by WIFI reception devices, pulse igniter is manipulated by remote terminal 200, and then remote control gas-cooker, especially carry out safety and close valve operation or send various alarm signals.

The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing Detail in the above embodiment, can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.

It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each The possible combination of kind no longer separately illustrates.

In addition, it can also be combined between a variety of embodiments of the utility model, as long as it is not disobeyed The thought of the utility model is carried on the back, it should equally be considered as content disclosed in the utility model.

Claims (30)

1. a kind of gas-cooker, it is characterised in that the gas-cooker includes gas leakage detection and phonetic alarm device, low battery language Sound alarm set, accident extinguishing detection and warning device, normal pass fiery speech prompting device, anti-dry speech prompting device and point At least one of fire failure speech prompting device；

Wherein, the gas-cooker includes and gas leakage detection and phonetic alarm device, low battery speech prompting device, meaning Outer misfire detection and warning device, normal fire speech prompting device, anti-dry speech prompting device and the loss of ignition voice of closing carry Awake device includes the controller (201) and speech prompting device (500) being electrically connected, and the speech prompting device (500) includes Speech chip (1) and loudspeaker (2), the function alerting signal that the speech chip (1) sends in the reception controller (201) After drive the loudspeaker (2) to send prompting voice corresponding with the function alerting signal.

2. gas-cooker according to claim 1, it is characterised in that the gas-cooker includes pulse igniter (200), described Pulse igniter (200) includes the MCU chip as the controller (201).

3. gas-cooker according to claim 1, it is characterised in that the speech prompting device (500) further includes encapsulating shell Body (3), the speech chip (1) and loudspeaker (2) are arranged in the encapsulating housing (3), and the encapsulating housing (3) is independently pacified In housing (600) loaded on the gas-cooker.

4. gas-cooker according to claim 3, it is characterised in that be provided with gas detectors on the speech chip (1) (4)。

5. gas-cooker according to claim 1, it is characterised in that gas leakage detection and phonetic alarm device, low Electricity speech prompting device, accident extinguishing detection and warning device, the fiery speech prompting device in normal pass, anti-dry voice reminder dress Put includes corresponding indicator light (5) with each of loss of ignition speech prompting device, and the controller (201) is sending The driving indicator light (5) corresponding to the function alerting signal makes corresponding warn while the function alerting signal.

6. gas-cooker according to claim 5, it is characterised in that gas leakage detection and phonetic alarm device, low Electricity speech prompting device, accident extinguishing detection and warning device, the fiery speech prompting device in normal pass, anti-dry voice reminder dress When putting with any one of loss of ignition speech prompting device failure, the corresponding indicator light (5) is closed.

7. gas-cooker according to claim 1, it is characterised in that the gas-cooker further includes WIFI reception devices, described Controller (201) sends wireless alarm signal corresponding with the function alerting signal by the WIFI reception devices.

8. gas-cooker according to claim 1, it is characterised in that the gas-cooker further includes and the controller (201) With speech prompting device (500) electrical connection and external gas leak detector, in the external space of the gas-cooker, there are combustion gas to let out During dew, the gas leak detector sends voice reminder by the speech prompting device (500).

9. the gas-cooker according to any one in claim 1~8, it is characterised in that the gas leakage detection and language Sound warning device includes：

Gas leakage detection device, in real time monitoring reveal gas concentration and judge whether the leakage gas concentration value is more than setting Concentration value, when the leakage gas concentration value is more than setting gas concentration value, generates corresponding gas leakage signal；

The speech prompting device (500), is electrically connected the gas leakage detection device, is receiving the gas leakage signal When send gas leakage voice reminder.

10. gas-cooker according to claim 9, it is characterised in that the gas concentration value that sets is 10%~20% Lower explosion limit gas concentration.

11. gas-cooker according to claim 9, it is characterised in that the gas leakage detection device includes：

Gas detectors (4), in real time monitoring reveal gas concentration and generate corresponding inspection according to the leakage gas concentration value of monitoring Signal is surveyed to send to gas leakage comparator；

The gas leakage comparator, the detection signal is compared with baseline threshold, comparative result is sent to controller (201)；And

The controller (201), judges whether the leakage gas concentration value is more than the setting and fires according to the comparative result Gas concentration value, and when the leakage gas concentration value is more than setting concentration value, generate the gas leakage signal.

12. gas-cooker according to claim 9, it is characterised in that the gas-cooker includes switch module (800), described Switch module (800) is electrically connected the gas leakage detection and phonetic alarm device and when receiving the gas leakage signal Cut off the gas supply of the gas-cooker.

13. the gas-cooker according to any one in claim 1~8, it is characterised in that the low battery voice reminder dress Put including：

Battery electric quantity checking device, detects the battery capacity of the supplying cell (100) of pulse igniter (200) and in low electricity in real time Low battery signal is generated during amount；And

The speech prompting device (500), is electrically connected the battery electric quantity checking device, when receiving the low battery signal Send low battery voice reminder.

14. gas-cooker according to claim 13, it is characterised in that the battery electric quantity checking device includes：

Battery voltage detection circuit, the magnitude of voltage for detecting the battery (100) both ends in real time concurrently send voltage value signal to battery Electric comparator；

The battery capacity comparator, receives the voltage value signal of detection and compared with setting voltage threshold, will compare As a result controller (201) is sent；

The controller (201), judges whether the battery (100) is in low battery state according to the comparative result, and Judge to generate the low battery signal when battery (100) is in low battery state.

15. gas-cooker according to claim 14, it is characterised in that the voltage threshold that sets is the battery (100) 0.7 times of load voltage value.

16. the gas-cooker according to any one in claim 1~8, it is characterised in that the accident extinguishing detection and report Alarm device includes：

Accident extinguishing detection device, judges whether coal gas rotary valve (400) is in by valve rod rotation angle detector (401) and opens Valve state, and judge whether burner (300) stops working by temperature-sensitive thermocouple (301), judging coal gas rotary valve (400) place When valve opening state and the flame-out burner (300), corresponding accident extinguishing signal is generated；And

The speech prompting device (500), is electrically connected the accident extinguishing detection device, is receiving the accident extinguishing signal When send accident extinguishing audio alert.

17. gas-cooker according to claim 16, it is characterised in that the accident extinguishing detection device includes：

The valve rod rotation angle detector (401), detects the rotary angle position of valve rod of the coal gas rotary valve (400) simultaneously Send rotary angle position signal；

The temperature-sensitive thermocouple (301), senses the temperature of the burner (300) and sends electromotive force signal；

The controller (201), obtains the rotary angle position signal and the electromotive force signal in real time, and in the rotation Angle position signal is non-zero-degree rotary angle position signal and the electromotive force signal from the high level more than upper predetermined threshold When state is decreased below the low level state of lower predetermined threshold, the corresponding accident extinguishing signal is generated.

18. gas-cooker according to claim 16, it is characterised in that the valve rod rotation angle detector (401) includes Potentiometer, encoder or microswitch.

19. gas-cooker according to claim 16, it is characterised in that the gas-cooker includes switch module (800), described Switch module (800) is electrically connected the accident extinguishing detection and warning device and is cut off when receiving the accident extinguishing signal The gas supply of the gas-cooker.

20. the gas-cooker according to any one in claim 1~8, it is characterised in that the normal fiery voice reminder in pass Device includes：

It is normal to close fire detection device, judge coal gas rotary valve (400) whether in pass by valve rod rotation angle detector (401) Valve trend state and whether close valve in place, close valve trend state judging that the coal gas rotary valve (400) is in and close valve When in place, the corresponding fiery signal in normal pass is generated；And

The speech prompting device (500), is electrically connected the normal pass fire detection device, is receiving the fiery signal in normal pass When send and normal close fiery voice reminder.

21. gas-cooker according to claim 20, it is characterised in that the normal fire detection device of closing includes：

The valve rod rotation angle detector (401), detects the rotary angle position of valve rod of the coal gas rotary valve (400) simultaneously At least send the second rotary angle position signal behind the first rotary angle position signal of original state, setting time interval with And trigger signal in place is closed in triggering in zero degree rotary angle position；

The controller (201), according to the first rotary angle position signal to the second rotary angle position signal Whether variation tendency judges the coal gas rotary valve (400) in the pass valve trend state, and is judging to be in the pass valve Trend state and when receiving the closing trigger signal in place, generates and described normal closes fiery signal.

22. gas-cooker according to claim 21, it is characterised in that the normal fire detection device of closing is additionally operable to setting Triggering begins to shut off trigger signal during rotary angle position；The controller (201) is additionally configured to judging to be in the pass valve Trend state and be sequentially received it is described begin to shut off trigger signal and the closing trigger signal in place when, described in generation It is normal to close fiery signal.

23. gas-cooker according to claim 22, it is characterised in that the rotary angle position that sets is 20 ° of anglec of rotation Spend position.

24. the gas-cooker according to any one in claim 1~8, it is characterised in that the anti-dry voice reminder dress Put including：

Anti-dry detection device, detects cooking bottom temperature and when judging that the cooking bottom temperature reaches dry combustion method temperature, generation pair in real time The dry combustion method signal answered；And

The speech prompting device (500), is electrically connected the anti-dry detection device, is sent when receiving the dry combustion method signal Dry combustion method voice reminder.

25. gas-cooker according to claim 24, it is characterised in that the anti-dry detection device includes：

Dry-burning preventing sensor (302), is arranged on the burner (300) of the gas-cooker to detect the cooking bottom temperature in real time, concurrently Cooking bottom temperature is sent to detect signal；And

The controller (201), receives the cooking bottom temperature detection signal, and detects signal judgement pair according to the cooking bottom temperature Whether the cooking bottom temperature answered reaches the dry combustion method temperature of dry-fire condition, and the dry combustion method is generated when reaching the dry-fire condition Signal.

26. gas-cooker according to claim 24, it is characterised in that the gas-cooker includes switch module (800), described Switch module (800) is electrically connected the accident extinguishing detection and warning device and is cut off when receiving the accident extinguishing signal The gas supply of the gas-cooker.

27. the gas-cooker according to any one in claim 1~8, it is characterised in that the loss of ignition voice reminder Device includes：

Detector for ignition, judges whether igniting starts in ignition process, and judges burner by temperature-sensitive thermocouple (301) (300) whether firing up, judge igniting to start and during the burner (300) not firing up, generation loss of ignition letter Number；

The speech prompting device (500), is electrically connected the detector for ignition, is sent out when receiving the loss of ignition signal Go out loss of ignition voice reminder.

28. gas-cooker according to claim 27, it is characterised in that the detector for ignition includes：

Battery current detection circuit, detects the current value at the battery (100) both ends in real time；

The temperature-sensitive thermocouple (301), senses the temperature of the burner (300) and sends electromotive force signal；And

The controller (201), is configured to：

The current value of detection is received, whether is fallen into setting initial firing current section according to the current value of detection and judges to light a fire Whether start；

The electromotive force signal is obtained in real time, and is not risen in the electromotive force from the low level state less than lower predetermined threshold During to the high level state for being more than upper predetermined threshold, the burner (300) not firing up is judged；

The loss of ignition signal is generated when judging igniting startup and the burner (300) not firing up.

29. gas-cooker according to claim 28, it is characterised in that the lower predetermined threshold is 1mV, the setting igniting Electric current section is 80mA~120mA.

30. gas-cooker according to claim 27, it is characterised in that the detector for ignition includes：

Microswitch, the triggering igniting enabling signal when coal gas rotary valve (400) is pressed；

The temperature-sensitive thermocouple (301), senses the temperature of the burner (300) and sends electromotive force signal；And

The controller (201), is configured to：

Judge that igniting starts according to the igniting enabling signal；

The electromotive force signal is obtained in real time, and is not risen in the electromotive force from the low level state less than lower predetermined threshold During to the high level state for being more than upper predetermined threshold, the burner (300) not firing up is judged；

The loss of ignition signal is generated when judging igniting startup and the burner (300) not firing up.