CN100473907C

CN100473907C - Stove with function of preventing forgetting to extinct

Info

Publication number: CN100473907C
Application number: CNB2005100839614A
Authority: CN
Inventors: 仓地大修; 花房明; 森口诚治
Original assignee: Rinnai Corp
Current assignee: Rinnai Corp
Priority date: 2004-07-15
Filing date: 2005-07-15
Publication date: 2009-04-01
Anticipated expiration: 2025-07-15
Also published as: CN1721767A; TWI275754B; JP2006029685A; KR20060050178A; TW200606376A

Abstract

To provide a cooking stove with unattended appliance automatic shut off function capable of preventing not only heating operation by forgetting shut-off securely but also extinction of flame during cooking in a case of non-forgetting of shut-off. This cooking stove is provided with a control means 4 for controlling a heating means 2, an unattended appliance automatic shut off timer 6 started when starting heating, a cooking timer 7 capable of setting arbitrary time by taking priority over the unattended appliance automatic shut off timer, and a display means 13 for displaying set time and remaining time of the cooking timer 7. The control means 4 starts the cooking timer 7 by setting predetermined remaining time in the cooking timer 7 when the unattended appliance automatic shut off timer 6 reaches predetermined remaining time determined in advance.

Description

Have the stove and accessory that prevents to forget flame-out function

Technical field

The present invention relates in a kind of certain hour after igniting when flame-out and automatically stop working have a stove and accessory that prevents to forget flame-out function.

Background technology

As everyone knows, in gas furnace, be provided with: can at random set the culinary art timer of heat time heating time and after burner igniting through (having arrived the timing stipulated time) is regarded as forgetting flame-out and extinguish combustion device during predefined time prevents to forget flame-out timer.Prevent to forget flame-out timer by this is set, prevented because forget the long-time burning of the burner that stops working and cause.

On the other hand, in the occasion of using described culinary art timer, be longer than described when preventing to forget the setting-up time of flame-out timer when the heat time heating time of setting by the culinary art timer, make the culinary art timer have precedence over and prevent to forget timer, arrived the timing stipulated time even prevent to forget flame-out timer, can be midway that burner is not flame-out by the culinary art of culinary art meter enforcement yet.

Yet, in this burner, when the user cooks consciously for a long time, the occasion of cooking not using the culinary art timer, might run counter to the user the meaning and in culinary art by the thing that prevents to forget flame-out timer extinguish combustion device.Particularly, for example when the user needs the culinary art of long period,,, in culinary art, prevent to forget flame-out timer if arrived the timing stipulated time, at once the extinguish combustion device even do not forget flame-outly in case forget and set the culinary art timer.At this moment, under the user can cause the heating at the culinary art thing to be stopped when not to be noted it is flame-out state, placed for a long time, thereafter, when the user finds that it is flame-out and when having carried out heating again, then need to heat again the unnecessary time and the fuel of usefulness again, and might have the situation that causes cooking failure according to culinary art thing difference.

Summary of the invention

For addressing the above problem, the objective of the invention is to, provide a kind of not only can prevent really because forget flame-out and continue add heat run but also flame-out having in the culinary art can prevent from not forget flame-out occasion the time prevents to forget the stove and accessory of flame-out function.

In order to arrive above-mentioned purpose, prevent that the stove and accessory of forgetting flame-out function is provided with of the present invention having: the heating arrangements of heating cooking thing, the operating mechanism that carries out the operation relevant with this heating arrangements running and the controlling organization that carries out the control of described heating arrangements corresponding to the operation of this operating mechanism; This controlling organization has: preventing of starting when the heating of described heating arrangements begins forgotten flame-out timer and had precedence over this and prevent to forget flame-out timer and the culinary art timer that stops that can setting time arbitrarily and carry out described heating arrangements when having passed through the time that sets by means of described operating mechanism; This has the stove and accessory that prevents to forget flame-out function and also is provided with: when the action of this culinary art timer to the setting-up time of this culinary art timer and the indication mechanism that shows remaining time; It is characterized in that, when the user does not use cooking timer to cook, when described when preventing to forget that flame-out timer arrives the remaining time of predefined regulation, described controlling organization should be set and give described culinary art timer remaining time, and start this culinary art timer, this culinary art timer extinguishes stove and accessory through after above-mentioned remaining time.

According to the present invention, use the culinary art timer occasion of cooking the user, because the culinary art timer has precedence over and prevents to forget flame-out timer, so, even the setting-up time of culinary art timer is longer than the time that preestablishes to preventing to forget flame-out timer, can not occur in the culinary art by preventing to forget that flame-out timer stops the situation of described heating arrangements automatically yet.Thus, do not have the user not to be noted described heating arrangements auto extinguishing and cause cooking the phenomenon of failure.

In addition,,, and when preventing to forget that flame-out timer arrives predefined time,, will set its remaining time, start this culinary art timer to described culinary art timer by described controlling organization even the user does not use the culinary art timer according to the present invention.In view of the above, owing to the remaining time that prevents to forget flame-out timer as remaining time of described culinary art timer being shown in indication mechanism, stop the required time of heating arrangements automatically so the user can easily confirm to arrive.If specify, for example, prevent to forget that when preestablishing to give the time of flame-out timer is 30 minutes, and be set at 5 minutes occasion the remaining time of regulation, before preventing to forget that flame-out timer reaches 5 minutes of timing stipulated time, also promptly by prevent to forget flame-out timer come timing effluxion 25 minutes the time, described controlling organization was then set 5 minutes and is given the culinary art timer, started the culinary art timer according to time of its setting.And, after the culinary art timer initiation, before the culinary art timer arrival timing stipulated time, do not stop heating arrangements if there is user's operation to wait, when the culinary art timer had arrived official hour, heating arrangements then quit work so.Between this, the user can confirm the remaining time of the culinary art timer corresponding with the remaining time that prevents to forget flame-out timer by means of indication mechanism, and can self-braking function because have, therefore can prevent the phenomenon of being placed for a long time under the state that the heating at the culinary art thing is stopped.

In addition, in the present invention, described controlling organization, after described culinary art timer has been set the remaining time of the regulation that prevents to forget flame-out timer and has started, and under the occasion of the setting-up time that has changed this culinary art timer by the operation of described operating mechanism, when having passed through the setting-up time that is changed, carry out stopping of described heating arrangements.

In view of the above, the user can confirm the remaining time of the culinary art timer corresponding with the remaining time that prevents to forget flame-out timer by means of indication mechanism, when shown ratio remaining time was cooked the occasion of needed time weak point, the user can operate the remaining time that described operating mechanism changes (prolongation) culinary art timer.In view of the above, then do not have in culinary art heating arrangements, and culinary art was proceeded to till the desirable time of user, therefore, can provide one to use stove and accessory eaily by self-braking thing.

In addition, in the present invention, be provided with the prompting notice mechanism that utilizes sound to point out notice; Described controlling organization described when preventing to forget that flame-out timer arrives the remaining time of predefined regulation, is pointed out notice by described prompting notice mechanism to this.In view of the above, the user can according to sound confirm reliably to prevent to forget flame-out timer minimizings remaining time thing and by cooking the thing that timer can the change setting time.

Description of drawings

Fig. 1 is the block diagram of schematically representing the formation of the stove and accessory of one embodiment of the present invention.

Fig. 2 is the flow chart of action of the controlling organization that stove and accessory had of expression present embodiment.

The specific embodiment

With reference to accompanying drawing, one embodiment of the present invention is described.Fig. 1 is the block diagram of schematically representing the formation of the stove and accessory of one embodiment of the present invention, and Fig. 2 is the flow chart of action of the controlling organization that stove and accessory had of expression present embodiment.

Shown in simulated among Fig. 1, having of present embodiment prevents that the stove and accessory 1 of forgetting flame-out function has: as the gas burner 2 of heating arrangements, as the operation board 3 of the operating mechanism that carries out various running operations and the controlling organization 4 of controlling the running of gas burner 2 corresponding to the operation of this operation board.

Controlling organization 4 has the arithmetic processing section 5 of the CPU that controls needed various calculation process etc., prevents to forget flame-out timer 6 and culinary art timer 7 but also have.In addition, controlling organization 4 also has the sound driver portion 9 as prompting notice mechanism, and wherein this prompting notice mechanism utilizes sound to point out notice by means of sound generator 8.

The console switch group 11 that operation board 3 is provided with running switch 10 and can selects various cooking methods.In addition, as one of this console switch group 11, be provided with culinary art timer switch 12, and the culinary art timer of time that also is equipped with the indication mechanism 13 of the remaining time that shows culinary art timer 7 and sets culinary art timer 7 on operation board 3 is with time configuration switch (increasing/subtract switch) 14.

In that gas burner 2 is supplied with on the gas supply pipe 15 of fuel gas, be provided with solenoid valve 16, this solenoid valve 16 is connected in series in the not shown magnetic valve of trip disposed thereon, and controls gas flow by controlling organization 4.In addition, in Fig. 1,17 is spark plug, is connected with controlling organization 4, lights a fire by means of 18 pairs of gas burners 2 of ignitor.19 for the burning detector, is connected in controlling organization 4, is used to detect the burning of gas burner 2.20 is Temperature Detector, is contacted with the bottom of the container 22 that culinary art thing 21 is housed, and detected temperature is inputed to controlling organization 4.

Below, according to flow chart shown in Figure 2, illustrate with controlling organization 4 prevent to forget the relevant action of flame-out running.In addition, the special operational etc. that prevents to forget the switch group 11 that flame-out timer 6 can be by operation board 3 (for example, push simultaneously and constitute the culinary art timer and increase/subtract switch with time configuration switch 14), can for example change the setting-up time that prevents to forget the burnout time between 30～120 minutes.In the present embodiment, be to forget that to preventing in advance the occasion that flame-out timer 6 is set at 30 minutes describes.

At first,, connect running switch 10,,, prevent to forget that flame-out timer 6 starts immediately at STEP2 in case gas burner 2 is lighted a fire at STEP1.Prevent to forget that flame-out timer 6 begins to forget that to predefined the burnout time (being 30 minutes in the present embodiment) carries out timing.

Then, at STEP3, do not close running switch 10, and, at STEP4, in culinary art timer 7 is not activated, enter STEP5, until as forgetting that flame-out timer 6 is by before 5 minutes of the remaining time of predefined regulation, promptly in the present embodiment, before the timing time of forgetting flame-out timer 6 was through 25 minutes, carry out the circulation of STEP3～STEP5.And, between this, continue the burning running of gas burner 2.

At this, at STEP3,, then enter STEP14 in case disconnect running switch 10, by closing solenoid valve 16, extinguish gas burner 2.In addition, at STEP4, in case start culinary art timer 7, as long as do not disconnect running switch 10, culinary art timer 7 just carries out timing at STEP6; When at STEP7, cook timer 7 and arrived timing during the stipulated time, enter STEP14, extinguish gas burner 2.Culinary art timer 7 not only starts according to the operation of culinary art timer switch 12, still starts according to the cooking method of Fried Fishes etc. sometimes.

On the other hand, after the circulation of carrying out STEP3～STEP5, at STEP5, forget one to 5 minute remaining time of flame-out timer 6, promptly enter STEP8, make sound driver portion 9 action,, utilize sound near forgetting that the thing of the end of burnout time points out notice by means of sound generator 8.Then, at STEP9, be 5 minutes (forgetting the remaining time of flame-out timer), and at STEP10, culinary art timer 7 begin to start with the time set of cooking timer 7, in addition, show the remaining time of cooking timers 7 by described display part 13.At STEP10, after culinary art timer 7 has started, can also utilize the culinary art timer to change the setting-up time of culinary art timer 7 with time configuration switch 14.Thus, the user can be by prompting notice and the demonstration of being undertaken by sound of remaining time, easily understanding arrives according to preventing to forget that flame-out function is performed the flame-out time, and after confirming, the user can change the setting-up time of culinary art timer 7 according to the culinary art situation, perhaps find to forget flame-out after, can stop working immediately by running switch 10.

And, when at STEP11, the user does not cook the alter operation of the setting-up time of timer 7, in STEP12 running switch 10 is not disconnected, forget flame-out because of being assumed to the user, so,, carry out the circulation of STEP11～STEP13 until culinary art timer 7 is to regulation timing time (5 minutes) before, when at STEP13, when culinary art timer 7 has arrived regulation timing time (5 minutes), enter STEP14, extinguish combustion device 2.Thus, can forget burnout time extinguish combustion device 2 automatically, like this, can prevent burning away for a long time of non-original idea by predefined.

On the other hand, when at STEP11, when the user has carried out the alter operation of setting-up time of culinary art timer 7, at STEP15, the setting-up time of change culinary art timer 7, at STEP16, running is not in switch 10 is disconnected, when at STEP17, when culinary art timer 7 has arrived the regulation timing time, enter STEP14, extinguish combustion device 2.Thus, the user can according to the culinary art situation, by its desirable time, continue culinary art before burner 2 is automatically extinguished.Thus, cook afterwards as long as the user confirms to prevent the action of forgetting flame-out timer 6, just burner 2 can not take place is not automatically extinguished the situation that causes cooking failure.

In addition, the stove and accessory 1 of present embodiment can be selected various cooking methods by the console switch group 11 of operation board 3.In addition, as one of cooking method, can exemplify out the Fried Fishes mode.Under the Fried Fishes mode, controlling organization 4 comes solenoid valve 16 is controlled so that the temperature that is detected by Temperature Detector 20 reaches certain mode, regulates the fuel gas supply amount of supplying with gas burner 2, so that the heating quantitative changeization of gas burner 2.And even in this occasion, controlling organization 4 also carries out foregoingly preventing to forget flame-out running by preventing to forget that flame-out timer 6 and culinary art timer 7 carry out.

In addition, as other cooking method, can also exemplify out mode of heating up water (after detecting boiling, the mode of automatic burn-out) or cooking way (mode of cooking automatically).Under these cooking methods, though burn-out automatically, but, consider when causing temperature can not make the situation that burning stops because there not be normal the use, had better carry out by prevent to forget that flame-out timer 6 and culinary art timer 7 carry out and prevent to forget stop working operate as suitable.This occasion, the console switch group 11 by operation board 3 selects to heat up water mode or cooking way, and with it linkedly, controlling organization 4 will prevent that the setting-up time of forgetting flame-out timer 6 is set at the long time (for example 120 minutes).Like this, in the normal culinary art under mode of heating up water or cooking way, the auto extinguishing of forgetting that by preventing flame-out timer 6 and culinary art timer 7 are carried out can not arranged, and under the occasion that normal combustion does not stop, can accomplishing auto extinguishing really.

Claims

1. one kind has the stove and accessory that prevents to forget flame-out function, is provided with: the heating arrangements of heating cooking thing, the operating mechanism that carries out the operation relevant with this heating arrangements running and the controlling organization that carries out the control of described heating arrangements corresponding to the operation of this operating mechanism; This controlling organization has: preventing of starting when the heating of described heating arrangements begins forgotten flame-out timer and had precedence over this and prevent to forget flame-out timer and the culinary art timer that stops that can setting time arbitrarily and carry out described heating arrangements when having passed through the time that sets by means of described operating mechanism; This has the stove and accessory that prevents to forget flame-out function and also is provided with: when the action of this culinary art timer to the setting-up time of this culinary art timer and the indication mechanism that shows remaining time; It is characterized in that, when the user does not use cooking timer to cook, when described when preventing to forget that flame-out timer arrives the remaining time of predefined regulation, described controlling organization should be set and give described culinary art timer remaining time, and start this culinary art timer, this culinary art timer extinguishes stove and accessory through after above-mentioned remaining time.

2. according to 1 described stove and accessory that prevents to forget flame-out function that has of claim the, it is characterized in that, described controlling organization, after described culinary art timer has been set the remaining time of the regulation that prevents to forget flame-out timer and has started, and under the occasion of the setting-up time that has changed this culinary art timer by the operation of described operating mechanism, when having passed through the setting-up time that is changed, carry out stopping of described heating arrangements.

3. according to 1 of claim the or the 2nd the described stove and accessory that prevents to forget flame-out function that has, it is characterized in that, be provided with the prompting notice mechanism that utilizes sound to point out notice; Described controlling organization described when preventing to forget that flame-out timer arrives the remaining time of predefined regulation, is pointed out notice by described prompting notice mechanism to this.