JPH0926136A - Cooking device - Google Patents
Cooking deviceInfo
- Publication number
- JPH0926136A JPH0926136A JP17211695A JP17211695A JPH0926136A JP H0926136 A JPH0926136 A JP H0926136A JP 17211695 A JP17211695 A JP 17211695A JP 17211695 A JP17211695 A JP 17211695A JP H0926136 A JPH0926136 A JP H0926136A
- Authority
- JP
- Japan
- Prior art keywords
- cooking
- door
- control circuit
- cooking chamber
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Electric Ovens (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、少なくともバーナの燃
焼により生じる熱源を用いて被調理物の加熱調理を行う
調理器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooker for heating and cooking an object to be cooked using at least a heat source generated by combustion of a burner.
【0002】[0002]
【従来の技術】近年ほとんどの調理器にはマイクロコン
ピュータが組み込まれ、かつこのマイクロコンピュータ
の機能を利用して、動作中に故障が発生すると自動的に
故障箇所を表示するものもある。2. Description of the Related Art In recent years, most cookers have a microcomputer incorporated therein, and there is also a system in which the function of this microcomputer is used to automatically display a failure location when a failure occurs during operation.
【0003】又、例えば特公平4−53079号公報に
て示す様に、器具内の表示器や、点火器等の機能部品の
故障を個々にチェックする診断モードを設けたものもあ
り、この場合には、各機能部品の動作状態を確実にチェ
ックする事が出来、故障が発生した場合等には大変便利
であるが、例えば調理中に故障が発生してもこれを検出
する事が出来ない。Further, as shown in, for example, Japanese Patent Publication No. 4-53079, there is a system provided with a diagnostic mode for individually checking for malfunctions of functional parts such as an indicator in an instrument and an igniter. , It is possible to check the operating status of each functional component surely, and it is very convenient when a failure occurs. For example, even if a failure occurs during cooking, it cannot be detected. .
【0004】[0004]
【発明が解決しようとする課題】そこで本発明は、調理
開始前にも電磁弁等の機能部品の故障を検出すること
で、より安全性を向上する事を目的とするものである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to improve safety by detecting a failure of a functional component such as a solenoid valve even before starting cooking.
【0005】[0005]
【課題を解決するための手段】本発明は、被調理物を収
納して加熱する調理室と、この調理室の前面に設けられ
た開口を開閉自在に閉じる扉と、この扉の開閉状態を検
出するドアスイッチと、調理室内をバーナの燃焼により
所定の設定温度に加熱する熱源と、この熱源への燃料供
給を制御する電磁弁と、調理室内の調理温度を検出する
温度センサーと、この温度センサーの出力と設定温度と
を比較して電磁弁等を制御するマイクロコンピュータに
て構成した制御回路とを備えたものにおいて、ドアスイ
ッチの接点を介して電磁弁に電源を供給すると共に、制
御回路に、少なくともドアスイッチの閉成を検出する
と、電磁弁の電磁コイルや、この電磁コイルへの通電を
制御するスイッチング素子の異常を検出するためのチェ
ック処理を行うチェック手段を設けて成るものである。DISCLOSURE OF THE INVENTION The present invention relates to a cooking chamber for storing and heating an object to be cooked, a door for opening and closing an opening provided on the front surface of the cooking chamber, and an open / closed state of the door. A door switch for detecting, a heat source for heating the cooking chamber to a predetermined set temperature by burning the burner, a solenoid valve for controlling fuel supply to the heat source, a temperature sensor for detecting the cooking temperature in the cooking chamber, and this temperature. A control circuit configured by a microcomputer that controls an electromagnetic valve or the like by comparing an output of a sensor with a set temperature and supplies power to the electromagnetic valve via a contact of a door switch and a control circuit. When at least the door switch is closed, a check process is performed to detect an abnormality in the solenoid coil of the solenoid valve or the switching element that controls the energization of this solenoid coil. Those made by providing a click means.
【0006】又本発明は、制御回路を、調理開始操作の
検出後にチェック手段によるチェック処理を行う様に構
成して成るものである。Further, according to the present invention, the control circuit is constructed so that the checking process is performed by the checking means after the cooking start operation is detected.
【0007】そして又本発明は、制御回路を、バーナの
着火後にチェック手段によるチェック処理を行う様に構
成して成るものである。Further, according to the present invention, the control circuit is constructed so that the checking process is performed by the checking means after the burner is ignited.
【0008】更に本発明は、制御回路を、バーナの着火
ミス後にチェック手段によるチェック処理を行う様に構
成して成るものである。Further, according to the present invention, the control circuit is constructed so that the checking process is performed by the checking means after the ignition error of the burner.
【0009】[0009]
【作用】調理室内に被調理物を収納して扉を閉じると、
制御回路により扉の閉成をドアスイッチにより検出し、
チェック手段により電磁弁の電磁コイルや、スイッチン
グ素子のオープンやショートによる異常を検出し、異常
がなければ調理の開始操作が行われる迄待機すること
で、電磁弁を開いてバーナに燃料供給を行う前に電磁弁
やスイッチング素子のチェックを行い、これらが異常の
場合には調理の開始操作前にこれを報知することで、安
全性をより向上出来るものである。[Function] When the food is stored in the cooking chamber and the door is closed,
The control circuit detects the closing of the door by the door switch,
The checking means detects an abnormality due to the opening or short circuit of the electromagnetic coil of the solenoid valve or the switching element, and if there is no abnormality, it waits until the cooking start operation is performed, thereby opening the solenoid valve and supplying fuel to the burner. The safety can be further improved by checking the solenoid valve and the switching element in advance and, if they are abnormal, notifying them before the cooking start operation.
【0010】又本発明は、制御回路により調理の開始操
作を検出すると、チェック手段によるチェック処理を行
うことで、調理開始時にも電磁弁やスイッチング素子の
異常チェックを行い、より安全性を向上する事が出来る
ものである。Further, according to the present invention, when the control circuit detects a cooking start operation, the checking process is performed by the checking means, so that the solenoid valve and the switching element are also checked for abnormalities at the start of cooking to further improve safety. You can do things.
【0011】そして又本発明は、制御回路により、バー
ナの燃焼中にはチェック手段によりチェック処理を行う
ことで、何らかの原因により燃焼中に電磁弁やスイッチ
ング素子に異常が発生しても、これを検出して安全側に
制御することで、安全性をより向上する事が出来るもの
である。Further, according to the present invention, the control circuit performs the checking process by the checking means during the burning of the burner, so that even if an abnormality occurs in the solenoid valve or the switching element during the burning due to some cause, this is checked. By detecting and controlling to the safe side, the safety can be further improved.
【0012】更に本発明は、制御回路により、バーナの
着火ミスが発生した場合にも、チェック手段によりチェ
ック処理を行う様に構成したことで、電磁弁やスイッチ
ング素子の故障により着火ミスが発生したのかも同時に
検出することが出来、より安全性を向上する事が出来る
ものである。Further, according to the present invention, the control circuit performs the checking process by the checking means even when a burner ignition error occurs, so that an ignition error occurs due to a failure of the solenoid valve or the switching element. In addition, it is possible to detect at the same time, and it is possible to further improve safety.
【0013】[0013]
【実施例】本発明の実施例を先ず図1と図2に基づき説
明すると、1は調理器本体で、内部に前面を開口2し、
かつ図示しない被調理物を収納して加熱する調理室3を
区画形成していると共に、この調理室の底板4より下側
で後方に位置してガスバーナ5を配設した燃焼室6を区
画形成している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described first with reference to FIGS. 1 and 2. Reference numeral 1 is a cooker main body, which has an opening 2 on the front side.
In addition, a cooking chamber 3 for accommodating and heating an unillustrated food item is defined and a combustion chamber 6 in which a gas burner 5 is arranged is defined below the bottom plate 4 of the cooking chamber. doing.
【0014】又上記調理器本体1の調理室3後方には、
仕切板7を介して循環モーター8により回転駆動する循
環ファン9を収納した送風室10を形成し、上記調理室
3の後面上部には、この調理室内の排気を外部に排出す
る排気筒11を連通し、上記循環ファン9を回転してガ
スバーナ5を燃焼すると、このガスバーナの燃焼により
発生した熱気を上記循環ファン9の作用により送風室1
0内に吸引した後、この送風室より上記仕切板7に穿孔
した図示しない通気孔より調理室3内に循環して調理室
内を予め設定された設定温度に加熱すると同時に、調理
室内の排気の一部を上記排気筒11より外部に排出す
る。In the rear of the cooking chamber 3 of the cooker body 1,
An air blower chamber 10 accommodating a circulation fan 9 rotatably driven by a circulation motor 8 via a partition plate 7 is formed, and an exhaust pipe 11 for discharging exhaust gas in the cooking chamber to the outside is formed in the upper rear portion of the cooking chamber 3. When the gas is burned by rotating the circulation fan 9 in communication with each other, the hot air generated by the combustion of the gas burner causes the blower chamber 1 to operate by the action of the circulation fan 9.
After being sucked into the interior of the cooking chamber, the air is blown into the cooking chamber 3 from a ventilation hole (not shown) formed in the partition plate 7 to heat the cooking chamber to a preset temperature. A part is discharged from the exhaust pipe 11 to the outside.
【0015】12は上記調理室3の上方に区画形成した
収納室で、周知の高周波電波を発射し、発射した電波を
導波管13等により調理室3内に供給するマグネトロン
14と、このマグネトロンやこれに隣接して配設した高
圧トランス15等の電気部品を冷却する冷却ファン16
等を収納している。Reference numeral 12 denotes a storage chamber defined above the cooking chamber 3, which emits well-known high frequency radio waves and supplies the emitted radio waves into the cooking chamber 3 through a waveguide 13 and the like, and this magnetron. Or a cooling fan 16 for cooling electric parts such as a high-voltage transformer 15 disposed adjacent to the same
Etc. are stored.
【0016】一方、上記調理器本体1の前面には、上記
開口2を開閉する縦開きの扉17を開閉自在に枢支して
いると共に、この扉の上方には操作パネル18を装着
し、この操作パネルには、図3にても示す様にその左側
より、調理時間や時刻を数字等により表示する表示器1
9と、調理済み冷凍食品の加熱調理を選択設定する冷凍
食品専用キー20と、オーブン調理を選択設定するオー
ブンキー21と、解凍キー22と、高周波加熱を選択設
定するレンジキー23と、オーブン調理時の調理温度を
設定する温度設定摘み24と、調理時間や解凍時の調理
量を設定する調理時間設定摘み25と、スタートキー2
6と、取り消しキー27とを配置し、かつ上記各キーや
摘みの上方には複数のランプ28・・を配設している。On the other hand, on the front surface of the cooker body 1, a vertically open door 17 for opening and closing the opening 2 is rotatably supported, and an operation panel 18 is mounted above the door. On this operation panel, as shown in FIG. 3, from the left side, a display 1 for displaying cooking time and time by numbers or the like.
9, a frozen food dedicated key 20 for selectively setting the cooked frozen food, an oven key 21 for selectively setting the oven cooking, a thawing key 22, a range key 23 for selectively setting high frequency heating, and an oven cooking Temperature setting knob 24 for setting the cooking temperature at the time, cooking time setting knob 25 for setting the cooking time and the cooking amount at the time of defrosting, and the start key 2
6 and a cancel key 27, and a plurality of lamps 28 ... Are arranged above the keys and the knobs.
【0017】図4は制御手段29のブロック図で、マイ
クロコンピュータにより構成した制御回路30の入力
に、商用の交流電源を所定の直流電源に変換して出力す
る電源回路31と、上記操作パネル18に配置した冷凍
食品専用キー20やオーブンキー21等のメニューキー
と、上記温度設定摘み24により操作される温度設定ボ
リューム32と、上記調理時間設定摘み25により操作
される調理時間設定ボリューム33と、上記スタートキ
ー26と、上記バーナ5の燃焼炎の有無を検出する炎検
出回路34と、上記排気筒11内等に配置されて調理室
3内の温度を検出する温度センサー35とを接続してい
ると共に、上記制御回路30の出力に、上記表示器19
と、制御回路30の暴走を検出するウオッチドック回路
36と、上記バーナ5への燃料供給を制御する元電磁弁
37及び制御電磁弁38の電磁コイル39,40への通
電を各々制御するスイッチング素子41,42と、報知
用のブザー43と、上記循環モーター8と、上記ガスバ
ーナ5の燃焼部に点火用の放電を行う点火器44等を接
続している。FIG. 4 is a block diagram of the control means 29. A power supply circuit 31 for converting a commercial AC power supply into a predetermined DC power supply and outputting the input to a control circuit 30 composed of a microcomputer, and the operation panel 18 described above. Menu keys such as the frozen food dedicated key 20 and the oven key 21 arranged in the above, a temperature setting volume 32 operated by the temperature setting knob 24, and a cooking time setting volume 33 operated by the cooking time setting knob 25, The start key 26, the flame detection circuit 34 for detecting the presence or absence of combustion flames in the burner 5, and the temperature sensor 35 arranged in the exhaust pipe 11 or the like for detecting the temperature in the cooking chamber 3 are connected to each other. At the same time, the output of the control circuit 30 shows the indicator 19
A watchdog circuit 36 for detecting runaway of the control circuit 30, a switching element for controlling energization of electromagnetic coils 39, 40 of the original solenoid valve 37 and the control solenoid valve 38 for controlling fuel supply to the burner 5, respectively. 41, 42, a notification buzzer 43, the circulation motor 8, and an igniter 44 for performing discharge for ignition to the combustion portion of the gas burner 5 are connected.
【0018】一方上記電磁コイル39,40には、上記
扉17の開閉に連動して接点45を開閉するドアスイッ
チ46と、上記ウオッチドック回路36と、上記調理室
3の室壁温度等が異常温度に上昇すると内部接点を開く
ガス用ハイリミット47を介して上記電源回路31から
通電する様に構成していると共に、上記スイッチング素
子41,42には、例えば上記炎検出回路34の出力に
より直接制御されるスイッチング素子48,49を直列
接続し、かつ上記スイッチング素子41,42と電磁コ
イル39,40との接続点を元電磁弁入力回路50と制
御電磁弁入力回路51を各々介して、上記制御回路30
の入力に接続している。On the other hand, in the electromagnetic coils 39 and 40, a door switch 46 that opens and closes the contact 45 in association with opening and closing of the door 17, the watch dock circuit 36, the temperature of the wall of the cooking chamber 3 and the like are abnormal. The power supply circuit 31 is configured to be energized through a gas high limit 47 that opens an internal contact when the temperature rises, and the switching elements 41 and 42 are directly connected to the switching element 41 and 42 by the output of the flame detection circuit 34, for example. The switching elements 48 and 49 to be controlled are connected in series, and the connection points between the switching elements 41 and 42 and the electromagnetic coils 39 and 40 are connected via the original solenoid valve input circuit 50 and the control solenoid valve input circuit 51, respectively. Control circuit 30
Connected to the input.
【0019】又上記制御回路30は、後述する所定のタ
イミングで上記元電磁弁入力回路50や制御電磁弁入力
回路51からの出力を検出して、上記電磁コイル39,
40やスイッチング素子41,42,48,49のオー
プンやショートによる故障を検出するチェック手段52
を具備している。Further, the control circuit 30 detects the output from the original solenoid valve input circuit 50 and the control solenoid valve input circuit 51 at a predetermined timing described later, and the electromagnetic coils 39,
Checking means 52 for detecting a failure due to open or short circuit of 40 or switching elements 41, 42, 48, 49.
Is provided.
【0020】次いで本発明の動作を先ず図5のフローチ
ャートと図6のタイムチャートに基づき説明すると、S
1にて電源コンセントが交流電源に接続されると、S2
にて内部タイマーを起動した後S3にて電源周波数を測
定し、S4にて周波数判定が終了するとS5に進んでド
アスイッチ46が閉じているか否か検出し、閉じればS
6に進んで元電磁弁入力回路50と制御電磁弁入力回路
51からの出力を検出して図8中のチェック項目の初期
チェックに示すチェック処理を行い、この時点で電磁コ
イル39,40とスイッチング素子41,42との接点
から所定の出力電圧が検出されれば、電磁コイル39,
40やスイッチング素子41,42,48,49に異常
はないと判断してS7に進み、ここで冷凍食品専用キー
20やオーブンキー21等のメニューキーの選択設定に
よる調理開始操作を検出し、開始操作を検出すると図7
のS8に進む。Next, the operation of the present invention will be described first with reference to the flowchart of FIG. 5 and the time chart of FIG.
When the power outlet is connected to the AC power source at 1, S2
After starting the internal timer at S3, the power supply frequency is measured at S3. When the frequency determination is completed at S4, the process proceeds to S5 to detect whether the door switch 46 is closed, and if so, S
6, the output from the original solenoid valve input circuit 50 and the control solenoid valve input circuit 51 is detected, and the check process shown in the initial check of the check items in FIG. 8 is performed. At this point, the electromagnetic coils 39 and 40 are switched. If a predetermined output voltage is detected from the contact points with the elements 41 and 42, the electromagnetic coil 39,
40 and the switching elements 41, 42, 48, 49 are determined to be normal, and the process proceeds to S7, where a cooking start operation by selection setting of menu keys such as the frozen food dedicated key 20 and the oven key 21 is detected and started. When the operation is detected,
Proceed to S8.
【0021】一方、上記S6にて所定の出力電圧が検出
されなければ、ガス用ハイリミット47や電磁コイル3
9,40のオープン故障、又はスイッチング素子41,
42,48,49のショート故障と判断してS9に進
み、例えば図8にて示す様なエラー表示を表示器19に
表示すると共に、S10に進んでブザー43によるエラ
ー発生の報知を行う。On the other hand, if the predetermined output voltage is not detected in S6, the gas high limit 47 and the electromagnetic coil 3 are detected.
9, 40 open failure, or switching element 41,
When it is determined that there is a short circuit failure of 42, 48, 49, the process proceeds to S9, and an error display such as that shown in FIG. 8 is displayed on the display device 19, and the process proceeds to S10 where the buzzer 43 notifies the error occurrence.
【0022】又上記S8にて温度センサー35の出力よ
り調理室3の庫内温度を検出し、この温度が温度設定摘
み24等による設定温度より低ければS11に進んで上
記S6と同じ初期チェック処理を行い、故障が検出され
なければS12に進んでスイッチング素子41,48を
オンして電磁コイル39に通電し、元電磁弁37を開く
と共に、S13にてスイッチング素子42,49をオン
して制御電磁弁38を開いてガスバーナ5に燃料を供給
すると同時に点火器44を作動してこのガスバーナを点
火する。In S8, the temperature inside the cooking chamber 3 is detected from the output of the temperature sensor 35. If this temperature is lower than the temperature set by the temperature setting knob 24, the process proceeds to S11 and the same initial check process as in S6. If no failure is detected, the process proceeds to S12, the switching elements 41 and 48 are turned on to energize the electromagnetic coil 39, the original solenoid valve 37 is opened, and the switching elements 42 and 49 are turned on and controlled in S13. The solenoid valve 38 is opened to supply fuel to the gas burner 5, and at the same time, the igniter 44 is operated to ignite the gas burner.
【0023】そしてこの点火動作開始後S14に進んで
炎検出回路34の出力によりガスバーナ5の着火を検出
すると、S15に進んで点火器44をオフした後、S1
6に進んで図8中のチェック項目に着火後チェックとし
て示すチェック処理を行い、異常がなければS17に進
んで設定された調理時間が終了したか否か判定し、終了
していなければS18に進んで温度センサー35の出力
による庫内温度と設定温度とを比較し、庫内温度が設定
温度よりも高ければS19にてスイッチング素子42を
オフして制御電磁弁38を閉じてガスバーナ5を消火し
た後S8に戻り、上記の処理を繰り返す。After the ignition operation is started, the program proceeds to S14, and when the ignition of the gas burner 5 is detected by the output of the flame detection circuit 34, the program proceeds to S15 to turn off the igniter 44, and then S1.
8, the check item shown in FIG. 8 is checked as post-ignition check, and if there is no abnormality, the process proceeds to S17 to determine whether or not the set cooking time has ended. If not, the process proceeds to S18. Then, the temperature inside the refrigerator by the output of the temperature sensor 35 is compared with the set temperature. If the temperature inside the refrigerator is higher than the set temperature, the switching element 42 is turned off in S19 and the control solenoid valve 38 is closed to extinguish the gas burner 5. After that, the process returns to S8 and the above process is repeated.
【0024】一方、上記S8にて庫内温度が設定温度よ
り高い場合には、S20に進んで図8中のチェック項目
にサーモOFFチェックとして示すチェック処理を行な
い、ここで異常がなければS21に進んで炎検出回路3
4の出力より炎有り信号が出力されているか否か検出
し、検出されなければS8に戻り、検出された場合には
S22に進んで制御電磁弁38のバルブ部分かスイッチ
ング素子42,49の故障と判断して表示器19への表
示等の異常処理を行った後、S23に進んでブザー43
による警報を行い、かつ上記S20で制御電磁弁38の
閉弁信号が検出されない場合には、スイッチング素子4
2,49等の異常としてS24に進んで表示器19への
表示等の異常処理を行った後、上記S23に進んで警報
を行う。On the other hand, if the internal temperature is higher than the set temperature in S8, the process proceeds to S20 and the check process shown in FIG. 8 as the thermo OFF check is performed. If there is no abnormality, the process proceeds to S21. Going forward, flame detection circuit 3
It is detected from the output of 4 whether or not the flame present signal is output. If not detected, the process returns to S8, and if detected, the process proceeds to S22 and the valve portion of the control solenoid valve 38 or the switching elements 42, 49 fails. After performing the abnormality processing such as the display on the display device 19, the process proceeds to S23 and the buzzer 43
Is issued and the closing signal of the control solenoid valve 38 is not detected in S20, the switching element 4
After determining that the abnormality is 2,49 or the like, the process proceeds to S24 to perform abnormality processing such as displaying on the display device 19, and then proceeds to S23 to issue an alarm.
【0025】又、上記S11やS16のチェック処理で
開弁信号が検出されない場合には、S25やS26に進
んで表示器19への表示等の異常処理を行った後、上記
S23に進んで警報を行う。If the valve opening signal is not detected in the checking process of S11 or S16, the process proceeds to S25 or S26 to perform an abnormal process such as displaying on the display unit 19, and then proceeds to S23 to issue an alarm. I do.
【0026】更に、上記S14にて炎信号が検出されな
かった場合には、S27に進んで所定時間(例えば10
秒間)点火器44を作動して点火動作を行い、この間に
ガスバーナ5の着火が検出されなかった場合には、S2
8に進んで図8中のチェック項目に着火ミス後チェック
として示すチェック処理を行った後、異常がなければS
29に進み、従来通りの電磁弁37,38を閉じると共
に点火器44の作動を停止したり、表示器19に着火ミ
スの表示を行う等の着火ミス処理を行った後、上記S2
3にて警報を行い、かつ上記S28にて開弁信号が検出
されない場合には、スイッチング素子41,42等の異
常としてS30に進んで表示器19への表示等の異常処
理を行った後、上記S23に進んで警報を行う。Further, when the flame signal is not detected in S14, the process proceeds to S27 and a predetermined time (for example, 10
If the ignition of the gas burner 5 is not detected during this period, the igniter 44 is operated to perform the ignition operation.
After proceeding to step 8 and performing the check process shown in FIG. 8 as the check after ignition mistake, if there is no abnormality, S
After proceeding to 29, the conventional solenoid valves 37, 38 are closed, the operation of the igniter 44 is stopped, the ignition error is displayed on the display device 19, and the like.
If the alarm is issued in step 3 and the valve opening signal is not detected in step S28, the processing proceeds to step S30 as an abnormality of the switching elements 41, 42 and the like, and after performing abnormality processing such as displaying on the display unit 19, The process proceeds to S23 and an alarm is issued.
【0027】そして、上記S17にて調理時間が経過し
て終了すれば、S31に進んでブザー43による調理終
了の報知を行って調理を終了する。When the cooking time has elapsed and the processing is completed in S17, the procedure goes to S31, in which the buzzer 43 notifies the completion of cooking and the cooking is completed.
【0028】尚上記実施例では、S8やS16、S2
0、S28でチェック処理を行っているが、ここで必ず
チェック処理を行う必要はなく、これらの処理によりよ
り安全性を向上出来るものである。In the above embodiment, S8, S16, S2
Although the check processing is performed at 0 and S28, it is not always necessary to perform the check processing here, and the safety can be further improved by these processing.
【0029】[0029]
【発明の効果】本発明の構成により、ドアスイッチの閉
成を検出すると、熱源となるバーナへの燃料供給を制御
する電磁弁の電磁コイルや、この電磁コイルへの通電を
制御するスイッチング素子等の異常を検出するチェック
手段を設けたことで、調理を開始する前にこれら部品の
異常チェックを行ない、異常が発見されれば調理開始操
作を停止することで、より安全性を向上する事が出来る
ものである。According to the structure of the present invention, when the closing of the door switch is detected, the electromagnetic coil of the electromagnetic valve for controlling the fuel supply to the burner as a heat source, the switching element for controlling the energization of the electromagnetic coil, and the like. By providing a check means to detect abnormalities in these parts, it is possible to improve safety by checking the abnormalities of these parts before starting cooking and stopping the cooking start operation if an abnormality is found. It can be done.
【0030】又本発明は、調理開始操作後においてもチ
ェック手段により電磁コイル等に異常がないかチェック
を行うことで、この時点で異常が発見されれば即座に調
理動作を停止して、安全性を更に向上する事が出来るも
のである。Further, according to the present invention, even after the cooking start operation, the checking means checks whether there is any abnormality in the electromagnetic coil or the like. If an abnormality is found at this point, the cooking operation is immediately stopped, and safety is ensured. It is possible to further improve the sex.
【0031】そして又本発明は、調理動作を開始してバ
ーナを着火した後においても、チェック手段により電磁
コイル等の異常を検出する様に構成したことで、バーナ
の燃焼中に何らかの原因により電磁コイル等に異常が発
生しても、これを検出して調理動作を停止し、これによ
り安全性をより向上する事が出来るものである。Further, according to the present invention, even after the cooking operation is started and the burner is ignited, the checking means detects the abnormality of the electromagnetic coil or the like. Even if an abnormality occurs in the coil or the like, it is possible to detect the abnormality and stop the cooking operation, thereby further improving safety.
【0032】更に本発明は、バーナの点火時に着火ミス
が発生した場合においても、チェック手段による電磁コ
イル等の異常チェックを行う様に構成したことで、安全
性を更に向上する事が出来るものである。Further, according to the present invention, even if an ignition error occurs at the time of ignition of the burner, the abnormality check of the electromagnetic coil and the like is performed by the checking means, so that the safety can be further improved. is there.
【図1】本発明の実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention.
【図2】同じく側面縦断面図である。FIG. 2 is a side longitudinal sectional view of the same.
【図3】同じく操作パネルの正面図である。FIG. 3 is a front view of an operation panel of the same.
【図4】同じく制御手段を示すブロック図である。FIG. 4 is a block diagram showing control means of the same.
【図5】同じく動作説明用のフローチャートである。FIG. 5 is a flowchart for similarly explaining the operation.
【図6】同じく動作説明用のタイムチャートである。FIG. 6 is also a time chart for explaining the operation.
【図7】同じく動作説明用のフローチャートである。FIG. 7 is a flowchart for similarly explaining the operation.
【図8】同じく動作説明用の説明図である。FIG. 8 is an explanatory diagram for explaining the same operation.
3 調理室 5 ガスバーナ 17 扉 30 制御回路 35 温度センサー 37 元電磁弁 38 制御電磁弁 41 スイッチング素子 42 スイッチング素子 46 ドアスイッチ 48 スイッチング素子 49 スイッチング素子 52 チェック手段 3 Cooking room 5 Gas burner 17 Door 30 Control circuit 35 Temperature sensor 37 Source solenoid valve 38 Control solenoid valve 41 Switching element 42 Switching element 46 Door switch 48 Switching element 49 Switching element 52 Checking means
Claims (4)
この調理室の前面に設けられた開口を開閉自在に閉じる
扉と、この扉の開閉状態を検出するドアスイッチと、上
記調理室内をバーナの燃焼により所定の設定温度に加熱
する熱源と、この熱源への燃料供給を制御する電磁弁
と、上記調理室内の調理温度を検出する温度センサー
と、この温度センサーの出力と設定温度とを比較して上
記電磁弁等を制御するマイクロコンピュータにて構成し
た制御回路とを備えたものにおいて、上記ドアスイッチ
の接点を介して上記電磁弁に電源を供給すると共に、上
記制御回路に、少なくとも上記ドアスイッチの閉成を検
出すると、上記電磁弁の電磁コイルや、この電磁コイル
への通電を制御するスイッチング素子の異常を検出する
ためのチェック処理を行うチェック手段を設けた事を特
徴とする調理器。1. A cooking chamber for storing and heating an object to be cooked,
A door that opens and closes an opening provided in the front of the cooking chamber, a door switch that detects the open / closed state of the door, a heat source that heats the cooking chamber to a predetermined set temperature by burning a burner, and this heat source. It is composed of an electromagnetic valve for controlling fuel supply to the cooking chamber, a temperature sensor for detecting the cooking temperature in the cooking chamber, and a microcomputer for controlling the electromagnetic valve by comparing the output of the temperature sensor with a set temperature. With a control circuit, power is supplied to the solenoid valve through the contacts of the door switch, and the control circuit detects at least closing of the door switch, and an electromagnetic coil of the solenoid valve or The cooking device is provided with a check means for performing a check process for detecting an abnormality of a switching element that controls energization of the electromagnetic coil.
に上記チェック手段によるチェック処理を行う様に構成
した事を特徴とする、上記請求項1に記載の調理器。2. The cooker according to claim 1, wherein the control circuit is configured to perform a checking process by the checking means after a cooking start operation is detected.
上記チェック手段によるチェック処理を行う様に構成し
た事を特徴とする、上記請求項1に記載の調理器。3. The cooker according to claim 1, wherein the control circuit is configured to perform a check process by the check means after the burner is ignited.
後に上記チェック手段によるチェック処理を行う様に構
成した事を特徴とする、上記請求項1に記載の調理器。4. The cooker according to claim 1, wherein the control circuit is configured to perform a checking process by the checking means after the ignition failure of the burner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17211695A JP3306253B2 (en) | 1995-07-07 | 1995-07-07 | Cooking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17211695A JP3306253B2 (en) | 1995-07-07 | 1995-07-07 | Cooking device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0926136A true JPH0926136A (en) | 1997-01-28 |
JP3306253B2 JP3306253B2 (en) | 2002-07-24 |
Family
ID=15935857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17211695A Expired - Lifetime JP3306253B2 (en) | 1995-07-07 | 1995-07-07 | Cooking device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3306253B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010038450A (en) * | 2008-08-05 | 2010-02-18 | Mitsubishi Electric Corp | Heating cooker |
EP2221544A1 (en) * | 2009-02-23 | 2010-08-25 | FagorBrandt SAS | Safety device for a gas appliance with a safety electro-valve |
CN101881469A (en) * | 2009-05-07 | 2010-11-10 | 樱花卫厨(中国)股份有限公司 | Overheating air-burn preventing device of gas stove and preventing method |
JP2014025649A (en) * | 2012-07-27 | 2014-02-06 | Noritz Corp | Gas cooker |
JP2015219002A (en) * | 2014-05-21 | 2015-12-07 | リンナイ株式会社 | Gas cooker |
CN108497004A (en) * | 2018-06-04 | 2018-09-07 | 平顶山市迈思达机械设备制造有限公司 | A kind of fully automatic electric baking pan |
-
1995
- 1995-07-07 JP JP17211695A patent/JP3306253B2/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010038450A (en) * | 2008-08-05 | 2010-02-18 | Mitsubishi Electric Corp | Heating cooker |
EP2221544A1 (en) * | 2009-02-23 | 2010-08-25 | FagorBrandt SAS | Safety device for a gas appliance with a safety electro-valve |
FR2942528A1 (en) * | 2009-02-23 | 2010-08-27 | Fagorbrandt Sas | DEVICE FOR SAFETY OF A GAS APPLIANCE COMPRISING A SAFETY SOLENOID. |
CN101881469A (en) * | 2009-05-07 | 2010-11-10 | 樱花卫厨(中国)股份有限公司 | Overheating air-burn preventing device of gas stove and preventing method |
JP2014025649A (en) * | 2012-07-27 | 2014-02-06 | Noritz Corp | Gas cooker |
JP2015219002A (en) * | 2014-05-21 | 2015-12-07 | リンナイ株式会社 | Gas cooker |
CN108497004A (en) * | 2018-06-04 | 2018-09-07 | 平顶山市迈思达机械设备制造有限公司 | A kind of fully automatic electric baking pan |
Also Published As
Publication number | Publication date |
---|---|
JP3306253B2 (en) | 2002-07-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10928062B2 (en) | Cooking device and method for controlling the same | |
KR960002811B1 (en) | Cooking appliance with a gas sensor | |
JPH0926136A (en) | Cooking device | |
JP2009008339A (en) | Cooking apparatus | |
JP2007263460A (en) | Heating cooker | |
JP5100135B2 (en) | Cooker | |
JP5134900B2 (en) | Gas cooker | |
JP5025975B2 (en) | Cooker | |
KR0154646B1 (en) | Alarm method of door open for microwave oven | |
KR100315087B1 (en) | Apparatus for compensating for cooking time if door is opened while cooking is in progress in gas oven | |
JPS5860123A (en) | Controller for gas combustion | |
JP3071121B2 (en) | Grilling equipment | |
US20220325894A1 (en) | Cooking apparatus and control method thereof | |
JPH0391616A (en) | System range hood fan | |
JPH0921536A (en) | Cooker | |
JP4721839B2 (en) | Cooker | |
JP2007263457A (en) | Heating cooker | |
JP3837049B2 (en) | Cooking equipment | |
JPS593281Y2 (en) | High frequency heating device with steam generator | |
JP3854837B2 (en) | Combined cooking device | |
KR100276027B1 (en) | Method for displaying time in cooking of microwave oven | |
JP3236947B2 (en) | Cooker internal temperature display | |
KR100197699B1 (en) | Control method for thawing/drying of a gas oven range | |
KR940009060B1 (en) | Control system of a grill | |
JPH04110521A (en) | Cooking oven |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080510 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090510 Year of fee payment: 7 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090510 Year of fee payment: 7 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090510 Year of fee payment: 7 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100510 Year of fee payment: 8 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110510 Year of fee payment: 9 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120510 Year of fee payment: 10 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130510 Year of fee payment: 11 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130510 Year of fee payment: 11 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130510 Year of fee payment: 11 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130510 Year of fee payment: 11 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
EXPY | Cancellation because of completion of term | ||
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |