JPH0737041Y2 - Gas cooker - Google Patents

Gas cooker

Info

Publication number
JPH0737041Y2
JPH0737041Y2 JP3116489U JP3116489U JPH0737041Y2 JP H0737041 Y2 JPH0737041 Y2 JP H0737041Y2 JP 3116489 U JP3116489 U JP 3116489U JP 3116489 U JP3116489 U JP 3116489U JP H0737041 Y2 JPH0737041 Y2 JP H0737041Y2
Authority
JP
Japan
Prior art keywords
door
opening
door switch
closing
cooking chamber
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.)
Expired - Lifetime
Application number
JP3116489U
Other languages
Japanese (ja)
Other versions
JPH02124401U (en
Inventor
拓雄 大原
正已 大津
光章 田渕
総一郎 大浜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Tottori Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tottori Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tottori Sanyo Electric Co Ltd
Priority to JP3116489U priority Critical patent/JPH0737041Y2/en
Publication of JPH02124401U publication Critical patent/JPH02124401U/ja
Application granted granted Critical
Publication of JPH0737041Y2 publication Critical patent/JPH0737041Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 (イ)産業上の利用分野 本考案は被調理物を少なくともガスバーナの燃焼熱気に
て加熱するガス調理器に関する。
DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a gas cooker that heats an object to be cooked with at least the combustion hot air of a gas burner.

(ロ)従来の技術 調理室の前面に設けられた開口を開閉する扉を備えると
共に、上記調理室内を加熱する熱源を制御する制御回路
を備えたものでは、例えば実公昭62-1758号公報に示さ
れる様に、商用の交流電源に制御回路用の電源回路を直
結すると共に、上記交流電源には、ドアスイッチ等の安
全スイッチを介してファンモータ、熱源用マグネット等
の負荷を接続している。
(B) Conventional technology In the one provided with a door for opening and closing the opening provided in the front of the cooking chamber and having a control circuit for controlling the heat source for heating the cooking chamber, for example, in Japanese Utility Model Publication No. 62-1758. As shown, a commercial AC power supply is directly connected to a power supply circuit for a control circuit, and a load such as a fan motor and a heat source magnet is connected to the AC power supply via a safety switch such as a door switch. .

一方熱源に少なくともガスバーナを用いた調理器におい
ては、上記実公昭62-1758号公報の電源回路にガスバー
ナへの燃料流路を開閉する電磁弁、ガスバーナの点火器
等を接続すると共に、上記制御回路にドアスイッチと連
動するドアの開閉検出用のスイッチの出力を接続し、こ
の出力にてドアの開閉を検出する構成となる為、上記ド
アスイッチ等の安全スイッチがオーブン側に故障した場
合、制御回路は上記開閉検出用のスイッチによりドアが
閉じているものと判断して電磁弁を開き、ガスバーナの
点火動作を行うが、上記安全スイッチが開いているため
ファンモータ等に通電されず、ガスバーナの熱気が調理
室に供給されない為、燃焼室の過熱が生じるという問題
がある。
On the other hand, in a cooker using at least a gas burner as a heat source, a solenoid valve for opening and closing a fuel flow path to the gas burner, an igniter of the gas burner, etc. are connected to the power circuit of the above-mentioned Japanese Utility Model Publication No. 62-1758, and the control circuit is also provided. If the safety switch such as the above door switch fails on the oven side, control will be performed because the output of the switch for detecting the opening and closing of the door that is interlocked with the door switch is connected to The circuit judges that the door is closed by the switch for opening and closing and opens the solenoid valve to perform the ignition operation of the gas burner, but since the safety switch is open, the fan motor etc. is not energized and the gas burner Since hot air is not supplied to the cooking chamber, there is a problem that the combustion chamber is overheated.

(ハ)考案が解決しようとする課題 本考案はファンモータ等の負荷よりも商用電源側に接続
したドアスイッチの故障時の制御回路の誤動作防止を目
的とする。
(C) Problems to be Solved by the Invention The present invention aims to prevent malfunction of a control circuit when a door switch connected to a commercial power source side rather than a load such as a fan motor fails.

(ニ)課題を解決するための手段 本考案は商用電源に電源トランスを直結すると共に、商
用電源に調理室の前面開口を開閉する扉に連動するドア
スイッチ、及び制御用のスイッチング手段を介してファ
ンモータ等の負荷を接続し、かつ電源トランスの2次側
にスイッチング手段等を制御する制御回路、並びに調理
室内を加熱するガスバーナへの燃料流路を開閉する電磁
弁等を接続するものにおいて、商用電源のドアスイッチ
よりも負荷側にフォトカプラの発光側を接続すると共
に、制御回路の入力回路にフォトカプラの受光側出力を
接続し、この受光側出力にてドアスイッチの開閉を検出
して成るものである。
(D) Means for Solving the Problems The present invention directly connects a power transformer to a commercial power source, and connects the commercial power source to a door switch that interlocks with a door that opens and closes the front opening of the cooking chamber, and a switching means for control. A control circuit for connecting a load such as a fan motor and for controlling a switching means and the like on the secondary side of a power transformer, and a solenoid valve for opening and closing a fuel flow path to a gas burner for heating the cooking chamber, The light emitting side of the photo coupler is connected to the load side of the commercial power supply door switch, and the light receiving side output of the photo coupler is connected to the input circuit of the control circuit, and this light receiving side output detects opening / closing of the door switch. It consists of

(ホ)作用 ドアスイッチが故障して扉が閉じているにも係わらず閉
成しない場合には、フォトカプラの発光側に通電されな
い為、同じく受光側の出力にて扉の閉成が検出されず、
調理の開始操作が行われてもガスバーナの点火動作を行
わないで、安全側の制御を行う。
(E) Action If the door switch fails and the door is closed even though it is closed, the light-emitting side of the photocoupler will not be energized. No
Even if the cooking start operation is performed, the ignition operation of the gas burner is not performed, and the safety side control is performed.

(ヘ)実施例 本考案の実施例を先ず第1図並びに第2図に基づき説明
すると、(1)は比較的小型の調理器本体で、外装ケー
ス(2)内に前面を開口(3)した調理室(4)を区画
形成していると共に、上記開口(3)には縦開きに扉
(5)を開閉自在に装着している。
(F) Embodiment An embodiment of the present invention will be described first with reference to FIG. 1 and FIG. 2. (1) is a relatively small cooker main body, and the front surface is opened (3) in the outer case (2). The cooking chamber (4) is divided and formed, and a door (5) is attached to the opening (3) so as to be vertically opened and openable.

又上記調理室(4)の下方には空室(6)を形成してい
ると共に、この空室の後方には給気室(7)を区画形成
し、かつこの給気室内には炎孔板(8)を調理室(4)
の底板(9)と略同一平面上に位置してライン状のガス
バーナ(10)を立設し、かつ上記給気室(7)の上方に
は、調理室(4)の後板(11)後方に位置して燃焼室
(12)を区画形成している。
An air chamber (6) is formed below the cooking chamber (4), and an air supply chamber (7) is defined behind the air chamber and a flame hole is formed in the air supply chamber. Plate (8) in cooking room (4)
A line-shaped gas burner (10) is erected on the same plane as the bottom plate (9) of the above, and the rear plate (11) of the cooking chamber (4) is provided above the air supply chamber (7). The combustion chamber (12) is formed at the rear of the compartment.

尚上記後板(11)の略中央部には、高周波電波を透過し
ない多数の細孔から成る熱気噴出孔(13)(13)…を穿
設していると共に、この熱気噴出孔の上方に上記と同様
の細孔から成る排気孔(14)(14)…を穿設し、この排
気孔は排気ダクト(15)にて上記外装ケース(2)の上
面後方に開口した排出孔(16)に連通している。
The rear plate (11) is provided with hot air ejection holes (13) (13) ... Comprising a large number of pores that do not allow high-frequency radio waves to pass through, and above the hot air ejection hole. Exhaust holes (14) (14) formed of the same fine holes as described above are provided, and the exhaust holes (16) are opened in the exhaust duct (15) at the rear of the upper surface of the exterior case (2). Is in communication with.

更に上記空室(6)内には、調理室(4)内に高周波電
波を供給するマグネトロン(図示せず)作動用のトラン
ス(17)、上記給気室(7)内に送風するファンモータ
(18)等を配置している。
Furthermore, a transformer (17) for operating a magnetron (not shown) for supplying high frequency radio waves into the cooking chamber (4) is provided in the empty chamber (6), and a fan motor for blowing air into the air supply chamber (7). (18) etc. are arranged.

一方上記調理器本体(1)前面の扉(5)下方には操作
パネル(19)を設け、この操作パネルには高周波加熱
「電子レンジ」、高周波加熱とガスバーナ(10)による
燃焼熱気との同時加熱「コンビ」、燃焼熱気加熱「高速
レンジ」等を選択する選択スイッチ(20)(20)…並び
に調理室(4)内の加熱温度を設定する複数の温度設定
スイッチ(21)(21)…、表示器(22)、スタートスイ
ッチ(23)等を配設している。
On the other hand, an operation panel (19) is provided below the door (5) on the front of the cooker body (1), and this operation panel simultaneously performs high-frequency heating "microwave oven", high-frequency heating and hot combustion by the gas burner (10). Selection switches (20) (20) for selecting heating "combi", combustion hot air heating "high speed range", etc., and multiple temperature setting switches (21) (21) for setting the heating temperature in the cooking chamber (4). , A display (22), a start switch (23), etc. are provided.

又上記調理室(4)内の略中央部には、食品等の被調理
物を載置するターンテーブル(24)を装着していると共
に、上記操作パネル(19)の後方には制御用の回路基板
(25)を装着している。
In addition, a turntable (24) on which an object to be cooked such as food is placed is installed in a substantially central portion of the cooking chamber (4), and a control table is provided behind the operation panel (19). The circuit board (25) is attached.

そして上記回路基板(25)には第3図にて示す制御回路
(26)を構成し、これについて以下に説明すると、(2
7)は商用の交流電源で、ヒューズ(28)を介して降圧
用の電源トランス(29)を接続していると共に、上記扉
(5)の開閉を検出する一対のドアスイッチ(30)(3
1)を介して、スイッチング手段であるリレー接点(3
2)(33)と上記ファンモータ(18)及びマグネトロン
等の負荷(34)との直列回路を接続している。
A control circuit (26) shown in FIG. 3 is formed on the circuit board (25), which will be described below.
7) is a commercial AC power supply, which is connected to a step-down power supply transformer (29) via a fuse (28), and which is a pair of door switches (30) (3) for detecting opening / closing of the door (5).
1) via the relay contact (3
2) A series circuit of (33) and the fan motor (18) and a load (34) such as a magnetron is connected.

上記一方のドアスイッチ(30)は扉(5)が閉じると閉
成し、他方のドアスイッチ(31)は扉(5)が閉じると
閉成する第1接片(31′)と、同じく開くと閉じる第2
接片(32′)とを備え、この第2接片には庫内灯(35)
を接続している。尚(36)はこれらドアスイッチ(30)
(31)を介して交流電源(27)に接続した安全スイッチ
で、扉(5)を閉じると開成する。
The one door switch (30) is closed when the door (5) is closed, and the other door switch (31) is opened similarly to the first contact piece (31 ') which is closed when the door (5) is closed. Second closing
With a contact piece (32 '), and this second contact piece has an interior lamp (35)
Are connected. In addition, (36) is these door switches (30)
A safety switch connected to the AC power supply (27) via (31) opens when the door (5) is closed.

(37)は上記電源トランス(29)の2次巻線(29′)に
接続した直流電源回路で、出力にマイコン(38)を接続
していると共に、このマイコンの出力には、上記リレー
接点(32)(33)を駆動するリレー(39)(40)と、上
記ガスバーナ(10)の点火用点火器(41)と、同じくガ
スバーナへの燃料流路を開閉する電磁弁(42)を接続し
ている。
(37) is a direct current power supply circuit connected to the secondary winding (29 ') of the power supply transformer (29), which has a microcomputer (38) connected to the output, and the output of this microcomputer, the relay contact Connect the relays (39) (40) that drive (32) (33), the ignition igniter (41) for the gas burner (10), and the solenoid valve (42) that also opens and closes the fuel flow path to the gas burner. is doing.

(43)は上記ドアスイッチ(30)(31)よりもファンモ
ータ(18)等の負荷側に接続した双方向性フォトカプラ
(44)の発光素子で、その受光素子(45)を上記マイコ
ン(38)の入力(46)に接続し、上記受光素子(45)の
出力にて扉(5)の開閉状態を検出している。尚上記受
光素子(45)には平滑用のコンデンサ(47)を接続して
いる。
(43) is a light emitting element of a bidirectional photocoupler (44) connected to the load side of the fan motor (18) or the like rather than the door switches (30) and (31), and the light receiving element (45) is connected to the microcomputer ( It is connected to the input (46) of 38) and the open / closed state of the door (5) is detected by the output of the light receiving element (45). A smoothing capacitor (47) is connected to the light receiving element (45).

即ち上記扉(5)を閉じるドアスイッチ(30)は閉じ、
ドアスイッチ(31)は第1接片(31′)に接続され、安
全スイッチ(36)は開くので、上記発光素子(43)に通
電され、受光素子(45)の出力にてマイコン(38)は扉
(5)の閉成を検出する。
That is, the door switch (30) for closing the door (5) is closed,
Since the door switch (31) is connected to the first contact piece (31 ') and the safety switch (36) is opened, the light emitting element (43) is energized, and the microcomputer (38) outputs the light from the light receiving element (45). Detects the closing of the door (5).

而して調理に際しては、扉(5)を開けてターンテーブ
ル(24)上に被調理物を載置した後扉(5)を閉じ、操
作パネル(19)のスイッチを選択操作して調理を開始す
る。
When cooking, the door (5) is opened, the object to be cooked is placed on the turntable (24), the door (5) is closed, and the switch on the operation panel (19) is selected to perform cooking. Start.

そして燃焼熱気加熱時には、ファンモータ(18)、点火
器(41)、電磁弁(42)等を作動してガスバーナ(10)
を点火燃焼する事で、燃焼室(12)内に発生した燃焼熱
気は、熱気噴出孔(13)(13)…より調理室(4)内に
噴出して被調理物を加熱する。
Then, when the combustion hot air is heated, the fan motor (18), the igniter (41), the solenoid valve (42), etc. are operated to operate the gas burner (10).
By igniting and burning, the hot combustion air generated in the combustion chamber (12) is ejected from the hot air ejection holes (13) (13) ... into the cooking chamber (4) to heat the food to be cooked.

一方例えば上記ドアスイッチ(30)(31)の故障により
どれかがファンモータ(18)等の負荷への非通電状態に
なった場合、上記発光素子(43)へも通電されない為、
受光素子(45)の出力によりマイコン(38)は扉(5)
が開いたままと判断し、上記スタートスイッチ(23)に
より調理の開始操作が行われても、リレー(39)(4
0)、点火器(41)、電磁弁(42)への通電を行わず、
安全側に制御を行う。
On the other hand, for example, when one of the door switches (30) (31) fails and the load such as the fan motor (18) is de-energized, the light-emitting element (43) is not energized.
The output of the light receiving element (45) causes the microcomputer (38) to open the door (5).
Even if the start switch (23) is used to start cooking, the relays (39) (4
0), the igniter (41) and the solenoid valve (42) are not energized,
Control on the safe side.

(ト)考案の効果 本考案による構成により、ファンモータ等の負荷への通
電を確実に検出することができ、ドアスイッチの故障時
における誤動作を確実に防止することができる。
(G) Effect of the Invention With the configuration according to the present invention, it is possible to reliably detect the energization of the load such as the fan motor, and it is possible to reliably prevent a malfunction when the door switch fails.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案の正面図、第2図は同じく側面縦断面
図、第3図は同じく回路図である。 (4)……調理室、(5)……扉、(10)……ガスバー
ナ、(18)……ファンモータ、(26)……制御回路、
(27)……交流電源、(29)……電源トランス、(30)
(31)……ドアスイッチ、(32)(33)……リレー接
点、(42)……電磁弁、(43)……発光素子、(44)…
…フォトカプラ、(45)……受光素子。
FIG. 1 is a front view of the present invention, FIG. 2 is a side elevational sectional view of the same, and FIG. 3 is a circuit diagram of the same. (4) …… Cooking room, (5) …… Door, (10) …… Gas burner, (18) …… Fan motor, (26) …… Control circuit,
(27) …… AC power supply, (29) …… Power transformer, (30)
(31) …… door switch, (32) (33) …… relay contact, (42) …… solenoid valve, (43) …… light emitting element, (44)…
… Photo coupler, (45) …… Light receiving element.

フロントページの続き (72)考案者 田渕 光章 鳥取県鳥取市南吉方3丁目201番地 鳥取 三洋電機株式会社内 (72)考案者 大浜 総一郎 鳥取県鳥取市南吉方3丁目201番地 鳥取 三洋電機株式会社内Front page continued (72) Inventor Mitsuaki Tabuchi 3 201 Minamiyoshikata, Tottori-shi, Tottori Sanyo Electric Co., Ltd. (72) Inventor Soichiro Ohama 3 201 Minamiyoshikata, Tottori-shi Tottori Sanyo Electric Co., Ltd. Within

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】商用電源に電源トランスを直結すると共
に、上記商用電源に調理室の前面開口を開閉する扉に連
動するドアスイッチ、及び制御用のスイッチング手段を
介してファンモータ等の負荷を接続し、かつ上記電源ト
ランスの2次側に上記スイッチング手段等を制御する制
御回路、並びに上記調理室内を加熱するガスバーナへの
燃料流路を開閉する電磁弁等を接続するものにおいて、
上記商用電源のドアスイッチよりも負荷側にフォトカプ
ラの発光側を接続すると共に、上記制御回路の入力回路
に上記フォトカプラの受光側出力を接続し、この受光側
出力にて上記ドアスイッチの開閉を検出する事を特徴と
する調理器。
1. A power transformer is directly connected to a commercial power source, and a load such as a fan motor is connected to the commercial power source via a door switch interlocking with a door for opening and closing a front opening of a cooking chamber, and a switching means for control. In addition, a control circuit for controlling the switching means and the like, and a solenoid valve for opening and closing a fuel flow path to the gas burner for heating the cooking chamber are connected to the secondary side of the power transformer.
The light emitting side of the photo coupler is connected to the load side of the door switch of the commercial power source, and the light receiving side output of the photo coupler is connected to the input circuit of the control circuit, and the door switch is opened / closed by the light receiving side output. Cooker characterized by detecting.
JP3116489U 1989-03-17 1989-03-17 Gas cooker Expired - Lifetime JPH0737041Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3116489U JPH0737041Y2 (en) 1989-03-17 1989-03-17 Gas cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3116489U JPH0737041Y2 (en) 1989-03-17 1989-03-17 Gas cooker

Publications (2)

Publication Number Publication Date
JPH02124401U JPH02124401U (en) 1990-10-12
JPH0737041Y2 true JPH0737041Y2 (en) 1995-08-23

Family

ID=31533899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3116489U Expired - Lifetime JPH0737041Y2 (en) 1989-03-17 1989-03-17 Gas cooker

Country Status (1)

Country Link
JP (1) JPH0737041Y2 (en)

Also Published As

Publication number Publication date
JPH02124401U (en) 1990-10-12

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