JPS5897626A - Heat-cooking apparatus - Google Patents
Heat-cooking apparatusInfo
- Publication number
- JPS5897626A JPS5897626A JP19749881A JP19749881A JPS5897626A JP S5897626 A JPS5897626 A JP S5897626A JP 19749881 A JP19749881 A JP 19749881A JP 19749881 A JP19749881 A JP 19749881A JP S5897626 A JPS5897626 A JP S5897626A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- mounting table
- heated
- electromagnet
- rotating body
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
- G01G7/02—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Electric Ovens (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は被加熱物の重量の検出機能を有する高周波加熱
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a high frequency heating device having a function of detecting the weight of a heated object.
従来より一般に、加熱調理器の加熱時間は、被加熱物の
重量によって決まる。従って加熱時間を設定するだめの
、重量測定器を備えた高周波加熱調理器が提案されてい
る。その−例を、第1図および第2図に示す。第2図は
、第1図の断面を示している。この従来例では、加熱室
1の底板2に貫通口を設け、載置台3と板ばねの弾性を
利用した重量測定装置4とを機械的に結合する構造とな
っている。6は本体であり、6は開閉自在なドアである
。前記載置台3には、加熱室1゛の底板2を貫通する回
転軸7を設けている。回転軸7は樹脂性の軸受け8でさ
さえられており、載置台が回転可能になっている。9は
被加熱物10を乗せた受皿である。11はマイクロ波を
発生するマグネトロンである。この従来の構成では加熱
室1の底板2と載置台3との間にすき間が発生し、ここ
から焼汁などの液体が流入したり、高周波加熱装置の場
合にはマイクロ波が漏洩したりしていた。又、清掃の点
においてもすき間に食品のがすなどがはまり込みそうじ
しにくいなど不便なものとなっていた。Conventionally, the heating time of a heating cooker is generally determined by the weight of the object to be heated. Therefore, a high-frequency heating cooker equipped with a weight measuring device for setting the heating time has been proposed. An example thereof is shown in FIGS. 1 and 2. FIG. 2 shows a cross section of FIG. In this conventional example, a through hole is provided in the bottom plate 2 of the heating chamber 1, and the mounting table 3 and the weight measuring device 4 using the elasticity of a leaf spring are mechanically connected. 6 is a main body, and 6 is a door that can be opened and closed. The mounting table 3 is provided with a rotating shaft 7 that passes through the bottom plate 2 of the heating chamber 1''. The rotating shaft 7 is supported by a resin bearing 8, and the mounting table is rotatable. 9 is a saucer on which the object to be heated 10 is placed. 11 is a magnetron that generates microwaves. In this conventional configuration, a gap is created between the bottom plate 2 of the heating chamber 1 and the mounting table 3, through which liquid such as grilled soup may flow, and in the case of a high-frequency heating device, microwaves may leak. was. In addition, cleaning was also inconvenient as food scraps got stuck in the gaps and were difficult to clean.
本発明は、上記従来の欠点を解消するもので、本体底部
に配置した重量検出素子により、加熱室内の被加熱物の
重量を検出し、その重量に見合った加熱時間を自動設定
して自動調理を可能とし使い勝手の良い加熱調理器を提
供することを目的とする。The present invention solves the above-mentioned conventional drawbacks, and uses a weight detection element placed at the bottom of the main unit to detect the weight of the object to be heated in the heating chamber, automatically sets the heating time commensurate with the weight, and automatically cooks the object. The purpose of the present invention is to provide a heating cooker that is easy to use.
さらに、磁気力を使うことにより加熱室底面に載置台を
回転させるためのシャフトやそれに伴なうすき間等をな
くし、加熱室の清掃をしやすくすることを目的としてい
る。Furthermore, by using magnetic force, the purpose is to eliminate the shaft for rotating the mounting table on the bottom of the heating chamber and the accompanying gaps, thereby making it easier to clean the heating chamber.
以下、本発明の一実施例について図面に基づき説明する
。Hereinafter, one embodiment of the present invention will be described based on the drawings.
第3図は本発明にかかる高周波加熱装置における加熱室
1の底部構造を示す。2は加熱室1の底板であり、3は
回転する載置台であり通称ターンテーブルと呼ばれる。FIG. 3 shows the bottom structure of the heating chamber 1 in the high-frequency heating device according to the present invention. 2 is a bottom plate of the heating chamber 1, and 3 is a rotating mounting table, commonly called a turntable.
この載置台3の下部には、底板2を介在して底板2に固
定された固定軸2aを中心に回転しかつ外周に歯をきざ
んだ回転歯車12が設けられている。この回転歯車12
は駆動モータ13に接続された駆動歯車14によって前
記固定軸2aを中心に回転する構造である。さらに回転
歯車12には上面の円周上にほぼ等間隔に3個の永久磁
石A16が配設されている。一方載置台3の内側にも前
記永久磁石A1sに対応する3個の永久磁石B16を配
設し、相対するそれぞれ一対の永久磁石A16とB16
は、磁気吸引力で結合されている。加熱室1の底板2と
載置台3とは、上下方向をローラA17で支持し左右方
向をローラB18で支持している。回転歯車12が回転
すると、その回転力は磁石A16.B16の吸引力を通
して載置台3へ伝わり、載置台3が回転する。回転歯車
12の上面中央部には、さらに電磁石19が設置されて
いる。加熱室1の底板2を介在し、前記電磁石19と相
対する載置台3内面にも永久磁石20が設けである。電
磁石19を直流励磁すると、永久磁石C20との間で磁
気反発力が働き、載置台3を浮上させることが出来る。A rotary gear 12 that rotates around a fixed shaft 2a fixed to the bottom plate 2 with the bottom plate 2 interposed therebetween is provided at the bottom of the mounting table 3, and has teeth on its outer periphery. This rotating gear 12
has a structure in which it rotates around the fixed shaft 2a by a drive gear 14 connected to a drive motor 13. Furthermore, three permanent magnets A16 are disposed at approximately equal intervals on the circumference of the upper surface of the rotating gear 12. On the other hand, three permanent magnets B16 corresponding to the permanent magnet A1s are also arranged inside the mounting table 3, and a pair of opposing permanent magnets A16 and B16 are provided.
are connected by magnetic attraction. The bottom plate 2 and the mounting table 3 of the heating chamber 1 are supported in the vertical direction by rollers A17 and in the horizontal direction by rollers B18. When the rotary gear 12 rotates, its rotational force is applied to the magnet A16. The suction force of B16 is transmitted to the mounting table 3, and the mounting table 3 rotates. An electromagnet 19 is further installed at the center of the upper surface of the rotating gear 12. A permanent magnet 20 is also provided on the inner surface of the mounting table 3 facing the electromagnet 19 with the bottom plate 2 of the heating chamber 1 interposed therebetween. When the electromagnet 19 is excited with direct current, a magnetic repulsion force acts between it and the permanent magnet C20, and the mounting table 3 can be levitated.
この時載置台3及び載置台3上の被加熱物に加わる重力
は、磁気力を媒体として歯車12に伝わる。At this time, the gravitational force applied to the mounting table 3 and the object to be heated on the mounting table 3 is transmitted to the gear 12 using magnetic force as a medium.
回転歯車12は第6図に示す重量測定装置4に乗ってお
り、回転歯車12に伝わる重量を測定することが出来る
。この重量測定装置4の構造は歪検出素子21を取り付
けた板ばね22に回転歯車12に一体形成された歯車軸
23が接しており、板ばね22に加わるカによシ板ばね
22が変形し、その歪量を歪検出素子21が電気量へ変
換し、さらに制御回路で数値に置換し表示する。2枚の
板ばね22は一端を支持台24に固定し、他端はスペー
サ26で結合されている。The rotating gear 12 is mounted on a weight measuring device 4 shown in FIG. 6, and the weight transmitted to the rotating gear 12 can be measured. The structure of this weight measuring device 4 is such that a gear shaft 23 integrally formed with the rotary gear 12 is in contact with a leaf spring 22 to which a strain detection element 21 is attached, and the leaf spring 22 is deformed by the force applied to the leaf spring 22. The distortion detection element 21 converts the amount of distortion into an electrical amount, which is further converted into a numerical value by a control circuit and displayed. One end of the two leaf springs 22 is fixed to a support base 24, and the other end is connected with a spacer 26.
前記電磁石19への通電は、歯車軸23にはめられ一体
的に回転する摺電リング26と固定され前記摺電リング
26に電気的に接触する摺動子27により行なわれる。The electromagnet 19 is energized by a slider 27 that is fixed to and electrically contacts a sliding ring 26 that is fitted onto a gear shaft 23 and rotates integrally with the sliding ring 26 .
前述のように回転歯車12は、これに加わるカによる板
ばね22の変形すなわちたわみ量に応じて上下に移動す
る。駆動歯車14を長くしておけば、回転歯車12が多
少上下しても回転力を伝えることに支障は無い。又、回
転力を載置台3へ伝える永久磁石A16、B16を載置
台3側面に取りつけることにより、回転歯車12及び載
置台3が上下しても、永久磁石A15とB16との距離
は変わらないために吸引力の変化を少なくすることがで
きる。仮りに、永久磁石A15とB16を永久磁石C2
0と電磁石19のように上下方向に取り付けたとすると
、永久磁石A1sとB16の吸引力のため、前述のよう
に永久磁石C20と電磁石19を使って載置台3を浮上
させて、重量を伝える場合に不都合となる。また永久磁
石A15とB16とを吸引する構造とは逆に反発し合う
関係にしても載置台3は回転歯車12とともに回転する
。As described above, the rotating gear 12 moves up and down in accordance with the amount of deformation or deflection of the leaf spring 22 due to the force applied thereto. If the driving gear 14 is made long, there will be no problem in transmitting the rotational force even if the rotating gear 12 moves up and down a little. Furthermore, by attaching the permanent magnets A16 and B16 that transmit rotational force to the mounting table 3 on the side of the mounting table 3, the distance between the permanent magnets A15 and B16 does not change even if the rotating gear 12 and the mounting table 3 move up and down. changes in suction force can be reduced. For example, permanent magnets A15 and B16 are replaced by permanent magnet C2.
0 and the electromagnet 19, the mounting table 3 is levitated using the permanent magnet C20 and the electromagnet 19 as described above due to the attractive force of the permanent magnets A1s and B16, and the weight is transmitted. This will be inconvenient. Further, even if the permanent magnets A15 and B16 are set in a repulsive relationship, contrary to the structure in which they are attracted to each other, the mounting table 3 rotates together with the rotating gear 12.
前記構成において電磁石19の変わりに、永久磁石を利
用することも考えられるが、電磁石を使うことで次のよ
うな利点が得られる。仮りに永久磁石を使用すると、載
置台3が磁気反発力によって常に浮上しており、軽量の
被加熱物を乗せた時に安定が悪くなる。しかし電磁石を
使った場合には、重量を測定する時のみ電磁石を励磁す
ればよく、又磁力を調節することによって軽量の被加熱
物が乗った場合にも、磁力を弱めて載置台をごくわずか
浮上させることが出来るために、安定を損うことがない
。第6図および第7図は上記の原理を説明するための図
である。第6図において、被加熱物と載置台とを加えた
重量W12は歯車軸23を介して重量測定装置4の板ば
ね22に加わり、板ばね22が重量W11に比例してさ
らにたわみ、そのたわみ量に比例して2つの歪検出素子
21が変形し、その歪変形量が電気信号に変換され、重
量W1v が検出されこのW12 から載置台の重量を
差し引いて被加熱物の重量が電気的に検出されるもので
ある。第7図において、最初電磁石19を励磁しないと
、載置台3及び被加熱物の重量はローラA17を通して
加熱室1の底板2へ加わる。Although it is conceivable to use a permanent magnet instead of the electromagnet 19 in the above configuration, the following advantages can be obtained by using an electromagnet. If a permanent magnet were used, the mounting table 3 would constantly float due to magnetic repulsion, resulting in poor stability when placing a lightweight object to be heated. However, when using an electromagnet, it is only necessary to excite the electromagnet when measuring weight, and by adjusting the magnetic force, even when a lightweight object to be heated is placed on it, the magnetic force can be weakened and the mounting table can be moved slightly. Since it can be floated, stability is not compromised. FIGS. 6 and 7 are diagrams for explaining the above principle. In FIG. 6, the weight W12 including the object to be heated and the mounting table is applied to the leaf spring 22 of the weight measuring device 4 via the gear shaft 23, and the leaf spring 22 is further deflected in proportion to the weight W11. The two strain detection elements 21 are deformed in proportion to the amount, and the amount of strain deformation is converted into an electrical signal, the weight W1v is detected, and the weight of the object to be heated is electrically calculated by subtracting the weight of the mounting table from this W12. It is what is detected. In FIG. 7, if the electromagnet 19 is not energized first, the weight of the mounting table 3 and the object to be heated will be applied to the bottom plate 2 of the heating chamber 1 through the roller A17.
ここで電磁石19を徐々に励磁すると、重量測定装置4
に電磁石19と永久磁石C20との磁気反発力が加わっ
てくる。載置台3が浮上した時点でこの力は最大となり
、これ以上電磁石19を励磁しても載置台3が、増々浮
上するだけで重量測定装置4に加わる力は変化しない。Here, when the electromagnet 19 is gradually excited, the weight measuring device 4
The magnetic repulsion force between the electromagnet 19 and the permanent magnet C20 is added to this. This force reaches its maximum when the mounting table 3 floats, and even if the electromagnet 19 is further excited, the mounting table 3 will only float further and the force applied to the weight measuring device 4 will not change.
すなわち浮上点Fをつかむことによって無に載置台3を
浮上させることなく、載置台3を不安定にすることなく
、重量を測定出来る。That is, by grasping the floating point F, the weight can be measured without causing the mounting table 3 to float up to nothing or making the mounting table 3 unstable.
第8図は、上記構成の制御装置のブロック図である。2
8は制御部、29はキー人力部、30は電磁石励磁部、
31は重量測定部、32は高周波加熱部を示す。33は
高周波を入切するスイッチである。まずキー人力がある
と制御部28は、重量測定用の電磁石19を励磁する。FIG. 8 is a block diagram of the control device having the above configuration. 2
8 is a control unit, 29 is a key power unit, 30 is an electromagnet excitation unit,
31 is a weight measuring section, and 32 is a high frequency heating section. 33 is a switch that turns on and off the high frequency. First, when there is a key human power, the control section 28 excites the electromagnet 19 for weight measurement.
この時、前記のように重量測定部31からの値を見なが
ら励磁を強める。こうして重量を測定し終わると、電磁
石19の励磁を切り、加熱時間を計算して高周波加熱部
32のスイッチ33を入れる。以後は通常の高周波ある
いはヒータ加熱動作を行なう。At this time, the excitation is strengthened while checking the value from the weight measuring section 31 as described above. When the weight has been measured in this way, the excitation of the electromagnet 19 is turned off, the heating time is calculated, and the switch 33 of the high frequency heating section 32 is turned on. After that, normal high frequency or heater heating operation is performed.
上記の実施例では、被加熱物を加熱室1内の載置台3に
一般の操作と同じように載置するだけでその重量が検出
されかつ表示されて、その重量に見合った高周波出力が
自動的に選−択されて、自動調理が進められる。したが
って従来の計量作業を省くことができ使い勝手を一段と
向上することができる。また底板2に回転軸用の穴を設
ける必要がなく、底板部での清掃も簡単となる。In the above embodiment, simply by placing the object to be heated on the mounting table 3 in the heating chamber 1 in the same manner as in a general operation, the weight of the object is detected and displayed, and the high frequency output commensurate with the weight is automatically generated. automatically selected, and automatic cooking proceeds. Therefore, the conventional weighing work can be omitted and the usability can be further improved. Further, there is no need to provide a hole for the rotating shaft in the bottom plate 2, and cleaning of the bottom plate becomes easy.
以上のように本発明によれば次の効果を生ずる。As described above, the present invention provides the following effects.
(1)被加熱物の重量を、加熱室内部に入れた状態で測
定できるので、計量のために特に台所の他のスペースを
使うことがなく、また他のはかりなども不要であり、計
量作業が非常に簡単となる。(1) Since the weight of the object to be heated can be measured while it is inside the heating chamber, there is no need to use other space in the kitchen for weighing, and there is no need for other scales. becomes very easy.
(2)重量測定装置を、加熱室外に設置することができ
るため、熱、電波(マイクロ波)、加熱室内のよごれ等
による影響を避けることができる。したがって誤差の少
ない故障の少ないある重量測定装置とすることができる
。(2) Since the weight measuring device can be installed outside the heating chamber, the influence of heat, radio waves (microwaves), dirt inside the heating chamber, etc. can be avoided. Therefore, a weight measuring device with fewer errors and fewer failures can be achieved.
(3)加熱室内に、突出部が無く清掃に便利であり、ス
ペースを有効に利用できる。(3) There are no protruding parts inside the heating chamber, making cleaning convenient and making effective use of space.
(4)載置台を浮上させるだめの磁石を電磁石とし、磁
力をコントロールすることによって、載置台のバランス
をくずさずに正確な重量測定が可能となった。(4) By using an electromagnet as the magnet that levitates the mounting table and controlling the magnetic force, accurate weight measurement is possible without losing the balance of the mounting table.
第1図は従来の加熱調理器のドアを開いた状態を示す前
面図、第2図は同器の側面断面図、第3図は本発明の加
熱調理器の一実施例を示す要部断面図、第4図は同器の
底部の要部平面図、第5図は同器の重量測定装置の外観
斜視図、第6図(A)。
(B)および第7図は同器の重量検出の原理説明図、第
8図は同器の制御装置のブロック図である。
1・・・・・・加熱室、2・・・・・・底板、3・・・
・・・載置台、4・・・・・・重量測定装置、1o・・
・・・・被加熱物、11・・・・・・マ、グネトロン、
15.16・・・・・・永久磁石A、B、19・・・・
・・電磁石、2o・・・・・・永久磁石C121・・四
・歪検出素子、22・・・・・・板ばね。 、代理人
の氏名 弁理士 中 尾 敏 男 ほか1名第1図
第4図
11!5図
16図
2/ 22 21Fig. 1 is a front view of a conventional heating cooker with the door open, Fig. 2 is a side sectional view of the same, and Fig. 3 is a sectional view of essential parts showing an embodiment of the heating cooker of the present invention. FIG. 4 is a plan view of the main part of the bottom of the container, FIG. 5 is an external perspective view of the weight measuring device of the container, and FIG. 6 (A). (B) and FIG. 7 are explanatory diagrams of the principle of weight detection of the same device, and FIG. 8 is a block diagram of the control device of the same device. 1... Heating chamber, 2... Bottom plate, 3...
...Placement table, 4...Weight measuring device, 1o...
...Object to be heated, 11...Ma, Gnetron,
15.16...Permanent magnets A, B, 19...
...Electromagnet, 2o...Permanent magnet C121...4.Strain detection element, 22...Plate spring. , name of agent Patent attorney Toshio Nakao and one other person Figure 1 Figure 4 11! 5 Figure 16 Figure 2/ 22 21
Claims (3)
の被加熱物を加熱する加熱手段と、前記被加熱物を載置
する載置台と、前記加熱室の底板の下面にあって他の駆
動力によって回転する回転体とを備え、前記載置台と回
転体とは互いに吸着しあうあるいは反発しあう磁気的手
段により結合し連動して回転する構成とするとともに前
記磁気的手段とは別に前記載置台と回転体とが互いに反
発しあう他の磁気的手段を設け、前記他の磁気的手段に
より生ずる磁気反発力により前記回転体に加えられる負
荷を検出し前記被加熱物の重量を検出する重量測定装置
、を設けてなる加熱調理器。(1) A heating chamber for accommodating an object to be heated, a heating means for heating the object to be heated inside the heating chamber, a mounting table on which the object to be heated is placed, and a bottom plate on the lower surface of the bottom plate of the heating chamber. and a rotating body rotated by another driving force, and the mounting table and the rotating body are coupled by magnetic means that attract or repel each other and rotate in conjunction with each other, and the magnetic means and Separately, another magnetic means is provided so that the mounting table and the rotating body repel each other, and the load applied to the rotating body is detected by the magnetic repulsion force generated by the other magnetic means, and the weight of the object to be heated is detected. A heating cooker equipped with a weight measuring device that detects weight.
と前記板ばねの変形量に応じて変形する重量検出素子と
を有する重量測定装置と、前記重量検出素子の変形量を
前記被加熱物の重量に変換して表示する制御装置とを設
けてなる特許請求の範囲第1項記載の加熱調理器。(2) A weight measuring device including a leaf spring that deforms in accordance with a load applied to a rotating body and a weight detection element that deforms in accordance with the amount of deformation of the leaf spring, and the amount of deformation of the weight detection element that is measured by the heated object. The cooking device according to claim 1, further comprising a control device that converts and displays the weight of the object.
対応する電磁石とを設け、前記電磁石の1気的制御によ
り、磁気反発力の発生、消滅および強度を自在に調節可
能とした特許請求の範囲第1項または第2項に記載の加
熱調理器。(3) A permanent magnet is installed on the mounting table, and an electromagnet corresponding to the permanent magnet is installed on the rotating body, and the generation, extinction, and strength of the magnetic repulsion force can be freely adjusted by controlling the electromagnet in one direction. A heating cooker according to claim 1 or 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19749881A JPS5897626A (en) | 1981-12-07 | 1981-12-07 | Heat-cooking apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19749881A JPS5897626A (en) | 1981-12-07 | 1981-12-07 | Heat-cooking apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5897626A true JPS5897626A (en) | 1983-06-10 |
Family
ID=16375467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19749881A Pending JPS5897626A (en) | 1981-12-07 | 1981-12-07 | Heat-cooking apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5897626A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940712U (en) * | 1982-09-09 | 1984-03-15 | 株式会社東芝 | High frequency heating device |
JPS6016918U (en) * | 1983-07-12 | 1985-02-05 | 株式会社東芝 | High frequency heating cooking device |
JPS6136619A (en) * | 1984-07-26 | 1986-02-21 | Matsushita Electric Ind Co Ltd | Heat cooking utencil |
CN111122640A (en) * | 2018-10-31 | 2020-05-08 | 宁波方太厨具有限公司 | Boiling state detection method and cooking system applying same |
-
1981
- 1981-12-07 JP JP19749881A patent/JPS5897626A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940712U (en) * | 1982-09-09 | 1984-03-15 | 株式会社東芝 | High frequency heating device |
JPH0141045Y2 (en) * | 1982-09-09 | 1989-12-06 | ||
JPS6016918U (en) * | 1983-07-12 | 1985-02-05 | 株式会社東芝 | High frequency heating cooking device |
JPH023051Y2 (en) * | 1983-07-12 | 1990-01-24 | ||
JPS6136619A (en) * | 1984-07-26 | 1986-02-21 | Matsushita Electric Ind Co Ltd | Heat cooking utencil |
JPH0333976B2 (en) * | 1984-07-26 | 1991-05-21 | Matsushita Electric Ind Co Ltd | |
CN111122640A (en) * | 2018-10-31 | 2020-05-08 | 宁波方太厨具有限公司 | Boiling state detection method and cooking system applying same |
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