JPS5932721A - High frequency heater - Google Patents
High frequency heaterInfo
- Publication number
- JPS5932721A JPS5932721A JP14452182A JP14452182A JPS5932721A JP S5932721 A JPS5932721 A JP S5932721A JP 14452182 A JP14452182 A JP 14452182A JP 14452182 A JP14452182 A JP 14452182A JP S5932721 A JPS5932721 A JP S5932721A
- Authority
- JP
- Japan
- Prior art keywords
- food
- infrared detection
- heating chamber
- infrared
- temperature
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 235000013305 food Nutrition 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000002250 progressing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
- H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
- H05B6/6455—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors the sensors being infrared detectors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Electric Ovens (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電子レンジ等の高周波加熱装置におけろ被加
熱物の温度計測に係るものである。１従来例の構成とそ
の問題点
従来、高周波加熱装置における被加熱物の温度計測にお
いては、被加熱物から輻射される赤外線を検出して、非
接触で被加熱物の温度を計測し７ようとする方法が一部
実施されて製品となっている６、第５図に従来例の概略
肉を示す。このような従来例Ｃは、被加熱物の表［ｆｌ
ｉ ｆ＃ａ度の検出がなされるものであって、被加熱物
全体の平均温度の検出では７つ′か−’７’Ｃｏところ
で一般に高周波加熱装置におけ／′、、 、’イク【−
１波力ｉｊ熱においで＆＝１： 、被加熱物の形状。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to temperature measurement of a heated object in a high frequency heating device such as a microwave oven. 1 Configuration of conventional example and its problems Conventionally, when measuring the temperature of a heated object using a high-frequency heating device, the temperature of the heated object is measured without contact by detecting infrared rays radiated from the heated object. Fig. 5 shows a schematic diagram of the conventional meat. Such conventional example C has a table [fl
If the average temperature of the entire object to be heated is detected, the average temperature of the entire heated object is 7' or -'7'Co.In general, however, in high-frequency heating equipment,
In 1 wave power ij heat &=1: , shape of the object to be heated.
４１゛Ｉ′１などの違いによって不均一な加熱か行なわ
）１−１そのために従来例のように被加熱物の表面温度
だ＆Ｊ”ｒｒ 、−ｉｔ ｉｆ！ＩＩ Ｌでも、全体の
加熱進イ」″状況を市確に把］ハコ−Ｊ−ることか出来
ないという欠点があった。。1-1 Therefore, even if the surface temperature of the object to be heated is &J”rr, -it if!II L as in the conventional example, the overall heating progress is ``It had the disadvantage of not being able to grasp the situation accurately.''
発明の１・１的
不発１．！ＩＩＰ；Ｊこのような従来例の欠点に鑑み、
こハイｒ改良Ｌ 、１：うとするものである。Invention 1.1 Misfire 1. ! IIP;J In view of the drawbacks of the conventional example,
Kohai r improvement L, 1: It is intended to be used.
発明の構成
本発明は、第１の赤外線センサーは従来通り、被加熱物
の表１ｆ１１温度を泪測するとともに、第２の赤外線中
ン→ノーを加熱室の底壁から被加熱物の底７’ｉｌ（４
，’望む、１つに取イ・１け、第１の赤外線センサーで
（θ；ｆｆｆｌ／−二被加熱物の表ｒｌ＋ｉ温度と、第
２の赤外線セフ−＋Ｊ−で検出し、た被加熱物の底部温
度との相関に、１．−・−（ｒル加熱物全体の加熱進行
状況を捕えようと１’ ４１ものである。但ｌ−２、一
般に被加熱物は容器に入れられて加熱さハ、るので、第
２の赤外線セフかｊＪ−は、被加熱物の容器の底の温度
を検出することになるが、食品自体からの熱伝導によっ
て１７１１ｉ度上昇するので、間接的に食品自体の底部
の（Ｍ、’を度を検出することになる。Structure of the Invention In the present invention, the first infrared sensor measures the temperature of the heated object as before, and the second infrared sensor measures the temperature of the heated object from the bottom wall of the heating chamber to the bottom 7 of the heated object. 'il(4
,' Desired, take one thing, the first infrared sensor (θ; The correlation with the bottom temperature of the object is as follows: Since the food is heated, the second infrared sensor detects the temperature at the bottom of the container of the heated food, but it indirectly increases the temperature by 1711 degrees due to heat conduction from the food itself. The degree of (M,') at the bottom of the food itself will be detected.
実施例の説明
以下、図面にもとづき、本発明を詳細ＶＣ？ｈＳｅ明す
る。DESCRIPTION OF EMBODIMENTS Hereinafter, the present invention will be explained in detail based on the drawings. hSe clear.
ノは加熱室であり、上壁１２Ｌにｄ第１の赤外線センサ
ー２が加熱室内の食品（被加熱物）６を望むだめの第１
の赤外線検出窓３が設けられている。d is a heating chamber, and a first infrared sensor 2 is mounted on the upper wall 12L of the heating chamber, and a first infrared sensor 2 is located on the top wall 12L of the heating chamber.
An infrared detection window 3 is provided.
又、加熱室の底壁１ｂには第２の赤外線セン９−４が食
品６あるい（ｄ容器７の底部を望ｉｒように、第２の赤
外線検出窓５が設けら凡ている。Further, a second infrared detection window 5 is provided on the bottom wall 1b of the heating chamber so that a second infrared sensor 9-4 can detect the bottom of the food 6 or container 7.
８はマグネトロンであり、導波管９を通ってマイクロ波
が加熱室１内に供給される。8 is a magnetron, and microwaves are supplied into the heating chamber 1 through a waveguide 9.
第２− ａ図、第２−ｂ図は、第２の赤外線検知窓５付
近の構成の実施例である。2-a and 2-b show examples of the configuration near the second infrared detection window 5. FIG.
１０は食品載置台てあり、中火部に赤外線透し２窓１０
ａが設げら力２ている３、１１はチョッパ装置である。10 has a food table and 2 infrared transparent windows in the medium heat section 10
Reference numerals 3 and 11 in which the force 2 a is provided are chopper devices.
又、第２の赤外線センサー４による赤外線検出を行なわ
ない時には、第２の赤外線センサー４の保護も兼ねる。Further, when the second infrared sensor 4 is not performing infrared detection, it also serves to protect the second infrared sensor 4.
１２けターンテーブル装置−〇あり、同じく中火部に赤
夕）線透し窓１２＆か設けらノ′している。There is a 12-digit turntable device, and there is also a transparent window 12& in the medium heat section.
このような構成によって、第２の赤外線センサー４によ
−）て、食品６又は容器７の底部の温度を杉ｙ出するこ
とができる。With such a configuration, the temperature at the bottom of the food 6 or the container 7 can be determined by the second infrared sensor 4.
第３図し、↓、以十のような構成で検出した温度の１１
、’ｊ間変化を小１゛グラフであり、第３図Ａ ｋｌ二
第１の赤外線上ノーリー２の、又第３図Ｂは第２の赤外
線上、／サー４の検出温度を示Ｌ７ている。Figure 3 shows 11 of the temperatures detected with the configuration shown below.
, 'j are graphs showing the detected temperature of Noli 2 on the first infrared ray, and Fig. 3B shows the detected temperature of /Sir 4 on the second infrared ray. There is.
（Ｘ−の２Ｌうに得られた第１．第２の検出温度Ｔ１゜
Ｔ２を・用いて食品６の平均的な温度ＴＡＶは、例えＣ
ｌｊ次の。１．９なｊ（て４で（定できる。(Using the first and second detected temperatures T1 and T2 obtained for 2L of X-, the average temperature TAV of food 6 can be calculated by
lj next. 1.9 j(te4) can be determined.
Ｔ４ｙ＝： ｍＴ１ ＋ ｎＴ２ （ｍ、 ｎは
実数）次に、このよう：／ｉ：検出温度Ｔ、、Ｔ２をも
とに、加熱停十を自動的ＶＣ行なう方法の実施例を第４
図を１１．１いて説明する。T4y=: mT1 + nT2 (m, n are real numbers) Next, we will explain the fourth embodiment of the method of automatically VCing the heating stop based on the detected temperatures T, , T2.
This will be explained using Figure 11.1.
（４−ｉ）＆よ第２の赤外線センサー４で検出した温度
Ｔ２が第４の設定湯度Ｔｄを越えたか否かが判定される
。もし越えでおけば（ｙｅｓ）、これは食品６もしくは
容器７の底部の温度が所定の温度以上になっていること
であり、加熱終了の第１のパターンを示している。(4-i) & It is determined whether the temperature T2 detected by the second infrared sensor 4 exceeds the fourth set hot water temperature Td. If the temperature is exceeded (yes), this means that the temperature at the bottom of the food 6 or the container 7 is higher than the predetermined temperature, indicating the first pattern of heating completion.
次にＴ２）Ｔｄで力ければ（４−２）で第１の赤外線セ
ンサー２で検出した温度Ｔ１が、第１の設定温度’ｒａ
を越したか否かが判定される。こ、ｈは食品６の表面温
度が温度’ｒａに達したか否かの判定である。ここで達
してなけね、ば（Ｎｏ） Ｉ （ＩＪび（４−１）に戻
る。達しておれば（ｙｅＳ）、（４−３）で第２の赤外
線センサー４で検出しまた温度Ｔ２か第２の設定温度Ｔ
ｂに達しているか否かが判定され、達し２ておれば（ｙ
ｅｓ） ＋食品６の表１ｆ１１温度および食品６又は容
器７の底面温度が所定温度に達しだことを意味し、第２
の加熱終了のパターンを示す。達していなければ（Ｎｏ
）、 （４−４）で第１の赤外線センサー２で検出した
温度Ｔ１ が第３の設定温度Ｔｃに達したか否かが判定
され、達していれば（ｙｅｓ） ＋食品６の表面温度が
高くなっており、第３の加熱路ｒパターンを示す。達し
、ていなけれけ（Ｎｏ ）、再び（４−３）に戻る。Next, if T2) is applied at Td, the temperature T1 detected by the first infrared sensor 2 in (4-2) becomes the first set temperature 'ra.
It is determined whether or not it has exceeded the limit. Here, h is a determination as to whether or not the surface temperature of the food 6 has reached temperature 'ra. If it has not reached here, then return to (4-1). If it has reached (yes), it will be detected by the second infrared sensor 4 in (4-3) and the temperature will be T2 again. Second set temperature T
It is determined whether or not b has been reached, and if it has reached 2, (y
es) + Table 1f11 temperature of food 6 and the bottom surface temperature of food 6 or container 7 have reached the predetermined temperature, and the second
This shows the pattern of completion of heating. If it has not been reached (No
), In (4-4), it is determined whether the temperature T1 detected by the first infrared sensor 2 has reached the third set temperature Tc, and if it has reached (yes) + the surface temperature of the food 6 It is high, indicating the third heating path r pattern. If it has not been reached (No), return to (4-3) again.
発明の効果
以１−１、詳細に説明しプこように、本発明は、従来例
のように、単に食品（被加熱物）の表面温度をｒＦ ｆ
ｄｔｌ−ｊ’るのでＰａｔなく、食品もしくはその容
器の底１１１１ ａｊ１’ｒ度をもｉ−ｔ ｕ＋するこ
とによって、食品全体の加熱の進行状況を捕えるもので
あり、より正確な加熱Ｊ’ｒ、！−ｆＪ検出が可能とな
る。Effects of the Invention (1-1) As will be explained in detail, the present invention, unlike the conventional example, simply changes the surface temperature of food (an object to be heated) by rF f
By measuring the bottom 1111 degrees of the food or its container without using Pat, the progress of heating the entire food can be captured, and more accurate heating can be achieved. ,! -fJ detection becomes possible.
第１は神；１本発明の高周波加熱装置の構成図、第２図
ａに１−同要部の拡大詳細図、第２図すは同要部拡人訂
細図、第３図は同じく、加熱進行を示す特性図、第４図
は同じ〈実施例のフローチャー１・、第５図は従来例の
構成図である。
１・・・・・・加熱室、２・・・・・第１の赤外線検出
手段、３・・・・・・第１の赤外線検出窓、４・・・・
・・第２の赤外線検出１段、５・・・・・・第２の赤外
線検出窓。
代理人の氏名 ブ「理士 中 尾 敏 男 ほか１名第
１図
第２図
」
ｌ
第４図The first is God; 1 is a block diagram of the high-frequency heating device of the present invention, 2 is an enlarged detailed view of the same essential part, 2 is an enlarged detailed view of the same essential part, and 3 is the same. , a characteristic diagram showing the progress of heating, and FIG. 4 are the same (flowchart 1 of the embodiment), and FIG. 5 is a configuration diagram of a conventional example. DESCRIPTION OF SYMBOLS 1... Heating chamber, 2... First infrared detection means, 3... First infrared detection window, 4...
...Second infrared detection 1 stage, 5...Second infrared detection window. Name of agent ``Toshio Nakao, Physician, and one other person Figure 1 Figure 2'' Figure 4
Claims (4)
検出窓と、この第１の赤外線検出窓を通して加熱室内を
望む第１の赤外線検出手段と、加熱室の底壁を貫通して
設けられた第２の赤外線検出窓と、この第２の赤外線検
出窓を通し−ご加熱室内を望む第２の赤外線検出手段を
具備してなる高周波加熱装置。(1) A first infrared detection window that penetrates the earthen wall of the heating chamber, a first infrared detection means that looks into the heating chamber through the first infrared detection window, and a first infrared detection means that penetrates the bottom wall of the heating chamber. A high-frequency heating device comprising: a second infrared detection window provided as an infrared detection window; and second infrared detection means for viewing the interior of the heating chamber through the second infrared detection window.
１．第２の赤外線検出手段で検出された温度をＴ２ と
すると、式ｍＴ、＋ ｎＴ２（ｍ、 ｎは実数）で演算
された値によって加熱の制御を行なう特許請求の範囲第
１項に記載の高周波加熱装置。(2) The temperature detected by the first infrared detection means is T
1. When the temperature detected by the second infrared detection means is T2, the high frequency according to claim 1 controls the heating by the value calculated by the formula mT, + nT2 (m and n are real numbers). heating device.
だめの食品載置台を有するものにおいて、食品載置台の
前記第２の赤外線検出窓に対向した部分を切欠いて、第
２の赤外線検出手段から食品もしくけその容器の底面を
直接望める構成とした特許請求の範囲第１項に記載の高
周波加熱装置。(3) In the device having a food placing table provided on the bottom wall of the heating chamber for placing food, a portion of the food placing table facing the second infrared detection window is cut out and a second infrared detection window is provided. 2. The high-frequency heating device according to claim 1, wherein the infrared detecting means is configured to allow direct observation of the bottom surface of the food container.
食品を回転させるためのターンテーブルを有するものに
おいて、このターンテーブルの前記第２の赤外線検出窓
に対向した部分を切欠いで、第２の赤外線検出手段から
食品もしくばその容器の底面を直接望める構成とした特
許請求の範囲第１項に記載の高周波加熱装置。(4) In a device having a turntable provided on the bottom wall of the heating chamber for rotating the food during heating operation, a portion of the turntable facing the second infrared detection window is cut out. 2. The high-frequency heating device according to claim 1, wherein the second infrared detecting means is configured to directly view the food or the bottom of the container thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14452182A JPS5932721A (en) | 1982-08-19 | 1982-08-19 | High frequency heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14452182A JPS5932721A (en) | 1982-08-19 | 1982-08-19 | High frequency heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5932721A true JPS5932721A (en) | 1984-02-22 |
Family
ID=15364269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14452182A Pending JPS5932721A (en) | 1982-08-19 | 1982-08-19 | High frequency heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5932721A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106532A (en) * | 2001-09-28 | 2003-04-09 | Hitachi Hometec Ltd | High frequency heating device |
| JP2011237123A (en) * | 2010-05-11 | 2011-11-24 | Sharp Corp | High frequency cooking device |
| JP2020134056A (en) * | 2019-02-22 | 2020-08-31 | パナソニックＩｐマネジメント株式会社 | High frequency heating device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5148286A (en) * | 1974-10-23 | 1976-04-24 | Mitsubishi Electric Corp | SHUSEKIKAIROGATASENKEIZOFUKUKI |
| JPS55113919A (en) * | 1979-02-23 | 1980-09-02 | Matsushita Electric Ind Co Ltd | High frequency heater |
-
1982
- 1982-08-19 JP JP14452182A patent/JPS5932721A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5148286A (en) * | 1974-10-23 | 1976-04-24 | Mitsubishi Electric Corp | SHUSEKIKAIROGATASENKEIZOFUKUKI |
| JPS55113919A (en) * | 1979-02-23 | 1980-09-02 | Matsushita Electric Ind Co Ltd | High frequency heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106532A (en) * | 2001-09-28 | 2003-04-09 | Hitachi Hometec Ltd | High frequency heating device |
| JP2011237123A (en) * | 2010-05-11 | 2011-11-24 | Sharp Corp | High frequency cooking device |
| JP2020134056A (en) * | 2019-02-22 | 2020-08-31 | パナソニックＩｐマネジメント株式会社 | High frequency heating device |
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