JPS63299710A - Electrically driven cooking machine - Google Patents
Electrically driven cooking machineInfo
- Publication number
- JPS63299710A JPS63299710A JP13204087A JP13204087A JPS63299710A JP S63299710 A JPS63299710 A JP S63299710A JP 13204087 A JP13204087 A JP 13204087A JP 13204087 A JP13204087 A JP 13204087A JP S63299710 A JPS63299710 A JP S63299710A
- Authority
- JP
- Japan
- Prior art keywords
- overcurrent
- circuit
- motor
- detected
- circuit breaker
- 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
- 238000010411 cooking Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Food-Manufacturing Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Generators And Motors (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は電動機の焼損防止機能を備えた電動調理機に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an electric cooking machine having a function of preventing burnout of the electric motor.
（従来の技術）
従来２例えばミキサー（図示せず）などのように容器内
でカッターを電動機からの回転力によって回転させて材
料を粉砕・切削するような電動調理機は材料の質・量に
よって負荷の状態が大きく変化する。従って電動機が過
負荷状態やロック状態が続いて焼損するのを防止するた
め、特開昭６０−２１２１２８号公報による第２図に示
す如く、過負荷状態やロック状態時の電動機の過電流を
検出して過電流しゃ断器を動作させてしまうものや、第
３図に示す如く、単に過電流しゃ断器だけを備えたもの
がある。(Prior art) Conventional 2 Electric cooking machines, such as mixers (not shown), which grind and cut ingredients by rotating a cutter inside a container using rotational force from an electric motor, are The load condition changes significantly. Therefore, in order to prevent the motor from burning out due to continued overload or lock state, overcurrent of the motor during overload state or lock state is detected as shown in Figure 2 of Japanese Patent Application Laid-Open No. 60-212128. There are some that operate an overcurrent breaker, and others that are simply equipped with an overcurrent breaker, as shown in FIG.
（発明が解決しようとする問題点）
しかし、従来の構成では電動機の作動時の突入電流が大
きいためにその電流を検出してしゃ断してしまうとか、
調理途中で材料のちょっとしたかかりや抵抗で一時的に
過電流が流れたとき、実際の電動機への負荷は工程過負
荷になってなく、続けて調理を続行したいのに、しゃ断
器を動作させてしまう等の問題がある。(Problems to be Solved by the Invention) However, in the conventional configuration, the inrush current when the motor is activated is large, so the current is detected and cut off.
When a temporary overcurrent flows due to a slight load or resistance on the ingredients during cooking, the actual load on the motor is not a process overload and you want to continue cooking, but the circuit breaker is activated. There are problems such as storage.
（問題点を解決するための手段）
本発明は上記問題点を解決するためになされたもので、
電動機と、この電動機に接続された過電流しゃ断器と前
記電動機の過電流を検出し、かつ電動機の過電流を演算
回路により一定時間検出し続けるか、過電流検出後、演
算回路による一定時間抜再度過電流を検出した時に前記
過電流しゃ断器に充分な動作電流を供給する過電流検出
・演演・過電流しゃ断器動作回路を備えた構成としたも
のである。(Means for Solving the Problems) The present invention has been made to solve the above problems.
The overcurrent of the motor, the overcurrent breaker connected to this motor, and the motor are detected, and the overcurrent of the motor is continuously detected by a calculation circuit for a certain period of time, or after the overcurrent is detected, the calculation circuit is disconnected for a certain period of time. The configuration includes an overcurrent detection/performance/overcurrent breaker operation circuit that supplies a sufficient operating current to the overcurrent breaker when overcurrent is detected again.
（作 用）
とのようにすることにより材料のちょっとしたかかりな
どによる一時的な過電流に対しては過電流しゃ断器を動
作させることなく、調理が途中で中断されることはない
。また本当の過負荷状態やロック状態時には、一定時間
その状態が続くため演算による一定時間過電流を検出し
続けるか、または一定時間抜過電流を再検出することで
過電流しゃ断器動作回路を働かせる。(Function) By doing this, the overcurrent breaker will not operate in case of a temporary overcurrent caused by a slight overflow of ingredients, and cooking will not be interrupted midway. In addition, in a true overload state or locked state, the state continues for a certain period of time, so the overcurrent circuit is operated by continuing to detect the overcurrent for a certain period of time by calculation, or by re-detecting the overcurrent for a certain period of time. .
（実 施 例）
第１図は本実施例の要部の回路ブロック図であり、ＩＡ
は電動機で、過電流しゃ断器２Ａが直列に接続されてお
り、この回路には過電流検出・演算・過電流しゃ断器動
作回路３Ａが並列接続されている。４Ａは商用電源、
６Ａはスイッチである。(Example) Figure 1 is a circuit block diagram of the main part of this example.
is an electric motor, an overcurrent breaker 2A is connected in series, and an overcurrent detection/calculation/overcurrent breaker operation circuit 3A is connected in parallel to this circuit. 4A is commercial power,
6A is a switch.
この回路において、電動機１Ａが過負荷状態やロック状
態となり過電流が流れた場合、過電流検出・演算・過電
流しゃ断器動作回路３Ａでこの過電流が検出され１回路
が働き演算回路部で一定時間経過後、再度過電流が検出
されるか、一定時間続けて過電流が検出されるかした場
合、直ちに過電流しゃ断器動作回路を働かせてａａ点か
ら過電流しゃ断器２Ａに充分に動作可能な電流を流し。In this circuit, when the motor 1A is overloaded or locked and an overcurrent flows, this overcurrent is detected by the overcurrent detection/calculation/overcurrent breaker operation circuit 3A, and one circuit is activated to keep it constant in the calculation circuit section. After a period of time, if overcurrent is detected again or if overcurrent is detected continuously for a certain period of time, the overcurrent breaker operation circuit is activated immediately and the overcurrent breaker can operate sufficiently from point aa to 2A. Send a current.
ｂｂ点から分岐したバイパス回路によりしゃ断動作をさ
せる。なおこのとき、一定時間は１回の検出時間より長
く、電動機ロック状態において電動機１Ａが異常になる
前の時間を各調理機の電動機に合わせ任意の時間を設定
するものとする。A bypass circuit branched from point bb performs the cutoff operation. At this time, the certain period of time is longer than one detection period, and an arbitrary period of time is set according to the electric motor of each cooking machine, which is the time before the electric motor 1A becomes abnormal in the electric motor lock state.
（発明の効果）
以上のように本発明によると、電動機に異常が起きない
一時的な過負荷状態やロック状態ではしゃ断動作は行な
われず、調理が続行可能であり本当の過負荷時やロック
時には確実にしゃ断し、電動機の焼損を防止出来るもの
である。(Effects of the Invention) As described above, according to the present invention, the cut-off operation is not performed in a temporary overload state or locked state where no abnormality occurs in the electric motor, allowing cooking to continue, and in the case of a real overload or lock state. This ensures reliable shutoff and prevents burnout of the motor.
第１図は本発明の一実施例による電動調理機の要部回路
ブロック図、第２図、第３図は従来の同要部の回路ブロ
ック図である。
１Ａは電動機、２Ａは過電流しゃ断器、 ３Ａは過電流
検出・演算・過電流しゃ断器動作回路である。FIG. 1 is a circuit block diagram of a main part of an electric cooking machine according to an embodiment of the present invention, and FIGS. 2 and 3 are conventional circuit block diagrams of the same main part. 1A is a motor, 2A is an overcurrent breaker, and 3A is an overcurrent detection/calculation/overcurrent breaker operation circuit.
Claims (1)
電流しゃ断器（２Ａ）と、前記電動機（１Ａ）の過電流
を検出し、かつ電動機（１Ａ）の過電流を一定時間検出
し続けるか、過電流検出後一定時間後、再度過電流を検
出する時に、前記過電流しゃ断器（２Ａ）に充分な動作
電流を供給する過電流検出・演算・過電流しゃ断器動作
回路（３Ａ）を備えた電動調理機。An electric motor (1A), an overcurrent breaker (2A) connected to this electric motor (1A), and an overcurrent of the electric motor (1A) are detected, and the overcurrent of the electric motor (1A) is continuously detected for a certain period of time. Or, an overcurrent detection/calculation/overcurrent breaker operation circuit (3A) that supplies sufficient operating current to the overcurrent breaker (2A) when overcurrent is detected again after a certain period of time after overcurrent detection. Equipped with an electric cooking machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13204087A JPS63299710A (en) | 1987-05-28 | 1987-05-28 | Electrically driven cooking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13204087A JPS63299710A (en) | 1987-05-28 | 1987-05-28 | Electrically driven cooking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63299710A true JPS63299710A (en) | 1988-12-07 |
Family
ID=15072103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13204087A Pending JPS63299710A (en) | 1987-05-28 | 1987-05-28 | Electrically driven cooking machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63299710A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014140504A (en) * | 2013-01-24 | 2014-08-07 | Hitachi Appliances Inc | Heating cooker |
-
1987
- 1987-05-28 JP JP13204087A patent/JPS63299710A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014140504A (en) * | 2013-01-24 | 2014-08-07 | Hitachi Appliances Inc | Heating cooker |
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