CN100427831C - 一种电磁炉 - Google Patents

一种电磁炉 Download PDF

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CN100427831C
CN100427831C CNB2006100354228A CN200610035422A CN100427831C CN 100427831 C CN100427831 C CN 100427831C CN B2006100354228 A CNB2006100354228 A CN B2006100354228A CN 200610035422 A CN200610035422 A CN 200610035422A CN 100427831 C CN100427831 C CN 100427831C
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ceramic wafer
ceramic plate
electromagnetic oven
heat
conducting medium
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CN1844755A (zh
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罗智毅
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Foshan Shunde Homesun Electric Appliance Co., Ltd.
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DONGZE INTELLIGENT ELECTRICAL APPLIANCE Co Ltd SHUNDE DISTRICT FOSHAN CITY
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Abstract

本发明公开了一种电磁炉,一种电磁炉,包括壳体和与壳体固定连接的陶瓷板,壳体包括底座和上盖,壳体内设有加热电路,陶瓷板底面装有一温度传感器,温度传感器与加热电路电连接,其特征在于:所述陶瓷板为可盛装导热介质的盘状结构;加热电路上连接有用于检测导热介质温度的副传感器;副传感器设于陶瓷板外侧底面上;副传感器设于陶瓷板的内表面上;陶瓷板上设有非金属筛片;导热介质为水。本发明以盘状结构的陶瓷板代替传统的平直式陶瓷板,并在盘状陶瓷板内装有导热介质,防止电磁炉的干烧和导热介质干涸,保护了加热锅体,提高了电磁炉的使用可靠性。

Description

一种电磁炉
技术领域
本发明涉及电磁加热厨具领域,具体说是一种电磁炉。
背景技术
目前,现有技术所公开的电磁炉,其结构一般包括壳体和与壳体上表面固定的陶瓷板,陶瓷板通常为平板式结构,壳体内设有加热电路,陶瓷板的底面上设有温度传感器,温度传感器与加热电路电连接。而中国专利200410026630.2公开了一种电磁炉,以内嵌在壳体上的半球或弧面状的工程面板代替传统的微晶玻璃或陶瓷板,实现用传统的球面或弧面锅体进行烹调工作。在实际的使用过程中,以上所述的两种电磁炉,其烹饪锅体的底部都是直接放置于陶瓷板上,电磁涡流直接对锅体底部加热进而实现对食物加热。然而,锅体底部与陶瓷板之间存在一定间隙,在电磁炉对食物进行加热时,锅体底部的热量必须通过锅体底部与陶瓷板之间的空气介质传导至陶瓷板,但是,以空气作为热量的传导介质,其热传导率低,导热性能不好,炉内的温度传感器不能准确地检测锅体的温度,进而可能使锅体被过渡加热,导致锅底过热变形,损坏加热锅体,影响电磁炉的使用可靠性。同时,在烹调食物时,特别是当锅内含水份较多,食物被加热过程中,锅内的水份会被逐渐的蒸发,当水分被蒸发干涸后,会出现锅体连同食物会被干烧的现象,既浪费了食物,又可能导致电磁炉会被烧坏。
发明内容
本发明的目的在于克服现有技术的不足,提供一种可靠性高、防止干烧的电磁炉。
本发明的发明目的是这样实现的:一种电磁炉,包括壳体和与壳体固定连接的陶瓷板,壳体包括底座和上盖,壳体内设有加热电路,陶瓷板底面装有一温度传感器,温度传感器与加热电路电连接,其特征在于:所述陶瓷板为盘状结构,盘状陶瓷板内盛有导热介质,加热电路上连接有用于检测导热介质温度的副传感器。
所述副传感器设于陶瓷板外侧底面上。
所述副传感器设于陶瓷板的内表面上。
所述陶瓷板上设有非金属筛片。
所述导热介质为水。
本发明提出的一种电磁炉与现有技术相比具有以下优点:
(1)本发明以盘状结构的陶瓷板代替传统的平直式陶瓷板,并在盘状陶瓷板内装有导热介质,锅体底部与陶瓷板之间的间隙及锅体侧壁均充满导热介质,并在电磁炉内增设有副传感器,当电磁炉对锅体加热时,因副传感器实时地监控导热介质的温度,导热介质可对锅体起有效的限温作用,使锅体底部及其侧壁的温度不至于过高而变形,保护了加热锅体。同时,并当温度传感器和副传感器所检测的温度高于导热介质的沸腾温度,炉内的保护电路切断加热电路,有效地防止了导热介质出现干涸的现象,提高了电磁炉的使用可靠性。
(2)电磁炉工作时,当锅内食物的水份被蒸发干涸后,锅体上浮而离开陶瓷板,与加热电路电磁线圈的距离变大,电流变化,电磁炉停止加热,从而防止了锅体连同食物被干烧,避免了烧坏电磁炉。
(3)由于电磁炉工作时,对导热介质也有一定的加热作用,故当设备停止加热时,导热介质对食物也起保温作用,特别适用于茶具设备的使用。
附图说明
附图1为本发明实施例1的结构示意图。
附图2为本发明实施例2的结构示意图。
附图3为本发明实施例1的使用状态示意图。
具体实施方式
下面结合附图对本发明作进一步的描述。
根据图1、图2和图3所示,本发明的电磁炉,包括壳体1和设于壳体1上的陶瓷板2,壳体1由底座3和上盖4组成,在壳体1内设有加热电路5,陶瓷板2为盘状结构,陶瓷板2底面中央处装有一温度传感器6,盘状陶瓷板2内盛有导热介质7,导热介质7具体为水,并在盘状陶瓷板2的内腔面设有非金属筛片9,陶瓷板2和锅体10由非金属筛片9稍略隔开,使导热介质7在陶瓷板2和锅体10之间流动更为顺畅,电磁炉工作时,加热锅体10放置于盛有导热介质7的盘状陶瓷板2内,使锅体10底部与陶瓷板2之间的空隙充满导热介质7,锅体10底部的热量可无损耗的通过导热介质7传导到陶瓷板2。在加热电路上设有用于检测导热介质7温度的副传感器8,该副传感器8可设于陶瓷板2外侧底面上,如图1示;也可设于陶瓷板2的内表面上,如图2示。副传感器8和温度传感器6均与加热电路5电连接,该副传感器8可准确地检测导热介质7因锅体10温度过高而产生的温度变化状况。本发明的电磁炉,其使用状态如图3所示,以盘状结构的陶瓷板2代替传统的平直式陶瓷板,并在盘状陶瓷板2内装有导热介质7,当电磁炉对锅体10加热时,因副传感器8实时地监控导热介质7的温度,导热介质7可对锅体10起有效的限温作用,使锅体10底部及其侧壁的温度不至于温度过高而变形,保护了加热锅体10,同时,并当温度传感器6和副传感器8所检测的温度高于导热介质7的沸腾温度,炉内的保护电路切断加热电路,有效地防止了导热介质7出现干涸的现象,提高了电磁炉的使用可靠性。同时,当锅内食物的水份被蒸发干涸后,锅体10上浮而离开陶瓷板2,使其与加热电路5电磁线圈的距离变大,电流变化,电磁炉停止加热,从而防止了锅体10连同食物被干烧,避免了烧坏电磁炉。另外电磁炉工作时,对导热介质7也有一定的加热作用,故当设备停止加热时,导热介质7对食物也起保温作用,特别适用于茶具设备的使用,使本发明还具有应用广泛的优点。

Claims (5)

1.一种电磁炉,包括壳体(1)和与壳体(1)固定连接的陶瓷板(2),壳体(1)包括底座(3)和上盖(4),壳体(1)内设有加热电路(5),陶瓷板(2)底面装有一温度传感器(6),温度传感器(6)与加热电路(5)电连接,其特征在于:所述陶瓷板(2)为盘状结构,盘状陶瓷板(2)内盛有导热介质(7),加热电路(5)上连接有用于检测导热介质(7)温度的副传感器(8)。
2.根据权利要求1所述电磁炉,其特征在于:所述副传感器(8)设于陶瓷板(2)外侧底面上。
3.根据权利要求1所述电磁炉,其特征在于:所述副传感器(8)设于陶瓷板(2)的内表面上。
4.根据权利要求1所述电磁炉,其特征在于:所述陶瓷板(2)上设有非金属筛片(9)。
5.根据权利要求1所述电磁炉,其特征在于:所述导热介质(7)为水。
CNB2006100354228A 2006-05-04 2006-05-04 一种电磁炉 Expired - Fee Related CN100427831C (zh)

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Publication number Priority date Publication date Assignee Title
CN201368498Y (zh) * 2009-03-06 2009-12-23 东莞市前锋电子有限公司 电磁加热式器具的温度控制装置
CN107543216B (zh) * 2017-10-03 2019-07-19 浙江泳蓝厨具科技有限公司 一种低噪声的电磁炉及其控制方法

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* Cited by examiner, † Cited by third party
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JPH02129891A (ja) * 1988-11-08 1990-05-17 Matsushita Electric Ind Co Ltd 誘導加熱調理器
JPH04126109A (ja) * 1990-09-14 1992-04-27 Nikko Kk 加熱調理器
JPH05101875A (ja) * 1991-10-04 1993-04-23 Narumi China Corp 電磁調理用容器
JPH05251166A (ja) * 1992-03-06 1993-09-28 Matsushita Electric Ind Co Ltd 誘導加熱調理器
JPH09148058A (ja) * 1995-11-28 1997-06-06 Matsushita Electric Ind Co Ltd 誘導加熱調理器
JPH11185946A (ja) * 1997-10-17 1999-07-09 Hakko Denki Kk 誘導加熱調理用の容器
JP2000311774A (ja) * 1999-04-27 2000-11-07 Hakko Denki Kk 誘導加熱用具
JP2000311773A (ja) * 1999-04-27 2000-11-07 Hakko Denki Kk 誘導加熱用具
JP2001037626A (ja) * 1999-07-28 2001-02-13 Hakko Denki Kk 誘導発熱用具と、それを使用する誘導加熱容器
JP2002015851A (ja) * 2000-06-28 2002-01-18 Matsushita Electric Ind Co Ltd 誘導加熱調理器
CN1563807A (zh) * 2004-03-22 2005-01-12 刘文斌 一种电磁炉
CN2765085Y (zh) * 2004-12-24 2006-03-15 冼国佳 电磁炉

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02129891A (ja) * 1988-11-08 1990-05-17 Matsushita Electric Ind Co Ltd 誘導加熱調理器
JPH04126109A (ja) * 1990-09-14 1992-04-27 Nikko Kk 加熱調理器
JPH05101875A (ja) * 1991-10-04 1993-04-23 Narumi China Corp 電磁調理用容器
JPH05251166A (ja) * 1992-03-06 1993-09-28 Matsushita Electric Ind Co Ltd 誘導加熱調理器
JPH09148058A (ja) * 1995-11-28 1997-06-06 Matsushita Electric Ind Co Ltd 誘導加熱調理器
JPH11185946A (ja) * 1997-10-17 1999-07-09 Hakko Denki Kk 誘導加熱調理用の容器
JP2000311774A (ja) * 1999-04-27 2000-11-07 Hakko Denki Kk 誘導加熱用具
JP2000311773A (ja) * 1999-04-27 2000-11-07 Hakko Denki Kk 誘導加熱用具
JP2001037626A (ja) * 1999-07-28 2001-02-13 Hakko Denki Kk 誘導発熱用具と、それを使用する誘導加熱容器
JP2002015851A (ja) * 2000-06-28 2002-01-18 Matsushita Electric Ind Co Ltd 誘導加熱調理器
CN1563807A (zh) * 2004-03-22 2005-01-12 刘文斌 一种电磁炉
CN2765085Y (zh) * 2004-12-24 2006-03-15 冼国佳 电磁炉

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