WO2020151260A1 - 电磁加热盘及电饭煲 - Google Patents

电磁加热盘及电饭煲 Download PDF

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Publication number
WO2020151260A1
WO2020151260A1 PCT/CN2019/110743 CN2019110743W WO2020151260A1 WO 2020151260 A1 WO2020151260 A1 WO 2020151260A1 CN 2019110743 W CN2019110743 W CN 2019110743W WO 2020151260 A1 WO2020151260 A1 WO 2020151260A1
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WIPO (PCT)
Prior art keywords
electromagnetic heating
heating plate
magnetic strip
accommodating cavity
plate according
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PCT/CN2019/110743
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English (en)
French (fr)
Inventor
陈崇得
夏鹏
邓志宏
陈亮
晏冬
张源智
陈礼昌
陈俊祺
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珠海格力电器股份有限公司
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Publication of WO2020151260A1 publication Critical patent/WO2020151260A1/zh

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    • 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
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/004—Cooking-vessels with integral electrical heating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • A47J36/2483—Warming devices with electrical heating means
    • 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
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02—Induction heating

Definitions

  • the application relates to the field of electromagnetic heating, and more specifically to an electromagnetic heating plate that can be easily installed, can reduce magnetic leakage rate and improve thermal efficiency, and an electric rice cooker adopting the electromagnetic heating plate.
  • the rice cooker As a household appliance, the rice cooker is now a must-have for every household.
  • the rice cooker usually uses electromagnetic heating for cooking.
  • the magnetic stripe and the magnetic stripe holder in the electromagnetic heating plate of some electric rice cookers adopt an integrated structure.
  • the magnetic stripe and the magnetic stripe holder are injection molded together. This method has high requirements on the injection molding process, difficult production, and higher cost. .
  • the commonly used magnetic strips are long strips with small area and low thermal efficiency.
  • the present application provides an electromagnetic heating plate and an electric rice cooker using the electromagnetic heating plate.
  • An electromagnetic heating plate includes a magnetic stripe rack and a magnetic stripe.
  • the magnetic stripe rack is arranged with a plurality of accommodating cavities, one end of the accommodating cavity is provided with a socket, and the magnetic strip is inserted into the accommodating cavity from the socket in.
  • the magnetic strip holder includes a bottom surface
  • the receiving cavity includes a bottom receiving cavity provided in the bottom surface
  • the magnetic strip includes a bottom magnetic strip provided in the bottom receiving cavity
  • the magnetic strip holder further includes a side part connected with the bottom surface, a side accommodating cavity is provided on the side part, and the magnetic strip further includes a side accommodating cavity provided in the side accommodating cavity. Side magnetic stripe.
  • the bottom surface accommodating cavity is connected to the side surface accommodating cavity, and a bottom surface socket and a side surface socket are opened at the connection position of the bottom surface accommodating cavity and the side surface accommodating cavity.
  • the bottom portion further includes: a first baffle portion provided on the upper portion of the bottom surface accommodating cavity and a first opening portion provided on one side of the first baffle portion.
  • the side surface part further includes: a second baffle part provided on the upper part of the side accommodating cavity and a second opening part provided on one side of the second baffle part.
  • the edge of the first baffle portion protrudes from the first extension portion toward the first opening portion.
  • the edge of the second baffle portion protrudes from the second extension portion toward the second opening portion.
  • the bottom portion is provided with a third opening at a position directly opposite to the first baffle portion.
  • the shape of the bottom surface magnetic stripe and the side surface magnetic stripe is fan-shaped, trapezoidal or fan-like.
  • the large side of the bottom surface magnetic stripe is located at the bottom surface socket, and the large side of the side surface magnetic stripe is located at the side surface socket.
  • the magnetic strip and the magnetic strip holder are interference fit.
  • the accommodating cavities are arranged at even intervals around the central axis of the magnetic strip holder.
  • An electric rice cooker includes the above electromagnetic heating plate.
  • the electromagnetic heating plate of the present application is provided with an accommodating cavity with a socket on the magnetic strip holder, and the magnetic strip is installed by inserting and assembling, which is convenient for production; the magnetic strip is set in a fan shape, and the installation has a guiding effect, which is more convenient for installation; The range of the effective magnetic field is increased, and the thermal efficiency is improved.
  • Figure 1 is an exploded view of an embodiment
  • Figure 2 is a structural diagram of an embodiment
  • Figure 3 is a cross-sectional view of an embodiment.
  • an electromagnetic heating plate provided by an embodiment of this application includes a magnetic stripe rack 1 and a magnetic stripe 2.
  • a plurality of accommodating cavities are arranged on the magnetic stripe rack 1.
  • One end of the cavity is provided with a socket, and the magnetic strip is inserted into the accommodating cavity from this socket, and the magnetic strip is mounted on the magnetic strip holder by inserting and assembling, which is convenient to produce and has a lower cost.
  • the magnetic strip holder 1 includes a bottom surface 11 and a side surface 12. One end of the side surface 12 is connected to the bottom surface 11.
  • the accommodating cavity includes a bottom accommodating cavity 31 and a side accommodating cavity 32.
  • the magnetic strip includes a bottom magnetic strip 21 and a side magnetic strip. Strip 22, the bottom accommodating cavity is provided on the bottom surface 11 of the magnetic strip holder, the side accommodating cavity 32 is provided on the side portion, the bottom magnetic strip 21 is provided in the bottom accommodating cavity 31, and the side magnetic strip 22 is provided in the side accommodating cavity 32 .
  • the bottom surface 11 and the side surface 12 are arranged at an obtuse angle, and the bottom surface accommodating cavity 31 is connected to the side accommodating cavity 32.
  • a bottom surface socket 311 and a side surface socket 321 are respectively opened at the connection position of the bottom surface accommodating cavity and the side surface accommodating cavity, and the bottom surface magnetic The strip and the side magnetic strip are inserted into the bottom surface socket 311 and the side surface socket 321 respectively for assembly.
  • a first baffle portion 312 and a first opening 313 are also provided on the upper part of the bottom accommodating cavity 31.
  • the first opening 313 and the bottom socket 311 are respectively provided on both sides of the first baffle portion 312.
  • This structure is to reduce Materials, reduce costs, not only reduce materials, but also can stably place the bottom magnetic stripe.
  • a second baffle portion 322 and a second opening portion are provided on the upper part of the side containing cavity, and the second opening portion and the side socket are provided on both sides of the second baffle portion 322.
  • the side surface of the first baffle portion 312 protrudes a first extension portion 314 toward the first opening portion 313.
  • the width of the first extension portion is narrower and the length is longer. This increases the contact area with the bottom surface of the magnetic stripe and increases the firmness.
  • the side surface of the second baffle portion 322 extends out of the second extension portion 324 toward the second opening 323.
  • a third opening 315 is provided at the position where the bottom surface 11 faces the first baffle part 312.
  • the third opening 315 is provided to facilitate injection molding; at the position where the side part faces the second baffle part With a fourth opening, its function is also to facilitate mold ejection.
  • the shape of the magnetic stripe 2 can be selected as a sector, trapezoid or sector-like shape.
  • the magnetic stripe 2 of these shapes will have a large side and a small side structure.
  • the employee holds the bottom magnetic strip or the side magnetic strip.
  • For the large side of the strip insert the small side of the bottom magnetic strip or the side magnetic strip into the bottom accommodating cavity or the side accommodating cavity first, and set the large side of the bottom magnetic strip and the side magnetic strip at the connection position of the bottom accommodating cavity and the side accommodating cavity .
  • the structure of these shapes also increases the area of the magnetic strip, expands the effective magnetic field, reduces the area of the magnetic field in the air, reduces the magnetic leakage rate, and improves the thermal efficiency. Thereby saving power.
  • the magnetic stripe and the magnetic stripe holder are designed as an interference fit to avoid the magnetic stripe from falling off.
  • the interference part only needs the large side of the magnetic stripe and the corresponding position of the bottom and side sockets. Yes, it is easy to install.
  • the magnetic stripe and the magnetic stripe holder can also be fixed in other ways, such as glue bonding.
  • the accommodating cavities are arranged at even intervals around the central axis of the magnetic strip holder.
  • the application also includes an electric rice cooker, which includes the above electromagnetic heating plate.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Baking, Grill, Roasting (AREA)
  • Cookers (AREA)

Abstract

一种电磁加热盘及其电饭煲，其中电磁加热盘包括磁条架（1）和磁条（2），所述磁条架（1）排布有若干个容纳腔（31、32），所述容纳腔（31、32）的一端设有插口（311、321），所述磁条（2）从所述插口（311、321）插入所述容纳腔（31、32）中。在磁条架（1）上设置具有插口（311、321）的容纳腔（31、32），通过插入装配的方式安装磁条（2），方便安装生产；把磁条（2）设置为扇形或类扇形，安装有导向作用，安装更加方便；并且也扩大了有效磁场的范围，提高了热效率。

Description

电磁加热盘及电饭煲
相关申请的交叉引用
本申请要求于2019年1月21日提交中国专利局，申请号为201910054650.7，申请名称为“方便安装的电磁加热盘及电饭煲”的中国专利申请的优先权,在此将其全文引入作为参考。
技术领域
本申请涉及电磁加热领域，更具体地说是一种既能方便安装，又能降低漏磁率，提高热效率的电磁加热盘，以及采用了该电磁加热盘的电饭煲。
背景技术
电饭煲作为一个家用电器，现在已经是家家必备，电饭煲通常都是采用电磁加热的方式煮饭。目前有些电饭煲电磁加热盘中的磁条和磁条架采用了一体式的结构，将磁条和磁条架一起注塑，该方式对注塑过程的工艺要求很高，生产困难，并且成本也更加高。现常用的磁条为长条形，其面积也较小，热效率不高。
所以，如何开发一种方便安装、提高热效率的电磁加热盘具有重要意义的。
发明内容
为了方便安装、提高热效率，本申请的提供了一种电磁加热盘及采用了该电磁加热盘的电饭煲。
为达上述目的，本申请采用的技术方案如下：
一种电磁加热盘，包括磁条架和磁条，所述磁条架排布有若干个容纳腔，所述容纳腔的一端设有插口，所述磁条从所述插口插入所述容纳腔中。
在其中一个实施例中，所述磁条架包括底面部，所述容纳腔包括设在所述底面部的底面容纳腔，所述磁条包括设在所述底面容纳腔内的底面磁条。
在其中一个实施例中，所述磁条架还包括与所述底面部连接的侧面部，所述侧面部上设有侧面容纳腔，所述磁条还包括设在所述侧面容纳腔内的侧面磁条。
在其中一个实施例中，所述底面容纳腔与所述侧面容纳腔相连接，所述底面容纳腔与所述侧面容纳腔连接位置处开设有底面插口和侧面插口。
在其中一个实施例中，所述底面部还包括：设于所述底面容纳腔上部的第一挡板部和设于所述第一挡板部一侧的第一开口部。
在其中一个实施例中，所述侧面部还包括：设于所述侧面容纳腔上部的第二挡板部和设于所述第二挡板部一侧的第二开口部。
在其中一个实施例中，所述第一挡板部的边缘向所述第一开口部伸出第一延伸部。
在其中一个实施例中，所述第二挡板部的边缘向所述第二开口部伸出第二延伸部。
在其中一个实施例中，所述底面部正对所述第一挡板部的位置设有第三开口部。
在其中一个实施例中，所述底面磁条和侧面磁条的形状为扇形、梯形或类扇形。
在其中一个实施例中，所述底面磁条的大边位于所述底面插口处，所述侧面磁条的大边位于所述侧面插口处。
在其中一个实施例中，所述磁条与所述磁条架过盈配合。
在其中一个实施例中，所述容纳腔绕所述磁条架的中心轴均匀间隔排布。
一种电饭煲，包括上述的电磁加热盘。
与现有技术相比，本申请至少具有以下有益效果：
本申请的电磁加热盘，在磁条架上设置具有插口的容纳腔，通过插入装配的方式安装磁条，方便生产；把磁条设置为扇形，安装有导向作用，安装更加方便；并且也扩大了有效磁场的范围，提高了热效率。
附图说明
图1为一实施例的爆炸图；
图2为一实施例的结构图；
图3为一实施例的剖面图。
具体实施方式
下面结合附图和实施例对本申请做进一步说明。
参照图1-3所示，为本申请的一个实施例提供的一种电磁加热盘，其包括磁条架1和磁条2，在磁条架1上排布有多个容纳腔，该容纳腔的一端设有插口，把磁条从这个插 口中插入到容纳腔中，通过插入装配的方式把磁条装入到磁条架上，生产方便，并且成本也更加低廉。
其中，磁条架1包括底面部11和侧面部12，侧面部12的一端与底面部11连接，容纳腔包括底面容纳腔31和侧面容纳腔32，磁条包括了底面磁条21和侧面磁条22，底面容纳腔设在磁条架的底面部11上，侧面容纳腔32设在侧面部上，底面磁条21设在底面容纳腔31内，侧面磁条22设在侧面容纳腔32内。
其中，底面部11与侧面部12呈钝角设置，底面容纳腔31与侧面容纳腔32相连接，在底面容纳腔和侧面容纳腔连接位置处分别开设有底面插口311和侧面插口321，把底面磁条和侧面磁条分别从底面插口311和侧面插口321插入，进行装配。
在底面容纳腔31的上部还设有第一挡板部312和第一开口部313，第一开口部313和底面插口311分别设在第一挡板部312的两侧，此结构是为了减少材料，减少成本，既减少了材料，还能够稳定的放置底面磁条。在侧面容纳腔的上部设有第二挡板部322和第二开口部，第二开口部和侧面插口设在第二挡板部322的两侧。
第一挡板部312的侧面向第一开口部313伸出一个第一延伸部314，第一延伸部的宽度较窄，长度较长，这样增加了与底面磁条的接触面积，增加了牢固度，防止由于第一开口部过大，底面磁条从第一开口中掉出；第二挡板部322的侧面向第二开口部323伸出第二延伸部324。在底面部11正对第一档板部312的位置处设有第三开口部315，第三开口部315的设置是为了方便注塑出模；在侧面部正对第二挡板部的位置处设有第四开口，其作用也是方便出模。
磁条2的形状为选择为扇形、梯形或类扇形中的一种，这些形状的磁条2会存在一个大边和一个小边的结构，在安装时，员工手持着底面磁条或侧面磁条的大边，将底面磁条或侧面磁条的小边先插入底面容纳腔或侧面容纳腔，将底面磁条和侧面磁条的大边设在底面容纳腔与侧面容纳腔的连接位置处。这些形状的结构，相比于现常用的长条形的磁条也是增加在磁条的面积，扩大了有效磁场的范围，减少了磁场在空气中的区域，减少了漏磁率，提高了热效率，从而节省了电能。
为了固定磁条与磁条架，把磁条与磁条架设计为过盈配合，避免磁条脱落，过盈的部分只需要磁条的大边与底面插口和侧面插口相应位置处过盈即可，这样方便安装。当然磁条与磁条架的固定方式也可以选择其它的方式，比如胶粘接等。较优地，容纳腔绕着磁条架的中心轴均匀间隔排布。
本申请还包括一种电饭煲，该电饭煲包括上述的电磁加热盘。
上述通过具体实施例对本申请进行了详细的说明，这些详细的说明仅仅限于帮助本领域技术人员理解本申请的内容，并不能理解为对本申请保护范围的限制。本领域技术人员在本申请构思下对上述方案进行的各种润饰、等效变换等均应包含在本申请的保护范围。

Claims (14)

  1. 一种电磁加热盘，包括磁条架(1)和磁条(2)，其特征在于，所述磁条架(1)排布有若干个容纳腔，所述容纳腔的一端设有插口，所述磁条(2)从所述插口插入所述容纳腔中。
  2. 根据权利要求1所述的电磁加热盘，其特征在于，所述磁条架包括底面部(11)，所述容纳腔包括设在所述底面部(11)的底面容纳腔(31)，所述磁条(2)包括设在所述底面容纳腔(31)内的底面磁条(21)。
  3. 根据权利要求2所述的电磁加热盘，其特征在于，所述磁条架(1)还包括与所述底面部(11)连接的侧面部(12)，所述侧面部(12)设有侧面容纳腔(32)，所述磁条还包括设在所述侧面容纳腔内的侧面磁条(22)。
  4. 根据权利要求3所述的电磁加热盘，其特征在于，所述底面容纳腔(31)与所述侧面容纳腔(32)相连接，所述底面容纳腔与所述侧面容纳腔连接位置处开设有底面插口(311)和侧面插口(321)。
  5. 根据权利要求4所述的电磁加热盘，其特征在于，所述底面部(11)还包括：设于所述底面容纳腔(31)上部的第一挡板部(312)和设于所述第一挡板部一侧的第一开口部(313)。
  6. 根据权利要求5所述的电磁加热盘，其特征在于，所述侧面部还包括：设于所述侧面容纳腔(32)上部的第二挡板部(322)和设于所述第二挡板部一侧的第二开口部(323)。
  7. 根据权利要求5所述的电磁加热盘，其特征在于：所述第一挡板部(312)的边缘向所述第一开口部(313)伸出第一延伸部(314)。
  8. 根据权利要求6所述的电磁加热盘，其特征在于：所述第二挡板部(322)的边缘向所述第二开口部(323)伸出第二延伸部(324)。
  9. 根据权利要求6所述的电磁加热盘，其特征在于：所述底面部(11)正对所述第一挡板部(312)的位置处设有第三开口部(315)。
  10. 根据权利要求4所述的电磁加热盘，其特征在于：所述底面磁条(21)和侧面磁条(22)的形状为扇形、梯形或类扇形。
  11. 根据权利要求10所述的电磁加热盘，其特征在于：所述底面磁条(21)的大边位于所述底面插口(311)处，所述侧面磁条(22)的大边位于所述侧面插口(321)处。
  12. 根据权利要求1所述的电磁加热盘，其特征在于：所述磁条(2)与所述容纳腔 过盈配合。
  13. 根据权利要求1所述的电磁加热盘，其特征在于：所述容纳腔绕所述磁条架(1)的中心轴均匀间隔排布。
  14. 一种电饭煲，其特征在于：包括如权利要求1-13任一项所述的电磁加热盘。
PCT/CN2019/110743 2019-01-21 2019-10-12 电磁加热盘及电饭煲 WO2020151260A1 (zh)

Applications Claiming Priority (2)

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