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WO2018068425A1 - Convection conduction type electrical heating device for electric cooker - Google Patents

Convection conduction type electrical heating device for electric cooker Download PDF

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Publication number
WO2018068425A1
WO2018068425A1 PCT/CN2016/113629 CN2016113629W WO2018068425A1 WO 2018068425 A1 WO2018068425 A1 WO 2018068425A1 CN 2016113629 W CN2016113629 W CN 2016113629W WO 2018068425 A1 WO2018068425 A1 WO 2018068425A1
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WO
WIPO (PCT)
Prior art keywords
thick film
heating element
outer casing
film heating
side wall
Prior art date
Application number
PCT/CN2016/113629
Other languages
French (fr)
Chinese (zh)
Inventor
苏冠贤
周善智
姚辉雄
Original Assignee
东莞佐佑电子科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 东莞佐佑电子科技有限公司 filed Critical 东莞佐佑电子科技有限公司
Publication of WO2018068425A1 publication Critical patent/WO2018068425A1/en

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Classifications

    • 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
    • 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
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay

Definitions

  • the invention relates to the technical field of food electric heating cooking devices, in particular to a rice cooker convection conduction type electric heating device.
  • rice cookers are widely used in people's daily life.
  • the heating is generally performed by means of bottom heating, and the specific: the rice cooker is provided with an electromagnetic heating plate on the lower end side of the inner casing, and the inner liner and the electromagnetic heating are heated.
  • the heat generated by the electromagnetic heating plate is conducted to the inner tank, thereby heating the food.
  • the rice cooker of the prior art also uses infrared heating to achieve heating of the food.
  • electromagnetic radiation is inevitably generated during actual use, which may cause electromagnetic radiation damage to the user, especially for pregnant women.
  • the object of the present invention is to provide a convection-conducting electric heating device for a rice cooker, which adopts a safe and radiation-free surrounding stereoscopic thick film heating method for food, in view of the deficiencies of the prior art. Heating and cooking, the structure design is novel, the safety is high, the heating effect is good, and the food can be effectively and uniformly heated.
  • the utility model relates to a convection conduction electric heating device for a rice cooker, which comprises a metal heating outer casing, wherein a metal heating outer casing is internally formed with an opening-facing outer casing accommodating cavity, and an upper end of the metal heating outer casing is disposed on the outer casing accommodating cavity.
  • a movable cover body is mounted on the upper end opening, and a bottom surface thick film heating element is printed on the lower surface of the metal heating outer casing.
  • the outer surface of the side wall of the metal heating outer casing is printed with a side wall thick film heating element, and the movable cover a cover thick film heating element is printed at an intermediate position of the lower surface of the body;
  • the new rice cooker electric heating device further comprises a controller electrically connected to the external power source, the lower surface of the metal heating outer casing is provided with a temperature sensor in contact with the metal heating outer casing, the bottom surface thick film heating body and the side wall thick film The heating element, the cover thick film heating element, and the temperature sensor are respectively electrically connected to the controller;
  • the outer casing of the metal heating outer casing is embedded with a heated inner tank, and the inner surface of the heated inner casing is formed with a food heating chamber with an opening upward, and the lower surface of the heated inner casing is spaced apart from the bottom surface of the outer casing of the outer casing.
  • the outer surface of the side wall of the heated bladder is spaced from the side wall of the outer casing of the outer casing.
  • the sidewall thick film heating element has a circular ring shape and is an annular continuous annular thick film heating element, and the annular thick film heating element is electrically connected to the controller.
  • the sidewall thick film heating element includes a thick film heating element unit uniformly distributed in a circumferential ring shape, and each of the thick film heating element units is electrically connected to the controller.
  • the bottom surface thick film heating element has a circular ring shape, and the temperature sensor is installed at a center position of the bottom surface thick film heating element.
  • the cover thick film heating element has a circular ring shape.
  • the heated inner tank is a ceramic inner tank, a metal inner tank or a plastic inner tank.
  • the upper end edge portion of the heated inner liner is provided with a bladder shoulder extending radially outwardly and having a ring shape, and the upper end portion of the side wall of the outer casing receiving cavity is provided corresponding to the inner bladder shoulder
  • the outer bladder shoulder is placed on the upper surface of the outer shoulder of the outer bladder.
  • the utility model has the beneficial effects that the electric current convection conduction type electric heating device of the invention has a heating inner liner embedded in the outer casing of the metal heating outer casing, and the upper end of the metal heating outer casing is externally
  • a movable cover body is arranged at the upper end of the bile chamber, a thick film heating element is printed on the lower surface of the metal heating outer surface, and a side wall thick film heating element is printed on the outer surface of the side wall of the metal heating outer shell, and the middle surface of the lower surface of the movable cover body is printed.
  • the new rice cooker electric heating device further comprises a controller, a temperature sensor on the lower surface of the metal heating outer casing, a thick film heating element on the bottom surface, a thick film heating element on the bottom surface, and a thick film on the cover body
  • the heating body and the temperature sensor are respectively electrically connected to the controller;
  • the heating inner chamber is formed by the food heating chamber, and the lower surface of the heated inner tank is spaced apart from the bottom surface of the outer casing of the outer casing, and the outer surface of the side wall of the heated inner tank is accommodated with the outer casing.
  • the sidewalls of the cavity are spaced apart.
  • Figure 1 is a schematic view of the structure of the present invention.
  • a rice cooker convection conduction electric heating device comprises a metal heating outer casing 1 , and a metal heating outer casing 1 is internally formed with an opening facing upward outer casing accommodating cavity 11 , and a metal heating outer casing 1
  • the upper end side of the upper end opening of the outer casing accommodating chamber 11 is movably mounted with a movable cover 2, and the lower surface of the metal heating outer casing 1 is printed with a bottom surface thick film heating element 31, and the metal heating outer casing 1
  • a sidewall thick film heating element 32 is printed on the outer surface of the side wall, and a cover thick film heating element 33 is printed at an intermediate position on the lower surface of the movable cover 2.
  • the new rice cooker electric heating device further includes a controller 4 electrically connected to the external power source, and the lower surface of the metal heating outer casing 1 is provided with a temperature sensor 5 in contact with the metal heating outer casing 1, and the bottom surface thick film
  • the heating element 31, the side wall thick film heating element 32, the lid thick film heating element 33, and the temperature sensor 5 are electrically connected to the controller 4, respectively.
  • the outer casing plenum 11 of the metal heating outer casing 1 is embedded with a heated inner casing 6, and the inner surface of the heated inner lining 6 is formed with a food heating chamber 61 having an opening upward, and the lower surface of the heated inner lining 6.
  • the heated inner liner 6 of the present invention is prepared by using a high temperature resistant material, such as ceramic, metal or high temperature resistant plastic, etc., that is, the heated inner liner 6 of the present invention is a ceramic inner liner, a metal inner liner or a plastic inner liner.
  • the above materials do not constitute a limitation of the present invention, that is, the heated inner liner 6 of the present invention can also be prepared by using other high temperature resistant materials.
  • the sidewall thick film heating element 32 of the present invention can adopt the following two structural forms, specifically: 1.
  • the sidewall thick film heating element 32 has a circular ring shape and is a circular continuous annular thick film heating element.
  • the sidewall thick film heating element 32 includes a thick film heating element unit uniformly distributed in a circumferential ring shape, and each thick film heating element unit is electrically connected to the controller 4, respectively.
  • the bottom thick film heating element 31 has a circular ring shape
  • the temperature sensor 5 is installed at the center of the bottom surface thick film heating element 31
  • the lid thick film heating element 33 has an annular shape.
  • the shape design of the bottom thick film heating element 31 and the cover thick film heating element 33 does not limit the present invention, that is, the bottom thick film heating element 31 and the cover thick film heating element 33 of the present invention can also be used. Other shapes are designed.
  • the bottom surface thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 of the present invention are respectively prepared from a thick film resistor paste, and are printed in a thick film resistor paste during the production and preparation process of the present invention.
  • the bottom surface thick film heating element 31 is formed on the bottom surface of the metal heating outer casing 1, and the thick film resistor paste is printed on the side wall of the metal heating outer casing 1 to form a side wall thick film heating element 32, and the thick film resistor paste is printed on the activity.
  • a cover thick film heating element 33 is formed on the lower surface of the lid 2.
  • thick film resistor paste in the case of energization, it can effectively convert electric energy directly into heat energy, and the thick film resistor paste does not generate electromagnetic radiation when heated, that is, it does not cause damage to the user. Electromagnetic radiation damage, high security.
  • the food is directly placed in the food heating chamber 61 of the heated bladder 6, the controller 4 is electrically connected to the external power source, and the controller 4 is a bottom thick film heating body 31, and the side wall is thick.
  • the film heating element 32 and the lid thick film heating element 33 are energized, and the bottom surface thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 generate heat and heat directly passes through the metal heating outer casing 1 The heat is transmitted to the air in the outer casing 11 and the heat conducted to the air is transmitted to the heated bladder 6 to heat the food.
  • the bottom thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 work synchronously, and the present invention adopts a convection conduction mode (ie, thermal radiation conduction mode).
  • a convection conduction mode ie, thermal radiation conduction mode.
  • the surrounding three-dimensional heating method can realize 360-degree all-round heating, that is, can effectively ensure that the food is sufficiently uniformly heated.
  • the controller 4 generates heat according to the user's key command to the bottom thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 to generate heat.
  • the temperature sensor 5 collects the temperature signal of the metal heating outer casing 1 in real time and transmits the temperature signal to the controller 4 in real time; therefore, the thick film heating element 31, the side wall thick film heating element 32, and the cover body are thick through the bottom surface.
  • the controller 4 can adjust the power of the bottom surface thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 according to the actual temperature. So that the heated food meets the user's requirements.
  • the present invention adopts the above-mentioned structural design, the invention adopts a safe and radiation-free surrounding three-dimensional thick film heating method to heat and cook the food, and can effectively ensure that the food is fully uniformly heated; therefore, the invention has novel structural design, High safety and good heating effect.
  • the present invention may adopt the following structural design, specifically: the upper end portion of the heated inner liner 6 is provided with The inner side of the outer wall of the outer casing accommodating chamber 11 is provided with a bladder shoulder 12, and the inner shoulder 62 is provided. Placed on the upper surface of the outer shoulder 12.
  • the above-mentioned suspended structure design does not constitute a limitation of the present invention, and the present invention can also support the heated inner liner 6 in a manner of hollowing out the metal bracket to ensure that the heated inner liner 6 is suspended.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

Disclosed is a convection conduction type electrical heating device for an electric cooker. A heated inner container (6) is embedded in an outer container containing cavity (11) of a metal heating outer container (1) thereof, an upper end opening of the outer container containing cavity (11) on an upper end side of the metal heating outer container (1) is provided with a movable cover body (2), a bottom face thick film heating member (31) is printed on a lower surface of the metal heating outer container (1), a side wall thick film heating member (32) is printed on an outer surface of a side wall of the metal heating outer container (1), and a cover body thick film heating member (33) is printed in a middle position of a lower surface of the movable cover body (2). The electric cooker electrical heating device also comprises a controller (4), and the lower surface of the metal heating outer container (1) is provided with a temperature sensor (5); a food heating chamber (61) is moulded inside the heated inner container (6), the heated inner container (6) is suspended in the outer container containing cavity (11), and an outer surface of the heated inner container (6) and an inner wall of the outer container containing cavity (11) are spaced apart from one another. A safe and non-radiating surrounding three-dimensional thick film heating method is used to heat and cook food, and the food can be effectively, fully and uniformly heated. The device has the advantages of novel structural design, a high level of safety and a good heating effect.

Description

一种电饭锅对流传导式电加热装置  Electric rice cooker convection conduction electric heating device
技术领域Technical field
本发明涉及食物电加热烹煮装置技术领域，尤其涉及一种电饭锅对流传导式电加热装置。The invention relates to the technical field of food electric heating cooking devices, in particular to a rice cooker convection conduction type electric heating device.
背景技术Background technique
作为一种重要的电加热烹饪装置，电饭锅被广泛地应用于人们的日常生活中。其中，对于现有的电饭锅而言，其一般采用底部加热的方式来实现加热，具体的：电饭锅于内胆的下端侧装设有电磁发热盘，加热时，内胆与电磁发热盘接触，电磁发热盘通电后所产生的热量传导至内胆，进而实现对食物进行加热。另外，现有技术中的电饭锅还有采用红外加热方式来实现对食物加热。As an important electric heating cooking device, rice cookers are widely used in people's daily life. Wherein, for the existing rice cooker, the heating is generally performed by means of bottom heating, and the specific: the rice cooker is provided with an electromagnetic heating plate on the lower end side of the inner casing, and the inner liner and the electromagnetic heating are heated. When the disk is in contact, the heat generated by the electromagnetic heating plate is conducted to the inner tank, thereby heating the food. In addition, the rice cooker of the prior art also uses infrared heating to achieve heating of the food.
然而，对于上述电磁加热或者红外加热方式而言，在实际的使用过程中，不可避免地会产生电磁辐射，这样就会对使用者造成电磁辐射伤害，尤其是针对孕妇。However, in the above electromagnetic heating or infrared heating mode, electromagnetic radiation is inevitably generated during actual use, which may cause electromagnetic radiation damage to the user, especially for pregnant women.
发明内容Summary of the invention
本发明的目的在于针对现有技术的不足而提供一种电饭锅对流传导式电加热装置，该电饭锅对流传导式电加热装置采用安全无辐射的环绕立体厚膜加热方式来对食物进行加热烹煮，结构设计新颖、安全性高、加热效果好且能够有效地保证食物充分均匀受热。The object of the present invention is to provide a convection-conducting electric heating device for a rice cooker, which adopts a safe and radiation-free surrounding stereoscopic thick film heating method for food, in view of the deficiencies of the prior art. Heating and cooking, the structure design is novel, the safety is high, the heating effect is good, and the food can be effectively and uniformly heated.
为达到上述目的，本发明通过以下技术方案来实现。In order to achieve the above object, the present invention is achieved by the following technical solutions.
一种电饭锅对流传导式电加热装置，包括金属发热外胆，金属发热外胆的内部成型有开口朝上的外胆容置腔，金属发热外胆的上端侧于外胆容置腔的上端开口处可相对开合地装设有活动盖体，金属发热外胆的下表面印刷有底面厚膜发热体，金属发热外胆的侧壁外表面印刷有侧壁厚膜发热体，活动盖体下表面的中间位置印刷有盖体厚膜发热体； The utility model relates to a convection conduction electric heating device for a rice cooker, which comprises a metal heating outer casing, wherein a metal heating outer casing is internally formed with an opening-facing outer casing accommodating cavity, and an upper end of the metal heating outer casing is disposed on the outer casing accommodating cavity. A movable cover body is mounted on the upper end opening, and a bottom surface thick film heating element is printed on the lower surface of the metal heating outer casing. The outer surface of the side wall of the metal heating outer casing is printed with a side wall thick film heating element, and the movable cover a cover thick film heating element is printed at an intermediate position of the lower surface of the body;
该新式电饭锅电加热装置还包括有与外部电源电连接的控制器，金属发热外胆的下表面装设有与金属发热外胆接触的温度传感器，底面厚膜发热体、侧壁厚膜发热体、盖体厚膜发热体、温度传感器分别与控制器电连接；The new rice cooker electric heating device further comprises a controller electrically connected to the external power source, the lower surface of the metal heating outer casing is provided with a temperature sensor in contact with the metal heating outer casing, the bottom surface thick film heating body and the side wall thick film The heating element, the cover thick film heating element, and the temperature sensor are respectively electrically connected to the controller;
金属发热外胆的外胆容置腔内嵌装有受热内胆，受热内胆的内部成型有开口朝上的食物加热腔室，受热内胆的下表面与外胆容置腔的底面间隔布置，受热内胆的侧壁外表面与外胆容置腔的侧壁间隔布置。The outer casing of the metal heating outer casing is embedded with a heated inner tank, and the inner surface of the heated inner casing is formed with a food heating chamber with an opening upward, and the lower surface of the heated inner casing is spaced apart from the bottom surface of the outer casing of the outer casing. The outer surface of the side wall of the heated bladder is spaced from the side wall of the outer casing of the outer casing.
其中，所述侧壁厚膜发热体呈圆环形状且为一环形连续的环状厚膜发热体，环状厚膜发热体与所述控制器电连接。Wherein, the sidewall thick film heating element has a circular ring shape and is an annular continuous annular thick film heating element, and the annular thick film heating element is electrically connected to the controller.
其中，所述侧壁厚膜发热体包括有呈圆周环状均匀间隔分布的厚膜发热体单体，各厚膜发热体单体分别与控制器电连接。The sidewall thick film heating element includes a thick film heating element unit uniformly distributed in a circumferential ring shape, and each of the thick film heating element units is electrically connected to the controller.
其中，所述底面厚膜发热体呈圆环形状，所述温度传感器装设于底面厚膜发热体的中心位置。The bottom surface thick film heating element has a circular ring shape, and the temperature sensor is installed at a center position of the bottom surface thick film heating element.
其中，所述盖体厚膜发热体呈圆环形状。Wherein, the cover thick film heating element has a circular ring shape.
其中，所述受热内胆为陶瓷内胆、金属内胆或者塑料内胆。Wherein, the heated inner tank is a ceramic inner tank, a metal inner tank or a plastic inner tank.
其中，所述受热内胆的上端边缘部设置有径向朝外凸出延伸且呈圆环形状的内胆挡肩，所述外胆容置腔侧壁的上端部对应内胆挡肩设置有外胆挡肩，内胆挡肩搭放于外胆挡肩的上表面。Wherein, the upper end edge portion of the heated inner liner is provided with a bladder shoulder extending radially outwardly and having a ring shape, and the upper end portion of the side wall of the outer casing receiving cavity is provided corresponding to the inner bladder shoulder The outer bladder shoulder is placed on the upper surface of the outer shoulder of the outer bladder.
本发明的有益效果为：本发明所述的一种电饭锅对流传导式电加热装置，其金属发热外胆的外胆容置腔内嵌装受热内胆，金属发热外胆上端侧于外胆容置腔上端开口处装设活动盖体，金属发热外胆下表面印刷底面厚膜发热体，金属发热外胆的侧壁外表面印刷侧壁厚膜发热体，活动盖体下表面的中间位置印刷盖体厚膜发热体；该新式电饭锅电加热装置还包括控制器，金属发热外胆下表面装设温度传感器，底面厚膜发热体、侧壁厚膜发热体、盖体厚膜发热体、温度传感器分别与控制器电连接；受热内胆内部成型食物加热腔室，受热内胆下表面与外胆容置腔底面间隔布置，受热内胆的侧壁外表面与外胆容置腔的侧壁间隔布置。通过上述结构设计，本发明采用安全无辐射的环绕立体厚膜加热方式来对食物进行加热烹煮，且能够有效地保证食物充分均匀受热；故而，本发明具有结构设计新颖、安全性高、加热效果好的优点。The utility model has the beneficial effects that the electric current convection conduction type electric heating device of the invention has a heating inner liner embedded in the outer casing of the metal heating outer casing, and the upper end of the metal heating outer casing is externally A movable cover body is arranged at the upper end of the bile chamber, a thick film heating element is printed on the lower surface of the metal heating outer surface, and a side wall thick film heating element is printed on the outer surface of the side wall of the metal heating outer shell, and the middle surface of the lower surface of the movable cover body is printed. Position printing cover thick film heating element; the new rice cooker electric heating device further comprises a controller, a temperature sensor on the lower surface of the metal heating outer casing, a thick film heating element on the bottom surface, a thick film heating element on the bottom surface, and a thick film on the cover body The heating body and the temperature sensor are respectively electrically connected to the controller; the heating inner chamber is formed by the food heating chamber, and the lower surface of the heated inner tank is spaced apart from the bottom surface of the outer casing of the outer casing, and the outer surface of the side wall of the heated inner tank is accommodated with the outer casing. The sidewalls of the cavity are spaced apart. Through the above structural design, the invention adopts a safe and radiation-free surrounding three-dimensional thick film heating method to heat and cook the food, and can effectively ensure that the food is fully uniformly heated; therefore, the invention has novel structural design, high safety and heating. Good results.
附图说明DRAWINGS
下面利用附图来对本发明进行进一步的说明，但是附图中的实施例不构成对本发明的任何限制。The invention is further illustrated by the following figures, but the examples in the drawings do not constitute any limitation of the invention.
图1为本发明的结构示意图。Figure 1 is a schematic view of the structure of the present invention.
在图1中包括有：Included in Figure 1 are:
1——金属发热外胆 11——外胆容置腔1——Metal heating shell 11——Front housing cavity
12——外胆挡肩 2——活动盖体 12——Outer shoulder 2 - movable cover
31——底面厚膜发热体 32——侧壁厚膜发热体 31——Bottom thick film heating element 32——side wall thick film heating element
33——盖体厚膜发热体 4——控制器 33——Cover body thick film heating element 4——Controller
5——温度传感器 6——受热内胆 5——Temperature sensor 6——heated liner
61——食物加热腔室 62——内胆挡肩。61 - food heating chamber 62 - liner shoulder.
具体实施方式detailed description
下面结合具体的实施方式来对本发明进行说明。The invention will now be described in connection with specific embodiments.
如图1所示，一种电饭锅对流传导式电加热装置，包括金属发热外胆1，金属发热外胆1的内部成型有开口朝上的外胆容置腔11，金属发热外胆1的上端侧于外胆容置腔11的上端开口处可相对开合地装设有活动盖体2，金属发热外胆1的下表面印刷有底面厚膜发热体31，金属发热外胆1的侧壁外表面印刷有侧壁厚膜发热体32，活动盖体2下表面的中间位置印刷有盖体厚膜发热体33。As shown in FIG. 1 , a rice cooker convection conduction electric heating device comprises a metal heating outer casing 1 , and a metal heating outer casing 1 is internally formed with an opening facing upward outer casing accommodating cavity 11 , and a metal heating outer casing 1 The upper end side of the upper end opening of the outer casing accommodating chamber 11 is movably mounted with a movable cover 2, and the lower surface of the metal heating outer casing 1 is printed with a bottom surface thick film heating element 31, and the metal heating outer casing 1 A sidewall thick film heating element 32 is printed on the outer surface of the side wall, and a cover thick film heating element 33 is printed at an intermediate position on the lower surface of the movable cover 2.
进一步的，该新式电饭锅电加热装置还包括有与外部电源电连接的控制器4，金属发热外胆1的下表面装设有与金属发热外胆1接触的温度传感器5，底面厚膜发热体31、侧壁厚膜发热体32、盖体厚膜发热体33、温度传感器5分别与控制器4电连接。Further, the new rice cooker electric heating device further includes a controller 4 electrically connected to the external power source, and the lower surface of the metal heating outer casing 1 is provided with a temperature sensor 5 in contact with the metal heating outer casing 1, and the bottom surface thick film The heating element 31, the side wall thick film heating element 32, the lid thick film heating element 33, and the temperature sensor 5 are electrically connected to the controller 4, respectively.
更进一步的，金属发热外胆1的外胆容置腔11内嵌装有受热内胆6，受热内胆6的内部成型有开口朝上的食物加热腔室61，受热内胆6的下表面与外胆容置腔11的底面间隔布置，受热内胆6的侧壁外表面与外胆容置腔11的侧壁间隔布置。其中，本发明的受热内胆6采用耐高温材料制备而成，例如陶瓷、金属或者耐高温塑料等制备而成，即本发明的受热内胆6为陶瓷内胆、金属内胆或者塑料内胆；当然，上述材料并不构成对本发明的限制，即本发明的受热内胆6还可以采用其他的耐高温材料制备而成。Further, the outer casing plenum 11 of the metal heating outer casing 1 is embedded with a heated inner casing 6, and the inner surface of the heated inner lining 6 is formed with a food heating chamber 61 having an opening upward, and the lower surface of the heated inner lining 6. Arranged spaced from the bottom surface of the outer casing accommodating chamber 11, the outer surface of the side wall of the heated inner casing 6 is spaced apart from the side wall of the outer casing accommodating chamber 11. Wherein, the heated inner liner 6 of the present invention is prepared by using a high temperature resistant material, such as ceramic, metal or high temperature resistant plastic, etc., that is, the heated inner liner 6 of the present invention is a ceramic inner liner, a metal inner liner or a plastic inner liner. Of course, the above materials do not constitute a limitation of the present invention, that is, the heated inner liner 6 of the present invention can also be prepared by using other high temperature resistant materials.
需进一步指出，本发明的侧壁厚膜发热体32可以采用以下两种结构形式，具体为：1、侧壁厚膜发热体32呈圆环形状且为一环形连续的环状厚膜发热体；2、侧壁厚膜发热体32包括有呈圆周环状均匀间隔分布的厚膜发热体单体，各厚膜发热体单体分别与控制器4电连接。It should be further noted that the sidewall thick film heating element 32 of the present invention can adopt the following two structural forms, specifically: 1. The sidewall thick film heating element 32 has a circular ring shape and is a circular continuous annular thick film heating element. 2. The sidewall thick film heating element 32 includes a thick film heating element unit uniformly distributed in a circumferential ring shape, and each thick film heating element unit is electrically connected to the controller 4, respectively.
需进一步解释，底面厚膜发热体31呈圆环形状，温度传感器5装设于底面厚膜发热体31的中心位置；另外，盖体厚膜发热体33呈圆环形状。然而，对于上述底面厚膜发热体31、盖体厚膜发热体33的形状设计并不构成对本发明的限制，即本发明的底面厚膜发热体31、盖体厚膜发热体33还可以采用其他的形状设计。It is to be further explained that the bottom thick film heating element 31 has a circular ring shape, the temperature sensor 5 is installed at the center of the bottom surface thick film heating element 31, and the lid thick film heating element 33 has an annular shape. However, the shape design of the bottom thick film heating element 31 and the cover thick film heating element 33 does not limit the present invention, that is, the bottom thick film heating element 31 and the cover thick film heating element 33 of the present invention can also be used. Other shapes are designed.
本发明的底面厚膜发热体31、侧壁厚膜发热体32以及盖体厚膜发热体33分别由厚膜电阻浆料制备而成，在本发明生产制备过程中，厚膜电阻浆料印刷于金属发热外胆1的底面并形成底面厚膜发热体31，厚膜电阻浆料印刷于金属发热外胆1的侧壁并形成侧壁厚膜发热体32，厚膜电阻浆料印刷于活动盖体2的下表面并形成盖体厚膜发热体33。其中，对于厚膜电阻浆料而言，在通电的情况下，其可以有效地将电能直接转化成热能，且厚膜电阻浆料在加热时不会产生电磁辐射，即不会对使用者造成电磁辐射伤害，安全性高。The bottom surface thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 of the present invention are respectively prepared from a thick film resistor paste, and are printed in a thick film resistor paste during the production and preparation process of the present invention. The bottom surface thick film heating element 31 is formed on the bottom surface of the metal heating outer casing 1, and the thick film resistor paste is printed on the side wall of the metal heating outer casing 1 to form a side wall thick film heating element 32, and the thick film resistor paste is printed on the activity. A cover thick film heating element 33 is formed on the lower surface of the lid 2. Among them, for thick film resistor paste, in the case of energization, it can effectively convert electric energy directly into heat energy, and the thick film resistor paste does not generate electromagnetic radiation when heated, that is, it does not cause damage to the user. Electromagnetic radiation damage, high security.
在利用本发明进行食物烹煮过程中，食物直接放置于受热内胆6的食物加热腔室61内，控制器4与外部电源电连接且控制器4为底面厚膜发热体31、侧壁厚膜发热体32、盖体厚膜发热体33通电，通电后的底面厚膜发热体31、侧壁厚膜发热体32、盖体厚膜发热体33产生热量且热量直接经由金属发热外胆1而传导至外胆容置腔11内空气中，传导至空气中的热量再传导至受热内胆6以实现对食物进行加热烹煮。需进一步指出，在本发明工作过程中，底面厚膜发热体31、侧壁厚膜发热体32、盖体厚膜发热体33同步工作，且本发明通过对流传导方式（即热辐射传导方式）来实现对受热内胆6进行加热，该环绕立体加热方式能够实现360度全方位加热，即能够有效地保证食物充分均匀受热。In the food cooking process using the present invention, the food is directly placed in the food heating chamber 61 of the heated bladder 6, the controller 4 is electrically connected to the external power source, and the controller 4 is a bottom thick film heating body 31, and the side wall is thick. The film heating element 32 and the lid thick film heating element 33 are energized, and the bottom surface thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 generate heat and heat directly passes through the metal heating outer casing 1 The heat is transmitted to the air in the outer casing 11 and the heat conducted to the air is transmitted to the heated bladder 6 to heat the food. It should be further noted that during the working process of the present invention, the bottom thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 work synchronously, and the present invention adopts a convection conduction mode (ie, thermal radiation conduction mode). In order to realize heating of the heated inner tank 6, the surrounding three-dimensional heating method can realize 360-degree all-round heating, that is, can effectively ensure that the food is sufficiently uniformly heated.
另外，在本发明工作过程中，控制器4根据使用者的按键指令分别给底面厚膜发热体31、侧壁厚膜发热体32、盖体厚膜发热体33一定的功率来产生热量，在此过程中，温度传感器5实时采集金属发热外胆1的温度信号并实时将温度信号发送至控制器4；故而，在通过底面厚膜发热体31、侧壁厚膜发热体32、盖体厚膜发热体33对金属发热外胆1进行加热的过程中，控制器4可以根据实际温度情况来调整底面厚膜发热体31、侧壁厚膜发热体32以及盖体厚膜发热体33的功率，以使得加热的食物达到使用者的要求。In addition, during the operation of the present invention, the controller 4 generates heat according to the user's key command to the bottom thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 to generate heat. In this process, the temperature sensor 5 collects the temperature signal of the metal heating outer casing 1 in real time and transmits the temperature signal to the controller 4 in real time; therefore, the thick film heating element 31, the side wall thick film heating element 32, and the cover body are thick through the bottom surface. In the process of heating the metal heating element 1 by the film heating element 33, the controller 4 can adjust the power of the bottom surface thick film heating element 31, the side wall thick film heating element 32, and the cover thick film heating element 33 according to the actual temperature. So that the heated food meets the user's requirements.
综合上述情况可知，通过上述结构设计，本发明采用安全无辐射的环绕立体厚膜加热方式来对食物进行加热烹煮，且能够有效地保证食物充分均匀受热；故而，本发明具有结构设计新颖、安全性高、加热效果好的优点。In view of the above situation, the present invention adopts the above-mentioned structural design, the invention adopts a safe and radiation-free surrounding three-dimensional thick film heating method to heat and cook the food, and can effectively ensure that the food is fully uniformly heated; therefore, the invention has novel structural design, High safety and good heating effect.
作为优选的实施方式，如图1所示，为保证受热内胆6悬空于外胆容置腔11内，本发明可以采用下述结构设计，具体为：受热内胆6的上端边缘部设置有径向朝外凸出延伸且呈圆环形状的内胆挡肩62，外胆容置腔11侧壁的上端部对应内胆挡肩62设置有外胆挡肩12，内胆挡肩62搭放于外胆挡肩12的上表面。当然，上述悬空结构设计并不构成对本发明的限制，本发明还可以镂空金属支架的方式来支撑受热内胆6，以保证受热内胆6悬空。As a preferred embodiment, as shown in FIG. 1 , in order to ensure that the heated inner liner 6 is suspended in the outer casing accommodating chamber 11 , the present invention may adopt the following structural design, specifically: the upper end portion of the heated inner liner 6 is provided with The inner side of the outer wall of the outer casing accommodating chamber 11 is provided with a bladder shoulder 12, and the inner shoulder 62 is provided. Placed on the upper surface of the outer shoulder 12. Of course, the above-mentioned suspended structure design does not constitute a limitation of the present invention, and the present invention can also support the heated inner liner 6 in a manner of hollowing out the metal bracket to ensure that the heated inner liner 6 is suspended.
以上内容仅为本发明的较佳实施例，对于本领域的普通技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，本说明书内容不应理解为对本发明的限制。The above content is only a preferred embodiment of the present invention, and those skilled in the art will have a change in the specific embodiment and application scope according to the idea of the present invention. The content of the present specification should not be construed as the present invention. limits.

Claims (7)

  1. 一种电饭锅对流传导式电加热装置，其特征在于：包括金属发热外胆（1），金属发热外胆（1）的内部成型有开口朝上的外胆容置腔（11），金属发热外胆（1）的上端侧于外胆容置腔（11）的上端开口处可相对开合地装设有活动盖体（2），金属发热外胆（1）的下表面印刷有底面厚膜发热体（31），金属发热外胆（1）的侧壁外表面印刷有侧壁厚膜发热体（32），活动盖体（2）下表面的中间位置印刷有盖体厚膜发热体（33）； The utility model relates to a convection conduction electric heating device for a rice cooker, which comprises a metal heating outer casing (1), and a metal heating outer casing (1) is internally formed with an outer casing accommodating cavity (11) with an opening upward, metal The upper end side of the heat generating outer casing (1) is provided with a movable cover body (2) opposite to the opening of the upper end of the outer casing receiving chamber (11), and the lower surface of the metal heating outer casing (1) is printed with a bottom surface. The thick film heating element (31) and the outer surface of the side wall of the metal heating outer casing (1) are printed with a side wall thick film heating element (32), and a cover film thick film is printed at an intermediate position on the lower surface of the movable cover body (2). Body (33);
    该新式电饭锅电加热装置还包括有与外部电源电连接的控制器（4），金属发热外胆（1）的下表面装设有与金属发热外胆（1）接触的温度传感器（5），底面厚膜发热体（31）、侧壁厚膜发热体（32）、盖体厚膜发热体（33）、温度传感器（5）分别与控制器（4）电连接；The new rice cooker electric heating device further comprises a controller (4) electrically connected to the external power source, and the lower surface of the metal heating outer casing (1) is provided with a temperature sensor in contact with the metal heating outer casing (1) (5) a bottom thick film heating element (31), a side wall thick film heating element (32), a cover thick film heating element (33), and a temperature sensor (5) are electrically connected to the controller (4);
    金属发热外胆（1）的外胆容置腔（11）内嵌装有受热内胆（6），受热内胆（6）的内部成型有开口朝上的食物加热腔室（61），受热内胆（6）的下表面与外胆容置腔（11）的底面间隔布置，受热内胆（6）的侧壁外表面与外胆容置腔（11）的侧壁间隔布置。 The outer casing (11) of the metal heating outer casing (1) is embedded with a heated inner casing (6), and the heated inner casing (6) is internally formed with a food heating chamber (61) with an opening upward, and is heated. The lower surface of the inner liner (6) is spaced apart from the bottom surface of the outer casing receiving chamber (11), and the outer surface of the side wall of the heated inner casing (6) is spaced from the side wall of the outer casing receiving chamber (11).
  2. 根据权利要求1所述的一种电饭锅对流传导式电加热装置，其特征在于：所述侧壁厚膜发热体（32）呈圆环形状且为一环形连续的环状厚膜发热体，环状厚膜发热体与所述控制器（4）电连接。The convection-conducting electric heating device for a rice cooker according to claim 1, wherein the side wall thick film heating element (32) has a circular ring shape and is a circular continuous annular thick film heating element. The annular thick film heating element is electrically connected to the controller (4).
  3. 根据权利要求1所述的一种电饭锅对流传导式电加热装置，其特征在于：所述侧壁厚膜发热体（32）包括有呈圆周环状均匀间隔分布的厚膜发热体单体，各厚膜发热体单体分别与控制器（4）电连接。A convection-conducting electric heating device for a rice cooker according to claim 1, wherein said side wall thick film heating element (32) comprises a thick film heating element which is uniformly spaced apart in a circumferential ring shape. Each of the thick film heating element monomers is electrically connected to the controller (4).
  4. 根据权利要求1所述的一种电饭锅对流传导式电加热装置，其特征在于：所述底面厚膜发热体（31）呈圆环形状，所述温度传感器（5）装设于底面厚膜发热体（31）的中心位置。A convection-conducting electric heating device for a rice cooker according to claim 1, wherein said bottom thick film heating element (31) has a circular ring shape, and said temperature sensor (5) is mounted on a bottom surface thick The center position of the film heating element (31).
  5. 根据权利要求1所述的一种电饭锅对流传导式电加热装置，其特征在于：所述盖体厚膜发热体（33）呈圆环形状。The electric rice cooker convection conduction type electric heating device according to claim 1, wherein the cover thick film heating element (33) has a circular ring shape.
  6. 根据权利要求1所述的一种电饭锅对流传导式电加热装置，其特征在于：所述受热内胆（6）为陶瓷内胆、金属内胆或者塑料内胆。The electric rice cooker convection conduction type electric heating device according to claim 1, characterized in that the heated inner tank (6) is a ceramic inner tank, a metal inner tank or a plastic inner tank.
  7. 根据权利要求1所述的一种电饭锅对流传导式电加热装置，其特征在于：所述受热内胆（6）的上端边缘部设置有径向朝外凸出延伸且呈圆环形状的内胆挡肩（62），所述外胆容置腔（11）侧壁的上端部对应内胆挡肩（62）设置有外胆挡肩（12），内胆挡肩（62）搭放于外胆挡肩（12）的上表面。A convection-conducting electric heating device for a rice cooker according to claim 1, wherein the upper end edge portion of the heated inner casing (6) is provided with a radially outwardly extending convex shape and a ring shape. a liner shoulder (62), an upper end portion of the side wall of the outer casing accommodating chamber (11) is provided with a bladder shoulder (12) corresponding to the inner bladder shoulder (62), and the inner bladder shoulder (62) is placed On the upper surface of the outer shoulder (12).
PCT/CN2016/113629 2016-10-14 2016-12-30 Convection conduction type electrical heating device for electric cooker WO2018068425A1 (en)

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