CN212307532U

CN212307532U - Cooking utensil

Info

Publication number: CN212307532U
Application number: CN202020240913.1U
Authority: CN
Inventors: 张红乐; 汪艳强
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2021-01-08
Anticipated expiration: 2030-03-02

Abstract

The utility model provides a cooking utensil, which comprises a cooker body and a cover body; the cooker body is provided with an inner pot, a main heating element arranged on the lower side of the inner pot and a side heating element arranged on the peripheral side of the inner pot; the cover body is arranged on the cooker body in an openable and closable manner, when the cover body covers the cooker body, a cooking space is formed between the cover body and the inner pot, and the cover body is internally provided with an upper heating element; wherein, when the cooking utensil is in the state of keeping warm, the main heating element is electrically connected to the side heating element and the upper heating element, and the upper heating element and the side heating element are connected in parallel and then connected in series with the main heating element, and the voltage ratio between the main heating element and the upper heating element is 0.05-0.25. According to the utility model discloses a cooking utensil does not need independent temperature control device and is used for fixed temperature control device's installing support etc. can reduction in production cost to can make the comdenstion water among the cooking space keep at relative within range or do not have the comdenstion water, with the taste that improves food.

Description

Cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to cooking utensil.

Background

Known cooking appliances generally comprise a bottom heating element, side heating elements and an upper heating element in order to be able to reach the purpose of heating and keeping warm. A temperature control device corresponding to the temperature point is arranged among the bottom heating element, the side heating element and the upper heating element so as to control the heating state and the heat preservation state of the cooking utensil through the temperature control device. Therefore, the existing cooking utensil has more parts, so that the assembly process is more complicated, and the production cost is higher.

Therefore, there is a need to provide a cooking appliance to at least partially solve the above problems.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

To solve the above problem at least in part, the present invention provides a cooking appliance, which includes:

a pot body in which an inner pot, a main heating element disposed at a lower side of the inner pot, and a side heating element disposed at an outer circumferential side of the inner pot are disposed;

a cover body which is arranged on the cooker body in an openable and closable manner, a cooking space is formed between the cover body and the inner pot when the cover body is covered on the cooker body, an upper heating element is arranged in the cover body,

wherein, when the cooking appliance is in a keep warm state, the main heating element is electrically connected to the side heating element and the upper heating element, and the upper heating element and the side heating element are connected in parallel and then connected in series with the main heating element, and a voltage ratio between the main heating element and the upper heating element is 0.05 to 0.25.

According to the utility model discloses a cooking utensil, when cooking utensil is in the heat preservation state, go up heating element and side heating element and establish ties with main heating element after parallelly connected to make the voltage ratio between main heating element and the last heating element be 0.05 to 0.25, consequently do not need independent temperature control device and be used for fixed temperature control device's installing support etc. can reduce manufacturing cost, and can make the comdenstion water among the cooking space keep at relative within range or no comdenstion water, can also satisfy the taste that keeps warm the effect and improve food.

Optionally, a heat preservation cover is arranged in the cooker body, the inner pot and the main heating element are arranged on the inner side of the heat preservation cover, and the side heating element is arranged on the outer side of the heat preservation cover.

According to the scheme, the positions of the main heating element and the side heating element can be reasonably arranged, and the main heating element and the side heating element can be installed on the heat preservation cover.

Optionally, the heat-retaining cover includes a bottom wall and a side wall extending upward from an outer peripheral edge of the bottom wall, the main heating element is disposed on an upper side of the bottom wall, and the side heating element is disposed on a circumferential outer side of the side wall.

According to this scheme, the simple structure of cover keeps warm to can install main heating element on the diapire, side heating element installs on the lateral wall.

Optionally, the spacing between the side heating elements and the upper surface of the insulating cover is greater than or equal to 10mm, and/or

The distance between the side heating element and the lower surface of the heat preservation cover is larger than or equal to 25 mm.

According to this scheme, can set up the cover that keeps warm in comparatively reasonable position department for it is better to keep warm the effect.

Optionally, the primary heating element is mounted to the heat retention cover by fasteners, and/or

The side heating element is bonded to the heat retention shield.

According to the scheme, the installation process of the main heating element and the side heating element is simple, and the production cost can be reduced.

Optionally, the cover body comprises a heat insulation plate located at the bottom, and the upper heating element is arranged on the upper side of the heat insulation plate and located right above the inner pot.

According to this scheme, go up heating element can install on the heated board.

Optionally, the upper heating element is bonded to the insulation board.

According to the scheme, the mounting process of the upper heating element is simple, and the production cost can be reduced.

Optionally, the cover further comprises an upper cover assembly disposed on an upper side of the upper heating element and the insulation board.

According to the scheme, the upper cover assembly can cover the upper sides of the upper heating element and the insulation board so as to protect the upper heating element and the insulation board.

Optionally, the cooking appliance further comprises a temperature limiter disposed on an underside of the inner pan, the main heating element having a mounting hole disposed thereon, the temperature limiter extending through the mounting hole and being mounted to the main heating element.

According to this scheme, through setting up the temperature limiter, can in time adjust cooking utensil's operating condition.

Optionally, the cooking appliance further comprises a micro switch connected to the temperature limiter and electrically connected to the main heating element when the cooking appliance is in a heating state and electrically connected to the main heating element, the upper heating element and the side heating element when the cooking appliance is in a keep warm state.

According to this scheme, through setting up micro-gap switch to be connected to the temperature limiter with micro-gap switch, the temperature limiter can act on micro-gap switch, makes micro-gap switch can control main heating element, go up heating element and side heating element's break-make electricity state under the operating condition of difference.

Drawings

The following drawings of the embodiments of the present invention are provided as a part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is a schematic cross-sectional view of a cooking appliance according to a preferred embodiment of the present invention; and

fig. 2 is a schematic circuit diagram of the cooking appliance of fig. 1.

Description of reference numerals:

100: cooking utensil

110: pot body

120: cover body

130: inner pot

140: main heating element

141: mounting hole

150: side heating element

160: upper heating element

170: heat insulation cover

171: bottom wall

172: side wall

121: heat insulation board

122: upper cover assembly

180: temperature limiter

190: micro-switch

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art.

The utility model provides a cooking utensil. According to the utility model discloses a cooking utensil can be for electric rice cooker, electric pressure cooker or other cooking utensil, and cooking utensil except having the function of cooking rice, can also have various functions such as cooking congee, a kind of deep pot hot water.

A cooking appliance according to the present invention will be described in detail with reference to fig. 1 to 2.

As shown in fig. 1, the cooking utensil generally includes a pot body 110 and a lid 120, and the lid 120 is openably and closably disposed on the pot body 110. The inner pot 130 is provided in the pot body 110, and when the lid 120 is closed on the pot body 110, a cooking space may be formed between the lid 120 and the inner pot 130. The pot body 110 is substantially in a rounded rectangular parallelepiped shape, and has a cylindrical-shaped receiving portion. The inner pot 130 may be configured to be freely put into or taken out of the receiving part to facilitate the cleaning of the inner pot 130, or configured to be fixed in the pot body 110 so as not to be taken out of the pot body 110. The inner pot 130 is generally made of a metal material for containing a material to be heated, such as rice, soup, etc.

The pot body 110 is provided therein with a main heating element 140 and a side heating element 150, the main heating element 140 being disposed at a lower side of the inner pot 130, and the side heating element 150 being disposed at an outer peripheral side of the inner pot 130. An upper heating element 160 is provided in the cover. In the present embodiment, the main heating element 140, the side heating element 150, and the upper heating element 160 are all electric heating elements, which may include a heating wire or the like.

As shown in fig. 2, when the cooking appliance is in the keep warm state, the main heating element 140 is electrically connected to the side heating element 150 and the upper heating element 160, and the upper heating element 160 and the side heating element 150 are connected in parallel and then connected in series with the main heating element 140, in the present embodiment, the voltage ratio between the main heating element 140 and the upper heating element 160 is 0.05 to 0.25. It can be understood that since the main heating element 140 and the side heating element 150 are connected in parallel, the voltage ratio between the side heating element 150 and the upper heating element 160 is also 0.05 to 0.25. Therefore, an independent temperature control device, a mounting bracket for fixing the temperature control device and the like are not required, and the production cost can be reduced.

Referring back to fig. 1, the pot body 110 is provided therein with a heat-retaining cover 170, the inner pot 130 and the main heating element 140 are disposed inside the heat-retaining cover 170, and the side heating element 150 is disposed outside the heat-retaining cover 170. The main heating element 140 may be mounted to the heat retaining cover 170 by fasteners and the side heating element 150 may be adhered to the heat retaining cover 170, for example the side heating element 150 may be adhered to the heat retaining cover 170 by a back adhesive.

Specifically, the heat retaining cover 170 may include a bottom wall 171 and a side wall 172 extending upward from an outer peripheral edge of the bottom wall 171, the main heating element 140 being disposed on an upper side of the bottom wall 171, and the side heating elements 150 being disposed on a circumferential outer side of the side wall 172. Preferably, the interval between the side heating element 150 and the upper surface of the heat-retaining cover 170 (specifically, the upper surface of the side wall 172) is greater than or equal to 10mm, and the interval between the side heating element 150 and the lower surface of the heat-retaining cover 170 (specifically, the lower surface of the bottom wall 171) is greater than or equal to 25 mm.

The cover 120 includes an insulation board 121 at the bottom, and the upper heating element 160 may be disposed on the upper side of the insulation board 121 and directly above the inner pan 130. Specifically, the upper heating element 160 is adhered to the insulation board 121, for example, the upper heating element 160 may be adhered to the insulation board 121 by a back adhesive. The cover further includes a cover assembly 122, and the cover assembly 122 is disposed on the upper side of the upper heating element 160 and the insulation board 121.

As shown in fig. 1 and 2, the cooking appliance 100 further includes a micro switch 190 and a temperature limiter 180 disposed at an underside of the inner pot 130. The main heating element 140 is provided with a mounting hole 141, and the mounting hole 141 is a circular through hole. The temperature limiter 180 extends through the mounting hole 141 and is mounted to the main heating element 140. The micro switch 190 is connected to the temperature limiter 180, and the micro switch 190 is electrically connected to the main heating element 140 when the cooking appliance 100 is in a heating state, and the micro switch 190 is electrically connected to the main heating element 140, the upper heating element 160, and the side heating element 150 when the cooking appliance 100 is in a keep warm state.

In this embodiment, in the heating process of the cooking utensil 100, after the rice in the inner pot is heated to a predetermined cooked state, the temperature limiter 180 is linked to the microswitch 190, the temperature limiter 180 can act on the microswitch 190, so that the cooking utensil 100 enters a heat preservation state, the upper heating element 160 and the side heating element 150 are connected in parallel and shunted and then connected in series to the main heating element 140, and the three generate heat after working according to the respective voltage proportion, so that the inside of the inner pot 130 gradually forms a heat preservation state entering heat balance, so that a long-time heat preservation effect without a special temperature control device can be realized, the problem that the cover body 120 generates condensed water when the rice is kept warm is solved, and the phenomenon that the surface of the rice is dry and yellow after heat preservation is avoided.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims

1. A cooking appliance, characterized in that the cooking appliance (100) comprises:

a pot body (110) in which an inner pot (130) and a main heating element (140) provided at a lower side of the inner pot and a side heating element (150) provided at an outer circumferential side of the inner pot are provided;

a cover body (120) which is arranged on the cooker body in an openable and closable manner, a cooking space is formed between the cover body and the inner pot when the cover body is covered on the cooker body, an upper heating element (160) is arranged in the cover body,

2. The cooking appliance of claim 1, wherein a heat retaining cover (170) is disposed in the pot body, the inner pot and the main heating element being disposed inside the heat retaining cover, and the side heating element being disposed outside the heat retaining cover.

3. The cooking appliance according to claim 2, wherein the heat retaining cover includes a bottom wall (171) and a side wall (172) extending upward from a peripheral edge of the bottom wall, the main heating element being disposed on an upper side of the bottom wall, and the side heating element being disposed on a circumferential outer side of the side wall.

4. The cooking appliance of claim 2,

the distance between the side heating element and the upper surface of the heat-insulating cover is greater than or equal to 10mm, and/or

5. The cooking appliance of claim 2,

the main heating element is mounted to the heat retaining cover by fasteners, and/or

The side heating element is bonded to the heat retention shield.

6. The cooking appliance of claim 1, wherein the cover includes a heat insulation plate (121) at the bottom, and the upper heating element is disposed on an upper side of the heat insulation plate and directly above the inner pan.

7. The cooking appliance of claim 6, wherein the upper heating element is adhered to the insulation board.

8. The cooking appliance of claim 6, wherein the cover further comprises an upper cover assembly (122) disposed on an upper side of the upper heating element and the insulation board.

9. The cooking appliance of claim 1, further comprising a temperature limiter (180) disposed on an underside of the inner pan, the main heating element having a mounting hole disposed thereon, the temperature limiter extending through the mounting hole and being mounted to the main heating element.

10. The cooking appliance of claim 9, further comprising a micro switch (190) connected to the temperature limiter and electrically connected to the main heating element when the cooking appliance is in a heating state and electrically connected to the main heating element, the upper heating element, and the side heating element when the cooking appliance is in a keep warm state.