CN209899157U

CN209899157U - Heating device of electric cooking utensil

Info

Publication number: CN209899157U
Application number: CN201920377558.XU
Authority: CN
Inventors: 黎进荣
Original assignee: Foshan Shunde Youth Intelligent Equipment Co Ltd
Current assignee: Foshan Shunde Youth Intelligent Equipment Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-01-07
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a heating device of electric cooking utensil, including heat storage layer, be equipped with the heater of continuous circuitous in the heat storage layer, the outside cladding of heat storage layer has the heat conduction shell, the wiring end of heater stretches out from the bottom of heat conduction shell, is equipped with on the wiring end of heater or the heat conduction shell and prevents that water from getting into the inside waterproof construction of heating device, waterproof construction is including setting up a plurality of convex parts in heat conduction shell bottom, the convex part makes the wiring end of heating device and heater unsettled. The utility model discloses a set up waterproof construction, can effectively avoid water direct and heating device contact, inside avoiding water to get into heating device, prevent the emergence of electric leakage.

Description

Heating device of electric cooking utensil

Technical Field

The utility model relates to a heating device field specifically is a heating device suitable for electric cooking utensil.

Background

Chinese patent document No. CN101664278B discloses a method for manufacturing an electric heating plate, which is characterized in that: the process comprises the following steps: 1): the weight parts are as follows: high-alumina cement: 2.5-4 parts of high-aluminum fire clay: 3.5-5 parts of high-aluminum aggregate: 1-2 parts of a material with a particle size of: 1-2 parts of 200-400-mesh quartz sand, uniformly mixing, and adding a proper amount of water to form paste; 2): pressing the material obtained in the step 1) into a heating plate by adopting a press machine, and naturally airing the heating plate until the material is solidified; 3): the weight parts are as follows: high-aluminum fire clay: 3.5-5 parts of a material with the granularity: 1-2 parts of 200-400-mesh quartz sand, uniformly mixing, and adding a proper amount of water to form paste; 4): adding a proper amount of the material obtained in the step 3) after the heating wire is placed in the heating plate, so that the heating wire is completely covered; 5): the weight parts are as follows: high-alumina cement: 2.5-4 parts of temperature-resistant mud: 2-3 parts of a material with a granularity of: 2.5-4 parts of river sand of 200-400 meshes, uniformly mixing, and adding a proper amount of water to form paste; 6): covering the material obtained in the step 5) on the surface of the heating plate obtained in the step 4) to enable the surface of the heating plate to be flat; 7): naturally airing the heating plate obtained in the step 6) until the heating plate is solidified.

The electric heating plate is provided with a heat storage insulating layer made of a soil material, the electric heating is applied to electric cooking utensils such as an electric rice cooker, an electric stewpot, a slow cooker and the like, the electric heating plate is in contact with the inner bottom surface of a pot liner due to the structural characteristic, condensed water or other dripping water is difficult to fall into the pot liner in practical use, water can accumulate at the inner bottom surface of the pot liner and seep into the electric heating plate from gaps of the electric heating plate or a terminal of the electric heating plate, and after the heat storage insulating layer made of the soil material is in contact with the water, the electric heating plate is easy to be electrified to generate an electric leakage phenomenon, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heating device of electric cooking utensil, it can avoid inside water gets into heating device, prevents the electric leakage to solve the weak point among the prior art.

According to the heating device of this purpose design's an electricity culinary art kitchen utensils and appliances, including heat storage layer, be equipped with the heater of circuitous in succession in the heat storage layer, the outside cladding of heat storage layer has the heat conduction shell, the wiring end of heater stretches out from the bottom of heat conduction shell, is equipped with on the wiring end of heater or the heat conduction shell and prevents that water from getting into the inside waterproof construction of heating device, waterproof construction is including setting up a plurality of convex parts in heat conduction shell bottom, the convex part makes the wiring end of heating device and heater unsettled.

The heater is a metal pipe heating pipe, the metal pipe heating pipe comprises an outer pipe, an insulating filling layer and an electric heating wire which are sequentially arranged from outside to inside, and wiring ends are sequentially formed at two ends of the metal pipe heating pipe.

The heater is a resistance wire.

The heat storage layer is made of soil materials.

The convex part is formed by bending the outer edge of the bottom of the heat-conducting shell or is convexly arranged on the bottom surface of the heat-conducting shell.

The waterproof structure further comprises a high-temperature-resistant sealing ring which is arranged between the wiring end of the heater and the heat conducting shell.

The utility model discloses an foretell technological improvement has following beneficial effect:

through setting up waterproof construction, can effectively avoid water direct and heating device contact, avoid inside water gets into heating device, prevent the emergence of electric leakage.

The heating device can be applied to various electric cookers such as electric cookers, electric stewpots, electric cookers and the like.

When the electric heating device works, the heat storage layer can store enough heat, and when the electric heating device is closed, the heat stored in the heat storage layer can be continuously released outwards, so that the functions of heat preservation, high-temperature stewing and low-temperature cooking of the electric cooking utensil are realized.

Drawings

Fig. 1 is an assembly view (cross-sectional view) of a first embodiment of the present invention.

Fig. 2 is an exploded view of the first embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

Referring to fig. 1-2, the heating device of the electric cooking utensil comprises a heat storage layer 2, the heat storage layer 2 is made of a soil material (the manufacturing method is as described in the Chinese patent documents of the background art), a continuous and circuitous heater 3 is arranged in the heat storage layer 2, a heat conduction shell 1 is coated outside the heat storage layer 2, a wiring end of the heater 3 extends out of the bottom of the heat conduction shell 1, a waterproof structure for preventing water from entering the heating device is arranged on the wiring end of the heater 3 or the heat conduction shell 1, the waterproof structure comprises a plurality of convex portions 11 arranged at the bottom of the heat conduction shell 1, the convex portions 11 enable the heating device and the wiring end of the heater 3 to be suspended, and the convex portions 11 enable the heating device (namely the bottom of the heat conduction shell 1) and the wiring end. After the comdenstion water that electric cooking pot produced flowed into the inner bag, there was the inner bag bottom surface with amassing, because the wiring end of heating device and heater 3 is unsettled, inside water can't get into heating device, also can't contact with the wiring end, avoids the occurence of failure of electric leakage, and the comdenstion water that flows into the inner bag is very little, consequently, heating device during operation again, the heating power that its produced can evaporate the comdenstion water, avoids the comdenstion water to store up. Inside waterproof construction prevented water entering heating device, avoided directly with heat storage layer 2, guarantee that heat storage layer 2 can keep apart with hydroenergy enough well, avoid appearing the electric leakage phenomenon.

Further, the heater 3 is a metal pipe heating pipe, the metal pipe heating pipe comprises an outer pipe, an insulating filling layer (such as insulating magnesium oxide) and an electric heating wire which are sequentially arranged from outside to inside, and wiring ends are sequentially formed at two ends of the metal pipe heating pipe. While the heater 3 of the present embodiment is a resistance wire.

Further, the convex portion 11 is formed by bending the outer edge of the bottom of the heat-conducting shell 1, or is convexly arranged on the bottom surface of the heat-conducting shell 1. The embodiment adopts the former technical scheme.

As a further preferable solution, the waterproof structure may further include a high temperature resistant sealing ring (not shown) disposed between the terminal of the heater 3 and the heat conductive housing 1, and also plays a role of preventing water from entering the heating device.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and not for the purpose of limiting the same, and the appended claims are intended to cover all such modifications, equivalents, and alternatives falling within the scope of the present invention.

Claims

1. The utility model provides a heating device of electric cooking utensil, its characterized in that, includes heat storage layer (2), is equipped with heater (3) circuitous in succession in heat storage layer (2), and heat storage layer (2) outside cladding has heat conduction shell (1), the wiring end of heater (3) stretches out from the bottom of heat conduction shell (1), is equipped with on the wiring end of heater (3) or heat conduction shell (1) and prevents that water from getting into the inside waterproof construction of heating device, waterproof construction is including setting up a plurality of convex parts (11) in heat conduction shell (1) bottom, convex part (11) make the wiring end of heating device and heater (3) unsettled.

2. The heating device of the electric cooking utensil of claim 1 wherein: the heater (3) is a metal pipe heating pipe, the metal pipe heating pipe comprises an outer pipe (31), an insulating filling layer and an electric heating wire (33) which are sequentially arranged from outside to inside, and wiring ends are sequentially formed at two ends of the metal pipe heating pipe.

3. The heating device of the electric cooking utensil of claim 1 wherein: the heater (3) is a resistance wire.

4. The heating device of the electric cooking utensil of claim 1 wherein: the heat storage layer (2) is made of a soil material.

5. The heating device of the electric cooking utensil of claim 1 wherein: the convex part (11) is formed by bending the outer edge of the bottom of the heat-conducting shell (1) or is convexly arranged on the bottom surface of the heat-conducting shell (1).

6. Heating device of an electric cooking appliance according to any of the claims 1-5, characterized in that: the waterproof structure further comprises a high-temperature-resistant sealing ring which is arranged between the wiring end of the heater (3) and the heat conduction shell (1).