CN212089176U

CN212089176U - Steam heating device and steaming and baking oven

Info

Publication number: CN212089176U
Application number: CN201821294672.8U
Authority: CN
Inventors: 李志刚
Original assignee: Foshan Nawo Electronic Technology Co ltd
Current assignee: Foshan Nawo Electronic Technology Co ltd
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2020-12-08
Anticipated expiration: 2028-08-13

Abstract

The utility model discloses a steam heating device and a steam oven, belonging to the technical field of kitchen appliances, comprising a box body for placing food to be steamed, wherein the box body is cubic, one side of the box body is provided with an opening, and the opening is provided with a furnace door; the bottom of the box body is provided with an electromagnetic heating device, a water tank containing a bottom surface made of magnetic materials is arranged at the position, corresponding to the electromagnetic heating device, of the bottom of the box body, and after the electromagnetic heating device is electrified, the water tank generates eddy current to heat water in the water tank and generates steam to heat food in the box body. The utility model discloses in, electromagnetic heating device sets up in the bottom half, and the electromagnetic heating device top sets up the basin, and the moisture of direct heating inslot produces steam, and heating efficiency does not receive the influence of incrustation scale, and the quality is more stable.

Description

Steam heating device and steaming and baking oven

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to steam heating device and steaming and baking oven.

Background

At present, in the electric steam oven or steam oven on the market, water in a water tank is generally injected into a heating plate and a steam generator which adopt a heating pipe as a heating element in a steam generation mode, the heating plate and the steam generator generate high temperature to enable the water to boil to generate steam, so that the steam is generated in the steam oven or steam oven, and therefore food is cooked under the action of the steam or the effect of cooking the food together by matching with other barbecue units is achieved. From the position of the water tank, the current products are mainly divided into models of the water tank on the upper part, the lower part, the side surface and the top of the furnace chamber. And there are two main types of steam generation positions, one is to generate steam inside the cavity, and the other is to generate steam outside the cavity and then to introduce the steam into the cavity through related structural members.

After water is evaporated for a certain time in the heating plate or the steam generator, a large amount of water scale can be generated and attached to the bottom of the heating plate or the evaporator, and the water scale is thicker and thicker for a long time, so that the work of the stove is greatly influenced. Because the heat of the heating pipe in the absorption heating plate of incrustation scale and the steam generator can not be well transferred to water, the effect of heat insulation is played, the efficiency of generating steam is reduced, meanwhile, because the heat of the heating pipe can not be timely transferred to water, the temperature of the heating plate and the steam generator is very high, the control program for performing various functional logic judgment sampling based on the temperature is complex, and various faults are easy to occur. More seriously, if the scale is too much, the relevant water pipe and air pipe are blocked, so that the machine cannot work. The existing solution is to add certain citric acid into the heating plate or steam generator after a certain time to dissolve the scale, but this not only is troublesome but also the amount and time of scale generation is difficult to control, so there is still the possibility of malfunction. Because the heating tube and the water containing structure in the heating body and the steam generator can not be separated, the part of the structure of the water containing is also a place where the water scale is adsorbed, and is difficult to be taken out and cleaned independently, and the water scale has great influence on heat transfer by adopting the heating principle of the heating tube. This approach is difficult to solve the above problem.

Disclosure of Invention

In view of this, the to-be-solved technical problem of the utility model is to provide steam heating device and steaming and baking case to solve current steam oven or steaming and baking case long-term heating in-process incrustation scale and cause the influence to the heater efficiency of generating heat, further influence the problem of steaming and baking case operating stability.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows:

a steam heating device comprises a box body for placing food to be cooked, wherein the box body is cubic, one side of the box body is provided with an opening, and an oven door is arranged at the opening; the bottom of the box body is provided with an electromagnetic heating device, a water tank containing a bottom surface made of magnetic materials is arranged at the position, corresponding to the electromagnetic heating device, of the bottom of the box body, and after the electromagnetic heating device is electrified, the water tank generates eddy current to heat water in the water tank and generates steam to heat food in the box body.

Furthermore, the bottom surface of the water tank is made of metal or the whole water tank is made of metal.

Further, the bottom surface of box is the ceramic plate or the bottom surface of box contains the ceramic plate, electromagnetic heating device is the solenoid that sets up in the ceramic plate below of box.

Further, a liquid level sensor and an anti-dry heating sensor are arranged in the water tank.

Furthermore, the shape of the water tank is round or square, and the water tank is placed at the bottom of the box body.

Further, a rest stand is arranged in the box body.

Furthermore, a control panel is arranged outside the box body and used for controlling one or more of heating time, heating temperature and heating firepower.

Further, an electric heating wire is arranged in the box body.

Further, the electromagnetic heating device is arranged on the inner side or the outer side of the bottom surface of the water tank.

In order to solve the problem provided by the utility model, the utility model also provides a steam oven, steam oven includes an arbitrary steam heating device of the aforesaid.

The utility model provides a steam heating device and steam oven sets up electromagnetic heating device at the bottom half, and the position that corresponds electromagnetic heating device sets up the basin, and the basin can freely be taken out, can heat food to the water heating steam production in the basin after the electromagnetic heating device circular telegram, because electromagnetic heating device itself keeps apart with water, electromagnetic heating device can not receive the influence of incrustation scale.

Drawings

Fig. 1 is a schematic structural view of a steam heating device according to an embodiment of the present invention;

fig. 2 is a sectional view of a steam heating device according to an embodiment of the present invention.

In the figure:

10	box body	20	Water tank
				30	Electromagnetic coil	1	Bottom surface
40	Ceramic plate

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

The utility model discloses a first embodiment provides a steam heating device, as shown in fig. 1 and fig. 2, including being used for placing the box 10 of waiting to cook food, box 10 generally is the cube, for example cuboid or square, and the box material is not limited, preferably metal material, one side opening of box and the opening sets up the furnace gate, generally the furnace gate sets up the lateral wall at the box, and the furnace gate is articulated with one side of box, and the furnace gate can pull open or close (not shown in the figure).

In one embodiment, as shown in fig. 2, an electromagnetic heating device is disposed at the bottom of the case 10, the bottom of the case is preferably a ceramic plate 40 as a whole, the bottom of the case 10 may be provided with a ceramic plate 40 at the center, and the electromagnetic heating device is an electromagnetic coil 30 disposed below the ceramic plate 40 of the case 10. The basin bottom surface is metal material or the basin is whole to be metal material, perhaps the bottom surface of basin or basin is other magnetic conduction materials, the shape of basin is circular or square, basin 20 directly places on the ceramic plate 40 of box 10 bottom surface, make things convenient for basin 20 can freely take out to add water and clean, the ceramic plate 40 of box 10 bottom is also very pleasing to the eye and be convenient for clean.

Furthermore, the heating wires are arranged in the box body, and the placing frame is arranged in the box body, so that the oven can be further helped to increase the oven temperature, the steam heating can be realized, and the food can be roasted without using the steam.

Furthermore, a control panel is arranged outside the box body and used for setting one or more of heating time, heating temperature and heating firepower.

In order to prevent the water tank 20 from being dried, a liquid level sensor and an anti-drying sensor are arranged in the water tank 20, when the water content in the water tank 20 is lower than a set position, the liquid level sensor sends a feedback signal to a control center, and the control center sends an alarm signal to remind a user of adding water into the water tank 20; when the water in the water tank 20 is dried, the dry burning prevention sensor sends a feedback signal to the control center, the control center controls the electromagnetic heating device to stop electrifying, and the electromagnetic heating device stops working.

The steam heating device that this embodiment was realized sets up electromagnetic heating device at the bottom half, and the position that corresponds electromagnetic heating device sets up the basin, and the basin can freely be taken out, and electromagnetic heating device circular telegram back, the water in the basin is heated and is produced steam and heat food, because electromagnetic heating device itself and water are kept apart, electromagnetic heating device can not receive the influence of incrustation scale.

Example two

The second embodiment of the present invention further provides a steam oven, wherein the steam oven comprises the first embodiment of the steam heating device, and all technical contents refer to the first embodiment and are not repeated herein.

The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.

Claims

1. A steam heating device comprises a box body for placing food to be cooked and a water tank for containing water; the box body is cubic, one side of the box body is provided with an opening, and the opening is provided with a furnace door; the method is characterized in that: the bottom of the box body is provided with an electromagnetic coil; the whole bottom surface of the box body is a ceramic plate; the water tank comprises a bottom surface made of magnetic conductive materials, the water tank is directly placed on the ceramic plate on the bottom surface of the box body, and the water tank can be taken out freely; after the electromagnetic coil is electrified, eddy current is generated on the bottom surface of the water tank to heat water in the water tank and generate steam to heat food in the box body.

2. The steam heating apparatus according to claim 1, wherein: the bottom surface of the water tank is made of metal or the whole water tank is made of metal.

3. The steam heating apparatus according to claim 1, wherein: and a liquid level sensor and an anti-dry heating sensor are arranged in the water tank.

4. A steam heating device according to any one of claims 1 to 3, wherein: the shape of the water tank is round or square.

5. The steam heating apparatus according to claim 1, wherein: a rest stand is arranged in the box body.

6. The steam heating apparatus according to claim 1, wherein: the box body is externally provided with a control panel which is used for controlling one or more of heating time, heating temperature and heating firepower.

7. The steam heating apparatus according to claim 1, wherein: and an electric heating wire is arranged in the box body.

8. A steaming and baking oven is characterized in that: the steaming oven comprising the steam heating apparatus of any one of claims 1 to 7.