Patent ID: 12196425

In theFIGS.1, rotating arm;2, liner body;3, door;4, heating system;5, spray system;6, pure water box;7, replacement box;8, drain port;9, drainage region;10, steam generator;11, water pump;12, top heating coil;13, side heating pipe;14, heating plate;15, circulating fan;16, centrifugal pump;17, spray arm;18, heating pipe;19, first mechanical check valve;20, second mechanical check valve;21, first solenoid valve;22, second solenoid valve;23, T-pipe;24, water pipe joint;25, spindle;26, joint flange;27, lock nut;28, water outlet;29, upper shell;30, lower shell;31, rotating portion;32, through-hole;33, spray hole;34, integrated stove;35, third solenoid valve;36, water flow sensor;37, fourth solenoid valve;38, joint;39, oil box.

DETAILED DESCRIPTION OF THE INVENTION

As shown inFIG.1toFIG.9, the invention provides an intelligent-cleaning steam oven liner, comprising a liner body2and a door3, wherein the door3is in seal fit with the liner body2to form a working chamber: the intelligent-cleaning steam oven liner further comprises a heating system4and a spray system5, the heating system4is used for cooking food in the liner body2, and after the food in the liner body2is cooked, the spray system5cleans an inner wall surface of the liner body2.

The liner body2is connected to a pure water box6and a replacement box7, the pure water box6is connected to the heating system4and the spray system5, a drain port8is formed in a bottom surface of the liner body2, the bottom surface of the liner body2inclines towards the center to form a drainage region9, the drain port8is formed in the center of the drainage region9and connected to the replacement box7, and the replacement box7is connected to the spray system5. The pure water box6is used for storing pure water, a cleaning solution is contained in the replacement box7, and the pure water in the pure water box6is used for steaming and roasting food in the liner body2by means of the heating system4; the cleaning solution in the replacement box7is used for cleaning an inner wall of the liner body2by means of the spray system5: after the liner body2is cleaned with the cleaning solution, part of the cleaning solution will be left on the liner body2, and at this moment, the pure water in the pure water box6is used to wash the liner body2by means of the spray system5; and after the liner body2is washed, the water enters the replacement box7via the drain port8to replace sewage in the replacement box7, such that the liner body2is cleaned.

The heating system4comprises a steam generator10, a water pump11, a top heating coil12, side heating pipes13and a heating plate14, wherein the heating plate14is arranged on a bottom surface of the inner wall of the liner body2, the side heating pipes13are arranged on side faces of the inner wall of the liner body2, and the top heating coil12is arranged on a top surface of the inner wall of the liner body2: the pure water in the pure water box6is pumped by the water pump11into the steam generator10and is then heated to heat food in the liner body2by means of the side heating pipes13and the top heating coil12. The pure water in the pure water box6is controlled by the water pump11to enter the steam generator10to be heated to heat and cook the food in the liner body2by means of the side heating pipes13and the top heating coil12, and at the same time, the heating plate14generates heat to heat and cook the food in the liner body2. Circulating fans15are arranged on two side walls of the interior the liner body2respectively. After food in the liner body2is heated by the heating system4, the circulating fans15control heat in the liner body2to circulate sufficiently, thus guaranteeing that the food can be uniformly heated in all directions.

The spray system5comprises a centrifugal pump16and spray arms17, the centrifugal pump16is connected to the pure water box6and the replacement box7and is also connected to the spray arms17to allow water in the replacement box7and the pure water in the pure water box6to be sprayed sequentially by means of the spray arms17. The cleaning solution in the replacement box7is delivered into the spray arms17in the liner body2by means of the centrifugal pump16, the spray arms17spray the cleaning solution into the liner body2to clean the liner body2, then the pure water in the pure water box6is delivered into the spray arms17in the liner body2by means of the centrifugal pump16, the spray arms17spray the pure water into the liner body2to clean the liner body2, and then the water is discharged into the replacement box7via the drain port8, such that the liner body2is cleaned. A heating pipe18is arranged between the centrifugal pump16and the spray arms17to heat the cleaning solution. When the centrifugal pump16delivers the cleaning solution from the replacement box7to the spray arms17, the cleaning solution is heated by the heating pipe18, thus improving the cleaning effect of the cleaning solution. A first mechanical check valve19is connected to the bottom of the pure water box6, a second mechanical check valve20is connected to the bottom of the replacement box7, the first mechanical check valve19is connected to a first solenoid valve21, the second mechanical check valve20is connected to a second solenoid valve22, and a T-pipe23is connected between the first solenoid valve21, the second solenoid valve22and the centrifugal pump16. The first mechanical check valve19controls the delivery direction of the pure water in the pure water box6, the second mechanical check valve20controls the delivery direction of the cleaning solution in the replacement box7, and the first solenoid valve21and the second solenoid valve22control the pure water in the pure water box6and the cleaning solution in the replacement box7to be delivered sequentially. Each spray arm17comprises a rotating arm1, a water pipe joint24and a spindle25, wherein one end of the water pipe joint24is connected to the T-pipe23, the other end of the water pipe joint24is connected to the spindle25, the water pipe joint24is provided with a joint flange26which is tightened between the water pipe joint24and the spindle25by means of a lock nut27, the rotating arm1is rotatably connected to the spindle25, water outlets28corresponding to the circumference of the rotating arm1are distributed in the spindle25, and the rotating arm1is connected to the water pipe joint24by means of the water outlets28. The cleaning solution or pure water is delivered into the spindle25from the water pipe joint24by means of the T-pipe23and then flows from the spindle25into the rotating arm1via the water outlets28. The rotating arm1comprises an upper shell29, a lower shell30and a rotating portion31, wherein the rotating portion31corresponds to the water outlets28and is rotatably connected to an outer side of the spindle25, through-holes32are formed in the circumference of the rotating portion31, a temporary water storage cavity is formed after the upper shell29and the lower shell30are connected in sealed manner, the through-holes32are connected to the temporary water storage cavity, spray holes33are uniformly distributed in a top surface of the upper shell29and a bottom surface of the lower shell30and are connected to the temporary water storage cavity. The cleaning solution or pure water discharged via the water outlets28enters the temporary water storage cavity via the through-holes32and is then sprayed via the spray holes in the upper shell29and the lower shell30, such that water can be sprayed out from both the upper end and the lower end of the spray arm17to clean the inner wall of the liner body2.

According to the invention, the intelligent-cleaning steam oven liner is provided with the liner body2and the door3, the door3is in seal fit with the liner body2, the heating system4and the spray system5are arranged in the liner body2, the heating system4realizes the food steaming and roasting function of a steam oven, and after the food is cooked by the heating system4, the spray system5operates to clean the inner wall of the liner body2to keep the liner body2clean, thus guaranteeing a clean environment for food cooking and avoiding bacterium breeding in the liner body2; in addition, the liner body2does not need to be manually cleaned by users, thus saving time and labor and greatly improving usage experience of the steam oven.

As shown inFIG.10andFIG.11, the invention also provides an integrated stove comprising the self-cleaning steam oven liner.

The operating principle of an intelligent-cleaning steam oven is as follows:1. Heating: first, pure water in the pure water box6is controlled by the water pump11to be delivered into the steam generator10to be heated to generate steam, then food in the liner body2is heated to be cooked by means of the side heating pipes13and the top heating coil12, at the same time, the circulating fans15on two sides of the liner body2are controlled to operate to allow the steam to circulate in the liner body2to ensure that the food in the liner body1can be sufficiently heated, and after the food is cooked, residual water in the steam generator10is delivered into an oil box39by means of a third solenoid valve35;2. Cyclic cleaning: a cleaning solution is added into the replacement box7, the cleaning solution is delivered by the centrifugal pump16into the heating pipe18to be heated and is then delivered into the spray arms17, the spray arms17spray the cleaning solution into the liner body2to clean the top surface and side walls of the interior of the liner body2, the water is then discharged into the replacement box7via the drain port8, and the liner body2is cyclically cleaned for 10-40 min;3. Washing with clean water: sewage in the replacement box7is poured out, pure water in the pure water box6is directly delivered by the centrifugal pump16into the spray arms17without being heated, and is sprayed into the liner body2by the spray arms17to wash the liner body2, and after washing, the water is delivered into the replacement box7by means of the drain port8and does not circulate; and the liner body2is dried after being washed, then the pure water box6is filled with water again, and sewage in the replacement box7is poured out.

The replacement box7and the pure water box6can be connected to an external water source to be filled with water. Specifically, an elbow pipe is arranged, a water flow sensor36, a fourth solenoid valve37and a joint38are arranged on the elbow pipe to automatically added water into the replacement box7and the pure water box from the external water source.

Sewage in the replacement box7can be automatically discharged into the oil box39, thus realizing an automatic sewage discharge effect of the replacement box7.

In the invention, first arc-shaped plates6are welded between a front panel3and side panels4, and second arc-shaped plates7are welded between the side panels4and a rear panel5, such that operators are protected by the arc-shaped plates between the panels: the side panels4and the rear panel5are further protected, and the overall thickness is increased based on the side panels4and the rear panel5, thus preventing deformation of the side panels4and the rear panel5.

The above embodiments are merely specific embodiments of the invention, and the technical features of the invention are not limited to the above embodiments. Any simple variations, equivalent substitutions or modifications made based on the invention to solve basically the same technical problems and fulfill basically the same technical effects should also fall within the protection scope of the invention.