CN112120520A

CN112120520A - Steam cooking device and control method thereof

Info

Publication number: CN112120520A
Application number: CN201910555934.4A
Authority: CN
Inventors: 赵鹏飞; 司鹏; 唐相伟
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-12-25

Abstract

The invention provides a steam cooking device and a control method of the steam cooking device. Wherein, steam cooking device includes: a housing provided with a cooking cavity; the water accumulation part is positioned in the cooking cavity and used for accommodating accumulated water; the water tank is arranged in the shell; and the filtering module is arranged in the shell and positioned outside the cooking cavity, and two ends of the filtering module are respectively communicated with the water accumulation part and the water tank through connecting pipes. According to the invention, the water accumulation part is arranged in the cooking cavity, so that condensed water generated by the steam cooking device during working is gathered in the water accumulation part, then flows through the filtering module and further flows into the water tank, the filtering module can filter out food residues, grease and other impurities mixed in the condensed water, the cleanliness of water flowing into the water tank from the water accumulation part can be further ensured, the water in the water tank is prevented from being polluted, and the sanitation and environmental protection of the cooking process of food are ensured. Meanwhile, the structure enables the condensed water to be pumped back into the water tank for reuse, water is saved, and the endurance time of the water tank is prolonged.

Description

Steam cooking device and control method thereof

Technical Field

The invention relates to the technical field of steam cooking devices, in particular to a steam cooking device and a control method of the steam cooking device.

Background

Steam is a traditional food cooking medium and is widely applied to kitchen appliances such as steam boxes, steam ovens and micro-steaming and baking integrated machines. The principle of steam cooking food is that high-temperature steam is used for heating food, so that the food is subjected to a series of physical and chemical changes, and the process of edible state is achieved. Therefore, the boiling process is bound to be accompanied by the release of the latent heat of the steam and the condensation process of the steam, so that after the food pure steaming mode cooking is finished, a large amount of condensed water is accumulated at the bottom of the cavity of the steam cooking device, and the steam cooking device needs to be cleaned by a user, thereby wasting time and labor.

In order to solve the problem, the condensed water is recycled in the related art, but the recycled condensed water is not filtered, so that the problems of pipeline blockage and water source pollution are caused, the cooking effect of food is influenced, and the use experience of a user is influenced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, a first aspect of the present invention proposes a steam cooking device.

A second aspect of the present invention provides a control method of a steam cooking apparatus.

In view of this, a first aspect of the present invention proposes a steam cooking apparatus comprising: a housing provided with a cooking cavity; the water accumulation part is positioned in the cooking cavity and used for accommodating accumulated water; the water tank is arranged in the shell; and the filtering module is arranged in the shell and positioned outside the cooking cavity, and two ends of the filtering module are respectively communicated with the water accumulation part and the water tank through connecting pipes.

The present invention provides a steam cooking apparatus including: the water purifier comprises a shell, a water accumulation part, a water tank and a filtering module. Through setting up ponding portion at the culinary art intracavity for the comdenstion water that steam cooking device during operation produced gathers in ponding portion, then flow through filter module, and then in flowing into the water tank, filter module can filter out the food waste of mixing in the comdenstion water, impurity such as grease, and then can guarantee the cleanliness of the water that flows into the water tank by ponding portion, the condition of avoiding polluting the water in the water tank takes place, and can reduce the possibility of breeding the bacterium, the culinary art process health environmental protection of food has been guaranteed, promote user's use and experience. Meanwhile, the structure can avoid the situation of blocking the connecting pipe or even the water tank, thereby ensuring the use continuity of the product, reducing the probability of cleaning and maintaining the product and being beneficial to prolonging the service life of devices in the steam cooking device.

Further, because the water accumulating part is arranged, the condensed water generated during the working of the steam cooking device can be accumulated in the water accumulating part, namely, the water accumulating part plays a role in gathering the dispersed condensed water. In addition, because ponding portion is linked together with the water tank, so, the comdenstion water after filtering module filters can be taken back to reuse in the water tank, has practiced thrift the water, has prolonged the time of endurance of water tank, so, be favorable to reducing the size of water tank, easily realize steam cooking device's frivolousization, and then can promote the visual and market competitiveness of the product of outward appearance. Simultaneously, this structure setting can avoid because of the longer condition emergence that makes the user need add water operation to the water tank midway of culinary art time, has realized the purpose of automatic collection and recycle comdenstion water, and can avoid because of the too much condition emergence that leads to influencing food taste of ponding in the culinary art intracavity.

In addition, because the comdenstion water is retrieved to the water tank again, so, the user need not clear up the ponding in the cavity specially after the culinary art to simplified the process that the user cleared up steam cooking device, makeed steam cooking device easily clear up, user experience is good.

Specifically, ponding position is located the bottom of culinary art chamber, so, when steam cooking device during operation, receive the effect of gravity comdenstion water can drip and assemble in the bottom of culinary art chamber, so, can promote the collection efficiency to the comdenstion water. In addition, ponding position is located the bottom of culinary art chamber, so, can carry out recycle with the nearly 100 degrees centigrade comdenstion water of the bottom position department of culinary art chamber, reducible thermal loss, the sensible heat of make full use of comdenstion water, so, can improve the temperature of water tank, and then improve the temperature of steam generator entry of steam cooking device, be favorable to improving the efficiency of complete machine.

According to the steam cooking device of the invention, the following additional technical characteristics can be provided:

in the above technical solution, preferably, the filter module includes: the body is provided with a filter cavity, and an inlet and an outlet of the filter cavity are respectively communicated with the water accumulating part and the water tank; the filtering part is positioned in the filtering cavity and close to the inlet; and the adsorption part is positioned in the filtering cavity and is close to the outlet.

In this technical solution, the filter module includes: the body, filter part and absorption part. Through the constitution of reasonable setting filter module, make the filter house be close to the entry of filter chamber, the export that the adsorption site is close to the filter, the filter house is used for filtering the food residue of mixing in aqueous, particulate matter such as grease, the adsorption site is used for adsorbing pigment and peculiar smell etc. that the aquatic after the filter house filters, namely, the filter house cooperates the multistage filtration of having realized the impurity to the condensate water with the adsorption site, with filter the various foreign matters that carry in the condensate water, with guarantee that the condensate water after filtering is close pollution-free condensate water to the maximize, and then guarantee the cleanliness of the water of flowing into in the water tank, greatly reduced breeds the possibility of bacterium.

Specifically, the filter part is a PP (Polypropylene) cotton filter element and is used for filtering out tiny food residues, grease and other particles in condensed water; the adsorption part is a granular activated carbon filter element and is used for adsorbing pigment, peculiar smell and the like carried in condensed water.

In particular, the filter module is detachably arranged in the housing, so that the filter module can be checked and replaced according to specific actual use conditions.

In any one of the above technical solutions, preferably, the water accumulating part is provided with a water accumulating tank: the bottom wall of the water collecting tank is provided with a plurality of filtering holes.

In this technical scheme, through the structure of reasonable setting ponding portion for ponding portion is provided with the ponding groove, and the ponding groove plays the effect of gathering, gathering the comdenstion water, avoids the comdenstion water to disperse in each department in culinary art chamber and then leads to the condition emergence of the unable effective comdenstion water of collecting. In addition, be provided with a plurality of filtration pores on the diapire of ponding groove, promptly, filter the pore and be used for filtering impurity such as the great food waste of particle size and grease in the condensate water to alleviate the filtration pressure of follow-up filtration module, and then can prolong the life of filtration module.

Specifically, cross filtration pore, filter house and absorption portion and realized the tertiary filtration to the impurity of condensate water, the successive layer filters the different impurity of aquatic gradually, has effectively promoted the filter effect, the maximize clear away the impurity of condensate water.

In any of the above technical solutions, preferably, the side wall of the water collecting tank is inclined, and the area of the area surrounded by the opening of the water collecting tank is larger than the area of the bottom wall of the water collecting tank; wherein the diameter of the filtering holes ranges from 1mm to 5 mm.

In the technical scheme, the side wall of the water accumulating tank is obliquely arranged by reasonably arranging the structure of the water accumulating tank, and the area of the area surrounded by the opening of the water accumulating tank is larger than that of the bottom wall of the water accumulating tank, so that accumulated water in the cooking cavity can smoothly flow into the water accumulating tank at the low-lying position at the bottom of the cooking cavity, and the condensed water is conveniently concentrated and recycled.

In addition, the diameter of the filtering hole is limited to be 1-5 mm, so that the normal flow of condensed water is ensured under the condition of ensuring the filtering effect, if the diameter of the filtering hole is smaller than 1mm, impurities with larger particle sizes in the condensed water easily block the filtering hole, the flow speed of the condensed water is greatly reduced, the recovery efficiency of the condensed water is low, the probability of breeding bacteria such as food residues is increased, and the condensed water accumulated in the water accumulating tank is polluted; if the diameter of the filter hole is larger than 5mm, food residues and grease with larger particle sizes can flow through the filter hole and enter the filter module, the burden of the filter module can be increased, the service life of the filter module can be greatly shortened, and the subsequent maintenance and repair cost of products is increased. Preferably, the diameter of the filter holes is 3 mm. Specifically, the filter hole is located in the central area of the bottom wall of the water collecting tank.

In any of the above technical solutions, preferably, the steam cooking device further includes: the sensor is arranged in the water accumulation part and used for detecting the water accumulation depth in the water accumulation part; the electromagnetic valve is arranged on the connecting pipe and is positioned between the water accumulation part and the filtering module; the water pump is arranged on the connecting pipe and is positioned between the filtering module and the water tank; and the controller is arranged in the shell and is connected with the sensor, the electromagnetic valve and the water pump.

In this technical scheme, steam cooking device still includes: the water pump comprises a sensor, an electromagnetic valve, a water pump and a controller, wherein the controller is connected with the sensor, the electromagnetic valve and the water pump. Through setting up the sensor, make the sensor set up in ponding portion, and then usable sensor detects the ponding degree of depth in the ponding portion, the controller is according to the ponding degree of depth (when ponding degree of depth is greater than or equal to first default), solenoid valve and water pump are opened in control, the solenoid valve is opened, so, the comdenstion water in the ponding portion relies on gravity to flow in by ponding portion filter module, the water pump is opened, the comdenstion water in the ponding portion relies on the suction flow of water pump, promptly, the comdenstion water flows in filter module by ponding portion under the dual function of solenoid valve and water pump, and then flow in the water tank, recycle in order to realize rivers. This structure sets up the cooperation through the sensor, the solenoid valve, water pump and controller, realized the accurate judgement to the ponding degree of depth, just can start solenoid valve and water pump when the ponding memory space reaches the default, under the condition of guaranteeing the effective recovery of rivers, the energy consumption has been reduced, the use cost of product has been reduced, avoid not having ponding to exist or ponding volume to open solenoid valve and water pump when too little and lead to the condition emergence of extravagant resource, the performance and the market competition of product have been promoted.

Specifically, the water pump is the straight-flow type diaphragm pump, and this kind of pump has can empty the advantage of taking out, that the noise is little.

In any of the above technical solutions, preferably, the sensor is a water sensor; the range of the distance from the water sensor to the inner bottom wall of the water accumulation part is 0.1mm to 5 mm.

In this technical scheme, the sensor is the water logging sensor, but the real-time supervision ponding portion in have ponding to and the ponding volume, thereby realize the real-time supervision to the comdenstion water, in time the drainage. Specifically, the electrode subsides of water sensor locate the inner wall of ponding portion, detect ponding when water sensor to the ponding water level surpasss water sensor's electrode take the altitude, sends out the police dispatch newspaper, in order to indicate the user to notice.

In addition, through the value range of the distance of reasonable setting water logging sensor to the interior diapire of ponding portion, make it satisfy to be 0.1mm to 5mm, can realize effectively detecting the purpose of ponding degree of depth. If the distance from the water sensor to the inner bottom wall of the water accumulation part is less than 0.1mm, the accumulated water in the water accumulation part is small or is drained, if the electromagnetic valve and the water pump are opened according to the accumulated water, the water suction effect is poor or the water pump is empty, resources are wasted, and energy consumption is high; if the distance of water sensor to the interior diapire of ponding portion is greater than 5mm, then the ponding water yield in the ponding portion is too big, and the save time of ponding is longer, easily breeds the bacterium, can pollute the water source, and then can cause edible potential safety hazard, in addition, can cause to draw water not thoroughly, easily causes the remaining problem of comdenstion water.

Specifically, the range of the distance from the sensor to the inner bottom wall of the water accumulation groove is 0.1mm to 5mm, and the water accumulation part is positioned at the bottom of the cooking cavity.

In any of the above technical solutions, preferably, the water accumulation portion is located above the water outlet of the electromagnetic valve; wherein, the value range of the distance from the water outlet to the outer bottom wall of the water accumulation part is 5mm to 50 mm.

In this technical scheme, through reasonable setting ponding portion for solenoid valve assembly structure for ponding portion is located the top of the delivery port of solenoid valve, and the comdenstion water can borrow the gravity action flow direction solenoid valve like this to reduce the degree of difficulty of follow-up suction comdenstion water, be favorable to reducing the energy consumption.

In addition, through the value range of the distance of the outer diapire of reasonable setting delivery port to ponding portion, make it satisfy 5mm to 50mm, if the distance of delivery port to the outer diapire of ponding portion is less than 5mm, then, the distance undersize between the delivery port of ponding portion and solenoid valve, be unfavorable for the autonomous flow of rivers, can increase the degree of difficulty of suction rivers, if the distance of delivery port to the outer diapire of ponding portion is greater than 50mm, then, the distance between the delivery port of ponding portion and solenoid valve is too big, can increase ponding portion and solenoid valve to the occupancy of steam cooking device inner space, be unfavorable for realizing the frivolousness of steam cooking device. Specifically, the distance from the water outlet to the outer bottom wall of the water storage part is 25 mm.

In any of the above technical solutions, preferably, the connecting tube is a silicone tube; the inner diameter of the connecting pipe ranges from 3mm to 7 mm; the outer diameter of the connecting pipe ranges from 6mm to 10 mm.

In the technical scheme, the connecting pipe is a silicone tube, and the silicone tube has elasticity, excellent high-temperature resistance and low-temperature resistance, good oil resistance and difficult breakage. Through the value range of the internal diameter and the external diameter of reasonable setting connecting pipe, realized the effect of effective water conservancy diversion under the structural strength's of assurance connecting pipe the condition. Specifically, the inner diameter of the connection pipe is 5mm, and the outer diameter of the connection pipe is 8 mm.

A second aspect of the present invention provides a method for controlling a steam cooking device, which is used in the steam cooking device according to any one of the first aspect, and the method for controlling the steam cooking device includes: acquiring water accumulation depth data of a water accumulation part of the steam cooking device; and determining that the accumulated water depth data is greater than or equal to a first preset value, and controlling to open an electromagnetic valve and a water pump of the steam cooking device for draining.

According to the invention, the accumulated water depth data of the water accumulation part of the steam cooking device is obtained, the accumulated water depth data is compared with the first preset value, when the accumulated water depth data is determined to be greater than or equal to the first preset value, the electromagnetic valve and the water pump of the steam cooking device are controlled to be opened for water drainage, and the electromagnetic valve is opened, so that condensed water in the water accumulation part flows into the filtering module from the water accumulation part by virtue of gravity, the water pump is opened, and the condensed water in the water accumulation part flows by virtue of the pumping force of the water pump, namely, the condensed water flows into the filtering module from the water accumulation part under the dual actions of the electromagnetic valve and the water pump and then flows into the water tank, so as to realize the recycling. According to the method, the accurate judgment of the depth of the accumulated water is realized, the electromagnetic valve and the water pump can be started only when the accumulated water storage amount reaches a certain value, namely, under the condition that the effective recovery of the water flow is ensured, the energy consumption is reduced, the use cost of the product is reduced, the condition that the resources are wasted due to the fact that the electromagnetic valve and the water pump are opened when no accumulated water exists or the accumulated water amount is too small is avoided, and the use performance and the market competitiveness of the product are improved.

Specifically, condensed water generated when the steam cooking device operates may be collected into the water accumulating portion, that is, the water accumulating portion may perform a collecting function on the dispersed condensed water. Confirm that ponding degree of depth data is greater than or equal to first default, control opens steam cooking device's solenoid valve and water pump and carries out the drainage, and then makes the comdenstion water be taken back to reuse in the water tank after filter module, has practiced thrift the water, has prolonged the time of endurance of water tank, so, be favorable to reducing the size of water tank, easily realize steam cooking device's frivolousization, and then can promote the visual and market competitiveness of the outward appearance of product. In addition, because the comdenstion water is retrieved to the water tank again, so, the user need not clear up the ponding in the cavity specially after the culinary art to simplified the process that the user cleared up steam cooking device, makeed steam cooking device easily clear up, user experience is good.

In the above technical solution, preferably, the step of controlling to open the electromagnetic valve and the water pump of the steam cooking device specifically includes: and controlling to open the water pump after the electromagnetic valve is controlled to be opened for a first preset time.

In this technical scheme, the solenoid valve is opened, therefore, the comdenstion water in the ponding portion relies on gravity to flow in by ponding portion and filters the module, the water pump is opened in the first time of predetermineeing back of the time of controlling again, make the comdenstion water in the ponding portion rely on the suction flow of water pump to flow, promptly, through the opportunity of opening of injecing solenoid valve and water pump, make the comdenstion water flow out and open the water pump again behind the ponding portion inflow solenoid valve, and then can avoid just opening the water pump under the condition that the comdenstion water does not flow out the ponding portion, and then cause the condition of water pump idle running to.

In any of the above technical solutions, preferably, after the step of controlling to open the electromagnetic valve and the water pump of the steam cooking device for draining, the method further includes: determining that the accumulated water depth data is smaller than a second preset value, and controlling to close the electromagnetic valve and the water pump after second preset time; and the second preset value is smaller than the first preset value.

In the technical scheme, the accumulated water depth data is determined to be smaller than the second preset value, which indicates that less condensed water exists in the water accumulating part at the moment, so that the electromagnetic valve and the water pump are controlled to be closed after the second preset time, and the condensed water in the water accumulating part is thoroughly discharged. Namely, through delaying closing solenoid valve and water pump, avoid when confirming that ponding degree of depth data is less than the second default, close solenoid valve and water pump at once, and then lead to still storing up the condition emergence that a small amount of comdenstion water easily breeds the bacterium in the ponding portion, guaranteed the health nature of food culinary art, promoted the culinary art effect of food.

In any of the above technical solutions, preferably, after the step of determining that the ponding depth data is greater than or equal to the first preset value, the method further includes: an alarm is issued.

In the technical scheme, the user is prompted to pay attention to the drainage operation of the condensed water in the water accumulation part in a mode of giving an alarm, so that the user can know the running state of the steam cooking device in time.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic configuration view of a steam cooking apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a filtration module of one embodiment of the present invention;

FIG. 3 is a schematic structural view of a water holding portion according to an embodiment of the present invention;

FIG. 4 is a schematic view of an assembly of the water tank, solenoid valve, filter module and water pump according to an embodiment of the present invention;

fig. 5 is a schematic flowchart showing a control method of the steam cooking apparatus of the first embodiment of the present invention;

fig. 6 is a schematic flow chart showing a control method of a steam cooking apparatus according to a second embodiment of the present invention;

fig. 7 is a schematic flow chart showing a control method of a steam cooking apparatus of a third embodiment of the present invention;

fig. 8 is a schematic flow chart showing a control method of a steam cooking apparatus according to a fourth embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1 steam cooking device, 10 casings, 20 ponding portions, 202 ponding grooves, 204 filtering holes, 30 water tanks, 40 filtering modules, 402 bodies, 404 filtering portions, 406 adsorption portions, 50 connecting pipes, 60 sensors, 70 electromagnetic valves and 80 water pumps.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The steam cooking apparatus 1 and a control method of the steam cooking apparatus according to some embodiments of the present invention are described below with reference to fig. 1 to 8.

As shown in fig. 1, an embodiment of an aspect of the present invention proposes a steam cooking apparatus 1 including: a housing 10 provided with a cooking cavity; the water accumulation part 20 is positioned in the cooking cavity and used for accommodating accumulated water; a water tank 30 disposed in the case 10; and the filtering module 40 is arranged in the shell 10 and positioned outside the cooking cavity, and two ends of the filtering module 40 are respectively communicated with the water accumulating part 20 and the water tank 30 through connecting pipes 50.

The present invention provides a steam cooking apparatus 1 including: the water filter comprises a shell 10, a water accumulation part 20, a water tank 30 and a filter module 40. Through set up ponding portion 20 in the culinary art intracavity, make the comdenstion water that steam cooking device 1 during operation produced gather in ponding portion 20, then flow through filter module 40, and then flow into in water tank 30, filter module 40 can filter out the food waste who mixes in the comdenstion water, impurity such as grease, and then can guarantee the cleanliness of the water that flows into in water tank 30 by ponding portion 20, the condition of avoiding polluting the water in water tank 30 takes place, and can reduce the possibility of breeding the bacterium, the culinary art process health environmental protection of food has been guaranteed, promote user's use and experience. Meanwhile, the structure can avoid the situation of blocking the connecting pipe 50 or even the water tank 30, ensure the continuity of product use, reduce the probability of cleaning and maintaining the product, and is beneficial to prolonging the service life of devices in the steam cooking device 1.

Further, due to the arrangement of the water accumulation part 20, condensed water generated during the operation of the steam cooking device 1 can be gathered in the water accumulation part 20, that is, the water accumulation part 20 plays a role in gathering the scattered condensed water. In addition, because the water accumulation portion 20 is communicated with the water tank 30, the condensed water filtered by the filtering module 40 can be pumped back to the water tank 30 for reuse, thereby saving water and prolonging the endurance time of the water tank 30, and therefore, the size of the water tank 30 is favorably reduced, the steam cooking device 1 is easy to be thinned, and the visibility of the appearance of the product and the market competitiveness of the product can be further improved. Simultaneously, this structure setting can avoid because of the longer condition emergence that makes the user need add water operation to water tank 30 midway of culinary art time, has realized the purpose of automatic collection and recycle comdenstion water, and can avoid because of the too much condition emergence that leads to influencing food taste of ponding in the culinary art intracavity.

In addition, because the comdenstion water is retrieved to water tank 30 again, so, the user need not clear up the ponding in the cavity specially after the culinary art is finished to simplified the process that the user cleared up steam cooking device 1, makeed steam cooking device 1 easily clear up, user experience is good.

Specifically, ponding portion 20 is located the bottom of culinary art chamber, so, when steam cooking device 1 during operation, receive the effect of gravity comdenstion water can drip and assemble in the bottom of culinary art chamber, so, can promote the collection efficiency to the comdenstion water. In addition, ponding portion 20 is located the bottom of culinary art chamber, so, can carry out recycle with the nearly 100 degrees centigrade comdenstion water of the bottom position department of culinary art chamber, and reducible thermal loss makes full use of the sensible heat of comdenstion water, so, can improve the temperature of water tank 30, and then improve the temperature of steam generator entry of steam cooking device 1, be favorable to improving the efficiency of complete machine.

In one embodiment of the present invention, preferably, as shown in fig. 2, the filtering module 40 includes: a body 402 provided with a filter chamber, an inlet and an outlet of which are respectively communicated with the water accumulating part 20 and the water tank 30; a filter portion 404 located within the filter chamber, proximate the inlet; and an adsorption part 406 positioned in the filtering cavity and close to the outlet.

In this embodiment, the filter module 40 includes: a main body 402, a filter 404, and an adsorption part 406. Through the constitution of reasonable setting filter module 40, make filter house 404 be close to the entry of filter chamber, adsorption unit 406 is close to the export of filter, filter house 404 is used for filtering the food residue of mixing in aqueous, particulate matter such as grease, adsorption unit 406 is used for adsorbing pigment and peculiar smell etc. that the aquatic carried after filter house 404 filters, namely, filter house 404 cooperatees with adsorption unit 406 and has realized the multistage filtration to the impurity of condensate water, with filter the various foreign matters that carry in the condensate water, be close pollution-free comdenstion water with guaranteeing that the comdenstion water maximize after filtering is close, and then guarantee the cleanliness of the water that flows into in water tank 30, greatly reduced the possibility of breeding the bacterium.

Specifically, the filter part 404 is a PP (Polypropylene) cotton filter element for filtering out fine food residues, grease and other particles in the condensed water; the adsorption part 406 is a granular activated carbon filter element and is used for adsorbing pigments, peculiar smell and the like carried in condensed water.

Specifically, the filter module 40 is detachably disposed in the housing 10, so that the filter module 40 can be checked and replaced according to specific actual use conditions.

In one embodiment of the present invention, preferably, as shown in fig. 3, the water accumulation part 20 is provided with a water accumulation groove 202: the bottom wall of the water collecting tank 202 is provided with a plurality of filtering holes 204.

In this embodiment, through the structure of reasonable setting water accumulation portion 20 for water accumulation portion 20 is provided with water accumulation groove 202, and water accumulation groove 202 plays the effect of gathering, gathering the comdenstion water, avoids the comdenstion water to disperse in each department in culinary art chamber and then leads to the condition emergence of unable effective collection comdenstion water. In addition, be provided with a plurality of filtration holes 204 on the diapire of ponding groove 202, promptly, filtration hole 204 is used for filtering the great food waste of particle size and impurity such as grease in the condensate water to alleviate the filtration pressure of follow-up filtration module 40, and then can prolong the life of filtration module 40.

Specifically, filter hole 204, filter part 404 and absorption part 406 have realized the tertiary filtration to the impurity in the condensate water, and the successive layer filters the different impurity of aquatic gradually, has effectively promoted the filter effect, the maximize clear away the impurity in the condensate water.

In a specific embodiment, a filter plate is disposed at an outlet on the bottom wall of the water collecting tank 202, and the filter plate is provided with a plurality of filter holes 204 and is located in a central region of the bottom wall of the water collecting tank 202.

In one embodiment of the present invention, preferably, the side wall of the water collecting tank 202 is inclined, and the area of the area enclosed by the opening of the water collecting tank 202 is larger than the area of the bottom wall of the water collecting tank 202; wherein, the diameter of the filter holes 204 ranges from 1mm to 5 mm.

In this embodiment, by reasonably arranging the structure of the water collecting tank 202, the side wall of the water collecting tank 202 is obliquely arranged, and the area of the area surrounded by the opening of the water collecting tank 202 is larger than the area of the bottom wall of the water collecting tank 202, so that the water collected in the cooking cavity can smoothly flow into the water collecting tank 202 which is a low-lying position at the bottom of the cooking cavity, and the concentrated recycling of the condensed water is facilitated.

In addition, the diameter of the filtering holes 204 is limited to be 1mm to 5mm, so that the normal flow of the condensed water is ensured under the condition of ensuring the filtering effect, if the diameter of the filtering holes 204 is smaller than 1mm, the situation that impurities with larger particle sizes in the condensed water block the filtering holes 204 is easy to occur, the flow speed of the condensed water is greatly reduced, the recovery efficiency of the condensed water is low, the probability of breeding bacteria such as food residues is increased, and therefore the condensed water accumulated in the water accumulating tank 202 is polluted; if the diameter of the filtering holes 204 is larger than 5mm, food residue and grease with larger particle size will flow through the filtering holes 204 and enter the filtering module 40, which will increase the burden of the filtering module 40, and further will greatly shorten the service life of the filtering module 40, and increase the subsequent maintenance and repair cost of the product. Preferably, the diameter of the filter holes 204 is 3 mm. Specifically, the filter aperture 204 is located in a central region of the bottom wall of the sump 202.

In one embodiment of the present invention, preferably, as shown in fig. 4, the steam cooking device 1 further includes: a sensor 60 disposed in the water reservoir 20 for detecting the depth of water accumulated in the water reservoir 20; an electromagnetic valve 70 disposed on the connection pipe 50, the electromagnetic valve 70 being located between the water accumulation part 20 and the filter module 40; a water pump 80 disposed on the connection pipe 50, the water pump 80 being located between the filter module 40 and the water tank 30; and a controller disposed in the housing 10 and connected to the sensor 60, the solenoid valve 70 and the water pump 80.

In this embodiment, the steam cooking apparatus 1 further includes: the device comprises a sensor 60, a solenoid valve 70, a water pump 80 and a controller, wherein the controller is connected with the sensor 60, the solenoid valve 70 and the water pump 80. Through setting up sensor 60, make sensor 60 set up in ponding portion 20, and then usable sensor 60 detects the ponding degree of depth in ponding portion 20, the controller is according to the ponding degree of depth (when ponding degree of depth is greater than or equal to first default), solenoid valve 70 and water pump 80 are opened in control, solenoid valve 70 is opened, so, the comdenstion water in ponding portion 20 relies on gravity to flow in filter module 40 by ponding portion 20, water pump 80 is opened, the comdenstion water in ponding portion 20 relies on water pump 80's suction flow, namely, the comdenstion water flows in filter module 40 by ponding portion 20 under solenoid valve 70 and water pump 80's dual function, and then flow in water tank 30, recycle in order to realize rivers. This structure sets up through sensor 60, solenoid valve 70, the cooperation of water pump 80 and controller, realized the accurate judgement to the ponding degree of depth, just can start solenoid valve 70 and water pump 80 when the ponding memory space reaches the default, under the condition of guaranteeing the effective recovery of rivers, the energy consumption has been reduced, the use cost of product has been reduced, avoid not having ponding existence or ponding volume to open solenoid valve 70 and water pump 80 when too little and lead to the condition emergence of extravagant resource, the performance and the market competition of product have been promoted.

Specifically, the water pump 80 is a direct flow type diaphragm pump, which has advantages of being capable of air-pumping and having low noise.

In one embodiment of the present invention, preferably, the sensor 60 is a water immersion sensor 60; the range of the distance from the water sensor 60 to the inner bottom wall of the water accumulation part 20 is 0.1mm to 5 mm.

In this embodiment, the sensor 60 is a water sensor 60, which can monitor whether there is accumulated water in the water accumulation portion 20 in real time, and the accumulated water amount, thereby realizing real-time monitoring of the condensed water and timely drainage. Specifically, the electrodes of the water sensor 60 are attached to the inner wall of the water reservoir 20, and when the water sensor 60 detects water accumulation and the water level of the water accumulation exceeds the electrodes of the water sensor 60 by a certain height, an alarm is given to prompt the user to pay attention.

In addition, through the value range of the distance of reasonable setting water logging sensor 60 to the interior diapire of ponding portion 20, make it satisfy and be 0.1mm to 5mm, can realize effectively detecting the purpose of ponding degree of depth. If the distance from the water sensor 60 to the inner bottom wall of the water accumulation part 20 is less than 0.1mm, the accumulated water in the water accumulation part 20 is small or is drained, and if the electromagnetic valve 70 and the water pump 80 are opened according to the accumulated water, the water suction effect is poor or the water pump 80 is empty, so that the resource is wasted, and the energy consumption is high; if the distance of water sensor 60 to the interior diapire of ponding portion 20 is greater than 5mm, then the ponding amount of water in the ponding portion 20 is too big, and the save time of ponding is longer, easily breeds the bacterium, can pollute the water source, and then can cause edible potential safety hazard, in addition, can cause to draw water not thoroughly, easily causes the remaining problem of comdenstion water.

Specifically, the distance from the sensor 60 to the inner bottom wall of the water accumulating tank 202 is in a range of 0.1mm to 5mm, and the water accumulating portion 20 is located at the bottom of the cooking cavity.

In one embodiment of the present invention, preferably, the water accumulation portion 20 is located above the water outlet of the solenoid valve 70; wherein, the value range of the distance from the water outlet to the outer bottom wall of the water accumulation part 20 is 5mm to 50 mm.

In this embodiment, through reasonable setting ponding portion 20 for solenoid valve 70 assembly structure for ponding portion 20 is located the top of the delivery port of solenoid valve 70, and the comdenstion water can borrow like this and flow to solenoid valve 70 by the action of gravity, with the degree of difficulty that reduces follow-up suction comdenstion water, is favorable to reducing the energy consumption.

In addition, through the value range of the distance of the outer diapire of reasonable setting delivery port to ponding portion 20, make it satisfy 5mm to 50mm, if the distance of delivery port to the outer diapire of ponding portion 20 is less than 5mm, then, the distance undersize between ponding portion 20 and the delivery port of solenoid valve 70, be unfavorable for the autonomous flow of rivers, can increase the degree of difficulty of suction rivers, if the distance of delivery port to the outer diapire of ponding portion 20 is greater than 50mm, then, the distance between ponding portion 20 and the delivery port of solenoid valve 70 is too big, can increase ponding portion 20 and the occupancy of solenoid valve 70 to 1 inner space of steam cooking device, be unfavorable for realizing steam cooking device 1's frivolousization. Specifically, the distance from the water outlet to the outer bottom wall of the water accumulating portion 20 is 25 mm.

In one embodiment of the present invention, preferably, the connection tube 50 is a silicone tube; the inner diameter of the connection pipe 50 ranges from 3mm to 7 mm; the outer diameter of the connection pipe 50 ranges from 6mm to 10 mm.

In this embodiment, the connection tube 50 is a silicone tube, which has elasticity, excellent high temperature and low temperature resistance, and good oil resistance and is not easily broken. Through the value range of the internal diameter and the external diameter that set up connecting pipe 50 rationally, realized the effect of effective water conservancy diversion under the structural strength's of guaranteeing connecting pipe 50 the condition. Specifically, the inner diameter of the connection pipe 50 is 5mm, and the outer diameter of the connection pipe 50 is 8 mm.

In a specific embodiment, the steam cooking device 1 comprises a filtering module 40 for filtering and adsorbing accumulated water in the cooking cavity, so that the problems of blockage of a connecting pipe 50, failure of an electromagnetic valve 70, blockage of a water pump 80 and the like are avoided; the steam cooking device 1 comprises a filtering module 40 for filtering and adsorbing accumulated water in the cooking cavity, so that the water tank 30 is prevented from being polluted by recovered condensed water, and the cleanness of the water tank 30 and the cooking experience of a user are guaranteed; the bottom of the water accumulation part 20 is provided with a water logging sensor 60 which can monitor whether water is accumulated in the water accumulation part 20 or not and the water accumulation amount in real time, thereby realizing real-time monitoring of condensed water and real-time drainage; the recovery process of the condensed water is carried out simultaneously in the cooking process, and the opening time of the electromagnetic valve 70 and the water pump 80 is fed back by the signal sensed by the water sensor 60, so that the effective recovery of the condensed water in the cooking cavity and the reutilization in the cooking process can be realized, the cruising time of the water tank 30 can be further improved, the size of the water tank 30 is reduced, and more space is saved for the whole machine; the bottom of the cooking cavity is recycled by condensed water close to 100 ℃, so that the waste of heat is reduced, the sensible heat of the condensed water is fully utilized, the water temperature of the water tank 30 is improved, the water temperature of the steam generator inlet of the steam cooking device 1 is further improved, and the energy efficiency of the whole machine is improved.

In a particular embodiment, the steam cooking device 1 comprises: a steaming oven and a steaming box. The steam cooking device 1 includes a water sensor 60, a water accumulating part 20, a filtering hole 204, a connecting pipe 50, an electromagnetic valve 70, a filtering module 40, a water pump 80, and the like.

In a specific embodiment, the control method of the steam cooking device 1: during the cooking process, when the water sensor 60 detects that the height of the condensed water stored in the water accumulation part 20 reaches a certain degree (submerges the water sensor 60), the electromagnetic valve 70 is opened, the condensed water in the water accumulation groove 202 starts to flow into the connecting pipe 50 from the filtering hole 204 by virtue of gravity, the water pump 80 is opened after being started for a delay of t seconds (t is more than or equal to 0.1s and less than or equal to 5s), the condensed water at the bottom of the water accumulation part 20 starts to flow by virtue of the suction force of the water pump 80, the accumulated water flows into the connecting pipe 50 after passing through the electromagnetic valve 70 and then flows into the filtering module 40, the accumulated water flows into the connecting pipe 50 after being subjected to the filtering and adsorbing effects of the modules, flows into the.

In the specific embodiment, the water sensor 60 is a contact water sensor 60, the electrode of the sensor 60 is attached to a certain height position (0.1 mm-5mm from the lowest surface of the bottom water collecting tank 202) on the surface of the water collecting part 20, when the water sensor 60 detects water accumulation and the water level of the water accumulation exceeds the certain height position of the electrode of the water sensor 60, the water sensor 60 outputs a resistance value and gives an alarm, the electromagnetic valve 70 and the water pump 80 relay are sequentially opened to start the recovery work of condensed water, and when the water sensor 60 cannot detect the existence of the water accumulation, the relay of the electromagnetic valve 70 and the water pump 80 is closed after 0.1s-5s delay, the recovery work of the condensed water is stopped, and the process is repeated.

In the embodiment, the water accumulating part 20 is disposed at the bottom of the cooking cavity, and the inner wall of the water accumulating groove 202 has a certain inclination, so that the accumulated water in the cooking cavity smoothly flows to the low-lying part of the water accumulating part 20, thereby facilitating the centralized recovery of the condensed water.

In a specific embodiment, the filtering holes 204 are disposed in the middle of the bottom wall of the water collecting tank 202, and the more specific structure is a filtering metal plate with more small holes, the diameter of the filtering holes 204 ranges from 1mm to 5mm, preferably 3mm, and the filtering holes are used for preliminarily filtering the cavity water and discharging filtered condensed water, filtering out larger particles such as food residues and grease, and avoiding blockage of the connecting pipe 50 and the water pump 80 and influence on reutilization of the recovered water.

In a specific embodiment, the water outlet of the solenoid valve 70 is 5mm to 50mm lower than the bottom wall of the water collecting tank 202, preferably 25mm, so as to ensure that the collected water can smoothly flow down by gravity when the solenoid valve 70 is opened.

In the specific embodiment, steam cooking device 1 includes filter house 404 and adsorption part 406, filter house 404 adopts the cotton filter core of PP, the main effect is for filtering the tiny food waste in the comdenstion water, particulate matter such as grease, adsorption part 406 adopts the granule activated carbon filter core, the main effect is for adsorbing the pigment that carries in the comdenstion water, peculiar smell etc. filter house 404 and adsorption part 406 are placed in filter module 40 in tandem respectively, and whole filter module 40 can be dismantled, thereby be convenient for the inspection and the change of filter core.

In the embodiment, the water pump 80 is a direct flow type diaphragm pump, which has the advantages of air pumping and low noise, and the diaphragm pump is used for pumping the condensed water treated by the filtering module 40 back to the water tank 30, thereby realizing the recycling.

In a specific embodiment, the connecting tube 50 is a silicone tube, the inner diameter of the connecting tube 50 is 5mm, and the outer diameter of the connecting tube 50 is 8 mm.

In the embodiment, through the structure that rationally sets up steam cooking device 1 for the comdenstion water that gathers in the bottom of the effectual recovery culinary art chamber in time does not need the user to clear up the ponding of culinary art intracavity after the culinary art is finished specially, thereby for the user time and the physical power that have reduced the cost, makes user's experience feel better. The structure of the steam cooking device 1 of the invention can effectively reduce the accumulated water by about 80 percent, and finally the accumulated water amount can be controlled below 30 g; the recovered condensate water is specially treated by the filtering module 40, so that the cleanliness of the recovered condensate water is ensured, the situations of blocking the connecting pipe 50, the water pump 80 and even the water tank 30 and the like are avoided, and the pollution of accumulated water to the water quality of the water tank 30 and the water tank 30 is also avoided; the recovered condensed water is specially treated by the filtering module 40 and can be pumped back into the water tank 30 for reuse, so that the water is saved, the endurance time of the water tank 30 is prolonged, and a larger space is provided for reducing the size of the water tank 30 and miniaturizing the whole machine. The water accumulation amount which can be recovered by the steam cooking device 1 accounts for 20% of the total water consumption of the 30min pure steaming cooking mode, namely the steam cooking device 1 can improve the endurance time of the water tank by about 20%, so that unnecessary water adding operation during cooking by a user can be avoided, and the experience of the user is greatly improved; whether the electromagnetic valve 70 and the water pump 80 work is influenced by the resistance signal of the water immersion sensor 60, so that accumulated water can be effectively treated in real time.

Fig. 5 is a schematic flowchart illustrating a control method of a steam cooking apparatus according to a first embodiment of the present invention.

As shown in fig. 5, a control method of a steam cooking apparatus according to a first embodiment of a second aspect of the present invention includes:

s502, acquiring water accumulation depth data of a water accumulation part of the steam cooking device;

s504, determining that the water accumulation depth data is larger than or equal to a first preset value, and controlling to open an electromagnetic valve and a water pump of the steam cooking device to drain water.

In the embodiment, the comdenstion water that steam cooking device during operation produced gathers in ponding portion, and then flows through filter module, and then in flowing into the water tank, filter module can filter out impurity such as food waste, grease of mixing in the comdenstion water, and then can guarantee the cleanliness of the water of flowing into the water tank by ponding portion, the condition of avoiding polluting the water in the water tank takes place, and can reduce the possibility of breeding the bacterium, the culinary art process health environmental protection of having guaranteed food, promote user's use and experience. Meanwhile, the situation that a connecting pipe or even a water tank is blocked can be avoided, the using continuity of the product is guaranteed, the probability of cleaning and maintaining the product is reduced, and the service life of devices in the steam cooking device is prolonged.

In the embodiment, the ponding position is in the bottom of culinary art chamber, so, when steam cooking device during operation, receive the effect of gravity comdenstion water can drip and assemble in the bottom of culinary art chamber, so, can promote the collection efficiency to the comdenstion water. In addition, ponding position is located the bottom of culinary art chamber, so, can carry out recycle with the nearly 100 degrees centigrade comdenstion water of the bottom position department of culinary art chamber, reducible thermal loss, the sensible heat of make full use of comdenstion water, so, can improve the temperature of water tank, and then improve the temperature of steam generator entry of steam cooking device, be favorable to improving the efficiency of complete machine.

Fig. 6 is a schematic flowchart illustrating a control method of a steam cooking apparatus according to a second embodiment of the present invention.

As shown in fig. 6, a control method of a steam cooking apparatus according to a second embodiment of a second aspect of the present invention includes:

s602, acquiring water accumulation depth data of a water accumulation part of the steam cooking device;

s604, determining that the accumulated water depth data is larger than or equal to a first preset value, and controlling to open the water pump after the electromagnetic valve is controlled to be opened for a first preset time.

In this embodiment, the solenoid valve is opened, so, comdenstion water in the ponding portion relies on gravity to flow in by ponding portion and filters the module, the water pump is opened in the first time of predetermineeing the back of the control again, make the comdenstion water in the ponding portion rely on the suction flow of water pump to flow, promptly, through the opportunity of opening of injecing solenoid valve and water pump, make the comdenstion water flow out and open the water pump again behind the ponding portion inflow solenoid valve, and then can avoid just opening the water pump under the condition that the comdenstion water does not flow out the ponding portion, and then cause the condition of water pump idle.

Fig. 7 is a schematic flowchart illustrating a control method of a steam cooking apparatus according to a third embodiment of the present invention.

As shown in fig. 7, a control method of a steam cooking apparatus according to a third embodiment of the second aspect of the present invention includes:

s702, acquiring accumulated water depth data of a water accumulation part of the steam cooking device;

s704, determining that the accumulated water depth data is larger than or equal to a first preset value, and controlling to open the water pump after the electromagnetic valve is controlled to be opened for a first preset time;

s706, determining that the accumulated water depth data is smaller than a second preset value, and controlling to close the electromagnetic valve and the water pump after second preset time; and the second preset value is smaller than the first preset value.

In this embodiment, it is determined that the accumulated water depth data is smaller than the second preset value, which indicates that the condensed water in the water accumulating portion is less at this time, and therefore, after the second preset time, the electromagnetic valve and the water pump are controlled to be closed, so that the condensed water in the water accumulating portion is completely discharged. Namely, through delaying closing solenoid valve and water pump, avoid when confirming that ponding degree of depth data is less than the second default, close solenoid valve and water pump at once, and then lead to still storing up the condition emergence that a small amount of comdenstion water easily breeds the bacterium in the ponding portion, guaranteed the health nature of food culinary art, promoted the culinary art effect of food.

Fig. 8 shows a schematic flowchart of a control method of a steam cooking apparatus according to a fourth embodiment of the present invention.

As shown in fig. 8, a control method of a steam cooking apparatus according to a fourth embodiment of the second aspect of the present invention includes:

s802, acquiring water accumulation depth data of a water accumulation part of the steam cooking device;

s804, determining that the ponding depth data is larger than or equal to a first preset value, and giving an alarm;

s806, controlling the electromagnetic valve to be opened until a first preset time, and then controlling the water pump to be opened;

s808, determining that the accumulated water depth data is smaller than a second preset value, and controlling to close the electromagnetic valve and the water pump after second preset time; and the second preset value is smaller than the first preset value.

In this embodiment, the user is prompted to pay attention to the operation of discharging the condensed water in the water reservoir portion by giving an alarm, so that the user can know the operation state of the steam cooking apparatus in time.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steam cooking device, comprising:

a housing provided with a cooking cavity;

the water accumulation part is positioned in the cooking cavity and used for accommodating accumulated water;

a water tank disposed within the housing;

and the filtering module is arranged in the shell and positioned outside the cooking cavity, and two ends of the filtering module are respectively communicated with the water accumulation part and the water tank through connecting pipes.

2. Steam cooking device according to claim 1,

the filtration module includes:

the body is provided with a filter cavity, and an inlet and an outlet of the filter cavity are respectively communicated with the water accumulation part and the water tank;

a filter portion located within the filter cavity adjacent the inlet;

and the adsorption part is positioned in the filtering cavity and is close to the outlet.

3. Steam cooking device according to claim 1,

the water accumulation part is provided with a water accumulation groove;

the bottom wall of the water accumulating tank is provided with a plurality of filtering holes.

4. Steam cooking device according to claim 3,

the side wall of the water accumulating tank is obliquely arranged, and the area of an area surrounded by the opening of the water accumulating tank is larger than the area of the bottom wall of the water accumulating tank;

wherein the diameter of the filtering holes ranges from 1mm to 5 mm.

5. The steam cooking device of any one of claims 1 to 4, further comprising:

the sensor is arranged in the water accumulation part and used for detecting the depth of accumulated water in the water accumulation part;

the electromagnetic valve is arranged on the connecting pipe and is positioned between the water accumulation part and the filtering module;

the water pump is arranged on the connecting pipe and is positioned between the filtering module and the water tank;

and the controller is arranged in the shell and is connected with the sensor, the electromagnetic valve and the water pump.

6. Steam cooking device according to claim 5,

the sensor is a water immersion sensor;

the range of the distance between the water sensor and the inner bottom wall of the water accumulation part is 0.1mm to 5 mm.

7. Steam cooking device according to claim 5,

the water accumulation part is positioned above the water outlet of the electromagnetic valve;

wherein, the range of the distance between the water outlet and the outer bottom wall of the water accumulation part is 5mm to 50 mm.

8. Steam cooking device according to one of the claims 1 to 4,

the connecting pipe is a silicone tube;

the inner diameter of the connecting pipe ranges from 3mm to 7 mm;

the range of the outer diameter of the connecting pipe is 6mm to 10 mm.

9. A control method of a steam cooking apparatus for the steam cooking apparatus according to any one of claims 1 to 8, characterized in that the control method of the steam cooking apparatus comprises:

acquiring water accumulation depth data of a water accumulation part of the steam cooking device;

and determining that the accumulated water depth data is greater than or equal to a first preset value, and controlling to open an electromagnetic valve and a water pump of the steam cooking device for draining.

10. The control method of the steam cooking device according to claim 9,

the step of controlling to open solenoid valve and water pump of steam cooking device specifically includes:

and after the electromagnetic valve is controlled to be opened for a first preset time, the water pump is controlled to be opened.

11. The control method of the steam cooking device according to claim 9,

after the step of controlling to open the electromagnetic valve of the steam cooking device and the water pump for draining, the method further comprises the following steps of:

determining that the accumulated water depth data is smaller than a second preset value, and controlling to close the electromagnetic valve and the water pump after second preset time; wherein the second preset value is smaller than the first preset value.

12. The control method of the steam cooking device of any one of claims 9 to 11, wherein after the step of determining that the water accumulation depth data is greater than or equal to a first preset value, further comprising: an alarm is issued.