CN115919138A - Food storage assembly and heating control method thereof - Google Patents

Abstract

The invention discloses a food storage assembly and a heating control method thereof, relates to the technical field of food storage equipment, and solves the technical problems that a heating and refrigerating integrated lunch box in the prior art is large in size and weight, low in space utilization rate and inconvenient to place and manage in a centralized mode. The food storage assembly comprises a storage box and a placing cabinet, wherein the storage box is provided with an accommodating cavity, the accommodating cavity is used for storing food, a compartment is arranged in the placing cabinet, the storage box is placed in the compartment, a heating assembly and a refrigerating assembly are arranged in the placing cabinet, the heating assembly is used for heating the storage box, and the refrigerating assembly is used for refrigerating the storage box. Compared with the heating and refrigerating integrated lunch box in the prior art, the food storage assembly has the advantages that the heating assembly and the refrigerating assembly are arranged in the placing cabinet, so that the storage box is not required to be carried with the heating assembly and the refrigerating assembly, the size and the weight of the storage box can be reduced, and the space utilization rate of the storage box can be improved.

Description

Food storage assembly and heating control method thereof

Technical Field

The invention relates to the technical field of food storage equipment, in particular to a food storage assembly and a heating control method thereof.

Background

In the current society, people attach high attention to food safety problems and demand for healthy diet, more and more office workers choose to cook and bring to the company, and at the moment, the storage mode and the convenient heating mode of food are concerned by people. With the increasing number of people with meals, the unified storage management requirements of companies on the lunch boxes are met. At present, various cold and hot integrated lunch boxes appear in the market.

For example, a portable lunch box integrating heating and cooling is disclosed in the prior art. This portable lunch-box includes: heating seat and container box, heating seat can dismantle with the container box and be connected, and the heating seat is including being used for heating refrigerated heating refrigerating plant to the lunch-box. This portable lunch-box possesses heating and refrigeration function simultaneously, and daily use only needs carry the container box, convenient and fast. However, in order to meet the purpose of heating and cooling, the lunch box needs to be provided with a heating and cooling device, so that the volume and the dead weight of the lunch box are increased undoubtedly, the space utilization rate of the lunch box is reduced, and centralized placement and management are not convenient.

Another prior art discloses a cabinet is placed to solar disinfection lunch-box. This place cabinet includes the cabinet body, a pedestal, first board, the second turns over the board, the third turns over the board, the ultraviolet lamp, converter and battery, the cabinet body sets up on the base, converter and battery all set up inside the base, first board that turns over passes through the hinge setting at the top of the cabinet body, the second turns over board and the third turns over the board and passes through the hinge setting respectively on cabinet body both sides lateral wall, first board that turns over, the second turns over the board, the third turns over and all arranges on board and the cabinet body backplate and be provided with the solar photovoltaic board, can turn into the electric energy with light energy, and store in the battery, every lunch-box of the internal portion of cabinet all sets up an ultraviolet lamp in placing the space, and supply power through the battery. This place cabinet can realize that the lunch-box is concentrated and place the demand of management, but its itself except utilizing solar energy disinfection, can not realize the refrigeration heating function.

Therefore, in order to meet the requirements of heating and refrigerating the lunch box and simultaneously facilitate the centralized placement management of the lunch box, the lunch box and the placement cabinet in the prior art are urgently needed to be improved.

Disclosure of Invention

One of the purposes of the invention is to provide a food storage assembly, which solves the technical problems of large volume and weight, low space utilization rate and inconvenience in centralized placement and management of a heating and refrigerating integrated lunch box in the prior art. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.

In order to realize the purpose, the invention provides the following technical scheme:

the food storage assembly comprises a storage box and a placing cabinet, wherein the storage box is provided with an accommodating cavity, the accommodating cavity is used for storing food, a compartment is arranged in the placing cabinet, the storage box is placed in the compartment, a heating assembly and a refrigerating assembly are arranged in the placing cabinet, the heating assembly is used for heating the storage box, and the refrigerating assembly is used for refrigerating the storage box.

According to a preferred embodiment, the heating assembly comprises a heating water tank and a circulating water tank, wherein the heating water tank and the circulating water tank are both communicated with the compartment, the heating water tank is also communicated with the circulating water tank, the heating water tank is used for heating to generate steam, and the circulating water tank is used for collecting condensed water generated in the compartment.

According to a preferred embodiment, a first heat insulation plate is arranged in the storage box, the storage box is divided into a plurality of accommodating cavities by the first heat insulation plate, at least part of the accommodating cavities are further provided with water vapor channels, and the water vapor channels are communicated with the chambers and are used for supplying water vapor to circulate.

According to a preferred embodiment, the water vapor channel is vertically arranged in the accommodating cavity, the surface of the water vapor channel is of an arc structure, and the outer diameter of the water vapor channel is gradually reduced from one end close to the bottom surface of the accommodating cavity to one end far away from the bottom surface of the accommodating cavity.

According to a preferred embodiment, a steam chamber is arranged below the accommodating cavity, the steam chamber is communicated with the steam channel, an air inlet is further arranged at the bottom of the steam chamber, a steam air channel is arranged in the chamber, and when the storage box is placed in the chamber, the air inlet is clamped at the steam air channel.

According to a preferred embodiment, a second heat insulation plate is further arranged in the water vapor chamber, and the second heat insulation plate is used for separating the accommodating cavity provided with the water vapor channel from the accommodating cavity not provided with the water vapor channel.

According to a preferred embodiment, the storage box further comprises a cover body, the cover body covers the accommodating cavity, and a through hole is formed in the cover body, the through hole is communicated with the water vapor channel, and water vapor in the water vapor channel flows out through the through hole.

According to a preferred embodiment, a control valve is disposed at the water vapor duct, the control valve has an open state and a closed state, and when the control valve is in the open state, the water vapor duct is communicated with the air inlet, and when the control valve is in the closed state, the water vapor duct is separated from the air inlet.

According to a preferable embodiment, a heat insulation layer is further arranged in the compartment, and the water vapor duct is arranged in the heat insulation layer.

According to a preferred embodiment, the cross-sectional area of the insulating layer is smaller than the bottom area of the compartment, and a gap is formed between the periphery of the insulating layer and the wall surface of the compartment, and the gap is formed as a water tank.

According to a preferred embodiment, the top wall of the compartment is of a sloping configuration and the height of the top wall decreases from the middle of the compartment towards the sides of the compartment.

According to a preferred embodiment, the food storage assembly further comprises a temperature sensing assembly, the temperature sensing assembly is disposed in the storage box, and the temperature sensing assembly is used for detecting the temperature in the storage box.

The food storage component provided by the invention at least has the following beneficial technical effects:

the food storage assembly comprises a storage box and a placing cabinet, wherein the storage box is provided with an accommodating cavity, the accommodating cavity is used for storing food, a compartment is arranged in the placing cabinet, the storage box is placed in the compartment, a heating assembly and a refrigerating assembly are arranged in the placing cabinet, the heating assembly is used for heating the storage box, and the refrigerating assembly is used for refrigerating the storage box, so that the heating and refrigerating of the food in the storage box can be realized. Compared with the heating and refrigerating integrated lunch box in the prior art, the food storage assembly has the advantages that the heating assembly and the refrigerating assembly are arranged in the placing cabinet, so that the storage box does not need to be carried with the heating assembly and the refrigerating assembly, the size and the weight of the storage box can be reduced, and the space utilization rate of the storage box can be improved; meanwhile, the heating assembly and the refrigerating assembly are arranged in the placing cabinet, so that the placing cabinet has heating and refrigerating functions, and the technical problem that the placing cabinet in the prior art does not have the heating and refrigerating functions is solved. On the other hand, the food storage assembly of the invention places the storage box in the compartment in the storage cabinet, and is convenient for centralized management of the storage box.

A second object of the present invention is to provide a heating control method for a food storage assembly.

The heating control method of the food storage assembly in any technical scheme of the invention comprises the following steps of 5:

starting a heating mode, and controlling a control valve at the steam air duct to be opened;

acquiring real-time temperature in the storage box, and comparing the acquired real-time temperature with preset temperature;

and in the preset heating time, when the acquired real-time temperature exceeds the preset temperature, the control valve is controlled to be closed, and when the acquired real-time temperature is lower than the preset temperature, the control valve is controlled to be opened.

0 the heating control method of the food storage assembly provided by the invention at least has the following beneficial technical effects:

according to the heating control method of the food storage assembly, the heating mode is started, the control valve at the steam air channel is controlled to be opened, the real-time temperature in the storage box is obtained, the obtained real-time temperature is compared with the preset temperature, and when the obtained real-time temperature exceeds the preset temperature within the preset heating duration

When the temperature is preset, the control valve is controlled to be closed, and when the acquired real-time temperature is lower than the preset temperature, the step of opening the control valve is controlled by 5, so that the food in the storage box can be heated.

Drawings

In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is apparent that the following description

The drawings in the figures are only some embodiments of the invention, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without paying 0 inventive work.

FIG. 1 is a schematic view of a preferred embodiment of a storage case of the present invention;

FIG. 2 is a schematic view of a preferred embodiment of the holding cabinet of the present invention;

FIG. 3 is a cross-sectional view of the storage case of the present invention disposed in the compartment;

FIG. 4 is a schematic rear view of a preferred embodiment of the compartment of the present invention;

FIG. 5 is a schematic view showing the flow of water vapor and condensed water when the cartridge of the present invention is heated;

fig. 6 is a flow chart of a preferred embodiment of the heating control method of the food storage assembly of the present invention.

In the figure: 10. a storage box; 101. an accommodating chamber; 102. a first heat insulation plate; 103. a water vapor passage; 104. a water vapor chamber; 105. an air inlet; 106. a cover body; 107. a through hole; 20. a placing cabinet; 201. a compartment; 202. heating the water tank; 203. a circulating water tank; 204. a steam duct; 205. a heat-insulating layer; 206. a water tank; 207. a top wall; 208. a water vapor duct inlet; 209. a turbulent fan mounting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The food storage assembly and the heating control method thereof according to the present invention will be described in detail with reference to the accompanying drawings 1 to 6 and examples 1 and 2 of the specification.

Example 1

The present embodiment describes the food storage assembly of the present invention in detail.

The food storage assembly of the present embodiment includes a storage box 10 and a cabinet 20, as shown in fig. 1 to 3. Preferably, the storage box 10 has a containing cavity 101, the containing cavity 101 is used for storing food, a compartment 201 is arranged in the storage cabinet 20, the storage box 10 is arranged in the compartment 201, and a heating assembly and a refrigerating assembly are arranged in the storage cabinet 20, the heating assembly is used for heating the storage box 10, and the refrigerating assembly is used for refrigerating the storage box 10, as shown in fig. 1 to 3. In the food storage assembly of the present embodiment, the storage box 10 is, for example, a lunch box, and the storage cabinet 20 is a lunch box storage cabinet. The food storage assembly of the embodiment can be used in places where people such as companies and schools concentrate, and not only is the food convenient to refrigerate and heat by users, but also the centralized management can be facilitated.

The food storage assembly of this embodiment, including storing box 10 and placing cabinet 20, wherein, stores box 10 and has the chamber that holds, holds the intracavity and is used for storing food, places to be provided with the compartment in the cabinet 20, stores box 10 and places in the compartment to placing and being provided with heating element and refrigeration subassembly in the cabinet 20, heating element is used for heating storage box 10, and refrigeration subassembly is used for storing box 10 refrigeration, thereby can realize heating and refrigeration to storing food in the box 10. It can be seen that, compared with the heating and cooling integrated lunch box in the prior art, the heating component and the cooling component are arranged in the placing cabinet 20 in the embodiment, so that the storage box 10 does not need to carry the heating component and the cooling component, the volume and the weight of the storage box 10 can be reduced, and the space utilization rate of the storage box 10 can be improved, that is, the food storage component in the embodiment solves the technical problems that the heating and cooling integrated lunch box in the prior art has large volume and weight, low space utilization rate and is inconvenient to centrally place and manage; simultaneously, this embodiment sets up heating element and refrigeration subassembly in placing cabinet 20 for place cabinet 20 and possess heating and refrigeration function, still solved prior art and placed cabinet 20 and do not have the technical problem who heats the refrigeration function. On the other hand, the food storage assembly of the present embodiment, with the storage box 10 being placed in the compartment of the storage cabinet 20, can also facilitate the centralized management of the storage box 10.

According to a preferred embodiment, the heating assembly comprises a heating water tank 202 and a circulation water tank 203, wherein both the heating water tank 202 and the circulation water tank 203 are in communication with the compartment 201, the heating water tank 202 is also in communication with the circulation water tank 203, and the heating water tank 202 is used for heating to generate steam, and the circulation water tank 203 is used for collecting condensed water generated in the compartment 201, as shown in fig. 5. Specifically, a heater is provided in the heating water tank 202 for heating water in the water tank to generate steam. The direction of the arrows in fig. 5 shows the flow direction of the water vapor and the condensed water. As shown in fig. 5, in the food storage assembly according to the preferred embodiment of the present invention, high-temperature steam is generated by heating the water tank 202, and then the steam enters the compartment 201, so that the temperature in the compartment 201 can be raised, and the storage box 10 placed in the storage cabinet 20 can be heated; on the other hand, after the water vapor enters the compartment 201, because the temperature of the wall surface of the compartment 201 is low, the water vapor is condensed into water to be attached to the wall surface of the compartment 201, and then the condensed water can flow into the circulating water tank 203, so that the condensed water in the compartment 201 on the wall surface is excessive; further, the condensed water collected in the circulating water tank 203 can enter the heating water tank 202 again for heating, so that the recycling of the water source is realized.

According to a preferred embodiment, a first heat insulation plate 102 is provided inside the storage box 10, the first heat insulation plate 102 divides the storage box 10 into a plurality of accommodating chambers 101, at least a part of the accommodating chambers 101 are further provided with a water vapor passage 103, and the water vapor passage 103 is communicated with the compartment 201 and is used for supplying water vapor to circulate, as shown in fig. 1. Preferably, the water vapor passage 103 is located in the middle of the accommodating chamber 101. As shown in FIG. 1, two first heat insulation plates 102 are disposed in the storage box 10 to divide the storage box 10 into 4 accommodating chambers 101, and the 4 accommodating chambers 101 can be used for accommodating different kinds of food. For example: the 4 accommodating cavities 101 can be used for accommodating hot dishes, cold dishes, rice and soup respectively. In the food storage assembly of the preferred technical solution of this embodiment, the accommodating cavity 101 is further provided with the water vapor channel 103, so that the water vapor entering the compartment 201 enters the water vapor channel 103, thereby heating the food from the middle of the storage box 10, and improving the heating effect of the food in the storage box 10; the water vapor channel 103 is arranged only in part of the accommodating cavity 101, so that cold dishes can be contained in the accommodating cavity 101 without the water vapor channel 103, and the applicability of the storage box 10 is improved; on the other hand, the storage box 10 is divided into a plurality of accommodating cavities 101 by the first heat insulation board 102, so that the problem that the taste of the food is changed due to the mutual influence of the temperatures of the accommodating cavities 101 can be avoided.

According to a preferred embodiment, the water vapor channel 103 is vertically arranged in the accommodating chamber 101, the surface of the water vapor channel 103 is of an arc structure, and the outer diameter of the water vapor channel 103 gradually decreases from one end close to the bottom surface of the accommodating chamber 101 to one end far away from the bottom surface of the accommodating chamber 101, as shown in fig. 1 and 3. In the food storage assembly of the preferred technical scheme of the embodiment, the surface of the water vapor channel 103 is of an arc-shaped structure, so that the contact area between the water vapor channel 103 and the food in the accommodating cavity 101 can be increased, and the heating efficiency of the food in the accommodating cavity 101 can be improved; furthermore, because the food at the bottom of the accommodating cavity 101 is more compressed and the heating time is longer than the food at the upper part, the outer diameter of the steam channel 103 of the preferred embodiment gradually decreases from the end close to the bottom of the accommodating cavity 101 to the end far away from the bottom of the accommodating cavity 101, so that the heating effect of the food at the bottom of the accommodating cavity 101 is better than that of the food at the upper part of the accommodating cavity 101, and the food at each position in the accommodating cavity 101 is heated uniformly.

According to a preferred embodiment, a steam chamber 104 is arranged below the accommodating cavity 101, the steam chamber 104 is communicated with the steam channel 103, an air inlet 105 is further arranged at the bottom of the steam chamber 104, a steam air duct 204 is arranged in the compartment 201, and when the storage box 10 is placed in the compartment 201, the air inlet 105 is clamped at the steam air duct 204, as shown in fig. 3. Preferably, the compartment 201 is provided with a steam duct inlet 208 at the back, and the steam generated in the heating water tank 202 enters the steam duct 204 through the steam duct inlet 208, as shown in fig. 4. In the food storage component according to the preferred technical scheme of this embodiment, the steam chamber 104 is disposed below the accommodating cavity 101, steam entering the compartment 201 from the heating water tank 202 enters the steam duct 204 and then enters the steam chamber 104 through the air inlet 105, the bottom of the accommodating cavity 101 can be heated by the steam in the steam chamber 104, and meanwhile, the steam in the steam chamber 104 can also enter each steam channel 103, so as to heat food from the center of the accommodating cavity 101.

According to a preferred embodiment, a second heat insulation plate is further provided in the water vapor chamber 104 for separating the accommodating cavity 101 provided with the water vapor passage 103 from the accommodating cavity 101 not provided with the water vapor passage 103. Specifically, the air inlet 105 is located below the accommodating chamber 101 provided with the water vapor passage 103. In the food storage component according to the preferred technical scheme of the embodiment, the second heat insulation plate is further arranged in the water vapor chamber 104, and water vapor can be prevented from entering the lower part of the accommodating cavity 101 without the water vapor channel 103 under the action of the second heat insulation plate, so that food (such as cold dishes) in the accommodating cavity 101 without the water vapor channel 103 can be prevented from being heated, and the quality of the food can be ensured.

According to a preferred embodiment, the storage box 10 further comprises a cover 106, the cover 106 covers the accommodating cavity 101, and the cover 106 is provided with a through hole 107, the through hole 107 is communicated with the water vapor channel 103, and the water vapor in the water vapor channel 103 flows out through the through hole 107, as shown in fig. 1. When food is heated, the through hole 107 is aligned with the steam channel 103, so that steam in the steam channel 103 can flow out through the through hole 107 and enter the compartment 201, the compartment 201 is filled with the steam entering the compartment 201, the outer wall of the storage box 10 can be heated by the steam in the compartment 201, the food in the accommodating cavity 101 is heated, and the heating efficiency of the food in the accommodating cavity 101 can be further improved.

The food storage assembly of the preferred technical scheme of this embodiment, through set up vapor passageway 103 in holding chamber 101, set up vapor chamber 104 below holding chamber 101, set up through-hole 107 on lid 106, can make the food that holds in the chamber 101 receive the heat heating from below, center and outer wall, not only can guarantee the heating efficiency to the food in holding chamber 101, still can improve the heated homogeneity of food.

According to a preferred embodiment, a control valve is disposed at the water vapor duct 204, the control valve has an open state and a closed state, and when the control valve is in the open state, the water vapor duct 204 is communicated with the air inlet 105, and when the control valve is in the closed state, the water vapor duct 204 is separated from the air inlet 105. The control valve can be opened and closed manually or automatically. In the food storage assembly of the preferred technical solution of this embodiment, the steam duct 204 is provided with a control valve, and the steam duct 204 can be communicated with the air inlet 105 by opening the control valve, so that the steam can enter the steam chamber 104 and the steam channel 103, thereby heating the food in the accommodating cavity 101; when the food in the accommodating cavity 101 is not required to be heated, the control valve is closed, so that the water vapor in the water vapor duct 204 can be prevented from entering the water vapor chamber 104 and the water vapor passage 103.

According to a preferred embodiment, an insulating layer 205 is further disposed in the compartment 201, and the steam duct 204 is disposed in the insulating layer 205, as shown in fig. 3. Preferably, the insulation layer 205 may be made of insulation cotton. In the food storage component of the preferred technical scheme of this embodiment, the heat-insulating layer 205 is arranged in the compartment 201, and the heat-insulating effect of the heat-insulating layer 205 can prevent the heat loss of the steam in the steam duct 204 and the steam chamber 104, thereby improving the heating effect on the food in the accommodating cavity 101.

According to a preferred embodiment, the cross-sectional area of the insulating layer 205 is smaller than the bottom area of the compartment 201, and a gap is formed between the periphery of the insulating layer 205 and the wall surface of the compartment 201, the gap being formed as a water tank 206, as shown in fig. 3. Preferably, a condensed water outlet is further formed on the compartment 201, and the condensed water outlet is communicated with the circulating water tank 203. After the water vapor enters the compartment 201, because the temperature of the wall surface of the compartment 201 is low, the water vapor is condensed into water when meeting with the condensation and attached to the wall surface of the compartment 201 and flows down along with the wall surface, a water tank 206 is formed between the periphery of the heat-insulating layer 205 and the wall surface of the compartment 201 of the food storage assembly in the preferred technical scheme of the embodiment, and the water tank 206 can be used for collecting the condensed water which flows down and is discharged into the circulating water tank 203 through a condensed water outlet.

According to a preferred embodiment, the top wall 207 of the compartment 201 is of a sloping configuration and the height of the top wall 207 decreases from the middle of the compartment 201 towards the sides of the compartment 201, as shown in figures 3 and 4. In the food storage assembly of the preferred embodiment, the top wall 207 is inclined downward from the middle of the compartment 201 to the two sides of the compartment 201, so that the condensed water attached to the top wall 207 flows to the two sides along the top wall 207, flows into the water tank 206, is collected, and is discharged into the circulation water tank 203 through the condensed water outlet.

According to a preferred embodiment, the food storage assembly further comprises a temperature sensing assembly disposed in the storage box 10, and the temperature sensing assembly is used for detecting the temperature in the storage box 10. The temperature sensing component is a temperature sensor. The food storage assembly of the preferred technical scheme of this embodiment further comprises a temperature sensing assembly, and the temperature inside the storage box 10 can be monitored through the temperature sensing assembly, so that the temperature inside the storage box 10 can be controlled within a proper temperature range (such as 50-60 ℃), and the heating effect and the food quality of the food inside the storage box 10 can be ensured.

According to a preferred embodiment, the refrigeration assembly is a direct cooling refrigeration assembly. The direct-cooling type refrigeration assembly may be identical in structure to a direct-cooling type refrigeration assembly in a refrigerator. Specifically, the direct cooling type refrigeration assembly comprises a compressor, an evaporator and a condenser, wherein a refrigerant loop is formed by an air outlet of the compressor, the condenser, the evaporator and an air return port of the compressor, and refrigeration is realized. The evaporator coil is arranged in the compartment 201 or between two adjacent compartments 201, and the compartment 201 can be refrigerated through heat exchange between the air in the compartment 201 and the evaporator coil, so that the storage box 10 placed in the compartment 201 is kept in a refrigerated state, and the food can be stored conveniently. Without being limited thereto, the refrigeration assembly may also be the rest of the refrigeration structure in the prior art. The evaporator can generate the problem of frosting after being used for a long time, and the preferred technical scheme of the embodiment can utilize the water vapor generated in the heating assembly to defrost the evaporator in the circulating process, so that the energy consumption can be saved.

Preferably, a spoiler fan is further disposed on a rear surface of the compartment 201, and the spoiler fan is mounted to the spoiler fan mounting part 209, as shown in fig. 4. When food to holding in the chamber 101 refrigerates, open the vortex fan, through the effect of vortex fan, can make the air in the room 201 carry out the forced convection to the homogeneity of temperature in the room 201 improves, and then improves the cold-stored effect to holding food in the chamber 101.

The food storage assembly, the storage box 10 and the storage cabinet 20 of the preferred technical solution of this embodiment need to be used in a matched manner. Not limited thereto, when the storage box 10 not associated with the storage cabinet 20 is placed in the storage cabinet 20, only a function of cooling the storage box 10 may be realized, and a function of heating the storage box 10 may not be realized.

Example 2

The present embodiment describes the heating control method of the food storage assembly in detail.

Fig. 6 shows a flow chart of a preferred embodiment of the heating control method of the food storage assembly of the present embodiment. As shown in fig. 6, the method for controlling heating of a food storage assembly according to any of embodiments 1 includes the following steps:

step 1: the heating mode is started and the control valve at the steam duct 204 is controlled to open. The start-up heating mode may be implemented by a user manually operating the APP or a control switch on the storage case 10.

Step 2: the real-time temperature inside the storage box 10 is acquired, and the acquired real-time temperature is compared with a preset temperature. The preset temperature is, for example, 50 to 60 ℃.

And step 3: within the preset heating duration, when the acquired real-time temperature exceeds the preset temperature, the control valve is controlled to be closed, and when the acquired real-time temperature is lower than the preset temperature, the control valve is controlled to be opened. Preferably, when the preset heating time period is exceeded, the control valve is controlled to be closed. The preset heating time period is, for example, 10min. For example, setting the temperature to be 52-55 ℃, and controlling the control valve to be closed when the acquired real-time temperature is higher than 55 ℃; and when the acquired real-time temperature is lower than 52 ℃, controlling the control valve to open.

Preferably, the heating control method of the food storage assembly of the present embodiment can also control the heating time period.

In the heating control method of the food storage assembly according to any one of the technical solutions in this embodiment, the heating mode is started, the control valve at the steam duct 204 is controlled to be opened, the real-time temperature in the storage box 10 is obtained, the obtained real-time temperature is compared with the preset temperature, the control valve is controlled to be closed when the obtained real-time temperature exceeds the preset temperature within the preset heating time, and the control valve is controlled to be opened when the obtained real-time temperature is lower than the preset temperature, so that the food in the storage box 10 can be heated.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (13)

1. The food storage assembly is characterized by comprising a storage box (10) and a placement cabinet (20), wherein the storage box (10) is provided with a containing cavity (101), the containing cavity (101) is used for storing food, a compartment (201) is arranged in the placement cabinet (20), the storage box (10) is placed in the compartment (201), a heating assembly and a refrigerating assembly are arranged in the placement cabinet (20), the heating assembly is used for heating the storage box (10), and the refrigerating assembly is used for refrigerating the storage box (10).

2. A food storage assembly according to claim 1, wherein the heating assembly comprises a heating water tank (202) and a circulation water tank (203), wherein both the heating water tank (202) and the circulation water tank (203) are in communication with the compartment (201), the heating water tank (202) is also in communication with the circulation water tank (203), and the heating water tank (202) is adapted to heat to generate steam, and the circulation water tank (203) is adapted to collect condensed water generated in the compartment (201).

3. The food storage assembly of claim 2, wherein a first heat insulation plate (102) is disposed in the storage box (10), the first heat insulation plate (102) divides the storage box (10) into a plurality of accommodating cavities (101), at least a part of the accommodating cavities (101) are further provided with a water vapor channel (103), and the water vapor channel (103) is communicated with the compartment (201) and is used for circulating water vapor.

4. The food storage assembly of claim 3, wherein the water vapor channel (103) is vertically disposed in the accommodating cavity (101), the surface of the water vapor channel (103) is of an arc-shaped structure, and the outer diameter of the water vapor channel (103) is gradually reduced from one end close to the bottom surface of the accommodating cavity (101) to one end far away from the bottom surface of the accommodating cavity (101).

5. Food storage assembly according to claim 3, wherein a steam chamber (104) is arranged below the accommodating cavity (101), the steam chamber (104) is communicated with the steam channel (103), an air inlet (105) is further arranged at the bottom of the steam chamber (104), a steam duct (204) is arranged in the compartment (201), and when the storage box (10) is placed in the compartment (201), the air inlet (105) is clamped at the steam duct (204).

6. The food storage assembly of claim 5, wherein a second heat insulation plate for separating the receiving cavity (101) provided with the water vapor passage (103) from the receiving cavity (101) not provided with the water vapor passage (103) is further provided in the water vapor chamber (104).

7. The food storage assembly of claim 3, wherein the storage box (10) further comprises a cover body (106), the cover body (106) is covered on the accommodating cavity (101), and a through hole (107) is formed in the cover body (106), the through hole (107) is communicated with the water vapor channel (103), and water vapor in the water vapor channel (103) flows out through the through hole (107).

8. The food storage assembly of claim 5, wherein a control valve is disposed at the steam duct (204), the control valve having an open state and a closed state, and wherein when the control valve is in the open state, the steam duct (204) is in communication with the air inlet (105), and when the control valve is in the closed state, the steam duct (204) is separated from the air inlet (105).

9. The food storage assembly of claim 5, wherein an insulating layer (205) is further disposed within the compartment (201), and the water vapor duct (204) is disposed within the insulating layer (205).

10. The food storage assembly of claim 9, wherein the insulation layer (205) has a cross-sectional area smaller than a bottom area of the compartment (201) and has a gap between a periphery of the insulation layer (205) and a wall surface of the compartment (201), the gap forming a sink (206).

11. The food storage assembly of claim 2, wherein the top wall (207) of the compartment (201) is of a ramp configuration and the height of the top wall (207) decreases from the middle of the compartment (201) to either side of the compartment (201).

12. A food storage assembly according to any of claims 1 to 11, further comprising a temperature sensing assembly disposed within the storage bin (10) and configured to sense a temperature within the storage bin (10).

13. A method of controlling heating of a food storage assembly according to any of claims 1 to 11, comprising the steps of:

starting a heating mode, and controlling a control valve at a water vapor air duct (204) to be opened;

acquiring the real-time temperature in the storage box (10), and comparing the acquired real-time temperature with a preset temperature;

and in the preset heating time, when the acquired real-time temperature exceeds the preset temperature, the control valve is controlled to be closed, and when the acquired real-time temperature is lower than the preset temperature, the control valve is controlled to be opened.

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