Control method of refrigerator and refrigerator

Abstract

The application provides a refrigerator control method and refrigerator. The refrigerator comprises a storage compartment and a storage container. The storage container comprises a magnetic guide, an electric coil and a drawer. The drawer is pullably matched with the magnetic guide. The first section and the third section of the magnetic guide are provided with protruding parts. The first induction coil and the second induction coil are respectively wound around the two protruding parts. The control method comprises the following steps: in response to new food being put into the drawer, the storage parameters are re-determined; the first voltage of the electric coil in the storage parameters before the new food is put in is obtained; the second voltage of the electric coil in the re-determined storage parameters is obtained; whether the first voltage is equal to the second voltage is judged. If not, the first induction coil and / or the second induction coil is controlled to be closed, and the second voltage is applied to the electric coil. The first induction coil and the second induction coil can generate an induced magnetic field when the magnetic field changes, and hinder the change of the magnetic field of the electric coil, so that the magnetic field change rate can be reduced, and the magnetic field change in the drawer can be avoided from being too fast.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of refrigeration and freezing, in particular to a refrigerator control method and a refrigerator. BACKGROUND

[0002] As a common household appliance, a refrigerator can realize low-temperature storage to prolong the storage time of food. In order to provide a better user experience, the freshness-keeping function of the refrigerator is increasingly valued. Studies have found that a magnetic field has a great influence on the freshness-keeping effect of food. Specifically, by applying a magnetic field to meat food, the food can still maintain a fresh meat state at a negative temperature, thereby ensuring the quality such as taste of the food on the basis of improving the storage time.

[0003] However, after new food is put into the storage space, the magnetic field sometimes needs to be adjusted. Because there are previously stored foods in the refrigerator, too fast change of the magnetic field can easily cause the storage environment of the previous food to change too fast so that the previous food freezes and loses the fresh meat state, affecting the food freshness-keeping effect. SUMMARY

[0004] An object of the present application is to provide a refrigerator control method and a refrigerator capable of solving any of the above problems.

[0005] A further object of the present application is to avoid freezing of the previous food during the cooling process of the new food.

[0006] Another further object of the present application is to avoid freezing of the food due to too low temperature of the food.

[0007] In particular, the present application provides a refrigerator control method, the refrigerator comprising a storage compartment and a storage container provided in the storage compartment, the storage container comprising a magnetic conducting piece, an electric coil and a drawer, the magnetic conducting piece having a first section, a second section and a third section connected in sequence, the drawer being pullably matched with the magnetic conducting piece and being between the first section and the third section in a vertical direction, the electric coil being wound on the second section, one side of the first section and the third section facing the drawer being provided with a protrusion part facing the drawer, and the two protrusion parts being respectively wound with a first induction coil and a second induction coil; the control method comprising:

[0008] re-determining storage parameters in response to the new food being put into the drawer;

[0009] obtaining a first voltage of the electric coil in the storage parameters before the new food is put in;

[0010] obtaining a second voltage of the electric coil in the re-determined storage parameters;

[0011] determining whether the first voltage is equal to the second voltage, and if not, controlling the first induction coil and / or the second induction coil to be closed, and applying the second voltage to the electric coil.

[0012] Optionally, the step of controlling the first induction coil and / or the second induction coil to be closed comprises:

[0013] determining whether a difference between the first voltage and the second voltage is greater than or equal to a preset threshold, and if so, controlling the first induction coil and the second induction coil to be closed, and if not, controlling the first induction coil or the second induction coil to be closed.

[0014] Optionally, the step of determining whether the first voltage is equal to the second voltage comprises:

[0015] obtaining a first storage temperature in a storage parameter before new food is put in;

[0016] obtaining a second storage temperature in a re-determined storage parameter;

[0017] controlling the first induction coil and the second induction coil to be closed;

[0018] determining whether the second storage temperature is less than the first storage temperature, and if so, controlling a damper to be opened to cool the storage compartment, and if not, controlling the damper to be opened after a preset time.

[0019] Optionally, a side wall of the drawer or a side wall of the storage compartment is provided with a first temperature sensor,

[0020] The step of determining whether the second storage temperature is less than the first storage temperature comprises:

[0021] obtaining a first detection temperature of the first temperature sensor;

[0022] determining whether an absolute value of a difference between the first detection temperature and the second storage temperature is within a preset range, and if so, controlling the first induction coil and the second induction coil to be disconnected, and if not, keeping the damper opened.

[0023] Optionally, if the first detection temperature is greater than the second storage temperature and a difference between the first detection temperature and the second storage temperature is greater than or equal to a first temperature threshold, the first induction coil and the second induction coil are controlled to be disconnected.

[0024] Optionally, an inner bottom wall of the drawer is provided with a second temperature sensor,

[0025] The step of controlling the first induction coil and the second induction coil to be disconnected comprises:

[0026] obtaining a second detection temperature of the second temperature sensor;

[0027] determining whether the difference between the second detection temperature and the first detection temperature is less than or equal to a second temperature threshold, if yes, controlling the second induction coil to be closed, if no, controlling the first induction coil and the second induction coil to be opened.

[0028] Optionally, the step of re-determining the storage parameter comprises:

[0029] obtaining the types of all food materials in the drawer;

[0030] determining the storage parameter according to the types of all food materials.

[0031] Optionally, the step of determining the storage parameter according to the types of all food materials comprises:

[0032] obtaining the storage parameter range of each food material;

[0033] determining the storage parameter common to all food materials.

[0034] Optionally, before the step of determining the storage parameter according to the types of all food materials, the method further comprises:

[0035] obtaining the existing quantity of food materials in the drawer;

[0036] determining whether the existing quantity is the same as the historical quantity of food materials, if yes, executing the step of determining the storage parameter according to the types of all food materials, if no, outputting a reminder.

[0037] In another aspect of the present application, a refrigerator is also provided, comprising:

[0038] a cabinet body formed with a storage compartment;

[0039] a storage container comprising a magnetic conducting member, an electric coil and a drawer, the magnetic conducting member having a first section, a second section and a third section connected in sequence, the drawer being pullably matched with the magnetic conducting member and being located between the first section and the third section in a vertical direction, the electric coil being wound around the second section, one side of the first section and the third section facing the drawer being provided with a protrusion part facing the drawer, the first induction coil and the second induction coil being wound around the two protrusion parts respectively;

[0040] a controller comprising a memory and a processor, wherein the memory stores a machine executable program, and the machine executable program is executed by the processor to implement the control method of the refrigerator of any one of the above.

[0041] The refrigerator of the present application can generate a magnetic field by winding an electric coil around the second section of the magnetic guide, and the magnetic guide can guide the magnetic field so that the magnetic field is directed from the first section (or the third section) to the third section (or the first section) when the electric coil is energized. Since the drawer is located between the first section and the third section, the magnetic field directed from the first section (or the third section) to the third section (or the first section) passes through the inside of the drawer and covers the entire space of the drawer. Also, the magnetic field can pass through the first induction coil wound around the first section and the induction coil of the third section. The control method includes re-determining the storage parameter in response to the food being put into the drawer, obtaining the first magnetic field strength in the re-determined storage parameter, obtaining the second magnetic field strength in the current storage parameter, determining whether the first magnetic field strength is equal to the second magnetic field strength, and adjusting the voltage of the electric coil and controlling the first induction coil and / or the second induction coil to be closed if they are not equal. Specifically, the first induction coil and the second induction coil are closed when new food is put into the refrigerator, and the magnetic field needs to be adjusted. Then the voltage of the electric coil is changed, at this time, the magnetic field strength passing through the first induction coil and the second induction coil changes. Therefore, the first induction coil and the second induction coil generate an induced current, and the first induction coil and the second induction coil generating the induced current can generate a magnetic field. Since the magnetic field generated by the induction coil can hinder the change of the magnetic field of the electric coil, the change rate of the magnetic field can be reduced, and the change of the magnetic field in the drawer is too fast, which can cause the previously put food to freeze and lose the fresh meat state.

[0042] Further, the refrigerator control method of the present application controls the first induction coil and the second induction coil to be closed, acquires the first storage temperature in the storage parameter before the new food is put in, acquires the second storage temperature in the newly determined storage parameter, judges whether the second storage temperature is less than the first storage temperature, if yes, controls the air door to be opened to cool the storage compartment, if not, controls the air door to be opened after a preset time. Specifically, because the newly put-in food is at room temperature, and the previous food is at a lower temperature, in the cooling process, the initial temperature of the previous food is low, which is easy to cause the previous food to freeze compared with the new food. Therefore, by closing the first induction coil and the second induction coil, the first induction coil and the second induction coil generate a certain amount of heat, which to some extent avoids the temperature of the previous food from dropping too much. When the second storage temperature is less than the first storage temperature, it means that under the new storage condition, the temperature of the previous food can be lower than the current temperature. That is, the temperature of the previous food still has a margin for further decrease. Therefore, cooling can be directly started. When the second storage temperature is greater than or equal to the first storage temperature, it means that under the new storage condition, the temperature of the previous food needs to be higher than the current temperature. If cooling is directly started, the previous food is easy to freeze and lose the fresh meat state. Therefore, by opening the air door after a preset time, that is, by using the heat generated by the first induction coil and the second induction coil to heat the previous food at a lower temperature for a certain period of time, the freezing of the previous food in the cooling process and the loss of the fresh meat state are avoided.

[0043] Further, the refrigerator control method of the present application controls the first induction coil and the second induction coil to be closed, acquires the first storage temperature in the storage parameter before the new food is put in, acquires the second storage temperature in the newly determined storage parameter, judges whether the second storage temperature is less than the first storage temperature, if yes, controls the air door to be opened to cool the storage compartment, if not, controls the air door to be opened after a preset time. Specifically, because the newly put-in food is at room temperature, and the previous food is at a lower temperature, in the cooling process, the initial temperature of the previous food is low, which is easy to cause the previous food to freeze compared with the new food. Therefore, by closing the first induction coil and the second induction coil, the first induction coil and the second induction coil generate a certain amount of heat, which to some extent avoids the temperature of the previous food from dropping too much. When the second storage temperature is less than the first storage temperature, it means that under the new storage condition, the temperature of the previous food can be lower than the current temperature. That is, the temperature of the previous food still has a margin for further decrease. Therefore, cooling can be directly started. When the second storage temperature is greater than or equal to the first storage temperature, it means that under the new storage condition, the temperature of the previous food needs to be higher than the current temperature. If cooling is directly started, the previous food is easy to freeze and lose the fresh meat state. Therefore, by opening the air door after a preset time, that is, by using the heat generated by the first induction coil and the second induction coil to heat the previous food at a lower temperature for a certain period of time, the freezing of the previous food in the cooling process and the loss of the fresh meat state are avoided.

[0044] The above and other objects, advantages and features of the present application will become more apparent from the following detailed description of specific embodiments thereof, when taken in conjunction with the accompanying drawings in which: BRIEF DESCRIPTION OF DRAWINGS

[0045] Some specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. The same reference numbers in different drawings denote the same or similar components or parts. It should be understood by those skilled in the art that the drawings are not necessarily drawn to scale. In the drawings:

[0046] Figure 1 is a schematic view of a refrigerator according to an embodiment of the present application;

[0047] Figure 2 is a schematic cross-sectional view of a storage container in a refrigerator according to an embodiment of the present application;

[0048] Figure 3 is a schematic magnetic field view of a storage container in a refrigerator according to an embodiment of the present application;

[0049] Figure 4 is a schematic block diagram of a refrigerator according to an embodiment of the present application;

[0050] Figure 5 is a schematic flowchart of a control method of a refrigerator according to an embodiment of the present application;

[0051] Figure 6 is a schematic flowchart of a step of controlling the first induction coil and / or the second induction coil to be closed in a control method of a refrigerator according to an embodiment of the present application;

[0052] Figure 7 is a schematic flowchart of a control method of a refrigerator according to another embodiment of the present application;

[0053] Figure 8 is a schematic flowchart after a step of determining whether the second storage temperature is less than the first storage temperature in a control method of a refrigerator according to an embodiment of the present application;

[0054] Figure 9 is a schematic flowchart before a step of controlling the first induction coil and the second induction coil to be disconnected in a control method of a refrigerator according to an embodiment of the present application;

[0055] Figure 10 is a schematic flowchart of a step of re-determining a storage parameter in a control method of a refrigerator according to an embodiment of the present application. DETAILED DESCRIPTION

[0056] It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present application, not all the embodiments of the present application, and are intended to explain the technical principles of the present application, not to limit the protection scope of the present application. Based on the embodiments provided by the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should fall within the protection scope of the present application.

[0057] It is to be appreciated that the logic and / or steps represented in the flow diagrams and / or described herein, for example, can be considered as a sequence of executable instructions, and can be embodied in any computer-readable medium for use by an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions, or a combination thereof.

[0058] As shown in Figure 1 and Figure 2 In one embodiment, the refrigerator 1 comprises a cabinet 10, a storage container 20 and a door body 30. The cabinet 10 is formed with a storage compartment 110. The storage container 20 is arranged in the storage compartment 110. The door body 30 is pivotally connected with the cabinet 10, and is used to close the storage compartment 110.

[0059] Further, the storage container 20 comprises a magnetic conducting member 210, an electric coil 220 and a drawer 230. The magnetic conducting member 210 has a first section 211, a second section 212 and a third section 213 connected in sequence. The drawer 230 is pullably matched with the magnetic conducting member 210 and is between the first section 211 and the third section 213 in the vertical direction. The electric coil 220 is wound on the second section 212. The first section 211 and the third section 213 are provided with a protrusion 214 facing the drawer 230, and the first section 211 and the third section 213 are respectively wound with a first induction coil 215 and a second induction coil 216.

[0060] As shown in Figure 1 and Figure 2 Specifically, the magnetic conducting member 210 has the first section 211, the second section 212 and the third section 213 integrally formed. The first section 211, the second section 212 and the third section 213 jointly constitute a structure with a cross-sectional shape similar to a "U" shape, the first section 211 and the third section 213 constitute side portions of the "U" shape, and the second section 212 constitutes an end portion of the "U" shape. The area of the side of the first section 211 and the third section 213 facing the drawer 230 is greater than the projection area of the drawer 230 on the horizontal plane.

[0061] The drawer 230 is inserted into the space between the first section 211 and the third section 213 from the opening opposite to the second section 212, so that the first section 211 can cover the top of the drawer 230, the second section 212 can cover the back of the drawer 230, and the third section 213 can cover the bottom of the drawer 230. Specifically, in use, the user can pull the drawer 230 out of the magnetic conductor 210 in the front-rear direction of the refrigerator, so that the first section 211 no longer covers the top of the drawer 230, and then the user can put food into the drawer 230. Accordingly, by pushing the drawer 230 to the closed position, the first section 211 can cover the top of the drawer 230, the second section 212 can cover the back of the drawer 230, and the third section 213 can cover the bottom of the drawer 230.

[0062] It should be noted that in some other embodiments of the present application, the second section 212 can also be located on the left side or the right side of the drawer 230.

[0063] Continuing to refer to Figures 1 to 2 As shown in the figure, the side of the first section 211 facing the drawer 230 is provided with a protrusion 214 facing the drawer 230, and the side of the third section 213 facing the drawer 230 is also provided with a protrusion 214. The protrusion 214 of the first section 211 is provided with a first induction coil 215, and the protrusion 214 of the second section 212 is provided with a second induction coil 216.

[0064] In combination Figure 3 As shown in the figure, when the electric coil 220 is supplied with current, the electric coil 220 can generate a magnetic field. As Figure 3 indicated by the arrow in the figure, under the guidance of the magnetic conductor 210, the magnetic field is directed from the first section 211 to the third section 213. In other words, because the electric coil 220 is wound on the second section 212, when the electric coil 220 is supplied with current, it is equivalent to making the first section 211 and the third section 213 become N and S poles respectively (as indicated by N and S in the figure). Figure 3 At the same time, because the first section 211 and the third section 213 cover the top and the bottom of the drawer 230 respectively, the magnetic field directed from the first section 211 to the third section 213 passes through the inside of the drawer 230 and covers the entire space of the drawer.

[0065] Further, in the case that the electric coil 220 is energized, the generated magnetic field passes through the first induction coil 215 and the second induction coil 216. Therefore, when the magnetic field generated by the electric coil 220 changes, the first induction coil 215 and the second induction coil 216 can generate induced current in the case that the first induction coil 215 and the second induction coil 216 are closed. The induction coil generating induced current can generate a magnetic field, and because the magnetic field generated by the induction coil can hinder the change of the magnetic field of the electric coil 220, the change amplitude of the magnetic field can be reduced, and the magnetic field in the drawer 230 can be prevented from fluctuating greatly.

[0066] In the scheme of the embodiment, the magnetic field between the first section 211 and the third section 213 passes through the inside of the drawer 230 and covers the entire space of the drawer 230, so that a relatively uniform magnetic field is formed in the drawer 230. Moreover, the first section 211, the second section 212 and the third section 213 of the magnetic conductive member 210 are connected in sequence, that is, three sections in one, so the structure is simple and easy to install.

[0067] Moreover, the three-section magnetic conductive member 210 and the electric coil 220 cooperate, and only one electric coil 220 is needed to form a relatively uniform magnetic field, reducing the number of electric coils and simplifying the circuit structure. The first section of the magnetic conductive member 210 covers the top of the drawer 230, which also plays a role in avoiding direct blowing of cold air on food, which is beneficial to reducing the temperature fluctuation of food and more conducive to keeping the food fresh.

[0068] Moreover, by winding the induction coil on the protruding part 214, when the magnetic field generated by the electric coil 220 changes, the changing magnetic field can cause the induction coil to generate induced current. The induction coil generating induced current can generate a magnetic field, and because the magnetic field generated by the induction coil can hinder the change of the magnetic field of the electric coil 220, the change rate of the magnetic field can be reduced, and the freezing of food caused by too fast change of the storage environment can be avoided, so that the fresh meat state of the food can be kept.

[0069] As shown in Figure 1 The box body 10 is provided with a refrigeration cavity 120, and the refrigeration cavity 120 is provided with an evaporator and a fan. The rear side wall of the storage compartment 110 is provided with an air door 130, and the air door 130 communicates the refrigeration cavity 120 and the storage compartment 110. Therefore, the started fan can blow the cold quantity in the refrigeration cavity 120 into the storage compartment 110 through the opened air door 130, so as to refrigerate the storage compartment 110.

[0070] As shown in Figure 4 The refrigerator 1 further comprises a controller 40, and the controller 40 comprises a memory 41 and a processor 42. The memory 41 stores an executable program, and the processor 42 can execute the program in the memory 41, so as to execute the control method in any of the embodiments.

[0071] AsFigure 5 As shown, in one embodiment, the control method of the refrigerator generally comprises:

[0072] Step S501, in response to the food material being put into the drawer, the storage parameter is re-determined.

[0073] Step S503, the first voltage of the electric coil in the storage parameter before the new food material is put in is obtained.

[0074] Step S505, the second voltage of the electric coil in the re-determined storage parameter is obtained.

[0075] Step S507, it is judged whether the first voltage is equal to the second voltage, if not, step S509 is executed.

[0076] Step S509, the first induction coil and / or the second induction coil is controlled to be closed, and the second voltage is applied to the electric coil.

[0077] Specifically, in the refrigeration process, different storage parameters need to be adopted for different food materials stored in the drawer 230, or different storage parameters need to be adopted according to different total storage amounts. The storage parameter at least includes the magnetic field strength and the storage temperature. Therefore, when the new food material is put into the drawer 230, the storage parameter needs to be re-determined. That is, after the new food material is put into the drawer 230, the refrigerator 1 re-determines the storage parameter. Then, the first voltage of the electric coil 220 in the storage parameter adopted by the refrigerator 1 before the new food material is put in is obtained. That is, the voltage of the electric coil 220 before the new food material is put in. The second voltage of the electric coil 220 in the re-determined storage parameter, that is, the voltage required by the electric coil 220 in the storage process after the new food material is put in, is obtained. If the first voltage is not equal to the second voltage, that is, the voltage of the electric coil 220 needs to be changed, that is, the magnetic field needs to be changed. Then, the first induction coil 215 and / or the second induction coil 216 is controlled to be closed, and the second voltage is applied to the electric coil 220 again.

[0078] Exemplarily, at present, fish meat is stored in the drawer 230, and the electric coil 220 in the current storage parameter adopts the first voltage. During the storage process, pork is put into the drawer 230 again, the storage parameter is re-determined, and the electric coil 220 needs to adopt the second voltage after the determination. Or, at present, pork is stored in the drawer 230, and the electric coil 220 in the current storage parameter adopts the first voltage. During the storage process, pork is put into the drawer 230 again, the total storage amount is increased, the storage parameter needs to be re-determined, and the electric coil 220 needs to adopt the second voltage after the determination. The first voltage is not equal to the second voltage. Therefore, the first induction coil 215 and the second induction coil 216 are first closed, and then the second voltage is applied to the electric coil 220.

[0079] In the scheme of the embodiment, when new food is put into the refrigerator 1, so that the magnetic field needs to be adjusted, the first induction coil 215 and the second induction coil 216 are closed. Then the voltage of the electric coil 220 is changed, at this time, the magnetic field intensity through the first induction coil 215 and the second induction coil 216 changes. Therefore, the first induction coil 215 and the second induction coil 216 generate induced current, and the first induction coil 215 and the second induction coil 216 generating induced current can generate a magnetic field, because the magnetic field generated by the induction coil can hinder the change of the magnetic field of the electric coil, so the magnetic field change rate can be reduced. And because the previous food is kept in the fresh state under the suitable storage parameters, by reducing the magnetic field change rate, the magnetic field change in the drawer 230 can be avoided too fast, so as to effectively avoid the previous food from freezing and losing the fresh state.

[0080] It should be noted that the electric coil 220 can be powered by direct current or alternating current. In the case of alternating current, the first voltage and the second voltage represent the amplitude of the voltage.

[0081] As shown in Figure 6 , the step of controlling the first induction coil and / or the second induction coil to be closed generally includes:

[0082] Step S601, determine whether the difference between the first voltage and the second voltage is greater than or equal to a preset threshold, if yes, execute step S603, if no, execute step S605.

[0083] Step S603, control the first induction coil and the second induction coil to be closed.

[0084] Step S605, control the first induction coil or the second induction coil to be closed.

[0085] Specifically, under the condition that the first voltage is not equal to the second voltage, if the difference between the first voltage and the second voltage is greater than or equal to the preset threshold, it means that the magnetic field changes greatly, so the first induction coil 215 and the second induction coil 216 are all closed. If the difference between the first voltage and the second voltage is less than the preset threshold, it means that the magnetic field changes slightly, so one of the first induction coil 215 and the second induction coil 216 is closed. Thus, the induction coil is closed according to the degree of change of the magnetic field, so that the change rate of the magnetic field is more reasonable.

[0086] As shown in Figure 7 , in one embodiment, the control method of the refrigerator generally includes:

[0087] Step S701, determine whether the first voltage is equal to the second voltage, if no, execute step S703, if yes, execute step S705.

[0088] Step S703, control the first induction coil and / or the second induction coil to be closed, and apply a second voltage to the electric coil. Step S705 is performed.

[0089] Step S705, obtain the first storage temperature in the storage parameter before the new food is put in.

[0090] Step S707, obtain the second storage temperature in the re-determined storage parameter.

[0091] Step S709, control the first induction coil and the second induction coil to be closed.

[0092] Specifically, if the first induction coil 215 and the second induction coil 216 have been closed before, the closed state is maintained, and if not, they are closed at this stage.

[0093] Step S711, determine whether the second storage temperature is less than the first storage temperature. If yes, step S713 is performed, and if not, step S715 is performed.

[0094] Step S713, control the damper to be opened to cool the storage compartment.

[0095] Step S715, control the damper to be opened after a preset time.

[0096] Specifically, when the new food is put in the drawer 230, on the one hand, the voltage of the electric coil 220 is re-determined. On the other hand, the storage temperature is re-determined. The first storage temperature in the storage parameter adopted by the refrigerator 1 before the new food is put in is obtained. That is, the storage temperature before the new food is put in. The second storage temperature in the re-determined storage parameter, i.e., the storage temperature required by the refrigerator 1 in the storage process after the new food is put in, is obtained. Then, the first induction coil 215 and the second induction coil 216 are controlled to be closed.

[0097] If the second storage temperature is less than the first storage temperature, that is, the storage temperature required after the new food is put in is lower than the previous storage temperature, the damper 130 is directly controlled to be opened to start cooling. If the second storage temperature is not less than the first storage temperature, that is, the storage temperature required after the new food is put in is higher than the previous storage temperature, the damper 130 is controlled to be opened to start cooling after a preset time.

[0098] It can be understood that because the newly put-in food is at room temperature and the previous food is at a lower temperature, in the cooling process, the initial temperature of the previous food is low, which is easy to cause the previous food to freeze compared to the new food. Therefore, by closing the first induction coil 215 and the second induction coil 216, a certain amount of heat is generated by the first induction coil 215 and the second induction coil 216, which to some extent avoids the temperature of the previous food from dropping too much.

[0099] When the second storage temperature is lower than the first storage temperature, it means that under the new storage conditions, the temperature of the previous food can be lower than the current temperature. In other words, the temperature of the previous food still has room to drop. Therefore, refrigeration can begin directly. When the second storage temperature is greater than or equal to the first storage temperature, it means that under the new storage conditions, the temperature of the previous food needs to be higher than the current temperature. If the temperature is lowered directly, the previous food could easily freeze and lose its freshness. Therefore, by opening the damper 130 after a preset time, the heat generated by the first induction coil 215 and the second induction coil 216 is used to heat the previously lower-temperature food for a certain period of time, thereby preventing the previous food from freezing and losing its freshness during the cooling process.

[0100] It should be noted that in this embodiment, the coil 220 is powered by alternating current.

[0101] like Figure 2 As shown, the refrigerator 1 is equipped with a first sensor 240. The first sensor 240 is installed on the side wall of the drawer 230 or on the side wall of the storage compartment 110.

[0102] like Figure 8 As shown, further, after the step of determining whether the second storage temperature is lower than the first storage temperature, the following is included:

[0103] Step S801: Obtain the first detected temperature from the first temperature sensor.

[0104] Step S803: Determine whether the absolute value of the difference between the first detection temperature and the second storage temperature is within a preset range. If yes, proceed to step S805; otherwise, proceed to step S807.

[0105] Step S805: Control the first induction coil and the second induction coil to disconnect.

[0106] Step S807: Keep the damper open.

[0107] Specifically, when the second storage temperature is lower than the first storage temperature, the storage temperature needs to be lowered. The absolute value of the difference between the first and second storage temperatures must be within a preset range, i.e., whether the temperature has dropped to a suitable level. When the second storage temperature is not lower than the first storage temperature, because a preset heating time has been applied, the storage temperature also needs to be lowered to reach the second storage temperature. The absolute value of the difference between the first and second storage temperatures must also be within a preset range, i.e., whether the temperature has dropped to a suitable level.

[0108] Therefore, if the absolute value of the difference between the first detected temperature and the second storage temperature is within the preset range, it indicates that the storage temperature has reached a suitable level. Then, the first induction coil 215 and the second induction coil 216 are disconnected to prevent them from generating excess heat. If the first detected temperature is greater than the second storage temperature and the difference between them is not within the preset range, further cooling is required.

[0109] In another embodiment, if the first detection temperature is greater than the second storage temperature and the difference between the first detection temperature and the second storage temperature is greater than or equal to the first temperature threshold, the first induction coil 215 and the second induction coil 216 are disconnected.

[0110] In other words, when the difference between the first detection temperature and the second storage temperature is too large (including when the difference between the first detection temperature and the second storage temperature is already large, or when the difference between the first detection temperature and the second storage temperature becomes large after heating for a preset time), the first induction coil 215 and the second induction coil 216 are disconnected to neutralize the excessive heat and achieve rapid cooling.

[0111] like Figure 2 As shown, a second temperature sensor 250 is provided on the inner bottom wall of drawer 230.

[0112] like Figure 9 As shown, further, the step of controlling the first and second induction coils to disconnect includes:

[0113] Step S901: Obtain the second detection temperature from the second temperature sensor.

[0114] Step S903: Determine whether the difference between the second detection temperature and the first detection temperature is less than or equal to the second temperature threshold. If yes, proceed to step S905; otherwise, proceed to step S907.

[0115] Step S905: Control the second induction coil to close.

[0116] Step S907: Control the first induction coil and the second induction coil to disconnect.

[0117] It should be noted that at this time, both the second and first detection temperatures are negative, and the second temperature threshold is also negative. The smaller the difference between the second and first detection temperatures, the greater the gap between them.

[0118] Specifically, because the second temperature sensor is closer to the food, it can detect the temperature of the area close to the food. When the difference between the second detected temperature and the first detected temperature is greater than the first temperature threshold, it indicates that the overall temperature difference of the entire storage compartment 110 is not large, at this time, the first induction coil 215 and the second induction coil 216 are controlled to be disconnected. When the difference between the second detected temperature and the first detected temperature is less than or equal to the first temperature threshold, it indicates that the temperature at the second temperature sensor is too low compared to the temperature at the first sensor, that is, the temperature of the area close to the food is too low, so the second induction coil 216 is closed to generate an induced current to generate heat and heat the bottom of the drawer 230, avoiding freezing of the food due to too low temperature.

[0119] In addition, after controlling the first induction coil and the second induction coil to be disconnected, the damper is controlled to be closed.

[0120] As shown in FIG. 1, Figure 10 In one embodiment, the step of re-determining the storage parameter includes:

[0121] In step S1001, the types of all food in the drawer are obtained.

[0122] Specifically, the user can manually input the type of food each time the food is put in, and the refrigerator records it.

[0123] In step S1003, the storage parameter is determined according to the types of all food.

[0124] Specifically, the storage parameter range of each type of food is obtained, and the storage parameter common to all food is determined. For example, in the case where fish and meat are stored in the refrigerator, pork is also stored. Then, the storage parameter range of fish and pork is obtained, and the storage parameter common to both is determined.

[0125] Alternatively, the step of re-determining the storage parameter can be to obtain the storage parameter of the set gear. For example, there are three gears for fish and meat, three gears for pork, and two gears for mixed storage of fish and pork. When new food is put in, the user can select the gear according to the storage condition, and the refrigerator adjusts the voltage and temperature according to the new gear. Alternatively, the refrigerator can obtain the storage quantity of the food, and determine the set gear according to the storage quantity. For example, when the quantity of pork is small, the first gear for pork is selected, when the quantity of pork is large, the second gear for pork is selected, and when the quantity of pork is very large, the third gear for pork is selected.

[0126] In addition, before the step of determining the storage parameter according to the types of all food, it includes:

[0127] The existing quantity of food in the drawer is obtained; it is judged whether the existing quantity is the same as the historical quantity of food, if yes, the step of determining the storage parameter according to the types of all food is executed, if no, a prompt is output.

[0128] Specifically, the refrigerator 1 can be provided with an image acquisition device to acquire images of the food materials in the drawer 230. By acquiring the images of the food materials in the drawer 230, the quantity of the food materials stored in the drawer 230 can be obtained.

[0129] Preferably, a plurality of storage areas can be divided in the drawer 230 to make the images clearer.

[0130] Further, the user inputs new food materials each time, and the refrigerator records the quantity of the new food materials, i.e. the historical quantity of the food materials. If the existing quantity is the same as the historical quantity of the food materials, it means that no food materials have been consumed, and the step of determining the storage parameters according to the types of all the food materials is executed. If the existing quantity is not the same as the historical quantity of the food materials, it means that some food materials have been consumed, and a reminder (including voice, light, and intelligent screen display, etc.) is output to remind the user to modify the quantity and types of the food materials to avoid errors in the storage parameters.

[0131] At this point, those skilled in the art should recognize that, although the present application has been fully illustrated and described herein with reference to a plurality of exemplary embodiments, many other variants or modifications in accordance with the principles of the present application can be directly determined or deduced from the disclosure of the present application without departing from the spirit and scope of the present application. Therefore, the scope of the present application should be understood and recognized as covering all such other variants or modifications.

Claims

1. A control method for a refrigerator, the refrigerator comprising a storage compartment and a storage container disposed within the storage compartment, the storage container comprising a magnetic conductor, an electric coil, and a drawer, the magnetic conductor having a first segment, a second segment, and a third segment connected in sequence, the drawer being slidably fitted with the magnetic conductor and positioned vertically between the first segment and the third segment, the electric coil being wound around the second segment, the first segment and the third segment having protrusions facing the drawer on their sides, and two of the protrusions having a first induction coil and a second induction coil wound around them respectively; the control method comprising: In response to new ingredients being placed in the drawer, the storage parameters are re-established; Obtain the first voltage of the coil in the storage parameters before adding new ingredients; Obtain the second voltage of the coil in the redefined storage parameters; Determine whether the first voltage is equal to the second voltage; if not, control the first induction coil and / or the second induction coil to close, and apply the second voltage to the coil. The step of determining whether the first voltage is equal to the second voltage is followed by: Obtain the first storage temperature from the storage parameters before adding new ingredients; Obtain the second storage temperature from the redefined storage parameters; Control the first induction coil and the second induction coil to close; Determine whether the second storage temperature is lower than the first storage temperature. If so, control the damper to open to cool the storage chamber. If not, control the damper to open after a preset time.

2. The refrigerator control method according to claim 1, wherein, The step of controlling the closure of the first induction coil and / or the second induction coil includes: Determine whether the difference between the first voltage and the second voltage is greater than or equal to a preset threshold. If yes, control the first induction coil and the second induction coil to close; if no, control the first induction coil or the second induction coil to close.

3. The refrigerator control method according to claim 1, wherein, A first temperature sensor is provided on the side wall of the drawer or the side wall of the storage compartment. The step of determining whether the second storage temperature is lower than the first storage temperature includes: Obtain the first detected temperature from the first temperature sensor; Determine whether the absolute value of the difference between the first detected temperature and the second stored temperature is within a preset range. If yes, control the first induction coil and the second induction coil to disconnect. If no, keep the damper open.

4. The refrigerator control method according to claim 3, wherein, If the first detected temperature is greater than the second storage temperature and the difference between the first detected temperature and the second storage temperature is greater than or equal to the first temperature threshold, the first induction coil and the second induction coil are controlled to disconnect.

5. The refrigerator control method according to claim 3, wherein, A second temperature sensor is installed on the inner bottom wall of the drawer. Prior to the step of disconnecting the first induction coil and the second induction coil, the following is included: Obtain the second detected temperature from the second temperature sensor; Determine whether the difference between the second detected temperature and the first detected temperature is less than or equal to the second temperature threshold. If yes, control the second induction coil to close; otherwise, control the first induction coil and the second induction coil to open.

6. The refrigerator control method according to claim 1, wherein, The step of redetermining the storage parameters includes: Obtain the types of all ingredients in the drawer; Determine storage parameters based on the types of all ingredients.

7. The refrigerator control method according to claim 6, wherein, The step of determining storage parameters based on the types of all ingredients includes: Obtain the storage parameter range for each ingredient; Determine storage parameters that are universal for all ingredients.

8. The refrigerator control method according to claim 6, wherein, Before the step of determining storage parameters based on the types of all ingredients, the following steps are included: Obtain the current quantity of ingredients in the drawer; Determine whether the current quantity is the same as the historical quantity of ingredients. If yes, proceed to the step of determining storage parameters based on the types of all ingredients. If no, output a reminder.

9. A refrigerator, comprising: The container has storage compartments. A storage container includes a magnetic conductor, an electric coil, and a drawer. The magnetic conductor has a first section, a second section, and a third section connected in sequence. The drawer is pull-out and engages with the magnetic conductor, and is positioned vertically between the first section and the third section. The electric coil is wound around the second section. The first section and the third section have protrusions facing the drawer on their sides. A first induction coil and a second induction coil are wound around the two protrusions, respectively. A controller includes a memory and a processor, wherein the memory stores a machine-executable program that, when executed by the processor, implements the control method for a refrigerator according to any one of claims 1 to 8.

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