Food material storage positioning method and storage medium
By setting up an electromagnetic coil at the storage unit of the food storage system, the magnetic field changes are sensed and converted into a current signal, the problem of real-time monitoring and accurate tracking of food locations in the prior art is solved, and efficient and accurate food management is achieved.
Patent Information
- Application Number
- CN202510186199.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-06-24
AI Technical Summary
It is difficult for existing food management systems to realize real-time monitoring and accurate tracking of food locations in storage space, resulting in low management efficiency and insufficient positioning accuracy.
By providing a first electromagnetic coil at each storage unit, the magnetic field change is sensed and converted into current signals, these current signals are detected to determine which storage unit has undergone food changes, thereby real-time positioning of the food location.
Real-time monitoring and precise positioning of food ingredients is achieved, the efficiency and accuracy of food management is improved, and the food tracking and management is facilitated.
Smart Images
Figure CN120194595A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of household appliances, and particularly to a method for storing and positioning food ingredients and a storage medium. Background Art
[0002] In the existing food ingredient management and tracking system, for the food ingredients placed in the storage device, the tracking and monitoring of their positions and freshness often rely on manual inventory or using identification means such as barcodes and two-dimensional codes for position recording. However, these methods are not only time-consuming and laborious, but also prone to errors, and it is difficult to achieve real-time update and accurate tracking of the positions of food ingredients.
[0003] Specifically, after the food ingredients are stored in the storage space in the existing food ingredient management system, there is often a lack of an effective mechanism to continuously monitor the positions and states of the food ingredients. Although some advanced systems attempt to use radio frequency identification technology for food ingredient tracking, these systems usually require pre-installing radio frequency identification tags on the food ingredients and reading information through readers at fixed positions. However, due to the passivity of the radio frequency identification tags and the limitation of the signal coverage range of the readers after the food ingredients are stored in the storage space, it is often impossible to achieve real-time positioning and monitoring of the food ingredient information. Summary of the Invention
[0004] One of the purposes of the present invention is to provide a method for storing and positioning food ingredients to solve the technical problems in the prior art that there is a lack of real-time monitoring of the food ingredients placed in the storage space, resulting in low efficiency of food ingredient management and insufficient accuracy of tracking and positioning.
[0005] To achieve one of the above-mentioned purposes of the present invention, the present invention provides a method for storing and positioning food ingredients, which is characterized in that it is used to locate the storage unit in which food ingredient changes occur in the storage device. The storage unit is used to place food ingredients, and the storage device includes: a first component for generating a magnetic field; a second component disposed within the range of the magnetic field generated by the first component, including a first electromagnetic coil and the storage unit, and the first electromagnetic coil is disposed at the storage unit; a control module for implementing the positioning method, and the positioning method includes: obtaining N current signals at the first electromagnetic coils corresponding to N storage units in the storage device; determining, according to the N current signals, the storage unit corresponding to the changed current signal as the target storage unit, where a food ingredient change occurs at the target storage unit, N>0, and N is an integer.
[0006] As a further improvement of an embodiment of the present invention, the first component includes a second electromagnetic coil, and the second component includes a first closed loop disposed at the first storage unit; before obtaining the N current signals at the first electromagnetic coils corresponding to the N storage units in the acquisition storage device, the method further includes: controlling a power supply to supply current to the second electromagnetic coil to generate a corresponding magnetic field; determining the current signal at the first storage unit according to the induced current generated by the first closed loop under the action of the magnetic field.
[0007] As a further improvement of an embodiment of the present invention, in accordance with the induced current generated by the first closed loop under the action of the magnetic field, the method further includes: determining whether a changing magnetic flux is generated by the first closed loop under the action of the magnetic field; the obtaining the N current signals at the first electromagnetic coils corresponding to the N storage units in the acquisition storage device includes: if so, obtaining the first current signal at the first electromagnetic coil corresponding to the first storage unit in the acquisition storage device.
[0008] As a further improvement of an embodiment of the present invention, the determining whether a changing magnetic flux is generated by the first closed loop under the action of the magnetic field includes: detecting and determining whether the magnetic field strength generated by the second electromagnetic coil changes per unit time; if so, determining that the magnetic flux passing through the first closed loop changes; and / or, detecting and determining whether the food ingredients at the storage unit change per unit time; if so, determining that the magnetic flux passing through the first closed loop changes.
[0009] As a further improvement of an embodiment of the present invention, the second component includes a first identification component, a first end of which is connected to a first end of the first electromagnetic coil, and a second end of which is connected to a second end of the first electromagnetic coil to form the first closed loop; when the food ingredients at the first storage unit change, the first identification component obtains the induced current and outputs an identification signal.
[0010] As a further improvement of an embodiment of the present invention, the determining, according to the N current signals, the storage unit corresponding to the changing current signal as the target storage unit includes: obtaining the position distribution information of the N storage units in the acquisition storage device; wherein, a corresponding first electromagnetic coil is disposed at each storage unit.
[0011] Placing M storage boxes at the corresponding storage units respectively, and determining the target storage unit according to the current signals output by each storage unit and the position distribution information, where N≥M>0 and M is an integer.
[0012] As a further improvement of an embodiment of the present invention, before obtaining the N current signals at the first electromagnetic coils corresponding to the N storage units in the storage device, the method further includes: placing M storage boxes in the corresponding M storage units according to a preset storage rule; controlling the power supply to supply current to the M first electromagnetic coils corresponding to the M storage units in sequence according to a preset power-on sequence.
[0013] As a further improvement of an embodiment of the present invention, after determining that the storage unit corresponding to the changed current signal is the target storage unit, the method further includes: obtaining the storage information at the target storage unit per unit time, and updating the latest storage information at the current target storage unit to the corresponding identification component according to the change condition of the storage information.
[0014] The obtaining the storage information at the target storage unit per unit time, and updating the latest storage information at the current target storage unit to the corresponding identification component according to the change condition of the storage information includes: obtaining the current signal from the target storage unit at the first moment, and determining the first position information according to the current signal; obtaining the current signal from the target storage unit at the second moment, and determining the second position information according to the current signal; when the first position information is inconsistent with the second position information, updating the second position information to the identification component at the target storage unit.
[0015] The obtaining the storage information at the target storage unit per unit time, and updating the latest storage information at the current target storage unit to the corresponding identification component according to the change condition of the storage information includes: obtaining the current signal from the target storage unit at the first moment, and determining the first identification information at the target storage unit according to the current signal; obtaining the current signal from the target storage unit at the second moment, and determining the second identification information at the target storage unit according to the current signal; when the first identification information is inconsistent with the second identification information, updating the second identification information to the identification component at the target storage unit.
[0016] To achieve one of the above-mentioned invention purposes, the present invention provides a computer-readable storage medium, including: at least one processor; a memory, the memory stores a computer program that can run on the processor, and when the processor executes the program, it executes the steps of the above-mentioned food ingredient storage positioning method.
[0017] Compared with the prior art, the embodiments of the present invention have at least one of the following beneficial effects:
[0018] The present invention discloses a method for storing and positioning food ingredients. By means of the first electromagnetic coil arranged at each storage unit, the change in the magnetic field is sensed and converted into an electric current signal. When the food ingredients in a certain storage unit change (such as taking away or putting in food ingredients), it will affect the magnetic field around the first electromagnetic coil at this storage unit, and then a changing electric current signal is generated. By detecting and analyzing these electric current signals, the system can determine which storage unit has a changed electric current signal, so as to accurately locate the storage unit where the food ingredient change occurs, facilitating food ingredient management and tracking. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] FIG. 1(a) is a schematic structural diagram between the base and the cover plate in the first component in an embodiment of the present invention.
[0020] FIG. 1(b) is a schematic structural diagram of the second electromagnetic coil arranged on the base in the first component in an embodiment of the present invention.
[0021] Figure 2 is a schematic structural diagram of the closed loop in the second component in an embodiment of the present invention.
[0022] FIG. 3(a) is a schematic structural diagram of the first component including several sub-regions in an embodiment of the present invention.
[0023] FIG. 3(b) is a schematic structural diagram of the fresh-keeping drawer including several fresh-keeping boxes in an embodiment of the present invention.
[0024] Figure 4 is a schematic structural diagram of the closed loop arranged in the second lid in an embodiment of the present invention.
[0025] Figure 5 is a schematic diagram of the steps of the food ingredient storage and positioning method in an embodiment of the present invention.
[0026] Figure 6 is a schematic diagram of the steps of step S2 in an embodiment of the present invention.
[0027] FIG. 7(a) is a schematic diagram of the steps after step S2 in a specific embodiment in an embodiment of the present invention.
[0028] FIG. 7(b) is a schematic diagram of the steps after step S2 in another specific embodiment in an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] The present invention will be described in detail below in conjunction with the specific embodiments shown in the drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional transformation made by those of ordinary skill in the art based on these embodiments is included within the protection scope of the present invention.
[0030] Spatial relative position terms used herein, such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are for the purpose of facilitating description to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. The spatial relative position terms may be intended to include different orientations of the device in use or operation other than the orientations shown in the figures.
[0031] For example, if the device in the figure is flipped, the unit described as being "below" or "beneath" other units or features will be located "above" other units or features. Thus, the exemplary term "below" can encompass both the upper and lower orientations. The device may be oriented in other ways (rotated 90 degrees or other orientations), and the spatially related descriptive terms used herein can be interpreted accordingly.
[0032] In the description of this application, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.
[0033] It should be noted that the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or device. In addition, the terms "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0034] An embodiment of the present invention provides a storage device. The storage device includes a first component 11 for generating a magnetic field. On the one hand, the magnetic field is used to preserve the food ingredients in the storage device. On the other hand, the magnetic field indirectly locates the storage unit where the food ingredient changes by affecting the second component 12.
[0035] In a specific embodiment, the first component 11 includes a second electromagnetic coil 6.
[0036] As shown in FIGS. 1(a) and 1(b), in one embodiment, the first component 11 includes a base 4 and a plurality of second covers 5. A second electromagnetic coil 6 is provided between the base 4 and each corresponding second cover 5. In this embodiment, the second cover 5 can fix the second electromagnetic coil 6 on the base 4 to prevent it from moving around, so as to avoid the change in the position of the second electromagnetic coil 6 resulting in uneven magnetic field distribution, which in turn affects the fresh-keeping effect of the food ingredients or the detection accuracy. Through the design of multiple second covers 5, the second covers 5 can be flexibly installed or removed according to different storage environments or requirements, so as to adjust the quantity and layout of the second electromagnetic coils 6.
[0037] In the above embodiment, all the second electromagnetic coils 6 in the first component 11 are connected in parallel to the power supply of the storage device. By being connected in parallel to the power supply, each second electromagnetic coil 6 can obtain power independently, so as to generate its own magnetic field. Under the combined action of the base 4 and the second cover 5, these magnetic fields can form a uniformly distributed magnetic field region.
[0038] In addition, being connected in parallel also means that each second electromagnetic coil 6 can be independently controlled, that is, the power supply situation of each second electromagnetic coil 6 can be adjusted as needed, so as to control the intensity and distribution of the magnetic field. It has strong flexibility and can more precisely adapt to different types of food ingredients or storage requirements.
[0039] In another embodiment, the first component 11 may also include a base 4 and a second cover 5, and a plurality of second electromagnetic coils 6 are arranged between the base 4 and the second cover 5 according to a preset position distribution. In this embodiment, by reducing the number of second covers 5, the structure of the first component 11 can be simplified, and the manufacturing cost and complexity can be reduced.
[0040] In other embodiments, the first component 11 may also include a base 4 and a second cover 5, and a second electromagnetic coil 6 is provided between the base 4 and the second cover 5. In this embodiment, the magnetic field generated by the second electromagnetic coil 6 is sufficient to cover multiple storage units.
[0041] The storage device includes a second component 12, which is arranged within the range of the magnetic field generated by the first component 11. The second component 12 includes a first electromagnetic coil 7 and a storage unit, and the first electromagnetic coil 7 is arranged at the storage unit.
[0042] In one embodiment, as Figure 2 shown, the second component 12 further includes a first closed loop 14, and the first closed loop 14 is arranged at the first storage unit in the storage device.
[0043] The second component 12 further includes a first identification component 13. The first end of the first identification component 13 is connected to the first end of the first electromagnetic coil 7, and its second end is connected to the second end of the first electromagnetic coil 7 to form the first closed loop 14.
[0044] Based on this, when the first component 11 is powered on, the first component 11 generates a magnetic field, which covers and passes through the closed loop formed by the first electromagnetic coil 1 and the connected identification component 13 in the second component 12.
[0045] In one embodiment, the first identification component 13 can be integrated into a circuit control unit. Based on this, the first end of the circuit control unit is connected to the first end of the first electromagnetic coil 7, and the second end of the circuit control unit is connected to the second end of the first electromagnetic coil 7 to form the first closed loop 14. In this embodiment, the circuit control unit can not only capture and collect the induced current, but also improve the system integration and reliability of the entire storage device.
[0046] In a specific embodiment, a switch can be provided in the circuit control unit or at any position of the first closed loop 14. When the switch is closed, the circuit between the first electromagnetic coil 7 and the identification component 13 is complete, and normal electromagnetic induction and the identification operation of the identification component can be carried out.
[0047] In a specific embodiment, the first storage unit can be arranged adjacent to the first closed loop 14 or a cover plate can be provided between the first storage unit and the first closed loop 14. In this embodiment, there is no gap between the storage unit and the closed loop, and the magnetic field can act more directly on the items placed in the storage unit, thereby achieving a better fresh-keeping effect.
[0048] In another specific embodiment, the first storage unit can also be arranged at a preset distance above the first closed loop 14. By maintaining a certain distance, the direct physical contact between the first storage unit and the first electromagnetic coil can be reduced, thereby avoiding possible electromagnetic interference or physical damage.
[0049] Continue to refer to Figure 2 As shown, the second component 12 further includes a plurality of card slots 9. The first electromagnetic coil 7 is arranged in the card slots 9 for fixing the position distribution of the first electromagnetic coil 7. The card slots 9 shown in the figure are segmented, with a total of three segments of card slots 9. Each segment of card slots 9 is an independent unit and can be added, removed or rearranged according to needs, with strong flexibility and high adaptability. Of course, Figure 2 The segmented card slots 9 shown in can also be integrated, that is, form a "U"-shaped card slot, and the first electromagnetic coil 7 is completely arranged in the card slot 9. This design has a stable structure and is simple to assemble.
[0050] In a specific embodiment, the first identification component 13 may be a radio frequency identification component, such as RFID (Radio Frequency Identification). The signal receiving end of the RFID is installed on the refrigerator and is used to receive the information sent by the RFID.
[0051] Of course, in the present invention, the second component 12 may also include a plurality of closed loops, and each closed loop is disposed at the corresponding storage unit, and no specific limitation is made thereto. For example, as shown in FIG. 3(a), nine sub-regions such as A1, A2, A3, …, A9 are respectively disposed on the base 4 of the first component 11, and a second electromagnetic coil 6 is disposed in each sub-region. The second electromagnetic coil 6 is disposed between the corresponding second cover plate 5 and the base 4. After the refrigerator power supply energizes the second electromagnetic coils 6 in the regions A1, A2, A3, …, A9, corresponding nine magnetic fields can be generated.
[0052] Correspondingly, storage units equal in number to the magnetic fields generated by the first component 11 can be provided, that is, the second component 12 includes storage units equal in number to the second electromagnetic coils 6. As shown in FIG. 3(b), taking the fresh-keeping drawer 20 as an example, the fresh-keeping drawer 20 can be installed on the refrigerator inner liner through a slide rail or a slideway and can be pulled out horizontally. A plurality of fresh-keeping boxes 21 (such as 9) can be placed in the fresh-keeping drawer 20, and each fresh-keeping box 21 can be understood as a storage unit or can be understood as being placed at the corresponding storage unit. The storage unit includes a first box cover and a first box body having an opening. The first box cover is disposed at the opening of the first box body to close or open the storage space. A first closed loop 14 formed by connecting a first electromagnetic coil 7 and a first identification component 13 is disposed in the storage unit. Specifically, it can be disposed at the bottom of the first box body or at the first box cover, as long as the magnetic field generated by the first component 11 can pass through the first closed loop, and no specific limitation is made thereto.
[0053] It can be understood that if the positions of the first component 11 and the second component 12 are too close, it may cause the action range of the magnetic field generated by the first component 11 to be too concentrated and unable to evenly cover the space inside the entire storage device. Therefore, maintaining a certain distance can ensure that the magnetic field can act on the food materials in the storage area evenly.
[0054] Such as Figure 4As shown, in a specific embodiment, the first closed loop 14 can be installed at the lid 10 of the first fresh-keeping box through the first cover plate 15. As shown in FIGS. 3(a) and 3(b), the first component 11 is disposed above the second component 12, and the first component 11 is disposed at the corresponding position above each fresh-keeping box 21. The three fresh-keeping boxes 21 shown in FIG. 3(b) correspond to the three sub-regions A7, A8, and A9 in FIG. 3(a). There are also two rows of storage units distributed inside the fresh-keeping drawer 20. Each row of storage units includes three fresh-keeping boxes 21, which are arranged from the inside to the outside and from left to right. The three fresh-keeping boxes 21 in the first row respectively correspond to the three sub-regions A1, A2, and A3 in the first component 11, and the three fresh-keeping boxes 21 in the second row respectively correspond to the three sub-regions A4, A5, and A6 in the first component 11.
[0055] When the user takes and places food ingredients each time and closes the refrigerator, the refrigerator will sequentially energize the second electromagnetic coils 7 in the areas A1-A9 to determine whether there are food fresh-keeping boxes 21 in each area; when the food fresh-keeping box 21 changes its position, when the refrigerator energizes the second electromagnetic coils 7 in the areas A1-A9, the first identification component 13 at the corresponding position responds, and the position information of the storage unit that emits the response signal is determined according to the response signal.
[0056] The storage device further includes a control module, and the control module is used to implement a food ingredient storage positioning method.
[0057] In a specific embodiment, the food ingredient storage positioning method can adopt the positioning method described below.
[0058] An embodiment of the present invention provides a refrigerator, and a storage device is disposed in the refrigerator compartment.
[0059] In one embodiment, the storage device can adopt the device described in any of the foregoing embodiments or specific embodiments.
[0060] As Figure 5 shown, in one embodiment of the present invention, a food ingredient storage positioning method is provided.
[0061] The food ingredient storage positioning method is applied to a storage device.
[0062] In one embodiment, the storage device can be set as described above, and the corresponding technical solutions are incorporated into the positioning method provided by the present invention.
[0063] As Figure 5 shown, one embodiment of the present invention provides a food ingredient storage positioning method, including the following steps.
[0064] Step S1, obtaining N current signals at the first electromagnetic coils corresponding to N storage units in the storage device;
[0065] Step S2: Determine the storage unit corresponding to the changing current signal as the target storage unit according to the N current signals, where a change in food ingredients occurs at the target storage unit.
[0066] In this way, by setting the first electromagnetic coil at each storage unit to sense the magnetic field change and convert it into a current signal, when the food ingredients in a certain storage unit change (such as taking away or putting in food ingredients), it will affect the magnetic field around the first electromagnetic coil at this storage unit, and then generate a changing current signal. By detecting and analyzing these current signals, the system can determine which storage unit's current signal has changed, so as to accurately locate the storage unit where the food ingredients have changed, facilitating food ingredient management and tracking.
[0067] In step S1, the storage device refers to a device or container specifically used for storing, preserving, and managing food ingredients. These devices can ensure that the food ingredients remain fresh, nutritious, and have a good taste during storage. The storage device can be a refrigerator, a freezer, or a certain module in a refrigerator or freezer, such as a fresh-keeping drawer, etc.
[0068] It should be noted that the freshness preservation of food ingredients by the magnetic field is mainly reflected in that the magnetic field can inhibit the growth of microorganisms and molds, thereby extending the storage period of food ingredients. Specifically, when using the magnetic field to assist in storing food ingredients, the magnetic field restricts the free path of water molecules to a certain extent. Specifically, it is manifested as the breaking of hydrogen bonds in the water molecule cluster, so that during the phase change of water, the growth of crystal nuclei is inhibited, the growth rate of ice crystals is higher than the migration rate of water molecules, and the generated ice crystals are smaller, thus causing less damage to cells and reducing the juice loss rate of food ingredients, enabling better preservation of the nutrition and taste of food ingredients. Therefore, the magnetic field can be used to assist in storing food ingredients, thereby achieving the purpose of extending the storage period of food ingredients.
[0069] In step S1, the N storage units correspond to N first electromagnetic coils. This means that each storage unit is associated with or equipped with a first electromagnetic coil. In other words, each storage unit can generate or induce a current signal through its corresponding first electromagnetic coil, and these current signals are then used to locate the storage unit where the food ingredient change occurs in the storage device.
[0070] In one embodiment, the first electromagnetic coil can form a closed loop to more effectively generate and transmit current signals; at the same time, it can also be interconnected with external components such as an identification component to jointly form a closed loop to achieve more complex signal processing and identification functions.
[0071] In step S1, the current signal can be understood as an induced current caused by a change in magnetic flux. Specifically, according to Faraday's law of electromagnetic induction, when the magnetic flux passing through a closed loop changes, an induced electromotive force will be generated in the first electromagnetic coil. This induced electromotive force will drive the free electrons in the closed loop to move, thus forming an induced current within the closed loop. There are various factors that cause the change in magnetic flux, such as a change in magnetic field strength or a change in the area through which the magnetic field lines pass through the closed loop.
[0072] This change can be caused by external factors (such as the insertion or removal of food ingredients) or by a change in the shape or position of the closed loop itself. When the area through which the magnetic field lines pass changes, the number of magnetic field lines passing through that area will also change accordingly, resulting in a change in magnetic flux. In the present invention, the main focus is on the change in magnetic flux caused by the change in food ingredients. In addition, N > 0, and N is an integer.
[0073] In step S2, determining the target storage unit based on the changing current signal can be understood as follows: When food ingredients are inserted into or removed from the storage unit, this change may affect the magnetic field around the storage unit (especially the position where the first electromagnetic coil is located), thereby causing a change in the current in the first electromagnetic coil. By detecting these changes in the current signal, it is possible to determine which storage unit has experienced a change in food ingredients, that is, which storage unit is the target storage unit. Therefore, when a change in food ingredients occurs at the target storage unit, the identification component at that location can detect the induced current and output a position signal.
[0074] In one embodiment, the first component includes a second electromagnetic coil, and the second component includes a first closed loop. Based on this, before step S1 of the present invention, the positioning method may further specifically include the following steps.
[0075] Step P11, controlling the power supply to supply current to the second electromagnetic coil to generate a corresponding magnetic field;
[0076] Step P12, determining the current signal at the first storage unit according to the induced current generated by the first closed loop under the action of this magnetic field.
[0077] In this way, by controlling the power supply to supply current to the second electromagnetic coil, a changing magnetic field can be artificially created. This magnetic field acts on the first closed loop, causing an induced current to be generated in the loop. By measuring the induced current, information such as the electromagnetic state or existence at the first storage unit can be indirectly obtained.
[0078] In one embodiment, the first closed loop can be generated by the first electromagnetic coil itself, and the current signal is determined by measuring the induced current at the first electromagnetic coil using a current measurement tool.
[0079] In another embodiment, the first closed loop may also be formed by connecting the first electromagnetic coil and the first identification component. In this embodiment, the first closed loop is disposed at the first storage unit. When the food ingredients at the first storage unit change, the first identification component can obtain an induced current and output an identification signal.
[0080] In a specific embodiment, the first identification component includes a signal receiver, which is disposed at a client (such as a refrigerator control terminal). The method may further include the following steps.
[0081] Step N3, when the first identification component obtains an induced current, identify and send to the receiver the storage information corresponding to the current storage box, where the storage information includes at least one of the position information of the storage unit where the current storage box is located and the change information of the food ingredients;
[0082] Step N4, update the storage information, and write the updated storage information into the first identification component.
[0083] In this way, by updating the storage information at the storage unit and writing the updated storage information into the first identification component, it is ensured that the information stored in the first identification component always remains consistent with the actual situation, improving the accuracy of storage management.
[0084] In a specific embodiment, step P12 may specifically include the following steps.
[0085] Step P121, determine whether a changing magnetic flux is generated in the first closed loop under the action of the magnetic field;
[0086] Based on this, step S1 may specifically include the following steps.
[0087] If so, jump to step S1', and obtain the first current signal at the first electromagnetic coil corresponding to the first storage unit in the storage device.
[0088] In this way, by monitoring the change of the magnetic flux in the first closed loop, it can be accurately determined whether the loop is affected by an external magnetic field, and then it can be determined that the first storage unit or the object therein has interacted with the magnetic field, which not only improves the accuracy of detection, but also increases the response speed and the level of intelligence.
[0089] Magnetic flux refers to the product (or projected product) of the magnetic induction intensity B and the area S in a uniform magnetic field with magnetic induction intensity B, where there is a plane with an area S perpendicular (or having an included angle) to the magnetic field direction. When the magnetic field is perpendicular to the area formed by the first closed loop, the magnetic flux Φ = BS; when there is an included angle θ between the magnetic field and the area formed by the first closed loop, the magnetic flux Φ = BScosθ.
[0090] Based on this, in one embodiment, step P121 may specifically include the following steps.
[0091] Step P1211, detect and determine whether the magnetic field intensity generated by the second electromagnetic coil changes within a unit time;
[0092] If so, jump to step P1212 to determine that the magnetic flux passing through the first closed loop changes.
[0093] In another embodiment, step P121 may specifically include the following steps.
[0094] Step P1221, detect and determine whether the food ingredients at the placement unit change within a unit time;
[0095] If so, jump to step P1222 to determine that the magnetic flux passing through the first closed loop changes.
[0096] Specifically, when food ingredients are placed on the target placement unit, if the food ingredients at the target placement unit change, such as the water in the food ingredients evaporates and shrivels (the volume of the food ingredients becomes smaller) or the food ingredients become moldy and swell (the volume of the food ingredients becomes larger), resulting in different shapes or sizes of food ingredients occupying different space volumes, which may change the "cutting" area of the closed loop in the magnetic field. The change in this "cutting" area will in turn cause the magnetic flux passing through the closed loop to change.
[0097] As Figure 6 shown, in one embodiment, step S2 may specifically include the following steps.
[0098] Step S21, obtain the position distribution information of N placement units in the storage device;
[0099] Step S22, place M storage boxes at the corresponding placement units respectively, and determine the target placement unit according to the current signals output by each placement unit and the position distribution information.
[0100] In this way, by obtaining the position distribution information of N placement units in the storage device, placing M storage boxes on the corresponding placement units, and using the current signals output by each placement unit and the known position distribution information, the precise positioning and tracking of the storage boxes in the storage device can be achieved quickly and accurately, improving the automation and intelligence level of storage management, and facilitating users to quickly search, manage, and optimize the use of storage space.
[0101] In step S21, the position distribution information can be understood as the specific position or coordinates of each storage unit inside the storage device. In other words, it refers to the spatial layout or arrangement of each storage unit inside the storage device. This information may exist in the form of coordinates, numbers, or other identifiers, and is used to uniquely identify each storage sub-region in the storage device. The position distribution information can provide a reference framework, enabling users to know the exact position of each storage unit in the storage device.
[0102] In one embodiment, the position distribution information of the storage unit is consistent with the position distribution of the second electromagnetic coil in the first component. In other words, the number of the N first electromagnetic coils at the N storage units is equal to the number of the corresponding second electromagnetic coils.
[0103] In step S22, based on the current signal output by the storage unit (which may be caused by the change of the storage box or food ingredients placed therein) and the known position distribution information, the method can identify which position or which storage units are currently in an active state (i.e., there is a change in food ingredients). These identified storage units are the target storage units. Wherein, N≥M>0, and M is an integer.
[0104] For example, continuing with Fig. 3(a) as an example, assuming that the position distribution information is abstracted into a 3*3 grid, including 9 sub-regions (A1 - A9), when each sub-region represents a storage unit, if a current signal is detected in a certain or certain storage units, it indicates that the food ingredients in these sub-regions (or storage units) have changed (such as being taken out or put in). For example, if a current signal is detected in sub-region A3, it indicates that the food ingredients in sub-region A3 have changed. Based on step S22, it can be determined that A3 is the target storage unit, which is in the second position (arranged from left to right) in the first row inside the fresh-keeping drawer.
[0105] In one embodiment, before step S1, the method may further include the following steps.
[0106] Step M11, place M storage boxes in the corresponding M storage units according to a preset storage rule;
[0107] Step M12, control the power supply to supply current to the M first electromagnetic coils corresponding to the M storage units in sequence according to a preset energization sequence.
[0108] The preset storage rule is to preferentially use the rear corners of the fresh-keeping drawer. Taking the position distribution information shown in Fig. 3(a) as an example, storage is preferentially carried out in the order of A1, A2, and A3, etc. The corresponding preset power-on sequence can also refer to power supply in the storage order. This means that when there is no fresh-keeping box or other items placed in a certain storage unit, it will not be powered on, thus avoiding unnecessary energy waste. In addition, powering on in sequence can ensure that when the storage box is placed or taken out, the storage unit can be correctly locked or unlocked, ensuring that the storage box is placed and retrieved in a specific order.
[0109] After step S2, the positioning method may further include the following steps.
[0110] Step S3: Obtain the storage information at the target storage unit per unit time, and update the latest storage information at the current target storage unit to the corresponding identification component according to the change situation of the storage information.
[0111] It should be noted that, on the one hand, the target storage unit is similar to a storage container that can move within the storage area, such as a fresh-keeping box. An electromagnetic coil is arranged in the storage container to form a closed loop with the identification component for recording the current position information.
[0112] As shown in Fig. 7(a), in a specific embodiment, after step S2, the method may further include the following steps.
[0113] Step S311: Obtain the current signal from the target storage unit at the first moment, and determine the first position information according to the current signal;
[0114] Step S312: Obtain the current signal from the target storage unit at the second moment, and determine the second position information according to the current signal;
[0115] Step S313: When the first position information is inconsistent with the second position information, update the second position information to the identification component at the target storage unit.
[0116] In this way, by obtaining the current signals of the target storage unit at different moments, the position information of the target storage unit at different moments can be accurately determined, realizing the dynamic tracking and positioning function of the target storage unit, enabling the system to master the position status of each storage unit in the storage area in real time, and improving the efficiency and accuracy of storage management.
[0117] In this embodiment, the target storage unit may point to a non-fixed area within the storage device, which means that the position of the target storage unit within the storage device is different at different times. For example, at the first moment, the first fresh-keeping box (target storage unit) for storing meat is placed in area A1, and at the second moment, this first fresh-keeping box (target storage unit) is placed in area A2. Therefore, the position information in this embodiment refers to the coordinate position of the target storage unit within the storage device.
[0118] On the other hand, the target storage unit can also be understood as pointing to a fixed sub-area within the storage area, and a closed loop formed by an electromagnetic coil and an identification component is arranged within the sub-area for detecting and identifying the information of the food ingredients placed therein.
[0119] As shown in FIG. 7(b), in another embodiment, after step S2, the method may further include the following steps.
[0120] Step S321: Obtain the current signal from the target storage unit at the first moment, and determine the first identification information at the target storage unit according to the current signal;
[0121] Step S322: Obtain the current signal from the target storage unit at the second moment, and determine the second identification information at the target storage unit according to the current signal;
[0122] Step S323: When the first identification information is inconsistent with the second identification information, update the second identification information into the identification component at the target storage unit.
[0123] In this way, by obtaining the current signals of the target storage unit at different times, the identification information at the target storage unit at different times can be accurately determined, realizing real-time monitoring and dynamic management of the food ingredients or items at the target storage unit, so that the system can accurately record the information of the food ingredients or items stored in each storage unit.
[0124] In this embodiment, the target storage unit may point to a fixed area within the storage device, and the food ingredient information stored in the fixed area may be different at different times. For example, at the first moment, the first fresh-keeping box is placed at the target storage unit, and meat is stored in the first fresh-keeping box; at the second moment, the second fresh-keeping box is placed at the target storage unit, and fish is stored in the second fresh-keeping box. Therefore, the identification information may include at least one of the fresh-keeping box number placed at the target storage unit and the item information within the fresh-keeping box.
[0125] An embodiment of the present invention provides a computer-readable storage medium.
[0126] In one embodiment, a computer-readable storage medium stores a computer program executed by the aforementioned processor, or the food ingredient storage and positioning method in any of the foregoing technical solutions.
[0127] When the processor executes the computer program, it can execute the description of the food ingredient storage and positioning method in any of the foregoing technical solutions. Therefore, the description will not be repeated here. In addition, the beneficial effects of the same method will not be described again.
[0128] The computer-readable storage medium may include: a flash drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, an optical disk, etc.
[0129] In summary, the present invention provides a food ingredient storage and positioning method and a storage medium. By setting a first electromagnetic coil at each storage unit to sense the magnetic field change and convert it into an electric current signal, when the food ingredients in a certain storage unit change (such as taking away or putting in food ingredients), it will affect the magnetic field around the first electromagnetic coil at this storage unit, and then generate a changing electric current signal. By detecting and analyzing these electric current signals, the system can determine which storage unit's electric current signal has changed, so as to accurately locate the storage unit where the food ingredient has changed, facilitating food ingredient management and tracking.
[0130] It should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0131] The series of detailed descriptions listed above are only specific descriptions of the feasible embodiments of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent embodiments or changes made without departing from the technical spirit of the present invention should be included in the protection scope of the present invention.
Claims
1. A food storage positioning method, characterized in that: Used to locate a storage unit where food changes occur in the storage device, the storage unit is used to place food, and the storage device includes: A first component for generating a magnetic field, A second component is arranged within the range of the magnetic field generated by the first component, and comprises a first electromagnetic coil and a placement unit, wherein the first electromagnetic coil is arranged at the placement unit; A control module is used to implement the positioning method, and the positioning method includes: Obtaining N current signals at the first electromagnetic coils corresponding to the N storage units in the storage device; According to N current signals, it is determined that the storage unit corresponding to the changed current signal is the target storage unit, and food changes occur at the target storage unit, N>0, and N is an integer.
2. The method according to claim 1, characterized in that The first component includes a second electromagnetic coil, the second component includes a first closed loop, and the first closed loop is arranged at the first placement unit; before obtaining N current signals at the first electromagnetic coil corresponding to the N placement units in the storage device, the method further includes: Controlling the power supply to provide current to the second electromagnetic coil to generate a corresponding magnetic field; A current signal at the first placement unit is determined according to the induced current generated by the first closed loop under the action of the magnetic field.
3. The method according to claim 2, characterized in that According to the induced current generated by the first closed loop under the action of the magnetic field, the method further includes: determining whether the first closed loop generates a changing magnetic flux under the action of the magnetic field; The obtaining of N current signals at the first electromagnetic coils corresponding to the N storage units in the storage device includes: If so, a first current signal at the first electromagnetic coil corresponding to the first storage unit in the storage device is obtained.
4. The method according to claim 3, characterized in that The determining whether the first closed loop generates a changing magnetic flux under the action of the magnetic field includes: Detect and determine whether the magnetic field intensity generated by the second electromagnetic coil changes within a unit time; If so, it is determined that the magnetic flux passing through the first closed loop has changed; and / or, Detect and determine whether the ingredients in the built-in unit have changed per unit time; If so, it is determined that the magnetic flux passing through the first closed loop has changed.
5. The method according to claim 2, characterized in that: The second component includes a first identification component, a first end of which is connected to the first end of the first electromagnetic coil, and a second end of which is connected to the second end of the first electromagnetic coil to form the first closed loop; when the food at the first storage unit changes, the first identification component obtains an induced current and outputs an identification signal.
6. The method according to claim 1, characterized in that The step of determining, based on the N current signals, a placement unit corresponding to a changed current signal as a target placement unit includes: Obtaining position distribution information of N storage units in the storage device; wherein each storage unit is provided with a corresponding first electromagnetic coil; M storage boxes are placed at corresponding placement units respectively, and the target placement unit is determined according to the current signal and position distribution information output by each placement unit, where N≥M>0, and M is an integer.
7. The method according to claim 1, characterized in that Before obtaining N current signals at the first electromagnetic coils corresponding to the N storage units in the storage device, the method further includes: Place the M storage boxes in the corresponding M storage units according to the preset storage rules; The power supply is controlled to provide current to the M first electromagnetic coils corresponding to the M storage units in sequence according to a preset power-on sequence.
8. The method according to claim 1, characterized in that After determining that the placement unit corresponding to the changed current signal is the target placement unit, the method further includes: The storage information at the target storage unit within a unit time is obtained, and according to the change of the storage information, the latest storage information at the current target storage unit is updated to the corresponding identification component.
9. The method according to claim 8, characterized in that The obtaining of the storage information at the target storage unit within a unit time and updating the latest storage information at the current target storage unit to the corresponding identification component according to the change of the storage information includes: Obtaining a current signal from the target placement unit at a first moment, and determining first position information according to the current signal; Obtaining a current signal from the target placement unit at a second moment, and determining second position information according to the current signal; When the first position information is inconsistent with the second position information, the second position information is updated to the identification component at the target storage unit.
10. The method according to claim 8, characterized in that The obtaining of the storage information at the target storage unit within a unit time and updating the latest storage information at the current target storage unit to the corresponding identification component according to the change of the storage information includes: Obtaining a current signal from a target placement unit at a first moment, and determining first identification information of the target placement unit according to the current signal; obtaining a current signal from the target storage unit at a second moment, and determining second identification information of the target storage unit according to the current signal; When the first identification information is inconsistent with the second identification information, the second identification information is updated into the identification component at the target storage unit.
11. A computer-readable storage medium, comprising: at least one processor; A memory storing a computer program executable on the processor, wherein the processor executes the steps of the food storage positioning method as described in claims 1 to 10 when executing the program.