Refrigerator

Abstract

The utility model discloses a refrigerator which comprises the following components: a cabinet which is provided with a storage chamber which is vertically divided into a lower freezing chamber and an upper refrigerating chamber; the refrigerating chamber door body is pivotally mounted on the refrigerating chamber and is used for opening and closing the refrigerating chamber; the drinking water chamber is arranged on the refrigerating chamber door body; the tray is arranged on the supporting part at the lower part of the drinking water chamber and is matched with the kettle placed on the tray, a magnetic induction device is arranged in the tray and corresponds to a magnetic strip arranged in the bottom of the kettle, and the kettles with different volumes are provided with magnetic strips with different magnetic forces; the control unit is connected with the magnetic induction device and obtains the volume of the corresponding kettle according to the magnetic force, sensed by the magnetic induction device, of the different magnetic strips. The magnetic induction principle is adopted, whether the kettle is placed or not is determined, the volume of the kettle is obtained, tedious wiring is avoided, and meanwhile the kettle detection accuracy and safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a refrigerator. Background Art

[0002] A drinking water chamber is arranged on the side of the refrigerator door of the existing refrigerator, and a kettle is placed on the drinking water chamber. When water needs to be added, the water storage box on the inner side of the refrigerator discharges water into the kettle through a water delivery pipe.

[0003] In the existing drinking water room, when the user places the kettle on the tray of the drinking water room, he presses the water adding button to add water to the kettle, and the water level is detected by the inductive switch. This method has poor automatic performance and requires wiring of the inductive switch, resulting in a complex structure. In some drinking water rooms, a structural touch switch is used to detect whether the kettle is placed. This method requires the kettle to be in close contact with the touch switch. If the kettle and the touch switch are not in close contact, inaccurate detection will result in failure to add water.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In response to the problems pointed out in the background technology, the present application provides a refrigerator that uses the principle of magnetic induction to determine whether a kettle is placed and obtain the volume of the kettle, thereby avoiding cumbersome wiring and improving the accuracy and safety of kettle detection.

[0006] In order to achieve the above-mentioned utility model purpose, the utility model adopts the following technical solutions:

[0007] The present application relates to a refrigerator, comprising:

[0008] a cabinet having a storage compartment vertically divided into a freezer compartment at a lower portion and a refrigerator compartment at an upper portion;

[0009] A refrigerating chamber door body, which is pivotally mounted on the refrigerating chamber and is used to open and close the refrigerating chamber;

[0010] A drinking water room, which is arranged on the door of the refrigerating chamber and has a receiving space for placing a kettle;

[0011] A tray is placed on the lower support of the drinking room and is adapted to the kettle placed thereon. The tray is equipped with a magnetic induction device, which corresponds to the magnetic strip built into the bottom of the kettle. Kettles of different volumes have magnetic strips with different magnetic forces.

[0012] A control unit is connected to the magnetic induction device and acquires the volume of the corresponding kettle according to the magnetic forces of different magnetic strips sensed by the magnetic induction device.

[0013] The refrigerator involved in the present application, when it is necessary to add water to the kettle in the drinking room, when the kettle is placed on the tray, the magnetic force of the magnetic strip can be sensed by the magnetic induction device to determine whether the kettle is in place, and the current volume of the kettle is determined by the size of the magnetic force sensed by the magnetic induction device. In this way, only one magnetic induction device is needed to simultaneously detect the presence of the kettle and the volume of the kettle, thereby reducing costs.

[0014] Moreover, the arrangement of the magnetic strips in the kettle does not require wiring. The magnetic field can be sensed when it is close to the magnetic induction device, thus avoiding cumbersome wiring. Moreover, the magnetic field detection does not require close contact, thus achieving reliable detection.

[0015] In some embodiments of the present application, the drinking water chamber is U-shaped, and the opening of the U-shaped drinking water chamber faces the refrigerating chamber and passes through the refrigerating chamber door in the left-right direction.

[0016] The U-shaped drinking room not only provides a large space for users to take and put the kettle, but also allows users to check whether the kettle is properly placed.

[0017] In some embodiments of the present application, the refrigerator further comprises:

[0018] A storage unit, which is used to store a preset data relationship table, wherein the preset data relationship table represents the relationship between different magnetic forces in the kettle and their corresponding different volumes;

[0019] The control unit calls the preset data relationship table according to the different magnetic forces detected by the magnetic induction device to obtain corresponding different volumes.

[0020] In some embodiments of the present application, the bottom of the kettle is concavely formed to form a first ring step portion and a second ring step portion, the first ring step portion is located on the outside of the second ring step portion, and the step surface of the first ring step portion is higher than the step surface of the second ring step portion; the outside of the first ring step portion forms a first outer ring foot;

[0021] An assembly portion is provided on the step surface of the second ring step portion, the assembly portion has an opening toward the bottom and a magnetic strip is assembled inside, and the bottom end surface of the assembly portion is flush with the bottom plane of the bottom of the kettle;

[0022] The tray is recessed to form a third ring step portion for matching the first outer ring foot, and the inner side of the third ring step portion is gradually raised to form the fourth ring step portion and the fifth ring step portion, the fourth ring step portion matches the first ring step portion, and the fifth ring step portion matches the second ring step portion; the fifth ring step portion is recessed to form the magnetic induction device that matches the magnetic strip.

[0023] The kettle can be placed securely and prevented from tipping over by the cooperation between the bottom of the kettle and the step parts of the rings at the bottom of the tray.

[0024] In some embodiments of the present application, a circumferential surface transitioning from the step surface of the first ring step portion to the step surface of the second ring step portion is a surface inclined toward the step surface of the second ring step portion.

[0025] The inclined surface is set to cushion the bottom of the kettle when placing it to avoid collision with sharp corners.

[0026] In some embodiments of the present application, an L-shaped ring notch is formed on the outer circumference of the bottom of the kettle, and a magnetic strip is embedded in the middle of the bottom of the kettle;

[0027] The tray is concavely provided with a ring recess, so that the outer side of the ring recess forms a second outer ring foot, and the second outer ring foot matches the L-shaped ring notch;

[0028] The magnetic induction device is embedded in the middle position of the ring recess.

[0029] In some embodiments of the present application, a water guide ring groove is recessed on the step surface of the annular recess, a drainage port is opened on the water guide ring groove, and a pullout baffle for blocking / opening the drainage port is provided on one side of the tray.

[0030] The baffle can be pulled out and the drain outlet is blocked in a normal state. When drainage is required, the baffle needs to be pulled out to open the drain outlet.

[0031] A water storage box is provided at the lower side of the drinking water chamber, and the water storage box is communicated with the drain port;

[0032] An overflow detection unit is provided on the side wall of the water guide ring groove at the drain outlet, and the overflow detection unit is connected to the control unit;

[0033] When the water depth at the drain outlet can be detected by the overflow detection unit, an overflow signal is output to the control unit, and the control unit stops adding water to the kettle and simultaneously reminds the user to pull out the baffle to drain the water in the water guide ring groove into the water storage box.

[0034] After the drain port is opened, the water overflowing from the kettle flows into the drain port through the water guide ring groove, and then flows into the humidification water box through the drainage pipeline to be used for humidification.

[0035] In some embodiments of the present application, the overflow detection unit includes:

[0036] a first electrode and a second electrode, wherein the first electrode and the second electrode form an overflow switch, and when the water depth reaches a level that connects the first electrode and the second electrode, the overflow switch is turned on, otherwise, the overflow switch is turned off;

[0037] The overflow detection circuit, the overflow switch is arranged in the overflow detection circuit, and is used to send the overflow signal to the control unit when the overflow switch is connected, otherwise no overflow signal is sent.

[0038] In some embodiments of the present application, the refrigerator further comprises:

[0039] A water absorption module, which absorbs water in the water storage box;

[0040] An ultrasonic generating device is connected to the control unit and is used to control the generation of ultrasonic waves. The ultrasonic generating device is attached to the water absorption module and uses the ultrasonic waves to vibrate the water in the water absorption module to generate atomized gas, which is sprayed into the cold storage room through an atomization port.

[0041] Water is absorbed by the water absorption module. When humidification is needed, ultrasonic waves are used to vibrate the water in the water absorption module to produce atomized water vapor, which is sprayed through the atomization port to the refrigeration room opposite the refrigeration door (for example, it can be a fruit and vegetable room), so that overflow water is recycled and users do not need to deal with the overflow water.

[0042] In some embodiments of the present application, the baffle is L-shaped, including a first plate and a second plate that are butted together, and a through groove that passes through the drain outlet is opened on the outer side of the tray along its horizontal direction. While the first plate extends into the through groove and blocks the drain outlet, the second plate abuts against the outer side of the tray.

[0043] The second plate of the L-shaped baffle is located on the outside of the tray, which is convenient for users to pull out and use.

[0044] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0046] Figure 1 is a three-dimensional diagram of a refrigerator embodiment according to the present application;

[0047] Figure 2 is a three-dimensional diagram of a refrigerator embodiment according to the present application, wherein the refrigerator door is opened;

[0048] Figure 3A structural diagram of a refrigeration system in a refrigerator embodiment according to the present application;

[0049] Figure 4 A structural diagram of a kettle in a drinking chamber according to an embodiment of a refrigerator proposed in the present application;

[0050] Figure 5 The structure of the drinking water chamber in the refrigerator embodiment proposed in this application Figure 1 ;

[0051] Figure 6 The structure of the kettle and the tray in the drinking water chamber of the refrigerator embodiment proposed in this application Figure 1 ;

[0052] Figure 7 The structure of the drinking water chamber in the refrigerator embodiment proposed in this application Figure 2 ;

[0053] Figure 8 The structure of the kettle and the tray in the drinking water chamber of the refrigerator embodiment proposed in this application Figure 2 ;

[0054] Fig. 9 A structural diagram of a tray in a refrigerator embodiment according to the present application;

[0055] Fig.10 A cross-sectional view of a tray in a refrigerator embodiment according to the present application;

[0056] Fig.11 A structural diagram of a baffle in a refrigerator embodiment according to the present application;

[0057] Fig.12 A circuit diagram of a water overflow detection unit in a refrigerator embodiment according to the present application;

[0058] Fig.13 A schematic diagram of a water storage box in a refrigerator embodiment according to the present application;

[0059] Reference numerals:

[0060] 1. Refrigerator; 100. Storage room; 100A. Freezer; 100B. Refrigerator; 200. Door; 200A. Freezer door; 200B. Refrigerator door; 300. Refrigeration system; 310. Compressor; 320. Condenser; 330. Solenoid valve; 340. Throttling device; 341. First throttling device; 342. Second throttling device; 350. Evaporator; 351. Refrigerator evaporator; 352. Refrigerator evaporator; 360. Liquid storage tank; 400. Drinking water room; 410. Support; 500. Kettle; 510. L-shaped ring gap; 520. Magnetic strip; 530. First ring platform Step portion; 540, second ring step portion; 550, assembly portion; 600, tray; 610, recessed portion; 620, water guide ring groove; 630, magnetic induction device; 640, drain outlet; 650, first electrode; 660, second electrode; 670, through groove; 610', third ring step portion; 620', fourth ring step portion; 630', fifth ring step portion; 640', middle recessed portion; 710, weight transfer unit; 720, weight detection unit; 800, water storage box; 800', atomization space; 800'', atomization sheet; 900, baffle; 910, first plate; 920, second plate. DETAILED DESCRIPTION

[0061] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0062] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0063] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0064] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0065] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0066] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0067] Figure 1 and Figure 2 is a stereogram of a specific embodiment of the refrigerator involved in this application; see Figure 1 and Figure 2 , the refrigerator of this embodiment has an approximately rectangular parallelepiped shape.

[0068] The appearance of the refrigerator is defined by a storage chamber 100 defining a storage space and a plurality of door bodies 200 disposed in the storage chamber 100. Figure 2 The door body 200 includes a door body outer shell (not marked) located outside the storage chamber 100, a door body inner shell (not marked) located inside the storage chamber 100, and an insulation layer (not marked) between the upper end cover and the lower end cover; usually, the insulation layer is filled with foam material.

[0069] The storage chamber 100 has an open box body, and is vertically partitioned into a freezing chamber 100A at a lower portion and a refrigerating chamber 100B at an upper portion. Each of the partitioned spaces may have an independent storage space.

[0070] In detail, the freezing chamber 100A is defined at the lower side of the storage chamber 100 and may be selectively covered by the drawer type freezing chamber door body 200A. A space defined above the freezing chamber 100A is partitioned into left and right sides to respectively define the refrigerating chambers 100B.

[0071] The refrigerating chamber 100B may be selectively opened or closed by a refrigerating chamber door 200B pivotably mounted on the refrigerating chamber 100B.

[0072] Figure 3 A refrigeration system 300 of the present invention of the present application is shown.

[0073] See also Figure 3 The refrigeration system 300 includes a compressor 310 , a condenser 320 , a throttling device 340 and an evaporator 350 , and a liquid storage tank 360 is arranged between the outlet of the freezer chamber evaporator 352 and the air intake port of the compressor 310 .

[0074] Among them, Figure 3 As shown, in this embodiment, the evaporator 350 includes a refrigerating chamber evaporator 351 and a freezing chamber evaporator 352 .

[0075] The high-temperature and high-pressure gaseous refrigerant discharged from the compressor 310 is cooled by the condenser 320 and becomes a liquid refrigerant at room temperature. It is divided into two paths by the solenoid valve 330. One path of the refrigerant enters the cold storage chamber evaporator 351 after throttling and reducing the pressure by the first throttling device 341 (for example, the first capillary tube), and the other path of the refrigerant enters the freezer chamber evaporator 352 after throttling and reducing the pressure by the second throttling device 342 (for example, the second capillary tube). The refrigerant pipeline flowing out of the cold storage chamber evaporator 351 is connected to the pipeline between the second throttling device 342 and the freezer chamber evaporator 352. The liquid refrigerant flowing out of the freezer chamber evaporator 352 flows back to the liquid storage tank 360, and the gaseous refrigerant flows back to the return air port of the compressor 310.

[0076] When there is a demand for cooling in the freezer compartment 100B, the compressor 310 starts, and the solenoid valve 330 is controlled to introduce the refrigerant into the pipeline where the second throttling device 342 is located. The refrigerant passes through the freezer compartment evaporator 352 and then flows into the return air port of the compressor 310 through the liquid storage tank 360. The cooling of the freezer compartment 100B is achieved through the above-mentioned cycle process.

[0077] When there is a demand for cooling in the cold storage room 100B, the solenoid valve 330 is controlled to introduce the refrigerant into the pipeline where the first throttling device 341 is located. The refrigerant passes through the cold storage room evaporator 351 and the freezer room evaporator 352 in turn, and then flows into the return air port of the compressor 310 through the liquid storage tank 360. The cold storage room 100B is cooled through the above-mentioned cycle process.

[0078] To produce cold water using the cold energy in the refrigerating chamber 100B, see Figure 4 A drinking water room 400 is provided on the refrigerating chamber door 200B, and has a storage space for placing a kettle 500.

[0079] In some embodiments of the present application, in order to facilitate the operation of taking and placing the kettle 500 in a large space, the drinking water chamber 400 is configured to be U-shaped, with its opening facing the refrigerating chamber 100B and penetrating in the left and right directions.

[0080] The U-shaped drinking water chamber 400 is formed by a portion of the refrigerator door 200B, an upper mask portion (not shown), and a lower support portion 410 , and a tray 600 is disposed above the lower support portion 410 .

[0081] In order to detect the presence and volume of the kettle 500 , in some embodiments of the present application, a magnetic strip 520 is provided on the kettle 500 , and a magnetic sensing device 630 is provided on the tray 600 .

[0082] The magnetic sensing device 630 may be a Hall chip, which is used to detect the magnetic field around the magnetic strip 520 when the magnetic strip 520 approaches.

[0083] The magnetic strips 520 with different magnetic strengths have magnetic fields of different strengths, and the magnetic induction device 630 can sense magnetic fields of different strengths.

[0084] Magnetic strips 520 with different magnetic strengths can be embedded in kettles 500 with different volumes. When the magnetic induction device 630 senses the magnetic field generated by the corresponding magnetic strip 520, the volume of the corresponding kettle 500 can be obtained.

[0085] The larger the magnetic field, the larger the volume; or the larger the magnetic field, the smaller the volume; there is no limitation here.

[0086] When the capacity of the kettle 500 is large, its volume is also larger, so a large magnetic strip 520 can be embedded in the kettle 500, so that it has a large magnetic force.

[0087] For example, the first kettle 500, the second kettle 500 and the third kettle 500 of the same type respectively have a first volume, a second volume and a third volume which increase successively, and have a first magnetic force, a second magnetic force and a third magnetic force which increase successively embedded therein respectively.

[0088] When the magnetic induction device 630 senses the magnetic field of the first magnetic force, it indicates that the current volume of the kettle 500 is the first volume. When it senses the magnetic field of the second magnetic force, it indicates that the current volume of the kettle 500 is the second volume. When it senses the magnetic field of the third magnetic force, it indicates that the current volume of the kettle 500 is the third volume.

[0089] The control unit can control the addition of water to the kettle 500 based on the relevant information about the volume of the kettle 500 fed back by the magnetic induction unit so that the added water volume does not exceed the volume of the kettle 500.

[0090] In some embodiments of the present application, a water storage unit (not shown) and a water delivery unit (not shown) may be provided.

[0091] The water storage unit may be, for example, a water storage box (not shown) that is disposed inside the refrigeration door and is capable of storing a certain amount of water.

[0092] The water delivery unit may be, for example, a unit connecting the water storage unit and the water outlet of the drinking water chamber 400, which may include a drainage pump arranged in the water storage unit, a drainage pipeline connecting the water storage unit and the water outlet of the drinking water chamber 400, and a control valve connected to the drainage pipeline.

[0093] The drain pump is controlled to be turned on or off by the control unit, and the control valve is also controlled to be opened and closed by the control unit.

[0094] When water needs to be added to the kettle 500 , the control unit controls the drainage pump to work and the control valve to open, so that the water outlet of the drinking water chamber 400 is aligned with the water inlet at the top of the kettle 500 to add water.

[0095] In some embodiments of the present application, a relationship between magnetic strips 520 of different magnetic force magnitudes and the volume of the kettle 500 is established.

[0096] Among them, when the magnetic force of the magnetic stripe 520 is large, the volume of the kettle 500 is large, and when the magnetic force of the magnetic stripe 520 is small, the volume of the kettle 500 is small. Therefore, the magnetic stripe 520 of different sizes can be set according to the size of the volume of the kettle 500 itself.

[0097] The relationship between magnetic strips 520 of different sizes and volumes is preset.

[0098] This relationship can be pre-written in a preset data relationship table, or can be pre-written as multiple commands, where each command describes the relationship between the magnetic strip 520 with different magnetic force magnitudes and the volume.

[0099] The preset data relationship table can be stored in a storage unit connected to the control unit. When in use, the control unit can call it from the storage unit according to the information fed back by the magnetic induction device 630.

[0100] The number of different magnetic strips 520 and the number of volumes of the kettle 500 can be set as required.

[0101] For example, three kettles 500 with different volumes are provided, and correspondingly three magnetic strips 520 with different magnetic strengths are provided.

[0102] The first magnetic strip 520 corresponds to the first volume.

[0103] When the kettle 500 is placed on the tray 600, the magnetic induction device 630 senses the first magnetic strip 520 and the magnetic field strength of the first magnetic strip 520 is the magnetic field strength corresponding to the first volume, indicating that the kettle 500 has been placed in place and the volume of the kettle 500 is the first volume.

[0104] The magnetic induction intensity and the magnetic strip 520 are used to determine whether the kettle 500 is in place and the volume, thereby avoiding cumbersome wiring, and the detection range of the magnetic field is large, which can achieve reliable detection of the kettle 500's presence and volume.

[0105] In some embodiments of the present application, the kettle 500 includes a kettle body, a kettle handle and a kettle lid, and the kettle lid is provided with a water inlet.

[0106] In some embodiments of the present application, see Figures 4 to 6 The bottom of the pot body is recessed to form a first ring step portion 530 and a second ring step portion 540.

[0107] The first ring step portion 530 is located outside the second ring step portion 540 , and the step surface of the first ring step portion 530 is closer to the bottom of the kettle 500 than the step surface of the second ring step face portion, and the outside of the first ring step portion 530 forms a first outer ring foot.

[0108] An assembly portion 550 is provided on the step surface of the second ring step portion 540 , and is used for assembling the magnetic strip 520 .

[0109] In some embodiments of the present application, the assembly portion 550 has an opening toward the bottom of the kettle 500, so that the magnetic stripe 520 can pass through the opening to communicate with the outside. In this way, the magnetic field of the magnetic stripe 520 dissipates from the opening and does not affect the detection of the magnetic field of the magnetic stripe 520 by the magnetic induction device 630.

[0110] The bottom end surface of the assembly portion 550 is flush with the bottom plane of the bottom of the kettle 500 .

[0111] In the present application, the assembly portion 550 is assembled in the middle position of the second ring step portion 540. While assembling the magnet, it can also serve as an inner ring foot to prevent the kettle 500 from tipping over.

[0112] In some embodiments of the present application, in order to adapt to the kettle 500, a third ring step portion 610' is recessed on the tray 600 to match the first outer ring foot, that is, when the kettle 500 is placed, the first outer ring foot is embedded in the step surface of the third ring step portion 610'.

[0113] The inner side of the third ring step portion 610 ′ is gradually raised to form a fourth ring step portion 620 ′ and a fifth ring step portion 630 ′. The fourth ring step portion 620 ′ matches the first ring step portion 530 , and the fifth ring step portion 630 ′ matches the second ring step portion 540 .

[0114] The fifth ring step portion 630' is concavely provided with a middle recessed portion 640', and a magnetic induction device 630 matching the magnetic strip 520 is embedded below the middle recessed portion 640', wherein the magnetic induction device 630 is also arranged in the middle position of the fifth ring step portion 630'.

[0115] When the kettle 500 is placed, the inner ring foot formed by the assembly portion 550 is embedded in the middle recessed portion 640 ′ formed on the fifth ring step portion 630 ′.

[0116] The kettle 500 is prevented from tilting and is placed securely by matching the first outer ring foot with the third ring step 610' of the tray 600, and matching the inner ring foot with the fifth ring step 630' of the tray 600.

[0117] In some embodiments of the present application, see Figure 4 and Figure 6 The circumferential surface where the step surface of the first ring step portion 530 of the kettle 500 transitions to the step surface of the second ring step portion 540 is a surface inclined toward the step surface of the second ring step portion 540 .

[0118] In this way, it is ensured that when the kettle 500 is placed, the collision between the contact surface of the kettle 500 and the tray 600 can be buffered, and the inclined surface can also guide the kettle 500 to be placed on the tray 600 more reliably.

[0119] See also Figure 7 and Figure 8 In some embodiments of the present application, an L-shaped ring gap 510 is formed on the outer circumferential side of the bottom of the kettle 500, and a magnetic strip 520 is embedded in the middle position of the bottom of the kettle 500.

[0120] In order to match with the tray 600, the tray 600 is provided with a ring recess 610, so that a second outer ring foot is formed on the outer side of the ring recess 610, and the second outer ring foot matches with the L-shaped ring notch 510, that is, when the kettle 500 is placed, the second outer ring foot is embedded in the L-shaped ring notch 510.

[0121] In some embodiments of the present application, the corners of the L-shaped ring gap 510 are chamfered, and the bottom edge of the corresponding ring recess 610 and the top surface of the tray 600 have an arc transition to mitigate the collision between the kettle 500 and the tray 600.

[0122] And a magnetic induction device 630 is embedded in the middle position of the ring recess 610 .

[0123] In this way, the purpose of stably placing the kettle 500 on the tray 600 can also be achieved.

[0124] In some embodiments of the present application, a weight detection unit 720 and a weight transfer unit 710 may be provided.

[0125] The weight transfer unit 710 is connected to the tray 600 and the weight detection unit 720 respectively, and the weight detection unit 720 is connected to the control unit.

[0126] The weight transfer unit 710 may be a lever force transmission unit, and the weight detection unit 720 may be a gravity sensor chip.

[0127] Kettles 500 of different volumes have different weights.

[0128] For example, the kettle 500 having the first volume as described above has a first weight, the kettle 500 having the second volume has a second weight, and the kettle 500 having the third volume has a third weight.

[0129] The weight transfer unit 710 transfers the weight of the tray 600 together with the kettle 500 to the weight detection unit 720, and the weight detection unit 720 transfers the weight to the control unit, and the control unit then knows the total weight of the current tray 600 and the kettle 500 thereon.

[0130] The target weight when the volume of the kettle 500 is preset (i.e., the volume of the kettle 500 corresponding to the magnetic strip 520) is known, and the fixed weight of the tray 600 is also known. Therefore, the current weight detected by the weight detection unit 720 can be fed back to the control unit. The control unit controls the opening or closing of the control valve (not shown) according to the sum of the target weight and the fixed weight, and the current weight detected by the weight detection unit 720. In this way, the purpose of automatically adding water to the kettle 500 / stopping adding water is achieved.

[0131] In some embodiments of the present application, in order to avoid overflow of the kettle 500 due to abnormal reasons such as abnormality of the weight detection unit 720 sensor, the present application also involves an overflow detection unit connected to the control unit. When overflow occurs, the overflow detection unit detects an overflow signal to remind the user to deal with it in time.

[0132] In some embodiments of the present application, in order to drain the overflow water, see Figures 7 to 13 A water guide annular groove 620 is recessed on the bottom surface of the annular recess 610 , and a drainage port 640 is opened on the bottom wall of the water guide annular groove 620 .

[0133] A water storage box 800 is disposed below the support portion 410 of the drinking water chamber 400 , and a water inlet of the water storage box 800 is communicated with the drain outlet 640 .

[0134] A drawable baffle 900 for closing / opening the drain port 640 is provided on one side of the tray 600 . The baffle 900 has a drawn-out state and a retracted shielding state.

[0135] When the baffle 900 is in the withdrawn state, the drain port 640 is opened, and the water in the water guide ring groove 620 can be discharged into the water storage box 800 through the drain port 640; when the baffle 900 is in the blocked state, see Figure 7 , Fig. 9 and Fig.10 , the drain port 640 is blocked, and the water in the water guide groove cannot be discharged into the water storage box 800 through the drain port 640.

[0136] In order to remind the user to drain the overflow water, in some embodiments of the present application, an overflow detection unit is provided, and the overflow detection unit can be provided on the water guide ring groove 620, such as on the side wall.

[0137] In a normal working state, the baffle 900 is in a shielding state, and the user places the kettle 500 on the tray 600 . When water needs to be added, the control unit controls the addition of water to the kettle 500 .

[0138] During the process of adding water, if the kettle 500 overflows, the overflow water flows into the water guide groove 620 through the kettle body and the L-shaped ring gap 510. The overflow detection unit in the water guide groove 620 can detect the overflow and send out an overflow signal. After receiving the overflow signal, the control unit can send a reminder to the user, reminding the user to pull out the baffle 900 for drainage.

[0139] At this time, the baffle 900 is in the pulled-out state, the drain port 640 is not blocked, and the overflow water flows into the water storage box 800 through the drain port 640 for storage. This operation prevents excessive water accumulation under the kettle 500 from causing damage to the kettle 500 and the tray 600.

[0140] When the overflow detection unit does not send out a detection signal, it indicates that the overflow water has been discharged to the water storage box 800 , and there is not much overflow water in the water guide ring groove 620 .

[0141] Afterwards, the user can pull out the water storage box 800 to pour out the water.

[0142] In some embodiments of the present application, see Fig.12The overflow detection unit may include an overflow detection circuit, a first electrode 650 and a second electrode 660

[0143] See also Fig. 9 and Fig.10 The first electrode 650 and the second electrode 660 are arranged at intervals up and down on the side wall of the water guide ring groove 620, and the first electrode 650 and the second electrode 660 form an overflow switch S.

[0144] For example, the first electrode 650 is located above the second electrode 660 .

[0145] When the water depth is to the point where it contacts the second electrode 660 but not the first electrode 650, it indicates that the water depth in the water-guiding annular groove 620 has not yet caused the first electrode 650 and the second electrode 660 to be connected, and at this time, the overflow switch S is disconnected; when the water depth is to the point where it contacts the second electrode 660 (at this time, the water depth has already contacted the first electrode 650), the first electrode 650 and the second electrode 660 are connected, and at this time, the overflow switch S is turned on.

[0146] In some embodiments of the present application, the overflow switch S may be provided in the overflow detection circuit. When the overflow switch S is turned on, the overflow detection circuit outputs an overflow signal, otherwise, no overflow signal is output.

[0147] See also Fig.12 , the overflow detection circuit can be designed as follows.

[0148] The power supply +5V is connected to the input end of the voltage divider circuit through the overflow switch S, that is, one end of the overflow switch S is connected to +5V and the other end is connected to the input end of the voltage divider circuit.

[0149] For example, the voltage divider circuit may include a first resistor R1, a second resistor R2, and a third resistor R3.

[0150] One end of the first resistor R1 is respectively connected to the other end of the overflow switch S and one end of the second resistor R2, and the other end of the first resistor R1 is grounded; the other end of the second resistor R2 is respectively connected to an input end of the control unit and one end of the third resistor R3, and the other end of the third resistor R3 is grounded.

[0151] Hence, see Fig.12 When the overflow switch S is disconnected because the water level has not been reached, the input end of the control unit receives a low-level no-overflow signal, and when the overflow switch S is turned on because the water level has been reached, the input end of the control unit receives a high-level overflow signal, indicating that the current overflow is abnormal and manual drainage should be carried out in a timely manner.

[0152] After receiving the overflow signal, the control unit can issue a reminder.

[0153] In order to remind people to drain the water in time, the refrigerator may further include a reminder unit (not shown), which is used to control the reminder unit to issue a reminder when the control unit receives a high-level overflow signal, so as to intuitively remind the user to drain the water in time.

[0154] The reminder unit may be an acousto-optic reminder unit, a sound reminder unit or a light reminder unit, etc., which is not limited here.

[0155] In some embodiments of the present application, in order to recycle the overflow water in the water storage box 800, when the refrigeration chamber 100B corresponding to the refrigeration door body 200B is a fruit and vegetable chamber, the water in the water storage box 800 can be atomized to humidify the fruit and vegetable chamber to ensure the freshness of the fruits and vegetables in the fruit and vegetable chamber.

[0156] In order to achieve the above humidification, the refrigerator further includes a water absorption module (not shown) and an ultrasonic generating device.

[0157] The water absorption module is used to absorb water in the water storage box 800 . In some embodiments of the present application, the water absorption module may include a plurality of water absorption fiber rods, which are connected to the water storage box 800 through mounting holes (not shown) provided on the water storage box 800 .

[0158] The absorbent fiber rod is inserted from the installation opening to contact the bottom wall of the water storage box 800, and the diameter of the absorbent fiber rod can be set to be approximately larger than the diameter of the installation opening.

[0159] The ultrasonic wave generator is connected to the control unit via a driving module (not shown), that is, the control unit controls the driving module to drive the ultrasonic wave generator to emit ultrasonic waves, which act on the water absorption module to atomize the water absorbed by the water absorption module.

[0160] In some embodiments of the present application, the driving module may be an ultrasonic humidification driving board.

[0161] In some embodiments of the present application, a plurality of atomizing sheets 800 ″ are provided according to the number of the plurality of water-absorbing fiber rods, that is, the atomizing sheets 800 ″ correspond to the water-absorbing fiber rods one by one.

[0162] The absorbent fiber rod is in contact with the corresponding atomizing sheet 800''. In some embodiments of the present application, the atomizing sheet 800'' is fixed by an atomizing sealing rubber ring and is aligned with the atomizing ports, wherein the atomizing ports are aligned with the refrigerating chamber 100B corresponding to the refrigerating chamber door 200B.

[0163] In some embodiments of the present application, see Fig.13, an atomization space 800' can be formed above the water storage box 800, which is a separate space from the water storage box 800. One end of the water absorption module contacts the bottom wall of the water storage box 800 and the other end extends out of the water storage box 800 and contacts the atomization sheet 800'' located on the inner wall of the atomization space 800'. When humidification is required, the control unit controls the driving module to generate ultrasonic waves to the atomization sheet 800'', and uses cavitation to implode and atomize the water on the water absorption fiber rod to generate atomized water vapor.

[0164] An atomizing port (not shown) is provided on the opposite side wall of the atomizing space 800 ′ facing the atomizing sheet 800 ″, and the atomized water vapor is sprayed into the refrigerating chamber 100B through the atomizing port to humidify the refrigerating chamber 100B.

[0165] To facilitate user pull, see Fig.11 The baffle 900 is designed to be a pull-out baffle 900 .

[0166] In some embodiments of the present application, the baffle 900 is L-shaped, including a first plate 910 and a second plate 920 connected thereto.

[0167] Correspondingly, a through groove 670 is formed on the outer side of the tray 600 along its horizontal direction, and the through groove 670 is connected to the drain port 640 .

[0168] When the baffle 900 is in the shielding state, the first plate 910 extends into the through groove 670 and blocks the drain port 640 , while the second plate abuts against the outer side surface of the tray 600 .

[0169] The second plate 920 located outside the tray 600 is convenient for users to pull out.

[0170] When the baffle 900 needs to be pulled out, the user pinches the opposite side of the second plate 920 and pulls it out without blocking the drain port 640. At this time, the baffle 900 is in a pulled-out state.

[0171] When resetting after drainage is completed, the user pinches the opposite side of the second plate 920 and pushes it inward to block the drainage port 640 and reset the baffle 900.

[0172] In an embodiment of the present application, in order to prevent the baffle 900 from being pulled out, a limit block (not shown) may be provided on the first plate 910 , and a limit guide rail (not shown) may be provided in the through groove 670 accordingly.

[0173] When the baffle 900 is pulled out, the limit block moves outward and moves along the limit guide rail. When it moves to the limit side wall of the limit guide rail, the limit block cannot be pulled out again. At this time, the drain port 640 is exposed, which facilitates the drainage of overflow water to the water storage box 800 and prevents the baffle 900 from being lost due to being pulled out.

[0174] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0175] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this. Any changes or substitutions that can be easily thought of by technicians familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A refrigerator, characterized in that: include: a cabinet having a storage compartment vertically divided into a freezer compartment at a lower portion and a refrigerator compartment at an upper portion; A refrigerating chamber door body, which is pivotally mounted on the refrigerating chamber and is used to open and close the refrigerating chamber; A drinking water room, which is arranged on the door of the refrigerating chamber and has a receiving space for placing a kettle; A tray is placed on the lower support of the drinking room and is adapted to the kettle placed thereon. The tray is equipped with a magnetic induction device, which corresponds to the magnetic strip built into the bottom of the kettle. Kettles of different volumes have magnetic strips with different magnetic forces. A control unit is connected to the magnetic induction device and acquires the volume of the corresponding kettle according to the magnetic forces of different magnetic strips sensed by the magnetic induction device.

2. The refrigerator according to claim 1, characterized in that: The drinking water chamber is U-shaped, and the opening of the U-shaped drinking water chamber faces the refrigerating chamber and penetrates the refrigerating chamber door body in the left-right direction.

3. The refrigerator according to claim 1, characterized in that: The refrigerator further comprises: A storage unit, which is used to store a preset data relationship table, wherein the preset data relationship table represents the relationship between different magnetic forces in the kettle and their corresponding different volumes; The control unit calls the preset data relationship table according to the different magnetic forces detected by the magnetic induction device to obtain corresponding different volumes.

4. The refrigerator according to claim 1, characterized in that: The bottom of the kettle is concavely formed to form a first ring step portion and a second ring step portion, the first ring step portion is located on the outside of the second ring step portion, and the step surface of the first ring step portion is higher than the step surface of the second ring step portion; the outside of the first ring step portion forms a first outer ring foot; An assembly portion is provided on the step surface of the second ring step portion, the assembly portion has an opening toward the bottom and a magnetic strip is assembled inside, and the bottom end surface of the assembly portion is flush with the bottom plane of the bottom of the kettle; A third ring step portion is recessed on the tray to match the first outer ring foot, and the inner side of the third ring step portion is gradually raised to form a fourth ring step portion and a fifth ring step portion, wherein the fourth ring step portion matches the first ring step portion, and the fifth ring step portion matches the second ring step portion; the fifth ring step portion is recessed with the magnetic induction device that matches the magnetic strip.

5. The refrigerator according to claim 4, characterized in that: A circumferential surface transitioning from the step surface of the first ring step portion to the step surface of the second ring step portion is a surface inclined toward the step surface of the second ring step portion.

6. The refrigerator according to claim 1, characterized in that: An L-shaped ring notch is formed on the outer circumference of the bottom of the kettle, and a magnetic strip is embedded in the middle of the bottom of the kettle; The tray is concavely provided with a ring recess, so that the outer side of the ring recess forms a second outer ring foot, and the second outer ring foot matches the L-shaped ring notch; The magnetic induction device is embedded in the middle position of the ring recess.

7. The refrigerator according to claim 6, characterized in that: A water guide ring groove is formed on the bottom surface of the annular recess, a drainage port is formed on the bottom wall of the water guide ring groove, and a drawable baffle for blocking / opening the drainage port is provided on one side of the tray; A water storage box is provided at the lower side of the drinking water chamber, and the water storage box is communicated with the drain port; An overflow detection unit is provided on the side wall of the water guide ring groove at the drain outlet, and the overflow detection unit is connected to the control unit; When the water depth at the drain outlet can be detected by the overflow detection unit, an overflow signal is output to the control unit, and the control unit stops adding water to the kettle and simultaneously reminds the user to pull out the baffle to drain the water in the water guide ring groove into the water storage box.

8. The refrigerator according to claim 7, characterized in that: The overflow detection unit comprises: a first electrode and a second electrode, wherein the first electrode and the second electrode form an overflow switch, and when the water depth reaches a level that connects the first electrode and the second electrode, the overflow switch is turned on, otherwise, the overflow switch is turned off; The overflow detection circuit, the overflow switch is arranged in the overflow detection circuit, and is used to send the overflow signal to the control unit when the overflow switch is connected, otherwise no overflow signal is sent.

9. The refrigerator according to claim 8, characterized in that: The refrigerator further comprises: A water absorption module, which absorbs water in the water storage box; An ultrasonic generating device is connected to the control unit through a driving module and is used to control the generation of ultrasonic waves. The ultrasonic generating device is attached to the water absorption module and uses the ultrasonic waves to vibrate the water in the water absorption module to generate atomized gas, which is sprayed into the cold storage chamber through an atomizing port.

10. The refrigerator according to claim 7, characterized in that: The baffle is L-shaped and includes a first plate and a second plate that are butted together. A through groove that passes through the drain outlet is provided on the outer side of the tray in a horizontal direction. The first plate extends into the through groove and blocks the drain outlet while the second plate abuts against the outer side of the tray.

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