Coffee machine

Abstract

The invention provides a coffee machine which comprises an ice making box, an ice making module and a coffee module, the ice making box is provided with an ice storage cavity and a cold water cavity which communicate with each other, and the ice storage cavity is arranged above the cold water cavity; the ice making module is arranged in the ice making box, located above the ice storage cavity and arranged on one side in the left-right direction of the coffee machine in an extending mode in the front-back direction, the ice making module has an ice making mode for making ice blocks and a cold water making mode for making cold water, the made ice blocks can fall into the ice storage cavity, and the made cold water can flow into the cold water cavity; the coffee module is at least partially arranged on the front side of the ice making box, is provided with an extraction opening communicated with the cold water cavity and is used for conducting low-temperature extraction on coffee raw materials. The embodiment aims to improve the coordination problem of ice making and cold water supply of the coffee machine.

Description

Technical Field

[0001] This application relates to the field of coffee machine technology, and more particularly to a coffee machine. Background Technology

[0002] Coffee machines are common beverage preparation equipment. To meet users' demand for cold coffee, related technologies use an external ice maker to separately produce ice cubes when making cold coffee. Users need to manually add the ice cubes to the coffee to mix and cool it down.

[0003] However, using an external, independent ice-making device requires additional space and the ice transport process is cumbersome, making it impossible to achieve integrated and coordinated operation of ice making, cold water supply, and coffee preparation. Summary of the Invention

[0004] This application provides a coffee machine designed to improve the coordination between ice making and cold water supply in coffee machines.

[0005] This application provides a coffee machine, including:

[0006] A refrigerator is provided, which has an ice storage cavity and a cold water cavity that are connected to each other, with the ice storage cavity located above the cold water cavity; An ice-making module is disposed in the coffee maker, located above the ice storage cavity, and extending along the front-back direction on one side of the coffee maker in the left-right direction. The ice-making module has an ice-making mode for making ice cubes and a cooling water mode for making cold water, and the made ice cubes can fall into the ice storage cavity, while the made cold water can flow into the cold water cavity; and The coffee module is at least partially arranged on the front side of the refrigerator and has an extraction port connected to the cold water chamber for low-temperature extraction of coffee raw materials.

[0007] In some embodiments, the ice-making module includes: A spray element, located above the ice storage chamber, has multiple spray holes communicating with the cold water chamber; and An ice-making grid is disposed above the spray unit. The ice-making grid has multiple ice-making slots, the openings of which face the spray holes. The ice-making slots are used to exchange heat with water to make ice.

[0008] In some embodiments, a plurality of spray holes are provided in a one-to-one correspondence with a plurality of ice-making tanks.

[0009] In some embodiments, the vertical projection of all the ice-making tanks is located within the area of ​​the spray element along the vertical direction, and the spray element is inclined downward toward the opening of the ice storage cavity to guide the ice block into the ice storage cavity.

[0010] In some embodiments, the coffee machine further includes: A circulating pump is connected to the refrigerator, and the inlet of the circulating pump is connected to the cold water chamber; and The circulation pipe is connected at one end to the outlet of the circulation pump and at the other end to the spray element and communicates with the spray hole.

[0011] In some embodiments, the coffee machine further includes a compressor and a condenser, the compressor, the condenser, and the ice tray being connected to form at least part of a refrigeration cycle; A refrigerant branch pipe is provided between the compressor and the ice tray, and the coffee machine also includes: A refrigerant valve is installed on the refrigerant branch pipe and is used to control the on / off state of the refrigerant branch pipe.

[0012] In some of these embodiments, the refrigerator is stepped, and a clearance space is formed on the lower rear side; The compressor and the condenser are arranged adjacent to each other in the left-right direction, and the whole formed by the two is at least partially housed in the sheltered position.

[0013] In some embodiments, the ice-making module includes: The water receiving box, together with the ice tray, forms a receiving cavity with an opening on one side, and the spray component is supported on the bottom wall of the receiving cavity; The water receiving box is located near the upper left part of the refrigerator, with the opening facing to the right; or, the water receiving box is located near the upper right part of the refrigerator, with the opening facing to the left.

[0014] In some embodiments, the water receiving box includes: The box body, together with the ice tray, defines the receiving cavity, and also has a water collection port communicating with the receiving cavity; the bottom wall of the receiving cavity extends downward at least partially from the opening toward the water collection port; and A water guide section is connected to the bottom of the housing that defines the water collection port. The water guide section has a water guide groove that communicates with both the water collection port and the cold water chamber. The water guide groove extends in the vertical direction.

[0015] In some of these embodiments, the projection of the water guide channel does not overlap with the projection of the ice storage cavity in the vertical direction.

[0016] In some embodiments, the refrigerator includes: Box body; The inner liner structure, located within the box body, comprises a first chamber, a second chamber, and the cold water chamber, which are sequentially connected from top to bottom; and An ice storage shell is at least partially disposed in the second chamber and has the ice storage cavity, wherein the groove wall of the ice storage cavity has at least one water passage hole communicating with the cold water cavity; The water receiving box is located in the first chamber.

[0017] In some of these embodiments, the horizontal cross-sectional areas of the first chamber, the second chamber, and the cold water chamber decrease sequentially.

[0018] In some embodiments, the ice storage cavity includes a first cavity bottom wall and a second cavity bottom wall connected and arranged at an angle, and the connection position of the first cavity bottom wall and the second cavity bottom wall forms the low-level area of ​​the ice storage cavity; At least one of the water passage holes is located in the low-level area.

[0019] In some embodiments, the inner liner structure has a probe port penetrating the ice storage shell; the refrigerator includes: An infrared detection component is arranged corresponding to the detection port, and the detection optical path of the infrared detection component is irradiated into the ice storage cavity through the detection port.

[0020] In some embodiments, the main body of the coffee maker has a through-hole extending through the inner liner structure, a portion of the ice storage shell extends beyond the through-hole and defines an ice outlet communicating with the ice storage cavity; the coffee maker includes: An ice dispensing device is rotatably mounted on the ice storage shell to move the ice blocks in the ice storage cavity to the ice outlet.

[0021] In some embodiments, the front of the ice storage shell has a perforation, and the ice dispensing device includes: An ice-discharging motor is connected to the ice storage shell, and the output shaft of the ice-discharging motor passes through the through hole; and An ice-discharging screw is driven by the output shaft of the ice-discharging motor and extends into the ice storage chamber.

[0022] In some embodiments, the ice storage shell includes: An ice storage section having the ice storage cavity; and The ice outlet has the ice outlet, which is connected to the side of the ice storage section facing the communication port and extends to the outside of the box body through the communication port.

[0023] In some embodiments, the ice storage shell includes: An ice outlet is located between the ice storage cavity and the ice outlet and is rotatably connected to the ice outlet section, so as to have an ice outlet position that connects the ice storage cavity and the ice outlet and an ice-blocking position that blocks the ice storage cavity and the ice outlet.

[0024] In some embodiments, the ice storage shell includes: An ice-discharging electromagnet is installed in the ice-discharging section and is positioned close to the ice-discharging gate; The ice-discharging gate has a magnetic part, and the ice-discharging electromagnet cooperates with the magnetic part to drive the ice-discharging gate to rotate between the ice-discharging position and the ice-blocking position.

[0025] In some embodiments, the coffee machine has an extraction flow path that connects the cold water chamber and the extraction port; the coffee machine includes: A water pump is installed on the extraction flow path to pump cold water from the cold water chamber to the extraction port.

[0026] In some embodiments, the coffee module includes: A flow meter, installed in the extraction flow path downstream of the outlet pump, is used to detect the amount of water flowing through the extraction flow path; and An extraction pump is installed in the extraction flow path, downstream of the flow meter.

[0027] In some of these embodiments, it also includes: A buffer noise reduction component is installed in the extraction flow path, downstream of the extraction pump, to reduce water flow noise.

[0028] In some embodiments, the coffee machine has a hot brew mode and a cold brew mode, and the coffee module further includes: A pressurized instant heating component is disposed on the extraction flow path and is used to heat the flowing water in the hot extraction mode.

[0029] In some embodiments, the coffee machine further includes: Filter assembly, used to filter raw water; The coffee module also includes: The pure water tank has a pure water chamber connected to the outlet of the filter assembly and is connected to the pressurized instant heating assembly.

[0030] In some embodiments, the pure water tank has an overflow port connected to the pure water chamber, the overflow port being arranged near the upper part of the pure water tank, and the overflow port also being connected to the cold water chamber.

[0031] In some embodiments, the extraction flow path includes: The cold water supply branch has its inlet end connected to the cold water chamber. The pure water supply branch has its inlet end connected to the pure water tank; and The main water outlet is equipped with the pressurized instant heating component. The water inlet is connected to the water outlet of both the cold water supply branch and the pure water supply branch, and the water outlet is connected to the extraction port.

[0032] In some embodiments, the coffee module includes: An extraction apparatus having the extraction port; and A water outlet assembly includes a water outlet valve and a water outlet nozzle connected to the water outlet of the water outlet valve; The outlet end of the main water outlet is connected to both the extraction port and the outlet of the water outlet valve.

[0033] In some embodiments, the extraction device further includes a pressure relief port, and the coffee module further includes: A coffee valve is disposed between the water outlet main and the extraction device, and has a valve inlet connected to the water outlet main, a first valve outlet connected to the extraction port, and a second valve outlet connected to the pressure relief port.

[0034] The ice-making module in this embodiment has dual-mode operation capability, specifically an ice-making mode for making ice cubes and a cooling water mode for making cold water. The made ice cubes can fall into the ice storage chamber, and the made cold water can flow into the cold water chamber. Solid ice or liquid cold water is generated as needed and introduced into the corresponding storage chamber using the initial arrangement. One refrigeration system simultaneously meets the dual needs of ice making and cooling water. The separate storage of solid ice and liquid cold water ensures the dryness of the ice cubes in the ice storage chamber and prevents the ice cubes from melting and sticking together in the ice storage chamber. It also provides liquid preparation for cold brewing in the subsequent coffee module.

[0035] Furthermore, the ice-making module is arranged on one side of the coffee machine in the front-back direction, which can make full use of the vertical space on the left and right sides of the coffee machine, freeing up space on the other side. This avoids the ice-making module being placed horizontally inside the coffee machine in the left-right direction, thus avoiding spatial interference with other functional modules. It also leaves enough space for the coffee module to be placed on the front side, improving the utilization rate of the internal space of the whole machine. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram of the structure of a coffee machine provided in one embodiment of this application; Figure 2This is a schematic diagram of the workflow of a coffee machine provided in one embodiment of this application; Figure 3 for Figure 1 A schematic diagram of the exploded structure shown; Figure 4 for Figure 1 Another exploded structural diagram of the structure shown; Figure 5 for Figure 1 Another exploded structural diagram of the part shown; Figure 6 for Figure 1 A structural diagram of the part shown; Figure 7 for Figure 1 A cross-sectional view of the structure shown along the front-to-back direction. Figure 8 for Figure 1 The diagram shows the structure of the water receiving box, ice tray, and spray unit.

[0038] Explanation of reference numerals in the attached figures: 100. Coffee machine; 10. Refrigerator; 10b. Cold water chamber; 11. Cabinet body; 11a. Clearance position; 11b. Connecting port; 12. Inner liner structure; 12a. First chamber; 12b. Second chamber; 12c. Detection port; 13. Ice storage shell; 13a. Ice storage cavity; 131. Ice storage section; 131a. Water passage hole; 1311. Bottom wall of first chamber; 1312. Bottom wall of second chamber; 14. Infrared detection component; 132. Ice outlet; 132a. Ice outlet; 133. Ice outlet door; 20. Ice making module; 21. Spray component; 21a. Spray hole; 22. Ice grid; 22a. Ice trough; 23. Water receiving box; 23a. Receiving cavity; 231. Box body; 231a. Water collection port; 232. Guide Water section; 232a, Water guide trough; 30, Coffee module; 31, Flow meter; 32, Extraction pump; 33, Buffer and noise reduction component; 34, Pressurized instant heating component; 35, Pure water tank; 35a, Pure water chamber; 35b, Overflow port; 36, Extraction device; 36a, Pressure relief port; 37, Water outlet component; 371, Water outlet valve; 38, Coffee valve; 40, Circulation pump; 50, Circulation pipe; 60, Compressor; 70, Condenser; 80, Ice outlet device; 81, Ice outlet motor; 82, Ice outlet screw; 91, Water outlet pump; 92, Filter assembly; 921, First filter element; 922, Second filter element; 93, Switching valve; 94, Raw water tank; 94a, Raw water chamber; 96, Instant heat pump; 97, Check valve; 98, Wastewater valve; 1A, Extraction Flow Path; 1A1, Cold Water Supply Branch Path; 1A2, Pure Water Supply Branch Path; 1A3, Main Outlet Water Path; 2A, Return Pipeline; 2A1, Cold Water Outlet Pipeline; 2A2, Return Branch Path; 5A, Wastewater Flow Path. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0040] like Figure 1 As shown, coffee machine 100 is a device used to prepare coffee beverages. It provides users with finished coffee products of different flavors and temperatures by extracting and brewing coffee raw materials. It is widely used in homes, offices and various beverage sales scenarios.

[0041] In related technologies, to achieve the preparation of low-temperature coffee, the equipment typically uses an external, independent ice-making device to produce ice cubes, which are then transferred separately to the coffee preparation equipment, along with a cold water supply structure to meet the requirements of low-temperature extraction. However, using an external, independent ice-making device requires additional space, and the ice cube transfer process is cumbersome, making it impossible to achieve integrated and coordinated operation of ice making, cold water supply, and coffee preparation.

[0042] Therefore, as Figure 1 , Figure 2 and Figure 3 As shown, this embodiment provides a coffee machine 100, including a refrigerator 10, an ice-making module 20, and a coffee module 30. The refrigerator 10 is integrated into the coffee machine 100. The refrigerator 10 has a certain height and contains two interconnected cavities, namely an ice storage cavity 13a and a cold water cavity 10b. The ice storage cavity 13a is located above the cold water cavity 10b. This vertical layout makes full use of the internal space of the refrigerator 10. The ice-making module 20 is a component with a refrigeration function. It is located in the refrigerator 10 and above the ice storage cavity 13a, that is, at the top of the refrigerator 10. It is responsible for generating cold energy in the upper layer and forms a vertical stacking relationship with the ice storage cavity 13a.

[0043] It should be noted that the coffee machine 100 has vertical, horizontal, and front-back directions. The vertical direction refers to the height of the coffee machine 100 perpendicular to the ground, that is, the direction extending from the bottom to the top of the coffee machine 100. The front-back direction refers to the direction parallel to the ground and perpendicular to the user's viewing surface. The front side of the coffee machine 100 is the user's viewing side, that is, the side where the user operates and takes coffee, while the back side is the side away from the user's viewing side. The horizontal direction refers to the direction parallel to the ground and parallel to the user's viewing surface; that is, when the user stands in front of the coffee machine 100 (the user's viewing side), their left-right direction is consistent with the left-right direction of the coffee machine 100.

[0044] The ice-making module 20 has dual-mode operation capability, specifically an ice-making mode for making ice cubes and a cooling water mode for making cold water. The ice cubes can fall into the ice storage chamber 13a, and the cold water can flow into the cold water chamber 10b. Solid ice or liquid cold water is generated as needed and introduced into the corresponding storage chamber using the initial arrangement. One refrigeration system simultaneously meets the dual needs of ice making and cooling water. The solid ice or liquid cold water is stored separately, ensuring the dryness of the ice cubes in the ice storage chamber 13a and preventing the ice cubes from melting and sticking together in the ice storage chamber 13a. It also provides liquid preparation for cold brewing in the subsequent coffee module 30.

[0045] The coffee module 30 is at least partially arranged at the front of the refrigerator 10. The coffee module 30 is a coffee extraction unit, with its main body located in the front area of ​​the refrigerator 10. It is capable of performing coffee extraction. The coffee module 30 has an extraction port connected to the cold water chamber 10b for low-temperature extraction of coffee raw materials. This means that during coffee extraction, low-temperature water from the cold water chamber 10b can be directly introduced, ensuring that the extraction process takes place in a low-temperature environment. This allows the prepared coffee liquid to achieve a low-temperature taste without subsequent cooling, and the slow, low-temperature extraction helps to enhance the flavor of the coffee. Furthermore, because the refrigerator 10 and the coffee module 30 are arranged adjacent to each other in the front-back direction, the water path is shortened, thereby ensuring the taste and quality of the low-temperature coffee.

[0046] The ice-making module 20 is arranged along the front-back direction on one side of the coffee machine 100 in the left-right direction. This makes full use of the vertical space on the left-right side of the coffee machine 100, freeing up space on the other side. It avoids being horizontally placed inside the coffee machine 100 in the left-right direction, thus avoiding spatial interference with other functional modules. It also leaves sufficient space for the arrangement of the front coffee module 30, improving the utilization rate of the internal space of the whole machine.

[0047] like Figure 4 and Figure 5 As shown, in some embodiments, the ice-making module 20 includes a spray element 21 and an ice grid 22. The ice-making module 20 is a component that realizes uniform water spraying and provides a stable water source for ice making and cooling water. The spray element 21 is located above the ice storage chamber 13a. The spray element 21 has multiple spray holes 21a that are connected to the cold water chamber 10b. The aperture and distribution density of the spray holes 21a can be set according to the size of the ice grid 22.

[0048] The ice tray 22 is made of a metal material with good thermal conductivity, such as aluminum, and can be supported by the refrigerator 10. The ice tray 22 is located above the spray unit 21 and is arranged at intervals with the spray unit 21. The ice tray 22 has multiple ice-making slots 22a (e.g., Figure 8The ice tray 22 is a mold with multiple grooves. The opening of the ice tray 22a is set towards the spray hole 21a, so that the water sprayed from the spray hole 21a can cover the ice tray 22a. Multiple ice trays 22a make ice at the same time, which effectively improves the ice making efficiency and can quickly replenish the ice block reserves of the ice storage cavity 13a.

[0049] The water in the cold water chamber 10b can be utilized by the spray component 21. During ice making and cooling, water is drawn from the cold water chamber 10b and sprayed upwards. The ice-making tank 22a is used for heat exchange with the water to make ice. The inner wall of the ice-making tank 22a serves as a heat exchange surface. When water is sprayed onto the tank body of the ice-making tank 22a, it freezes and forms ice under low temperature, integrating the cooling component and the forming component into one, reducing energy loss in the intermediate conduction process. Unfrozen water or excess water can fall naturally into the cold water chamber 10b by gravity without the need for additional recovery power.

[0050] In this embodiment, the ice grid 22 and the spray component 21 are arranged vertically in a corresponding manner, with a reasonable structural layout. It utilizes the vertical space of the ice-making module 20 without occupying additional space, further optimizing the compactness of the ice-making module 20 and matching the overall layout design. At the same time, the setting of the ice grid 22 makes the ice-making process more targeted, and the ice blocks are formed in a regular shape, which is convenient for storage and subsequent melting and replenishment of cold water, thus improving the practicality and reliability of the ice-making module 20.

[0051] In some embodiments, a plurality of spray holes 21a are provided in a one-to-one correspondence with a plurality of ice-making tanks 22a. That is, each ice-making tank 22a has a spray hole 21a specifically for supplying water to it, so that each ice-making tank 22a can obtain a directional water supply, thereby reducing the splashing of water into non-icing areas during the spraying process.

[0052] This ensures a roughly uniform water flow to each ice-making tank 22a, guaranteeing the uniformity of the ice block's size and density within the multiple tanks. It avoids issues such as inconsistent ice block size or some tanks failing to form ice due to uneven water distribution, thus improving the stability of ice-making quality. The one-to-one correspondence setup makes the ice-making process more controllable, ensuring synchronized water supply and heat exchange for each tank 22a, improving ice-making efficiency and guaranteeing that the ice storage chamber 13a can quickly and stably obtain qualified ice blocks.

[0053] Specifically, in this embodiment, the multiple ice-making slots 22a on the ice-making tray 22 have two rows and five columns in the front-to-back direction, so that the ice-making tray 22 presents a strip-shaped outline that is long in the front and back and narrow in the left and right directions. This makes full use of the depth space of the coffee machine 100, effectively controls the volume of the coffee machine 100 in the left and right directions, avoids the whole machine from being too bulky, improves the compactness of the whole machine structure, and matches the overall layout of the ice-making module 20 extending in the front-to-back direction.

[0054] In some embodiments, the vertical projections of all ice-making tanks 22a are located within the area of ​​the spray member 21 along the up-down direction. That is, when viewed from the vertical direction, the edge of each ice-making tank 22a will not exceed the boundary of the spray member 21, and the outer contour of the spray member 21 completely covers the projections of all ice-making tanks 22a.

[0055] Furthermore, the opening of the ice storage cavity 13a faces upwards and is located below the spray element 21. Along the vertical direction, the projection of the opening of the ice storage cavity 13a is at least partially outside the projection of the spray element 21. In this embodiment, the spray element 21 is inclined downwards towards the opening of the ice storage cavity 13a. That is to say, the spray element 21 itself is not installed horizontally, but is in an inclined posture, with the lower side facing the inlet direction of the ice storage cavity 13a, so as to guide the ice blocks into the ice storage cavity 13a. With the inclined guiding effect of the spray element 21, the ice blocks can slide quickly and smoothly into the ice storage cavity 13a, avoiding problems such as reduced ice-making efficiency and structural blockage caused by ice blocks accumulating on the spray element 21.

[0056] This creates a continuous process where ice blocks are removed from the ice-making tank 22a, the spray unit 21 acts as a support, and the ice blocks slide off the surface of the spray unit 21 into the ice storage cavity 13a. This process is completed by gravity and does not require an additional power source to guide the ice blocks into the ice storage cavity 13a.

[0057] Since the horizontal cross-sectional area of ​​the spray element 21 is greater than or equal to the horizontal projected area of ​​the ice grid 22, the centers of the two can be aligned during installation, ensuring that the entire ice trough 22a falls within the coverage area above the spray element 21. During ice removal, the ice blocks fall directly onto the spray element 21 after detaching from the ice trough 22a, rather than falling into areas outside the spray element 21, such as gaps in the box or other components. This ensures a controllable ice recovery path and prevents ice blocks from getting stuck in unexpected locations.

[0058] like Figure 5 and Figure 7 As shown, in some embodiments, the coffee machine 100 further includes a compressor 60, a condenser 70, and a throttling device. The compressor 60 is used to compress and drive the refrigerant circulation, and the condenser 70 is used to dissipate the heat of the high-temperature, high-pressure refrigerant into the environment. The compressor 60, condenser 70, throttling device, and ice tray 22 are connected to form at least part of the refrigeration cycle, that is, the ice tray 22 serves as an evaporator component in the refrigeration cycle, forming a refrigerant flow path in series with the compressor 60 and condenser 70 through pipelines. By using the ice tray 22 directly as an evaporator, the cooling capacity is generated directly on the surface of the ice tray 22 without the need for secondary refrigerant or refrigerant transfer, resulting in high cooling efficiency and fast response speed.

[0059] A refrigerant branch pipe is provided between the compressor 60 and the ice grid 22. The refrigerant branch pipe is connected in series between the compressor 60 and the ice grid 22. The high-temperature and high-pressure refrigerant gas compressed by the compressor 60 but not cooled by the condenser 70 is directly, stably and sealedly delivered to the ice grid 22. The heat of the high-temperature refrigerant is used to heat the ice grid 22, so that the ice blocks formed in the ice grid 22a are separated from the inner wall of the ice grid 22a, realizing the de-icing function and ensuring that the ice blocks can fall smoothly into the ice storage cavity 13a.

[0060] The coffee machine 100 also includes a refrigerant valve, which is located on the refrigerant branch pipe and is used to control the opening and closing of the refrigerant branch pipe. It can control its opening and closing according to actual ice removal and ice making needs, thereby controlling the flow and blockage of high-temperature refrigerant in the refrigerant branch pipe. By controlling the opening and closing of the refrigerant branch pipe, precise control is achieved over the supply of high-temperature refrigerant for ice removal from the ice tray 22. When ice making is complete and ice removal is needed, the refrigerant valve is opened, allowing the high-temperature refrigerant generated by the compressor 60 to directly enter the ice tray 22 through the refrigerant branch pipe, using the high temperature to separate the ice from the ice maker 22a.

[0061] In this embodiment, the refrigerant valve enables on-demand control of the high-temperature refrigerant used for de-icing. It can flexibly open or close the supply of high-temperature refrigerant according to the de-icing requirements, avoiding incomplete de-icing due to insufficient supply of high-temperature refrigerant during the de-icing stage, or the entry of high-temperature refrigerant into the ice-making grid 22 during the non-de-icing stage, which affects the ice-making efficiency, while effectively reducing energy consumption.

[0062] like Figure 5 and Figure 7 As shown, in some embodiments, the refrigerator 10 is stepped, that is, the bottom of the refrigerator 10 forms a staggered stepped structure along the vertical direction, and a clearance position 11a is formed on the lower rear side. Understandably, the clearance position is defined by the stepped shape. The compressor 60 and the condenser 70 are arranged adjacent to each other in the left and right direction, which can shorten the refrigerant pipeline connection distance between them, reduce the heat loss and leakage risk of refrigerant in the pipeline, and the whole formed by the two is at least partially housed in the clearance position 11a. This makes full use of the idle space on the lower rear side of the refrigerator 10, without occupying the extra space in the left and right direction of the coffee machine 100, further controlling the volume of the whole machine in the left and right direction, avoiding the whole machine from being too bulky, and forming a synergy with the layout of the ice making module 20 extending in the front and back direction, improving the space utilization of the whole machine.

[0063] The compressor 60 and condenser 70 are centrally arranged and housed in the sheltered position 11a, which makes the layout of the refrigeration components more regular and avoids spatial interference with other components such as the ice-making module 20 and coffee module 30. This improves the coordination and compactness of the overall structure, facilitates the maintenance and repair of the refrigeration components, reduces the later maintenance costs, and the central arrangement can reduce the impact of vibration of the refrigeration components during operation on the whole machine, improve the stability of equipment operation, and indirectly ensure the stable realization of ice-making and coffee cold brewing functions.

[0064] like Figure 2 and Figure 5 As shown, in some embodiments, the coffee machine 100 also includes a circulation pump 40 and a circulation pipe 50, both disposed within the refrigerator 10. The circulation pump 40 is connected to the refrigerator 10, specifically to the lower part of the refrigerator 10, and the water inlet of the circulation pump 40 is connected to the cold water chamber 10b to ensure that cold water can stably enter the circulation pump 40. The function of the circulation pump 40 is to provide power to extract the low-temperature cold water stored in the cold water chamber 10b and generated autonomously by the coffee machine 100, providing continuous and stable power support for the cold water to be delivered to the spray nozzle 21, ensuring that the cold water can smoothly reach the spray hole 21a to meet the ice-making needs of the ice-making module 20.

[0065] The circulation pipe 50 is a flexible pipe, extending vertically to accommodate the complex installation space within the coffee machine 100. One end of the circulation pipe 50 is connected to the outlet of the circulation pump 40, and the other end is connected to the spray element 21 and communicates with the spray hole 21a. The circulation pipe 50 connects the circulation pump 40 and the spray element 21, forming a complete cold water delivery channel. The circulation pipe 50 is a sealed pipe, which reduces temperature loss of cold water during delivery, ensuring that the cold water delivered to the spray element 21 remains at a low temperature. This provides stable temperature conditions for the ice-making process and indirectly guarantees a continuous supply of low-temperature water required for cold brewing coffee.

[0066] The circulation pump 40 and circulation pipe 50 enable the recycling of cold water. When the spray water does not fully participate in ice making, falls into the ice storage chamber 13a and flows back to the cold water chamber 10b, it can be pumped out again by the circulation pump 40 and transported to the spray component 21 through the circulation pipe 50, thereby further improving the water resource utilization rate.

[0067] like Figure 6 , Figure 7 and Figure 8 As shown, in some embodiments, the ice-making module 20 includes a water receiving box 23, which is generally square in shape. An ice grid 22 is supported on the top of the water receiving box 23, forming the top wall structure of the water receiving box 23. The water receiving box 23 and the ice grid 22 together enclose a receiving cavity 23a with an opening on one side. A spray element 21 is supported on the bottom wall of the receiving cavity 23a, providing a stable support for the spray element 21 and ensuring that the spray element 21 can spray corresponding to the ice grid 22. This avoids spray misalignment and water waste caused by the spray element 21 shifting, thereby ensuring ice-making efficiency and quality. Furthermore, the bottom wall of the receiving cavity 23a supports the spray element 21, making its installation more stable, reducing vibration during ice making, and improving spray uniformity. Simultaneously, the receiving cavity 23a can guide the sprayed water, limiting the spray range and further ensuring that the sprayed water falls accurately into the ice-making tank 22a.

[0068] Meanwhile, the water collection box 23 can collect the spray water that does not form ice during the spraying process, preventing water from spilling onto the outside of the ice-making module 20 and realizing the recycling of water resources.

[0069] The water collection box 23 is positioned near the upper left of the refrigerator 10, with its opening facing to the right; or, the water collection box 23 is positioned near the upper right of the refrigerator 10, with its opening facing to the left. This arrangement is intended to provide a smooth channel for the ice blocks to fall after de-icing. Specifically, if the water collection box 23 is positioned near the upper left of the refrigerator 10 and its opening faces to the right, then sufficient open space will be reserved on the right side of the water collection box 23. After the ice tray 22 has finished de-icing, the ice blocks will fall from the ice tray 22 and onto the spray unit 21 below. Then, following the inclined structure of the spray unit 21, they can smoothly slide out of the water collection box 23 from the opening facing to the right of the receiving cavity 23a, and finally fall into the ice storage cavity 13a below. Similarly, if the water receiving box 23 is located near the upper right side of the refrigerator 10 and the opening faces to the left, an open space will be formed on the left side of the water receiving box 23. The ice blocks after de-icing can slide out smoothly from the left opening of the receiving cavity 23a, avoiding the accumulation and jamming of ice blocks in the water receiving box 23.

[0070] The single-sided layout and opening orientation design not only provide a smooth path for the ice cubes to slide down after they fall off, ensuring the continuity of the ice removal process and avoiding the decrease in ice-making efficiency caused by ice accumulation, but also reserve sufficient space for other internal components of the coffee machine 100, such as the coffee module 30 and the refrigeration components, avoiding spatial interference and optimizing the overall layout coordination.

[0071] like Figure 7 and Figure 8 As shown, in some embodiments, the water receiving box 23 includes an integrally formed box body 231 and a water guiding part 232. The box body 231 is a cuboid hollow box and is the main part of the water receiving box 23. The box body 231 and the ice tray 22 together define the receiving cavity 23a, providing a stable installation support base for the spray component 21. Understandably, the spray component 21 is located in the receiving cavity 23a. In the cooling water mode of the coffee machine 100, the water flow sprayed from the spray component 21 comes into contact with the low-temperature tank wall of the ice tray 22a, and the heat exchange is converted into cold water that falls into the receiving cavity 23a. Alternatively, in the ice-making mode, the part of the water flow that does not freeze into ice after being sprayed from the spray component 21 will also fall into the receiving cavity 23a. That is to say, the box body 231 can collect the spray water through its own structure. The spray water here includes at least the water flow in the above two cases.

[0072] The box body 231 also has a water collection port 231a connected to the receiving cavity 23a. Along the left and right direction, the water collection port 231a is located on the side away from the opening of the water receiving box 23, and the water collection port 231a is opened at the bottom of the box body 231. At least part of the bottom wall of the receiving cavity 23a extends downward at an angle from the opening toward the water collection port 231a. It can use gravity to quickly and smoothly guide the collected spray water along the bottom wall of the receiving cavity 23a to the water collection port 231a, avoiding the accumulation and residue of redundant water at the bottom of the receiving cavity 23a. This not only ensures the cleanliness of the inside of the water receiving box 23, but also improves the efficiency of water resource recycling.

[0073] The water guide section 232 is used to receive the water flow from the water collection port 231a of the box body 231. The water guide section 232 is connected to the bottom of the box body 231 that defines the water collection port 231a. The water guide section 232 has a water guide groove 232a that is connected to both the water collection port 231a and the cold water chamber 10b. It can stably and smoothly guide the spray water out of the receiving cavity 23a. The water guide groove 232a extends in the vertical direction. Since the cold water chamber 10b is located in the lower space of the refrigerator 10, the water guide path is shortened, and the spray water is prevented from spilling during the water guide process, ensuring that the spray water can flow smoothly into the cold water chamber 10b below.

[0074] In some embodiments, the projection of the water guide trough 232a and the projection of the ice storage cavity 13a do not overlap in the vertical direction. Since the cold water cavity 10b is arranged below the ice storage cavity 13a, the spray water collected by the box 231 needs to pass through the space where the ice storage cavity 13a is located when it is transported to the cold water cavity 10b. In this embodiment, since the water guide trough 232a and the ice storage cavity 13a are staggered in the vertical space, the spray water discharged from the water guide trough 232a can be directed to the target position, preventing the redundant water discharged from the water guide trough 232a from directly washing the ice blocks inside the ice storage cavity 13a, avoiding the ice blocks from melting quickly due to the impact of the water flow, ensuring the ice preservation effect of the ice storage cavity 13a, and ensuring that the ice storage cavity 13a can store ice blocks normally.

[0075] This design allows the water guide channel 232a and the ice storage cavity 13a to function within their respective spaces without interfering with each other, further optimizing the spatial layout of the ice-making module 20 and avoiding space waste. It also facilitates the arrangement of the water guide channel 232a and the maintenance of the ice storage cavity 13a, improving the practicality of the equipment. The space constraints of this embodiment also prevent the water guide channel 232a from occupying the vertical space of the ice storage cavity 13a, ensuring that the ice storage cavity 13a has sufficient ice storage volume to meet ice storage requirements.

[0076] like Figure 5As shown, in some embodiments, the refrigerator 10 includes a body 11, an inner liner structure 12, and an ice storage shell 13. The body 11 is the outermost structure of the refrigerator 10 and can serve as the load-bearing structure and protective body of the refrigerator 10. It is used to accommodate and protect the inner liner structure 12 and the ice storage shell 13. The body 11 can seal and protect the internal components, isolate them from external environmental interference such as temperature and dust, and prevent the internal ice and water storage from being affected by external factors, resulting in problems such as temperature rise and pollution. At the same time, it provides structural support for the entire refrigerator 10 and ensures the stability of the overall structure of the refrigerator 10.

[0077] The inner liner structure 12 is located inside the main body 11. The inner liner structure 12 can be made of food-grade stainless steel and has insulation properties, reducing heat exchange between the internal low temperature and the outside environment. This allows for the preservation and storage of low-temperature ice and water, preventing rapid melting of ice and rise in water temperature. The inner liner structure 12 has a first chamber 12a, a second chamber 12b, and a cold water chamber 10b connected sequentially from top to bottom. These three chambers are arranged in layers along the height direction, achieving functional zoning and providing dedicated space for the components inside the refrigerator 10.

[0078] The water receiving box 23 is located in the first chamber 12a, while the ice storage shell 13 is a dedicated component in the refrigerator 10 used to form the ice storage cavity 13a and store ice. The ice storage shell 13 is at least partially located in the second chamber 12b, and it has the aforementioned ice storage cavity 13a. The space of the first chamber 12a is used to fix and arrange the water receiving box 23, so that the water receiving box 23, the ice storage shell 13, and the cold water cavity 10b form a layered layout from top to bottom. The first chamber 12a provides dedicated installation space for the water receiving box 23, ensuring that the water receiving box 23 can be stably arranged. At the same time, it makes the layout of the water receiving box 23, the ice storage shell 13, and the cold water cavity 10b more regular, realizes functional zoning, and avoids mutual interference.

[0079] The ice storage chamber 13a has at least one water passage 131a connected to the cold water chamber 10b, which allows the cold water generated by the melting ice to flow into the cold water chamber 10b in a timely manner, preventing the cold water from accumulating in the ice storage chamber 13a and causing the ice to melt faster. At the same time, it replenishes the low-temperature water reserve of the cold water chamber 10b, ensuring that the cold water chamber 10b can continuously provide low-temperature water for the ice making module 20 and coffee cold brewing.

[0080] like Figure 5 and Figure 7 As shown, in some embodiments, the horizontal cross-sectional areas of the first chamber 12a, the second chamber 12b, and the cold water chamber 10b decrease sequentially, meaning the three chambers are connected sequentially from top to bottom. The decreasing cross-sectional dimensions are adapted to the layered layout of the chambers, resulting in an overall structure that gradually shrinks from top to bottom. This design adapts to the functional requirements of each chamber, rationally allocates internal space to avoid wasting space, and guides the smooth flow of water within the chambers, balancing structural compactness and functional practicality.

[0081] The first chamber 12a is used to install the water collection box 23. The water collection box 23 needs to be aligned with the ice grid 22 above to collect the spray water. The required installation space is relatively large. Therefore, the first chamber 12a has the largest horizontal cross-sectional area, which can provide sufficient installation space for the water collection box 23, ensuring that the water collection box 23 can be stably arranged without generating space redundancy.

[0082] The second chamber 12b is used to house the ice storage shell 13. The core function of the ice storage shell 13 is to store ice. The space required is smaller than the installation space of the water receiving box 23. Therefore, the horizontal cross-sectional area of ​​the second chamber 12b is smaller than that of the first chamber 12a, which can meet the installation and ice storage requirements of the ice storage shell 13 while avoiding occupying too much internal space.

[0083] The cold water chamber 10b is only used to store low-temperature water and does not need to accommodate other components. Its volume is increased by setting a certain height, while its horizontal cross-sectional area is the smallest compared to the first chamber 12a and the second chamber 12b. In conjunction with the layered layout of the first chamber 12a, the second chamber 12b and the cold water chamber 10b, the vertical space is used to achieve functional integration without excessive extension in the left and right directions. This further meets the design requirements of controlling the volume in the left and right directions of the whole machine and avoiding the whole machine being too bulky, thus improving the compactness of the whole machine structure. At the same time, it facilitates the assembly of the inner liner structure 12 with the main body 11, the ice storage shell 13 and the water receiving box 23, reducing the assembly difficulty.

[0084] like Figure 6 and Figure 7 As shown, in some embodiments, the ice storage shell 13 has a shape with a gradually decreasing horizontal cross-sectional area from top to bottom, similar to a funnel shape. The ice storage cavity 13a includes a first cavity bottom wall 1311 and a second cavity bottom wall 1312 that are connected and set at an angle. The connection position of the first cavity bottom wall 1311 and the second cavity bottom wall 1312 forms the low-position area of ​​the ice storage cavity 13a. The low-position area is the lowest point of the bottom of the ice storage cavity 13a, which is adapted to the funnel-shaped shape of the ice storage shell 13.

[0085] The low-level zone guides the meltwater from the ice storage cavity 13a to converge there, preventing it from accumulating at the bottom. Furthermore, at least one water passage 131a is located in the low-level zone, penetrating the wall of the ice storage cavity 13a to connect it to the lower cold water cavity 10b. This ensures that the meltwater collected in the low-level zone flows smoothly into the cold water cavity 10b through the water passage 131a. This allows the meltwater generated from the ice melting in the ice storage cavity 13a to converge in the low-level zone and then quickly flow into the cold water cavity 10b through the water passage 131a, achieving efficient meltwater recovery and preventing it from stagnating at the bottom of the ice storage cavity 13a.

[0086] In this embodiment, by setting a water passage hole 131a, no additional flow guiding structure is needed, the meltwater recovery path is shortened, and meltwater is prevented from accumulating at the bottom of the ice storage cavity 13a, which would cause the ice to melt faster. This not only improves the water resource recovery efficiency, but also ensures the ice preservation effect of the ice storage cavity 13a.

[0087] like Figure 5 and Figure 6 As shown, in some embodiments, the inner liner structure 12 has a detection port 12c penetrating the ice storage shell 13. That is, the detection port 12c is a through-hole structure used for infrared detection. The refrigerator 10 includes an infrared detection component 14, which is arranged corresponding to the detection port 12c. The detection light path of the infrared detection component 14 illuminates the ice storage cavity 13a through the detection port 12c. The detection port 12c can connect the outside of the inner liner structure 12 with the inside of the ice storage cavity 13a. The position of the detection port 12c corresponds to the installation position of the subsequent infrared detection component 14, ensuring that the detection light path of the infrared detection component 14 can pass smoothly and directly illuminate the inside of the ice storage cavity 13a, thereby realizing the detection of the ice accumulation height in the ice storage cavity 13a.

[0088] The infrared detection component 14 is electrically connected to the ice-making control module of the coffee machine 100, transmitting detection signals to the control module to trigger the start and stop of ice making. Its core function is to detect the ice accumulation in the ice storage cavity 13a via infrared light. When the ice accumulation reaches a preset height (full ice state), a signal is sent to the control module to stop ice making in the coffee machine 100. When the ice level drops below the preset height, ice making resumes, achieving automated control of the ice-making function. This eliminates the need for manual control of ice making, reducing manual operation, improving the automation level and ease of use of the equipment, and avoiding problems such as ice overflow and energy waste caused by forgetting to stop ice making.

[0089] In this embodiment, an infrared detection component 14 is set to detect when the ice storage cavity 13a is full of ice, thus preventing ice from overflowing. Compared with traditional detection methods, infrared detection has a fast response speed and high detection accuracy, and can accurately identify the full ice state. This avoids excessive ice accumulation and overflow from the ice storage cavity 13a due to untimely detection, and prevents problems such as ice getting stuck in the ice-making module 20 and clogging the water passage 131a, ensuring the stable operation of the ice-making module 20 and the ice storage cavity 13a.

[0090] In some embodiments, two infrared detection components 14 may be provided, with the two infrared detection components 14 respectively disposed on both sides of the inner liner structure 12 in the left-right direction. Correspondingly, two detection ports 12c are arranged one-to-one with the two infrared detection components 14. The detection light path illuminates the interior from the left and right sides of the ice storage cavity 13a through the detection ports 12c, achieving full coverage detection of the left and right areas of the ice storage cavity 13a. Compared with a single infrared detection component 14, which can only detect one side of the area, the double-sided arrangement can effectively avoid detection deviations caused by uneven ice accumulation on the left and right sides of the ice storage cavity 13a. For example, if the ice on one side has reached the full ice height while the other side has not, a single component may easily misjudge that it is not full, causing ice to overflow. The double-sided components can detect the left and right areas simultaneously, ensuring more accurate full ice detection, avoiding the risk of ice overflow, and ensuring the stable function of the ice-making module 20 and the ice storage cavity 13a.

[0091] like Figure 6 and Figure 7 As shown, in some embodiments, the box body 11 has a through-hole 11b penetrating the inner liner structure 12. The through-hole 11b is located on the front side of the box body 11, i.e., facing the user side. The through-hole 11b is a through hole penetrating the inner liner structure 12 and can connect to the second chamber 12b of the inner liner structure 12. A portion of the ice storage shell 13 extends outside the through-hole 11b, i.e., the ice storage shell 13 is at least partially disposed in the second chamber 12b of the inner liner structure 12, with one end extending through the box body. The communication port 11b between 11 and the inner liner structure 12 protrudes to the outside of the body 11 and extends to the ice storage shell 13 outside the communication port 11b, defining an ice outlet 132a that communicates with the ice storage cavity 13a. The ice outlet 132a extends vertically and is located outside the body 11, making it easy for ice to be discharged from the ice storage cavity 13a to the outside of the coffee machine 100. Cups can be placed directly below the ice outlet 132a to catch the ice that falls out of the ice outlet 132a.

[0092] The coffee machine 100 includes an ice dispensing device 80, which is rotatably mounted on the ice storage shell 13. The ice dispensing device 80 is arranged at an angle in the front-to-back direction, with its end away from the connecting port 11b extending into the ice storage cavity 13a to move the ice cubes in the ice storage cavity 13a to the ice dispensing port 132a. The connecting port 11b provides a channel for the extension of the ice storage shell 13. The ice storage shell 13 extends outside the connecting port 11b and forms the ice dispensing port 132a, establishing an outflow channel between the ice storage cavity 13a and the outside. With the rotation drive of the ice dispensing device 80, it can actively move the ice cubes to the ice dispensing port 132a, realizing convenient ice dispensing and meeting the user's need to directly take ice cubes.

[0093] In this embodiment, the ice dispensing device 80 extends into the bottom wall of the ice storage cavity 13a away from the connecting port 11b, which can guide the ice blocks gathered at the bottom to move towards the ice dispensing port 132a, avoiding the accumulation and jamming of ice blocks inside the ice storage cavity 13a, and ensuring that the ice dispensing process is continuous and smooth.

[0094] like Figure 6 and Figure 7 As shown, in some embodiments, the front of the ice storage shell 13 has a perforation. The ice dispensing device 80 includes an ice dispensing motor 81 and an ice dispensing screw 82. The ice dispensing motor 81 is connected to the ice storage shell 13, and the output shaft of the ice dispensing motor 81 passes through the perforation. The ice dispensing motor 81 can be installed outside the ice storage shell 13. The ice dispensing screw 82 is driven by the output shaft of the ice dispensing motor 81 and extends into the ice storage cavity 13a. The ice dispensing screw 82 is arranged inclined downward from front to back. The ice dispensing screw 82 is spaced apart from the wall of the ice storage cavity 13a to ensure that the ice blocks can be effectively moved when rotating without interfering with the wall of the ice storage cavity 13a. Through the pushing action of the ice dispensing screw 82, the friction between ice blocks and between ice blocks and the wall of the ice storage cavity 13a is overcome, and the ice blocks in the ice storage cavity 13a are driven to move smoothly towards the ice outlet 132a to ensure that the ice blocks are smoothly discharged.

[0095] In some embodiments, the ice storage shell 13 includes a split ice storage section 131 and an ice dispensing section 132. The main body of the ice storage section 131 is disposed in the second chamber 12b, and the end near the ice dispensing section 132 overlaps the ice dispensing section 132. The ice storage section 131 has the aforementioned ice storage cavity 13a, and the ice dispensing section 132 has the aforementioned ice dispensing port 132a. The ice dispensing section 132 is connected to the side of the ice storage section 131 facing the communication port 11b, and extends to the outside of the shell body 11 through the communication port 11b. The functional areas of ice storage and ice dispensing are clearly defined. The ice storage section 131 focuses on the storage of ice and the recovery of meltwater, while the ice dispensing section 132 focuses on the dispensing of ice, avoiding the structural complexity and functional interference caused by a single structure taking on two functions.

[0096] Furthermore, the ice storage section 131 and the ice discharging section 132 are designed in segments, allowing for optimization of their structural dimensions according to different functional requirements for ice storage and discharging. For example, the volume of the ice storage cavity 13a in the ice storage section 131 can be optimized to meet ice storage needs, while the size of the ice discharging channel in the ice discharging section 132 can be optimized to meet ice discharging needs, thus improving structural adaptability. Simultaneously, the segmented structure facilitates later maintenance and repair. If the ice discharging section 132 becomes blocked or damaged, it can be repaired or replaced separately without replacing the entire ice storage shell 13, reducing maintenance costs.

[0097] like Figure 7As shown, in some embodiments, the ice storage shell 13 includes an ice outlet door 133. The ice outlet door 133 has a plate-like structure and is located between the ice storage cavity 13a and the ice outlet 132a. It is rotatably connected to the ice outlet part 132. Specifically, the rotatable connection can be achieved through a rotating shaft, hinge, or other structure. It has an ice outlet position that connects the ice storage cavity 13a and the ice outlet 132a, and an ice-blocking position that blocks the ice storage cavity 13a and the ice outlet 132a. Understandably, in the ice outlet position, the ice storage cavity 13a and the ice outlet 132a are connected, which facilitates the discharge of ice. In the ice-blocking position, the ice outlet door 133 rotates to a state that completely blocks the connecting channel, blocking the connection between the ice storage cavity 13a and the ice outlet 132a, and preventing ice from falling out randomly.

[0098] In this embodiment, the ice outlet 133 is set up to control the opening and closing of the ice storage cavity 13a and the ice outlet 132a, so as to realize the controllability of ice discharge. At the same time, it blocks the channel when ice is not being discharged, ensuring the heat preservation effect of the ice storage cavity 13a and preventing ice blocks from falling out accidentally.

[0099] In some embodiments, the ice storage shell 13 includes an ice-discharging electromagnet, which is a power control component that drives the ice-discharging gate 133 to rotate. The ice-discharging electromagnet can be fixedly installed on the ice-discharging part 132 and disposed close to the ice-discharging gate 133. The ice-discharging gate 133 has a magnetic part, which can be made of permanent magnet material or magnetizable metal material and is integrated with the ice-discharging gate 133. The ice-discharging electromagnet cooperates with the magnetic part to drive the ice-discharging gate 133 to rotate between the ice-discharging position and the ice-blocking position.

[0100] In this embodiment, the ice electromagnet works in conjunction with the magnetic part of the ice dispensing door 133. By controlling the energization and de-energization of the electromagnet through the control module, the ice dispensing door 133 can automatically switch between the ice dispensing position and the ice-blocking position, eliminating the need for manual operation and further enhancing the automation level of the ice dispensing function of the coffee machine 100. Furthermore, the electromagnetic drive has a fast response speed and high control precision, accurately controlling the rotation angle of the ice dispensing door 133. This ensures that the ice dispensing door 133 does not obstruct the connecting channel when switched to the ice dispensing position and completely seals the connecting channel when switched to the ice-blocking position, avoiding ice block jamming caused by drive deviation.

[0101] like Figure 2As shown, in some embodiments, the coffee machine 100 has an extraction flow path 1A, which connects the cold water chamber 10b and the extraction port. That is, the extraction flow path 1A is used at least to supply the cold water required for cold brewing. The coffee machine 100 includes a water pump 91, which is a power component that drives the cold water to flow in the extraction flow path 1A. The water pump 91 is connected to the lower part of the inner tank structure 12, that is, near the bottom of the cold water chamber 10b, and is arranged side by side with the circulation pump 40. The water pump 91 is arranged on the extraction flow path 1A to pump the cold water in the cold water chamber 10b to the extraction port. It can start, stop, and speed control according to the user's cold brewing command to adapt to different water supply requirements for cold brewing.

[0102] like Figure 2 As shown, in some embodiments, the coffee module 30 includes a flow meter 31 and an extraction pump 32. The flow meter 31 is installed on the extraction flow path 1A, downstream of the water pump 91, and is used to detect the amount of water flowing through the extraction flow path 1A. The flow meter 31 can be electrically connected to the control module of the coffee machine 100, and can detect the flow rate of the water flowing through it in real time, and feed the flow detection signal back to the control module. The detection accuracy is adapted to the water supply requirements for coffee extraction. The operating status of the water pump 91 can also be adjusted according to the flow data of the flow meter 31 to ensure accurate and controllable water supply.

[0103] The extraction pump 32 is a power component in the coffee module 30 used to enhance the water supply power for extraction and ensure the extraction pressure. The extraction pump 32 is set on the extraction flow path 1A, downstream of the flow meter 31, that is, the extraction pump 32 and the flow meter 31 are arranged in series and located on the side near the extraction port. The extraction pump 32 is electrically connected to the control module of the coffee machine 100 and can realize start-stop and speed control according to the instructions of the control module. Its pumping pressure is adapted to the extraction requirements of coffee extraction, and can provide additional power for water flow delivery, ensuring that the water flow penetrates the coffee powder with stable pressure to achieve full extraction of coffee components.

[0104] like Figure 2 As shown, in some embodiments, the coffee module 30 further includes a buffer noise reduction component 33. The buffer noise reduction component 33 is made of food-grade material with buffering and noise reduction properties, and can be provided with a buffer cavity or noise reduction structure inside. The buffer noise reduction component 33 is set on the extraction flow path 1A, located downstream of the extraction pump 32, and is used to reduce water flow noise. Since the extraction pump 32 provides strong power to the water flow when it is working, the water flows at high speed in the extraction flow path 1A, impacting the pipeline or extraction structure, which can easily generate water flow noise and affect the user experience. The buffer noise reduction component 33 is set downstream of the extraction pump 32, and can weaken the impact force of the water flow through its own buffer structure, slow down the water flow velocity, and reduce the impact and collision between the water flow and the pipeline wall and extraction structure, thereby effectively reducing the noise during the water flow operation.

[0105] Furthermore, the buffer and noise reduction component 33 can buffer the water flow output by the extraction pump 32, balance the water flow rate, and reduce water flow fluctuations, so that the liquid for extraction flows through the extraction structure at a stable flow rate and pressure. Combined with the flow detection of the flow meter 31 and the power supply of the extraction pump 32, it further ensures the stability of the extraction water supply and indirectly improves the consistency of the taste of the extracted coffee.

[0106] In some embodiments, the coffee machine 100 has a hot brew mode and a cold brew mode. The cold brew mode is a working mode in which the coffee machine 100 uses low-temperature water for coffee extraction, such as using cold water from the cold water chamber 10b. Without heating, the cold water is delivered to the extraction port through the extraction flow path 1A. The cold water permeates the coffee grounds at a stable flow rate and pressure, achieving slow extraction of the coffee. The hot brew mode, on the other hand, is a working mode in which the coffee machine 100 uses hot water for coffee extraction.

[0107] To enable the hot brew function, the coffee module 30 also includes a pressurized instant heating component 34. This component has pressure-bearing capabilities, capable of withstanding the pressure during water flow to prevent leakage due to excessive pressure during heating. The pressurized instant heating component 34 is located on the extraction flow path 1A, downstream of the buffer noise reduction component 33, and is used to heat the flowing water in hot brew mode. The pressurized instant heating component 34 is electrically connected to the control module of the coffee machine 100, is mode-controlled, and only operates in hot brew mode. In cold brew mode, it is in a stopped state, does not participate in water flow, and only serves as a part of the water flow through the extraction flow path 1A.

[0108] Since the cold brew mode and the hot brew mode share the same extraction flow path 1A, there is no need to add an additional independent extraction flow path 1A for the hot brew function, which effectively reduces the pipeline layout, saves internal space of the coffee machine 100, and avoids the increase in the size of the whole machine due to the addition of the hot brew function, making the whole machine structure more compact and the layout more reasonable.

[0109] like Figure 2 and Figure 4 As shown, in some embodiments, the coffee machine 100 also includes a filter assembly 92, which is installed inside the coffee machine 100 and is used to filter the raw water. It can effectively filter out impurities, odors, residual chlorine and other harmful substances in the raw water. The filtration precision is adapted to the water supply requirements for coffee extraction, and the structure is sealed to prevent raw water leakage.

[0110] The coffee module 30 also includes a pure water tank 35. The pure water tank 35 is made of food-grade sealing material, which has good sealing performance and corrosion resistance. The pure water tank 35 is located on the front side of the refrigerator 10 and extends in the left and right direction. The pure water tank 35 has a pure water chamber 35a that is connected to the outlet of the filter component 92. The pure water chamber 35a stores purified pure water. At the same time, the pure water chamber 35a is connected to the pressurized instant heating component 34 to provide a dedicated water source for the hot brewing mode. It is clearly defined that the water flow in the hot brewing mode comes directly from the pure water tank 35 and does not use the cold water in the cold water chamber 10b. If the cold water in the cold water chamber 10b is used for heating, additional energy will be consumed.

[0111] Furthermore, the coffee machine 100 also includes a raw water tank 94, which has a raw water chamber 94a for storing raw water. The raw water chamber 94a is connected to the inlet of the filter assembly 92, and the filter assembly 92 is located between the raw water tank 94 and the pure water tank 35 in the front-back direction.

[0112] In some embodiments, the refrigerator 10, the water tank 94, and the filter assembly 92 are arranged adjacent to the refrigerator 10 in the left-right direction to achieve a compact layout inside the coffee machine 100.

[0113] like Figure 5 and Figure 6 As shown, in some embodiments, the pure water tank 35 has an overflow port 35b connected to the pure water chamber 35a. The overflow port 35b is used to prevent water from overflowing from the pure water chamber 35a and realize the function of overflow water recycling. The overflow port 35b is arranged near the upper part of the pure water tank 35, adapted to the highest water level of the pure water chamber 35a, and lower than the top of the pure water tank 35, leaving a reasonable overflow margin. The overflow port 35b is also connected to the cold water chamber 10b to form an overflow water recycling channel. When the pure water level in the pure water tank 35 is too high, the excess pure water is introduced into the cold water chamber 10b through the overflow port 35b to prevent pure water from overflowing and polluting the internal or external environment of the equipment. At the same time, the overflow water is utilized. The pure water flowing into the cold water chamber 10b can be used in the ice-making mode or the cooling water mode of the ice-making module 20, without the need to add pure water to the cold water chamber 10b, thus reducing the cost of use.

[0114] The high-level water level detection component is used to detect whether the water level in the pure water tank 35 has reached the maximum preset water level. When the water level inside the pure water chamber 35a rises to the maximum allowable water level, a high-level water level signal is generated and fed back to the control module of the coffee machine 100 to stop water intake. It can accurately identify the highest water level in the pure water tank 35 in real time, and work with the control module to stop water intake in a timely manner, preventing excessive pure water injection and overflow of the pure water tank 35. Together with the overflow port 35b, it forms a double overflow protection, improving the safety and reliability of equipment operation.

[0115] The low water level detection component is used to detect whether the water level in the pure water tank 35 has dropped to the lowest preset water level. When the water level inside the pure water chamber 35a drops to the lowest working water level, it generates a low water level signal and feeds it back to the control module of the coffee machine 100 to realize a water shortage reminder. It can replenish new pure water into the pure water tank 35 from the outlet of the filter component 92.

[0116] Similarly, the coffee machine 100 also includes an upper limit water level detection component and a lower limit water level detection component disposed in the cold water chamber 10b. The upper limit water level detection component is used to detect whether the water level in the cold water chamber 10b has reached the highest preset water level, and the lower limit water level detection component is used to detect whether the water level in the cold water chamber 10b has dropped to the lowest working water level. Both types of detection components are electrically connected to the control module of the coffee machine 100 to realize real-time feedback and corresponding control of the water level signal.

[0117] By combining the upper limit water level detection component and the lower limit water level detection component, the water level of the cold water chamber 10b can be monitored and controlled throughout the process. This can prevent water from overflowing due to excessively high water level, and also prevent damage to components such as the circulation pump 40 due to dry running due to excessively low water level. This ensures the stable and reliable operation of the cold water chamber 10b and improves the operational safety and automation of the coffee machine 100.

[0118] In some embodiments, the coffee machine 100 has two ultraviolet sterilization components respectively installed in the cold water chamber 10b and the pure water chamber 35a. One ultraviolet sterilization component is installed in the cold water chamber 10b and the other is installed in the pure water chamber 35a. Each ultraviolet sterilization component is electrically connected to the control module of the coffee machine 100. It can perform ultraviolet sterilization treatment on the water in the cold water chamber 10b and the pure water chamber 35a respectively, inhibiting the growth of bacteria and microorganisms, ensuring the hygiene and safety of the water source for cold brewing, hot brewing and drinking water output, and does not change the water temperature or affect the original function of each chamber during operation, thereby improving the hygiene and reliability of the water used by the whole machine.

[0119] like Figure 2 As shown, in some embodiments, the filter assembly 92 includes a first filter element 921 and a second filter element 922. Along the front-to-back direction, the first filter element 921 and the second filter element 922 are arranged side by side between the pure water tank 35 and the raw water tank 94. The first filter element 921 includes a housing and a pre-filter unit and a post-filter unit, both disposed within the housing. Understandably, the housing provides an installation carrier for the pre-filter unit and the post-filter unit, and the pre-filter unit and the post-filter unit have different water treatment functions. The pre-filter unit is connected to the raw water chamber 94a through a dedicated pipeline, and the post-filter unit is connected to the pure water chamber 35a through a dedicated pipeline. The two do not interfere with each other.

[0120] The second filter element 922 is arranged downstream of the pre-filter unit along the water flow direction, and is connected to both the pre-filter unit and the post-filter unit. It has a different water treatment function than the pre-filter unit, which supplements and improves the filtration effect, so that the filtered water is then transported to the post-filter unit and then discharged from the post-filter unit to the pure water chamber 35a.

[0121] In this embodiment, the first filter element 921 integrates pre-filter and post-filter units with different functions, realizing multi-stage and layered filtration of raw water. Compared with a single filter structure, the filtration effect is more comprehensive and thorough. The pre-filter unit lays the foundation for subsequent filtration, avoiding large particulate impurities or pollutants from affecting subsequent filter components. The second filter element 922 supplements the filtration function of the pre-filter unit, avoiding the problem that a single filter unit cannot cover all water quality treatment needs, further optimizing the filtration effect, ensuring stable output pure water quality, and the post-filter unit further optimizes water quality and improves taste.

[0122] Furthermore, the pre- and post-filter units are integrated into the same housing, simplifying the structure of the filter assembly 92, reducing piping connections, lowering the risk of leakage, and facilitating overall assembly and maintenance. The pre-filter unit is connected to the raw water chamber 94a, and the post-filter unit is connected to the pure water chamber 35a, clearly defining the filtered water flow path, ensuring orderly raw water filtration, and preventing unfiltered or incompletely filtered water from entering the pure water chamber 35a. This creates a complete multi-stage filtration chain in the filter assembly 92, ensuring smooth water flow and avoiding filtration dead zones or water stagnation.

[0123] In some embodiments, the pre-filter unit includes a folded polypropylene scale inhibitor carbon rod, and the post-filter unit includes a carbon rod. The two have different water treatment functions and work together to complete the multi-stage filtration of raw water. The second filter element 922 includes a reverse osmosis filter element and works in conjunction with the first filter element 921. Its water treatment function is different from that of the folded polypropylene scale inhibitor carbon rod of the pre-filter unit.

[0124] The folded polypropylene scale inhibitor carbon rod is responsible for the initial water treatment of the raw water, intercepting large particulate impurities and suspended solids while also inhibiting scale formation. The water, after initial filtration by the folded polypropylene scale inhibitor carbon rod, is then transported to a reverse osmosis filter for further deep filtration. The reverse osmosis filter, unlike the folded polypropylene scale inhibitor carbon rod, removes minute impurities, heavy metal ions, and soluble pollutants from the water. The water, after deep filtration by the reverse osmosis filter, is then transported to the carbon rod for secondary treatment. The carbon rod adsorbs residual chlorine, odors, and some minute impurities, improving the taste of the water. Ultimately, this ensures that the water output to the pure water chamber 35a meets the preset pure water standard. The housing of the first filter element 921 is used to fix and protect the folded polypropylene scale inhibitor carbon rod and the carbon rod itself, preventing external interference or damage.

[0125] The synergistic effect of the three-stage filtration in this embodiment further optimizes the taste and cleanliness of the pure water, making it more suitable for the requirements of low-temperature coffee extraction for clean water quality and good taste.

[0126] Furthermore, the wastewater filtered from the reverse osmosis filter can be connected to the raw water chamber 94a through the wastewater flow path 5A, allowing the incompletely filtered water with a certain pressure and flow rate to re-enter the filtration process, reducing the amount of wastewater discharged at one time and significantly improving the raw water utilization rate of the whole machine. The coffee machine 100 also includes a wastewater valve 98 set on the wastewater flow path 5A. When the wastewater valve 98 is closed, it can block the passage between the raw water chamber 94a and the reverse osmosis wastewater end, preventing the water in the raw water chamber 94a from flowing back into the reverse osmosis filter and ensuring the stable one-way operation of the water system.

[0127] like Figure 2 As shown, in some embodiments, the extraction flow path 1A includes a cold water supply branch 1A1, a pure water supply branch 1A2, and a main outlet flow path 1A3. The inlet of the cold water supply branch 1A1 is connected to the cold water chamber 10b, and the inlet of the pure water supply branch 1A2 is connected to the pure water tank 35. This clearly defines the division of labor between the cold extraction and hot extraction water supply paths. That is, the cold water supply branch 1A1 only supplies cold water from the cold water chamber 10b, and the pure water supply branch 1A2 only supplies pure water from the pure water tank 35, preventing the mixing of cold extraction and hot extraction water sources. The main outlet flow path 1A3 is equipped with a pressurized instant heating component 34. Its inlet is connected to the outlets of both the cold water supply branch 1A1 and the pure water supply branch 1A2, and its outlet is connected to the extraction port. This eliminates the need for separate output flow paths for the two modes, simplifying the flow path layout.

[0128] The coffee machine 100 also includes an instant heat pump 96 and a check valve 97 installed on the pure water supply branch 1A2. The instant heat pump 96 provides the flow power for the pure water in the pure water supply branch 1A2, stably delivering the pure water in the pure water tank 35 to the outlet main 1A3. Along the water flow direction, the check valve 97 is installed downstream of the instant heat pump 96. The inlet end of the instant heat pump 96 is connected to the side pipe of the pure water tank 35, and the outlet end is connected to the check valve 97. The check valve 97 is used to limit the water flow in the pure water supply branch 1A2 to only flow in a single direction from the pure water tank 35 to the outlet main 1A3, preventing the water flow from flowing back. This prevents the high-pressure water flow in the outlet main 1A3, the hot water heated by the pressurized instant heating component 34, or the steam from flowing back into the instant heat pump 96, avoiding damage, failure, or air blockage of the instant heat pump 96 due to reverse impact, making the structure of the pure water supply branch 1A2 more reliable and its operation safer.

[0129] Understandably, when the instantaneous heat pump 96 is operating, it can pump the pure water in the pure water tank 35 to the pure water supply branch 1A2 and then to the outlet main 1A3. At this time, if the pressurized instantaneous heating component 34 on the outlet main 1A3 is not operating, that is, the flowing water is not heated, the pure water entering the outlet main 1A3 is kept at room temperature. Room temperature water can be used for room temperature extraction.

[0130] Therefore, by controlling the instant heat pump 96 to operate independently and the pressurized instant heating component 34 to not work, the coffee machine 100 can additionally achieve a room temperature extraction mode in addition to the cold brew mode and the hot brew mode, further enriching the extraction function and meeting the diverse extraction taste needs of users.

[0131] like Figure 2 As shown, in some embodiments, the coffee machine 100 also includes a return pipe 2A. The return pipe 2A and the cold water supply branch 1A1 share a portion of the pipe. The return pipe 2A is connected to the cold water chamber 10b and the original water chamber 94a. The return pipe 2A is used to return the cold water to the original water chamber 94a, forming a complete connected loop. The pipe layout fits the internal space of the coffee machine 100 and does not affect the normal operation of other components. As a channel for cold water circulation, the return pipe 2A can guide the cold water stored in the cold water chamber 10b back to the original water chamber 94a, realizing the recycling of cold water.

[0132] In this embodiment, by returning unused or excessive cold water to the original water chamber 94a, the cold water can be prevented from remaining in the cold water chamber 10b for a long time, from being in contact with air for a long time, which would breed bacteria and produce odors. This effectively prevents water pollution, ensures the cleanliness of the cold water used later, and thus ensures the safety and taste of the coffee beverage.

[0133] Furthermore, if cold water remains stagnant in the cold water chamber 10b for a long time, it will exchange heat with the surrounding environment, causing the water temperature to gradually rise and making it impossible to maintain a stable low temperature. The return pipe 2A can promptly return this type of cold water with a raised temperature to the original water chamber 94a, preventing it from continuously remaining in the cold water chamber 10b and affecting the subsequent cold water usage experience. At the same time, after the returned cold water is mixed with the original water, it can be used again to produce cold water through the ice-making module 20, ensuring that the cold water chamber 10b always stores cold water that meets the temperature requirements.

[0134] like Figure 2 and Figure 3As shown, in some embodiments, the coffee module 30 includes an extraction device 36 with an extraction port. The extraction device 36 is the core component of the coffee module 30 for containing coffee powder and realizing coffee extraction. The extraction device 36 is arranged below the pure water tank 35 and in front of the pressurized instant heating component 34. The extraction port of the extraction device 36 is connected to the water outlet of the water outlet main 1A3 to ensure that the water flow delivered by the water outlet main 1A3, whether room temperature water, cold water or hot water, can flow accurately into the extraction device 36 and fully contact the coffee powder to realize extraction. The extracted coffee liquid is exported through the extraction port.

[0135] like Figure 2 , Figure 3 and Figure 4 As shown, the coffee module 30 also includes a water outlet assembly 37, which includes a water outlet valve 371 and a water outlet nozzle connected to the outlet of the water outlet valve 371. The water outlet valve 371 is installed inside the coffee module 30 and can be turned on or off according to user instructions. When the user needs to extract coffee, the water outlet valve 371 is closed, and the water flow from the water outlet main 1A3 is delivered to the extraction port of the extraction device 36 for coffee extraction. The water outlet end of the water outlet main 1A3 is also connected to the outlet of the water outlet valve 371. That is, when the user needs to drink room temperature water, cold water, or hot water, the water outlet valve 371 is turned on, and the water flow from the water outlet main 1A3 does not enter the extraction device 36, but is delivered to the water outlet nozzle through the water outlet valve 371 as drinking water output to the coffee machine 100. The water outlet valve 371 can control the start and stop of the water flow output, realizing on-demand output of drinking water.

[0136] The water outlet is the component for dispensing drinking water. It is fixedly installed on the front of the coffee machine 100, close to the user's side, making it convenient for the user to place a drinking container to collect water. The inlet of the water outlet is sealed and connected to the outlet of the water valve 371. The outlet of the water outlet faces downwards, and its structure is adapted to the water flow output to avoid water splashing. The water outlet is made of food-grade material, which is resistant to low and high temperatures, adaptable to the output needs of cold and hot water, and easy to clean.

[0137] like Figure 2 , Figure 3 and Figure 4 As shown, in some embodiments, the coffee module 30 also includes a coffee valve 38, which is a functional component located between the water outlet main 1A3 and the extraction device 36, used to control the flow of water to the extraction device 36. Because the water flowing through the water outlet main 1A3 is pressurized by the extraction pump 32 and heated by the pressure-bearing instant heating component 34, it is prone to excessive pressure due to flow resistance, valve switching, etc. If the pressure is not released, it will cause overload on components such as the water outlet main 1A3 pipeline, the coffee valve 38, and the extraction device 36, resulting in damage.

[0138] The extraction device 36 also has a pressure relief port 36a. The pressure relief port 36a is a functional structure on the extraction device 36 used to receive the pressure relief water flow from the coffee valve 38 and realize the pressure release on the side of the water outlet 1A3. The coffee valve 38 has a valve inlet connected to the water outlet 1A3, a first valve outlet connected to the extraction port, and a second valve outlet connected to the pressure relief port 36a. The pressure relief port 36a adopts an adaptive design, which can smoothly receive the pressure relief water flow and guide it into the extraction device 36 without affecting the normal operation of the extraction device 36, while preventing leakage of the pressure relief water flow.

[0139] Appropriate water pressure is crucial for optimal flavor extraction. Excessive pressure in the water outlet 1A3 leads to excessively fast flow and over-extraction, while insufficient pressure results in incomplete extraction. The pressure relief port 36a, in conjunction with the coffee valve 38, stabilizes the pressure in the water outlet 1A3 within a reasonable range, ensuring a stable water flow into the extraction device 36. This achieves uniform extraction of coffee components, guaranteeing consistent flavor for both cold and hot brews. Furthermore, the pressure relief port 36a directs high-pressure water into the extraction device 36, eliminating the need for an additional pressure relief wastewater collection component, simplifying the overall structure. The depressurized water can directly participate in coffee extraction, preventing water waste.

[0140] To enable switching between reflux and cold water supply, in some embodiments, the coffee machine 100 further includes a switching valve 93. The switching valve 93 is a control component for controlling the flow direction of water in the cold water chamber 10b. The switching valve 93 is mounted at the water connection node inside the coffee machine 100 and is connected to the cold water chamber 10b, the raw water chamber 94a, and the extraction port via corresponding pipes. The switching valve 93 has a first switching state and a second switching state. In the first switching state, the cold water chamber 10b is connected to the raw water chamber 94a through the switching valve 93, allowing cold water in the cold water chamber 10b to flow to the raw water chamber 94a. In the second switching state, the cold water chamber 10b is connected to the extraction port through the switching valve 93, allowing cold water in the cold water chamber 10b to flow to the extraction port, providing cold water for low-temperature extraction.

[0141] The switching valve 93 enables bidirectional controllable switching of the cold water chamber 10b, eliminating the need for multiple independent pipelines, simplifying the water circuit structure of the coffee machine 100, and reducing equipment costs and assembly difficulty. In the first switching state, the cold water chamber 10b is connected to the original water chamber 94a via the switching valve 93, enabling cold water recirculation. This avoids bacterial growth and water contamination caused by long-term stagnation of cold water in the cold water chamber 10b, and works in conjunction with the existing recirculation pipeline 2A to further optimize water circulation and ensure water cleanliness. In the second switching state, the cold water chamber 10b is connected to the extraction port via the switching valve 93, precisely providing cold water for the low-temperature extraction of the coffee module 30, ensuring a stable cold water supply during the extraction process and guaranteeing the effectiveness of low-temperature extraction. The flexible switching between the two states in this embodiment allows the cold water in the cold water chamber 10b to be rationally allocated according to actual needs. While meeting the basic use of cold brew, it also ensures the stability of water quality and temperature, further optimizing the user experience and making the coffee machine 100 more adaptable and practical.

[0142] like Figure 2 As shown, in some embodiments, the switching valve 93 has an inlet, a first outlet, and a second outlet. All three interfaces are integrated in the corresponding positions of the switching valve 93. The interface specifications are adapted to the pipe diameter of the corresponding pipeline, which facilitates sealing connection with subsequent pipeline branches and avoids mutual interference when the pipelines are connected. This ensures that the water flow is smooth and leak-free when the internal channel of the switching valve 93 is switched.

[0143] The return pipeline 2A includes a cold water outlet pipeline 2A1 and a return branch pipeline 2A2. The inlet end of the cold water outlet pipeline 2A1 is connected to the cold water chamber 10b, and the outlet end is connected to the liquid inlet. The setting of the cold water outlet pipeline 2A1 realizes the connection between the cold water chamber 10b and the switching valve 93, avoids confusion with other pipelines during the cold water transportation process, and ensures the accuracy of cold water transportation. The sealing design of the cold water outlet pipeline 2A1 can prevent cold water leakage and reduce water waste.

[0144] The return branch 2A2 connects the first outlet and the raw water chamber 94a, and together with the cold water outlet pipe 2A1, forms at least part of the return pipe 2A, ensuring smooth cold water return in the first switching state and avoiding water blockage or poor return. The cold water supply branch 1A1 connects the second outlet and the extraction port. The cold water supply branch 1A1 provides a dedicated connection between the switching valve 93 and the extraction port, ensuring accurate and smooth delivery of cold water to the extraction port in the second switching state, preventing cold water deviation or leakage, and ensuring successful low-temperature extraction. The cold water supply branch 1A1 can be insulated to reduce heat loss during cold water delivery, ensuring that the cold water temperature reaching the extraction port meets the requirements for low-temperature extraction, thereby better preserving the aroma and taste of the coffee concentrate and improving beverage quality.

[0145] In this embodiment, the cold water extraction supply and the cold water reflux circulation are completely separated to avoid mutual interference. This ensures the stability of the cold water supply during extraction without affecting the normal operation of the cold water reflux. Furthermore, the branch-type design facilitates individual maintenance. If a water supply abnormality occurs, it can be quickly investigated and dealt with, improving the ease of equipment maintenance.

[0146] In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0147] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0148] In the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0149] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0150] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A coffee machine, characterized in that, include: A refrigerator is provided, which has an ice storage cavity and a cold water cavity that are connected to each other, with the ice storage cavity located above the cold water cavity; An ice-making module is disposed in the refrigerator, located above the ice storage cavity, and extends along the front-back direction on one side of the coffee machine in the left-right direction. The ice-making module has an ice-making mode for making ice cubes and a cooling water mode for making cold water. The ice cubes made can fall into the ice storage cavity, and the cold water made can flow into the cold water cavity. as well as The coffee module is at least partially arranged on the front side of the refrigerator and has an extraction port connected to the cold water chamber for low-temperature extraction of coffee raw materials.

2. The coffee machine according to claim 1, characterized in that, The ice-making module includes: A spray element, located above the ice storage chamber, has multiple spray holes communicating with the cold water chamber; and An ice-making grid is disposed above the spray unit. The ice-making grid has multiple ice-making slots, the openings of which face the spray holes. The ice-making slots are used to exchange heat with water to make ice.

3. The coffee machine according to claim 2, characterized in that, Each of the spray holes is configured to correspond one-to-one with one of the ice-making tanks.

4. The coffee machine according to claim 2, characterized in that, Along the vertical direction, the vertical projection of all the ice-making tanks is located within the area of ​​the spraying element, and the spraying element is inclined downward toward the opening of the ice storage cavity to guide the ice block into the ice storage cavity.

5. The coffee machine according to claim 2, characterized in that, The coffee machine also includes: A circulating pump is connected to the refrigerator, and the inlet of the circulating pump is connected to the cold water chamber; and The circulation pipe is connected at one end to the outlet of the circulation pump and at the other end to the spray element and communicates with the spray hole.

6. The coffee machine according to claim 2, characterized in that, The coffee machine also includes a compressor and a condenser, the compressor, the condenser and the ice tray being connected to form at least part of a refrigeration cycle; A refrigerant branch pipe is provided between the compressor and the ice tray, and the coffee machine also includes: A refrigerant valve is installed on the refrigerant branch pipe and is used to control the on / off state of the refrigerant branch pipe.

7. The coffee machine according to claim 6, characterized in that, The refrigerator is stepped, and a clearance area is formed on the lower rear side; The compressor and the condenser are arranged adjacent to each other in the left-right direction, and the whole formed by the two is at least partially housed in the sheltered position.

8. The coffee machine according to claim 2, characterized in that, The ice-making module includes: The water receiving box, together with the ice tray, forms a receiving cavity with an opening on one side, and the spray component is supported on the bottom wall of the receiving cavity; The water receiving box is located near the upper left part of the refrigerator, with the opening facing to the right; or, the water receiving box is located near the upper right part of the refrigerator, with the opening facing to the left.

9. The coffee machine according to claim 8, characterized in that, The water receiving box includes: The box body, together with the ice tray, defines the receiving cavity, and also has a water collection port communicating with the receiving cavity; the bottom wall of the receiving cavity extends downward at least partially from the opening toward the water collection port; and A water guide section is connected to the bottom of the housing that defines the water collection port. The water guide section has a water guide groove that communicates with both the water collection port and the cold water chamber. The water guide groove extends in the vertical direction.

10. The coffee machine according to claim 9, characterized in that, In the vertical direction, the projection of the water guide channel and the projection of the ice storage cavity do not overlap.

11. The coffee machine according to claim 8, characterized in that, The refrigerator includes: box body; The inner liner structure, located within the box body, comprises a first chamber, a second chamber, and the cold water chamber, which are sequentially connected from top to bottom; and An ice storage shell is at least partially disposed in the second chamber and has the ice storage cavity, wherein the groove wall of the ice storage cavity has at least one water passage hole communicating with the cold water cavity; The water receiving box is located in the first chamber.

12. The coffee machine according to claim 11, characterized in that, The horizontal cross-sectional areas of the first chamber, the second chamber, and the cold water chamber decrease sequentially.

13. The coffee machine according to claim 11, characterized in that, The ice storage cavity includes a first cavity bottom wall and a second cavity bottom wall that are connected and arranged at an angle, and the connection position of the first cavity bottom wall and the second cavity bottom wall forms the low area of ​​the ice storage cavity; At least one of the water passage holes is located in the low-level area.

14. The coffee machine according to claim 11, characterized in that, The inner liner structure has a probe port penetrating the ice storage shell; the refrigerator includes: An infrared detection component is arranged corresponding to the detection port, and the detection optical path of the infrared detection component is irradiated into the ice storage cavity through the detection port.

15. The coffee machine according to claim 11, characterized in that, The main body of the coffee machine has a through-hole that penetrates the inner liner structure. A portion of the ice storage shell extends beyond the through-hole and defines an ice outlet that communicates with the ice storage cavity. The coffee machine includes: An ice dispensing device is rotatably mounted on the ice storage shell to move the ice blocks in the ice storage cavity to the ice outlet.

16. The coffee machine according to claim 15, characterized in that, The front of the ice storage shell has a perforation, and the ice dispensing device includes: An ice-discharging motor is connected to the ice storage shell, and the output shaft of the ice-discharging motor passes through the through hole; and An ice-discharging screw is driven by the output shaft of the ice-discharging motor and extends into the ice storage chamber.

17. The coffee machine according to claim 15, characterized in that, The ice storage shell includes: An ice storage section having the ice storage cavity; and The ice outlet has the ice outlet, which is connected to the side of the ice storage section facing the communication port and extends to the outside of the box body through the communication port.

18. The coffee machine according to claim 17, characterized in that, The ice storage shell includes: An ice outlet door is located between the ice storage cavity and the ice outlet and is rotatably connected to the ice outlet section, so as to have an ice outlet position that connects the ice storage cavity and the ice outlet and an ice-blocking position that blocks the ice storage cavity and the ice outlet.

19. The coffee machine according to claim 18, characterized in that, The ice storage shell includes: An ice-discharging electromagnet is installed in the ice-discharging section and is positioned close to the ice-discharging gate; The ice-discharging gate has a magnetic part, and the ice-discharging electromagnet cooperates with the magnetic part to drive the ice-discharging gate to rotate between the ice-discharging position and the ice-blocking position.

20. The coffee machine according to any one of claims 1-19, characterized in that, The coffee machine has an extraction flow path, which connects the cold water chamber and the extraction port; the coffee machine includes: A water pump is installed on the extraction flow path to pump cold water from the cold water chamber to the extraction port.

21. The coffee machine according to claim 20, characterized in that, The coffee module includes: A flow meter, installed in the extraction flow path downstream of the outlet pump, is used to detect the amount of water flowing through the extraction flow path; and An extraction pump is installed in the extraction flow path, downstream of the flow meter.

22. The coffee machine according to claim 21, characterized in that, Also includes: A buffer noise reduction component is installed in the extraction flow path, downstream of the extraction pump, to reduce water flow noise.

23. The coffee machine according to claim 20, characterized in that, The coffee machine has a hot brew mode and a cold brew mode, and the coffee module further includes: A pressurized instant heating component is disposed on the extraction flow path and is used to heat the flowing water in the hot extraction mode.

24. The coffee machine according to claim 23, characterized in that, The coffee machine also includes: Filter assembly, used to filter raw water; The coffee module also includes: The pure water tank has a pure water chamber connected to the outlet of the filter assembly and is connected to the pressurized instant heating assembly.

25. The coffee machine according to claim 24, characterized in that, The pure water tank has an overflow port that communicates with the pure water chamber. The overflow port is located near the upper part of the pure water tank and is also connected to the cold water chamber.

26. The coffee machine according to claim 24, characterized in that, The extraction flow path includes: The cold water supply branch has its inlet end connected to the cold water chamber. The pure water supply branch has its inlet end connected to the pure water tank; and The main water outlet is equipped with the pressurized instant heating component. The water inlet is connected to the water outlet of both the cold water supply branch and the pure water supply branch, and the water outlet is connected to the extraction port.

27. The coffee machine according to claim 26, characterized in that, The coffee module includes: An extraction apparatus having the extraction port; and A water outlet assembly includes a water outlet valve and a water outlet nozzle connected to the water outlet of the water outlet valve; The outlet end of the main water outlet is connected to both the extraction port and the outlet of the water outlet valve.

28. The coffee machine according to claim 27, characterized in that, The extraction device also has a pressure relief port, and the coffee module further includes: A coffee valve is disposed between the water outlet main and the extraction device, and has a valve inlet connected to the water outlet main, a first valve outlet connected to the extraction port, and a second valve outlet connected to the pressure relief port.

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