Coffee maker

Abstract

The application discloses a coffee machine, which comprises an extraction device, a raw water tank, an ice water tank assembly and a pressure-bearing instant heating module, the raw water tank is communicated with the extraction device; the ice water tank assembly comprises an ice making tank, the ice making tank is communicated with the raw water tank; the water inlet end of the pressure-bearing instant heating module is communicated with the raw water tank, and the water outlet end is communicated with the extraction device; wherein, along the left-right direction of the coffee machine, the pressure-bearing instant heating module is arranged side by side with the ice making tank, and the pressure-bearing instant heating module is arranged in a spaced mode with the ice making tank. The coffee machine can reduce the influence of low temperature of the ice water tank assembly on the pressure-bearing instant heating module, thereby improving the working stability and service life of the coffee machine.

Description

Technical Field

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

[0002] Coffee machines with ice-making functions can meet users' needs for both ice making and coffee extraction at the same time. However, the ice-making components operate at low temperatures. Due to the compact structure of coffee machines, low temperatures can easily affect the normal operation of components related to hot extraction and can also easily cause condensation on the surface of these components, affecting the lifespan of the coffee machine. Summary of the Invention

[0003] This application provides a coffee machine that can reduce the impact of the low temperature of the ice water tank assembly on the pressurized instant heating module, thereby improving the working stability and service life of the coffee machine.

[0004] To achieve the above objectives, embodiments of this application provide a coffee machine, comprising:

[0005] Extraction apparatus; The raw water tank is connected to the extraction device; Ice water tank assembly, including a refrigerator, the refrigerator being connected to the raw water tank; and The pressurized instant heating module has its inlet end connected to the raw water tank and its outlet end connected to the extraction device. In this coffee machine, the pressurized instant heating module and the refrigerator are arranged side by side, with the pressurized instant heating module and the refrigerator spaced apart.

[0006] In some embodiments, the outer surface of the refrigerator is provided with a plurality of mounting posts, and the pressure-bearing instant heating module is connected to the mounting posts and is spaced apart from the outer surface of the refrigerator.

[0007] In some embodiments, the coffee machine further includes a mounting partition disposed on one side of the refrigerator, and the pressurized instant heating module is mounted on the mounting partition at a distance from the refrigerator.

[0008] In some embodiments, the coffee machine further includes a hot water solenoid valve, which is disposed on the mounting plate and connected to the water inlet of the pressurized instant heating module.

[0009] In some embodiments, the mounting partition is further provided with a surrounding plate, which is located between the hot water solenoid valve and the pressurized instant heating module to separate the hot water solenoid valve and the pressurized instant heating module.

[0010] In some embodiments, the coffee machine further includes a protective cover that cooperates with the enclosure to enclose the pressurized instant heating module.

[0011] In some embodiments, the coffee machine further includes an extraction pump and a T-connector, one end of which is connected to the water inlet of the pressurized instant heating module, and the other two ends are connected to the hot water solenoid valve and the extraction pump, respectively.

[0012] In some embodiments, the outer peripheral walls of the three ports of the tee connector are provided with slots for inserting clamps to connect the pipeline.

[0013] In some embodiments, the outer surface of the refrigerator is provided with a heat insulation layer, and the pressure-bearing instant heating module is spaced apart from the heat insulation layer.

[0014] In some embodiments, the pressure-bearing instant heating module includes a thick film heating tube that extends in a vertical direction.

[0015] In some embodiments, the coffee machine further includes a front panel and a filter assembly. The extraction device is disposed on the front side of the front panel, the ice water tank assembly is disposed on the rear side of the front panel, and the filter assembly is disposed on the side of the ice water tank assembly away from the front panel. The water inlet of the filter assembly is connected to the raw water tank, and the water outlet of the filter assembly is connected to the pressurized instant heating module and the ice water tank assembly, respectively. The extraction device, the ice water tank assembly, the filtration assembly, and the raw water tank are arranged sequentially along a direction perpendicular to the front panel.

[0016] In some embodiments, the orthographic projections of the ice water tank assembly, the filter assembly, the raw water tank, and the pressurized instant heating module are all located within the orthographic projection range of the front panel in a direction perpendicular to the front panel.

[0017] In some embodiments, the chilled water tank assembly further includes a heat pump assembly, the heat pump assembly comprising: The compressor is located below the raw water tank; A condenser, located below the raw water tank and connected to the compressor; and An evaporator, connected to the condenser, is used to form ice. The evaporator is located inside the refrigerator.

[0018] In some embodiments, the ice water tank assembly further includes a partition plate disposed within the refrigerator, the partition plate dividing the inner cavity of the refrigerator into an ice storage cavity and a cold water cavity arranged vertically; the evaporator is disposed within the ice storage cavity.

[0019] In some embodiments, the ice water tank assembly further includes an ice cube tray mounted on the partition plate and located below the evaporator to collect ice cubes falling from the evaporator.

[0020] In the coffee machine provided in this application embodiment, the pressurized instant heating module and the refrigerator are arranged side by side along the left-right direction of the coffee machine, and the pressurized instant heating module and the refrigerator are spaced apart to form a heat insulation space. The heat insulation space blocks the low temperature of the refrigerator from being transferred to the pressurized instant heating module, which can reduce the impact of the low temperature of the ice water tank assembly on the pressurized instant heating module and prevent condensation from forming on the surface of the pressurized instant heating module, thereby improving the working stability and service life of the coffee machine. Attached Figure Description

[0021] 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 the structures shown in these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a coffee machine according to one embodiment of this application; Figure 2 This is a schematic diagram of the internal structure of a coffee machine from a first-view perspective in one embodiment of this application; Figure 3 This is a schematic diagram of the internal structure of a coffee machine from a second perspective in one embodiment of this application; Figure 4 This is a schematic diagram of the structure of the chilled water tank assembly and the heat pump assembly in one embodiment of this application; Figure 5 This is a schematic diagram of the structure of the ice water tank assembly in one embodiment of this application; Figure 6 This is a schematic diagram of the internal structure of the ice water tank assembly in one embodiment of this application; Figure 7 This is a schematic diagram of the water inlet fitting in one embodiment of this application; Figure 8 This is an exploded view of the structure of some components of the coffee machine in one embodiment of this application; Figure 9 This is a schematic diagram of the tee connector in one embodiment of this application; Figure 10 This is a schematic diagram of the internal structure of a coffee machine from a third-person perspective in one embodiment of this application; Figure 11 This is a structural schematic diagram of the first water channel plate assembly in one embodiment of this application; Figure 12This is a schematic diagram of the structure of the second water channel plate assembly in one embodiment of this application.

[0023] Explanation of icon numbers: 1. Outer shell assembly; 11. Front panel; 12. Base; 13. Top plate; 14. Side plate; 2. Extraction device; 3. Ice water tank assembly; 31. Refrigerator; 31A. Receiving cavity; 31B. Ice storage cavity; 31C. Cold water cavity; 31D. Piping channel; 31E. Water inlet; 311. Mounting column; 312. Insulation layer; 32. Separator plate; 33. Ice cube box; 34. Circulation pump; 35. Cold water pipe; 36. Water receiving fitting; 361. Water receiving section; 361A. Water receiving trough; 362. Extension section; 4. Original 5. Water tank; 6. Heat pump assembly; 7. Compressor; 8. Condenser; 9. Evaporator; 10. Refrigerant pipe; 11. Pressurized instant heating module; 12. Mounting partition; 13. Enclosure; 24. Protective cover; 35. Hot water solenoid valve; 46. Extraction pump; 57. T-connector; 68. Slot; 78. First water circuit board assembly; 79. First water circuit board; 80. Negative pressure valve; 71. Flow meter; 82. Pure water outlet pump; 93. Second water circuit board assembly; 84. Second water circuit board; 85. Cold water supply valve; 9. Filter assembly.

[0024] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0026] In the following description, when referring to the accompanying drawings, the same numbers in different drawings denote the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0027] In the description of this application, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, in the description of this application, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Please see Figures 1 to 3 This application provides a coffee machine including a front panel 11, an extraction device 2, an ice water tank assembly 3, a filter assembly 9, and a raw water tank 4. The front panel 11, extraction device 2, ice water tank assembly 3, filter assembly 9, and raw water tank 4 are arranged sequentially along a direction perpendicular to the front panel 11 (i.e., the front-to-back direction of the coffee machine). Furthermore, in the front-to-back direction, the orthographic projections of the ice water tank assembly 3, filter assembly 9, and raw water tank 4 are all located within the orthographic projection range of the front panel 11. This layout greatly reduces the left and right width of the coffee machine body, thereby avoiding the problem of excessive table space occupation caused by the coffee machine having many parts, and thus taking into account both the needs of multi-functionality and miniaturization.

[0030] Specifically, in this embodiment, the coffee machine includes a housing assembly 1, which includes a front panel 11, a base 12, a top plate 13, and a side plate 14. The front panel 11, base 12, top plate 13, and side plate 14 enclose an installation space, where the ice water tank assembly 3 and the filter assembly 9 are both disposed within the installation space. The raw water tank 4 is disposed outside the housing assembly 1, facilitating user replenishment of raw water without requiring disassembly of the housing assembly 1, thus improving ease of use. The extraction device 2 is the component that performs coffee extraction. The extraction device 2 is disposed on the front side of the front panel 11, specifically above the front side. During the extraction process, the extraction pump 65 delivers filtered water into the extraction device 2, where it fully contacts and extracts the coffee powder, ultimately yielding a coffee beverage. In some embodiments, a drip tray is provided below the extraction device 2 to hold containers such as coffee cups, catching any water droplets that may fall during the extraction process, preventing contamination of the work surface, facilitating cleaning, and improving the user experience.

[0031] The filter assembly 9 in this embodiment is used to filter the raw water in the raw water tank 4, removing impurities, heavy metals, and other substances from the water to obtain pure water and improve the taste of coffee. In some embodiments, the filter assembly 9 adopts a composite filter element structure. The filter assembly 9 includes a first filter element and a second filter element. The first filter element includes a pre-filter unit (such as a PP scale-inhibiting carbon rod) and a post-filter unit (such as a carbon rod). The inlet end of the pre-filter unit is connected to the raw water tank 4 and is used to intercept large particles of impurities and sediment in the raw water, while also playing a scale-inhibiting role. The outlet end of the pre-filter unit is connected to the inlet end of the second filter element (such as an RO filter element). The RO filter element can further remove tiny impurities and heavy metal ions from the water, improving the water purity. The outlet end of the second filter element is connected to the inlet end of the post-filter unit. The post-filter carbon rod is used to adsorb odors in the water and improve the taste of pure water. In this embodiment, the raw water in the raw water tank 4 flows sequentially through the pre-filter unit of the first filter element, the second filter element, and the post-filter unit. The filtered pure water can be transported to the ice water tank assembly 3 or directly to the extraction device 2 according to the usage requirements, so as to realize the functions of cold extraction, room temperature extraction, and hot extraction respectively.

[0032] The ice-water tank assembly 3 is located on the rear side of the front panel 11 and is connected to the extraction device 2. The ice-water tank assembly 3 is used to provide ice or cold water to the extraction device 2, thereby achieving cold extraction. The ice-water tank assembly 3 can cool the water, make ice, or store cold water through its internal components, which is then transported to the extraction device 2 for extraction. The front-to-back arrangement of the ice-water tank assembly 3, the front panel 11, and the filter assembly 9 results in a narrow and elongated body, avoiding the increased width caused by placing the ice-making components and the extraction device 2 side-by-side. It also shortens the connecting pipe between the ice-water tank assembly 3 and the extraction device 2, resulting in less temperature loss and improved cold extraction efficiency.

[0033] Please see Figures 4 to 6In some embodiments, the coffee machine also includes a heat pump assembly 5, which includes a compressor 51, a condenser 52, and an evaporator 53. The compressor 51, condenser 52, and evaporator 53 form a heat exchange circuit through a refrigerant pipe 54. Specifically, the compressor 51 is located below the raw water tank 4. Due to the large size of the compressor 51, in this embodiment, the compressor 51 is installed on the base 12 and located below the raw water tank 4, utilizing the height space of the coffee machine and reducing the width of the machine body. The condenser 52 is connected to the compressor 51 and is located below the raw water tank 4. The evaporator 53 is connected to the condenser 52, and an ice-making grid is formed on the evaporator 53. When making ice, the compressor 51 compresses the low-temperature, low-pressure refrigerant into a high-temperature, high-pressure refrigerant. The refrigerant releases heat when flowing through the condenser 52 and then flows into the evaporator 53. The evaporator 53 absorbs the heat around the ice-making grid, cooling the water flowing through the grid and forming ice cubes. Meanwhile, this embodiment also includes a switching valve, which can switch the refrigerant flow path. When it is necessary to remove ice, the switching valve controls the high-temperature refrigerant to be delivered directly to the ice grid without passing through the condenser 52, so that the temperature of the ice grid rises rapidly, the ice separates from the ice grid, and the ice is automatically removed, which improves the convenience of use. In addition, the compressor 51 and the condenser 52 are both located below the original water tank 4, which makes full use of the space at the bottom of the machine body and does not require additional space on the countertop, further improving the compactness of the machine body.

[0034] Furthermore, in some embodiments, the ice tank assembly 3 includes a refrigerator 31, which has a receiving cavity 31A inside, and an evaporator 53 is disposed in the receiving cavity 31A. In this way, the ice-making process is carried out entirely in a closed space, thereby reducing the influence of external temperature on ice making.

[0035] In some embodiments, the ice water tank assembly 3 further includes a partition plate 32 disposed within the refrigerator 31. The partition plate 32 divides the receiving cavity 31A of the refrigerator 31 into an ice storage cavity 31B and a cold water cavity 31C arranged vertically. The evaporator 53 is disposed within the ice storage cavity 31B. The vertical arrangement of the two layers in this embodiment makes full use of the vertical space of the machine body and further saves the countertop space.

[0036] In some embodiments, for convenient ice storage, the ice water tank assembly 3 further includes an ice cube tray 33, which is installed on the partition plate 32 and located below the evaporator 53. When ice cubes fall off the evaporator 53, they fall into the ice cube tray 33, thus storing the ice cubes for easy access by the user. In some embodiments, one side of the refrigerator 31 is provided with a pipe channel 31D connecting the cold water chamber 31C and the ice storage chamber 31B. The ice water tank assembly 3 also includes a circulation pump 34 and a cold water pipe 35. The inlet of the circulation pump 34 is connected to the cold water chamber 31C, and one end of the cold water pipe 35 is connected to the outlet of the circulation pump 34. The other end extends into the pipe channel 31D and extends to the top of the evaporator 53 to supply water to the evaporator 53. Specifically, the circulation pump 34 draws water from the cold water chamber 31C and delivers it to the top of the ice grid on the evaporator 53 through the cold water pipe 35. In this embodiment, the cold water pipe 35 extends vertically at one end and is arranged horizontally at the other end. The horizontal section is provided with multiple spray holes arranged at intervals. The spray holes spray water towards the ice tray, which can make the cold water evenly sprayed in the ice tray, thereby forming ice blocks of uniform volume. At the same time, the pipeline arrangement in this embodiment allows the cold water pipe 35 to be arranged along the inner side wall of the ice maker 31, reducing the space occupied and further improving the compactness of the machine body. Moreover, the layout of ice making, ice storage, and cold water storage is realized from top to bottom, making full use of the height space of the coffee machine and further reducing the width of the coffee machine body.

[0037] Please see Figure 6 and Figure 7 In some embodiments, the chilled water tank assembly 3 further includes a water receiving component 36, which includes a water receiving section 361 and an extension section 362. The water receiving section 361 is located below the evaporator 53, and the extension section 362 forms part of the pipeline channel 31D with the side wall of the refrigerator 31. A water receiving trough 361A is formed on the water receiving section 361, which communicates with the pipeline channel 31D. The water receiving trough 361A is used to guide the cold water flowing through the evaporator 53 to the cold water chamber 31C, realizing the recycling of cold water. The water receiving section 361 and the extension section 362 are connected at an angle. The angle can be designed according to the internal space of the refrigerator 31, so that the water receiving component 36 can better match the evaporator 53 and the side wall of the refrigerator 31, realizing the guidance while avoiding the water receiving component 36 occupying too much space, thereby ensuring the compactness of the structure.

[0038] In some embodiments, such as Figure 5As shown, a water inlet 31E is provided on the side of the refrigerator 31 facing the filter assembly 9 (i.e., the back side of the refrigerator 31). The water inlet 31E is connected to the pipeline channel 31D and the filter assembly 9. The water inlet 31E is used to receive pure water delivered by the filter assembly 9 and to replenish the refrigerator 31 with the water required for ice making and cold water storage. In this embodiment, placing the water inlet 31E on the back side of the refrigerator 31 can shorten the length of the connecting pipe between the filter assembly 9 and the ice water tank assembly 3, reduce the space occupied by the pipe, and further improve the compactness of the coffee machine body, so that the whole machine can save countertop width while realizing multiple functions.

[0039] While coffee machines with ice-making functions can meet users' needs for both ice making and coffee extraction, the ice-making components operate at low temperatures. Due to the compact structure of the entire machine, the low temperature can easily be transferred to components related to hot extraction, such as the pressurized instant heating module 6, affecting their normal operation and even causing condensation on the surface, thus reducing the lifespan of the coffee machine.

[0040] To address the aforementioned issues, in some embodiments, the coffee machine of this embodiment further includes a pressurized instant heating module 6. Exemplarily, the pressurized instant heating module 6 includes a thick-film heating tube that extends vertically, reducing the space occupied in the width direction of the machine body. This adapts to the elongated layout of the coffee machine, ensuring both rapid heating and structural compactness. The water inlet of the pressurized instant heating module 6 is connected to the filter assembly 9, and the water outlet is connected to the extraction device 2. Thus, the raw water in the raw water tank 4, after being filtered by the filter assembly 9, enters the pressurized instant heating module 6 for heating, thereby providing hot water for the hot extraction or hot water dispensing functions. In this embodiment, the pressurized instant heating module 6 and the refrigerator 31 are arranged side by side along the left-right direction of the coffee machine, and the pressurized instant heating module 6 and the refrigerator 31 are spaced apart to form a heat insulation space. The heat insulation space blocks the low temperature of the refrigerator 31 from being transmitted to the pressurized instant heating module 6, which can reduce the impact of the low temperature of the ice water tank assembly 3 on the pressurized instant heating module 6, and prevent condensation from forming on the surface of the pressurized instant heating module 6, thereby improving the working stability and service life of the coffee machine.

[0041] In some embodiments, such as Figure 5 As shown, the outer surface of the refrigerator 31 is provided with a plurality of mounting posts 311. The pressure-bearing instant heating module 6 is connected to the refrigerator 31 through the mounting posts 311, so that a heat insulation space is formed between the pressure-bearing instant heating module 6 and the outer surface of the refrigerator 31, further improving the heat insulation effect. In this embodiment, the mounting posts 311 are set to simplify the assembly structure while ensuring the feasibility of heat insulation.

[0042] Please see Figure 8In other embodiments, the coffee machine also includes a mounting partition 61, which is located on one side of the refrigerator 31. The pressure-bearing instant heating module 6 is mounted on the mounting partition 61. The mounting partition 61 is used to separate the coffee machine from the refrigerator 31, thereby improving the stability of the installation.

[0043] The coffee machine in this embodiment also has a hot water dispensing function. In some embodiments, the coffee machine in this embodiment also includes a hot water solenoid valve 64, which is installed on the mounting plate 61, so that the hot water solenoid valve 64 is also spaced apart from the refrigerator 31, avoiding the impact of low temperature on the normal operation of the solenoid valve.

[0044] Furthermore, in some embodiments, the mounting partition 61 is also provided with a surrounding plate 62, which is located between the hot water solenoid valve 64 and the pressurized instant heating module 6, separating the hot water solenoid valve 64 from the pressurized instant heating module 6, further reducing the impact of the heat from the pressurized instant heating module 6 on the hot water solenoid valve 64, thereby further protecting the hot water solenoid valve 64.

[0045] Furthermore, in some embodiments, the coffee machine also includes a protective cover 63, which works in conjunction with the enclosure 62 to enclose the pressurized instant heating module 6, serving both to provide heat insulation and dust protection, and to enhance the safety of the internal structure.

[0046] To save on pipe usage and simplify waterway layout, in some embodiments, such as Figure 8 , Figure 9 and Figure 10 As shown, the coffee machine also includes an extraction pump 65 and a three-way connector 66. One end of the three-way connector 66 is connected to the water inlet of the pressurized instant heating module 6, and the other two ends are connected to the hot water solenoid valve 64 and the extraction pump 65, respectively. In this way, the hot water function and the hot extraction function share the same pressurized instant heating module 6, reducing the number of pipes and the space occupied, and further improving the overall compactness of the machine structure.

[0047] Furthermore, in some embodiments, such as Figure 9 As shown, the outer peripheral walls of the three ports of the tee connector 66 are provided with slots 661. The slots 661 allow clamps to be inserted to achieve pipeline connection. Since the extraction pump 65 needs to provide a high extraction water pressure of 0.9-1.2MPa when it is working, the connection method of using clamps in conjunction with slots 661 can improve the sealing and stability of the pipeline connection, thereby avoiding water leakage and pipeline loosening under high extraction pressure conditions.

[0048] To further improve the heat insulation and ice-making effects, in some embodiments, such as Figure 5As shown, the outer surface of the refrigerator 31 is also provided with a heat insulation layer 312. The pressure-bearing instant heating module 6 and the heat insulation layer 312 are arranged at intervals. The heat insulation layer 312 can reduce the rate of cold loss inside the refrigerator 31, thereby improving the ice-making efficiency. At the same time, it further blocks the low temperature from being transferred to the outside, avoiding the impact on high-temperature water circuit components such as the pressure-bearing instant heating module 6 and the hot water solenoid valve 64.

[0049] The extraction effect of a coffee machine is related to the water pressure and flow rate of the extraction water path. The accuracy of the water path flow rate detection affects the coffee extraction concentration and taste. Therefore, improving the detection accuracy of the extraction water path flow rate is very important for the stability of coffee extraction.

[0050] For this, please refer to Figure 10 and Figure 11 In some embodiments, the coffee machine further includes a first water circuit board assembly 7, wherein the filter assembly 9, the first water circuit board assembly 7, the extraction pump 65, and the pressurized instant heating module 6 are sequentially connected to form a hot extraction water circuit. In the vertical direction, the first water circuit board assembly 7 and the extraction pump 65 are positioned between the raw water tank 4 and the compressor 51. This fully utilizes the space between the raw water tank 4 and the compressor 51, achieving a compact component design without increasing the machine's width, further adapting to the coffee machine's elongated design.

[0051] The first water circuit board assembly 7 includes a first water circuit board 71, a negative pressure valve 72 and a flow meter 73 disposed on the first water circuit board 71. The first water circuit board 71 is connected to the filter assembly 9. The negative pressure valve 72 is located upstream of the flow meter 73. The negative pressure valve 72 is used to stabilize the water flow pressure passing through the flow meter 73, reduce the influence of water flow fluctuations on flow detection, thereby improving the flow detection accuracy of the flow meter 73, and thus improving the stability and extraction quality of coffee extraction.

[0052] In some embodiments, such as Figure 11 As shown, the negative pressure valve 72 is positioned above the flow meter 73. The negative pressure valve 72 and the flow meter 73 are arranged in the vertical direction, which can further utilize the space in the height direction of the whole machine and reduce the space occupied in the width direction, thus adapting to the compact and narrow characteristics of the machine body.

[0053] In some embodiments, the first water circuit board assembly 7 further includes a pure water outlet pump 74, which is integrated on the first water circuit board 71 and located on the water line between the flow meter 73 and the hot water solenoid valve 64. This integrates the pure water outlet pump 74 with components such as the negative pressure valve 72 and the flow meter 73 on the same first water circuit board 71, eliminating the need for additional connecting pipes, further simplifying the water circuit layout and improving the compactness of the internal structure of the coffee machine.

[0054] In some embodiments, the first water circuit board 71 and the extraction pump 65 are arranged side by side along the left-right direction of the coffee machine. This better accommodates the width of the raw water tank 4 and shortens the length of the connecting pipe between the first water circuit board 71 and the extraction pump 65, further improving the internal structural compactness. In some embodiments, the coffee machine also includes a safety valve, which is located downstream of the extraction pump 65 and its pressure relief port is connected to the raw water tank 4. When the water pressure downstream of the extraction pump 65 exceeds a preset safety value, the safety valve opens to release pressure, guiding excess water back to the raw water tank 4, preventing high pressure from damaging the water circuit components and pipes, thereby improving the operational safety of the coffee machine.

[0055] In some embodiments, such as Figure 10 and Figure 12 As shown, the coffee machine also includes a second water circuit board assembly 8, which includes a second water circuit board 81, a cold water supply valve 82 and a room temperature water outlet valve disposed on the second water circuit board 81. The second water circuit board 81 is connected to the filter assembly 9, and the cold water supply valve 82 is connected to the ice water tank assembly 3 to control the filter assembly 9 to supply pure water to the ice water tank assembly 3. The room temperature water outlet valve is used to control the filter assembly 9 to output room temperature pure water, thereby meeting the user's drinking needs for room temperature water.

[0056] In the vertical direction, the second water circuit board assembly 8 is set between the original water tank 4 and the compressor 51, and the first water circuit board 71 and the second water circuit board 81 are set side by side. In this way, the hot water extraction water circuit and the room temperature and ice making water circuit are arranged separately. While making full use of the internal space, it can reduce the interference between different water circuits and further improve the overall structural compactness and space utilization.

[0057] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the 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 drawings are only for illustrative purposes and should not be construed as limiting this application. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0058] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A coffee machine, characterized in that, include: Extraction apparatus; The raw water tank is connected to the extraction device; An ice water tank assembly includes a refrigerator, wherein the refrigerator is connected to the raw water tank; as well as The pressurized instant heating module has its inlet end connected to the raw water tank and its outlet end connected to the extraction device. In this coffee machine, the pressurized instant heating module and the refrigerator are arranged side by side, with the pressurized instant heating module and the refrigerator spaced apart.

2. The coffee machine as described in claim 1, characterized in that, The outer surface of the refrigerator is provided with a plurality of mounting posts, and the pressure-bearing instant heating module is connected to the mounting posts and is spaced apart from the outer surface of the refrigerator.

3. The coffee machine as described in claim 1, characterized in that, It also includes a mounting partition, which is disposed on one side of the refrigerator, and the pressurized instant heating module is mounted on the mounting partition at a distance from the refrigerator.

4. The coffee machine as described in claim 3, characterized in that, It also includes a hot water solenoid valve, which is mounted on the mounting plate and connected to the water inlet of the pressurized instant heating module.

5. The coffee machine as described in claim 4, characterized in that, The mounting partition is also provided with a surrounding plate, which is located between the hot water solenoid valve and the pressurized instant heating module to separate the hot water solenoid valve and the pressurized instant heating module.

6. The coffee machine as described in claim 5, characterized in that, It also includes a protective cover, which cooperates with the enclosure to enclose the pressure-bearing instant heating module.

7. The coffee machine as described in claim 4, characterized in that, It also includes an extraction pump and a three-way connector, one end of which is connected to the water inlet of the pressurized instant heating module, and the other two ends are connected to the hot water solenoid valve and the extraction pump, respectively.

8. The coffee machine as described in claim 7, characterized in that, The outer peripheral walls of the three ports of the tee connector are provided with slots for inserting clamps to connect the pipeline.

9. The coffee machine as described in claim 1, characterized in that, The outer surface of the refrigerator is provided with a heat insulation layer, and the pressure-bearing instant heating module is spaced apart from the heat insulation layer.

10. The coffee machine as claimed in claim 1, characterized in that, The pressure-bearing instant heating module includes a thick film heating tube, which extends vertically.

11. The coffee machine as claimed in claim 1, characterized in that, It also includes a front panel and a filter assembly. The extraction device is located on the front side of the front panel, the ice water tank assembly is located on the rear side of the front panel, and the filter assembly is located on the side of the ice water tank assembly away from the front panel. The inlet of the filter assembly is connected to the raw water tank, and the outlet of the filter assembly is connected to the pressurized instant heating module and the ice water tank assembly, respectively. The extraction device, the ice water tank assembly, the filtration assembly, and the raw water tank are arranged sequentially along a direction perpendicular to the front panel.

12. The coffee machine as described in claim 11, characterized in that, In a direction perpendicular to the front panel, the orthographic projections of the ice water tank assembly, the filter assembly, the raw water tank, and the pressurized instant heating module are all located within the orthographic projection range of the front panel.

13. The coffee machine as claimed in claim 1, characterized in that, The chilled water tank assembly also includes a heat pump assembly, which comprises: The compressor is located below the raw water tank; A condenser, located below the raw water tank and connected to the compressor; and An evaporator, connected to the condenser, is used to form ice. The evaporator is located inside the refrigerator.

14. The coffee machine as described in claim 13, characterized in that, The ice water tank assembly also includes a partition plate disposed inside the refrigerator, the partition plate dividing the inner cavity of the refrigerator into an ice storage cavity and a cold water cavity arranged vertically; the evaporator is disposed inside the ice storage cavity.

15. The coffee machine as described in claim 14, characterized in that, The ice water tank assembly also includes an ice cube box, which is mounted on the partition plate and located below the evaporator to catch ice cubes falling from the evaporator.

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