Capsule extraction machine with fool-proof cleaning function

Abstract

The present application relates to a kind of capsule extraction machine, comprising: capsule extraction machine main body, with shell, inlet pipe, water delivery pipeline and pump, wherein pump is communicated with inlet pipe and water delivery pipeline respectively, and the top of shell has capsule container groove;Water tank, installed in shell and communicated with water delivery pipeline;Stabbing needle pipe, corresponding capsule container groove is configured to break the capsule in capsule container groove;Processor;Power key, to start capsule extraction machine;Display, to flash when capsule extraction machine needs cleaning;And, multiple function keys, to trigger processor control pump and water delivery pipeline to send water in water tank to the water of stabbing needle pipe to extract capsule, and multiple function keys are disabled when display flashes.

Description

[0001] This application claims priority to Taiwan Patent Application No. 114208890, filed on August 22, 2025, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to a beverage machine for brewing beverages such as tea or coffee, and more particularly to a capsule extraction machine for extracting beverages such as tea or coffee using capsules. Background Technology

[0003] With the increasing maturity of capsule technology, especially low-pressure capsule technology, delicious beverages such as coffee, milk tea, black tea, and green tea can be made using capsules with a pressure of only 2 bar. This has made capsule extraction machines increasingly popular and widely used in homes, offices, shops, and other places.

[0004] Currently, some stores use capsule brewing machines to quickly prepare tea and coffee drinks for sale. However, due to high sales volume and busy schedules, store staff often forget to clean the capsule brewing machines regularly. This leads to accumulated dirt and grime, causing unpleasant odors, affecting beverage quality, and even damaging the machines. Furthermore, failing to clean the capsule brewing machines regularly as instructed may violate store rules.

[0005] In view of this, the applicant has devoted himself to studying the aforementioned prior art and applying theoretical principles to try his best to solve the above-mentioned problems, which has become the target of the applicant's improvement. Utility Model Content

[0006] This application provides a capsule extractor with a cleaning and error-proof function, which can prevent the user from continuing to use the capsule extractor if the user has not cleaned it regularly, so as to ensure the quality of the beverage and effectively extend the service life of the capsule extractor.

[0007] In one embodiment, the capsule extraction machine with cleaning and error-proof function of this application includes:

[0008] The main body of the capsule extraction machine includes a housing and an inlet pipe, a delivery pipe and a pump disposed inside the housing. The inlet pipe is configured to introduce an external water source, and the pump is connected to the inlet pipe and the delivery pipe respectively. The top of the housing has a capsule container for holding capsules.

[0009] A water tank is detachably installed in the housing and connected to a water supply pipeline, wherein a pump is configured to draw external water from an external source through an inlet pipe and deliver the external water to the water tank through a water supply pipeline.

[0010] The needle is punctured to puncture the capsule in the corresponding capsule container.

[0011] The processor is housed within the casing;

[0012] The power button, located on the surface of the housing and electrically connected to the processor, is configured to trigger the start of the capsule extraction machine;

[0013] At least one display, disposed on the surface of the housing and electrically connected to the processor, is configured to flash when the capsule extractor requires cleaning; and

[0014] Multiple function keys, located on the surface of the housing and electrically connected to the processor, are configured to trigger the processor to control the pump and water delivery pipeline to deliver water from the water tank to the puncture needle for capsule extraction, and all function keys are disabled when at least one display flashes.

[0015] In one embodiment, it further includes: a timer electrically connected to the processor for recording the start-up time of the capsule extractor; and a sensor electrically connected to the processor for recording the number of capsules punctured by the puncture needle to produce a beverage.

[0016] In one embodiment, the processor controls at least the display to flash when the startup time exceeds a preset time length, the production quantity exceeds a preset quantity, or the total amount of liquid extracted by the capsule extractor exceeds a preset extraction quantity.

[0017] In one embodiment, the preset time length is 24 hours, the preset quantity is 2000, and the preset extraction volume is 1 million ml.

[0018] In one implementation, the number of at least one display is the same as the total number of the power button and the plurality of function keys, and the displays are respectively disposed in the power button and the plurality of function keys.

[0019] In one embodiment, the number of at least one display is the same as the total number of the power button and the plurality of function keys, and the displays are respectively arranged around the outer edge of the power button and the plurality of function keys.

[0020] In one embodiment, the system further includes: a control valve assembly, comprising a first control valve mounted at the bottom of the water tank and a second control valve mounted on the housing and connected to the first control valve; and a heater disposed inside the housing; wherein the end of the inlet pipe is connected to a pump, the water supply pipeline includes a first water supply pipe and a second water supply pipe, one end of the first water supply pipe is connected to the pump and the other end is connected to the second control valve, one end of the second water supply pipe is connected to the second control valve and the other end is connected to the heater, and the first control valve and the second control valve are configured to control the external water source to first flow into the water tank from the first water supply pipe, and then flow into the second water supply pipe from the water tank.

[0021] In one embodiment, the water supply line further includes a third water supply pipe, one end of which is connected to a heater and the other end of which is connected to a puncture needle.

[0022] In one embodiment, the housing extends to a mounting base on its rear side, the water tank is detachably mounted above the mounting base, and a second control valve is mounted on top of the mounting base.

[0023] In one embodiment, the device further includes: a top cover, pivotally connected above the main body of the capsule extractor and covering the capsule container; the top cover is a hollow cover with a bottom plate, and a piercing needle is installed on the bottom plate and corresponding to the capsule container. Compared to related technologies, this application disables the capsule extractor before cleaning is completed, thereby preventing users from continuing to extract beverages without cleaning, which could affect the quality of the beverage or even damage the capsule extractor. Attached Figure Description

[0024] Figure 1 This is a three-dimensional view of the capsule extraction machine used in this application.

[0025] Figure 2 This is another perspective view of the capsule extraction machine of this application.

[0026] Figure 3 This is a cross-sectional view of the capsule extraction machine of this application.

[0027] Figure 4 This is a perspective view of the capsule extraction machine in use according to this application.

[0028] Figure 5 This is a circuit block diagram of the capsule extraction machine of this application.

[0029] Figure 6 This is a flowchart illustrating the error-proofing process for the capsule extraction machine described in this application.

[0030] Explanation of reference numerals in the attached figures:

[0031] 10: Capsule extraction machine;

[0032] 1: Main body of the capsule extraction machine;

[0033] 11: Shell;

[0034] 111: Fixture;

[0035] 12: Water pipe;

[0036] 13: Water supply pipeline;

[0037] 131: First water supply pipe;

[0038] 132: Second water supply pipe;

[0039] 133: Third water supply pipe;

[0040] 14: Pump;

[0041] 15: Capsule container;

[0042] 17: Heater;

[0043] 18: Beverage nozzle;

[0044] 19: Water container;

[0045] 2: Water tank;

[0046] 3: Control valve assembly;

[0047] 31: First control valve;

[0048] 32: Second control valve;

[0049] 4: Top cover;

[0050] 41: Hollow cover;

[0051] 411: Base plate;

[0052] 42: Recessed groove;

[0053] 5: Locking structure;

[0054] 51: A lever-operated plate;

[0055] 511: A lever-operated part;

[0056] 6: Pierce the syringe;

[0057] 100: Capsules;

[0058] 71: Processor;

[0059] 72: Power supply;

[0060] 73: Timer;

[0061] 74: Sensors;

[0062] 81: Function key;

[0063] 82: Power button;

[0064] 83: Monitor;

[0065] S61~S69: Judgment steps. Detailed Implementation

[0066] Please refer to Figures 1 to 5As shown, this application discloses a capsule extraction machine (hereinafter referred to as extraction machine 10) with a cleaning and error-proof function. It is used to draw water from an external source, heat and pressurize it, and then extract the contents of capsules 100 to make beverages such as coffee or tea. Furthermore, before the extraction machine 10 needs cleaning but before cleaning is completed, the processor 71 prevents the extraction machine 10 from continuing to make beverages. This forced cleaning ensures the quality of the beverages and extends the lifespan of the extraction machine 10. Simultaneously, the cleaning and error-proof mechanism allows users to meet the hygiene requirements of some stores regarding the use of the extraction machine 10.

[0067] like Figures 1 to 5 As shown, the extraction machine 10 mainly includes a capsule extraction machine body 1, a water tank 2, a piercing needle 6, a processor 71, multiple function keys 81, a power key 82, and at least one display 83. The capsule extraction machine body 1 includes a housing 11 and a water inlet pipe 12, a water delivery pipe 13, a pump 14, and a heater 17 disposed inside the housing 11. The water inlet pipe 12 is used to introduce external water source, the pump 14 is connected to the water inlet pipe 12 and the water delivery pipe 13 respectively, and the water delivery pipe 13 is connected to the heater 17. In addition, the housing 11 has a capsule container 15 on its top, which is used to hold the corresponding capsule 100 when the user needs to use the extraction machine 10 to make a beverage. The housing 11 has a beverage nozzle 18 and a water tray 19 on its front side. The beverage nozzle 18 is connected to the capsule container 15, and the water tray 19 is used to place a cup (not shown in the figure). The housing 11 also has a fixing seat 111 extending from its rear side.

[0068] like Figures 1 to 4 As shown, the water tank 2 is assembled or detachably installed on the fixed base 111 of the housing 11 and connected to the water supply pipeline 13. The pump 14 is used to draw external water from the water inlet pipe 12 and then transport the external water to the water tank 2 through the water supply pipeline 13.

[0069] Specifically, the extractor 10 also includes a control valve assembly 3, which comprises a first control valve 31 and a second control valve 32. The first control valve 31 is installed at the bottom of the water tank 2 and is a mechanical valve. When the pressure inside the water tank 2 is greater than the external pressure, the first control valve 31 will close its valve; when the external pressure of the water tank 2 is greater than the internal pressure, the first control valve 31 will open its valve. The second control valve 32 is installed on the top of the mounting base 111 of the housing 11. When the water tank 2 is installed on the mounting base 111 of the housing 11, the second control valve 32 can connect with the first control valve 31 at the bottom of the water tank 2.

[0070] The end of the inlet pipe 12 is connected to the pump 14. The water supply pipe 13 includes a first water supply pipe 131, a second water supply pipe 132, and a third water supply pipe 133. One end of the first water supply pipe 131 is connected to the pump 14, and the other end is connected to the second control valve 32. One end of the second water supply pipe 132 is connected to the second control valve 32, and the other end is connected to the heater 17. One end of the third water supply pipe 133 is connected to the heater 17, and the other end is connected to the puncture needle 6, which is partially housed in the hollow cover 41 of the upper cover 4. In one embodiment, the second control valve 32 is used to first control the flow of fluid from the first water supply pipe 131 to the first control valve 31, and then control the flow of fluid from the first control valve 31 to the second water supply pipe 132. That is, the first control valve 31 and the second control valve 32 are used to control the external water source to first flow into the water tank 2 from the first water supply pipe 131, and then flow into the second water supply pipe 132 from the water tank 2.

[0071] like Figures 1 to 4 As shown, the extraction machine 10 of this application also includes a top cover 4, which is pivotally connected above the capsule extraction machine body 1 and covers the capsule container 15. The top cover 4 is a hollow cover 41, the bottom surface of which has a base plate 411 and a recessed groove 42 at the front end. The piercing needle 6 is installed on the base plate 411 and is positioned corresponding to the capsule container 15. When the user wants to use the extraction machine 10 to make a beverage, the capsule 100 is placed in the capsule container 15, and then the top cover 4 is placed on the capsule extraction machine body 1. First, the piercing needle 6 pierces the capsule 100 placed in the capsule container 15. The pump 14 and the heater 17 then deliver high-pressure hot water to the piercing needle 6 through the water supply pipe 13, so that the piercing needle 6 continuously injects high-pressure hot water into the capsule 100, so that the high-pressure hot water and the powder in the capsule 100 are evenly mixed into a beverage. Finally, the beverage is brewed and flows out from the beverage nozzle 18.

[0072] The extraction machine 10 of this application also includes a locking structure 5, which includes a movable plate 51 pivotally connected to the upper cover 4. The upper cover 4 has a recessed groove 42 on one side, and the movable plate 51 is pivotally connected to the inner wall of the recessed groove 42 and can be fitted into or protrude from the recessed groove 42. The movable plate 51 also has a movable portion 511. When the movable portion 511 is subjected to force and the movable plate 51 is rotated towards the upper cover 4 to fit into the recessed groove 42, the movable plate 51 causes the upper cover 4 to be locked onto the housing 11 by the locking structure 5; and when the movable plate 51 is rotated away from the upper cover 4 to protrude from the recessed groove 42, the movable plate 51 allows the upper cover 4 to be released from the locking structure 5 and can be opened relative to the housing 11, thereby exposing the capsule container 15. By using the locking structure 5, the top cover 4 is not easily opened by accident, so as to avoid the failure of extraction of capsule 100 due to accidental opening of the top cover 4 during the process of puncturing the needle tube 6 to puncture the capsule 100 and inject hot water.

[0073] In one embodiment, the extraction machine 10 of this application utilizes the feature that the water tank 2 can be assembled or detached and installed on the housing 11, allowing the user to manually remove the water tank 2 to replenish water, and then manually install the water tank 2, which is full of water, back onto the housing 11. This achieves the effect of manual water replenishment in the event of a water outage. Furthermore, when the water tank 2 is installed on the fixing base 111 of the housing 11, the pump 14 first draws external water through the water inlet pipe 12 and then delivers the external water to the water tank 2 through the water delivery pipe 13. Therefore, an automatic water replenishment function can be achieved, eliminating the need for the user to manually remove and install the water tank 2 to replenish water after brewing multiple cups of beverages.

[0074] like Figure 5 As shown, in one embodiment, the extraction machine 10 is further provided with a processor 71, a power supply 72, a timer 73, a sensor 74, multiple function keys 81, a power button 82, and at least one display 83. The processor 71, power supply 72, timer 73, sensor 74, multiple function keys 81, power button 82, and at least one display 83 are all located on a motherboard (not shown in the figure) inside the housing 11, and the processor 71 is electrically connected to the power supply 72, timer 73, sensor 74, multiple function keys 81, power button 82, and at least one display 83 through the motherboard.

[0075] The processor 71 is disposed within the housing 11 and is used to control the pump 14 and heater 17 of the extractor 10 to deliver high-pressure hot water for extracting the capsules 100 in the capsule container 15. In one embodiment, the processor 71 may be implemented by a central processing unit (CPU), microcontroller unit (MCU), programmable logic controller (PLC), system on chip (SoC), or field programmable gate array (FPGA).

[0076] The power supply 72 is connected to the processor 71 and exposed from one side of the housing 11 to the extractor 10 for connection to mains power. In one embodiment, the power supply 72 may be, for example, a power cord or a transformer.

[0077] The power button 82 is located on one side surface of the housing 11 and is configured to trigger the start of the extractor 10. For example, after the extractor 10 is connected to mains power via the power supply 72, the user can start the extractor 10 by pressing the power button 82.

[0078] Multiple function keys 81 are located on one side surface of the housing 11 and are configured to trigger the processor 71 to control the pump 14 and water supply line 13 of the extraction machine 10 to deliver water from the water tank 2 to the heater 17, control the heater 17 to heat the water, and deliver high-pressure hot water to the puncture needle 6 to extract the capsules 100 in the capsule container 15. In one embodiment, the multiple function keys 81 correspond to different types of beverages, for example, the multiple function keys 81 correspond to different water volumes and water temperatures. When the user places different types of capsules 100 in the capsule container 15 and presses the corresponding function key 81, the extraction machine 10 can extract the capsules 100 with the corresponding water volume and water temperature, and output the prepared beverage from the beverage nozzle 18.

[0079] like Figure 1 and Figure 4 As shown, multiple function keys 81 and a power button 82 are located on the same side of the housing 11. In one embodiment, the power button 82 is located below the multiple function keys 81. In one embodiment, there is one power button 82 and four function keys 81. However, the above is only one specific embodiment of this application, and the number and arrangement of the buttons on the extraction machine 10 of this application are not necessarily the same. Figure 1 and Figure 4 The examples shown are limited to those shown.

[0080] In one embodiment, the plurality of function keys 81 and the power key 82 can be mechanical keys or touch keys.

[0081] At least one display 83 is disposed on one side surface of the housing 11 and configured to emit warning signals. For example, when one of the usage time, number of uses, or output volume of the extractor 10 reaches a preset cleaning condition, the processor 71 of the extractor 10 controls the display 83 to flash to remind the user that the extractor 10 needs to be cleaned. In one embodiment, the processor 71 controls the display 83 to flash different types of warnings with different colors, frequencies, and durations, such as cleaning warnings, fault warnings, water shortage warnings, and warnings that the top cover 4 is not properly closed, etc., but is not limited thereto.

[0082] The display 83 may be a light-emitting diode (LED). In one embodiment, the display 83 may be independently disposed in the housing 11 and exposed on the surface of the housing 11.

[0083] In one embodiment, the number of displays 83 is the same as the total number of power buttons 82 and function keys 81, and these displays 83 are respectively disposed within the power buttons 82 and the function keys 81. For example, if the extraction machine 10 has one power button 82 and four function keys 81, it also has five displays 83, and these five displays 83 are respectively disposed within the power buttons 82 and the function keys 81. In this embodiment, the power buttons 82 and the function keys 81 are made of a transparent or translucent substrate, so that when the displays 83 emit light, light can penetrate through the power buttons 82 and the function keys 81 for the user to see.

[0084] In one embodiment, the number of displays 83 is the same as the total number of power buttons 82 and function keys 81, and these displays 83 are respectively arranged around the outer edge of the power buttons 82 and the function keys 81. In this embodiment, the power buttons 82 and the function keys 81 can be made of substrates of any material. Since the displays 83 surround the outer ring of the power buttons 82 and the function keys 81, the user can directly perceive the light emitted by the displays 83 with the naked eye.

[0085] One of the technical features of this application is that when the usage time, number of uses, or output of the extraction machine 10 reaches the preset cleaning conditions, the extraction machine 10 must be cleaned. At this time, the display 83 of the extraction machine 10 will flash to prompt the user to clean the extraction machine 10. After the user has completed cleaning the extraction machine 10, the display 83 stops flashing. To prevent the user from continuing to use the extraction machine 10 to make beverages before cleaning is completed, the controller 71 disables multiple function keys 81 when the extraction machine 10 needs to be cleaned but has not yet been cleaned. In other words, when the display 83 is still flashing, multiple function keys 81 are disabled. At this time, no matter which function key 81 the user presses, the extraction machine 10 will not be able to successfully trigger the beverage making process.

[0086] In one embodiment, the timer 73 is a physical timer disposed within the housing 11. In another embodiment, the timer 73 is a virtual timer implemented by the processor 71 via software. The timer 73 is used to continuously record the start-up time of the extractor 10 after it is powered on. In one embodiment, when the start-up time of the extractor 10 exceeds a preset time, the processor 71 determines that the extractor 10 needs cleaning and controls the display 83 to flash, and disables multiple function keys 81.

[0087] In one embodiment, the preset time length is 24 hours after the extraction machine 10 is powered on and started, but it is not limited to this.

[0088] In one embodiment, sensor 74 is disposed within housing 11 and senses the action of piercing needle 6 piercing capsule 100. For example, sensor 74 may be a microphone for sensing the sound of piercing needle 6 piercing capsule 100, an image capturing unit (e.g., a camera) for sensing the image of piercing needle 6 piercing capsule 100, or an infrared sensing unit for sensing the image of piercing needle 6 extending into capsule 100. Sensor 74 is used to continuously record the number of times the extractor 100 is pierced to produce a beverage after the extractor 10 is powered on.

[0089] In another embodiment, the processor 71 directly records the number of times the multiple function keys 81 are pressed. By recording the number of times the multiple function keys 81 are pressed, the processor 71 can directly count the number of beverages produced by the extraction machine 10.

[0090] In one embodiment, when the number of beverages produced by the extraction machine 10 exceeds a preset number, the processor 71 determines that the extraction machine 10 needs to be cleaned and controls the display 83 to flash, and disables multiple function keys 81.

[0091] In one embodiment, the preset quantity is 2000 (even if the extraction machine 10 produces 2000 cups of beverage), but is not limited thereto.

[0092] In one embodiment, the processor 71 can also continuously record the total amount (ml) of liquid extracted by the extractor 10 and output by the beverage nozzle 18 after the extractor 10 is powered on and started. In one embodiment, when the total amount of liquid extracted by the extractor 10 exceeds the preset extraction amount, the processor 71 determines that the extractor 10 needs to be cleaned and controls the display 83 to flash, and disables multiple function keys 81.

[0093] In one embodiment, the preset extraction volume is 1 million ml (taking the extraction machine 10 making 2,000 cups of beverage and the average volume of one cup of beverage being 500 ml as an example), but it is not limited thereto.

[0094] Please see below. Figure 6 This is a flowchart illustrating the error-proofing process for the capsule extraction machine described in this application. Figure 6 This application discloses a mistake-proof mechanism that prevents the continued use of an extraction machine 10 that has not been thoroughly cleaned, and this mistake-proof mechanism applies to... Figures 1 to 5 The extraction machine 10 shown.

[0095] like Figure 6As shown, the user first presses the power button 82 to start the extraction machine 10 (step S61). After the extraction machine 10 starts, the timer 73 or the processor 71 begins recording the start-up time (step S62). Next, the user places the capsule 100 into the capsule container 15, closes the top cover 4 to puncture the capsule 100 with the piercing needle 6, and presses any function button 81 to extract the capsule 100 and make a beverage (step S63). At this time, the sensor 74 and the processor 71 update the number of cups made and the total amount of liquid extracted by the extraction machine 10 (step S64). Then, the processor 71 determines whether any one of the start-up time, number of cups made, or total amount of liquid exceeds any one of the preset time, preset quantity, or preset extraction amount (step S65).

[0096] If in step S65 it is determined that the start time length does not exceed the preset time length, the number of cups made does not exceed the preset quantity, and the total amount of extracted liquid does not exceed the preset extraction amount, then the processor 71 returns to step S63 to wait, and the user can extract again by triggering any function key 61.

[0097] If, in step S65, it is determined that the start-up time exceeds a preset time, the number of cups prepared exceeds a preset quantity, or the total amount of extracted liquid exceeds a preset extraction amount, then the processor 71 controls the display 83 to flash (step S66) to remind the user to clean the extraction machine 10. After the display 83 starts flashing, the processor 71 continues to determine whether the user has performed a cleaning action on the extraction machine 10 (step S67), the cleaning action including manual cleaning by the user and automatic cleaning of the extraction machine 10.

[0098] Before the extraction machine 10 completes cleaning, the processor 71 disables multiple function keys 81 (step S68) and returns to step S67 to continue waiting and judging. During this time, the multiple function keys 81 cannot be used. After the extraction machine 10 completes cleaning, the processor 71 enables multiple function keys 81 (step S69) and returns to step S63 to wait. At this time, the user can perform extraction again by triggering any function key 61.

[0099] This application employs a foolproof mechanism to prevent the capsule extraction machine from being used until it has been thoroughly cleaned, thus avoiding the potential risk of users continuing to make beverages without cleaning, which could affect the quality of the beverages or even damage the capsule extraction machine.

Claims

1. A capsule extraction machine with cleaning and error-proof functions, characterized in that, include: The main body of the capsule extraction machine includes a housing and a water inlet pipe, a water delivery pipe and a pump disposed inside the housing. The water inlet pipe is configured to introduce an external water source, and the pump is connected to the water inlet pipe and the water delivery pipe respectively. The top of the housing has a capsule container for accommodating capsules. A water tank is detachably installed in the housing and connected to the water supply pipeline, wherein the pump is configured to draw the external water source through the inlet pipe and deliver the external water source to the water tank through the water supply pipeline; The needle is punctured and positioned corresponding to the capsule cavity to puncture the capsule in the capsule cavity; The processor is disposed within the housing; A power button, located on the surface of the housing and electrically connected to the processor, triggers the capsule extraction machine to start. At least one display, disposed on the surface of the housing and electrically connected to the processor, flashes when the capsule extractor needs to be cleaned; and Multiple function keys are located on the surface of the housing and electrically connected to the processor. The processor triggers the processor to control the pump and the water delivery pipeline to deliver water from the water tank to the puncture needle to extract the capsule. The multiple function keys are disabled when at least one display flashes.

2. The capsule extraction machine with cleaning and error-proof functions as described in claim 1, characterized in that, Also includes: A timer, electrically connected to the processor, records the start-up time of the capsule extraction machine; and A sensor, electrically connected to the processor, records the number of capsules punctured by the puncturing needle to produce a beverage.

3. The capsule extraction machine with cleaning and error-proof functions as described in claim 2, characterized in that, When the processor controls the display to flash when the startup time exceeds a preset time, the production quantity exceeds a preset quantity, or the total amount of liquid extracted by the capsule extractor exceeds a preset extraction quantity.

4. The capsule extraction machine with cleaning and error-proof function as described in claim 3, characterized in that, The preset time length is 24 hours, the preset quantity is 2000, and the preset extraction volume is 1 million ml.

5. The capsule extraction machine with cleaning and error-proof function as described in claim 1, characterized in that, The number of at least one display is the same as the total number of the power button and the plurality of function keys, and the displays are respectively disposed in the power button and the plurality of function keys.

6. The capsule extraction machine with cleaning and error-proof function as described in claim 1, characterized in that, The number of at least one display is the same as the total number of the power button and the plurality of function keys, and the displays are respectively arranged around the outer edge of the power button and the plurality of function keys.

7. The capsule extraction machine with cleaning and error-proof function as described in claim 1, characterized in that, Also includes: The control valve assembly includes a first control valve installed at the bottom of the water tank and a second control valve installed on the housing and connected to the first control valve. and A heater is disposed inside the housing; The water inlet pipe is connected to the pump at one end. The water delivery pipeline includes a first water delivery pipe and a second water delivery pipe. One end of the first water delivery pipe is connected to the pump and the other end is connected to the second control valve. One end of the second water delivery pipe is connected to the second control valve and the other end is connected to the heater. The first control valve and the second control valve are configured to control the external water source to flow into the water tank first from the first water delivery pipe and then into the second water delivery pipe from the water tank.

8. The capsule extraction machine with cleaning and error-proof function as described in claim 7, characterized in that, The water supply pipeline further includes a third water supply pipe, one end of which is connected to the heater and the other end of which is connected to the puncture needle.

9. The capsule extraction machine with cleaning and error-proof function as described in claim 8, characterized in that, The housing has a mounting base extending from its rear side, the water tank is detachably mounted above the mounting base, and the second control valve is mounted on top of the mounting base.

10. The capsule extraction machine with cleaning and error-proof function as described in claim 9, characterized in that, Also includes: The top cover is pivotally connected to the upper part of the capsule extraction machine and covers the capsule container. The top cover is a hollow cover with a bottom plate. The piercing needle is installed on the bottom plate and is configured corresponding to the capsule container.

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