Beverage machine and control method thereof

Abstract

The beverage machine provided by the invention comprises a beverage maker, a first flow direction regulation and control unit, a first waste discharge pipe and a pump, the first flow direction regulation and control unit is connected with the beverage maker through a first raw material supply pipe, the first flow direction regulation and control unit is connected with a raw material source through a second raw material supply pipe, the first flow direction regulation and control unit is connected with a first waste discharge pipe, and the first flow direction regulation and control unit is selectively communicated with the first raw material supply pipe and the second raw material supply pipe or is communicated with a second waste discharge pipe; a first raw material supply pipe and a first waste discharge pipe; the pump pumps liquid in the first direction, and when the first flow direction regulation and control unit is communicated with the first raw material supply pipe and the second raw material supply pipe, fluid flows from the first flow direction regulation and control unit to the beverage maker; the pump pumps liquid in the second direction, when the first flow direction regulation and control unit is communicated with the first raw material supply pipe and the first waste discharge pipe, the fluid flows to the first flow direction regulation and control unit from the beverage maker, and the first direction is different from the second direction. According to the beverage machine, the number of cleaning times of the beverage maker can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of beverage making, and in particular, to a beverage machine and a control method thereof. Background Art

[0002] With the increasing demand for beverages such as coffee and milk tea, beverage machines have emerged as the times require.

[0003] After a beverage is prepared by a beverage maker of a beverage machine, waste liquid often remains in the beverage maker and the pipeline through which the beverage flows. In related technologies, in order to clean the beverage maker and the pipeline through which the beverage flows thoroughly, it is often necessary to clean them repeatedly with water, which is time-consuming and water-consuming, and affects the working efficiency of the beverage machine. Summary of the Invention

[0004] In view of this, the present application provides a beverage machine and a control method thereof. The beverage machine can realize the beverage making function and the reverse waste discharging function by using a pump. Under the reverse waste discharging function, the fluid remaining in the beverage maker and the pipeline through which the beverage flows can be discharged, which is beneficial to reducing the number of cleaning times of the beverage maker and the pipeline through which the beverage flows, improving the working efficiency of the beverage machine, and the reverse waste discharging function and the beverage making function share the pump, making the structure of the beverage machine simple and the cost low.

[0005] In a first aspect, the present application provides a beverage machine, including: a beverage maker, a first flow direction control unit, a first waste discharge pipe, and a pump; the first flow direction control unit is connected to the raw material inlet of the beverage maker through a first raw material supply pipe, the first flow direction control unit is connected to a raw material source through a second raw material supply pipe, the first flow direction control unit is further connected to the first waste discharge pipe, the first flow direction control unit can selectively connect the first raw material supply pipe and the second raw material supply pipe, and cut off the first waste discharge pipe, or the first flow direction control unit can selectively connect the first raw material supply pipe and the first waste discharge pipe, and cut off the second raw material supply pipe; the pump pumps liquid in a first direction, and when the first flow direction control unit connects the first raw material supply pipe and the second raw material supply pipe, the fluid flows from the first flow direction control unit to the beverage maker; the pump pumps liquid in a second direction, and when the first flow direction control unit connects the first raw material supply pipe and the first waste discharge pipe, the fluid flows from the beverage maker to the first flow direction control unit, and then is discharged from the beverage machine through the first waste discharge pipe; wherein, the first direction is different from the second direction.

[0006] According to the beverage machine of the embodiment of the present application, a first flow direction control unit is provided, and the first flow direction control unit is respectively connected to a first raw material supply pipe, a second raw material supply pipe, and a first waste discharge pipe. Since the first flow direction control unit can connect one of the second raw material supply pipe and the first waste discharge pipe to the first raw material supply pipe, when the first flow direction control unit connects the first raw material supply pipe and the second raw material supply pipe, and the pump pumps liquid in the first direction, the fluid flows from the first flow direction control unit to the beverage maker, thereby realizing the beverage making function of the beverage machine. When the first flow direction control unit connects the first raw material supply pipe and the first waste discharge pipe, and the pump pumps liquid in the second direction, the fluid in the beverage maker and the raw material supply pipe flows from the beverage maker to the first flow direction control unit, and then is discharged from the beverage machine through the first waste discharge pipe, thereby realizing the reverse waste discharge function of the beverage machine, avoiding the residue of the fluid in the beverage maker and the raw material supply pipe, being beneficial to reducing the cleaning times of the beverage maker and the raw material supply pipe, and improving the working efficiency of the beverage machine. Moreover, the reverse waste discharge function and the beverage making function share the pump, thus simplifying the structure of the beverage machine and reducing the cost of the beverage machine.

[0007] In a possible implementation manner of the first aspect of the present application, the beverage machine satisfies at least one of the following features: the first flow direction control unit is configured as a three-way electrically controlled valve; the pump is arranged on the first raw material supply pipe between the beverage maker and the first flow direction control unit; the liquid outlet of the beverage maker is connected to the beverage outlet through a beverage supply pipe, and when the pump pumps liquid in the second direction, the pump is connected to the beverage outlet to suck air from the beverage outlet.

[0008] In a possible implementation manner of the first aspect of the present application, the beverage machine further includes a second flow direction control unit and a second waste discharge pipe. The second flow direction control unit is connected to the liquid outlet of the beverage maker through a liquid discharge pipe, the second flow direction control unit is connected to the second waste discharge pipe, and the second flow direction control unit is connected to the beverage outlet through the beverage supply pipe; the second flow direction control unit can selectively connect the liquid discharge pipe and the beverage supply pipe, and cut off the second waste discharge pipe; or connect the liquid discharge pipe and the second waste discharge pipe, and cut off the beverage supply pipe; when the pump pumps liquid in the second direction, the second flow direction control unit connects the liquid discharge pipe and the second waste discharge pipe to suck air from the second waste discharge pipe.

[0009] In a possible implementation manner of the first aspect of the present application, the beverage machine further includes a third flow direction control unit, a steam generator, and a water supply source; the second raw material supply pipe includes a first pipe section and a second pipe section, the first pipe section is connected to the first flow direction control unit, the second pipe section is connected to the raw material source, and the third flow direction control unit is arranged between the first pipe section and the second pipe section; the third flow direction control unit is connected to the water supply source through a water flushing pipe; the third flow direction control unit is connected to the steam generator through a steam flushing pipe; the third flow direction control unit is configured to allow the first pipe section to be connected to the water flushing pipe; the third flow direction control unit selectively connects the first pipe section and the second pipe section and cuts off the steam flushing pipe, or the third flow direction control unit selectively connects the first pipe section and the steam flushing pipe and cuts off the second pipe section.

[0010] In a possible implementation manner of the first aspect of the present application, the third flow direction control unit includes a three-way member and a third three-way electric control valve, the three-way member is connected to the third three-way electric control valve, the three-way member is respectively connected to the first pipe section and the water flushing pipe, the third three-way electric control valve is respectively connected to the second pipe section and the steam flushing pipe, and the third three-way electric control valve selectively connects the three-way member and the second pipe section and cuts off the steam flushing pipe, or connects the three-way member and the steam flushing pipe and cuts off the second pipe section.

[0011] In a second aspect, the present application provides a beverage machine, including: a beverage maker, a first waste discharge pipe, and a pump; the raw material inlet of the beverage maker is connected to a raw material source through a raw material supply pipe; the first waste discharge pipe is connected to the raw material supply pipe; the beverage machine has a beverage making mode, and the beverage making mode includes a beverage making function of using the pump that pumps liquid in a first direction to extract raw materials from the raw material source to the beverage maker; the beverage machine has a first cleaning mode, and the first cleaning mode includes a reverse waste discharge function of using the pump that pumps liquid in a second direction to extract fluid from the beverage maker to the first waste discharge pipe; wherein, the first direction is different from the second direction.

[0012] According to the beverage machine of the embodiments of the present application, by making the beverage making mode include a beverage making function of using a pump that pumps liquid in the first direction to extract raw materials from a raw material source to a beverage maker, the first cleaning mode of the beverage machine includes a reverse waste discharging function of using a pump that pumps liquid in the second direction to extract fluid from the beverage maker to a first waste discharging pipe. In this way, after the beverage making mode is executed, the first cleaning mode can be executed to utilize the reverse waste discharging function in the first cleaning mode to discharge the residual fluid in the beverage maker and the raw material supply pipe from the first waste discharging pipe, thereby avoiding the residual fluid in the beverage maker and the raw material supply pipe, which is beneficial to reducing the cleaning times of the beverage maker and the raw material supply pipe to at least a certain extent and improving the working efficiency of the beverage machine. Moreover, the reverse waste discharging function and the beverage making function share the pump, thereby simplifying the structure of the beverage machine and reducing the cost of the beverage machine.

[0013] In a possible implementation manner of the second aspect of the present application, the beverage machine includes a water supply source; the beverage machine has a cold water cleaning function of using the pump that pumps liquid in the first direction to extract water from the water supply source to the beverage maker; the first cleaning mode includes the cold water cleaning function.

[0014] In a possible implementation manner of the second aspect of the present application, the beverage machine further includes a second waste discharging pipe, and the second waste discharging pipe is connected to the liquid outlet of the beverage maker; wherein, the beverage machine is configured that in the cold water cleaning function of the first cleaning mode, the fluid discharged from the liquid outlet is discharged from the second waste discharging pipe; and / or, in the reverse waste discharging function, the pump is connected to the second waste discharging pipe to suck air from the second waste discharging pipe.

[0015] In a possible implementation manner of the second aspect of the present application, the beverage machine is configured to execute the first cleaning mode after each execution of the beverage making mode; and / or, the liquid outlet of the beverage maker is connected to a beverage outlet through a beverage supply pipe, and in the reverse waste discharging function, the pump is connected to the beverage outlet to suck air from the beverage outlet.

[0016] In a possible implementation manner of the second aspect of the present application, the beverage machine includes a water supply source and a heating device for heating water; the beverage machine has a cold water cleaning function of using the pump that pumps liquid in the first direction to extract water from the water supply source to the beverage maker; the beverage machine further has a hot water cleaning function of using the pump that pumps liquid in the first direction to extract heated water from the heating device to the beverage maker; the beverage machine further includes a second cleaning mode, and the second cleaning mode includes the cold water cleaning function and the hot water cleaning function.

[0017] In a possible implementation of the second aspect of the present application, the beverage machine further includes a steam generator; the second cleaning mode further includes a steam cleaning function of using the pump that pumps liquid in the first direction to pump steam from the steam generator to the beverage maker; and / or, the execution frequency of the second cleaning mode is less than that of the first cleaning mode; and / or, the liquid outlet of the beverage maker is connected to the beverage outlet through a beverage supply pipe, and the beverage machine is configured such that in the second cleaning mode, all the fluids discharged from the liquid outlet are discharged from the beverage outlet.

[0018] In a possible implementation of the second aspect of the present application, the raw material supply pipe is selectively connected to a cleaning liquid container or the raw material source, and the beverage machine has a third cleaning mode, and the third cleaning mode includes a cleaning liquid cleaning function of using the pump that pumps liquid in the first direction to pump the cleaning liquid from the cleaning liquid container to the beverage maker.

[0019] Further, the cleaning liquid is formed by mixing a cleaning agent and a solvent in the cleaning liquid container, and the beverage machine includes a driving pump and a water supply source, and the driving pump is used to pump water from the water supply source to the cleaning liquid container; the third cleaning mode further includes a solvent extraction function of using the driving pump to pump water to the cleaning liquid container.

[0020] Further, the beverage machine is configured such that in the third cleaning mode, the solvent extraction function and the cleaning liquid cleaning function are sequentially and repeatedly executed multiple times.

[0021] In a possible implementation of the second aspect of the present application, the beverage machine includes a first flow direction control unit; the raw material supply pipe includes a first raw material supply pipe and a second raw material supply pipe. The first flow direction control unit is connected to the beverage maker through the first raw material supply pipe, and the first flow direction control unit is connected to the raw material source through the second raw material supply pipe. The first flow direction control unit is further connected to the first waste discharge pipe. The first flow direction control unit selectively connects the first raw material supply pipe and the second raw material supply pipe and blocks the first waste discharge pipe, or connects the first raw material supply pipe and the first waste discharge pipe and blocks the second raw material supply pipe; wherein, in the beverage making mode, the first flow direction control unit connects the first raw material supply pipe and the second raw material supply pipe; in the reverse waste discharge function, the first flow direction control unit connects the first raw material supply pipe and the first waste discharge pipe.

[0022] In a possible implementation manner of the second aspect of the present application, the beverage machine includes a third flow direction control unit, a water supply source, and a steam generator; the second raw material supply pipe includes a first pipe section and a second pipe section, the first pipe section is connected to the first flow direction control unit, the second pipe section is connected to the raw material source, and the third flow direction control unit is arranged between the first pipe section and the second pipe section; the third flow direction control unit is connected to the water supply source through a water flushing pipe; the third flow direction control unit is connected to the steam generator through a steam flushing pipe; the third flow direction control unit is configured to allow the first pipe section to be connected to the water flushing pipe; and the third flow direction control unit selectively connects the first pipe section and the second pipe section and blocks the steam flushing pipe, or connects the first pipe section and the steam flushing pipe and blocks the second pipe section; wherein, in the beverage making mode, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the second pipe section.

[0023] In a possible implementation manner of the second aspect of the present application, the beverage machine satisfies at least one of the following characteristics:

[0024] The beverage machine has a cold water cleaning function of pumping water from the water supply source to the beverage maker using the pump that pumps liquid in the first direction. In the cold water cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the water flushing pipe;

[0025] The beverage machine has a steam cleaning function of pumping steam from the steam generator to the beverage maker using the pump that pumps liquid in the first direction. In the steam cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the steam flushing pipe;

[0026] A heating device is arranged on the water flushing pipe. The beverage machine has a hot water cleaning function of pumping the heated water from the heating device to the beverage maker using the pump that pumps liquid in the first direction. In the hot water cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the water flushing pipe;

[0027] The second pipe section is selectively communicable with the cleaning liquid container for containing cleaning liquid or with the raw material source. The beverage machine has a cleaning function of the cleaning liquid for pumping the cleaning liquid from the cleaning liquid container to the beverage maker by using the pump that pumps liquid along the first direction. Under the cleaning function of the cleaning liquid, the first flow direction control unit connects the first raw material supply pipe to the first pipe section, and the third flow direction control unit connects the first pipe section and the second pipe section;

[0028] The cleaning liquid is formed by mixing a cleaning agent and a solvent in the cleaning liquid container. The beverage machine includes a driving pump. The beverage machine has a solvent extraction function of pumping water from the water supply source to the cleaning liquid container by using the driving pump. Under the solvent extraction function, the third flow direction control unit connects the water flushing pipe to the second pipe section, and the second pipe section is communicable with the cleaning liquid container. The solvent extraction function and the cleaning function of the cleaning liquid are sequentially cycled and executed multiple times.

[0029] In a possible implementation manner of the second aspect of the present application, the beverage machine further includes a second flow direction control unit and a second waste discharge pipe; the second flow direction control unit is connected to the liquid outlet of the beverage maker through a liquid outlet pipe, the second flow direction control unit is connected to the second waste discharge pipe, and the second flow direction control unit is connected to the beverage outlet through a beverage supply pipe; the second flow direction control unit selectively connects the liquid outlet pipe and the beverage supply pipe and blocks the second waste discharge pipe; or connects the liquid outlet pipe and the second waste discharge pipe and blocks the beverage supply pipe; in the beverage making mode, the second flow direction control unit connects the liquid outlet pipe and the beverage supply pipe and blocks the second waste discharge pipe; in the reverse waste discharge function, the second flow direction control unit connects the liquid outlet pipe and the beverage supply pipe and blocks the second waste discharge pipe to suck air from the beverage outlet, or, in the reverse waste discharge function, the second flow direction control unit connects the liquid outlet pipe and the second waste discharge pipe and blocks the beverage supply pipe to suck air from the second waste discharge pipe.

[0030] In a possible implementation manner of the second aspect of the present application, the beverage machine further includes a steam generator, a steam supply pipe and a third electric control valve. The steam generator is connected to the beverage maker through the steam supply pipe, and the third electric control valve is arranged on the steam supply pipe to control the on-off of the steam supply pipe; the beverage making mode includes a cold milk making mode and a hot milk making mode. In the cold milk making mode, the third electric control valve is closed; in the hot milk making mode, the third electric control valve is opened.

[0031] In a possible implementation of the second aspect of the present application, the beverage machine further includes an air supply pipe and a fourth electromagnetic valve. The air supply pipe is connected to the beverage maker, and the fourth electromagnetic valve is arranged on the air supply pipe to control the on-off of the air supply pipe. In the cold milk making mode and the hot milk making mode, the fourth electromagnetic valve is closed. The beverage making mode further includes a hot milk foam making mode and a cold milk foam making mode. In the hot milk foam making mode, both the third electromagnetic valve and the fourth electromagnetic valve are opened. In the cold milk foam making mode, the fourth electromagnetic valve is opened and the third electromagnetic valve is closed.

[0032] In a third aspect, the present application provides a control method for a beverage machine. The beverage machine includes a beverage maker, a first waste discharge pipe, and a pump. The raw material inlet of the beverage maker is connected to a raw material source through a raw material supply pipe. The first waste discharge pipe is connected to the raw material supply pipe. The method includes: executing a beverage making mode: controlling the pump to pump liquid in a first direction so that the raw material in the raw material source enters the beverage maker through the raw material supply pipe; executing a first cleaning mode: controlling the pump to pump liquid in a second direction so that the fluid in the beverage maker is discharged from the beverage machine through the raw material supply pipe and the first waste discharge pipe in sequence.

[0033] According to the control method of the beverage machine in the embodiments of the present application, after the beverage making mode is executed, the first cleaning mode can be executed to facilitate discharging the residual fluid in the beverage maker and the raw material supply pipe from the first waste discharge pipe by using the reverse waste discharge function in the first cleaning mode, thereby avoiding the residual fluid in the beverage maker and the raw material supply pipe, which is beneficial to reducing the cleaning times of the beverage maker and the raw material supply pipe to at least a certain extent and improving the working efficiency of the beverage machine. Moreover, the reverse waste discharge function and the beverage making function share the pump, which can simplify the structure of the beverage machine and reduce the cost of the beverage machine.

[0034] In a possible implementation manner of the third aspect of the present application, the beverage machine further includes a water supply source. Before controlling the pump to pump liquid in the second direction so that the fluid in the beverage maker is discharged from the beverage machine through the raw material supply pipe and the first waste discharge pipe in sequence, the method further includes: controlling the pump to pump liquid in the first direction so that the water in the water supply source enters the beverage maker through the raw material supply pipe; and / or, after each execution of the beverage making mode, the first cleaning mode is executed; and / or, the beverage machine includes a heating device, a steam generator and a water supply source; after the beverage making mode is executed a first preset number of times, or after the beverage machine works for a first preset duration, the method further includes executing a second cleaning mode: controlling the pump to pump liquid in the first direction so that the water in the water supply source enters the beverage maker through the raw material supply pipe; controlling the pump to pump liquid in the first direction so that the water in the heating device enters the beverage maker through the raw material supply pipe; finally, controlling the pump to pump liquid in the first direction so that the steam in the steam generator enters the beverage maker through the raw material supply pipe; and / or, the beverage machine further includes a driving pump and a water supply source, and the raw material supply pipe is selectively connected to a cleaning liquid container or a raw material source, and the cleaning liquid container is used for containing a mixture of a cleaning agent and a solvent; after the beverage making mode is executed a second preset number of times, or after the beverage machine works for a second preset duration, the method further includes executing a third cleaning mode: controlling the driving pump to pump liquid so that the water in the water supply source enters the cleaning liquid container through the raw material supply pipe; controlling the pump to pump liquid in the first direction so that the cleaning liquid in the cleaning liquid container enters the beverage maker through the raw material supply pipe.

[0035] In a possible implementation manner of the third aspect of the present application, the beverage machine includes a first flow direction control unit; the raw material supply pipe includes a first raw material supply pipe and a second raw material supply pipe. The first flow direction control unit is connected to the beverage maker through the first raw material supply pipe, and the first flow direction control unit is connected to the raw material source through the second raw material supply pipe. The first flow direction control unit is also connected to the first waste discharge pipe; wherein, when the beverage making mode is executed, the first flow direction control unit is controlled to connect the first raw material supply pipe and the second raw material supply pipe and cut off the first waste discharge pipe, so that the raw materials in the raw material source enter the beverage maker through the second raw material supply pipe and the first raw material supply pipe in sequence; when the first cleaning mode is executed: the first flow direction control unit is controlled to connect the first raw material supply pipe and the first waste discharge pipe and cut off the second raw material supply pipe, so that the fluid in the beverage maker is discharged from the beverage machine through the first raw material supply pipe and the first waste discharge pipe in sequence. Description of the Drawings

[0036] Figure 1 Schematic diagram of pipeline connection of a beverage machine provided in some embodiments of the present application;

[0037] Figure 2 According to Figure 1 Schematic diagram of electrical control connection of the beverage machine shown;

[0038] Figure 3 Flow chart of the control method of the beverage machine provided in some embodiments of the present application;

[0039] Figure 4 Flow chart of the control method of the beverage machine provided in some other embodiments of the present application;

[0040] Figure 5 Flow chart of the control method of the beverage machine provided in still some other embodiments of the present application. Specific embodiments

[0041] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

[0042] In the present application, the accompanying drawings are not necessarily drawn to scale, and local features can be enlarged or reduced to more clearly show the details of the local features.

[0043] Unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those skilled in the technical field of the present application. The terms used in the present application are only for the purpose of describing specific embodiments and are not intended to limit the scope of the present application. The term "and / or" used in the present application includes any and all combinations of one or more of the related listed items. The singular forms of "a", "above-mentioned", and "the" used in the present application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0044] In the description of the present application, it should be understood that the terms "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", and "fourth" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0045] In the description of the present application, the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of simplifying the description of the present application, rather than indicating that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, that is, it cannot be understood as a limitation to the present application.

[0046] In the description of the present application, unless otherwise clearly defined, terms such as "installed", "connected", "linked", "fixed", "set", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can also be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0047] In the description of the present application, unless otherwise clearly defined, a first feature being "on", "above", "over", "upward", "below", "beneath", "under", or "downward" of a second feature can be that the first feature and the second feature are in direct contact, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being "above", "over", or "upward" of a second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than the horizontal height of the second feature. A first feature being "below", "beneath", or "downward" of a second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than the horizontal height of the second feature.

[0048] The beverage machine provided by the present application will be described in detail below.

[0049] The present application provides a beverage machine. The beverage machine includes, but is not limited to, a coffee machine and a milk tea machine.

[0050] Please refer to Figure 1 , according to the beverage machine 100 provided by the present application, it may have a beverage outlet A. The beverage made by the beverage machine 100 can be discharged from the beverage outlet A.

[0051] Please continue to refer to Figure 1 , according to the beverage machine 100 provided by the present application, it may include: a beverage maker 110, a first waste pipe 167, and a pump 181.

[0052] The beverage maker 110 can be used to make beverages, for example, the beverage can be cold / hot milk foam or cold / hot milk. Exemplarily, the beverage maker 110 can be a milk frother.

[0053] The beverage maker 110 has a raw material inlet 111 and a liquid outlet 113 .

[0054] The raw material inlet 111 is connected to the raw material source 121 through the raw material supply pipe 16A. The raw material source 121 may be a raw material box provided by the beverage machine 100, and the number of raw material boxes may be one or more. In other embodiments, the beverage machine 100 may not include a raw material box. In this case, the raw material source 121 may be a packaged barreled raw material or a bagged raw material purchased directly, and one end of the raw material supply pipe 16A may be externally placed on the beverage machine 100 to facilitate connection with the raw material source 121. Exemplarily, the raw material provided by the raw material source may be milk.

[0055] Please continue reading Figure 1 , the liquid outlet 113 can be connected to the beverage outlet A through the beverage supply pipe 166. In this way, after the beverage produced by the beverage maker 110 flows out of the liquid outlet 113, it can flow to the beverage outlet A through the beverage supply pipe 166. In other embodiments, the liquid outlet 113 can also be directly used as the beverage outlet A, in which case the beverage supply pipe 166 is not required.

[0056] The first row of waste pipes 167 is connected to the raw material supply pipe 16A.

[0057] The pump 181 is a bidirectional rotating pump. That is, the pump 181 can rotate forward or reverse. Thus, the pump 181 can pump liquid in a first direction or in a second direction, wherein the second direction is opposite to the first direction.

[0058] The pump 181 may be disposed on the raw material supply pipe 16A. In other embodiments, the pump 181 may also be disposed between the liquid outlet 113 and the beverage outlet A, for example, on the beverage supply pipe 166 described above.

[0059] When the pump 181 pumps liquid in the first direction, that is, the pump 181 rotates forward to extract raw materials from the raw material source 121 and make the raw materials flow to the beverage maker 110, the beverage making function of the beverage machine 100 can be realized. That is, in the beverage making function, the pump 181 pumping liquid in the first direction is used to extract raw materials from the raw material source 121 to the beverage maker 110.

[0060] When the pump 181 pumps liquid in the second direction, i.e., the pump 181 reverses, so that the fluid (e.g., waste liquid) flows from the beverage maker 110 to the first waste pipe 167 and is discharged from the beverage machine 100 through the first waste pipe 167, the reverse waste discharge function of the beverage machine 100 can be realized. That is to say, in the reverse waste discharge function, the pump 181 that pumps liquid in the second direction is used to extract the fluid from the beverage maker 110 to the first waste pipe 167, so as to facilitate the discharge of the fluid from the first waste pipe 167. In some embodiments of the present application, the beverage machine 100 may have a beverage making mode and a first cleaning mode. Among them, the beverage making mode may include a beverage making function. The first cleaning mode may include a reverse waste discharge function.

[0061] Specifically, in the beverage machine 100, after the beverage making mode is executed, the first cleaning mode can be executed, so as to use the reverse waste discharge function in the first cleaning mode to discharge the residual fluid in the beverage maker 110 and the raw material supply pipe 16A from the first waste pipe 167, thereby avoiding the residual fluid in the beverage maker 110 and the raw material supply pipe 16A, and also avoiding the influence of the fluid on the quality of the next cup of beverage, which is beneficial to reducing the cleaning times of the beverage maker 110 and the raw material supply pipe 16A to at least a certain extent and improving the working efficiency of the beverage machine 100. And, the reverse waste discharge function and the beverage making function reuse the pump 181, thereby simplifying the structure of the beverage machine 100 and reducing the cost of the beverage machine 100.

[0062] In some specific examples, please refer to Figure 2 , the beverage machine 100 may include a control unit C. The control unit C can execute the set control logic. In this way, the beverage machine can execute the first cleaning mode or the beverage making mode under the control of the control unit C.

[0063] In some embodiments of the present application, please continue to refer to Figure 1, the beverage machine 100 includes a first flow direction control unit 170. The raw material supply pipe 16A includes a first raw material supply pipe 161 and a second raw material supply pipe 162. The first flow direction control unit 170 is connected to the raw material inlet 111 of the beverage maker 110 through the first raw material supply pipe 161. The first flow direction control unit 170 is connected to the raw material source 121 through the second raw material supply pipe 162. The first flow direction control unit 170 is also connected to the first waste discharge pipe 167. The first flow direction control unit 170 can selectively connect the first raw material supply pipe 161 and the second raw material supply pipe 162 and cut off the first waste discharge pipe 167, or connect the first raw material supply pipe 161 and the first waste discharge pipe 167 and cut off the second raw material supply pipe 16A. That is to say, the first flow direction control unit 170 can select one of the second raw material supply pipe 162 and the first waste discharge pipe 167 to connect to the first raw material supply pipe 161, that is, the first raw material supply pipe 161 is connected to the first waste discharge pipe 167 or the second raw material supply pipe 162 through the first flow direction control unit 170.

[0064] In this way, when the first flow direction control unit 170 connects the first raw material supply pipe 161 and the second raw material supply pipe 162, cuts off the first waste discharge pipe 167, and the pump 181 pumps liquid in the first direction, the fluid flows from the first flow direction control unit 170 to the beverage maker 110. When the first flow direction control unit 170 connects the first raw material supply pipe 161 and the first waste discharge pipe 167, cuts off the second raw material supply pipe 162, and the pump 181 pumps liquid in the second direction, the fluid in the beverage maker 110 and the raw material supply pipe 16A flows from the beverage maker 110 to the first flow direction control unit 170, and then is discharged from the beverage machine 100 through the first waste discharge pipe 167.

[0065] In this embodiment, the first flow direction control unit 170 is provided, and the first flow direction control unit 170 is respectively connected to the first raw material supply pipe 161, the second raw material supply pipe 162 and the first waste discharge pipe 167. Since the first flow direction control unit 170 can selectively connect the first raw material supply pipe 161 and the second raw material supply pipe 162, or connect the first raw material supply pipe 161 and the first waste discharge pipe 167, it is convenient for the beverage machine 100 to switch between the reverse waste discharge function and the beverage making function.

[0066] In some specific examples, in the beverage making mode, the first flow direction control unit 170 connects the first raw material supply pipe 161 and the second raw material supply pipe 162. In this way, on the premise that the second raw material supply pipe 162 is connected to the raw material source 121, when the pump 181 pumps liquid in the first direction, the raw materials from the raw material source 121 can flow through the second raw material supply pipe 162, the first flow direction control unit 170 and the first raw material supply pipe 161 in sequence to the beverage maker 110, so as to facilitate the production of beverages in the beverage maker 110. In the reverse waste discharge function, the first flow direction control unit 170 connects the first raw material supply pipe 161 and the first waste discharge pipe 167. In this way, when the pump 181 pumps liquid in the second direction, it is convenient for the fluid in the beverage maker 110 and the raw material supply pipe 16A to flow from the beverage maker 110 to the first flow direction control unit 170, and then be discharged from the beverage machine 100 through the first waste discharge pipe 167. Exemplarily, the fluid in the beverage maker 110 can be discharged from the beverage machine 100 through the first raw material supply pipe 161, the first flow direction control unit 170 and the first waste discharge pipe 167 in sequence.

[0067] Exemplarily, the first flow direction control unit 170 is configured as a three-way electrically controlled valve. For example, the first flow direction control unit 170 is a three-way solenoid valve. In this way, by using the commutation of the three-way electrically controlled valve, the beverage machine 100 can be switched between the reverse waste discharge function and the beverage making function, which is convenient for control and has high accuracy.

[0068] Exemplarily, please refer to Figure 2 Figure, the first flow direction control unit 170 can be electrically connected to the above control unit C. The control unit C can control the commutation of the first flow direction control unit 170 according to the received instruction, so as to facilitate the beverage machine 100 to operate in the corresponding mode. In this way, it is beneficial to realize the timely commutation of the first flow direction control unit 170 and accurately control the first flow direction control unit 170.

[0069] In some embodiments of the present application, the pump 181 is arranged between the raw material inlet 111 of the beverage maker 110 and the first flow direction control unit 170. In this way, when the beverage machine 100 executes the reverse waste discharge function, it is beneficial to exclude the fluid in the raw material supply pipe 16A to the greatest extent, and the fluid in the raw material supply pipe 16A is excluded more cleanly.

[0070] It can be understood that along the flow direction of the raw materials into the beverage maker 110, the first flow direction control unit 170 is arranged upstream of the pump 181.

[0071] In some specific examples, please continue to refer to Figure 1The pump 181 is arranged on the first raw material supply pipe 161. In this way, the reused pump 181 can be conveniently used to realize the reverse waste discharge function and the beverage making function, and when the beverage machine 100 performs the reverse waste discharge function, it is conducive to discharge the fluid more cleanly.

[0072] In some embodiments of this application, please continue to refer to Figure 1 The beverage machine 100 may include a water supply source 140. The water supply source 140 may be used to supply water for making beverages in the beverage machine 100, or for cleaning the beverage machine 100, or for other functions of the beverage machine 100, such as dissolving a cleaning agent as described below.

[0073] The water supply source 140 may be a water tank provided by the beverage machine 100, or may be bottled water external to the beverage machine 100, or a tap water pipe, and this application does not impose any specific restrictions on this.

[0074] In some specific examples, when the beverage machine 100 uses the pump 181 that pumps liquid in the first direction to pump water from the water supply source 140 to the beverage maker 110, the cold water cleaning function of the beverage machine 100 can be realized. In other words, the beverage machine 100 has a cold water cleaning function that uses the pump 181 that pumps liquid in the first direction to pump water from the water supply source 140 to the beverage maker 110. In this way, under the cold water cleaning function, the cold water pumped from the water supply source 140 to the beverage maker 110 can be used to perform cold water cleaning on the beverage maker 110 and part of the raw material supply pipe 16A.

[0075] It can be understood that the cold water is water at room temperature in the water supply source 140, that is, water that has not been heated by a heating device.

[0076] Exemplarily, the first cleaning mode may include a cold water cleaning function. In this way, the first cleaning mode may include both the reverse waste discharge function and the cold water cleaning function. Thus, when the beverage machine 100 executes the first cleaning mode, the reverse waste discharge function may be used to discharge the fluid remaining in the beverage maker 110 and the raw material supply pipe 16A, and the cold water cleaning function may be used to clean the beverage maker 110 and the raw material supply pipe 16A, which is beneficial to improve the cleanliness of the beverage machine 100 in the first cleaning mode. In addition, the raw materials used by the beverage machine 100 to make beverages, such as milk, necessarily contain some protein components, and the protein easily leaves some protein lumps on the beverage maker 110 and the raw material supply pipe 16A. In the first cleaning mode, the cold water extracted in the cold water cleaning function is used to clean the beverage maker 110 and the raw material supply pipe 16A, which is more beneficial to flush out the above-mentioned lumps and improve the cleaning effect of the beverage machine 100.

[0077] For example, in the first cleaning mode, the cold water cleaning function and the reverse waste discharging function can be executed once or cyclically executed multiple times in this order. Also, in the first cleaning mode, they can also be executed once or cyclically executed multiple times in the order of the reverse waste discharging function, the cold water cleaning function, and the reverse waste discharging function. The present application does not make specific restrictions on this.

[0078] In some embodiments of the present application, the beverage machine 100 is configured to execute the first cleaning mode after each execution of the beverage making mode. That is to say, for each cup of beverage prepared by the beverage machine 100, the first cleaning mode will be executed. In this way, after each beverage is made, executing the first cleaning mode to clean the beverage maker 110 and the raw material supply pipe 16A can avoid the impact on the taste of the next-made beverage and the food safety of the beverage prepared by the beverage machine 100 due to the uncleanliness of the beverage maker 110 and the raw material supply pipe 16A, or the existence of the previous cup of beverage in the beverage maker 110 and the raw material supply pipe 16A, which is beneficial to ensuring the taste and food safety of the beverage prepared by the beverage machine 100.

[0079] In some embodiments of the present application, when the pump 181 pumps liquid in the second direction, the pump 181 is connected to the beverage outlet A to inhale air from the beverage outlet A. Specifically, in the reverse waste discharging function, the pump 181 is connected to the beverage outlet A to inhale air from the beverage outlet A. In this way, it is beneficial to completely discharge the fluid in the pipe structure between the beverage outlet A and the first waste discharge pipe 167 in the beverage machine 100 (that is, the above-mentioned beverage supply pipe 166, the liquid discharge pipe 165 below, the beverage maker 110, and the first raw material supply pipe 161), maximizing the avoidance of fluid residue, and there is no need to separately provide an air inlet for the pump 181, which is beneficial to simplifying the structure of the beverage machine 100.

[0080] In some embodiments of the present application, please continue to refer to Figure 1 , the beverage machine 100 includes a second waste discharge pipe 168. The second waste discharge pipe 168 is connected to the liquid outlet 113 of the beverage maker 110. The beverage machine 100 is configured to discharge the fluid discharged from the liquid outlet 113 through the second waste discharge pipe 168 in the cold water cleaning function of the first cleaning mode. In this way, the fluid can be discharged through the second waste discharge pipe 168, avoiding the problem of fluid flowing into the beverage cup due to the beverage cup used to hold the beverage not being taken away in time after the beverage making mode is executed, which is beneficial to improving the reliability of beverage preparation.

[0081] In some other embodiments of the present application, when the pump 181 pumps liquid in the second direction, the pump 181 is connected to the second waste pipe 168 to suck air from the second waste pipe 168. For example, in the reverse waste function, the pump 181 is connected to the second waste pipe 168 to suck air from the second waste pipe 168. In this way, there is no need to provide a separate air inlet for the pump 181, which is beneficial to simplifying the structure of the beverage machine 100.

[0082] Among them, the fluid discharged through the first waste pipe 167 and the second waste pipe 168 can be understood as waste liquid, and the waste liquid is discharged through the first waste pipe 167 or the second waste pipe 168 without entering the beverage cup.

[0083] In some embodiments of the present application, please continue to refer to Figure 1 , the beverage machine 100 includes a heating device 16321 for heating water. The heating device 16321 includes but is not limited to an electric heater. Exemplarily, the heating device 16321 can be a hot water boiler.

[0084] In some specific examples, when the beverage machine 100 uses the pump 181 that pumps liquid in the first direction to extract the heated water from the heating device 16321 to the beverage maker 110, the hot water cleaning function of the beverage machine 100 can be realized. That is to say, the beverage machine 100 has the hot water cleaning function of using the pump 181 that pumps liquid in the first direction to extract the heated water from the heating device 16321 to the beverage maker 110. In this way, in the hot water cleaning function, the hot water extracted from the heating device 16321 to the beverage maker 110 can be used to clean the beverage maker 110 and the raw material supply pipe 16A, which is beneficial to improving the cleaning effect of the beverage maker 110.

[0085] Exemplarily, the beverage machine 100 further includes a second cleaning mode. The second cleaning mode includes both a cold water cleaning function and a hot water cleaning function. In this way, in the second cleaning mode, the cold water extracted in the cold water cleaning function can be used to clean the beverage maker 110 and the raw material supply pipe 16A, and the hot water extracted in the hot water cleaning function can be used to clean the beverage maker 110 and the raw material supply pipe 16A. Thus, the beverage maker 110 and the raw material supply pipe 16A are cleaned with water at different temperatures, which can not only improve the cleaning effect but also facilitate the sterilization of the beverage maker 110 and the raw material supply pipe 16A.

[0086] Among them, in the second cleaning mode, it can be executed once or cycled multiple times in the order of the cold water cleaning function and the hot water cleaning function, or it can be executed once or cycled multiple times in the order of the hot water cleaning function and the cold water cleaning function. The present application does not make specific limitations on this.

[0087] Exemplarily, when the beverage machine 100 includes a control unit C, the beverage machine 100 can execute a first cleaning mode, a beverage making mode, or a second cleaning mode under the control of the control unit C according to the actual situation.

[0088] In some embodiments of the present application, please continue to refer to Figure 1 , the beverage machine 100 further includes a steam generator 130. The steam generator 130 can be used to generate steam. The steam generator 130 can be used to provide steam for beverage making of the beverage machine 100. For example, the steam is used as a heating source to heat raw materials in the beverage maker 110. The steam generator 130 can also be used to provide steam for cleaning the beverage machine 100, or the steam generator 130 is used to provide steam for the realization of other functions of the beverage machine 100. The steam generator 130 has a steam outlet 131. The steam generated by the steam generator 130 can be discharged from the steam generator 130 through the steam outlet 131. The steam generator 130 includes, but is not limited to, a steam boiler and a steam electric hot plate.

[0089] In some specific examples, when the beverage machine 100 uses a pump 181 that pumps liquid in the first direction to extract steam from the steam generator 130 to the beverage maker 110, it can be used to realize the steam cleaning function of the beverage machine 100. That is to say, the beverage machine 100 has a steam cleaning function of using a pump 181 that pumps liquid in the first direction to extract steam from the steam generator 130 to the beverage maker 110.

[0090] On this basis, exemplarily, the second cleaning mode includes a steam cleaning function. In this way, in the second cleaning mode, the cold water extracted in the cold water cleaning function can be used to clean the beverage maker 110 and the raw material supply pipe 16A with cold water, and the hot water extracted in the hot water cleaning function can be used to clean the beverage maker 110 and the raw material supply pipe 16A with hot water. The steam extracted in the steam cleaning function can also be used to clean the beverage maker 110 and the raw material supply pipe 16A with steam, so as to clean the beverage maker 110 and the raw material supply pipe 16A with water and steam at different temperatures. This can not only improve the cleaning effect, but also help to sterilize and disinfect the beverage maker 110 and the raw material supply pipe 16A, thereby ensuring the taste and hygiene of the beverage.

[0091] Among them, in the second cleaning mode, it can be executed once or cyclically multiple times in the order of the cold water cleaning function, the hot water cleaning function, and the steam cleaning function, or it can be executed once or cyclically multiple times in the order of the hot water cleaning function, the cold water cleaning function, and the steam cleaning function, or it can be executed once or cyclically multiple times in the order of the hot water cleaning function, the steam cleaning function, and the cold water cleaning function, or it can be executed once or cyclically multiple times in the order of the steam cleaning function, the hot water cleaning function, and the cold water cleaning function, or it can be executed once or cyclically multiple times in the order of the steam cleaning function, the cold water cleaning function, and the hot water cleaning function, or, it can also be executed once or cyclically multiple times in the order of the cold water cleaning function, the steam cleaning function, and the hot water cleaning function. The present application does not make specific restrictions on this.

[0092] In some embodiments of the present application, the execution frequency of the second cleaning mode is less than that of the first cleaning mode. Specifically, since the second cleaning mode at least includes the cold water cleaning function and the hot water cleaning function, therefore, the cleaning duration of the beverage machine 100 in the second cleaning mode is relatively long. By making the execution frequency of the second cleaning mode less than that of the first cleaning mode, in this way, it is beneficial to improve the working efficiency of the beverage machine 100.

[0093] Exemplarily, after the beverage machine 100 executes the beverage making mode a first preset number of times, the second cleaning mode is executed. For example, the first preset number of times is 10 times, 50 times, 80 times, 100 times, 150 times, or 200 times.

[0094] Exemplarily, after the beverage machine 100 executes the beverage making mode for a first preset duration, the second cleaning mode is executed. For example, the first preset duration is 5 hours, 8 hours, 20 hours, 24 hours, 40 hours, 48 hours, 72 hours, 80 hours, 85 hours, or 96 hours.

[0095] In some embodiments of the present application, the beverage machine 100 is configured such that in the second cleaning mode, all the fluids discharged from the liquid outlet 113 are discharged from the beverage outlet A. In this way, in the second cleaning mode, the pipeline structure (that is, the above-mentioned beverage outlet A, the beverage supply pipe 166, the liquid outlet pipe 165 hereinafter, the beverage maker 110, the first raw material supply pipe 161) between the beverage outlet A and the first flow control unit 170 of the beverage machine 100 can be thoroughly cleaned, and the beverage machine 100 can be cleaned more thoroughly. Of course, in some other embodiments, when the beverage machine 100 includes the second waste pipe 168, the beverage machine 100 can also be configured such that in the second cleaning mode, all the fluids discharged from the liquid outlet 113 are discharged from the second waste pipe 168.

[0096] In some embodiments of the present application, please continue to refer to Figure 1, the beverage machine 100 further includes a second flow direction control unit 190. The second flow direction control unit 190 is connected to the liquid outlet 113 of the beverage maker 110 through a liquid outlet pipe 165. The second flow direction control unit 190 is connected to the above-mentioned second waste pipe 168. The second flow direction control unit 190 is connected to the beverage outlet A through a beverage supply pipe 166. The second flow direction control unit 190 can selectively connect the liquid outlet pipe 165 and the beverage supply pipe 166, and cut off the second waste pipe 168; or, connect the liquid outlet pipe 165 and the second waste pipe 168, and cut off the beverage supply pipe 166.

[0097] In this embodiment, the second flow direction control unit 190 is provided, and the second flow direction control unit 190 is respectively connected to the liquid outlet pipe 165, the beverage supply pipe 166 and the second waste pipe 168, so as to facilitate the use of the flow direction control function of the second flow direction control unit 190 to realize the conduction between the liquid outlet pipe 165 and the beverage supply pipe 166, or to realize the conduction between the liquid outlet pipe 165 and the second waste pipe 168, so as to facilitate the realization of the corresponding functions of the beverage machine 100.

[0098] Specifically, in the beverage making mode, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the beverage supply pipe 166, and cuts off the second waste pipe 168. In this way, the beverage flowing out of the liquid outlet 113 of the beverage maker 110 can sequentially pass through the liquid outlet pipe 165, the second flow direction control unit 190 and the beverage supply pipe 166, and finally flow out from the beverage outlet A, so as to facilitate the production of beverages.

[0099] Specifically, in the reverse waste discharge function, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the beverage supply pipe 166, and cuts off the second waste pipe 168, so as to facilitate the pump 181 to suck air from the beverage outlet A when pumping liquid in the second direction. Of course, the present application is not limited to this. In some other embodiments, in the reverse waste discharge function, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the second waste pipe 168, and cuts off the beverage supply pipe 166, so as to facilitate the pump 181 to suck air from the second waste pipe 168 when pumping liquid in the second direction.

[0100] Specifically, in the cold water cleaning function of the first cleaning mode, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the second waste pipe 168, and cuts off the beverage supply pipe 166, so as to facilitate the fluid to be discharged from the second waste pipe 168 out of the beverage machine 100.

[0101] Specifically, in the second cleaning mode, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the beverage supply pipe 166, and blocks the second waste pipe 168. In this way, in the second cleaning mode, after the fluid for cleaning the beverage maker 110 and the raw material supply pipe 16A flows out from the liquid outlet 113, it finally flows out from the beverage outlet A, realizing thorough cleaning of the pipeline structure between the beverage outlet A and the first flow direction control unit 170 of the beverage machine 100 (that is, the above-mentioned beverage outlet A, beverage supply pipe 166, liquid outlet pipe 165, beverage maker 110, and first raw material supply pipe 161), etc., and the beverage machine 100 can be cleaned more thoroughly. Of course, the present application is not limited to this. In some other embodiments, in the second cleaning mode, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the second waste pipe 168, and blocks the beverage supply pipe 166, so as to facilitate the discharge of the fluid from the second waste pipe 168.

[0102] Exemplarily, please refer to Figure 2 , the second flow direction control unit 190 can be electrically connected to the above-mentioned control unit C. The control unit C can control the second flow direction control unit 190 to change the direction according to the received instruction. In this way, it is beneficial to the timely commutation of the second flow direction control unit 190 and realize the accurate control of the second flow direction control unit 190.

[0103] In some specific examples, please continue to refer to Figure 1 , there are multiple beverage outlets A. Among them, multiple means two or more, for example, three, four or five.

[0104] There are multiple beverage supply pipes 166. The multiple beverage supply pipes 166 are arranged in one-to-one correspondence with the multiple beverage outlets A. The second flow direction control unit 190 is connected to the multiple beverage outlets A in one-to-one correspondence through the multiple beverage supply pipes 166. The second flow direction control unit 190 can selectively connect the liquid outlet pipe 165 and one beverage supply pipe 166, and block the second waste pipe 168 and the remaining beverage supply pipes 166; or, the second flow direction control unit 190 can selectively connect the liquid outlet pipe 165 and the second waste pipe 168, and block each beverage supply pipe 166. For the convenience of description, in the beverage production mode, among the multiple beverage supply pipes 166, the beverage supply pipe 166 connected to the liquid outlet pipe 165 is defined as the target beverage supply pipe.

[0105] Specifically, in the beverage production mode, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the target beverage supply pipe, and blocks the second waste pipe 168 and the remaining beverage supply pipes 166 respectively. In this way, after the beverage prepared by the beverage machine 100 flows out from the beverage maker 110, it can pass through the liquid outlet pipe 165 and the target beverage supply pipe, and be discharged from the beverage outlet A corresponding to the target beverage supply pipe.

[0106] In the reverse waste discharge function of the first cleaning mode, when the pump 181 sucks air from the beverage outlet A, the second flow direction control unit 190 connects the liquid outlet pipe 165 and the target beverage supply pipe 166, and blocks the second waste discharge pipe 168 and the remaining beverage supply pipes 166 respectively.

[0107] In this embodiment, the arrangement of different beverage supply pipes 166 can be used for different beverages to flow out. Thus, different beverages can flow out through multiple beverage supply pipes 166 respectively, preventing the problem of beverage mixing.

[0108] It should be noted that different beverage outlets A are used for different beverages to flow out. Here, different beverages can be the differences in the corresponding raw materials. As long as the compositions of the raw materials are different, they are considered different raw materials.

[0109] Exemplarily, in the second cleaning mode, the second flow direction control unit 190 connects each beverage supply pipe 166 to the liquid outlet pipe 165 in sequence, and blocks the second waste discharge pipe 168 and the remaining beverage supply pipes 166 during this process. In this way, each beverage supply pipe 166 can be cleaned in the second cleaning mode, which is beneficial to cleaning the beverage machine 100 more thoroughly and improving the cleaning reliability of the beverage machine 100.

[0110] Exemplarily, in the second cleaning mode, the second flow direction control unit 190 connects the liquid outlet pipe 165 to the target beverage supply pipe used in the beverage making mode, and blocks the second waste discharge pipe 168 and the remaining beverage supply pipes 166 respectively. In this way, only the target beverage supply pipe used in the beverage making mode before cleaning can be cleaned in the second cleaning mode, while the remaining beverage supply pipes 166 are not cleaned temporarily to improve the cleaning efficiency of the second cleaning mode.

[0111] Exemplarily, please continue to refer to Figure 1, there are two beverage outlets A, namely the first beverage outlet A1 and the second beverage outlet A2. Correspondingly, there are two beverage supply pipes 166, namely the first beverage supply pipe 1661 and the second beverage supply pipe 1662. The first beverage supply pipe 1661 is connected to the first beverage outlet A1. The second beverage supply pipe 1662 is connected to the second beverage outlet A2. The second flow control unit 190 includes a first three-way electrically controlled valve 191 and a second three-way electrically controlled valve 192. The first three-way electrically controlled valve 191 is respectively connected to the liquid outlet pipe 165 and the first beverage supply pipe 1661. The first three-way electrically controlled valve 191 is connected to the second three-way electrically controlled valve 192 through an intermediate pipe 169. The second three-way electrically controlled valve 192 is respectively connected to the second waste discharge pipe 168 and the second beverage supply pipe 1662. The first three-way electrically controlled valve 191 can selectively connect the liquid outlet pipe 165 and the first beverage supply pipe 1661, and cut off the intermediate pipe 169, or connect the liquid outlet pipe 165 and the intermediate pipe 169, and cut off the first beverage supply pipe 1661. The second three-way electrically controlled valve 192 can selectively connect the intermediate pipe 169 and the second waste discharge pipe 168, and cut off the second beverage supply pipe 1662, or connect the intermediate pipe 169 and the second beverage supply pipe 1662, and cut off the second waste discharge pipe 168.

[0112] In this way, when the first three-way electrically controlled valve 191 connects the liquid outlet pipe 165 and the first beverage supply pipe 1661, the first three-way electrically controlled valve 191 and the intermediate pipe 169 are cut off, so that both the liquid outlet pipe 165 and the second beverage supply pipe 1662 and the liquid outlet pipe 165 and the second waste discharge pipe 168 are in a cut-off state.

[0113] When the first three-way electrically controlled valve 191 connects the liquid outlet pipe 165 and the intermediate pipe 169, and the second three-way electrically controlled valve 192 connects the intermediate pipe 169 and the second beverage supply pipe 1662, the liquid outlet pipe 165 and the second beverage supply pipe 1662 are connected.

[0114] When the first three-way electrically controlled valve 191 connects the liquid outlet pipe 165 and the intermediate pipe 169, and the second three-way electrically controlled valve 192 connects the intermediate pipe 169 and the second waste discharge pipe 168, the liquid outlet pipe 165 and the second waste discharge pipe 168 are connected.

[0115] In this way, by using the flow control function of the first three-way electrically controlled valve 191 and the second three-way electrically controlled valve 192, the second flow control unit 190 can selectively connect the liquid outlet pipe 165 and a beverage supply pipe 166, or connect the liquid outlet pipe 165 and the second waste discharge pipe 168. The structure is simple, easy to install, low in cost, easy to control, and high in accuracy.

[0116] In some embodiments of the present application, please continue to refer to Figure 1, the beverage machine 100 may further include a cleaning liquid container 122. The cleaning liquid container 122 is used to hold the cleaning liquid. The cleaning liquid may be formed by mixing a solid cleaning agent and a solvent in the cleaning liquid container 122, or may be formed by mixing a liquid concentrated cleaning agent and a solvent in the cleaning liquid container 122, or may be fed into the cleaning liquid container 122 after the cleaning agent and the solvent are fully mixed and dissolved outside the beverage machine 100. Among them, in the scheme of mixing the cleaning agent and the solvent in the cleaning liquid container 122, the cleaning agent may be manually put in, or may be put in by using the cleaning agent putting device equipped with the beverage machine 100 itself.

[0117] The raw material supply pipe 16A (for example, the second raw material supply pipe 162 mentioned above) is selectively communicated with the cleaning liquid container 122, or communicated with the raw material source 121.

[0118] It can be understood that the raw material supply pipe 16A is selectively communicated with the cleaning liquid container 122, or communicated with the raw material source 121. It may be that the user manually connects the raw material supply pipe 16A to the cleaning liquid container 122, or the user manually connects the raw material supply pipe 16A to the raw material source 121. That is, the communication between the raw material supply pipe 16A and the cleaning liquid container 122 or the raw material source 121 is realized by the user manually switching. Of course, an electric control reversing valve may also be provided between the raw material supply pipe 16A, the raw material source 121 and the cleaning liquid container 122, and the communication between the raw material supply pipe 16A and the cleaning liquid container 122 or the raw material source 121 is realized by the reversing of the electric control reversing valve. The present application does not make specific restrictions on this.

[0119] When the raw material supply pipe 16A is communicated with the cleaning liquid container 122, and the beverage machine 100 uses the pump 181 that pumps liquid in the first direction to extract the cleaning liquid from the cleaning liquid container 122 to the beverage maker 110, it can be used to realize the cleaning function of the cleaning liquid. That is to say, the beverage machine 100 has a cleaning function of the cleaning liquid that uses the pump 181 that pumps liquid in the first direction to extract the cleaning liquid from the cleaning liquid container 122 to the beverage maker 110.

[0120] On this basis, specifically, the beverage machine 100 may have a third cleaning mode. The third cleaning mode includes the cleaning function of the cleaning liquid. In this way, the cleaning liquid in the cleaning liquid container 122 can be used to clean the beverage maker 110 and the raw material supply pipe 16A, and the cleaning is more thorough and clean.

[0121] Exemplarily, when the beverage machine 100 includes the control unit C, the beverage machine 100 may execute the first cleaning mode, the beverage making mode, the second cleaning mode or the third cleaning mode under the control of the control unit C according to the actual situation.

[0122] Exemplarily, the beverage machine 100 is configured such that in the cleaning liquid cleaning function of the third cleaning mode, all the fluid discharged from the liquid outlet 113 is discharged from the beverage outlet A. In this way, in the third cleaning mode, the pipeline structure between the beverage outlet A and the first waste pipe 167 of the beverage machine 100 (that is, the above-mentioned beverage outlet A, beverage supply pipe 166, liquid outlet pipe 165, beverage maker 110, first raw material supply pipe 161), etc. can be thoroughly cleaned, and the beverage machine 100 can be cleaned more thoroughly. On this basis, for example, the above-mentioned second flow direction control unit 190 connects the liquid outlet pipe 165 and the beverage supply pipe 166 and blocks the second waste pipe 168. Of course, in some other embodiments, when the beverage machine 100 includes the second waste pipe 168, the beverage machine 100 is configured such that in the third cleaning mode, all the fluid discharged from the liquid outlet 113 is discharged from the second waste pipe 168.

[0123] In some embodiments of the present application, the cleaning liquid is formed by mixing a cleaning agent and a solvent in the cleaning liquid container 122. Based on this, in order to dissolve the cleaning agent, in some embodiments, the beverage machine 100 includes a driving pump 182. The beverage machine 100 can use the driving pump 182 to draw water from the water supply source 140 into the cleaning liquid container 122 to facilitate the solvent extraction function, so as to dissolve the cleaning agent with the solvent. That is to say, the beverage machine 100 includes a solvent extraction function of using the driving pump 182 to draw water into the cleaning liquid container 122.

[0124] On this basis, exemplarily, the third cleaning mode further includes the above-mentioned solvent extraction function to facilitate the preparation of the cleaning liquid. Specifically, in the third cleaning mode, the beverage machine 100 can first execute the solvent extraction function to send the solvent into the cleaning liquid container 122 for the preparation of the cleaning liquid. Among them, the addition of the cleaning agent in the cleaning liquid container 122 can be before the solvent extraction function or during the execution of the solvent extraction function. After the cleaning liquid is prepared, the beverage machine 100 continues to execute the cleaning liquid cleaning function of the third cleaning mode to clean the beverage maker 110 and the raw material supply pipe 16A.

[0125] Exemplarily, after cleaning the pipeline with the cleaning liquid, in order to prevent the cleaning liquid from remaining in the pipeline and ensure the drinking reliability of the beverages prepared by the beverage machine 100, in the third cleaning mode, the solvent extraction function and the cleaning liquid cleaning function are sequentially and repeatedly executed multiple times. Specifically, in the third cleaning mode, the solvent extraction function is first executed to send the solvent into the cleaning liquid container 122 to prepare the cleaning liquid. After the cleaning liquid is prepared, the beverage machine 100 continues to execute the cleaning liquid cleaning function to clean the beverage maker 110. After cleaning the pipeline with the cleaning liquid, in the third cleaning mode, the solvent extraction function and the cleaning liquid cleaning function are sequentially executed one or more times again. At this time, no cleaning agent needs to be put into the cleaning liquid container 122. The solvent extraction function transports the solvent to the cleaning liquid container 122, and then the cleaning liquid cleaning function extracts the solvent in the cleaning liquid container 122 to rinse the cleaning liquid remaining in the pipeline.

[0126] Exemplarily, the execution frequency of the third cleaning mode is less than that of the second cleaning mode. Specifically, since the cleaning liquid often contains a cleaning agent, after cleaning the beverage machine 100 with the cleaning liquid, it is necessary to rinse the cleaning liquid with water to prevent the cleaning liquid from remaining. Therefore, the cleaning duration of the third cleaning mode is relatively long. In this embodiment, the execution frequency of the third cleaning mode is less than that of the second cleaning mode, which is beneficial to improving the working efficiency of the beverage machine 100.

[0127] Exemplarily, after the beverage machine 100 executes the beverage making mode for the second preset number of times, the third cleaning mode is executed. For example, the second preset number of times is 15 times, 55 times, 85 times, 105 times, 155 times, 205 times, or 250 times.

[0128] Exemplarily, after the beverage machine 100 executes the beverage making mode for the second preset duration, the third cleaning mode is executed. For example, the second preset duration is 10 hours, 30 hours, 24 hours, 48 hours, 72 hours, 96 hours, 120 hours, 144 hours, 168 hours, or 192 hours.

[0129] In some embodiments of the present application, please continue to refer to Figure 1 , the second raw material supply pipe 162 includes a first pipe section 1621 and a second pipe section 1622. The first pipe section 1621 is connected to the first flow direction control unit 170. The second pipe section 1622 is connected to the raw material source 121.

[0130] The beverage machine 100 further includes a third flow direction control unit 150. The third flow direction control unit 150 is disposed between the first pipe section 1621 and the second pipe section 1622. The third flow direction control unit 150 is connected to the water supply source 140 through the water flushing pipe 163. The third flow direction control unit 150 is connected to the steam generator 130 through the steam washing pipe 1641.

[0131] The third flow direction control unit 150 is configured to allow the first pipe section 1621 to be connected to the water flushing pipe 163; and the third flow direction control unit 150 selectively connects the first pipe section 1621 and the second pipe section 1622, and cuts off the steam washing pipe 1641, or connects the first pipe section 1621 and the steam washing pipe 1641, and cuts off the second pipe section 1622. That is to say, the third flow direction control unit 150 is configured to allow the first pipe section 1621 to be connected to one of the steam washing pipe 1641 and the second pipe section 1622 respectively, and cut off the other of the steam washing pipe 1641 and the second pipe section 1622, and can also be configured to allow the first pipe section 1621 to remain connected to the water flushing pipe 163.

[0132] Specifically, in the beverage making mode, the first flow direction control unit 170 connects the first raw material supply pipe 161 and the first pipe section 1621, and cuts off the first waste discharge pipe 167. The third flow direction control unit 150 connects the first pipe section 1621 and the second pipe section 1622. In this way, it is convenient to make beverages.

[0133] Exemplarily, in the cold water cleaning function, the first flow direction control unit 170 connects the first raw material supply pipe 161 and the first pipe section 1621, and cuts off the first waste discharge pipe 167. The third flow direction control unit 150 connects the first pipe section 1621 and the water flushing pipe 163. In this way, it is convenient for the water from the water supply source 140 to sequentially pass through the water flushing pipe 163, the first pipe section 1621 and the first raw material supply pipe 161 and enter the beverage maker 110, so as to clean the first pipe section 1621, the first raw material supply pipe 161 and the beverage maker 110 with cold water.

[0134] Exemplarily, in the steam cleaning function, the first flow direction control unit 170 connects the first raw material supply pipe 161 and the first pipe section 1621, and cuts off the first waste discharge pipe 167. The third flow direction control unit 150 connects the first pipe section 1621 and the steam washing pipe 1641. In this way, it is convenient for the steam from the steam generator 130 to sequentially pass through the steam washing pipe 1641, the first pipe section 1621 and the first raw material supply pipe 161 and enter the beverage maker 110, so as to clean the first pipe section 1621, the first raw material supply pipe 161 and the beverage maker 110 with steam.

[0135] Exemplarily, the heating device 16321 is arranged on the water flushing pipe 163. In this way, under the hot water cleaning function, the first flow direction regulating unit 170 connects the first raw material supply pipe 161 and the first pipe section 1621, and cuts off the first waste discharge pipe 167. The third flow direction regulating unit 150 connects the first pipe section 1621 and the water flushing pipe 163. In this way, it is convenient for the hot water from the heating device 16321 to sequentially pass through the water flushing pipe 163, the first pipe section 1621, and the first raw material supply pipe 161 and enter the beverage maker 110, so as to clean the first pipe section 1621, the first raw material supply pipe 161, and the beverage maker 110 with hot water.

[0136] Exemplarily, under the solvent extraction function, the first flow direction regulating unit 170 connects the first raw material supply pipe 161 and the first waste discharge pipe 167, and cuts off the first pipe section 1621. The third flow direction regulating unit 150 connects the first pipe section 1621 and the second pipe section 1622. The second pipe section 1622 is communicated with the cleaning liquid container 122. Since the first pipe section 1621 is connected to the water flushing pipe 163, the water flushing pipe 163 is connected to the second pipe section 1622. Thus, it is convenient for the water from the water supply source 140 to flow through the water flushing pipe 163 and then to the second pipe section 1622, so as to supply solvent to the cleaning liquid container 122 for the preparation of the cleaning liquid.

[0137] Exemplarily, under the cleaning liquid cleaning function, the first flow direction regulating unit 170 connects the first raw material supply pipe 161 and the first pipe section 1621, and cuts off the first waste discharge pipe 167. The third flow direction regulating unit 150 connects the first pipe section 1621 and the second pipe section 1622. Thus, it is convenient for the cleaning liquid in the cleaning liquid container 122 to sequentially pass through the second pipe section 1622, the first pipe section 1621, and the first raw material supply pipe 161 and enter the beverage maker 110, so as to clean the second pipe section 1622, the first pipe section 1621, the first raw material supply pipe 161, and the beverage maker 110 with the cleaning liquid. Among them, the solvent extraction function and the cleaning liquid cleaning function can be cyclically executed multiple times in sequence, so as to achieve thorough cleaning of the pipeline of the beverage machine 100.

[0138] Through the above description, it can be found that in this embodiment, the setting of the third flow direction regulating unit 150 can realize the reuse of the first pipe section 1621 and the first raw material supply pipe 161 in the beverage making function, the cold water cleaning function, the hot water cleaning function, the steam cleaning function, and the cleaning liquid cleaning function, which can simplify the connection between pipelines, improve the assembly efficiency, and has a simple structure.

[0139] Exemplarily, please refer to Figure 2, the third flow direction control unit 150 can be electrically connected to the above control unit C. The control unit C can control the third flow direction control unit 150 to change its direction according to the received instruction. In this way, it is beneficial to the timely direction change of the third flow direction control unit 150 and enables accurate control of the third flow direction control unit 150.

[0140] Exemplarily, please continue to refer to Figure 1 and Figure 2 , the third flow direction control unit 150 includes a three-way part 151 and a third three-way electric control valve 152. The three-way part 151 is connected to the third three-way electric control valve 152. The three-way part 151 is respectively connected to the first pipe section 1621 and the water flushing pipe 163. The third three-way electric control valve 152 is respectively connected to the second pipe section 1622 and the steam washing pipe 1641. The third three-way electric control valve 152 can selectively connect the three-way part 151 and the steam washing pipe 1641 and cut off the second pipe section 1622, or connect the three-way part 151 and the second pipe section 1622 and cut off the steam washing pipe 1641.

[0141] Specifically, when the third three-way electric control valve 152 connects the three-way part 151 and the second pipe section 1622 and cuts off the steam washing pipe 1641, the second pipe section 1622 is connected to the first pipe section 1621, and the steam washing pipe 1641 is cut off from the first pipe section 1621. When the third three-way electric control valve 152 connects the three-way part 151 and the steam washing pipe 1641 and cuts off the second pipe section 1622 from the three-way part 151, the steam washing pipe 1641 is connected to the first pipe section 1621, and the second pipe section 1622 is cut off from the first pipe section 1621.

[0142] In this embodiment, the structure of the three-way part 151 is simple, which is convenient for processing and manufacturing. The structure of the third three-way electric control valve 152 is simple, with low cost and easy to control. Therefore, by making the third flow direction control unit 150 include the three-way part 151 and the third three-way electric control valve 152, the structure is simple, easy to control, and both the design cost and the processing and manufacturing cost are relatively low.

[0143] In other embodiments, the third flow direction control unit 150 can also be a four-way electric control valve.

[0144] Exemplarily, the three-way part 151 can be a three-way pipe, and the third three-way electric control valve 152 can be a three-way electromagnetic reversing valve.

[0145] In some embodiments of the present application, please continue to refer to Figure 1, the water flushing pipe 163 includes a main pipe 1633, a first water supply branch pipe 1631, and a second water supply branch pipe 1632. The main pipe 1633 is connected to the tee 151. The first water supply branch pipe 1631 and the second water supply branch pipe 1632 are arranged in parallel between the water supply source 140 and the main pipe 1633. First electric control valves 16311 are respectively provided on the first water supply branch pipe 1631 and the second water supply branch pipe 1632. A heating device 16321 is provided on the second water supply branch pipe 1632. A second electric control valve 16411 is provided on the steam washing pipe 1641.

[0146] Exemplarily, in the beverage making mode, the first electric control valve 16311 is closed, the three-way electric control valve 152 connects the tee 151 and the second pipe section 1622, and the steam washing pipe 1641 is cut off. At this time, the second electric control valve 16411 can be open or closed. Considering the reliability of the beverage machine 100 in preparing beverages, preferably, the second electric control valve 16411 is closed.

[0147] Exemplarily, in the steam cleaning function, the second electric control valve 16411 is open, the first electric control valves 16311 respectively provided on the first water supply branch pipe 1631 and the second water supply branch pipe 1632 are both closed, and the three-way electric control valve 152 connects the tee 151 and the steam washing pipe 1641.

[0148] Exemplarily, in the cold water cleaning function, the first electric control valve 16311 on the first water supply branch pipe 1631 is open, the first electric control valve 16311 on the second water supply branch pipe 1632 is closed, and at the same time the second electric control valve 16411 is closed. The three-way electric control valve 152 connects the tee 151 and the steam washing pipe 1641, and cuts off the second pipe section 1622.

[0149] Exemplarily, in the hot water cleaning function, the first electric control valve 16311 on the first water supply branch pipe 1631 is closed, the first electric control valve 16311 on the second water supply branch pipe 1632 is open, and at the same time the second electric control valve 16411 is closed. The three-way electric control valve 152 connects the tee 151 and the steam washing pipe 1641, and cuts off the second pipe section 1622. In this way, the main pipe 1633 of the water flushing pipe 163 is a multiplexed pipeline for cold water delivery and hot water delivery, the pipeline connection is simple and compact, and the cost of the beverage machine 100 can be reduced.

[0150] Exemplarily, in the solvent extraction function, the first electrically controlled valve 16311 on the first water supply branch 1631 is opened, and the first electrically controlled valve 16311 on the second water supply branch 1632 is closed. The third three-way electrically controlled valve 152 connects the three-way piece 151 and the second pipe section 1622, and cuts off the steam washing pipe 1641. It can be understood that in other embodiments, the solvent extraction function can not only extract cold water from the water supply source 140, but also extract hot water from the heating device 16321 to the cleaning liquid container 122. When the hot water from the heating device 16321 is extracted and sent to the cleaning liquid container 122, the first electrically controlled valve 16311 on the first water supply branch 1631 is closed, and the first electrically controlled valve 16311 on the second water supply branch 1632 is opened.

[0151] In this embodiment, by providing the first electrically controlled valve 16311 and the second electrically controlled valve 16411, it is convenient to realize that the water from the water supply source 140, the steam from the steam generator 130130, and the raw material from the raw material source 121 enter the first pipe section 1621 respectively, and will not enter other pipelines, which is conducive to improving the reliability of the beverage machine 100. In addition, there is no need to provide a pipeline for conveying the solvent into the cleaning liquid container 122 between the cleaning liquid container 122 and the water supply source 140, and the pipeline connection is more convenient and compact, which can reduce costs.

[0152] Exemplarily, the driving pump 182 may be disposed upstream of the water flushing pipe 163. For example, the driving pump 182 may be disposed between the water flushing pipe 163 and the water supply source 140. Thus, the driving pump 182 is convenient for pumping water from the water supply source 140 into the cleaning liquid container 122.

[0153] For example, the first electrically controlled valve 16311 may be a two-position, two-way solenoid valve, which is sensitive to the response and low in cost.

[0154] For example, the second electrically controlled valve 16411 may be a two-position, two-way solenoid valve, which is responsive and low in cost.

[0155] Exemplarily, the first electrically controlled valve 16311 and the second electrically controlled valve 16411 may be electrically connected to the control unit C. The control unit C may control the opening and closing of the first electrically controlled valve 16311 and the second electrically controlled valve 16411 according to the received instructions. This is conducive to achieving accurate control of the first electrically controlled valve 16311 and the second electrically controlled valve 16411.

[0156] In some embodiments of this application, please continue to refer to Figure 1, the beverage machine 100 further includes a steam supply pipe 1642. The steam outlet 131 of the steam generator 130 is connected to the steam inlet 112 of the beverage maker 110 through the steam supply pipe 1642. A third electrically controlled valve 16421 is provided on the steam supply pipe 1642 to control the on / off of the steam supply pipe 1642. Specifically, the beverage making modes include a hot milk making mode and a cold milk making mode. In the hot milk making mode, the third electrically controlled valve 16421 is opened, so that the steam provided by the steam generator 130 can be used to heat the milk in the beverage maker 110, thereby realizing the production of hot milk. In the cold milk making mode, there is no need to heat the milk in the beverage maker 110, and at this time the third electrically controlled valve 16421 is closed.

[0157] In this embodiment, by providing the steam supply pipe 1642 and the third electrically controlled valve 16421, and using the third electrically controlled valve 16421 to control the on / off of the steam supply pipe 1642, it is possible to select to control the third electrically controlled valve 16421 to open or close according to the actual needs of the user, so as to realize heating or not heating the milk to meet the actual use requirements of the user.

[0158] Exemplarily, the third electrically controlled valve 16421 is a solenoid valve. Thus, it has high sensitivity and low cost. Exemplarily, please refer to Figure 2 , the third electrically controlled valve 16421 can be electrically connected to the above-mentioned control unit C. The control unit C can control the opening and closing of the third electrically controlled valve 16421 according to the received instruction. In this way, it is beneficial to realize the accurate control of the third electrically controlled valve 16421.

[0159] In some embodiments of the present application, the beverage machine 100 further includes an air supply pipe 160 and a fourth electrically controlled valve 1601. The air supply pipe 160 is connected to the beverage maker 110. The fourth electrically controlled valve 1601 is provided on the air supply pipe 160 to control the on / off of the air supply pipe 160. Specifically, the beverage making modes further include a hot milk foam making mode and a cold milk foam making mode.

[0160] In the hot milk foam making mode, both the third electrically controlled valve 16421 and the fourth electrically controlled valve 1601 are opened. In this way, on the one hand, the air supply pipe 160 can be used to supply air to the beverage maker 110 to facilitate making milk into milk foam, and on the other hand, the steam supply pipe 1642 can be used to supply steam to the beverage maker 110 to facilitate heating the milk foam, thereby making hot milk foam.

[0161] In the cold milk foam making mode, there is no need to heat the milk foam, so the third electrically controlled valve 16421 can be closed. At the same time, the fourth electrically controlled valve 1601 is opened, and the air supply pipe 160 is used to supply air to the beverage maker 110 to facilitate making milk into milk foam, thereby making cold milk foam.

[0162] In the cold milk production mode and the hot milk production mode, the fourth electrically controlled valve 1601 is closed. In this way, air can be prevented from entering the beverage maker 110, which may affect the quality of the milk.

[0163] Exemplarily, the fourth electrically controlled valve 1601 is a solenoid valve. Thus, it has high sensitivity and low cost.

[0164] Exemplarily, please refer to Figure 2 , the fourth electrically controlled valve 1601 can be electrically connected to the above-mentioned control unit C. The control unit C can control the opening and closing of the fourth electrically controlled valve 1601 according to the received instruction. In this way, it is beneficial to accurately control the fourth electrically controlled valve 1601.

[0165] In some embodiments of the present application, in order to facilitate the storage of milk, the beverage machine 100 may include a refrigerator (not shown in the figure). When the beverage machine 100 includes a raw material box, the refrigerator can be used to accommodate the above-mentioned raw material box. In this way, it is beneficial to realize the refrigeration of the raw materials by the beverage machine 100 and extend the fresh-keeping period of the raw materials.

[0166] In other embodiments, the beverage machine 100 may not be provided with a refrigerator, and the raw material box can be refrigerated by a refrigerator independent of the beverage machine 100, or the raw material box may not be refrigerated.

[0167] In some embodiments of the present application, please continue to refer to Figure 1 , the beverage machine 100 includes a waste liquid tray B. The waste liquid tray B can be used to receive the fluid from the first waste pipe 167 and / or the second waste pipe 168. For example, the lower ends of the first waste pipe 167 and the second waste pipe 168 can be located directly above the waste liquid tray B.

[0168] On this basis, exemplarily, the waste liquid tray B is located directly below the beverage outlet A. In this way, when the beverage cup used to receive the beverage is too small and the beverage overflows from the beverage cup, the overflowed beverage can be received by the waste liquid tray B, thus facilitating the cleaning of the overflowed beverage.

[0169] Next, the control method of the beverage machine 100 provided by the present application will be described in detail.

[0170] Please refer to Figure 3 , the present application provides a control method for a beverage machine 100. The control method specifically includes the following steps:

[0171] S110: Execute the beverage production mode: Control the pump 181 to pump liquid in the first direction, so that the raw materials in the raw material source 121 enter the beverage maker 110 through the raw material supply pipe 16A;

[0172] S210: Execute the first cleaning mode: Control the pump 181 to pump liquid in the second direction, so that the fluid in the beverage maker 110 is discharged from the beverage machine 100 through the raw material supply pipe 16A and the first waste discharge pipe 167 in sequence.

[0173] According to the control method of the beverage machine 100 in the embodiments of the present application, after the beverage making mode is executed, the first cleaning mode can be executed, so as to use the reverse waste discharge function in the first cleaning mode to discharge the residual fluid in the beverage maker 110 and the raw material supply pipe 16A from the first waste discharge pipe 167, thereby avoiding the residual fluid in the beverage maker 110 and the raw material supply pipe 16A, which is beneficial to reducing the cleaning times of the beverage maker 110 and the raw material supply pipe 16A to at least a certain extent and improving the working efficiency of the beverage machine 100. Moreover, the reverse waste discharge function and the beverage making function share the pump 181, thereby simplifying the structure of the beverage machine 100 and reducing the cost of the beverage machine 100.

[0174] In some embodiments of the present application, please refer to Figure 4 , the specific steps for step S210 to execute the first cleaning mode include:

[0175] S211: Control the pump 181 to pump liquid in the first direction, so that the water in the water supply source 140 enters the beverage maker 110 through the raw material supply pipe 16A;

[0176] S212: Control the pump 181 to pump liquid in the second direction, so that the fluid in the beverage maker 110 is discharged from the beverage machine 100 through the raw material supply pipe 16A and the first waste discharge pipe 167 in sequence.

[0177] Specifically, there are inevitably some protein components in the raw materials used by the beverage machine 100 to make beverages, such as milk. Proteins are likely to leave some protein lumps on the beverage maker 110 and the raw material supply pipe 16A. In the first cleaning mode, before controlling the pump 181 to pump liquid in the second direction so that the fluid in the beverage maker 110 is discharged from the beverage machine 100 through the raw material supply pipe 16A and the first waste discharge pipe 167 in sequence, control the pump 181 to pump liquid in the first direction to draw the water from the water supply source 140, and then rinse the beverage maker 110 and the raw material supply pipe 16A, which is more beneficial to rinsing off the above-mentioned lumps and improving the cleaning effect of the beverage machine 100.

[0178] In some embodiments of the present application, after each execution of the beverage making mode, a first cleaning mode is executed. In this way, after each beverage is made, executing the first cleaning mode to clean the beverage maker 110 and the raw material supply pipe 16A can avoid the influence on the taste of the next-made beverage and the food safety of the beverage prepared by the beverage machine 100 due to the uncleanliness of the beverage maker 110 and the raw material supply pipe 16A, or the remaining beverage in the previous cup in the beverage maker 110 and the raw material supply pipe 16A, which is beneficial to ensuring the taste and food safety of the beverage prepared by the beverage machine 100.

[0179] In some embodiments of the present application, please refer to Figure 5 , after the first preset number of times of executing the beverage making mode, or after the beverage machine 100 works for the first preset duration, the control method of the beverage machine 100 further includes:

[0180] S220: Execute the second cleaning mode;

[0181] The second cleaning mode may specifically include the following steps: First, control the pump 181 to pump liquid in the first direction, so that the water in the water supply source 140 enters the beverage maker 110 through the raw material supply pipe 16A to realize the cold water cleaning function; then, control the pump 181 to pump liquid in the first direction, so that the water in the heating device 16321 enters the beverage maker 110 through the raw material supply pipe 16A to realize the hot water cleaning function; finally, control the pump 181 to pump liquid in the first direction, so that the steam in the steam generator 130 enters the beverage maker 110 through the raw material supply pipe 16A to realize the steam cleaning function.

[0182] Specifically, in the raw materials for preparing beverages, there will inevitably be some oil components. Although the first cleaning mode can clean the beverage maker 110 and the raw material supply pipe 16A to a certain extent, after the beverage machine 100 is used for a long time or after making multiple cups of beverages, the oil components are difficult to be cleaned completely. Based on this, in this embodiment, after the first preset number of times of executing the beverage making mode, or after the beverage machine 100 works for the first preset duration, the second cleaning mode is executed, and in the second cleaning mode, the cold water extracted in the cold water cleaning function can be used to clean the beverage maker 110 and the raw material supply pipe 16A, the hot water extracted in the hot water cleaning function can also be used to clean the beverage maker 110 and the raw material supply pipe 16A, and the steam in the steam generator 130 can also be used to clean the raw material supply pipe 16A and the beverage maker 110. Thus, the beverage maker 110 and the raw material supply pipe 16A are cleaned with water / steam at different temperatures, which can not only improve the cleaning effect, but also be beneficial to realizing the sterilization effect on the beverage maker 110 and the raw material supply pipe 16A.

[0183] Exemplarily, the execution frequency of the second cleaning mode is less than that of the first cleaning mode. In this way, it is beneficial to improve the working efficiency of the beverage machine 100.

[0184] Exemplarily, the first preset number of times is 10, 50, 80, 100, 150 or 200 times.

[0185] Exemplarily, the first preset duration is 5 hours, 8 hours, 20 hours, 24 hours, 40 hours, 48 hours, 72 hours, 80 hours, 85 hours or 96 hours.

[0186] In some embodiments of the present application, please continue to refer to Figure 5 , after the second preset number of times of the beverage making mode is executed, or, after the beverage machine 100 works for the second preset duration, the control method of the beverage machine 100 further includes:

[0187] S230: Execute the third cleaning mode;

[0188] The third cleaning mode may specifically include the following steps: First, control the driving pump 182 to pump liquid, so that the water in the water supply source 140 enters the cleaning liquid container 122 through the raw material supply pipe 16A to implement the solvent extraction function; then, control the pump 181 to pump liquid in the first direction, and the cleaning liquid in the cleaning liquid container 122 enters the beverage maker 110 through the raw material supply pipe 16A to implement the cleaning liquid cleaning function.

[0189] As described above, specifically, in the raw materials for preparing beverages, there will inevitably be some oil-based components. In this embodiment, after the second preset number of times of the beverage making mode is executed, or, after the beverage machine 100 works for the second preset duration, the third cleaning mode is executed. During the execution of the third cleaning mode, first, the water in the water supply source 140 is used to dissolve the cleaning agent in the cleaning liquid container 122 to prepare the cleaning liquid, and then the cleaning liquid in the cleaning liquid container 122 is used to clean the raw material supply pipe 16A and the beverage maker 110. The cleaning solution can dissolve the oil in the pipeline, so as to clean the raw material supply pipe 16A and the beverage maker 110 more thoroughly.

[0190] In the third cleaning mode, the solvent extraction function and the cleaning liquid cleaning function are cyclically executed multiple times in sequence. Specifically, in the third cleaning mode, the solvent extraction function is first executed to supply solvent into the cleaning liquid container 122 to prepare the cleaning liquid. After the preparation of the cleaning liquid is completed, the beverage machine 100 continues to execute the cleaning liquid cleaning function to clean the beverage maker 110 and the raw material supply pipe 16A. After cleaning the pipeline with the cleaning liquid, in order to prevent the cleaning liquid from remaining in the pipeline and ensure the drinking reliability of the beverages prepared by the beverage machine 100, in the third cleaning mode, the solvent extraction function and the cleaning liquid cleaning function are executed one or more times in sequence again. At this time, no cleaning agent needs to be put into the cleaning liquid container 122, and the cleaning liquid cleaning function extracts the solvent delivered by the solvent extraction function to the cleaning liquid container 122 to rinse the cleaning liquid remaining in the pipeline.

[0191] Exemplarily, the execution frequency of the third cleaning mode is less than that of the second cleaning mode. In this way, it is beneficial to improve the working efficiency of the beverage machine 100.

[0192] Exemplarily, the second preset number of times is 15 times, 55 times, 85 times, 105 times, 155 times, 205 times, or 250 times.

[0193] Exemplarily, the second preset duration is 10 hours, 30 hours, 24 hours, 48 hours, 72 hours, 96 hours, 120 hours, 144 hours, 168 hours, or 192 hours.

[0194] In some embodiments of the present application, on the premise that the beverage machine 100 includes the above-mentioned first flow direction control unit 170 and the raw material supply pipe 16A includes the first raw material supply pipe 161 and the second raw material supply pipe 162, when executing the beverage making mode, the first flow direction control unit 170 is controlled to connect the first raw material supply pipe 161 and the second raw material supply pipe 162, and the first waste discharge pipe 167 is cut off, so that the raw materials in the raw material source 121 enter the beverage maker 110 through the second raw material supply pipe 162 and the first raw material supply pipe 161 in sequence. When executing the first cleaning mode: the first flow direction control unit 170 is controlled to connect the first raw material supply pipe 161 and the first waste discharge pipe 167, and the second raw material supply pipe 162 is cut off, so that the fluid in the beverage maker 110 is discharged from the beverage machine 100 through the first raw material supply pipe 161 and the first waste discharge pipe 167 in sequence.

[0195] In this embodiment, by controlling the first flow direction control unit 170, the first raw material supply pipe 161 can be selectively connected to the second raw material supply pipe 162, or the first raw material supply pipe 161 can be connected to the first waste discharge pipe 167, so that it is convenient for the beverage machine 100 to switch between the beverage making mode and the first cleaning mode.

[0196] It can be understood that in various embodiments of the present application, the magnitudes of the sequence numbers of the various processes do not imply the order of execution, and the order of execution of the various processes should be determined by their functions and internal logics, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0197] It can be understood that the various implementation manners described in the present application can be implemented separately or in combination, and the embodiments of the present application do not limit this.

[0198] Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method implementation manners, and will not be elaborated herein.

Claims

1. A beverage machine, characterized in that, Comprising: A beverage maker, a first flow direction control unit, a first waste discharge pipe, and a pump; The first flow direction control unit is connected to the raw material inlet of the beverage maker through a first raw material supply pipe, the first flow direction control unit is connected to a raw material source through a second raw material supply pipe, and the first flow direction control unit is also connected to the first waste discharge pipe; The first flow direction control unit can selectively connect the first raw material supply pipe and the second raw material supply pipe, and cut off the first waste discharge pipe, or the first flow direction control unit can selectively connect the first raw material supply pipe and the first waste discharge pipe, and cut off the second raw material supply pipe; The pump pumps liquid in a first direction, and when the first flow direction control unit connects the first raw material supply pipe and the second raw material supply pipe, the fluid flows from the first flow direction control unit to the beverage maker; The pump pumps liquid in a second direction, and when the first flow direction control unit connects the first raw material supply pipe and the first waste discharge pipe, the fluid flows from the beverage maker to the first flow direction control unit, and then is discharged from the beverage machine through the first waste discharge pipe; Wherein, the first direction is different from the second direction.

2. The beverage machine according to claim 1, characterized in that, The beverage machine satisfies at least one of the following characteristics: The first flow direction control unit is configured as a three-way solenoid valve; The pump is arranged on the first raw material supply pipe between the beverage maker and the first flow direction control unit; The liquid outlet of the beverage maker is connected to a beverage outlet through a beverage supply pipe. When the pump pumps liquid in the second direction, the pump is connected to the beverage outlet to suck air from the beverage outlet.

3. The beverage machine according to claim 1, characterized in that, The beverage machine further includes a second flow direction control unit and a second waste discharge pipe. The second flow direction control unit is connected to the liquid outlet of the beverage maker through a liquid discharge pipe. The second flow direction control unit is connected to the second waste discharge pipe. The second flow direction control unit is connected to the beverage outlet through the beverage supply pipe; The second flow direction control unit can selectively connect the liquid discharge pipe and the beverage supply pipe, and cut off the second waste discharge pipe; Or connect the liquid discharge pipe and the second waste discharge pipe, and cut off the beverage supply pipe; When the pump pumps liquid in the second direction, the second flow direction control unit connects the liquid discharge pipe and the second waste discharge pipe to suck air from the second waste discharge pipe.

4. The beverage machine according to any one of claims 1-3, characterized in that, The beverage machine further includes a third flow direction control unit, a steam generator, and a water supply source; The second raw material supply pipe includes a first pipe section and a second pipe section. The first pipe section is connected to the first flow direction control unit, the second pipe section is connected to the raw material source, and the third flow direction control unit is arranged between the first pipe section and the second pipe section; The third flow direction control unit is connected to the water supply source through a water flushing pipe; The third flow direction control unit is connected to the steam generator through a steam washing pipe; The third flow direction control unit is configured to allow the first pipe section to be connected to the water flushing pipe; The third flow direction regulating unit selectively connects the first pipe section and the second pipe section, and cuts off the steam cleaning pipe. Alternatively, the third flow direction regulating unit selectively connects the first pipe section and the steam cleaning pipe, and cuts off the second pipe section.

5. The beverage machine according to claim 4, wherein The third flow direction regulating unit includes a three-way fitting and a third three-way electric control valve. The three-way fitting is connected to the third three-way electric control valve. The three-way fitting is respectively connected to the first pipe section and the water flushing pipe. The third three-way electric control valve is respectively connected to the second pipe section and the steam cleaning pipe. The third three-way electric control valve selectively connects the three-way fitting and the second pipe section, and cuts off the steam cleaning pipe, or connects the three-way fitting and the steam cleaning pipe, and cuts off the second pipe section.

6. A beverage machine, characterized in that, Comprising: A beverage maker, a first waste discharge pipe, and a pump; The raw material inlet of the beverage maker is connected to a raw material source through a raw material supply pipe; The first waste discharge pipe is connected to the raw material supply pipe; The beverage machine has a beverage making mode, and the beverage making mode includes a beverage making function of pumping raw materials from the raw material source to the beverage maker by using the pump that pumps liquid in the first direction; The beverage machine has a first cleaning mode, and the first cleaning mode includes a reverse waste discharge function of pumping fluid from the beverage maker to the first waste discharge pipe by using the pump that pumps liquid in the second direction; Wherein, the first direction is different from the second direction.

7. The beverage machine according to claim 6, characterized in that, The beverage machine includes a water supply source; the beverage machine has a cold water cleaning function of pumping water from the water supply source to the beverage maker by using the pump that pumps liquid in the first direction; the first cleaning mode includes the cold water cleaning function.

8. The beverage machine according to claim 7, characterized in that, The beverage machine further includes a second waste discharge pipe, and the second waste discharge pipe is connected to the liquid outlet of the beverage maker; Wherein, the beverage machine is configured to discharge the fluid discharged from the liquid outlet from the second waste discharge pipe in the cold water cleaning function of the first cleaning mode; and / or, in the reverse waste discharge function, the pump is connected to the second waste discharge pipe to suck air from the second waste discharge pipe.

9. The beverage machine according to claim 6, wherein The beverage machine is configured to execute the first cleaning mode after each execution of the beverage making mode; and / or, The liquid outlet of the beverage maker is connected to a beverage outlet through a beverage supply pipe. In the reverse waste discharge function, the pump is connected to the beverage outlet to suck air from the beverage outlet.

10. The beverage machine according to claim 6, characterized in that, The beverage machine includes a water supply source and a heating device for heating water; The beverage machine has a cold water cleaning function of pumping water from the water supply source to the beverage maker by using the pump that pumps liquid in the first direction; the beverage machine further has a hot water cleaning function of pumping heated water from the heating device to the beverage maker by using the pump that pumps liquid in the first direction; The beverage machine further includes a second cleaning mode, and the second cleaning mode includes the cold water cleaning function and the hot water cleaning function.

11. The beverage machine according to claim 10, characterized in that, The beverage machine further includes a steam generator; the second cleaning mode further includes a steam cleaning function of pumping steam from the steam generator to the beverage maker by using the pump that pumps liquid in the first direction; and / or, The execution frequency of the second cleaning mode is less than that of the first cleaning mode; and / or, The liquid outlet of the beverage maker is connected to the beverage outlet through a beverage supply pipe, and the beverage machine is configured such that in the second cleaning mode, all the fluid discharged from the liquid outlet is discharged from the beverage outlet.

12. The beverage machine according to any one of claims 6-11, characterized in that, The raw material supply pipe is selectively communicable with a cleaning liquid container or with the raw material source. The beverage machine has a third cleaning mode, and the third cleaning mode includes a cleaning liquid cleaning function of pumping cleaning liquid from the cleaning liquid container to the beverage maker using the pump that pumps liquid in the first direction; Further, the cleaning liquid is formed by mixing a cleaning agent and a solvent in the cleaning liquid container. The beverage machine includes a driving pump and a water supply source, and the driving pump is used to pump water from the water supply source to the cleaning liquid container; the third cleaning mode further includes a solvent extraction function of using the driving pump to pump water to the cleaning liquid container; Further, the beverage machine is configured such that in the third cleaning mode, the solvent extraction function and the cleaning liquid cleaning function are sequentially and cyclically executed multiple times.

13. The beverage machine according to any one of claims 6-11, characterized in that, The beverage machine includes a first flow direction control unit; The raw material supply pipe includes a first raw material supply pipe and a second raw material supply pipe. The first flow direction control unit is connected to the beverage maker through the first raw material supply pipe, the first flow direction control unit is connected to the raw material source through the second raw material supply pipe, and the first flow direction control unit is further connected to the first waste discharge pipe. The first flow direction control unit selectively connects the first raw material supply pipe and the second raw material supply pipe and blocks the first waste discharge pipe, or connects the first raw material supply pipe and the first waste discharge pipe and blocks the second raw material supply pipe; Wherein, in the beverage making mode, the first flow direction control unit connects the first raw material supply pipe and the second raw material supply pipe; In the reverse waste discharge function, the first flow direction control unit connects the first raw material supply pipe and the first waste discharge pipe.

14. The beverage machine according to claim 13, wherein, The beverage machine includes a third flow direction control unit, a water supply source, and a steam generator; The second raw material supply pipe includes a first pipe section and a second pipe section. The first pipe section is connected to the first flow direction control unit, the second pipe section is connected to the raw material source, and the third flow direction control unit is provided between the first pipe section and the second pipe section; The third flow direction control unit is connected to the water supply source through a water flushing pipe; The third flow direction control unit is connected to the steam generator through a steam washing pipe; The third flow direction control unit is configured to allow the first pipe section to be connected to the water flushing pipe; and the third flow direction control unit selectively connects the first pipe section and the second pipe section and blocks the steam washing pipe, or connects the first pipe section and the steam washing pipe and blocks the second pipe section; Wherein, in the beverage making mode, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the second pipe section.

15. The beverage machine according to claim 14, wherein, The beverage machine satisfies at least one of the following characteristics: The beverage machine has a cold water cleaning function of using the pump that pumps liquid in the first direction to draw water from the water supply source to the beverage maker. Under the cold water cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the water flushing pipe; The beverage machine has a steam cleaning function of using the pump that pumps liquid in the first direction to draw steam from the steam generator to the beverage maker. Under the steam cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the steam flushing pipe; A heating device is provided on the water flushing pipe. The beverage machine has a hot water cleaning function of using the pump that pumps liquid in the first direction to draw heated water from the heating device to the beverage maker. Under the hot water cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the water flushing pipe; The second pipe section is selectively connected to the cleaning liquid container or the raw material source. The cleaning liquid container is used to hold the cleaning liquid. The beverage machine has a cleaning liquid cleaning function of using the pump that pumps liquid in the first direction to draw the cleaning liquid from the cleaning liquid container to the beverage maker. Under the cleaning liquid cleaning function, the first flow direction control unit connects the first raw material supply pipe and the first pipe section, and the third flow direction control unit connects the first pipe section and the second pipe section; The cleaning liquid is formed by mixing a cleaning agent and a solvent in the cleaning liquid container. The beverage machine includes a driving pump. The beverage machine has a solvent extraction function of using the driving pump to draw water from the water supply source to the cleaning liquid container. Under the solvent extraction function, the first flow direction control unit connects the first raw material supply pipe and the first waste discharge pipe, the third flow direction control unit connects the water flushing pipe and the second pipe section, and the second pipe section is connected to the cleaning liquid container. The solvent extraction function and the cleaning liquid cleaning function are sequentially executed in cycles multiple times.

16. The beverage machine according to any one of claims 6-11, characterized in that, The beverage machine further includes a second flow direction control unit and a second waste discharge pipe; The second flow direction control unit is connected to the liquid outlet of the beverage maker through a liquid discharge pipe, the second flow direction control unit is connected to the second waste discharge pipe, and the second flow direction control unit is connected to the beverage outlet through a beverage supply pipe; the second flow direction control unit can selectively connect the liquid discharge pipe and the beverage supply pipe and block the second waste discharge pipe; or connect the liquid discharge pipe and the second waste discharge pipe and block the beverage supply pipe; In the beverage making mode, the second flow direction control unit connects the liquid discharge pipe and the beverage supply pipe and blocks the second waste discharge pipe; In the reverse waste discharging function, the second flow direction regulating unit connects the liquid outlet pipe and the beverage supply pipe, and blocks the second waste discharging pipe to suck air from the beverage outlet. Alternatively, in the reverse waste discharging function, the second flow direction regulating unit connects the liquid outlet pipe and the second waste discharging pipe, and blocks the beverage supply pipe to suck air from the second waste discharging pipe.

17. The beverage machine according to any one of claims 6-11, characterized in that, The beverage machine further includes a steam generator, a steam supply pipe and a third electric control valve. The steam generator is connected to the beverage maker through the steam supply pipe. The third electric control valve is arranged on the steam supply pipe to control the on / off of the steam supply pipe. The beverage making mode includes a cold milk making mode and a hot milk making mode. In the cold milk making mode, the third electric control valve is closed. In the hot milk making mode, the third electric control valve is open.

18. The beverage machine according to claim 17, characterized in that, The beverage machine further includes an air supply pipe and a fourth electric control valve. The air supply pipe is connected to the beverage maker. The fourth electric control valve is arranged on the air supply pipe to control the on / off of the air supply pipe. In the cold milk making mode and the hot milk making mode, the fourth electric control valve is closed. The beverage making mode further includes a hot milk foam making mode and a cold milk foam making mode. In the hot milk foam making mode, both the third electric control valve and the fourth electric control valve are open. In the cold milk foam making mode, the fourth electric control valve is open and the third electric control valve is closed.

19. A control method for a beverage machine, characterized in that, The beverage machine includes a beverage maker, a first waste discharging pipe and a pump. The raw material inlet of the beverage maker is connected to the raw material source through a raw material supply pipe. The first waste discharging pipe is connected to the raw material supply pipe. The method includes: Executing a beverage making mode: controlling the pump to pump liquid in a first direction so that the raw material in the raw material source enters the beverage maker through the raw material supply pipe. Executing a first cleaning mode: controlling the pump to pump liquid in a second direction so that the fluid in the beverage maker is discharged from the beverage machine through the raw material supply pipe and the first waste discharging pipe in sequence.

20. The control method of the beverage machine according to claim 19, wherein: The beverage machine further includes a water supply source. Before controlling the pump to pump liquid in the second direction so that the fluid in the beverage maker is discharged from the beverage machine through the raw material supply pipe and the first waste discharging pipe in sequence, the method further includes: controlling the pump to pump liquid in the first direction so that the water in the water supply source enters the beverage maker through the raw material supply pipe; and / or, After each execution of the beverage making mode, the first cleaning mode is executed; and / or, The beverage machine includes a heating device, a steam generator, and a water supply source; after the beverage production mode is executed for a first preset number of times, or after the beverage machine has been operating for a first preset duration, the method further includes executing a second cleaning mode: controlling the pump to pump liquid in the first direction so that the water in the water supply source enters the beverage maker through the raw material supply pipe; controlling the pump to pump liquid in the first direction so that the water in the heating device enters the beverage maker through the raw material supply pipe; finally, controlling the pump to pump liquid in the first direction so that the steam in the steam generator enters the beverage maker through the raw material supply pipe; and / or, The beverage machine further includes a driving pump and a water supply source, and the raw material supply pipe is selectively connected to a cleaning liquid container or to the raw material source, and the cleaning liquid container is used to contain a mixture of a cleaning agent and a solvent; after the beverage production mode is executed for a second preset number of times, or after the beverage machine has been operating for a second preset duration, the method further includes executing a third cleaning mode: controlling the driving pump to pump liquid so that the water in the water supply source enters the cleaning liquid container through the raw material supply pipe; controlling the pump to pump liquid in the first direction so that the cleaning liquid in the cleaning liquid container enters the beverage maker through the raw material supply pipe.

21. The control method of the beverage machine according to claim 19 or 20, characterized in that, The beverage machine includes a first flow direction control unit; the raw material supply pipe includes a first raw material supply pipe and a second raw material supply pipe, the first flow direction control unit is connected to the beverage maker through the first raw material supply pipe, the first flow direction control unit is connected to the raw material source through the second raw material supply pipe, and the first flow direction control unit is further connected to the first waste discharge pipe; Wherein, when executing the beverage production mode, controlling the first flow direction control unit to connect the first raw material supply pipe and the second raw material supply pipe and block the first waste discharge pipe so that the raw materials in the raw material source enter the beverage maker in sequence through the second raw material supply pipe and the first raw material supply pipe; When executing the first cleaning mode: controlling the first flow direction control unit to connect the first raw material supply pipe and the first waste discharge pipe and block the second raw material supply pipe so that the fluid in the beverage maker is discharged from the beverage machine in sequence through the first raw material supply pipe and the first waste discharge pipe.

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