CN110840257A

CN110840257A - Beverage machine and beverage brewing method

Info

Publication number: CN110840257A
Application number: CN201810950069.9A
Authority: CN
Inventors: 朱国军
Original assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd; Guangdong Midea Life Electric Manufacturing Co Ltd
Priority date: 2018-08-20
Filing date: 2018-08-20
Publication date: 2020-02-28

Abstract

The invention discloses a beverage machine and a beverage brewing method, wherein the beverage machine is provided with a liquid chamber (10), a brewing chamber (40), a heating chamber (20) capable of heating liquid and a pressure chamber (30) capable of pressurizing liquid; wherein the liquid chamber (10), the heating chamber (20), the pressure chamber (30) and the brewing chamber (40) form a circulation water path in which liquid in the liquid chamber (10) can enter the heating chamber (20), liquid in the heating chamber (20) enters the pressure chamber (30) after heating, liquid in the pressure chamber (30) enters the brewing chamber (40) after pressurization, and liquid in the brewing chamber (40) reenters the liquid chamber (10). The beverage machine and the beverage brewing method provided by the invention overcome the defect that the beverage is made by adding hot water and applying pressure by self in the prior art.

Description

Beverage machine and beverage brewing method

Technical Field

The invention relates to the technical field of beverage brewing, in particular to a beverage machine and a beverage brewing method.

Background

Generally, machines for making drinks in the market are large in size, the using environment is in a home or office scene, and outdoor scenes cannot be met.

Portable beverage machines of smaller size are marketed in order to meet the needs of outdoor enthusiasts, but currently, most products do not have a heating function and a beverage brewing capability, in particular beverages requiring brewing under pressure, and require the addition of hot water by themselves, operating for example by applying pressure via a pump to generate high pressure water to brew the beverage. Therefore, the current portable beverage machines have limitations and cannot meet the requirement of making beverages under the condition of lacking conditions of users.

Disclosure of Invention

The invention aims to solve the problems that the portable beverage machine in the prior art cannot heat, needs to add hot water by itself and needs to be manually pressurized to brew the beverage.

In order to achieve the above object, the present invention provides, in one aspect, a beverage machine formed with a liquid chamber, a brewing chamber, a heating chamber capable of heating liquid, and a pressure chamber capable of pressurizing liquid, the liquid chamber having a volume greater than or equal to the volume of the brewing chamber;

wherein the liquid chamber, the heating chamber, the pressure chamber and the brewing chamber form a circulating water path through which liquid in the liquid chamber can enter the heating chamber, liquid in the heating chamber enters the pressure chamber after heating, liquid in the pressure chamber enters the brewing chamber after pressurization, and liquid in the brewing chamber reenters the liquid chamber.

Preferably, the volume V1 of the heating chamber is: 5ml < V1 < 20ml, the heating power P for heating the heating chamber is: p is more than 50W and less than 300W.

Preferably, a first passage is arranged between the liquid chamber and the heating chamber, a first one-way valve is arranged on the first passage, and liquid in the liquid chamber can enter the heating chamber by opening the first one-way valve.

Preferably, the first one-way valve is arranged to close the first passage under the urging of moisture formed upon heating of the liquid in the heating chamber.

Preferably, a second passage is arranged between the pressure chamber and the heating chamber, and the liquid in the heating chamber enters the pressure chamber along the second passage under the pressure of the steam formed by heating.

Preferably, the volume V2 of the second passage is: 2ml < V1 < 4 ml; and/or the presence of a gas in the gas,

the length L of the second passage is more than 80mm and less than 150 mm.

Preferably, a third passage is provided between the pressure chamber and the brewing chamber, a second one-way valve being provided on the third passage, the second one-way valve being arranged to be able to open the third passage under the effect of the pressure in the pressure chamber.

Preferably, the beverage machine comprises:

a cup forming the liquid chamber and having a water outlet for communicating with the heating chamber;

the cup cover is covered on the upper opening of the cup body, and the supercharging device with the pressure chamber is arranged on the inner side of the cup cover facing the cup body;

a brewing cup forming the brewing chamber and located between the pressure chamber and the cup body, the brewing cup having a water inlet communicable with the pressure chamber and a water outlet communicable with the liquid chamber;

the boiler forms the heating chamber, the boiler is located the below of cup, the boiler have with the entry of liquid chamber intercommunication and with the export of pressure chamber intercommunication.

Preferably, the inlet of the boiler is connected with a first pipeline, the first pipeline is used for being communicated with the water outlet of the cup body, the outlet of the boiler is connected with a second pipeline, and the second pipeline is used for being communicated with the pressure chamber; and/or the presence of a gas in the gas,

the heating part comprises a heating pipe arranged on one side of the boiler, which is far away from the cup body, or a heating coil wound on the boiler; and/or the presence of a gas in the gas,

the upper part and the lower part in the brewing chamber are respectively provided with a bayonet for puncturing the beverage capsule placed in the brewing chamber; and/or the presence of a gas in the gas,

the beverage machine further comprises a housing including an outer lid covering the cup lid and a main housing having an upper opening, the main housing containing the cup body, the boiler and the heating element.

Preferably, the cup body comprises a cup body with a liquid chamber, a boss is formed at the bottom of the cup body, and the boss is provided with the water outlet.

Preferably, a recess portion recessed into the cup body is formed on an outer side of a bottom of the cup body, and the boss is formed on an inner side of the recess portion.

Preferably, the outer side of the bottom of the cup body protrudes around the water outlet at the recessed portion to form a first pipe joint.

Preferably, a filter screen is arranged on the water outlet; and/or the presence of a gas in the gas,

preferably, the outer side of the upper part of the cup body is circumferentially provided with an external thread in an extending manner for being in threaded connection with the cup cover;

and/or a sealing groove for accommodating a sealing ring is arranged on the outer side of the upper part of the cup body in a circumferential extending manner.

Preferably, the upper part of the cup body is further provided with a second pipe joint for connecting one pipeline and a third pipe joint communicated with the second pipe joint for connecting another pipeline.

Preferably, the second pipe joint is provided with an upwardly facing recessed hole to be able to accommodate a joint of a connected pipe, and the third pipe joint is provided to project downwardly to be able to be inserted into the connected pipe.

According to another aspect of the present invention, there is also provided a method of brewing a beverage, the method comprising:

injecting a liquid into the liquid chamber;

the liquid in the liquid chamber enters a heating chamber to be heated;

the heated liquid in the heating chamber enters the pressure chamber;

the liquid in the pressure chamber is pressurized and enters the brewing chamber to brew the beverage raw materials in the brewing chamber;

the brewed beverage in the brewing chamber is returned to the liquid chamber.

Preferably, a first one-way valve is arranged on a first passage between the liquid chamber and the heating chamber, a valve core of the first one-way valve can move under the action of self gravity and the pressure of the liquid in the liquid chamber, so that the first one-way valve is in an open state, and the liquid in the liquid chamber enters the heating chamber through the first one-way valve.

Preferably, moisture generated by liquid in the heating chamber during heating enters the first passage and pushes the valve core of the first one-way valve to move so that the first one-way valve is closed.

Preferably, a second passage is arranged between the heating chamber and the pressure chamber, and the heated liquid in the heating chamber enters the pressure chamber along the second passage under the pressure of the generated water vapor; and/or the presence of a gas in the gas,

preferably, a third passage is provided between the pressure chamber and the brewing chamber, a second one-way valve is provided on the third passage, and the second one-way valve opens when the pressure in the pressure chamber reaches a predetermined value; and/or, preferably, the brewing method further comprises: placing a beverage capsule containing the beverage ingredient into the brewing chamber and puncturing the beverage capsule prior to heating the heating chamber.

Preferably, the liquid is circulated between the liquid chamber, the heating chamber, the pressure chamber and the brewing chamber a plurality of times.

Preferably, the liquid chamber injects liquid into the heating chamber in a plurality of times during one cycle of the liquid; and/or the presence of a gas in the gas,

preferably, the amount of water injected into the brewing chamber by the pressure chamber during one cycle of the liquid, V, is: v is more than or equal to 5ml and less than or equal to 30 ml; and/or the presence of a gas in the gas,

preferably, the rate of water injection R from the pressure chamber into the brewing chamber is: r is more than or equal to 1ml/s and less than or equal to 3 ml/s; and/or the presence of a gas in the gas,

preferably, the time for one circulation of the liquid is more than 2 min.

According to the beverage machine and the beverage brewing method provided by the invention, hot water does not need to be added by self, cold water can be added for heating to prepare hot beverage, the beverage machine and the beverage brewing method are particularly suitable for the portable beverage machine, and the defect that the portable beverage machine on the existing market needs to manually heat water is overcome. In addition, the design mode of the beverage machine provided by the invention can realize full-automatic beverage making without manual operation for applying pressure to make the beverage.

Drawings

FIG. 1 is a schematic diagram of a beverage maker according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a sectional structure diagram of the cup cover with a pressure boosting device;

FIG. 5 is a sectional view of the supercharging device;

FIG. 6 is a schematic perspective view of the supercharging assembly (with the top cover removed);

fig. 7 is a sectional structure diagram of the cup body.

Description of the reference numerals

10-a liquid chamber; 20-a heating chamber; 30-a pressure chamber; 40-a brewing chamber; 1-cup body; 11-a water outlet; 111-a first tubing interface; 12-a boss; 13-a first conduit; 14-a second conduit; 15-a second tube interface; 16-a third tube interface; 17-external threads; 18-a seal groove; 181-sealing strip; 2-a boiler; 21-an inlet; 22-an outlet; 3-a supercharging device; 31-a housing; 32-a top cover; 33-water inlet joint; 331-sealing ring; 34-a water outlet pipe section; 35-a first tube section; 36-a second one-way valve; 37-a communicating pipe section; 38-a second tube section; 381-bayonet; 39-pressure relief valve; 4-brewing cup; 41-a bayonet; 5-a one-way valve; 6-cover body; 61-internal thread; 100-a housing; 101-an outer cover; 102-main housing.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

The invention discloses a beverage machine, as shown in figure 1, the beverage machine is formed with a liquid chamber 10, a brewing chamber 40, a heating chamber 20 capable of heating liquid and a pressure chamber 30 capable of pressurizing liquid, the volume of the liquid chamber 10 is larger than or equal to the volume of the brewing chamber 40; wherein the liquid chamber 10, the heating chamber 20, the pressure chamber 30 and the brewing chamber 40 form a circulating water path through which liquid in the liquid chamber 10 can enter the heating chamber 20, liquid in the heating chamber 20 enters the pressure chamber 30 after heating, liquid in the pressure chamber 30 enters the brewing chamber 40 after pressurization, and liquid in the brewing chamber 40 reenters the liquid chamber 10.

When the beverage machine provided by the invention is used, for example, a beverage capsule or other beverage raw materials needing to be brewed are usually placed in the brewing chamber, the liquid in the liquid chamber 10 enters the heating chamber 20, the liquid can enter the pressure chamber 30 through the pressure of the heated water vapor after being heated, the water vapor in the pressure chamber 30 is increased continuously, the pressure is increased continuously, and therefore the liquid in the pressure chamber 30 can enter the brewing chamber 40 under the action of the pressure, and the liquid and the beverage raw materials in the brewing chamber 40 can be mixed to prepare a beverage. The beverage can further enter the liquid chamber 10 and then enter the heating chamber 20 from the liquid chamber 10, and the circulation can realize the coexistence of cold liquid, hot liquid and beverage, and prepare hot beverage with pressure.

The beverage machine provided by the invention can be used for making hot beverages by adding cold water without adding hot water by self, is particularly suitable for portable beverage machines, and solves the defect that the portable beverage machines in the existing market need to manually heat water. In addition, the design mode of the beverage machine provided by the invention can realize full-automatic beverage making without manual operation for applying pressure to make the beverage.

The beverage maker according to the present invention will be described in detail below with reference to specific embodiments.

In a preferred embodiment of the present invention, a first passage is provided between the liquid chamber 10 and the heating chamber 20, the first passage is provided with a first check valve 5, and the liquid in the liquid chamber 10 enters the heating chamber 20 by opening the first check valve 5. The first one-way valve 5 is arranged to close the first passage under the push of the liquid in the heating chamber 20 by the vapour formed after heating.

A second passage is provided between the pressure chamber 30 and the heating chamber 20, along which the liquid in the heating chamber 20 preferably enters the pressure chamber 30 under the pressure of the vapour formed by heating.

Specifically, as shown in fig. 1 to 3, the first passage between the liquid chamber 10 and the heating chamber 20 includes a first pipeline 13 between a water outlet at a position near the lower side of the liquid chamber 10 and an inlet 21 at the right side of the heating chamber 20, and the first check valve 5 is disposed in the first pipeline 13; the second path between the pressure chamber 30 and the heating chamber 20 comprises the second pipe 14 to which the outlet 22 on the left side of the heating chamber 20 is connected and a water inlet connection 33 communicating with the second pipe 14 and the pressure chamber 30.

The valve core of the first one-way valve 5 in the first passage moves downwards under the action of self gravity and the liquid pressure in the liquid chamber 10, so that the first passage between the liquid chamber 10 and the heating chamber 20 can be opened, the liquid enters the heating chamber 20 to be heated, a water-vapor mixture is formed, the water-vapor mixture in the heating chamber 20 flows to the first passage and the second passage on the left side and the right side, and the water-vapor mixture in the first passage can push the valve core of the first one-way valve 5 to move upwards, so that the first passage is closed by the first one-way valve 5. The second path of the water vapor mixture may be forced along the second path into the pressure chamber 30 by the water vapor pressure in the heating chamber 20.

Preferably, the volume V2 of the second passage is: 2ml < V1 < 4ml, length L: the second path is set to facilitate the water vapor in the heating chamber 20 to enter the pressure chamber 30 along the second path, wherein the second path is set to be more than 80mm and less than 150 mm.

Of course, the present invention does not exclude the addition of a water pump, by which the liquid in the heating chamber 20 is pumped to the pressure chamber 30.

A third passage is provided between the pressure chamber 30 and the brewing chamber 40, on which third passage a second one-way valve 36 is provided, which second one-way valve 36 is arranged to open the third passage under the pressure in the pressure chamber 30 (the specific arrangement of which third passage will be described in detail later) as shown in fig. 5, so that liquid in the pressure chamber 30 can pass along the third passage into the brewing chamber 40 for brewing the beverage.

In the present embodiment, the volume V1 of the heating chamber 20 is preferably: 5ml < V1 < 20ml, the heating power P for heating the heating chamber 20 is: p is more than 50W and less than 300W.

According to the beverage machine provided by the invention, liquid in the liquid chamber 10 can enter the heating chamber 20 along the first path by opening the first one-way valve, the liquid is heated, so that steam formed by the heated liquid in the heating chamber 20 enters the pressure chamber 30 along the second path, under the condition that the first one-way valve 5 in the first path is repeatedly opened and closed, the liquid in the liquid chamber 10 enters the heating chamber 20 for multiple times, the liquid in the heating chamber 20 is continuously heated, and steam can be continuously generated. In addition, the arrangement of the heating chamber 20 in the invention is beneficial to realizing the requirement of small volume of the portable beverage machine, thereby meeting the requirements of heating and carrying the beverage machine conveniently.

The structure of the beverage maker is described in further detail below.

As shown in figure 1, the beverage machine comprises a cup body 1, a cup cover 6, a brewing cup 4, a boiler 2 and a heating component for heating the boiler, wherein:

the cup 1 forms said liquid chamber 10 and the cup 1 has a water outlet 11 for communication with the heating chamber 20.

The cup cover 6 covers the upper opening of the cup body 1, a sealing piece can be arranged between the cup cover 6 and the cup body 1 to form a sealed liquid chamber 10 together with the cup body 1, and the pressurizing device 3 with the pressure chamber 30 is arranged on the inner side of the cup cover 6 facing the cup body 1.

A brewing cup 4 forming said brewing chamber 40, the brewing cup 4 being located between the pressure chamber 30 and the cup body 1, the brewing cup 4 having an inlet opening capable of communicating with the pressure chamber 30 and an outlet opening communicating with the liquid chamber 10;

the boiler 2 is formed with said heating chamber 20, the boiler 2 being located below the cup 1, and the boiler 2 having an inlet 21 communicating with said liquid chamber 10 and an outlet 22 communicating with said pressure chamber 30.

Specifically, the cup body 1 has a structure as shown in fig. 7, and includes a cup body with a liquid chamber 10 formed therein, a boss 12 is formed at the bottom of the cup body, and a water outlet 11 is formed on the boss 12. Because the water outlet 11 is arranged on the boss 12 higher than the bottom surface of the cup body, impurities or dregs in liquid can be settled on the bottom surface of the cup body and cannot flow out from the water outlet 11, so that when the cup body is used in a beverage machine and the water outlet 11 is connected with an inlet of a boiler, beverages in the cup body flow to the boiler through the bottom water outlet 11, and the impurities or the dregs cannot flow into the boiler of the beverage machine.

To further prevent impurities or dregs in the cup from flowing out of the water outlet 11, a strainer may be provided on the water outlet 11.

The bottom of the cup body 11 of the cup body is formed with a recessed portion (as shown by a portion a in fig. 7) recessed into the cup body 11 on the outer side, and the recessed portion forms the boss 12 on the inner side of the cup body.

Preferably, the outer side of the bottom of the cup body projects in said recess around said outlet 11 to form a first pipe interface 111, which first pipe interface 111 is intended to be connected to a pipe leading to the boiler 2.

In the cup body provided by the invention, the upper part of the cup body main body is also provided with a pipe interface which enables the two pipelines to be mutually communicated. Preferably, the pipe interfaces include a second pipe interface 15 for connecting one pipe and a third pipe interface 16 communicating with the second pipe interface 15 for connecting another pipe. Wherein the second pipe interface 15 is provided with an upwardly facing concave hole to be able to receive a joint of a connected pipe, and the third pipe interface 16 is provided to be downwardly convex to be able to be inserted into the connected pipe.

The second pipe connector 15 is used for connecting a water inlet connector 33 of the pressure chamber 30, and the third pipe connector 16 is used for connecting a water outlet pipeline of the boiler 2 so as to circulate the liquid of the boiler 2 into the pressure chamber 30 of the beverage machine.

It should be understood that the first pipe joint 111, the second pipe joint 15, and the third pipe joint 16 are not limited to the arrangement in the present embodiment, and other ways capable of connecting pipes are possible.

In addition, in this embodiment, the outer side of the upper portion of the cup body extends along the circumference to be provided with an external thread 17, and the external thread 17 is used for connecting the cup cover 6 and can be matched and connected with an internal thread 61 (as shown in fig. 4) of the cup cover 6. Wherein, it can be rotatory for bowl cover 6 to set up supercharging device 3, bowl cover 6 is when relative cup 1 is rotatory like this, supercharging device 3 can be fixed relative cup 1 (because of supercharging device 3's water supply connector 33 is connected with second pipe connector mouth 15 on the cup 1, this supercharging device 3 can not be rotatory relative cup 1), it can be rotatory for bowl cover 6 to set up supercharging device 3 that forms pressure chamber 30 from this, when bowl cover 6 is rotatory relative cup 1, supercharging device 3 can not rotate like this.

In order to sealingly connect lid 6 to the cup, a seal groove 18 for receiving a seal 181 is circumferentially extended on the outer side of the upper portion of the body of cup 1, as shown in fig. 7. When the cup cover 6 covers the upper opening of the cup body 1, the cup cover 6 is pressed on the sealing ring 181, so that the cup cover 6 and the cup body 1 are sealed through the sealing ring 181.

In addition, the cup cover 6 can be provided with a beverage outlet communicated with the liquid chamber 10, and the beverage can be poured out from the beverage outlet on the cup cover 6. Certainly, the technical scheme provided by the invention does not exclude the situation that the beverage is poured out by separating the cup cover 6 from the cup body 1, and also does not exclude the situation that the cup cover 6 is fixed on the cup body 1 in a clamping way, so that the supercharging device 3 does not need to rotate relative to the cup cover 6, and the supercharging device 3 is directly and fixedly arranged on the cup cover 6.

In the present embodiment, the concrete structure of the pressurizing device 3 is as shown in fig. 5 and 6, the pressurizing device 3 comprises a housing 31 and a top cover 32 covering the housing 31, and the top cover is formed with a pressure chamber 30, and the housing 31 is provided with a water inlet for flowing the fluid to the pressure chamber 30 and a third passage for allowing the fluid in the pressure chamber 30 to flow into the brewing chamber 40. Specifically, a water inlet joint 33 is disposed at the water inlet of the housing 31, and a water inlet pipe section 34 (see fig. 6) leading to the pressure chamber 30 is disposed in communication with the water inlet joint 33. A second one-way valve 36 is arranged in said third passage on the housing 31 and is able to open when the pressure inside said pressure chamber 30 reaches a preset value. The third path specifically includes a first pipe section 35 provided on the housing 31 and having an inlet of the third path, a second pipe section 38 provided on the housing 31 and having an outlet of the third path, and a communication pipe section 37 communicating the first pipe section 35 and the second pipe section 38; a second non return valve 36 is arranged in said first pipe section 35. Further, the inlet of the first pipe section 35 is arranged at the lower part, and the upper end of the first pipe section 35 is connected with the communication pipe section 37; the valve core of the second check valve 36 is in a closed state under the action of its own weight and the downward pressure of the fluid, and the fluid in the pressure chamber 30 can flow downward into the inlet of the first pipe section 35 and push the valve core upward to open the second check valve 36. As indicated by the flow direction of the fluid in the first pipe section 35 in fig. 5, the fluid in the pressure chamber 30 flows downward and enters the inlet of the first pipe section 35, the fluid in the first pipe section 35 and below the second check valve 36 applies an upward thrust to the spool of the second check valve 36, when the pressure of the fluid overcomes the self weight of the spool and the downward pressure of the fluid, the spool moves upward, the second check valve 36 is opened, and the fluid can continue to flow from the communication pipe section 37 to the second pipe section 38 and then flow out from the outlet of the second pipe section 38.

In this embodiment, a first pipe line 13 is connected to the inlet 21 of the boiler 2, and the first pipe line 13 is used for communicating with the water outlet 11 of the cup body 1, thereby forming a first passage between the liquid chamber 10 and the heating chamber 20. The outlet 22 of the boiler 2 is connected to a second line 14, which second line 14 is intended to communicate with a pressure chamber 30, forming a second passage between the heating chamber 20 and the pressure chamber 30. Further, a second pipe joint 15 provided on the cup 1 is connected to the water inlet 33 of the pressure chamber 30, and a second pipe joint 16 is connected to said second pipe 14 of the boiler 2. The heated steam in the boiler 2 enters the pressure chamber 30 along the second pipe 14, the water inlet connection 33 of the pressure chamber 30. Wherein, the water inlet joint 33 of the pressure chamber 30 is inserted into the second pipe interface 15, and a sealing ring 331 is arranged between the water inlet joint 33 and the second pipe interface 15, the water inlet joint 33 can be separated from the second pipe interface 15, when the water inlet joint 33 is separated from the second pipe interface 15, the cup cover 6 where the pressure chamber 30 is positioned can be separated from the cup body 1, thereby the cup body 1 can be easily cleaned.

When the pressure inside the pressure chamber 30 is low, the spool of the second one-way valve 36 arranged on the third path between the pressure chamber 30 and the brewing chamber 40 blocks the channel on the valve seat under the action of gravity and liquid, so that the third channel is in a closed state and the liquid in the pressure chamber 30 cannot enter the brewing chamber 40.

As the moisture in the heating chamber 20 continues to enter the pressure chamber 30, the pressure in the pressure chamber 30 gradually increases, forcing the moisture mixture to push the spool of the second one-way valve 36 upward, which opens the third path so that liquid in the pressure chamber 30 can enter the brewing chamber 40.

In the brewing chamber 40, in an upper position and in a lower position, respectively, there are provided piercing knives for piercing beverage capsules placed in the brewing chamber 40. Wherein, the upper bayonet 381 is arranged on the second pipe section 38 of the supercharging device 3, the brewing cup 4 is arranged on the cup body 1, and when the cup cover 6 covers the upper opening of the cup body 1, the upper bayonet 381 on the cup cover 6 can puncture the beverage capsule in the brewing cup 4. In this way, the liquid in the pressurizing means 3 can be injected directly into the beverage capsule from the second tube section 38, and then the beverage capsule is pierced by the lower piercing blade 41, and the beverage liquid in the beverage capsule can flow out into the brewing chamber 40 and then from the outlet of the brewing chamber 40 into the liquid chamber 10.

In addition, in this drink machine, in order to prevent the pressure increase in the pressure chamber 30 and can't release, lead to causing the condition of bursting, can increase a relief valve 39 at the pressure chamber 30, when the pressure in the pressure chamber 30 increases to a definite value, this relief valve 39 can carry out the pressure release to avoid the explosion to injure the user, wherein the steam that the relief valve 39 released flows back to in the cup 1 again in the clearance between top cap 32 of pressure chamber 30 and bowl cover 6. In order to prevent the pressure in the cup body 1 from being too high, another pressure release valve can be arranged on the cup cover 6, and the pressure in the cup body 1 can be released.

In addition, the beverage maker may include a housing 100 disposed at an outer side, as shown in fig. 1, the housing 100 includes an outer lid 101 and a main housing 102 having an upper opening, the outer lid 101 is covered on the lid 6, and the main housing 102 accommodates the cup body 1, the boiler 2 and the heating part. Wherein, a battery or a power interface can be arranged at the bottom position of the main shell 102 for providing current to heat the boiler 2.

Preferably, the outer cover 101 is arranged to be capable of being covered on the cup cover 6 in a turnover manner, when the outer cover 101 is turned over to cover the cup cover 6, the blocking part arranged on the outer cover 101 can block the beverage outlet on the cup cover 6 to prevent the beverage from leaking outside, and when the outer cover 101 is turned over to be opened, the opening on the cup cover 6 is opened to pour the beverage.

The application process of the beverage machine provided by the invention is further described below according to fig. 1.

Separating the water inlet joint 33 of the pressure chamber 30 from the second pipe interface 15 of the cup body 1, so that the cup cover 6 is separated from the cup body 1, so that water can be injected into the cup body 1, and the water in the cup body 1 enters the heating chamber 20 by opening the first one-way valve 5;

supplying power to a heating part of the boiler 2, wherein the heating part heats water in the heating chamber 20, heated water vapor flows to a left inlet 21 to enter a first passage and flows to a right outlet 22 to a second passage, and the water vapor flowing to the first passage pushes a valve core of the first check valve 5 to close the first passage; the water vapour in the heating chamber 20 continuously enters the pressure chamber 30 through the second passage, and when the pressure in the pressure chamber 30 reaches a predetermined value, the second one-way valve 36 on the third passage between the pressure chamber 30 and the brewing chamber 40 is opened, the liquid in the pressure chamber 30 enters the brewing chamber 40 of the brewing cup 4 through the first pipe section 35, the communication pipe section 37 and the second pipe section 38, and the beverage brewed in the brewing chamber reenters the liquid chamber 10 of the cup body 1, thereby continuously circulating. The running time of the beverage machine can be controlled by setting the power supply time of the power supply, the beverage machine runs fully automatically in the process of electrifying the power supply, and the beverage in the beverage machine can be drunk after running for a certain time.

The invention also discloses a beverage brewing method, which comprises the following steps:

injecting a liquid into the liquid chamber 10;

the liquid in the liquid chamber 10 enters the heating chamber 20 for heating;

the heated liquid in the heating chamber 20 enters the pressure chamber 30;

the liquid in the pressure chamber 30 is pressurized into the brewing chamber 40 to brew the beverage material in the brewing chamber 40;

the brewed beverage in the brewing chamber 40 is returned to the liquid chamber 10.

The beverage brewing method provided by the present invention can adopt the beverage machine as described above, and as shown in fig. 1, the beverage machine is formed with a liquid chamber 10, a brewing chamber 40, a heating chamber 20 capable of heating liquid, and a pressure chamber 30 capable of pressurizing liquid; wherein the liquid chamber 10, the heating chamber 20, the pressure chamber 30 and the brewing chamber 40 form a circulating water path through which liquid in the liquid chamber 10 can enter the heating chamber 20, liquid in the heating chamber 20 enters the pressure chamber 30 after heating, liquid in the pressure chamber 30 enters the brewing chamber 40 after pressurization, and liquid in the brewing chamber 40 reenters the liquid chamber 10. The liquid circulates in each cavity, so that the cold liquid, the hot liquid and the beverage can coexist, and the hot beverage with pressure is prepared.

The beverage brewing method can be carried out by adopting the beverage machine, hot water does not need to be added by the beverage brewing method, cold water can be added for heating and preparing hot beverage, the method is particularly suitable for the portable beverage machine, and the defect that the portable beverage machine on the existing market needs to manually heat water is overcome. In addition, the beverage brewing method can also realize full-automatic beverage making, and the beverage can be made without manual operation for applying pressure.

The method for brewing beverage provided by the invention is described by the specific embodiment in conjunction with the beverage machine shown in fig. 1. The beverage machine shown in fig. 1 is a portable beverage machine, and it should be understood, of course, that the beverage brewing method provided by the present invention is not limited to the portable beverage machine shown in fig. 1, and other beverage machines, such as household or other beverage machines, can be used.

As shown in fig. 1-3, a first check valve 5 is disposed on a first passage between the liquid chamber 10 and the heating chamber 20, a valve core of the first check valve 5 can move by its own weight and the pressure of the liquid in the liquid chamber 10, so that the first check valve 5 is in an open state, and the liquid in the liquid chamber 10 enters the heating chamber 20 through the first check valve 5. More specifically, the first passage between the liquid chamber 10 and the heating chamber 20 comprises a first pipe 13 between a water outlet at a position close to the lower side of the liquid chamber 10 and an inlet 21 at the right side of the heating chamber 20, and the first check valve 5 is arranged in the first pipe 13.

Moisture generated by the liquid in the heating chamber 20 during heating enters the first passage and pushes the spool of the first check valve 5 to move so that the first check valve 5 is closed.

A second passage is arranged between the heating chamber 20 and the pressure chamber 30, and the heated liquid in the heating chamber 20 enters the pressure chamber 30 along the second passage under the pressure of the generated water vapor. The second path comprises a second pipe 14 to which the outlet 22 at the left side of the heating chamber 20 is connected, and a water inlet joint 33 communicating with the second pipe 14 and the pressure chamber 30, the liquid entering the pressure chamber 30 from the water inlet joint 33. It should be noted, of course, that the method for brewing beverages provided by the present invention does not exclude the way in which the liquid in the heating chamber 20 is pumped to the pressure chamber 30 by the water pump so as to pressurize the pressure chamber 30.

Between the pressure chamber 30 and the brewing chamber 40, a third passage is provided, as shown in figure 5, on which a second one-way valve 36 is arranged. After the liquid is heated in the heating chamber 20, the liquid enters the pressure chamber 30 through the pressure of the heated water vapor, the water vapor in the pressure chamber 30 increases continuously, the pressure increases continuously, and when the pressure in the pressure chamber 30 reaches a predetermined value, the second check valve 36 opens, so that the liquid in the pressure chamber 30 can enter the brewing chamber 40.

The brewing chamber 40 is provided with an opening communicating with the liquid chamber 10, in which brewing chamber 40 a beverage capsule can be placed, and the brewing method therefore further comprises placing a beverage capsule containing the beverage ingredient into the brewing chamber 40 and piercing the beverage capsule before heating the heating chamber 20. The beverage formed after brewing the beverage capsule by the liquid entering the brewing chamber 40 flows back into the liquid chamber 10.

Typically, the liquid is circulated a number of times between the liquid chamber 10, the heating chamber 20, the pressure chamber 30 and the brewing chamber 40; the time for one liquid circulation is usually more than 2 min.

During a cycle, the liquid from the liquid chamber 10 may be injected into the heating chamber 20 in a plurality of portions, the heating chamber 20 heating the liquid injected in a plurality of portions before the predetermined pressure of the pressure chamber 30 is reached, so that the liquid in the pressure chamber 30 enters the brewing chamber 40 under pressure.

Preferably, in the portable beverage machine, the water injection amount V from the pressure chamber 30 to the brewing chamber 40 is 5ml or less and V or less and 30ml or less during one circulation of the liquid; the rate of water injection into the brewing chamber 40 by the pressure chamber 30 is R is 1ml/s or less and R is 3ml/s or less.

It should be understood that in other types of beverage machines, such as for example domestic beverage machines, the amount of water injection of the pressure chamber 30 into the brewing chamber 40 and the rate of water injection may be set higher.

In the portable beverage machine shown in fig. 1, the cup body 1 forms a liquid chamber 10, and the cup body 1 has a water outlet 11 for communicating with a heating chamber 20;

the cup cover 6 is covered on the upper opening of the cup body 1, a sealing piece can be arranged between the cup cover 6 and the cup body 1 to form a sealed liquid chamber 10 together with the cup body 1, and the supercharging device 3 with a pressure chamber 30 is arranged on the inner side of the cup cover 6 facing the cup body 1; wherein, bowl cover 6 passes through the screw thread and rotates on cup 1, and supercharging device 3 can rotate for bowl cover 6 to when making bowl cover 6 rotatory for cup 1, pressure chamber 30 can not rotate. In addition, the cup cover 6 can be provided with a drink outlet communicated with the liquid chamber 10, and drinks can be poured out from the drink outlet on the cup cover 6.

A first pipe 13 is connected to the inlet 21 of the boiler 2, which first pipe 13 is intended to communicate with the water outlet 11 of the cup 1, forming a first passage between the heating chamber 20 and the liquid chamber 10. Preferably, the water outlet 11 of the liquid chamber 10, which is connected to the inlet 21 of the boiler 2, is provided at a lower position, and the water outlet 11 is provided on a boss 12 higher than the bottom of the cup body 1 to prevent drink residues from entering the boiler 2.

To the outlet 22 of the boiler 2 is connected a second line 14, which second line 14 is intended to communicate with a pressure chamber 30. Further, the cup 1 is provided with a second pipe joint 15 and a third pipe joint 16 which are communicated with each other, the second pipe joint 15 is connected with a water inlet joint 33 of the pressure chamber 30, and the third pipe joint 16 is connected with the second pipe 14 of the boiler 2. The heated steam in the boiler 2 enters the pressure chamber 30 along the second pipe 14, the water inlet connection 33 of the pressure chamber 30. Wherein, the water inlet joint 33 of the pressure chamber 30 is inserted into the second pipe interface 15, a sealing ring is arranged between the water inlet interface 6 and the second pipe interface 15, the water inlet joint 33 can be separated from the second pipe interface 15, when the water inlet joint 33 is separated from the second pipe interface 15, the cup cover 6 where the pressure chamber 30 is positioned can be separated from the cup body 1, thereby the cup body 1 can be easily cleaned.

In the brewing chamber 40, in an upper position and in a lower position, respectively, there are provided piercing knives for piercing beverage capsules placed in the brewing chamber 40. Wherein, the upper bayonet 11 is arranged on the cup cover 6, the brewing cup is arranged on the cup body 1, and when the cup cover 6 covers the upper opening of the cup body 1, the upper bayonet 11 on the cup cover 6 can puncture the beverage capsule in the brewing cup 4. Typically, the upper lancet 41 is arranged directly on the second tube section 38 between the pressure chamber 30 and the brewing chamber 40 (as shown in fig. 3), such that when the upper lancet 41 on this second tube section 8 pierces a beverage capsule, the liquid in the second tube section 38 can be directly injected into the beverage capsule, and then the lower side of the beverage capsule is pierced by the lower lancet 41, and the beverage liquid in the beverage capsule can flow out into the brewing chamber 40 and then from the outlet of the brewing chamber 40 into the liquid chamber 10.

In addition, in this drink machine, in order to prevent the pressure increase in the pressure chamber 30 and unable release, lead to the fact the condition of bursting, can increase a relief valve 39 at the pressure chamber 30, when the pressure in the pressure chamber 30 increases to a definite value, this relief valve 39 can carry out the pressure release to avoid the explosion to injure the user, wherein the steam that the relief valve 39 released flows back to in the cup 1 again in the clearance between the pressure chamber lid of pressure chamber 30 and bowl cover 6. In order to prevent the pressure in the cup body 1 from being too high, another pressure release valve can be arranged on the cup cover 6, and the pressure in the cup body 1 can be released.

The process of brewing a beverage by the beverage brewing method provided by the present invention in the beverage machine is further described below with reference to fig. 1.

supplying power to a heating part of the boiler 2, wherein the heating part heats water in the heating chamber 20, heated water vapor flows to a left inlet 21 to enter a first passage and flows to a right outlet 22 to a second passage, and the water vapor flowing to the first passage pushes a valve core of the first check valve 5 to close the first passage; the water vapour in the heating chamber 20 continuously enters the pressure chamber 30 through the second passage, and when the pressure in the pressure chamber 30 reaches a predetermined value, the second one-way valve 36 on the third passage between the pressure chamber 30 and the brewing chamber 40 opens, and the liquid in the pressure chamber 30 enters the brewing chamber 40 of the brewing cup 4 through the first tube section 35, the communicating tube section 37 and the second tube section 38, and the beverage brewed in the brewing chamber reenters the liquid chamber 10 of the cup body 1, thereby continuously circulating. The running time of the beverage machine can be controlled by setting the power supply time of the power supply, the beverage machine runs fully automatically in the process of electrifying the power supply, and the beverage in the beverage machine can be drunk after running for a certain time.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the individual specific technical features in any suitable way. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. A beverage machine, characterized in that it is formed with a liquid chamber (10), a brewing chamber (40), a heating chamber (20) capable of heating the liquid and a pressure chamber (30) capable of pressurizing the liquid;

wherein the liquid chamber (10), the heating chamber (20), the pressure chamber (30) and the brewing chamber (40) form a circulation water path in which liquid in the liquid chamber (10) can enter the heating chamber (20), liquid in the heating chamber (20) enters the pressure chamber (30) upon heating, liquid in the pressure chamber (30) enters the brewing chamber (40) upon pressurization, liquid in the brewing chamber (40) re-enters the liquid chamber (10).

2. Beverage machine according to claim 1, characterized in that the volume V1 of the heating chamber (20) is: 5ml < V1 < 20ml, the heating power P for heating the heating chamber (20) is: p is more than 50W and less than 300W.

3. The beverage machine according to claim 1, characterized in that a first passage is provided between the liquid chamber (10) and the heating chamber (20), on which first one-way valve (5) is provided, the liquid in the liquid chamber (10) being able to enter the heating chamber (20) by opening the first one-way valve (5).

4. The machine according to claim 3, characterized in that the first one-way valve (5) is arranged to be able to close the first passage under the push of the vapour formed after the heating of the liquid in the heating chamber (20).

5. The machine according to claim 1, characterized in that a second passage is provided between the pressure chamber (30) and the heating chamber (20), along which the liquid in the heating chamber (20) enters the pressure chamber (30) under the pressure of the vapour formed by heating.

6. The beverage machine according to claim 5, characterized in that the volume V2 of the second passage is: 2ml < V1 < 4 ml; and/or the presence of a gas in the gas,

the length L of the second passage is more than 80mm and less than 150 mm.

7. Beverage machine according to claim 1, characterized in that a third passage is provided between the pressure chamber (30) and the brewing chamber (40), on which third passage a second one-way valve (36) is provided, the second one-way valve (36) being arranged to be able to open the third passage under the effect of the pressure inside the pressure chamber (30).

8. Beverage machine according to any one of claims 1-7, characterized in that it comprises:

a cup (1), said cup (1) forming said liquid chamber (10), and said cup (1) having a water outlet (11) for communicating with said heating chamber (20);

the cup cover (6) covers the upper opening of the cup body (1), and the supercharging device (3) with the pressure chamber (30) is arranged on the inner side, facing the cup body (1), of the cup cover (6);

a brewing cup (4), said brewing cup (4) forming said brewing chamber (40) and being located between said pressure chamber (30) and said cup body (1), and said brewing cup (4) having an inlet that can communicate with said pressure chamber (30) and an outlet that communicates with said liquid chamber (10);

a boiler (2) and a heating means to heat the boiler, the boiler (2) forming the heating chamber (20), the boiler (2) being located below the cup (1), the boiler (2) having an inlet (21) communicating with the liquid chamber (10) and an outlet (22) communicating with the pressure chamber (30).

9. The machine according to claim 8, characterized in that a first line (13) is connected to the inlet (21) of the boiler (2), the first line (13) being intended to communicate with the water outlet (11) of the cup (1), a second line (14) being connected to the outlet (22) of the boiler (2), the second line (14) being intended to communicate with the pressure chamber (30); and/or the presence of a gas in the gas,

the heating component comprises a heating pipe arranged on one side of the boiler (2) which is far away from the cup body (1) or a heating coil wound on the boiler; and/or the presence of a gas in the gas,

the upper part and the lower part in the brewing chamber (40) are respectively provided with a bayonet for puncturing the beverage capsule placed in the brewing chamber (40); and/or the presence of a gas in the gas,

the beverage machine further comprises a shell (100), wherein the shell (100) comprises an outer cover (101) and a main shell (102) with an upper opening, the outer cover (101) covers the cup cover (6), and the main shell (102) accommodates the cup body (1), the boiler (2) and the heating component.

10. The beverage machine according to claim 9, characterized in that the cup body (1) comprises a cup body forming a liquid chamber (10), the bottom of the cup body forming a boss (12), the boss (12) being provided with the water outlet (11).

11. The beverage machine according to claim 10, characterized in that the bottom of the cup body is formed on the outside with a recess recessed into the cup body, the recess forming the boss (12) on the inside of the cup body.

12. The machine according to claim 11, characterized in that the outer side of the bottom of the cup body projects in the recess around the outlet (11) to form a first pipe interface (111).

13. The beverage machine according to claim 10, characterized in that a sieve is arranged on the water outlet (11); and/or the presence of a gas in the gas,

the outer side of the upper part of the cup body is circumferentially and extendedly provided with an external thread (17) which is used for being in threaded connection with the cup cover (6);

and/or a sealing groove (18) for accommodating a sealing ring (181) is formed in the outer side of the upper part of the cup body in a circumferential extending manner.

14. The machine according to claim 10, wherein the cup body is further provided, in an upper position thereof, with a second pipe interface (15) for connecting one pipe and a third pipe interface (16) communicating with the second pipe interface (15) for connecting another pipe.

15. The machine according to claim 14, wherein the second mouthpiece (15) is provided with an upwardly facing recess to be able to receive the joint of the connected pipe, and the third mouthpiece (16) is provided projecting downwards to be able to be inserted into the connected pipe.

16. A method of brewing a beverage, the method comprising:

injecting a liquid into the liquid chamber (10);

the liquid in the liquid chamber (10) enters a heating chamber (20) to be heated;

the heated liquid in the heating chamber (20) enters the pressure chamber (30);

the liquid in the pressure chamber (30) is pressurized and enters the brewing chamber (40) to brew the beverage material in the brewing chamber (40);

the brewed beverage in the brewing chamber (40) is returned to the liquid chamber (10).

17. Method for brewing beverage according to claim 16, wherein a first one-way valve (5) is arranged on a first path between the liquid chamber (10) and the heating chamber (20), the spool of the first one-way valve (5) being movable by its own weight and the pressure of the liquid in the liquid chamber (10) such that the first one-way valve (5) is in an open state, the liquid in the liquid chamber (10) entering the heating chamber (20) through the first one-way valve (5).

18. Method for brewing beverages according to claim 17, characterized in that the moisture generated during heating of the liquid in said heating chamber (20) enters said first passage and pushes the spool of said first non-return valve (5) to move so that said first non-return valve (5) is closed.

19. Method for brewing beverages according to claim 16, characterized in that a second passage is provided between said heating chamber (20) and said pressure chamber (30), along which the heated liquid in said heating chamber (20) enters said pressure chamber (30) under the pressure of the generated steam; and/or the presence of a gas in the gas,

a third passage is arranged between the pressure chamber (30) and the brewing chamber (40), a second one-way valve (36) is arranged on the third passage, and the second one-way valve (36) is opened when the pressure in the pressure chamber (30) reaches a predetermined value; and/or the presence of a gas in the gas,

the brewing method further comprises the following steps: -placing a beverage capsule containing the beverage ingredient into the brewing chamber (40) and piercing the beverage capsule before heating the heating chamber (20).

20. Method for brewing a beverage according to any of the claims 16-19, wherein said liquid is circulated a plurality of times between said liquid chamber (10), said heating chamber (20), said pressure chamber (30) and said brewing chamber (40).

21. The method for brewing a beverage according to claim 20, wherein said liquid chamber (10) injects liquid into said heating chamber (20) in a plurality of portions during one circulation of said liquid; and/or the presence of a gas in the gas,

the quantity V of water injected by the pressure chamber (30) into the brewing chamber (40) during one cycle of the liquid is: v is more than or equal to 5ml and less than or equal to 30 ml; and/or

-the rate of water injection R of the pressure chamber (30) into the brewing chamber (40) is: r is more than or equal to 1ml/s and less than or equal to 3 ml/s; and/or the presence of a gas in the gas,

the time for circulating the liquid once is more than 2 min.