WO2022233168A1 - 一种预调温系统、饮品冲泡设备及预调温方法 - Google Patents

一种预调温系统、饮品冲泡设备及预调温方法 Download PDF

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Publication number
WO2022233168A1
WO2022233168A1 PCT/CN2022/076108 CN2022076108W WO2022233168A1 WO 2022233168 A1 WO2022233168 A1 WO 2022233168A1 CN 2022076108 W CN2022076108 W CN 2022076108W WO 2022233168 A1 WO2022233168 A1 WO 2022233168A1
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Prior art keywords
fluid pipeline
fluid
beverage
temperature
tempering
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PCT/CN2022/076108
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English (en)
French (fr)
Inventor
朱梅生
王照亮
Original Assignee
苏州咖乐美咖啡机科技有限公司
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Priority to EP22798510.8A priority Critical patent/EP4226818A4/en
Publication of WO2022233168A1 publication Critical patent/WO2022233168A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
    • A47J31/525—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters
    • A47J31/5253—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters of temperature
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/469—Details of hydraulic circuits

Definitions

  • the invention belongs to the technical field of beverage brewing equipment, and in particular relates to a pre-temperature adjustment system, beverage brewing equipment and a pre-temperature adjustment method.
  • coffee beverages such as espresso, cappuccino, milk coffee, white coffee or flavored coffee
  • Coffee machines for making coffee beverages and methods for making coffee beverages in coffee machines are well known in the prior art.
  • hot water of a certain temperature is introduced into a brewing unit or a brewing container containing ground coffee at a certain pressure, and after brewing is completed, it is introduced into a cup through an output pipe for drinking.
  • the type of coffee beverages made, their blends and flavors are highly dependent on the temperature and pressure of the water that is passed through the ground coffee, especially the water temperature, if the water temperature is too high during the extraction process, it will cause over-extraction and the resulting coffee If the water temperature is too low, the taste of the coffee will be sour and weak.
  • the stability of the temperature directly leads to the stability and consistency of the coffee taste.
  • the design of various coffee machines also focuses on the study of the water temperature test structure. And control methods to improve the stability of water temperature.
  • ice cubes when making ice drinks, a large amount of ice cubes are usually added to adjust the temperature after the drinks are made. On the one hand, the addition of ice cubes reduces the concentration of the drink; Drinking time, reduce drinking experience satisfaction.
  • the water entering the set temperature of the brewing unit will deviate from the original temperature due to hot or cold convection, for example, the first time after a period of idle time. Cup of drinks, resulting in a large difference between the actual temperature and the set temperature. First, it leads to the deviation of the brewing water temperature, which affects the brewing effect, thereby affecting the quality of the drink. Second, it leads to the deviation of the temperature of the drink entering the cup, which affects the taste. , reducing the experience effect.
  • the purpose of the present invention is to: provide a pre-temperature adjustment system for a beverage brewing device, which pre-adjusts the temperature of the part where the beverage passes, such as the brewing unit, when necessary before the beverage is made; Control the on-off of the fluid in the pipeline, output the temperature-adjusting medium and the beverage from different pipelines, and prevent the temperature-adjusting medium from entering the drink cup as much as possible, affecting the taste and quality of the beverage.
  • the benefit of heat conduction is used to adjust the temperature of the brewing unit or related pipelines.
  • the temperature adjustment medium in this application may be water or beverages at a certain temperature.
  • a pre-temperature adjustment system for beverage brewing equipment includes a host control unit, a brewing unit, a first fluid pipeline, a second fluid pipeline, a third fluid pipeline and a control assembly.
  • One end of the first fluid pipeline is connected to the brewing unit for outputting beverages from the brewing unit to the beverage outlet;
  • one end of the second fluid pipeline is connected to the brewing unit for providing temperature adjustment for the brewing unit medium;
  • one end of the third fluid pipeline is connected to the brewing unit or the first fluid pipeline, and is used to discharge the temperature-adjusting medium that has played a temperature-adjusting role;
  • the control component is connected to the pipeline and used to control the first fluid
  • the on-off of the pipeline and the third fluid pipeline is controlled by the host control unit.
  • the temperature adjustment medium is input into the brewing unit through the second fluid pipeline, and the first fluid pipeline is disconnected to prevent residual liquid in the first fluid pipeline or the temperature adjustment medium from passing through the beverage outlet Outflow, open the third fluid pipeline, and the temperature-adjusting medium flowing through the brewing unit is discharged through the third fluid pipeline.
  • the control assembly disconnects the third fluid line, opens the first fluid line, and the beverage is output from the first fluid line.
  • the temperature adjustment medium is water at a certain temperature.
  • One end of the third fluid pipeline is connected to the first fluid pipeline, the connection point is located between the brewing unit and the beverage outlet, and the other end is directly or indirectly connected to the collection container, which can connect the brewing unit, the first
  • the residual liquid in the fluid pipeline, the third fluid pipeline, and the temperature-adjusting medium after performing the pre-temperature adjustment function are discharged into the collection container to prevent pollution.
  • the second fluid line is used to provide a tempering medium for the brewing unit and the first fluid line.
  • the third fluid pipeline is used to discharge the temperature-adjusting medium in the pipeline from the brewing unit to the connection point between the first fluid pipeline and the third fluid pipeline.
  • the pre-temperature regulation system is also provided with a timer or a flow meter, the timer is controlled by the host control unit, the flow meter is set on the third fluid pipeline, and the host controls the flow by setting a predetermined time or preset flow. unit to control the control component, for example, set a specific time or specific flow according to the length of the pipeline in the beverage equipment, etc., to control the on-off switching time of the first fluid pipeline and the third fluid pipeline, so as to achieve the passage of the third fluid pipeline.
  • the temperature adjustment medium can be used for preheating or refrigeration. When used for preheating, the temperature range of the temperature adjustment medium entering the brewing unit is 88-98 degrees Celsius; when used for cooling, it enters the brewing unit. The temperature range of the tempering medium is 4-10 degrees Celsius.
  • the temperature adjustment medium can be input into the brewing unit through the second fluid pipeline before the beverage is brewed or after the set interval time to pre-adjust the temperature of the brewing unit.
  • the control component controls the flow to the beverage outlet.
  • the first fluid pipeline is disconnected and the third fluid pipeline is unblocked, and the residual liquid and temperature adjustment medium in the brewing unit and the first fluid pipeline are discharged into the collection container through the third fluid pipeline; in the third fluid pipeline
  • the temperature adjustment medium continues to be input, so that the temperature adjustment medium is output to the first fluid pipeline without changing its temperature when passing through the brewing unit, so as to pre-adjust the first fluid pipeline.
  • the temperature-adjusting medium is discharged into the collection container from the third fluid pipeline through the connection point between the first fluid pipeline and the third fluid pipeline.
  • start the timer or flow meter and control the control component by the host control unit by setting a predetermined time or preset flow, and then control the on-off switching time of the first fluid pipeline and the third fluid pipeline , so that the temperature adjustment medium in the first fluid pipeline is discharged from the third fluid pipeline, and finally, the temperature adjustment medium in the brewing unit and the first fluid pipeline is discharged into the collection container from the third fluid pipeline.
  • control component is any of the following:
  • the control component is a pump, and the pump is arranged on the third fluid pipeline. At this time, one end of the third fluid pipeline is connected to the first fluid pipeline, and the connection point is located between the brewing unit and the beverage outlet.
  • the pump When discharging, the pump provides driving force to pump the temperature-adjusting medium into the third fluid pipeline and discharge; further, in the initial stage of beverage output, the delay time of pump closing is controlled by a timer or a flowmeter, so that the first The tempering medium in the fluid line is also discharged into the collection container;
  • the control assembly is a three-way valve, the three-way valve is installed at the connection between the first fluid pipeline and the third fluid pipeline, and the three-way valve is a two-position three-way normally open solenoid valve, wherein the normally open Connect the end of the second fluid pipeline toward the brewing unit.
  • the first fluid pipeline is unblocked, and when the temperature-adjusting medium is discharged, the third fluid pipeline is unblocked; further, in the initial stage of beverage output, the brewing unit is connected to the first fluid pipeline and the third fluid pipeline There is still a temperature regulating medium in the pipeline between the points.
  • the three-way valve is controlled to make the third fluid pipeline unblocked.
  • the three-way valve switches to make the third fluid pipeline unblocked.
  • a fluid pipeline is unblocked to prevent the temperature-adjusting medium in the tube from flowing into the drink cup;
  • the control assembly is a two-way valve, the two-way valve includes a first solenoid valve and a second solenoid valve, the first solenoid valve is mounted on the first fluid pipeline, and the second solenoid valve is mounted on the third fluid pipe
  • the on-off switching of the first solenoid valve and the second solenoid valve is adjusted by the host control unit, the first solenoid valve is opened when the beverage is discharged, and the second solenoid valve is opened when the temperature-adjusting medium is discharged; further, when the third fluid pipe
  • the first solenoid valve and the second solenoid valve are controlled according to the setting of the timer or the flow meter
  • the on-off switching time of the valve can make the temperature-adjusting medium in the pipeline between the brewing unit and the connection between the first fluid pipeline and the third fluid pipeline also be discharged into the collection container in time.
  • the pre-temperature adjustment system of the above beverage brewing equipment includes the following steps:
  • the residual liquid in the first fluid pipeline may be pre-excluded.
  • the timing of the action of the control assembly may be at the same time as step S1 is performed, or before the inputted temperature-adjusting medium flows to the connection point between the first fluid pipeline and the third fluid pipeline, or may be the inputted temperature-adjusting medium.
  • the medium flows through the connection point of the first fluid line and the third fluid line and does not reach the beverage outlet.
  • the operation timing of the control assembly is controlled by a timer or a flow meter.
  • a beverage brewing device includes a pre-temperature adjustment system of any of the above-mentioned beverage brewing devices, and the beverage brewing device can perform pre-temperature adjustment according to the above-mentioned pre-temperature adjustment method.
  • the time for pre-temperature adjustment is before brewing the beverage, or the beverage brewing device is idle for a period of time to perform pre-temperature adjustment.
  • the pre-temperature adjustment system of the beverage brewing equipment provided by the present invention is provided by providing a third fluid pipeline for discharging the temperature adjustment medium for the brewing unit, and controlling the on-off of the first fluid pipeline and the third fluid pipeline.
  • the component preheats or pre-cools the brewing unit before the beverage is brewed to prevent the initial temperature in the brewing unit from being affected by thermal convection and heat conduction on the brewing water temperature, thereby maintaining the stability and consistency of the beverage's taste.
  • the preheating system of the beverage brewing device provided by the present invention, by connecting one end of the third fluid pipeline with the first fluid pipeline, part or all of the first fluid pipeline can be preheated or precooled, and at the same time, the first fluid pipeline can be preheated or cooled by A timer or a flow meter is used to delay the switching time of the control assembly, so that the tempering medium in the first fluid conduit is also discharged through the third fluid conduit.
  • Embodiment 1 is a schematic structural diagram of Embodiment 1 of the present invention.
  • Embodiment 2 is a schematic structural diagram of Embodiment 2 of the present invention.
  • FIG. 3 is a schematic structural diagram of a three-way valve in Embodiment 2 of the present invention.
  • Embodiment 3 of the present invention is a schematic structural diagram of Embodiment 3 of the present invention.
  • FIG. 5 is a schematic structural diagram of the third fluid pipeline directly connected to the collection container according to the present invention.
  • the pipelines that are not clearly specified in the following description are the general term for the beverage, the brewing unit through which the tempering medium flows, the first fluid pipeline, the second fluid pipeline, and the third fluid pipeline; Or during the discharge of the temperature-adjusting medium, due to capillary phenomenon, some of the liquid adhering to the pipe wall cannot be discharged. Therefore, the description of discharge and emptying does not mean complete and absolute discharge and emptying.
  • the pre-conditioning system of the coffee machine includes a host control unit (not shown), a brewing unit 1, a first fluid line 3, a second fluid line 2, a third fluid line 4 and control components.
  • One end of the first fluid pipeline 3 is connected to the brewing unit 1 for outputting the beverage from the brewing unit 1 to the beverage outlet 30 .
  • One end of the second fluid pipeline 2 is connected to the brewing unit 1 for providing preheated water to the brewing unit 1 .
  • One end of the third fluid pipeline 4 is connected to the first fluid pipeline 3, the connection point a is located between the brewing unit 1 and the beverage outlet 30, and the other end is provided with a collection container 6 (corresponding to the indirect and collection container in claim 2).
  • the third fluid pipeline 4 is clamped in the coffee machine housing through the holder 40 for the discharge of residual liquid or preheated water in the brewing unit 1, and can also be used in the first fluid pipeline 3 at the same time Drainage of residual liquid or preheated water.
  • the control component is a pump 41, and the pump 41 is connected to the third fluid pipeline 4 and controlled by the host control unit.
  • the brewing unit 1 is communicated with the first fluid pipeline 3 and the third fluid pipeline 4 through the valve 5 , and a drink cup 7 is provided below the drink outlet 30 .
  • start the pump 41 the preheated water enters the brewing unit 1 from the second fluid line 2 for preheating, and then is discharged from the third fluid line 4 to the collection container 6.
  • the first fluid line 3 When there is residual liquid in the container, it is also discharged to the collection container 6 by the drive of the pump 41 .
  • the pre-temperature adjustment system of this embodiment is further provided with a timer, the action timing of the pump 41 is controlled by the timer, and the timer is controlled by the host control unit, which is used for according to the brewing unit 1 to the first fluid pipeline 3 and the third fluid
  • the length of the pipeline between the connection points a of 4 and the flow rate, etc. set a specific time before coffee brewing, delay the power-off time of the pump 41, and preheat the water through the third fluid during the initial set time period during the coffee output process.
  • the pipeline 4 is discharged to the collection container 6 to complete the discharge of the preheated water in the first fluid pipeline 3 .
  • the preheated water is input from the second fluid pipeline 2 to the brewing unit 1, and the preheated water reaches the first fluid pipeline 3 through the valve 5 for preheating.
  • the control unit turns on the pump 41 after the set time or when the set flow rate is reached, and discharges the preheated water to the collection container 6 .
  • the working steps of the pre-conditioning system are:
  • step S1 the pump 41 may be energized to remove the residual liquid in the first fluid pipeline 3 in advance.
  • the power-on timing of the pump 41 may be at the same time when the temperature regulating medium is input through the second fluid pipeline 2, or before the input temperature regulating medium flows to the connection point a between the first fluid pipeline 3 and the third fluid pipeline 4, or It is because the input tempering medium flows through the connection point a between the first fluid pipeline 3 and the third fluid pipeline 4 and does not reach the beverage outlet 30. At this time, it needs to be emptied before brewing coffee.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the pre-conditioning system of the coffee machine shown in FIG. 2 and FIG. 3 includes a host control unit (not shown), a brewing unit 1, a first fluid line 3, a second fluid line 2, and a third fluid line Road 4 and control components.
  • One end of the first fluid pipeline 3 is connected to the brewing unit 1 for outputting the beverage from the brewing unit 1 to the beverage outlet 30 .
  • One end of the second fluid pipeline 2 is connected to the brewing unit 1 for providing preheated water to the brewing unit 1 .
  • the control assembly is a three-way valve 32, one end of the third fluid pipeline 4 is connected to the first fluid pipeline 3 through the three-way valve 32, and the other end is provided with a collection container 6 (corresponding to the indirect connection with the collection container in claim 2) .
  • the three-way valve 32 is a two-position three-way normally open solenoid valve, and includes a first valve port 321 , a second valve port 322 and a third valve port 323 .
  • the first valve port 321 is normally open and is connected to the end of the first fluid line 3 facing the brewing unit 1
  • the second valve port 322 is connected to the beverage outlet 30
  • the third valve port 323 is connected to the third fluid line 4 .
  • Below the beverage outlet 30 is a beverage cup 7 .
  • the preheated water enters the brewing unit 1 from the second fluid pipeline 2 for preheating, the three-way valve 32 is not energized, the valve core is at the initial position, the second valve port 322 is closed, and the third valve port 323 is unblocked.
  • the preheated water is discharged from the third fluid line 4 to the collection container 6 .
  • the three-way valve 32 is energized, the valve core goes down, the third valve port 323 is closed, the second valve port 322 is unblocked, and the coffee is output from the second valve port 322 into the drink cup 7 .
  • the pre-temperature adjustment system of this embodiment is further provided with a timer, and the switching timing of the three-way valve 32 is controlled by the timer.
  • the timer is controlled by the host control unit, and is used to set a specific time before coffee brewing according to the length of the pipeline between the brewing unit 1 and the three-way valve 32, flow rate, etc.
  • the preheated water is discharged to the collection container 6 through the third fluid pipeline 4, and the discharge of the preheated water in the first fluid pipeline 3 is completed.
  • the working steps of the pre-conditioning system are:
  • the timing of the action of the three-way valve 32 may be at the same time when the temperature adjustment medium is input through the second fluid pipeline 2 , or before the input temperature adjustment medium flows to the three-way valve 32 .
  • the pre-conditioning system of the coffee machine as shown in FIG. 4 includes a host control unit (not shown), a brewing unit 1, a first fluid line 3, a second fluid line 2, a third fluid line 4 and control components.
  • a host control unit not shown
  • a brewing unit 1 a first fluid line 3
  • a second fluid line 2 a third fluid line 4 and control components.
  • One end of the second fluid pipeline 2 is connected to the brewing unit 1 for providing preheated water to the brewing unit 1 .
  • the control assembly is a two-way valve.
  • the two-way valve includes a first solenoid valve 31 and a second solenoid valve 42.
  • the first solenoid valve 31 is installed on the first fluid pipeline 3
  • the second solenoid valve 42 is installed on the third fluid pipeline. 4 on.
  • the first solenoid valve 31 is closed, the second solenoid valve 42 is energized and opened, the preheated water enters the brewing unit 1 through the second fluid pipeline 2 for preheating, and is discharged to the collection container 6 through the third fluid pipeline 4 .
  • the first solenoid valve 31 is energized to open, the second solenoid valve 42 is closed, and the coffee is output from the first fluid pipeline 3 to the drink cup 7 .
  • the first fluid pipeline 3 there will be preheated water remaining in a section of the first fluid pipeline 3 before the first solenoid valve 31 that cannot be discharged, and the first fluid pipeline 3 cannot be preheated. Therefore, preferably, As shown in FIG. 4 , one end of the third fluid pipeline 4 is connected to the first fluid pipeline 3 , and the connection point a is located between the brewing unit 1 and the beverage outlet 30 . At this time, the third fluid line 4 is also used to discharge the preheated water in the line from the brewing unit 1 to the connection point a.
  • the pre-tempering system of this embodiment is also provided with a timer, the switching timing of the two-way valve is controlled by the timer, and the timer is controlled by the host control unit, which is used to determine the length of the pipeline between the brewing unit 1 and the connection point a according to the Set a specific time before coffee brewing, delay the switching time of the first solenoid valve 31 and the second solenoid valve 42, and preheat the water through the third fluid pipeline 4 during the initial set time period during the coffee output process. Discharge to collection container 6 .
  • the working steps of the pre-conditioning system are:
  • the first solenoid valve 31 and the second solenoid valve 42 can be opened to remove the residual liquid in the first fluid pipeline 3 in advance.
  • the end of the third fluid pipeline 4 is lower than the beverage outlet 30, so that the residual liquid can be discharged from the third fluid pipeline 4 under its own weight.
  • the switching timing of the first solenoid valve 31 and the second solenoid valve 42 may be at the same time as step S1 is carried out, or before the input temperature regulating medium flows to the connection point a of the first fluid pipeline 3 and the third fluid pipeline 4, or at the same time. It may be that the input tempering medium flows through the connection point a between the first fluid pipeline 3 and the third fluid pipeline 4 and does not reach the beverage outlet 30. At this time, it needs to be emptied before brewing coffee.
  • the output port of the third fluid pipeline 4 can also be directly connected to the collection container 6 .
  • the timer can be replaced with a flowmeter, and the flowmeter is set in the third fluid pipeline 4, according to the flow of the brewing unit 1 to the first fluid pipeline 3 and the third fluid 4
  • the length of the pipeline between the connection points a, the flow rate, etc., are set to a specific flow rate, so as to ensure that all the preheated water is discharged into the collection container 6 .
  • a temperature sensor in order to ensure that the temperature in the brewing unit 1 and the first fluid pipeline 3 reaches the set value after preheating, a temperature sensor can be set in the brewing unit 1 or the first fluid pipeline 3 , according to the real-time temperature, the preheated water is continuously input from the second fluid pipeline 2 to ensure the preheating effect.
  • the preheated water can be replaced with ice water or other cold medium.

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  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

一种预调温系统、饮品冲泡设备及预调温方法，预调温系统包括主机控制单元、冲泡单元（1）、第一流体管路（3）、第二流体管路（2）、第三流体管路（4）和控制组件，控制组件用于控制第一流体管路（3）和第三流体管路（4）的通断。通过对冲泡单元（1）及管路进行预先调温，防止环境温度引起水温变化，从而保证饮品口感的稳定。

Description

一种预调温系统、饮品冲泡设备及预调温方法 技术领域
本发明属于饮品冲泡设备技术领域，尤其涉及一种预调温系统、饮品冲泡设备及预调温方法。
背景技术
通过冲泡手段获得口感丰富的饮品在人类历史上源远流长，是一种文化更是一种社会生活的日常。以前人们大多手工泡茶或者手冲咖啡，现在随着机械自动化的进步和生活节奏的加快，饮品冲泡设备的应用越来越普及，有的是办公场所使用，也有家庭使用。同时对饮品冲泡设备做出来的饮品口感要求越来越高，由此带来这个领域里的技术改进需求也日益强烈。本申请文件以咖啡饮品为例，咖啡饮料(如浓缩咖啡、卡布其诺、牛奶咖啡、白咖啡或加香增味咖啡)当今非常普遍并受欢迎，并且可以以很多不同的方式获得，尤其是依据其原混合物和萃取饮料的方式。在现有技术中用于制作咖啡饮料的咖啡机及用于在咖啡机中制作咖啡饮料的方法已广为人知。在普通咖啡机中，一定温度的热水以一定压力被引入容纳有研磨咖啡的冲泡单元或泡制容器中，完成冲泡后通过输出管导入杯子以供饮用。所制作的这类咖啡饮料及其混合物和味道很大程度上取决于流经研磨咖啡的水的温度和压力，尤其是水温，如果在萃取过程中水温过高，便会造成萃取过度，导致咖啡的味道苦涩，反之水温太低，则会导致咖啡的口感偏酸、偏淡，温度的稳定性直接导致了咖啡口感的稳定和一致性，各类咖啡机在设计上也着重于研究水温测试结构及控制方法，以提高水温的稳定。
同样在制作冰饮时，通常在饮品制作完成后加入大量的冰块来进行调温，一方面，冰块的加入降低了饮品的浓度，另一方面，冰块融化需要一定的时间，影响了饮用时效，降低饮用体验满意度。
在实际中，由于环境温度的影响，尤其是冬季或夏季等环境温度极端情况下，进入冲泡单元的设定温度的水会因热或冷对流偏离原来温度，例如闲置一段时间后的第一杯饮品，导致实际温度与设定温度之间有较大差异，其一，导致冲泡水温偏差，影响冲泡效果，从而影响饮品品质，其二，导致进入杯体中饮品温度偏差，影响口感，降低体验效果。
因此，有必要研究设计并提供一种能够应用于饮品冲泡设备的预调温系统。发明内容
鉴于以上所述现有技术的不足，本发明的目的在于：提供一种饮品冲泡设备的预调温系统，在饮品制作前等需要时对饮品经过的部位例如冲泡单元进行预先调温；控制管路内流体通断，将调温介质和饮品由不同管路输出，尽可能防止调温介质进入饮品杯，影响饮品口感和质量。在本申请中，利用热传导效益来对冲泡单元或相关管路进行温度调整，例如本申请中的调温介质，可以是一定温度的水或饮品等。
为实现上述发明目的，本发明提供以下技术方案：
一种饮品冲泡设备的预调温系统，包括主机控制单元、冲泡单元、第一流体管路、第二流体管路、第三流体管路和控制组件。所述第一流体管路一端连接冲泡单元，用于将饮品从冲泡单元输出至饮品出口；所述第二流体管路一端连接冲泡单元，用于为所述冲泡单元提供调温介质；所述第三流体管路一端连接冲泡单元或第一流体管路，用于将发挥调温作用后的调温介质排出；所述控制组件连接 于管路上，用于控制第一流体管路和第三流体管路的通断，所述控制组件由所述主机控制单元来控制。在例如制备饮品前等需要调温场景时，通过第二流体管路向冲泡单元内输入调温介质，断开第一流体管路防止第一流体管路中残留液体或调温介质通过饮品出口流出，打开第三流体管路，流经冲泡单元的调温介质通过第三流体管路排出。当饮品输出时，控制组件断开第三流体管路，打开第一流体管路，饮品由第一流体管路输出。优选的，所述调温介质为一定温度的水。
所述第三流体管路一端与第一流体管路相连，连接点位于所述冲泡单元和所述饮品出口之间，另一端直接或间接与收集容器相连，可以将冲泡单元、第一流体管路、第三流体管路中残余液体、发挥预先调温作用后的所述调温介质排入收集容器，防止污染。
所述第二流体管路用于为所述冲泡单元和所述第一流体管路提供调温介质。所述第三流体管路用于排出从冲泡单元至第一流体管路、第三流体管路连接点之间的管路中的调温介质。所述预调温系统还设有计时器或流量计，所述计时器由主机控制单元控制，所述流量计设于第三流体管路上，通过设置预定时间或者预设流量，所述主机控制单元来控制所述控制组件，例如根据饮品设备内管路长度等设置具体时间或具体流量，来控制第一流体管路和第三流体管路的通断切换时间，从而达到通过第三流体管路排出冲泡单元至第一流体管路和第三流体管路连接点的所述调温介质，甚至整个第一流体管路中的调温介质。
所述调温介质可以用于预热或制冷，当用于预热时，进入所述冲泡单元的调温介质温度范围为88-98摄氏度；当用于制冷时，进入所述冲泡单元的调温介质温度范围为4-10摄氏度。
具体的，可以在冲泡饮品前或设定间隔时间后，由第二流体管路向冲泡单 元内输入调温介质，对冲泡单元进行预调温，此时，控制组件控制使流向饮品出口的第一流体管路断开、第三流体管路畅通，冲泡单元和第一流体管路内的残留液体和调温介质通过第三流体管路排至收集容器中；在第三流体管路连接于第一流体管路的情况下，继续输入调温介质，使得调温介质经过冲泡单元时温度不发生变化地输出至第一流体管路，从而对第一流体管路进行预先调温，停止输入调温介质，随后，调温介质经过第一流体管路和第三流体管路的连接点由第三流体管路排至收集容器中。在这个过程中，启动计时器或者流量计，通过设置预定时间或者预设流量，由主机控制单元来控制所述控制组件，进而控制第一流体管路和第三流体管路的通断切换时间，使第一流体管路中的调温介质由第三流体管路排出，最终，实现了冲泡单元、第一流体管路的调温介质均由第三流体管路排至收集容器中。
可选的，所述控制组件为以下任意一种：
控制组件为泵，所述泵设置于第三流体管路上，此时，第三流体管路一端与第一流体管路相连，连接点位于所述冲泡单元和饮品出口之间，调温介质排出时，通过泵提供驱动力，将调温介质泵入第三流体管路并排出；进一步地，在饮品输出的初始阶段，利用计时器或流量计控制泵关闭的延迟时间，可使得第一流体管路中的调温介质也排出至收集容器中；
控制组件为三通阀，所述三通阀安装于所述第一流体管路和所述第三流体管路连接处，所述三通阀为两位三通常开型电磁阀，其中常开口连接所述第二流体管路上朝向所述冲泡单元一端。饮品输出时，第一流体管路畅通，调温介质排出时，第三流体管路畅通；进一步地，在饮品输出的初始阶段，冲泡单元至第一流体管路、第三流体管路连接点之间的管路中仍然存在调温介质，此时 控制三通阀使得第三流体管路畅通，计时器设定时间段后或流量计达到设定流量后，三通阀切换，使得第一流体管路畅通，防止管内调温介质流入饮品杯；
控制组件为两通阀，所述两通阀包含第一电磁阀和第二电磁阀，所述第一电磁阀安装于第一流体管路上，所述第二电磁阀安装于的第三流体管路上，通过主机控制单元调节第一电磁阀和第二电磁阀的通断切换，在饮品排出时打开第一电磁阀，调温介质排出时打开第二电磁阀；进一步地，当第三流体管路一端与第一流体管路相连、连接点位于所述冲泡单元和饮品出口之间时，在饮品输出的初始阶段，根据计时器或流量计的设定控制第一电磁阀和第二电磁阀的通断切换时间，可使得冲泡单元至第一流体管路、第三流体管路连接处之间的管路中的调温介质也及时排出至收集容器中。
上述饮品冲泡设备的预调温系统，包含如下步骤：
S1、通过第二流体管路向冲泡单元输入调温介质进行预先调温；
S2、启动控制组件，断开第一流体管路，打开第三流体管路，利用第三流体管路排出液体或调温介质进行预调温；
S3、断开第三流体管路，结束预调温。
其中，在步骤S1之前，可以先对第一流体管路中的残留液体进行预先排除。
所述控制组件的动作时机可以是步骤S1进行的同时，或者输入的所述调温介质流至第一流体管路与第三流体管路的连接点之前，也可以是输入的所述调温介质流过第一流体管路与第三流体管路的连接点、未到达饮品出口处。
所述控制组件动作时机由计时器或流量计控制。
一种饮品冲泡设备，包含了如上所述任意一种饮品冲泡设备的预调温系统， 所述饮品冲泡设备可以根据上述预调温方法进行预调温。
其中预调温的时机为冲泡饮品之前，或者饮品冲泡设备闲置一段时间即进行预调温。
与现有技术相比，本发明的有益效果：
本发明提供的饮品冲泡设备的预调温系统，通过为冲泡单元设置用于排出调温介质的第三流体管路，以及控制第一流体管路和第三流体管路通断的控制组件，在饮品冲泡之前对冲泡单元进行预热或预冷，防止冲泡单元内初始温度因热对流、热传导对饮品冲泡水温的影响，从而保持饮品口味的稳定性和一致性。
本发明提供的饮品冲泡设备的预调温系统，通过将第三流体管路的一端与第一流体管路连接，实现第一流体管路部分段或全部的预热或预冷，同时通过计时器或流量计来延迟控制组件的切换时间，从而使得第一流体管道内的调温介质也通过第三流体管路排出。
附图说明
为了更清楚地说明本发明具体实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例一的结构示意图；
图2为本发明实施例二的结构示意图；
图3为本发明实施例二中三通阀的结构示意图；
图4为本发明实施例三的结构示意图；
图5为本发明第三流体管路直接与收集容器相连的结构示意图。
附图标记：1-冲泡单元，2-第二流体管路，3-第一流体管路，30-饮品出口，31-第一电磁阀，32-三通阀，321-第一阀口，322-第二阀口，323-第三阀口，4-第三流体管路，40-固定器，41-泵，42-第二电磁阀，5-阀门，6-收集容器，7-饮品杯，a-第一流体管路和第三流体管路的连接点。
具体实施方式
下面将以所述饮品冲泡设备为咖啡机为例对本发明具体实施例中的技术方案进行清楚、完整地描述，咖啡机在冲泡咖啡之前利用调温介质进行预热，使用的调温介质为预热水，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
为了便于描述，以下叙述中未明确指明的管路为饮品、调温介质所流经的冲泡单元、第一流体管路、第二流体管路、第三流体管路的统称；在残留液体或调温介质的排出过程中，由于毛细现象，不可避免的会有部分附着在管路壁上的液体无法排出，因此关于排出、排空的描述不表示完全、绝对地排出、排空。
实施例一：
如图1所示的咖啡机的预调温系统，包括主机控制单元(未示出)、冲泡单元1、第一流体管路3、第二流体管路2、第三流体管路4和控制组件。第一流体管路3一端连接冲泡单元1，用于将饮品从冲泡单元1输出至饮品出口30。第二流体管路2一端连接冲泡单元1，用于为冲泡单元1提供预热水。第三流体管路4一端与第一流体管路3相连，连接点a位于冲泡单元1和饮品出口30之间，另一端下方设有收集容器6(对应权利要求2中的间接与收集容器相连)，第三流体管路4通过固定器40卡装于咖啡机壳体中，用于冲泡单元1内残留液体或 预热水的排出，也可同时用于第一流体管路3中残留液体或预热水的排出。控制组件为泵41，泵41连接于第三流体管路4上，由主机控制单元来控制。冲泡单元1通过阀门5与第一流体管路3、第三流体管路4相通，饮品出口30下方设有饮品杯7。预热时，启动泵41，预热水由第二流体管路2进入冲泡单元1进行预热，再由第三流体管路4排出至收集容器6，此时若第一流体管路3中存在残留液体时，也会在泵41的驱动下排出至收集容器6。
本实施例的预调温系统还设有计时器，泵41的动作时机由计时器控制，计时器由主机控制单元控制，用于根据冲泡单元1至第一流体管路3和第三流体4的连接点a之间的管路长度、流量等在咖啡冲泡前设置具体时间，延迟泵41的断电时间，在咖啡输出过程中初始的设定时间段内预热水通过第三流体管路4排出至收集容器6，完成第一流体管路3中预热水的排出。当需要对第一流体管路3进行预热时，由第二流体管路2向冲泡单元1输入预热水，预热水通过阀门5到达第一流体管路3进行预热后，主机控制单元在设定时间或达到设定流量后再打开泵41，将预热水排出至收集容器6。
预调温系统工作步骤为：
S1、通过第二流体管路2向冲泡单元1输入预热水进行预热，其中预热水可以为冲泡咖啡用的热水；
S2、启动控制组件，泵41通电工作，利用第三流体管路4排出预热水进行预热；
S3、泵41断电，结束预调温。
其中，在步骤S1之前，可以先使泵41通电对第一流体管路3中的残留液体预先进行排除。
泵41的通电时机可以是通过第二流体管路2输入调温介质的同时，或者输入的调温介质流至第一流体管路3和第三流体管路4的连接点a之前，也可以是输入的调温介质流过第一流体管路3与第三流体管路4的连接点a、未到达饮品出口30处，此时在冲泡咖啡前需先进行排空。
实施例二：
结合图2和图3所示的咖啡机的预调温系统，包括主机控制单元(未示出)、冲泡单元1、第一流体管路3、第二流体管路2、第三流体管路4和控制组件。第一流体管路3一端连接冲泡单元1，用于将饮品从冲泡单元1输出至饮品出口30。第二流体管路2一端连接冲泡单元1，用于为冲泡单元1提供预热水。控制组件为三通阀32，第三流体管路4一端通过三通阀32与第一流体管路3相连，另一端下方设有收集容器6(对应权利要求2中的间接与收集容器相连)。三通阀32为两位三通常开型电磁阀，包含第一阀口321、第二阀口322和第三阀口323。其中第一阀口321为常开口，连接第一流体管路3上朝向冲泡单元1一端，第二阀口322连接饮品出口30端，第三阀口323连接第三流体管路4。饮品出口30下方设有饮品杯7。
预热时，预热水由第二流体管路2进入冲泡单元1进行预热，三通阀32不通电，阀芯处于初始位置，第二阀口322关闭，第三阀口323畅通，预热水由第三流体管路4排出至收集容器6。冲泡咖啡时，三通阀32通电，阀芯下行，第三阀口323关闭，第二阀口322畅通，咖啡由第二阀口322输出至饮品杯7内。
本实施例的预调温系统还设有计时器，三通阀32的切换时机由计时器控制。计时器由主机控制单元控制，用于根据冲泡单元1至三通阀32之间的管路长度、 流量等在咖啡冲泡前设置具体时间，延迟三通阀32的通电时间，在咖啡输出过程中初始的设定时间段内预热水通过第三流体管路4排出至收集容器6，完成第一流体管路3中预热水的排出。
预调温系统工作步骤为：
S1、通过第二流体管路2向冲泡单元1输入预热水进行预热，其中预热水可以为冲泡咖啡用的热水；
S2、启动控制组件，保持三通阀32内阀芯处于初始位置，第二阀口322关闭，第三阀口323畅通，利用第三流体管路4排出全部或部分液体或预热水，完成预热；
S3、三通阀32通电，阀芯下行，第三阀口323关闭，结束预热。
三通阀32的动作时机可以是通过第二流体管路2输入调温介质的同时，或者输入的调温介质流至三通阀32之前。
实施例三：
如图4所示的咖啡机的预调温系统，包括主机控制单元(未示出)、冲泡单元1、第一流体管路3、第二流体管路2、第三流体管路4和控制组件。第二流体管路2一端连接冲泡单元1，用于为冲泡单元1提供预热水。第一流体管路3、第三流体管路4的一端分别通过阀门5连接冲泡单元1，第一流体管路3用于将饮品从冲泡单元1输出至饮品出口30，饮品出口30下方设有饮品杯7；第三流体管路4通过固定器40卡装于咖啡机壳体中，用于冲泡单元1内预热水的排出，另一端下方设有收集容器6。控制组件为两通阀，两通阀包含第一电磁阀31和第二电磁阀42，第一电磁阀31安装于第一流体管路3上，第二电磁阀42安装于第三流体管路4上。预热时，第一电磁阀31关闭，第二电磁阀42通电开启， 预热水由第二流体管路2进入冲泡单元1进行预热，经第三流体管路4排出至收集容器6。冲泡咖啡时，第一电磁阀31通电开启，第二电磁阀42关闭，咖啡由第一流体管路3输出至饮品杯7内。
在上述实施例中，第一流体管路3内位于第一电磁阀31之前的一段管路中会有预热水残留无法排出，且第一流体管路3无法预热，因此，优选的，如图4所示，第三流体管路4一端与第一流体管路3连接，连接点a位于冲泡单元1和饮品出口30之间。此时第三流体管路4还用于排出从冲泡单元1至连接点a之间的管路中的预热水。
本实施例的预调温系统还设有计时器，两通阀的切换时机由计时器控制，计时器由主机控制单元控制，用于根据冲泡单元1至连接点a之间的管路长度、流量等在咖啡冲泡前设置具体时间，延迟第一电磁阀31和第二电磁阀42的切换时间，在咖啡输出过程中初始的设定时间段内预热水通过第三流体管路4排出至收集容器6。
预调温系统工作步骤为：
S1、通过第二流体管路2向冲泡单元1输入预热水进行预热，其中预热水可以为冲泡咖啡用的热水；
S2、启动控制组件，关闭第一电磁阀31，断开第一流体管路3，打开第二电磁阀42，利用第三流体管路4排出全部或部分液体或预热水进行预热；
S3、关闭第二电磁阀42，结束预热。
其中，在通过第二流体管路2输入调温介质之前，可以先打开第一电磁阀31和第二电磁阀42，对第一流体管路3中的残留液体预先进行排除，此时应使第三流体管路4的端部低于饮品出口30，便于残留液体在自重下由第三流 体管路4排出。
第一电磁阀31和第二电磁阀42的切换时机可以是步骤S1进行的同时，或者输入的调温介质流至第一流体管路3和第三流体管路4的连接点a之前，也可以是输入的调温介质流过第一流体管路3与第三流体管路4的连接点a、未到达饮品出口30处，此时在冲泡咖啡前需先进行排空。
如图5所示，在实施例一、二、三中，第三流体管路4的输出口还可以直接与收集容器6连接。
在实施例一、二、三中，计时器可以替换为流量计，所述流量计设于第三流体管路4内，根据冲泡单元1至第一流体管路3、第三流体4的连接点a之间的管路长度、流速等设定具体流量，从而保证预热水全部排出至收集容器6中。
在实施例一、二、三中，为了保证冲泡单元1、第一流体管路3内预热后温度达到设定值，可以在冲泡单元1或第一流体管路3内设置温度传感器，根据实时温度由第二流体管道2持续输入预热水，以保证预热效果。
在上述实施例中，均为咖啡机的预热调温，对于其他饮品机可能的制冷需要，则以冰水或其他冷介质替换预热水即可。
以上对本发明所提供的饮品冲泡设备的预调温系统及其工作方法进行了详细介绍，本文中应用了具体个例对本发明的结构及工作原理进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求保护的范围内。

Claims (15)

  1. 一种饮品冲泡设备的预调温系统，包括主机控制单元、冲泡单元、第一流体管路，所述第一流体管路一端连接冲泡单元，用于将饮品从冲泡单元输出至饮品出口，其特征在于，还包括第二流体管路、第三流体管路和控制组件；
    所述第二流体管路一端连接冲泡单元，用于为所述冲泡单元提供调温介质；
    所述第三流体管路一端连接冲泡单元或第一流体管路，用于将发挥调温作用后的调温介质排出；
    所述控制组件连接于管路上，用于控制第一流体管路和第三流体管路的通断，所述控制组件由所述主机控制单元来控制。
  2. 根据权利要求1所述的饮品冲泡设备的预调温系统，其特征在于，所述第三流体管路一端与第一流体管路相连，连接点位于所述冲泡单元和所述饮品出口之间，另一端直接或间接与收集容器相连。
  3. 根据权利要求2所述的饮品冲泡设备的预调温系统，其特征在于，所述第二流体管路用于为所述冲泡单元和所述第一流体管路提供调温介质。
  4. 根据权利要求3所述的饮品冲泡设备的预调温系统，其特征在于，所述第三流体管路用于排出从冲泡单元至第一流体管路、第三流体管路连接点之间的管路中的调温介质。
  5. 根据权利要求4所述的饮品冲泡设备的预调温系统，其特征在于，所述预调温系统还包括计时器或流量计，所述计时器由主机控制单元控制，所述流量计设于第三流体管路上。
  6. 根据权利要求1-5任一项所述的饮品冲泡设备的预调温系统，其特征在于，所述控制组件为泵，所述泵设置于第三流体管路上。
  7. 根据权利要求1-5任一项所述的饮品冲泡设备的预调温系统，其特征在 于，所述控制组件为三通阀，所述三通阀安装于所述第一流体管路和所述第三流体管路连接处。
  8. 根据权利要求7所述的饮品冲泡设备的预调温系统，其特征在于，所述三通阀为两位三通常开型电磁阀，其中常开口连接所述第一流体管路上朝向所述冲泡单元一端。
  9. 根据权利要求1-5任一项所述的饮品冲泡设备的预调温系统，其特征在于，所述控制组件为两通阀，所述两通阀包含第一电磁阀和第二电磁阀，所述第一电磁阀安装于第一流体管路上，所述第二电磁阀安装于的第三流体管路上。
  10. 一种根据权利要求1-9任一项所述的饮品冲泡设备的预调温系统的预调温方法，其特征在于，包含如下步骤：
    S1、通过第二流体管路向冲泡单元输入调温介质进行预调温；
    S2、启动控制组件，断开第一流体管路，打开第三流体管路，利用第三流体管路排出液体或调温介质进行预调温；
    S3、断开第三流体管路，结束预调温。
  11. 根据权利要求10所述的饮品冲泡设备的预调温系统的预调温方法，其特征在于，在步骤S1之前，对第一流体管路中残留液体进行预先排除。
  12. 根据权利要求10或11所述的饮品冲泡设备的预调温系统的预调温方法，其特征在于，所述控制组件动作时机是步骤S1进行的同时或者输入的所述调温介质流至第一流体管路与第三流体管路的连接点之前。
  13. 根据权利要求10或11所述的饮品冲泡设备的预调温系统的预调温方法，其特征在于，所述控制组件动作时机是输入的所述调温介质流过第一流体管路与第三流体管路的连接点、未到达饮品出口处。
  14. 根据权利要求13所述的饮品冲泡设备的预调温系统的预调温方法，其特征在于，所述控制组件动作时机由计时器或流量计控制。
  15. 一种饮品冲泡设备，其特征在于，包含权利要求1-9任一项所述的饮品冲泡设备的预调温系统。
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