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WO2011130903A1 - 可调整温度及浓度的饮料冲煮机构 - Google Patents

可调整温度及浓度的饮料冲煮机构 Download PDF

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Publication number
WO2011130903A1
WO2011130903A1 PCT/CN2010/071885 CN2010071885W WO2011130903A1 WO 2011130903 A1 WO2011130903 A1 WO 2011130903A1 CN 2010071885 W CN2010071885 W CN 2010071885W WO 2011130903 A1 WO2011130903 A1 WO 2011130903A1
Authority
WO
WIPO (PCT)
Prior art keywords
brewing
hot water
water
pipe
beverage
Prior art date
Application number
PCT/CN2010/071885
Other languages
English (en)
French (fr)
Inventor
刘宗熹
Original Assignee
Liu Tsung-Hsi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liu Tsung-Hsi filed Critical Liu Tsung-Hsi
Priority to PCT/CN2010/071885 priority Critical patent/WO2011130903A1/zh
Priority to CN201010258419.9A priority patent/CN102217900B/zh
Publication of WO2011130903A1 publication Critical patent/WO2011130903A1/zh

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Classifications

    • 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
    • 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
    • A47J31/54—Water boiling vessels in beverage making machines
    • 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
    • A47J31/54—Water boiling vessels in beverage making machines
    • A47J31/542—Continuous-flow heaters
    • 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
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user

Definitions

  • the invention relates to a beverage brewing mechanism, in particular to a beverage brewing mechanism capable of adjusting temperature and concentration.
  • a known beverage brewing mechanism as shown in Fig. 15 mainly includes a water supply pump 80, a main boiler 81, a heat exchanger 82, and a brewing head 83.
  • the water supply pump 80 is used to supply an external water source to the main boiler 81, and a water level detector 84 controls the opening and closing of the water supply pump 80 and the boiler water inlet solenoid valve 95, so that the water level in the main boiler 81 is maintained.
  • a steam pressure detector 85 is used to control the opening and closing of a heater 86 for heating the water stored in the main boiler 81 to maintain a set steam pressure range (also That is, within a set temperature range).
  • the water supply pump 80 and a brewing solenoid valve 87 are operated to be activated, and the external water source passes through a cold water supply pipe 88, sequentially through a pressure relief check valve 89 and a flow meter 90.
  • the heat is supplied to the heat exchanger 82 passing through the main boiler 81, and the external water source in the heat exchanger 82 is heated into a hot water by using hot water and steam in the main boiler 81, and the hot water flow passes through a hot water.
  • the supply pipe 91 flows into the brewing head 83, and flows through the opened brewing solenoid valve 87 into a follicle cup 92 preset with the beverage material to be brewed, and the brewed liquid is brewed. Flowing out into a beverage cup 94; when the flow meter 90 is metered to a set flow rate, the brewing solenoid valve 87 is closed in real time to complete the beverage brewing procedure for setting the flow rate.
  • the above-mentioned known beverage brewing mechanism can only supply hot water of a single temperature to the brewing beverage of the brewing head, and the temperature and concentration of the beverage produced by the above-mentioned beverages are all preset fixed values, which cannot be matched with the individual needs of different customers, and modulation Beverages of different temperatures and concentrations do not meet the actual needs of the diversified beverage market.
  • the current beverage industry is usually in the finished brewing beverage, artificially adding hot water, cold water and/or ice cubes to change the temperature and concentration of the beverage.
  • This manual addition method is not only time-consuming, but also impossible to maintain.
  • the best quality and taste of the beverage may cause problems such as long waiting times for customers and unsatisfactory beverage quality.
  • the optimum brewing temperature required for beverages such as coffee, tea, etc. is usually higher than the customer's serving temperature. If the beverage made by the known beverage brewing mechanism is directly supplied to the customer, the risk of the customer's tongue being accidentally burned may be caused.
  • the object of the present invention is to provide a beverage brewing mechanism which can automatically adjust the temperature and concentration of the brewed beverage according to at least one preset value for modulating, for example, espresso (tea), light coffee (tea). Hot coffee (tea), warm coffee (tea), iced coffee (tea) and other beverages of different temperatures and concentrations, in line with the actual needs of the diversified beverage market.
  • Another object of the present invention is to provide a beverage brewing mechanism capable of adjusting temperature and concentration, which is to select or not select a set volume of hot water according to a setting after the brewing head completes the beverage brewing procedure. And / or cold water, automatically added to the brewed beverage at the same time or at different times, used to change the temperature and concentration of the beverage.
  • This automated addition method is not only easy and quick to operate, but also maintains the best quality and taste of the beverage.
  • Another object of the present invention is to provide a beverage brewing mechanism capable of adjusting temperature and concentration, which simultaneously supplies fixed temperature hot water and pre-set flow of cold water to the brewing head, and mixes them into the most After tempering the temperature of the water, enter the follicular cup and brew the beverage.
  • This method of brewing in a mixed water stream not only improves the working efficiency of the boiler, but also changes the temperature of the mixed water stream by changing the preset flow rate of the cold water. If two sets of brewing units of different brewing temperatures are provided in the beverage brewing mechanism, the same beverage brewing mechanism can be used for brewing different kinds of beverages. Therefore, the industry is able to reduce the cost of equipment purchase, as well as the convenience of operation and high equipment marry rate.
  • An adjustable brewing and concentrating beverage brewing mechanism capable of achieving the above object includes: a boiler for receiving and storing an external water source; and at least one heater for heating the water stored in the boiler The water storage in the boiler is maintained within a set temperature range; a brewing head for brewing the beverage; a water inlet pipe connected to the external water source; a hot water pipe connected to the water inlet pipe, the a heat exchanger in the boiler that will pass through the water flow of the hot water pipe Heated to a set temperature, the hot water pipe end is divided into a hot water supply pipe and a hot water preheating pipe; a hot water return pipe that communicates with the hot water preheating pipe through the brewing head, and Connected to the heat exchanger; a cold water pipe connected to the water inlet pipe, which communicates with a cold water supply pipe through a cold water throttle valve, and the cold water supply pipe communicates with the hot water supply pipe through the brewing head; a brewing solenoid valve disposed on the brewing head, when controlled to
  • the cold water injection pipe is connected to the cold water pipe to receive cold water in the cold water pipe.
  • the hot water injection pipe is connected to the cold water supply pipe to receive hot water in the hot water supply pipe and cold water in the cold water supply pipe.
  • the beverage brewing mechanism further includes a control panel having at least three manual control keys and at least four automatic control keys; each manual control key for manually controlling the brewing solenoid valve, the cold water solenoid valve and the heat One of the water solenoid valves; each of the automatic control keys can be preset, and the brewing solenoid valve, the cold water solenoid valve, the hot water solenoid valve, and combinations thereof are separately controlled in an automatic manner.
  • the beverage brewing mechanism is provided with two sets of brewing units at the same time, and the cold water throttle valves in the two sets of brewing units respectively have different valve opening degrees.
  • the hot water solenoid valve is disposed on the hot water injection pipe.
  • the hot water solenoid valve is disposed on the brewing head; and the brewing head includes a flow guiding seat for respectively receiving hot water supplied by the hot water supply pipe and The cold water supplied by the cold water supply pipe, the mixed warm water flows into a water supply passage; when the brewing electromagnetic valve is opened and turned on, the warm water in the water supply passage flows through the opened brewing solenoid valve into a water outlet a drinking brewing process in the channel and flowing into the follicular cup; the water supply channel is further connected to a water supply channel, and a water injection channel connected to the hot water injection pipe is disposed in the brewing head, the water supply channel Between the water injection channel and the water injection solenoid valve is controlled to conduct.
  • FIG. 1 is a schematic structural view of a first embodiment of a beverage brewing mechanism capable of adjusting temperature and concentration according to the present invention
  • FIG. 2 is a plan view of the beverage brewing mechanism of FIG. 1;
  • FIG 3 is a schematic view of the control panel in the beverage brewing mechanism shown in Figure 1;
  • Figure 4 is a schematic view of the flow direction of the beverage brewing mechanism of Figure 1 when the brewing beverage program is performed;
  • Figure 5 is a schematic view of the water flow direction of the beverage brewing mechanism of Figure 1 when the hot water filling procedure is performed;
  • Figure 6 is a schematic view of the flow direction of the beverage brewing mechanism of Figure 1 when the cold water filling procedure is performed;
  • Figure 7 is a schematic view of the water flow direction of the beverage brewing mechanism of Figure 1 during the preheating cycle; a perspective view of a water injection throttle valve in the illustrated beverage brewing mechanism;
  • FIG. 9 is a schematic structural view of a second embodiment of the beverage brewing mechanism with adjustable temperature and concentration
  • FIG. 10 is a schematic structural view of the third embodiment of the beverage brewing mechanism with adjustable temperature and concentration
  • FIG. 11 is an adjustable
  • FIG. 12 is a partial cross-sectional enlarged view of the brewing head of the beverage brewing mechanism of FIG. 11
  • FIG. 13 is similar to FIG. 12 but with different cross-sectional directions;
  • FIG. 14 is a schematic structural view of a fifth embodiment of the beverage brewing mechanism with adjustable temperature and concentration; and FIG. 15 is a schematic structural view of a known beverage brewing mechanism.
  • the beverage brewing mechanism with adjustable temperature and concentration provided by the present invention mainly includes: a boiler 10 and a heat exchanger 11 for providing a heat source, and a brewing for brewing beverages.
  • the head 20, a brewing flow path including a cold water supply and a hot water supply, and a brewing electromagnetic valve 30 for controlling the same, a preheating circulation flow path for preheating the brewing head 20, and directly injecting cold water into the brewing
  • the brewing solenoid valve 30 and the water supply pump 12 are turned on, so that the cold water and the hot water in the brewing flow path simultaneously flow from the brewing head 20 to the filter of a preset beverage food.
  • the brewed beverage flows into a beverage cup 22.
  • the hot water solenoid valve 60 and the water supply pump 12 are automatically turned on in a predetermined manner to make the isothermal temperature in the hot water injection flow path. Hot water is directly injected into the beverage cup 22.
  • the cold water solenoid valve 50 and the water supply pump 12 are automatically opened in a preset manner, so that the cold water in the cold water injection flow path is directly injected into the beverage cup. 22;
  • the cold water solenoid valve 50 and the hot water solenoid valve 60 can also be selected to open or open only one of the solenoid valves.
  • the above three solenoid valves 30, 50, 60 and the water supply pump 12 are all turned off, at which time the hot water is The pressure difference flows from the preheating circulation flow path through the brewing head 20, exchanges heat therewith, and the brewing head 20 is preheated, and the hot water flows back to the heat exchanger 11.
  • the above-mentioned beverage brewing procedure, automatic filling of cold water and/or hot water after brewing, preheating cycle and the like will be further described later.
  • the present invention utilizes a water supply pump 12 to supply an external water source to the boiler 10, and a water level detector 13 controls the opening and closing of the water supply pump 12 and a water inlet solenoid valve 14 to maintain the water level in the boiler 10 Within a set range; a steam pressure detector 15 is used to control the opening and closing of a heater 16 for heating the water stored in the boiler 10 to maintain a set steam pressure range (ie, A set temperature range).
  • a set steam pressure range ie, A set temperature range
  • the water supply pump 12 is also connected to an inlet pipe 17, and when the water supply pump 12 is started, an external water source is pumped into the inlet pipe 17.
  • the water inlet pipe 17 is provided with a pressure relief check valve 18 and a flow meter 19, and the ends thereof are respectively connected to a hot water pipe 31 and a cold water pipe 35.
  • the hot water pipe 31 passes through the heat exchanger 11 disposed in the boiler 10, and the water flow passing through the hot water pipe 31
  • the hot water pipe 31 is divided into a hot water supply pipe 32 and a hot water preheating pipe 33 by heating to a set temperature.
  • the hot water preheating pipe 33 communicates with a hot water return pipe 34 through the brewing head 20, and the end of the hot water return pipe 34 communicates with the heat exchanger 11.
  • the heat exchanger 11 can be a twin-pot heat exchanger as shown, or a single-pot or other type of heat exchanger can be used.
  • the cold water pipe 35 is connected to a cold water supply pipe 37 through a cold water throttle valve 36, and the cold water supply pipe 37 communicates with the hot water supply pipe 32 through the brewing head 20.
  • the brewing solenoid valve 30 is disposed on the brewing head 20, which may be a three-port two-position solenoid valve, and when it is controlled to open, the hot water supplied by the hot water supply pipe 32 and the cold water supply pipe The cold water supplied from 37 is guided by the brewing head 20 into the brewing cup 21 to brew the beverage, and the brewed beverage flows out into the beverage cup 22.
  • the cold water injection pipe 51 may be connected to the cold water pipe 35 as shown in FIG. 1 to receive cold water in the cold water pipe 35; or may be connected to the water inlet pipe 17 or the water supply pump 12 for directly directing cold water Infused into the beverage cup 22.
  • the hot water injection pipe 61 can be connected to the cold water supply pipe 37 as shown in FIG. 1 to receive the hot water in the hot water supply pipe 32 and the cold water in the cold water supply pipe 37 for warming after mixing. Hot water is directly injected into the beverage cup 22. Further, the hot water injection pipe 61 may alternatively be connected to the hot water pipe 31 or the hot water supply pipe 32 to receive the hot water in the hot water supply pipe 32 and directly inject into the beverage cup 22.
  • the beverage brewing mechanism with adjustable temperature and concentration provided by the invention also has a control panel 65 on the casing, which is provided with at least three manual control keys El, E2, E3 and at least four automatic control keys A1, A2, Bl, B2, Cl, C2, Dl, D2.
  • Each of the manual control keys El, E2, E3 allows the user to manually control the opening and closing of one of the brewing solenoid valve 30, the cold water solenoid valve 50, and the hot water solenoid valve 60, respectively.
  • Each of the automatic control keys A1, A2, Bl, B2, Cl, C2, D1, D2 can be preset, and the brewing solenoid valve 30, the cold water solenoid valve 50, and the hot water solenoid valve 60 are separately controlled in an automatic manner.
  • each automatic control key A1, A2, Bl, B2, Cl, C2, Dl, D2 can be preset by the manufacturer before leaving the factory, or by the user after leaving the factory Setting or changing the settings by yourself, the post-factory setting method is a well-known technology of circuit design, and will not be described here.
  • the brewing solenoid valve 30 is manually controlled by the user to control the amount of water discharged from the hot water for brewing.
  • the cold water solenoid valve 50 is manually controlled by the user to control the amount of water discharged from the cold water for filling.
  • E3 key The hot water solenoid valve 60 is manually controlled by the user to control the amount of water discharged from the hot water for filling.
  • A1 key It is preset to automatically control the brewing solenoid valve 30 to be turned on for one unit time to brew a single cup of rich drink such as 50 cc.
  • A2 button It is preset to automatically control the brewing solenoid valve 30 for two unit hours to brew a double cup of rich drink such as 100 cc.
  • the hot water solenoid valve 60 After being preset to automatically control the brewing solenoid valve 30 to be turned on for a period of time, the hot water solenoid valve 60 is automatically controlled to be turned on for a period of time to modulate, for example, 360 cc of the same temperature light drink (for example, brewing drink 80) Cc+ fills the same temperature hot water 280 cc).
  • the hot water solenoid valve 60 is automatically controlled to be turned on for a period of time to modulate, for example, a 360 cc iced drink (for example, a beverage cup 22 Set 220 cc ice cubes + brewing drink 80 cc + fill the same temperature hot water 60 cc ).
  • a 360 cc iced drink for example, a beverage cup 22 Set 220 cc ice cubes + brewing drink 80 cc + fill the same temperature hot water 60 cc ).
  • C1 key After being preset to automatically control the brewing solenoid valve 30 to be turned on for a period of time, the cold water solenoid valve 50 is automatically controlled to be turned on for a period of time to modulate a low-temperature light drink such as 360 cc (for example, brewing drink 80 cc+plus) Note cold water 280 cc ) 0
  • C2 key After being preset to automatically control the brewing solenoid valve 30 to be turned on for a period of time, the cold water solenoid valve 50 is automatically controlled to be turned on for a period of time to prepare a low-temperature light drink such as 500 cc (for example, brewing drink 120 cc+plus) Note cold water 380 cc).
  • a low-temperature light drink such as 500 cc (for example, brewing drink 120 cc+plus) Note cold water 380 cc).
  • D1 key It is preset to automatically control the brewing solenoid valve 30 to be turned on for a period of time, and then automatically control the hot water solenoid valve 60 to be turned on for a period of time, and finally automatically control the cold water solenoid valve 50 to be turned on for a period of time to modulate, for example, 360 cc.
  • Warm and light drinks eg 80 cc for brewing drinks + 200 cc for hot water and 80 cc for cold water).
  • D2 key It is preset to automatically control the brewing solenoid valve 30 to be turned on for a period of time, and then automatically control the hot water solenoid valve 60 to be turned on for a period of time, and finally automatically control the cold water solenoid valve 50 to be turned on for a period of time to modulate, for example, 500 cc.
  • Warm and light drinks eg 120 cc for brewing drinks + 260 cc for hot water and 120 cc for cold water).
  • Brewing beverage Please refer to Fig. 4, start the water supply pump 12 and the brewing solenoid valve 30 with the manual control key E1 or the automatic control keys A1, A2, and the cold water solenoid valve 50 and the hot water solenoid valve 60 remain closed. At this time, the external water source pumped by the water supply pump 12 flows into the hot water pipe 31 and the cold water pipe 35 through the water inlet pipe 17 in the direction of the arrow shown in FIG.
  • the water flowing into the hot water pipe 31 is heated to a set temperature of hot water via the heat exchanger 1 1 and flows into the brewing head 20 via the hot water supply pipe 32; the water flowing into the cold water pipe 35 is regulated by the cold water throttle valve 36
  • the brewing head 20 flows into the brewing head 20 via the cold water supply pipe 37; the hot water and the cold water are mixed in the brewing head 20 into a suitable temperature for the optimum brewing temperature, through the opened brewing solenoid valve 30, downward
  • the brewing into the follicle cup 21 in which the beverage ingredients are preset is carried out, and the beverage finally flows into the beverage cup 22 after brewing.
  • the hot water in the heat exchanger 11 has substantially a small amount of hot water flowing from the hot water return pipe 34 into the hot water preheating pipe 33 and then converging into the hot water supply pipe 32.
  • the water flowing into the hot water pipe 31 is heated to a set temperature of hot water via the heat exchanger 11, and flows into the brewing head 20 via the hot water supply pipe 32, and substantially, a small amount of hot water will flow into the heat from the heat exchanger 11.
  • the water return pipe 34 and the hot water preheating pipe 33 are recirculated into the hot water supply pipe 32, and the brewing electromagnetic valve 30 is closed, so that the hot water in the brewing head 20 directly flows into the cold water supply pipe 37;
  • the water flowing into the cold water pipe 35 is regulated to flow through the cold water throttle valve 36, flows into the cold water supply pipe 37, and is mixed with the hot water flowing out of the brewing head 20 to form a warm water flow at the same temperature as the brewing temperature, and is turned on.
  • the hot water solenoid valve 60 is directly injected into the beverage cup 22 from the hot water injection pipe 61 for reducing the concentration of the beverage without changing the temperature of the beverage.
  • Preheating cycle After all the above beverage preparation procedures are completed, the water supply pump 12, the brewing solenoid valve 30, the cold water solenoid valve 50 and the hot water solenoid valve 60 are all closed, and the hot water in the heat exchanger 11
  • the steam generated by the heat volatilization flows into the hot water preheating pipe 33 via the hot water pipe 31 in the direction of the arrow shown in FIG. 7, and exchanges heat with the brewing head 20 to make the brewing head 20 is preheated to a working temperature, and the condensed water after the heat exchange is returned to the heat exchanger 11 by the hot water return pipe 34 to form a preheating cycle.
  • the hot water I steam in the hot water pipe 31 does not substantially flow into the hot water supply pipe 32.
  • the cold water injection pipe 51 is further provided with a water injection throttle valve 52 for adjusting and setting the water injection flow rate of the cold water injection pipe 51.
  • the water injection throttle valve 52 can be constructed in common with the cold water solenoid valve 50 as shown in FIG.
  • the hot water injection pipe 61 is also provided with a water injection throttle valve (not shown), and the throttle valve 52 can also be a throttle joint of a suitable diameter.
  • the beverage brewing mechanism of the present invention is a suitable temperature water flow after the fixed temperature hot water and the cold water adjusted by the cold water throttle valve 36 are simultaneously supplied to the brewing head 20 to be mixed into an optimum brewing temperature. , enter the follicular cup 21 for brewing Drink.
  • This method of brewing with a mixed water stream can not only improve the working efficiency of the boiler, but also change the temperature of the mixed water stream by changing the preset flow rate of the cold water. Therefore, as shown in FIG. 9, when two sets of brewing units are provided in the beverage brewing mechanism, it is only necessary to preset that the cold water throttle valves 36, 36' in the two sets of brewing units have different valve opening degrees. Therefore, the brewing of the two groups of brewing units can have different brewing temperatures for the warm water flow, thereby achieving the purpose of brewing different kinds of beverages by the same beverage brewing mechanism.
  • the beverage brewing mechanism provided by the present invention may also omit the cold water injection pipe 51 and its control cold water solenoid valve 50, and the remaining components are the same as the beverage brewing mechanism shown in Fig. 1.
  • the beverage brewing mechanism shown in Fig. 10 has the above functions of brewing beverage, adding hot water, and preheating cycle.
  • the hot water solenoid valve 60' may be directly disposed on the hot water injection pipe as shown in FIG. On the brewing head 20'; at this time, the structure of the brewing head 20' is partially changed as shown in Figs. 12 and 13.
  • the brewing head 20' has a flow guiding seat 23, which can respectively receive the hot water supplied by the hot water supply pipe 32 and the cold water supplied by the cold water supply pipe 37, and the mixed warm water flows into the water supply passage 24;
  • the brewing solenoid valve 30' When the brewing solenoid valve 30' is opened and turned on, the warm water in the water supply passage 24 flows through the opened brewing solenoid valve 30' into the water outlet passage 25, and flows into the filter cup 21 for the beverage brewing process.
  • the above-described flow guiding seat 23, water supply passage 24, and water outlet passage 25 controlled by the brewing solenoid valve 30' are known as the inherent structure of the brewing head.
  • the present invention is characterized in that a water supply passage 26 is additionally connected from the water supply passage 24, and a water injection passage 27 connected to the hot water injection pipe 6 is provided.
  • the water supply passage 26 and the water injection passage 27 are directly disposed.
  • the hot water solenoid valve 60' on the brewing head 20' controls whether it is turned on or not.
  • the solenoid valve 60' is a two-position two-position solenoid valve.
  • the beverage brewing mechanism shown in Figure 11 the cold water injection pipe and its control cold water solenoid valve can be omitted, and the remaining components are the same as the beverage brewing mechanism shown in Figure 11.
  • the beverage brewing mechanism shown in Fig. 14 has the above functions of brewing beverage, adding hot water, and preheating cycle.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Devices For Dispensing Beverages (AREA)

Description

可调整温度及浓度的饮料冲煮机构 技术领域
本发明是关于一种饮料冲煮机构， 特别是指一种可调整温度及浓度的饮料冲煮机构。 背景技术 说
饮料冲煮机构被运用于冲煮义式咖啡、 茶品或其它饮品。 如图 15 所示的公知饮料冲 煮机构， 主要包括有一供水泵浦 80、 一主锅炉 81、 一热交换器 82及一冲煮头 83。 利用该 供水泵浦 80供应外界水源至该主锅炉 81内， 并由一水位侦测器 84控制该供水泵浦 80及 锅炉进水电磁阀 95的启闭， 使主锅炉 81 内水位保持书于一设定范围内； 利用一蒸汽压力侦 测器 85控制一加热器 86的启闭， 用于对该主锅炉 81内的储水进行加热， 使其保持于一设 定的蒸汽压力范围（也即一设定温度范围）内。
进行饮料冲煮程序时， 该供水泵浦 80及一冲煮电磁阀 87被操作而启动， 将外界水源 经一冷水供应管 88， 依序经过一泄压单向阀 89及一流量计 90， 送入该穿过主锅炉 81的热 交换器 82内， 利用该主锅炉 81内的热水及蒸汽， 将热交换器 82内的外界水源加热成一热 水， 该热水水流再经由一热水供应管 91流入该冲煮头 83， 并通过被开启的冲煮电磁阀 87， 向下流入至一预置有待冲煮饮品材料的滤泡杯 92内进行冲煮， 冲煮后的冲煮液流出至一饮 料盛杯 94内； 当该流量计 90计量至一设定流量时， 实时关闭该冲煮电磁阀 87， 完成设定 流量的饮料冲煮程序。
当该公知饮料冲煮机构处于不进行饮料冲煮程序的待机阶段时， 该热交换器 82内的热 水因热挥发产生的蒸汽， 经由该热水供应管 91流入该冲煮头 83 内， 由于待机阶段时该冲 煮电磁阀 87呈关闭状态， 故该蒸汽水流与冲煮头 83进行热交换将该冲煮头 83预热至一工 作温度后， 蒸汽因与冲煮头 83热交换而变成凝结水， 凝结水由一回流管 93回流至该热交 换器 82内， 形成一预热循环。
上述公知饮料冲煮机构仅能供应单一温度的热水至冲煮头冲煮饮料， 其所制成的饮料 的温度及浓度均为一预设的固定值， 无法配合不同客户的个别需求， 调制不同温度及浓度 的饮料， 不符合多元化饮料市场的实际需求。
目前坊间的现作饮料业者通常是在完成冲煮的饮料中， 以人工方式额外添加热水、 冷 水及 /或冰块， 用于改变饮料的温度及浓度。 这种人工添加方式不但操作费时， 且无法维 持饮料的最佳质量及口感， 可能造成客户等候时间过久以及不满意饮料质量等问题。
另外， 例如咖啡、 茶等饮料所需的最佳冲煮温度通常高于客户的适饮温度。 如果将该 公知饮料冲煮机构所制成的饮料直接供应给客户时， 可能造成客户的口舌被意外烫伤的危 险。
另外， 不同种类的饮料 (例如咖啡、 绿茶、 红茶等）的最佳冲煮温度并不相同。 公知饮 料冲煮机构仅能供应单一温度的热水至其冲煮头进行冲煮， 因此仅能被预先设定为冲煮同 一种类的饮料， 可将之称为： "单品饮料冲煮机构"； 对于具有不同种类饮料市场需求的业 者而言， 即需增购多台不同设定的 "单品饮料冲煮机构"， 用于冲煮不同种类的饮料， 不但 增加业者的设备购置成本， 且有操作较不便以及设备嫁动率较低的缺点。 发明内容
本发明的目的即在于提供一种饮料冲煮机构， 其可依据至少一个预先设定值， 自动调 整冲煮后饮料的温度及浓度， 用于调制例如浓咖啡 (茶）、 淡咖啡 (茶）、 热咖啡 (茶）、 温咖 啡(茶）、 冰咖啡 (茶)等多种不同温度及不同浓度的饮料， 符合多元化饮料市场的实际需求。
本发明的另一目的是在于提供一种可调整温度及浓度的饮料冲煮机构， 其是在冲煮头 完成饮料冲煮程序后， 依据设定， 选择或不选择将设定容积的热水及 /或冷水， 在同一时 间或不同时间自动添加在冲煮后饮料内， 用于改变饮料的温度及浓度。 这种自动化添加方 式不但操作方便迅速， 且可以维持饮料的最佳质量及口感。
本发明的另一目的是在于提供一种可调整温度及浓度的饮料冲煮机构， 其是将固定温 度的热水以及可预先设定流量的冷水同时供应至冲煮头， 使之混合成最佳冲煮温度的适温 水流后， 进入滤泡杯内冲煮饮料。 这种以混合水流进行冲煮的方式， 不但可以提高锅炉的 工作效率； 同时可通过改变冷水的预先设定流量， 改变混合水流的温度。 如果在该饮料冲 煮机构内设置二组不同冲煮温度的冲煮单元时， 即可实现以同一饮料冲煮机构冲煮不同种 类饮料的目的。 因此， 业者得以减少其设备购置成本， 还有操作方便以及设备嫁动率高等 优点。
本发明的又一目的是在于提供一种可调整温度及浓度的饮料冲煮机构， 其还提供一预 热循环流路， 可以确保该冲煮头的预热效果。
可达成上述发明目的的可调整温度及浓度的饮料冲煮机构， 包括有： 一用于接收及储 存外界水源的锅炉； 至少一个加热器， 用于对该锅炉内的储水进行加热， 使该锅炉内的储 水保持于一设定温度范围内； 一用于冲煮饮料的冲煮头； 一连接外界水源的入水管； 一连 接至该入水管的热水管， 其通过一设置于该锅炉内的热交换器， 将通过该热水管的水流加 热至一设定温度， 该热水管末端分为一热水供应管及一热水预热管； 一通过该冲煮头而与 该热水预热管连通的热水回流管， 其并连通至该热交换器； 一连接至该入水管的冷水管， 其通过一冷水节流阀而与一冷水供应管连通， 该冷水供应管通过该冲煮头而与该热水供应 管连通； 一设置于该冲煮头上的冲煮电磁阀， 其被控制开启时， 将该热水供应管供应的热 水以及该冷水供应管供应的冷水， 由该冲煮头引导流入一滤泡杯内冲煮饮料， 冲煮后饮料 流出至一饮料杯内； 一可将冷水直接注入该饮料杯内的冷水注水管， 其是由一冷水电磁阀 控制其启闭； 以及一可将热水直接注入该饮料杯内的热水注水管， 其是由一热水电磁阀控 制其启闭。
在一较佳实施例中， 该冷水注水管是被连接至该冷水管， 以接收该冷水管内的冷水。 在一较佳实施例中， 该热水注水管是被连接至该冷水供应管， 以接收该热水供应管内 的热水及该冷水供应管内的冷水。
该饮料冲煮机构还包括有一控制面板， 其上设有至少三个手动控制键以及至少四个自 动控制键； 各手动控制键供以手动方式分别控制该冲煮电磁阀、 冷水电磁阀及热水电磁阀 中之一； 各自动控制键则可被预先设定， 并以自动方式分别控制该冲煮电磁阀、 冷水电磁 阀、 热水电磁阀及其组合。
在一较佳实施例中， 该饮料冲煮机构内同时设置有二组冲煮单元， 该二组冲煮单元中 的冷水节流阀分别具有不同的阀开度。
在一较佳实施例中， 该热水电磁阀是被设置于该热水注水管上。
在一较佳实施例中， 该热水电磁阀是被设置于该冲煮头上； 且该冲煮头包括有一导流 座， 可分别接收由该热水供应管供应的热水及由该冷水供应管供应的冷水， 混合后的适温 水流流入一供水通道内； 当该冲煮电磁阀被开启而导通时， 该供水通道内的适温水流经开 启的冲煮电磁阀进入一出水通道内， 并流入该滤泡杯内进行饮料冲煮程序； 该供水通道另 外连通一供水歧道， 且于该冲煮头内设置有一连接至该热水注水管的注水通道， 该供水歧 道与注水通道间， 是由该热水电磁阀控制导通。 附图说明
图 1 为本发明可调整温度及浓度的饮料冲煮机构第一实施例的结构示意图； 图 2 为图 1 所示饮料冲煮机构的俯视图；
图 3 为图 1 所示饮料冲煮机构中控制面板的示意图；
图 4 为图 1 所示饮料冲煮机构在进行冲煮饮料程序时的水流方向示意图； 图 5 为图 1 所示饮料冲煮机构在进行加注热水程序时的水流方向示意图； 图 6 为图 1 所示饮料冲煮机构在进行加注冷水程序时的水流方向示意图; 图 7 为图 1 所示饮料冲煮机构在进行预热循环时的水流方向示意图； 图 8 为图 1 所示饮料冲煮机构中注水节流阀的立体视图；
图 9 为该可调整温度及浓度的饮料冲煮机构第二实施例的结构示意图； 图 10 为该可调整温度及浓度的饮料冲煮机构第三实施例的结构示意图； 图 11 为该可调整温度及浓度的饮料冲煮机构第四实施例的结构示意图； 图 12 为图 11 所示饮料冲煮机构中冲煮头的部分剖面放大视图； 图 13 近似于图 12 ， 但其剖面方向不同；
图 14 为该可调整温度及浓度的饮料冲煮机构第五实施例的结构示意图； 图 15 为公知饮料冲煮机构的结构示意图。
【主要组件符号说明】
10 锅炉 11 热交换器
12 供水泵浦 13 水位侦测器
14 进水电磁阀 15 蒸汽压力侦测器
16 加热器 17 入水管
18 泄压单向阀 19 流量计
20、 20， 冲煮头 21 滤泡杯
22 饮料杯 23 导流座
24 供水通道 25 出水通道
26 供水歧道 27 注水通道
30、 30， 冲煮电磁阀 31 热水管
32 热水供应管 33 热水预热管
34 热水回流管 35 冷水管
36、 36， 冷水节流阀 37 冷水供应管
50 冷水电磁阀 51 冷水注水管
52 注水节流阀 60、 60， 热水电磁阀
61、 6 热水注水管 65 控制面板
80 供水泵浦 81 主锅炉
82 热交换器 83 冲煮头
84 水位侦测器 85 蒸汽压力侦测器
86 加热器 87 冲煮电磁阀 88 冷水供应管 89 泄压单向阀
90 流量计 91 热水供应管
92 滤泡杯 93 回流管
94 饮料盛杯 95 进水电磁阀 具体实施方式
请同时参阅图 1 及图 2 ， 本发明所提供的可调整温度及浓度的饮料冲煮机构， 主要 包括有： 一提供热源的锅炉 10及热交换器 11、 一用于冲煮饮料的冲煮头 20、 一包括冷水 供应及热水供应的冲煮流路及其控制用的冲煮电磁阀 30、一供预热该冲煮头 20的预热循环 流路、一直接将冷水注入冲煮后饮料内的冷水注水管 51及其控制用冷水电磁阀 50、一直接 将热水注入冲煮后饮料内的热水注水管 61及其控制用的热水电磁阀 60等。
其中， 当进行饮料冲煮程序时， 开启该冲煮电磁阀 30及供水泵浦 12， 使冲煮流路内的 冷水及热水同时由该冲煮头 20流入至一预置饮料食材的滤泡杯 21 内， 冲煮后饮料流入至 一饮料杯 22内。 完成饮料冲煮程序后， 如预先选择降低饮料浓度但不降低饮料温度时， 则 以预先设定方式自动开启该热水电磁阀 60及供水泵浦 12，使热水注水流路内的等温热水直 接注入该饮料杯 22内。 完成饮料冲煮程序后， 如预先选择同时降低饮料浓度及温度时， 则 以预先设定方式自动开启该冷水电磁阀 50及供水泵浦 12，使冷水注水流路内的冷水直接注 入该饮料杯 22内； 该冷水电磁阀 50及热水电磁阀 60也可被选择分别先后开启或只开启其 中一组电磁阀。 当完成上述的饮料冲煮程序及 /或自动加注冷水及 I或热水等饮料制备程 序后， 上述三个电磁阀 30、 50、 60及供水泵浦 12均被关闭， 此时热水因压差而由该预热 循环流路流经该冲煮头 20， 与之进行热交换使冲煮头 20 被预热后， 热水流回该热交换器 11。 上述的饮料冲煮程序、 冲煮后自动加注冷水及 /或热水、 预热循环等程序， 将于后文 中进一步说明。
本发明是利用一供水泵浦 12供应外界水源至该锅炉 10内， 并由一水位侦测器 13控制 该供水泵浦 12及一进水电磁阀 14的启闭， 使锅炉 10内水位保持于一设定范围内； 利用一 蒸汽压力侦测器 15控制一加热器 16的启闭， 用于对该锅炉 10内的储水进行加热， 使其保 持于一设定的蒸汽压力范围（也即一设定温度范围）内。
该供水泵浦 12还连接有一入水管 17， 当该供水泵浦 12被起动时， 将外界水源泵送至 该入水管 17内。入水管 17上依序设置有一泄压单向阀 18及一流量计 19， 其末端则分别连 接至一热水管 31以及一冷水管 35。
其中， 该热水管 31通过该设置于锅炉 10内的热交换器 11， 将通过该热水管 31的水流 加热至一设定温度， 该热水管 31末端分为一热水供应管 32及一热水预热管 33。 该热水预 热管 33通过该冲煮头 20而与一热水回流管 34连通， 热水回流管 34的末端连通至该热交 换器 11。
该热交换器 11可为如图所示的双子锅式热交换器， 也可选用单子锅或其它型式的热交 换器。
该冷水管 35则通过一冷水节流阀 36而与一冷水供应管 37连通， 该冷水供应管 37通 过该冲煮头 20而与该热水供应管 32连通。
上述冲煮电磁阀 30是被设置于该冲煮头 20上， 其可为三口二位式电磁阀， 当其被控 制开启时， 将该热水供应管 32供应的热水以及该冷水供应管 37供应的冷水， 由该冲煮头 20引导流入滤泡杯 21内冲煮饮料， 冲煮后饮料流出至饮料杯 22内。
上述冷水注水管 51可如图 1所示被连接至该冷水管 35，以接收该冷水管 35内的冷水； 也可选择被连接至该入水管 17或供水泵浦 12， 用于将冷水直接注入饮料杯 22内。
上述热水注水管 61可如图 1 所示被连接至该冷水供应管 37， 以接收该热水供应管 32 内的热水及该冷水供应管 37 内的冷水， 用于将混合后适温热水直接注入饮料杯 22 内。 另 夕卜， 该热水注水管 61也可选择被连接至该热水管 31或热水供应管 32， 藉以接收该热水供 应管 32内的热水， 并直接注入饮料杯 22内。
本发明提供的可调整温度及浓度的饮料冲煮机构， 还在机壳上设置有一控制面板 65， 其上设有至少三个手动控制键 El、 E2、 E3以及至少四个自动控制键 Al、 A2、 Bl、 B2、 Cl、 C2、 Dl、 D2。 每一手动控制键 El、 E2、 E3供使用者以手动方式分别控制该冲煮电磁阀 30、 冷水电磁阀 50、 热水电磁阀 60中之一的启闭。 每一自动控制键 Al、 A2、 Bl、 B2、 Cl、 C2、 Dl、 D2则可被预先设定， 而以自动方式分别控制该冲煮电磁阀 30、 冷水电磁阀 50、 热水电 磁阀 60及其任意组合的启闭； 各自动控制键 Al、 A2、 Bl、 B2、 Cl、 C2、 Dl、 D2的预先设 定方式， 可由制造业者在出厂前预先设定， 或由使用者在出厂后自行设定或变更设定， 其 出厂后设定方法， 是属电路设计的公知技术， 恕不赘述。
以下举一例说明各手动控制键 El、 E2、 E3及自动控制键 Al、 A2、 Bl、 B2、 Cl、 C2、 Dl、
D2的动作流程：
El键： 由使用者以手动方式控制该冲煮电磁阀 30， 用于控制冲煮用的热水的出水量。
E2键： 由使用者以手动方式控制该冷水电磁阀 50， 用于控制加注用的冷水的出水量。
E3键： 由使用者以手动方式控制该热水电磁阀 60， 用于控制加注用的热水的出水量。
A1键： 经预先设定为自动控制该冲煮电磁阀 30开启一单位时间， 以冲煮例如 50 cc的 单杯浓饮品。 A2键： 经预先设定为自动控制该冲煮电磁阀 30开启二个单位时间， 以冲煮例如 100 cc 的双杯浓饮品。
B1键： 经预先设定为自动控制该冲煮电磁阀 30开启一段时间后， 再自动控制该热水电 磁阀 60开启一段时间， 以调制例如 360 cc的同温淡饮品 （例如冲煮饮品 80 cc+加注同温热 水 280 cc )。
B2键： 经预先设定为自动控制该冲煮电磁阀 30开启一段时间后， 再自动控制该热水电 磁阀 60开启一段时间， 以调制例如 360 cc的冰淡饮品 （例如饮料杯 22内预置 220 cc冰块 + 冲煮饮品 80 cc+加注同温热水 60 cc )。
C1键： 经预先设定为自动控制该冲煮电磁阀 30开启一段时间后， 再自动控制该冷水电 磁阀 50开启一段时间，以调制例如 360 cc的低温淡饮品（例如冲煮饮品 80 cc+加注冷水 280 cc ) 0
C2键： 经预先设定为自动控制该冲煮电磁阀 30开启一段时间后， 再自动控制该冷水电 磁阀 50开启一段时间， 以调制例如 500 cc的低温淡饮品 （例如冲煮饮品 120 cc+加注冷水 380 cc )。
D1键： 经预先设定为自动控制该冲煮电磁阀 30开启一段时间， 再自动控制该热水电磁 阀 60开启一段时间， 最后自动控制该冷水电磁阀 50开启一段时间， 以调制例如 360 cc的 温热淡饮品 （例如冲煮饮品 80 cc+加注同温热水 200 cc+加注冷水 80 cc )。
D2键： 经预先设定为自动控制该冲煮电磁阀 30开启一段时间， 再自动控制该热水电磁 阀 60开启一段时间， 最后自动控制该冷水电磁阀 50开启一段时间， 以调制例如 500 cc的 温热淡饮品 （例如冲煮饮品 120 cc+加注同温热水 260 cc+加注冷水 120 cc )。
以下配合图 4 至图 7 ， 说明本发明的冲煮、 加注热水、 加注冷水、 加注温水及预热 循环等程序：
一、 冲煮饮料： 请参阅图 4 ， 以手动控制键 E1或自动控制键 Al、 A2， 启动该供水泵 浦 12及冲煮电磁阀 30， 而冷水电磁阀 50及热水电磁阀 60保持关闭； 此时， 由供水泵浦 12泵送的外界水源， 依图 4所示箭头方向， 经入水管 17分别流入热水管 31及冷水管 35。 流入热水管 31的水流经由热交换器 1 1被加热成一设定温度的热水， 并经由热水供应管 32 流入该冲煮头 20 ; 流入冷水管 35的水流经由冷水节流阀 36调节流量后， 经由冷水供应管 37流入该冲煮头 20 ; 热水及冷水在该冲煮头 20 内混合成最佳冲煮温度的适温水流， 通过 被开启的冲煮电磁阀 30， 向下流入至预置有饮料食材的滤泡杯 21内进行冲煮， 冲煮后饮料 最后流入该饮料杯 22 内。 另外需要说明， 热交换器 11 内的热水实质上有少量热水由热水 回流管 34流入该热水预热管 33内再汇流至热水供应管 32内。 二、 加注热水： 完成饮料冲煮程序后， 如选择直接于饮料内加注热水时， 则以手动控 制键 E3或在冲煮时选择自动控制键 Bl、 B2， 启动该供水泵浦 12及热水电磁阀 60， 而冲煮 电磁阀 30及冷水电磁阀 50则保持或被关闭； 此时， 由供水泵浦 12泵送的外界水源， 依图 5所示箭头方向， 经入水管 17分别流入热水管 31及冷水管 35。 流入热水管 31的水流经由 热交换器 11被加热成一设定温度的热水， 并经由热水供应管 32流入该冲煮头 20， 实质上， 少量热水将由热交换器 11流入该热水回流管 34、 热水预热管 33内再汇流至热水供应管 32 内， 因该冲煮电磁阀 30被关闭， 使冲煮头 20内的热水直接流入该冷水供应管 37内； 流入 冷水管 35的水流经由冷水节流阀 36调节流量后，流入冷水供应管 37内并与由该冲煮头 20 流出的热水混合成与冲煮温度同温的适温水流， 通过被开启的热水电磁阀 60， 自该热水注 水管 61直接注入该饮料杯 22内， 用于降低饮料的浓度， 但不改变饮料的温度。
三、 加注冷水： 完成饮料冲煮程序后， 如选择直接在饮料内加注冷水时， 则以手动控 制键 E2或在冲煮时选择自动控制键 Cl、 C2， 启动该供水泵浦 12及冷水电磁阀 50， 而冲煮 电磁阀 30及热水电磁阀 60则保持或被关闭； 此时， 由供水泵浦 12泵送的外界水源， 依图 6 所示箭头方向， 经入水管 17流入冷水管 35， 通过被开启的冷水电磁阀 50， 自该冷水注 水管 51直接注入该饮料杯 22 内， 用于同时降低饮料的浓度及温度。 另外需要说明， 在加 注冷水过程中， 由于冲煮电磁阀 30及热水电磁阀 60均被关闭， 因此热水管 31、 热水供应 管 32及冷水供应管 37内， 实质上并无水流流动。
四、 加注温水： 依上述加注热水及加注冷水程序， 分别将热水及冷水直接注入该饮料 杯 22内， 用于同时降低饮料的浓度及温度。
五、 预热循环： 当完成上述所有的饮料制备程序后， 供水泵浦 12、 冲煮电磁阀 30、 冷 水电磁阀 50及热水电磁阀 60均被关闭， 该热交换器 11内的热水因热挥发产生的蒸汽， 依 图 7 所示箭头方向， 经由该热水管 31流入该热水预热管 33内， 并于通过该冲煮头 20时 与之热交换， 使该冲煮头 20被预热至一工作温度， 热交换后的凝结水由热水回流管 34回 流至该热交换器 11内， 形成一预热循环。 另外需要说明， 在预热循环过程中， 由于冲煮电 磁阀 30被关闭， 因此热水管 31内的热水 I蒸汽实质上并不流入该热水供应管 32内。
请参阅图 8 ， 上述冷水注水管 51上进一步设有一注水节流阀 52， 用以调整及设定该 冷水注水管 51的注水流量。 该注水节流阀 52可如图 8所示与该冷水电磁阀 50共体构成。 同理， 该热水注水管 61上也设置有一注水节流阀（图未标示）， 该节流阀 52也可为适当孔 径的节流接头。
本发明的饮料冲煮机构， 是将固定温度的热水以及经由冷水节流阀 36调整流量后的冷 水， 同时供应至冲煮头 20， 使之混合成最佳冲煮温度的适温水流后， 进入滤泡杯 21内冲煮 饮料。 此种以混合水流进行冲煮的方式， 不但可以提高锅炉的工作效率； 同时可通过改变 冷水的预先设定流量， 改变混合水流的温度。 因此， 如图 9所示， 在该饮料冲煮机构内设 置二组冲煮单元时， 仅需预先设定该二组冲煮单元中冷水节流阀 36、 36 ' 具有不同的阀开 度时， 即可使二组冲煮单元的冲煮用适温水流具有不同的冲煮温度， 从而实现以同一饮料 冲煮机构冲煮不同种类饮料的目的。
请参阅图 10 ， 本发明所提供的饮料冲煮机构， 也可省略冷水注水管 51及其控制用冷 水电磁阀 50， 其余构件则与图 1所示饮料冲煮机构相同。 图 10所示饮料冲煮机构具有上 述冲煮饮料、 加注热水及预热循环等功能。
请同时参阅图 11 至图 13 ， 本发明所提供的饮料冲煮机构另一实施例， 也可将热水 电磁阀 60 ' 由如图 1 所示直接设置于热水注水管上， 变更为设置于冲煮头 20 ' 上； 此时， 冲煮头 20 ' 的结构则如图 12 及图 13 所示随之作部分变更。 该冲煮头 20 ' 具有一导流座 23， 可分别接收由热水供应管 32供应的热水及由冷水供应管 37供应的冷水， 混合后的适 温水流流入供水通道 24内； 当该冲煮电磁阀 30 ' 被开启而导通时， 供水通道 24内的适温 水流经开启的冲煮电磁阀 30 ' 进入出水通道 25内，并流入滤泡杯 21内进行饮料冲煮程序。 上述的导流座 23、 供水通道 24及被冲煮电磁阀 30 ' 控制导通的出水通道 25， 是公知冲煮 头的固有结构。 本发明的特征， 是自该供水通道 24另外连通一供水歧道 26， 另外设置有一 连接至热水注水管 6 的注水通道 27， 该供水歧道 26与注水通道 27间， 则由该直接设置 于冲煮头 20 ' 上的热水电磁阀 60 ' 控制导通与否， 该电磁阀 60 ' 为二口二位电磁阀。
请参阅图 14 ， 如图 11 所示的饮料冲煮机构， 也可省略冷水注水管及其控制用冷水 电磁阀， 其余构件则与图 11 所示饮料冲煮机构相同。 图 14 所示饮料冲煮机构具有上述 冲煮饮料、 加注热水及预热循环等功能。

Claims

权 利 要 求 书
1. 一种可调整温度及浓度的饮料冲煮机构， 其特征在于， 包括：
一用于接收及储存外界水源的锅炉；
至少一个加热器， 用于对该锅炉内的储水进行加热， 使该锅炉内的储水保持于一设 定温度范围内；
一用于冲煮饮料的冲煮头；
一连接外界水源的入水管；
一连接至该入水管的热水管， 其通过一设置于该锅炉内的热交换器， 将通过该热水 管的水流加热至一设定温度， 该热水管末端分为一热水供应管及一热水预热管；
一通过该冲煮头而与该热水预热管连通的热水回流管， 其并连通至该热交换器； 一连接至该入水管的冷水管， 其通过一冷水节流阀而与一冷水供应管连通， 该冷水 供应管通过该冲煮头而与该热水供应管连通；
一设置于该冲煮头上的冲煮电磁阀， 其被控制开启时， 将该热水供应管供应的热水 以及该冷水供应管供应的冷水， 由该冲煮头引导流入一滤泡杯内冲煮饮料， 冲煮后饮料 流出至一饮料杯内；
一可将冷水直接注入该饮料杯内的冷水注水管， 其是由一冷水电磁阀控制其启闭； 以及
一可将热水直接注入该饮料杯内的热水注水管，其是由一热水电磁阀控制其启闭者。
2. 根据权利要求 1所述的可调整温度及浓度的饮料冲煮机构， 其特征在于， 其中该 冷水注水管是被连接至该冷水管， 以接收该冷水管内的冷水。
3. 根据权利要求 1所述的可调整温度及浓度的饮料冲煮机构， 其特征在于， 其中该 热水注水管是被连接至该冷水供应管， 以接收该热水供应管内的热水及该冷水供应管内 的冷水。
4. 根据权利要求 1所述的可调整温度及浓度的饮料冲煮机构， 其特征在于， 还包括 有一控制面板， 其上设有至少三个手动控制键以及至少四个自动控制键； 各手动控制键 供以手动方式分别控制该冲煮电磁阀、 冷水电磁阀及热水电磁阀中之一； 各自动控制键 则可被预先设定， 并以自动方式分别控制该冲煮电磁阀、 冷水电磁阀、 热水电磁阀及其 组合。
5. 根据权利要求 1所述的可调整温度及浓度的饮料冲煮机构， 其特征在于， 其中该 饮料冲煮机构内同时设置有二组冲煮单元， 该二组冲煮单元中的冷水节流阀分别具有不 同的阀开度。
6. 根据权利要求 1所述的可调整温度及浓度的饮料冲煮机构， 其特征在于， 其中该 热水电磁阀是被设置于该热水注水管上。
7. 根据权利要求 1所述的可调整温度及浓度的饮料冲煮机构， 其特征在于， 其中该 热水电磁阀是被设置于该冲煮头上； 且该冲煮头包括有一导流座， 可分别接收由该热水 供应管供应的热水及由该冷水供应管供应的冷水，混合后的适温水流流入一供水通道内； 当该冲煮电磁阀被开启而导通时， 该供水通道内的适温水流经开启的冲煮电磁阀进入一 出水通道内， 并流入该滤泡杯内进行饮料冲煮程序； 该供水通道另外连通一供水歧道， 且于该冲煮头内设置有一连接至该热水注水管的注水通道， 该供水歧道与注水通道间， 是由该热水电磁阀控制导通。
PCT/CN2010/071885 2010-04-19 2010-04-19 可调整温度及浓度的饮料冲煮机构 WO2011130903A1 (zh)

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