WO2011006291A1 - 可调温饮品冲煮装置 - Google Patents

可调温饮品冲煮装置 Download PDF

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Publication number
WO2011006291A1
WO2011006291A1 PCT/CN2009/072759 CN2009072759W WO2011006291A1 WO 2011006291 A1 WO2011006291 A1 WO 2011006291A1 CN 2009072759 W CN2009072759 W CN 2009072759W WO 2011006291 A1 WO2011006291 A1 WO 2011006291A1
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WO
WIPO (PCT)
Prior art keywords
brewing
heat exchanger
hot water
unit
temperature
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Application number
PCT/CN2009/072759
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English (en)
French (fr)
Inventor
刘宗熹
Original Assignee
吉诺工业有限公司
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 吉诺工业有限公司 filed Critical 吉诺工业有限公司
Priority to CN200980000068A priority Critical patent/CN101677716A/zh
Priority to PCT/CN2009/072759 priority patent/WO2011006291A1/zh
Publication of WO2011006291A1 publication Critical patent/WO2011006291A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/54Water boiling vessels in beverage making machines
    • A47J31/542Continuous-flow heaters
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/54Water boiling vessels in beverage making machines
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/54Water boiling vessels in beverage making machines
    • A47J31/56Water boiling vessels in beverage making machines having water-level controls; having temperature controls

Definitions

  • Adjustable temperature beverage brewing device
  • the invention relates to the field of brewing mechanism, in particular to a temperature-adjustable beverage brewing device. Background technique
  • a conventional conventional brewing apparatus such as the Chinese Patent No. 1212385 previously filed by the inventor, includes: a pump having a water inlet for entering cold water; a cold water pipe assembly, one end of the cold water pipe assembly Connected to the pump; a water pipe, one end of the water pipe is connected to the pump; a heat source device having a heating tank communicating with the water pipe, and a heater located in the heating tank;
  • the heat exchange unit has a heat exchange unit disposed in the heating tank of the heat source unit and has an accommodation space; a feed pipe, one end of the feed pipe is disposed at the heat exchanger and the cold water pipe Between the components, and communicating with one end of the accommodating space of the heat exchange unit of the heat exchanger; a hot water pipe, one end of the hot water pipe is connected to the heat exchanger, and the heat exchange unit with the heat exchanger The other end of the accommodating space is connected; a brewing unit is connected to the other end of the hot water pipe for extracting water from the hot water pipe, and extracting and preparing the
  • part of the cold water enters the heat exchanger through the feed pipe for heat exchange, is heated into hot water, and then is input to the brewing unit via the hot water pipe, and another part of the cold water is adjusted to an appropriate flow rate by the temperature regulating unit.
  • the brewing temperature in the brewing unit is appropriately adjusted by cold and hot water, and has the effect of stably adjusting the temperature.
  • the preheating of the brewing head is the thermal cycle principle of using the heat to go up and down, so that the steam generated by the heat evaporation in the heat exchanger passes through the heat.
  • the water pipe is input to the brewing head, and is cooled into condensed water in the brewing head, and then returned to the heat exchanger through the temperature regulating unit and the feed pipe, thereby causing the throttle valve of the temperature regulating unit to restrict the flow into the brewing head.
  • the amount of steam preheated, Insufficient preheating which causes the brewing water temperature to be affected by insufficient preheating of the brewing head when the beverage is brewed after standby, thereby affecting the taste of the beverage;
  • the inventors finally developed and designed a temperature-adjustable beverage brewing device provided by the present invention, so that the brewing device has no need to repeat Continuous heat exchange or hot and cold water mixing can have the effect of stably adjusting the temperature, and can control the preheating temperature of the brewing head to make the brewing temperature more stable.
  • An object of the present invention is to provide a temperature-adjustable beverage brewing device for adjusting the temperature of the hot water entering the brewing unit by adjusting the amount of cold water input into the brewing unit through the temperature regulating unit, thereby achieving control Warm purpose.
  • Another object of the present invention is to provide a temperature-adjustable beverage brewing device for continuously circulating heat between a brewing head and a heat exchanger by steam which is thermally evaporated, thereby allowing the brewing head to reach a predetermined pre-heating Thermal effect.
  • the present invention provides a temperature-adjustable beverage brewing apparatus comprising a heat source device, a feed water pump, a first heat exchanger, a second heat exchanger, a cold water pipe assembly, a brewing unit, and a a temperature regulating unit, a first hot water shunt tube, a second hot water shunt tube, and a return pipe; wherein the feed water pump is connected to the heat source device through a water pipe; and a heater in the heat source device Cooling water input to the feed water pump is heated to a set temperature; the first heat exchanger is connected to the second heat exchanger, the first heat exchanger is disposed in the heat source device, and is connected to the feed water pump; The second heat exchanger is disposed in the heat source device and is connected to the first heat exchanger, and the feed water pump can sequentially deliver the input cold water to the first heat exchanger and the second heat exchanger, and Performing heat exchange with the heat source device; one end of the cold water pipe assembly is connected to the water pipe
  • a small portion flows into the brewing head through the hot water hole of the brewing head, and a small portion of the condensed water that has been thermally evaporated to the heat is returned to the second heat exchanger via the temperature regulating unit.
  • Heat exchange so repeatedly, the steam is continuously circulated between the brewing head and the heat exchanger, so that the brewing head can be continuously heated to achieve a predetermined warm-up effect; and the brewing head preheats the front end of the return hole Installed
  • the flow unit can adjust the return flow of the brewing head to control the preheating temperature of the brewing head.
  • the adjustable temperature beverage brewing device for brewing coffee, tea or other beverage provided by the embodiment of the invention has the advantages of enhancing heat exchange efficiency, accurately controlling the brewing water temperature, and enabling the brewing head to reach A beverage brewing device with a predetermined warm-up effect, the beverage brewing device can control the preheating temperature of the brewing head, and is simple to operate.
  • FIG. 1 is a perspective view of a temperature-adjustable brewing apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing the flow of water when brewing coffee and tea products in the temperature-adjustable brewing device according to an embodiment of the present invention
  • FIG. 3 is a schematic view showing the flow of water when the brewing head of the temperature-adjustable brewing device according to the embodiment of the present invention is preheated;
  • FIG. 4 is another perspective view of a temperature-adjustable brewing apparatus according to an embodiment of the present invention
  • FIG. 5 is a schematic structural view of a part of a temperature-adjustable brewing apparatus according to an embodiment of the present invention. Description of the symbols in the figure:
  • the temperature-adjustable beverage brewing device for brewing coffee, tea or other beverage provided by the embodiment of the invention has the advantages of enhancing heat exchange efficiency, accurately controlling the brewing water temperature, and making the brewing head A beverage brewing device that achieves a predetermined warm-up effect, the beverage brewing device can control the preheating temperature of the brewing head, and is simple to operate.
  • the temperature-adjustable beverage brewing device 1 of the present invention can adjust the brewing temperature of water entering the brewing unit, and can also adjust the return water flow rate, and the brewing head can reach a predetermined warm-up.
  • the device comprises a water pump 10, a heat source device 20, a first heat exchanger 31, a second heat exchanger 32, a cold water pipe assembly 40, a brewing unit 50, a temperature regulating unit 60, and a
  • the first hot water shunt pipe 70, a second hot water shunt pipe 71, and a return pipe 80 are formed.
  • the feed water pump 10 is connected to the heat source device 20 through a water pipe 11 having a water inlet, so that the feed water pump 10 can transfer the input cold water to the heat source device 20 via the water pipe 11; and the heat source device 20
  • a heater 21 is provided to heat the cold water input from the feed water pump 10 to a predetermined temperature; the first heat exchanger 31 and the second heat exchanger 32 are connected to each other and disposed in the heat source unit 20, the heating tank
  • the water in 22 is generally heated to 1 to 1.2 bar, and the hot water below the water level in the heating tank 22 and the steam above the water level indirectly heat the first heat exchanger 31 and the second heat exchanger 32.
  • the cold water pipe assembly 40 is connected to the water supply pipe 11 of the water pump 10 through an inlet pipe 41, and the other end is connected to the input end 311 of the first heat exchanger 31 through an outlet pipe 43.
  • the feed water pump 10 can simultaneously transfer the input cold water to the first heat exchanger 31 and the second heat exchanger 32 via the cold water pipe assembly 40, perform heat exchange, and heat the hot water;
  • the brewing unit 50 passes through a The output end of the hot water pipe 51 and the second heat exchanger 32
  • the 321 is connected so that the hot water heated by the first heat exchanger 31 and the second heat exchanger 32 can be sent to the brewing unit 50 via the hot water pipe 51;
  • the temperature regulating unit 60 is end-to-end
  • the cooking unit 50 is connected to the other end, and the other end is connected to the water outlet pipe 43 of the cold water pipe assembly 40 through a feeding pipe 61, so that cold water in the cold water pipe assembly 40 can be sent to the brewing unit 50 via the temperature regulating unit 60.
  • the hot water and the cold water are mixed into a water temperature suitable for brewing; the first hot water shunt pipe 70 and the second hot water shunt pipe 71 are disposed between the brewing unit 50 and the hot water pipe 51, wherein the first The hot water flow pipe 70 is connected to the hot water pipe 51, the other end is connected to the brewing unit 50, and the second hot water shunt pipe 71 is connected to the end of the hot water pipe 51.
  • One end is connected to the inlet end of the preheating return hole of the brewing unit 50; the return end 80-end is connected to the outlet end of the preheating return hole of the brewing unit 50, and the other end is connected to the second heat exchanger
  • Another output end 323 of 32 is connected to The condensed water formed by the heat of the steam flowing through the brewing head is taken up, and the condensed water is guided back to the second heat exchanger 32.
  • a brewing solenoid valve 52 and a feed water pump 10 provided in the brewing unit 50 are turned on, so that the feed water pump is turned on. 10, the cold water is sent, wherein the cold water passes through the water outlet pipe 43. Due to the current limiting function of the temperature regulating unit 60, only a proper amount of cold water flows into the brewing unit 50 through the temperature regulating unit 60, and another portion of the cold water flows into the first heat exchanger 31.
  • the hot water that has been heat exchanged in the upper portion of the first heat exchanger 31 is input into the second heat exchanger 32, and the hot water is outputted from the upper output end 321 and the lower output end 323 of the second heat exchanger 32.
  • the water flows into the brewing unit 50 through the output end 321 of the second heat exchanger 32, the hot water pipe 51, and the first hot water shunt tube 70, and the other part of the hot water passes through the second heat exchanger 32 in sequence.
  • the other output end 323 and the return pipe 80 flow into the brewing unit 50.
  • the cold water in the cold water pipe assembly 40 is restricted by the temperature regulating unit 60, and only the appropriate flow of cold water is sent to the brewing unit 50 to adjust the flushing. Boil the water, and then Proper temperature for brewing beverages
  • the brewing solenoid valve 52 will remain closed due to the closing of the brewing solenoid valve 52 and the limitation of the temperature regulating unit 60.
  • the steam generated by the thermal evaporation at the upper end of the second heat exchanger 32 flows into the hot water hole of the brewing head 53 through the first hot water shunt pipe 70, and is mostly branched to the second hot water shunt pipe 71.
  • the second hot water shunt tube 71 flows into the preheating return hole of the brewing head 53, that is, sequentially through the output end 321 of the second heat exchanger 32, the hot water pipe 51, and the second hot water shunt tube 71.
  • the refluxing water is returned to the first heat exchanger 31 and the second heat exchanger via the return pipe 80 and the feed pipe 61.
  • the heat exchange is performed in 32, so that the steam is continuously circulated between the brewing head 53, the first heat exchanger 31 and the second heat exchanger 32, so that the brewing head 53 is continuously heated to reach a predetermined state. Preheating effect and purpose.
  • one end of the water supply pipe 11 of the feed water pump 10 is connected to the output end of the feed water pump 10, and the other end is connected to a heating tank 22 of the heat source device 20, so that the feed water pump 10 can be
  • the input cold water is sent to the heating tank 22 of the heat source device 20 via the water pipe 11;
  • the water pipe 11 is provided with a solenoid valve 111, and
  • the water tank 22 is provided with a water level sensor 26 for detecting the water level in the heating tank 22.
  • the steerable solenoid valve 111 is in an open state, so that the feed water pump 10 can input cold water into the heating tank 22.
  • a pressure controller 23 is connected to the heating tank 22 of the heat source device 20, and the pressure controller 23 can detect the vapor pressure of the steam space above the water level of the heating tank 22 to control the starting or closing of the heater 21; when the vapor pressure is lower than the predetermined At the time of the value, the pressure controller 23 activates the heater 21 to be heated; when the vapor pressure reaches a predetermined value, the pressure controller 23 turns off the heater 21, and the heater 21 stops heating, so that the temperature of the water in the heating tank 22 can be maintained. Within the predetermined temperature range.
  • a safety valve 24 is disposed above the heating tank 22 for discharging excessive pressure of steam in the heating tank 22.
  • the pressure controller 23 fails and the heater 21 cannot be normally shut down, the steam pressure inside the heating tank 22 is excessively high.
  • the steam can push the outlet of the safety valve 24 to output excessive pressure steam from the outlet;
  • the heating tank 22 is further provided with an exhaust valve 25 for discharging the cold air before the heating tank 22 is not heated.
  • the opening of the exhaust valve 25 is in an open state, and when the heating tank 22 starts heating, the air that is expanded by the heating above the heating tank 22 can be discharged.
  • the gas valve 25 is discharged.
  • the exhaust valve 25 When the water in the heating tank 22 is heated to generate steam and reaches a proper steam pressure, the exhaust valve 25 is in a closed state; the bottom of the heating tank 22 is provided with a drain pipe 27, and the drain pipe 27 is provided.
  • a switch is provided to enable the heating tank 22 to open the switch when the water needs to be drained, so that the water in the heating tank 22 is discharged through the drain pipe 27, and after the drain is completed, the switch is closed. Switch, so that the groove 22 may be further heated water.
  • the cold water pipe assembly 40 is provided with a one-way pressure relief valve 42 and a flow meter 44, wherein the one-way pressure relief valve 42 prevents reverse flow of cold water, and the thermal expansion steam pressure in the first heat exchanger 31 and the second heat exchanger 32 When it is too large, part of the water is discharged through the one-way pressure relief valve 42; and the flow meter 44 can measure the water flow through the cold water pipe assembly 40 to control the water pump 10 and the brewing solenoid valve 52 through the calculated water flow rate. Turning on or off, so that the number of brewed milliliters (cc) per cup is precisely controlled.
  • the brewing unit 50 is disposed between the hot water pipe 51 and the temperature regulating unit 60.
  • the brewing unit 50 has a brewing solenoid valve 52 and a brewing head 53, so that the hot water from the hot water pipe 51 and the temperature regulating unit are After mixing, the cold water of 60 can be discharged through the brewing unit 50 to a filter bowl (not shown) connected below the brewing head 53 to extract and prepare a desired drink.
  • the temperature regulating unit 60 can be at least one throttle assembly 601 having a flow channel that can adjust the flow rate to limit the flow of cold water, and the cold water input by the feed water pump 10 via the cold water pipe assembly 40, only the appropriate flow rate via
  • the outlet pipe 43 enters the first heat exchanger 31 and the second heat exchanger 32 for heat exchange, is heated to hot water, and then is input to the brewing unit 50 by the hot water pipe 51; and the other part of the cold water passes through the cold water.
  • the feed pipe 61 is input to the brewing unit 50 to adjust the temperature of the water entering the brewing unit 50,
  • the cold water is allowed to enter the brewing unit 50 in an appropriate proportion and mixed with hot water to a temperature suitable for brewing water;
  • the throttling assembly 601 can be a throttle joint or a throttle valve.
  • the first hot water shunt tube 70 is provided with a throttle assembly 100 having a flow path adjustable to limit hot water.
  • the flow rate thereby allowing proper flow of hot water to enter the brewing unit 50;
  • the throttling device 100 can be a throttle joint or a throttle.
  • the second hot water shunt tube 71 is provided with a throttle assembly 101 having a flow-adjustable passage to restrict the flow of steam, thereby allowing steam of an appropriate flow rate to enter the preheating return orifice of the brewing unit 50.
  • the preheating of the brewing head 53 is controlled to a suitable temperature; the throttle assembly 101 can be a throttle joint or a throttle valve.
  • the temperature regulating unit 60 has two sets of throttling components 91A, 91B, a thermostat 92A, a manifold 92B, and two sets of solenoid valves 93A, 93B.
  • the temperature regulating tube 92A and the manifold 92B are connected in parallel with each other, and are disposed between the brewing unit 50 and the cold water feeding tube 61.
  • the two throttle units 91A and 91B are respectively disposed on the temperature regulating tube 92A.
  • the manifold 92B is configured to adjust the flow rate of the liquid in the temperature regulating tube 92A and the manifold 92B; and the two sets of electromagnetic valves 93A and 93B are respectively disposed on the temperature regulating tube 92A and the manifold 92B.
  • the two sets of throttling assemblies 91A, 91B are interposed between the brewing unit 50; the throttling assemblies 91A, 91B can be throttle joints or throttle valves.
  • throttle valves 91A, 91B there are two sets of throttle valves 91A, 91B and two sets of solenoid valves 93A, 93B.
  • one of the solenoid valves 93A is normally open, and partial condensate can be used in standby mode.
  • the return flow reaches the purpose of preheating the relevant mechanism, and the other set of solenoid valves 93B are normally closed, and the two sets of throttle valves 91 A, 91B are each adjusted to an appropriate state, so that the temperature regulating tube 92A and the The flow of cold water in manifold 92B is controlled to an appropriate ratio such that the water ultimately entering the brewing unit 50 has a different temperature to brew beverages of different temperature requirements, such as 95 ° C for brewing. Black tea, coffee, and 85 ° C are available for brewing green tea.
  • 93A, 93B remain unactivated (ie, closed), cold water enters the brewing unit 50 via the normally open solenoid valve 93A, and is mixed with hot water from the hot water pipe 51 to 95 ° C water for supply. Brewing the beverage; when the temperature-adjustable beverage brewing device of the present invention is set to 85 °C, the two sets of solenoid valves 93A, 93B are activated, the normally open solenoid valve 93A is closed, and the normally closed electromagnetic The valve 93B will be in an open state, at which time cold water will enter the brewing unit 50 and the hot water is mixed into water at 85 ° C through the normally closed solenoid valve 93B. For brewing drinks.

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

Description

可调温饮品冲煮装置 技术领域
本发明涉及冲煮机构领域, 特别涉及一种可调温饮品冲煮装置。 背景技术
一般传统的冲煮装置, 如发明人先前所申请的中国专利证书号第 1212385 号, 其包括有: 一泵, 该泵具有一供冷水进入的入水口; 一冷水管组件, 该冷 水管组件一端与该泵相连接; 一输水管, 该输水管一端与该泵相连接; 一热源 装置, 其具有一与该输水管连通的加热槽, 以及一位于该加热槽内的加热器; 一热交换器, 其具有一热交换单元, 该热交换单元设于该热源装置的加热槽内, 并且具有一容置空间; 一进给管, 该进给管一端设于该热交换器与该冷水管组 件之间, 并且与该热交换器的热交换单元的容置空间一端相连通; 一热水管, 该热水管一端与该热交换器相接, 并且与该热交换器的热交换单元的容置空间 的另一端相连通; 一冲煮单元, 该冲煮单元与该热水管另一端相接, 用以利用 热水管流入的水, 进行萃取并制得所需的饮品; 一调温单元, 该调温单元设于 该冲煮单元与冷水管组件之间, 用以将由冷水管组件另一端流出的水引流至冲 煮单元, 用以调整进入冲煮单元内的水的温度。
使用时, 部份冷水单向通过进给管进入热交换器中进行热交换, 加热成热 水后, 再经由热水管输入冲煮单元, 另一部分冷水经调温单元调整为适当的流 量, 流入冲煮单元, 使冲煮单元中的冲煮温度经冷、 热水的适当调整, 具有稳 定调节温度的功效。
发明人在实现本发明的过程中, 发现上述现有技术至少存在以下缺点和不 足:
该传统的冲煮装置虽具有稳定调节温度的功能, 但是, 其冲煮头的预热是 利用热往上冷往下的热循环原理, 使该热交换器中热蒸发产生的蒸汽, 经由热 水管输入至冲煮头, 并于冲煮头中散热成凝结水后, 再经由调温单元、 进给管 回流至该热交换器, 导致调温单元的节流阀会限制流入冲煮头预热的蒸汽量, 使预热不足, 造成在待机后冲煮饮品时因冲煮头预热不足而影响冲煮水温, 进 而影响饮品的萃取口感;
为弥补冲煮头预热不足的缺点, 则需要在冲煮饮品前先将温度不足的前段 水放出, 但这样做又会造成操作上的不便。 发明内容
鉴于上述传统的冲煮机构仍然存在若干缺点及不便性, 发明人经过长久努 力研究与实验, 终于开发设计出本发明提供的一种可调温饮品冲煮装置, 使该 冲煮装置具有无需重复连续地进行热交换或冷热水混合的动作, 即可具有稳定 调节温度的功效, 并且可控制冲煮头的预热温度, 使冲煮温度更加稳定。
本发明的一个目的, 是提供一种可调温饮品冲煮装置, 以通过调温单元调 整进水泵输入冲煮单元的冷水量, 来调整进入冲煮单元内的热水的温度, 从而 达到控温的目的。
本发明的另一目的, 是提供一种可调温饮品冲煮装置, 以通过热蒸发的蒸 汽不断地在冲煮头、 热交换器之间进行热循环, 从而使冲煮头达到预定的预热 效果。
根据上述目的, 本发明提供的可调温饮品冲煮装置, 包括一热源装置、 一 进水泵、 一第一热交换器、 一第二热交换器、 一冷水管组件、 一冲煮单元、 一 调温单元、 第一热水分流管、 一第二热水分流管、 以及一回流管; 其中, 该进 水泵通过一输水管与该热源装置相接; 而该热源装置中的一加热器, 会将进水 泵输入的冷水加热至设定的温度; 该第一热交换器与该第二热交换器相连接, 该第一热交换器设于热源装置中, 并与该进水泵相连接; 该第二热交换器设于 该热源装置中, 并与该第一热交换器相连接, 该进水泵可将输入的冷水依次输 送至该第一热交换器及第二热交换器中, 并与该热源装置进行热交换; 冷水管 组件一端通过一进水管与该进水泵的输水管相接, 另一端则通过一出水管与该 第一热交换器的输入端相接; 该冲煮单元通过一热水管与该第二热交换器的输 出端相接, 另一端与该进水泵相连接, 用以分别接收冷水及热水以冲煮饮品; 该调温单元设于该冲煮单元与该进水泵之间, 一端与冲煮单元相接, 另一端则 通过一进给管与该冷水管组件的出水管相接, 用以调整进入该冲煮单元内的冷 水流量; 该冲煮电磁阀设于该冲煮单元上, 用以开启和关闭由该第二热交换器 输入该冲煮单元的热水以及由该进水泵输入该冲煮单元的冷水, 从而混合成适 当温度的热水; 该第一热水分流管、 第二热水分流管设于该冲煮单元与该第二 热交换器的热水管之间, 其中该第一热水分流管一端与该第二热交换器的热水 管相连接, 另一端则与该冲煮单元相连接, 而该第二热水分流管的一端与该第 二热交换器的热水管末端相连接, 另一端则与该冲煮单元的预热回流孔入口端 相连接; 该回流管一端与冲煮单元的预热回流孔出口端相连接, 另一端则与该 第二热交换器的另一输出端相连接, 用以承接该冲煮头中蒸汽经过热挥发后形 成的凝结水, 并将此凝结水引导回流至该二热交换器中; 当进行冲煮热饮时, 该冲煮单元的冲煮电磁阀将开启, 使第一热水分流管将经由第一热交换器、 第 二热交换器热交换完成的热水, 引导流入冲煮单元中; 同时, 冷水管组件中的 冷水可经由该调温单元传送至该冲煮单元中, 调整冲煮水温, 从而能以适当温 度进行冲煮热饮; 当待机进行冲煮单元的冲煮头的预热时, 该冲煮电磁阀将保 持关闭, 利用热往上冷往下的热循环原理, 令该第二热交换器上端热蒸发的蒸 汽因冲煮电磁阀的关闭及调温单元的流量限制, 大部份被分流至第二热水分流 管, 并经由第二热水分流管输送至冲煮头的预热回流孔, 在冲煮头中散热成凝 结水后, 再经由回流管回流至该二热交换器中, 较小部份经由冲煮头的热水孔 流入冲煮头, 经热挥发散热的小部份凝结水经由调温单元回流至该第二热交换 器中, 进行热交换, 如此反复, 蒸气不断地在冲煮头、 热交换器之间进行循环, 使得冲煮头可以被持续加温, 从而达到预定的预热效果; 同时该冲煮头预热回 流孔前端装设的一节流单元可调整冲煮头的回水流量, 达到控制冲煮头预热温 度的目的。
有益效果:
本发明实施例提供的用于冲煮咖啡、 茶品或其他饮料的可调温饮品冲煮装 置, 是一种具有可加强热交换效率, 较准确控制冲煮水温, 并可使冲煮头达到 预定的预热效果的饮品冲煮装置, 该饮品冲煮装置可以控制冲煮头的预热温度, 并且操作简单。 附图说明
为了更清楚地说明本发明实施例的技术方案, 下面将对实施例描述中所需 要使用的附图作一简单地介绍, 显而易见地, 下面描述中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是本发明实施例提供的可调温冲煮装置的立体外观图;
图 2是本发明实施例提供的可调温冲煮装置的冲煮咖啡、 茶品时水的流向 示意图;
图 3是本发明实施例提供的可调温冲煮装置的预热冲煮头时水的流向示意 图;
图 4是本发明实施例提供的可调温冲煮装置的另一种立体外观图; 图 5是本发明实施例提供的可调温冲煮装置的部分组件的结构示意图。 图中符号的说明:
1可调温饮品冲煮装置;
10进水泵、 11输水管;
100节流组件、 101节流组件;
111电磁阀;
20热源装置、 21加热器、 22加热槽、 23压力控制器、 24安全阀、 25排气 阀、 26水位传感器、 27排水管;
31第一热交换器、 32第二热交换器;
311第一热交换器的输入端;
321第二热交换器的上输出端、 323第二热交换器的下输出端;
40冷水管组件、 41进水管、 42单向泄压阀、 43出水管、 44流量计;
50冲煮单元、 51热水管、 52冲煮电磁阀、 53冲煮头;
60调温单元、 61进给管;
70第一热水分流管、 71第二热水分流管;
80回流管;
91A节流组件、 91B节流组件;
92A调温管、 92B歧管;
93 A电磁阀、 93B电磁阀。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本发明 实施方式作进一步地详细描述。
本发明实施例提供的用于冲煮咖啡、 茶品或其他饮料的可调温饮品冲煮装 置, 是一种具有可加强热交换效率, 较准确控制冲煮水温, 并可使其冲煮头达 到预定的预热效果的饮品冲煮装置, 该饮品冲煮装置可以控制冲煮头的预热温 度, 并且操作简单。
参见图 1所示, 本发明提供的可调温饮品冲煮装置 1 , 可调整进入冲煮单元 内的水的冲煮温度, 还可调整回水流量, 并使冲煮头达到预定的预热效果, 该 装置由一进水泵 10、 一热源装置 20、 一第一热交换器 31、 一第二热交换器 32、 一冷水管组件 40、 一冲煮单元 50、 一调温单元 60、 一第一热水分流管 70、 一 第二热水分流管 71 , 以及一回流管 80构成。
该进水泵 10通过一输水管 11与热源装置 20相接, 该进水泵 10具有一入 水口, 使进水泵 10可将输入的冷水经由输水管 11传送至热源装置 20中; 而该 热源装置 20中所设的一加热器 21 , 会将进水泵 10输入的冷水加热至预定的温 度; 该第一热交换器 31、 第二热交换器 32相连接, 并设于热源装置 20中, 加 热槽 22内的水一般被加热至 1 ~ 1.2巴尔 ( bar ) , 加热槽 22内水位以下的热水及 水位以上的蒸汽对第一热交换器 31及第二热交换器 32进行间接的加热, 进行 热交换; 该冷水管组件 40—端通过一进水管 41与该进水泵 10的输水管 11相 接, 另一端则通过一出水管 43与该第一热交换器 31的输入端 311相接, 令进 水泵 10可同时将输入的冷水经由该冷水管组件 40传送至该第一热交换器 31、 第二热交换器 32中, 进行热交换, 加热成热水; 该冲煮单元 50通过一热水管 51与第二热交换器 32的输出端 321相连接, 使得经由该第一热交换器 31、 第 二热交换器 32加热完成的热水, 可经由热水管 51输送至该冲煮单元 50中; 该 调温单元 60—端与冲煮单元 50相接, 另一端则通过一进给管 61与该冷水管组 件 40的出水管 43相连接, 令冷水管组件 40中的冷水可经由该调温单元 60传 送至该冲煮单元 50中, 热水与冷水混合成适合冲煮的水温; 该第一热水分流管 70、 第二热水分流管 71设于该冲煮单元 50与该热水管 51之间, 其中该第一热 水分流管 70—端与该热水管 51相连接, 另一端则与该冲煮单元 50相连接, 而 该第二热水分流管 71 —端与该热水管 51末端相连接, 另一端则与该冲煮单元 50的之预热回流孔入口端相连接; 该回流管 80—端与冲煮单元 50的预热回流 孔出口端相连接, 另一端则与该第二热交换器 32的另一输出端 323相接, 用以 承接流经该冲煮头的蒸汽经散热后形成的凝结水, 并将此凝结水引导回流至该 第二热交换器 32中。
根据上述构件的组成, 请参见图 2所示, 当进行冲煮咖啡、 茶品等饮品时, 该冲煮单元 50所设的一冲煮电磁阀 52及进水泵 10将开启, 使该进水泵 10传 送冷水, 其中冷水经过出水管 43 , 因调温单元 60的限流功能, 只有适量的冷水 经调温单元 60流入冲煮单元 50,另一部份冷水则流入该第一热交换器 31底部, 将第一热交换器 31上部已热交换完成的热水输入第二热交换器 32中, 并由第 二热交换器 32的上输出端 321及下输出端 323输出热水, 即热水依次经由第二 热交换器 32的输出端 321、 该热水管 51、 第一热水分流管 70流入冲煮单元 50 中, 另一部份热水则依次经由第二热交换器 32的另一输出端 323、 回水管 80流 入冲煮单元 50中, 同时, 冷水管组件 40中的冷水经由该调温单元 60的限流, 只有适当流量的冷水传送至该冲煮单元 50中调整冲煮水温, 进而以适当的温度 进行饮品的冲煮
请参见图 3所示, 当待机后进行冲煮单元 50的冲煮头 53的预热时, 该冲 煮电磁阀 52将保持关闭, 因冲煮电磁阀 52的关闭以及调温单元 60的限流, 第 二热交换器 32上端热蒸发产生的蒸汽, 小部份经第一热水分流管 70流入冲煮 头 53 的热水孔, 而大部份则分流至第二热水分流管 71 , 经该第二热水分流管 71流入冲煮头 53的预热回流孔, 即依次经由该第二热交换器 32的输出端 321、 该热水管 51、 第二热水分流管 71输送至该冲煮头 53的预热回流孔中, 在冲煮 头 53中散热形成凝结水后, 再经由回流管 80及进给管 61回流至该第一热交换 器 31、 第二热交换器 32中进行热交换, 如此, 蒸气不断地在冲煮头 53、 第一 热交换器 31与第二热交换器 32之间进行循环, 以令冲煮头 53被持续加温, 从 而达到预定的预热效果及目的。
请再次参见图 1所示, 该进水泵 10的输水管 11的一端与进水泵 10的输出 端相连接, 另一端则与该热源装置 20的一加热槽 22相接, 令进水泵 10可将输 入的冷水经由输水管 11传送至热源装置 20的加热槽 22中; 该输水管 11上设 置有一电磁阀 111 , 该加热槽 22 中设有一水位传感器 26, 用以检测加热槽 22 中的水位, 当水位不足时, 可操控电磁阀 111为开启状态, 使进水泵 10可输入 冷水至加热槽 22中, 当水位充足时, 则可操控电磁阀 111及进水泵 10为关闭 状态。 该热源装置 20的加热槽 22上方连接有一压力控制器 23 , 该压力控制器 23 可检测加热槽 22水位上方蒸汽空间的蒸气压力,用以控制启动或关闭加热器 21; 当蒸气压力低于预定值时, 该压力控制器 23将启动加热器 21进行加热; 当蒸 气压力到达预定值时, 该压力控制器 23关闭加热器 21 , 加热器 21停止加热, 使加热槽 22中的水温能维持一预定的温度范围内。
该加热槽 22上方设有一安全阀 24 ,用以排出加热槽 22中压力过大的蒸汽, 当压力控制器 23出现故障而无法正常关闭加热器 21 , 致使加热槽 22内部的蒸 汽压力过大时, 蒸汽可推开该安全阀 24的出口, 从而由该出口输出过大压力的 蒸汽; 该加热槽 22上方还设有一排气阀 25 , 用以排出加热槽 22上方未开机加 热前的冷空气, 当加热槽 22 刚开始加热而内部尚未产生蒸汽时, 该排气阀 25 的开口为开启状态, 在加热槽 22开始加热时, 可使加热槽 22上方的因被加热 而膨胀的空气由排气阀 25排出, 当加热槽 22 内的水被加热到产生蒸汽并达到 适当的蒸汽压力时, 该排气阀 25则为关闭状态; 该加热槽 22底部设有一排水 管 27 , 该排水管 27设有一开关, 使得加热槽 22在需要进行排水时, 可开启该 开关使加热槽 22中的水经由排水管 27排出, 完成排水后, 则关闭该开关, 使 该加热槽 22可再蓄水。
该冷水管组件 40设有一单向泄压阃 42及一流量计 44 , 其中该单向泄压阀 42可防止冷水逆流, 当第一热交换器 31、 第二热交换器 32中热膨胀蒸汽压力 过大时经由单向泄压阀 42排出部份的水减压; 而流量计 44可计量经冷水管组 件 40的水流量, 以通过计算的水流量, 操控进水泵 10及冲煮电磁阀 52的开启 或关闭, 从而使得每杯的冲煮毫升(cc )数得到精确的控制。
该冲煮单元 50设于热水管 51与调温单元 60之间, 该冲煮单元 50具有冲 煮电磁阀 52以及冲煮头 53 ,使得来自热水管 51的热水及来自调温单元 60的冷 水经过混合后, 可通过冲煮单元 50而流出至冲煮头 53下方连接的滤杯(图中 未示), 以萃取并制得所需的饮品。
该调温单元 60可为至少一个节流组件 601 , 该节流组件 601具有可调整流 量的通道, 以限制冷水的流量, 使进水泵 10经由冷水管组件 40输入的冷水, 只有适当的流量经由出水管 43进入该第一热交换器 31、 第二热交换器 32中进 行热交换,加热成热水后再由热水管 51输入冲煮单元 50; 而另一部份的冷水则 经由冷水进给管 61输入冲煮单元 50 , 从而调整进入冲煮单元 50内水的温度, 令冷水以一适当比例量进入冲煮单元 50中,与热水混合成适合冲煮的水的温度; 该节流组件 601可为节流接头或节流阀。
请参见图 4所示, 本发明另一较佳实施例中, 第一热水分流管 70上设有一 节流组件 100, 该节流组件 100具有可调整流量的通道, 以限制热水的流量, 从 而允许适当流量的热水进入该冲煮单元 50; 该节流装置 100可为节流接头或节 流阀。
第二热水分流管 71上设有一节流组件 101 , 该节流组件 101具有可调整流 量的通道, 以限制蒸汽的流量, 从而允许适当流量的蒸汽进入冲煮单元 50的预 热回流孔中, 进而控制冲煮头 53的预热达到适当的温度; 该节流组件 101可为 节流接头或节流阀。
请参见图 5所示, 本发明又一较佳实施例中, 该调温单元 60具有二组节流 组件 91A、 91B、 一调温管 92A、 一歧管 92B、 二组电磁阀 93A、 93B; 其中, 该调温管 92A、 歧管 92B相互并联连接, 并设于该冲煮单元 50与该冷水进给管 61之间; 该二节流组件 91A、 91B分别设于该调温管 92A与该歧管 92B上, 以 供调节该调温管 92A以及该歧管 92B内液体的流量; 而该二组电磁阀 93A、 93B 分别设于该调温管 92A与该歧管 92B上, 在二组节流组件 91A、 91B与该冲煮 单元 50之间; 该节流组件 91A、 91B可为节流接头或节流阀。
因此, 在本实施例中, 共计具有二组节流阀 91A、 91B与二组电磁阀 93A、 93B, 使用时, 其中一组的电磁阀 93A为常开型, 待机时可使部份凝结水回流达 到相关机构预热的目的,而另一组的电磁阀 93B为常闭型,而该二组节流阀 91 A、 91B各自被调整至适当的状态, 以使得该调温管 92A与该歧管 92B内冷水的流 量被控制为适当的比例, 从而使得最终进入该冲煮单元 50内的水具有不同的温 度, 从而来冲煮不同温度需求的饮品, 例如 95 °C可供用于冲煮红茶、 咖啡, 而 85 °C则可供用冲煮绿茶。
举例而言, 当本发明的可调温饮品冲煮装置设定为 95 °C时, 二组电磁阀
93A、 93B均保持未启动状态 (即关闭状态), 冷水会经由常开型的电磁阀 93A 进入该冲煮单元 50 , 与来自于热水管 51的热水混合成 95 °C的水以供冲煮饮品; 当本发明的可调温饮品冲煮装置设定为 85 °C时, 二组电磁阀 93A、 93B均被启 动, 该常开型的电磁阀 93A会关闭, 而常闭型电磁阀 93B会变为开启状态, 此 时冷水会通过常闭型电磁阀 93B而进入该冲煮单元 50与热水混合成 85 °C的水以 供冲煮饮品。
以上所述, 仅为本发明最佳具体实施例, 本发明的构造特征并不局限于此, 任何熟悉该项技艺的本领域普通技术人员在本发明领域内, 根据本发明实施例 可轻易获得的变化或修饰, 皆可涵盖在本发明的专利保护范围之内。

Claims

权 利 要 求 书
1、 一种可调温饮品冲煮装置, 其特征在于, 包括有:
一热源装置;
一进水泵;
一第一热交换器, 设于该热源装置中, 并与该进水泵相连接;
一第二热交换器, 设于该热源装置中, 并与该第一热交换器相连接, 该进 水泵可将输入的冷水依次输送至该第一热交换器及第二热交换器中, 并与该热 源装置进行热交换, 用以将冷水加热成热水;
一冲煮单元, 其一端与该第二热交换器相连接, 另一端与该进水泵相连接, 用以分别接收冷水及热水以冲煮饮品;
一调温单元, 设于该冲煮单元与该进水泵之间, 用以调整进入该冲煮单元 内的冷水流量;
一冲煮电磁阀, 设于该冲煮单元上, 用以开启和关闭由该第二热交换器输 入该冲煮单元的热水以及由该进水泵输入该冲煮单元的冷水, 从而混合成适当 温度的热水;
一第一热水分流管, 其一端与该第二热交换器相连接, 另一端连接至该冲 煮单元;
一第二热水分流管, 其一端与该第二热交换器相连接, 另一端连接至该冲 煮单元的预热回流孔;
一回流管, 其一端经由该冲煮单元的预热回流孔与该第二热水分流管相连 接, 另一端则与该第二热交换器相连接;
其中, 当该冲煮电磁阀开启时, 该第二热交换器输出的热水以及经由该调 温单元调整流量后的冷水混合成适当温度的热水, 经由该开启的冲煮电磁阀进 入该冲煮单元内部, 进行饮品的冲煮后输出至外界; 当该冲煮电磁阀关闭时, 该第二热交换器输出热蒸发的蒸汽经由第一热水分流管、 第二热水分流管, 分 流至该冲煮单元的预热回流孔及热水孔, 对该冲煮单元进行预热后因热挥发而 降温为凝结水, 凝结水经由该回流管流回至该第二热交换器及第一热交换器。
2、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该第一热水 分流管上设有一用于调整蒸汽热水流量的节流阀。
3、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该第一热水 分流管上设有一用于调整蒸汽热水流量的节流接头。
4、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该第二热水 分流管上设有一用于调整蒸汽热水流量的节流阀。
5、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该第二热水 分流管上设有一用于调整蒸汽热水流量的节流接头。
6、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该调温单元 具有二组节流组件、 一调温管、 一歧管及二组电磁阀; 其中, 该调温管、 歧管 相互并联连接, 设于该冲煮单元与冷水进给管之间; 该二组节流组件分别设于 该调温管与该歧管上, 用以分别调节该调温管以及该歧管内的液体流量; 该二 组电磁阀分别设于该调温管与该歧管上, 在该二组节流组件与该冲煮单元之间。
7、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该调温单元 为至少一个用于调节冷水流量的节流阀。
8、 根据权利要求 1所述的可调温饮品冲煮装置, 其特征在于, 该调温单元 为至少一个用于调节冷水流量的节流接头。
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