TWI819988B - Temperature alternating device for beverage hot water - Google Patents

Abstract

A temperature alternating device for beverage hot water includes a boiler, at least one heater, at least cool-water filling mechanism, at least one hot-water dispensing mechanism, and a load cell unit. The boiler includes a furnace, and a top cover disposed on a top end of the furnace. The top cover has an exhaust vent. The heater is disposed on the furnace of the boiler and is configured to heat the water in the boiler. The cool-water filling mechanism has a cool-water inlet end and a cool-water outlet end which is connected to a cool-water inlet tube. An outer diameter of the cool-water inlet tube is smaller than an inner diameter of the exhaust vent. One end of the cool-water is inserted in the exhaust vent. The cool-water filling mechanism can control a transmission of the cool water into the boiler. The hot-water dispensing mechanism has a hot-water inlet end and a hot-water outlet end. The hot-water inlet end is connected to the furnace of the boiler. The hot-water dispensing mechanism can control an output of hot water in the boiler. The load cell device includes a load seat and a load cell. The boiler and hot-water dispensing mechanism are disposed on a weighing end of the load cell. Thus, water intake and output of the boiler can be controlled precisely by weighing signals of the load cell, so as to provide a cooling function for hot brewing water.

Description

Beverage hot water temperature changing device

The invention relates to a beverage hot water temperature changing device, in particular to a beverage hot water temperature changing device capable of providing a cooling function for brewing hot water.

Coffee has become people's daily drink. Among them, hand-brewed caffeine can carry out different brewing procedures and temperatures according to the characteristics of the coffee beans. It can be brewed according to personal preferences and is very popular. In recent years, the brewing process has been further reduced. The temperature of the hot water for brewing can also present a unique flavor and taste. However, the only way to cool down the hot water for brewing is to manually adjust the temperature of the water. For example, if the brewing equipment is used in a commercial coffee shop, there is no appropriate equipment available.

The technical problem to be solved by the present invention is to provide a beverage hot water temperature changing device in view of the shortcomings of the existing technology, which can provide a cooling function for brewing hot water.

In order to solve the above technical problems, the present invention provides a beverage hot water temperature changing device, which includes: a boiler, the boiler has a furnace body, the upper end of the furnace body is provided with an upper cover, the upper cover is provided with an exhaust hole; at least one heater , the heater is arranged on the furnace body of the boiler and can be used to heat the water in the boiler; at least one cold water inlet mechanism has a cold water inlet end and a cold water outlet end, and the cold water outlet end The end is connected to one end of a cold water inlet pipe. The outer diameter of the cold water inlet pipe is smaller than the inner diameter of the exhaust hole. The other end of the cold water inlet pipe is inserted into the exhaust hole. The cold water inlet mechanism can control the cold water. Transported to the boiler; at least one hot water outlet mechanism, the hot water outlet mechanism has a hot water inlet end and a hot water outlet end, the hot water inlet end is connected to the furnace body of the boiler, so that the hot water The water outlet mechanism is connected to the boiler, and the hot water outlet mechanism can control the hot water output of the boiler; and a load cell device, which includes a load cell base and a load cell, and the load cell is fixed on the load cell base. On the other hand, one end of the load cell has a weighing end, and the boiler and the hot water outlet mechanism are arranged on the weighing end of the load cell and can be used for weighing.

The beneficial effect of the present invention is that the beverage hot water temperature changing device provided by the present invention includes a boiler, at least one heater, at least one cold water inlet mechanism, at least one hot water outlet mechanism, and a load cell device. The upper end of the furnace body of the boiler is provided with an upper cover, and the upper cover is provided with an exhaust hole. The heater is installed on the furnace body of the boiler. The cold water inlet mechanism has a cold water inlet end and a cold water outlet end. The cold water outlet end is connected to a cold water inlet pipe. The outer diameter of the cold water inlet pipe is smaller than the inner diameter of the exhaust hole. One end of the cold water inlet pipe is inserted into the exhaust hole, and the cold water inlet mechanism can control the delivery of cold water to the boiler. The hot water outlet mechanism has a hot water inlet end and a hot water outlet end. The hot water inlet end is connected to the furnace body of the boiler. The hot water outlet mechanism can control the hot water output of the boiler. The load cell device includes a load cell base and a load cell. The boiler and hot water outlet mechanism are installed at the weighing end of the load cell. As a result, the connected cold water inlet mechanism will not interfere with the weighing of the load cell device, so that the water inlet and outlet of the boiler can be accurately controlled based on the weighing signal of the load cell, and the hot water cooling function can be provided.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and illustration and are not used to limit the present invention.

The following is a description of the relevant implementation modes disclosed in the present invention through specific specific examples. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depictions based on actual dimensions, as is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the scope of the present invention. In addition, the term "or" used in this article shall include any one or combination of more of the associated listed items depending on the actual situation.

[First Embodiment]

Please refer to Figures 1 and 2. The present invention provides a beverage hot water temperature changing device. The present invention is designed for the cooling function of brewing hot water, but is not limited thereto. It can also be used for other beverages such as tea, flower and fruit tea, etc. The beverage The hot water temperature changing device includes a boiler 1, at least one heater 2, at least one cold water inlet mechanism 3, at least one hot water outlet mechanism 4 and a load cell device 5. Since the present invention is a temperature changing device and program for the hot water temperature in the beverage brewing process, the volume of the boiler 1 is the capacity for one brewing. The capacity for one brewing refers to the common 1 cup or 2 cups for each brewing process. Or the number of cups to be brewed by the device each time, that is, the volume of the boiler 1 of the device is the capacity of one brewing program. After each drink brewing is completed, the automatic control system automatically injects water to the set amount. If the volume of boiler 1 is greater than the capacity of one cup, the automatic control system can also execute the brewing procedure for one cup.

The boiler 1 has a furnace body 11, which can be used to hold water. The heater 2 is provided on the furnace body 11 of the boiler 1 and can be used to heat the water in the boiler 1. The invention does not limit its use. The type of heater 2. In this embodiment, the heater 2 is a bottom heater. It can also be a bottom heater or a thick film heater. The heater 2 can be disposed outside the bottom of the furnace body 11. . In addition, the heater 2 may also be a heating tube or the like provided in the furnace body 11 .

The furnace body 11 can also be provided with a first temperature controller 12 below the water level. The automatic control system turns on and off the heater 2 according to the temperature set by the first temperature controller 12. The furnace body 11 is located near the heater 2. An overheating detector 13 (or temperature protection switch) can also be provided. When the automatic control system fails and causes the heater 2 to heat beyond the set temperature by a set value, the power supply can be cut off to protect the safety of the equipment. The upper end of the furnace body 11 is provided with an upper cover 14. The upper cover 14 can be placed on the upper end of the furnace body 11. The releasable cover of the upper cover 14 is placed on the upper end of the furnace body 11. The upper cover 14 is fixed to the furnace body 11. You can also go up. The upper cover 14 is provided with an exhaust hole 15 so that the cold water inlet and the hot water outlet of the boiler 1 can be smooth. Preferably, the exhaust hole 15 is a round hole.

The cold water inlet mechanism 3 can be a solenoid valve or a water pump. The figure shows a solenoid valve. The cold water inlet mechanism 3 has a cold water inlet end 31 and a cold water outlet end 32. The cold water inlet end 31 can be connected to a water source. , the water source is a conventional device, so it is not shown in the figure. The cold water outlet end 32 is connected to one end of a cold water inlet pipe 33. Preferably, the cold water inlet pipe 33 is a round pipe, and the outer diameter D1 of the cold water inlet pipe 33 is smaller than the inner diameter D2 of the exhaust hole 15 (as shown in Figure 2 (as shown), the other end of the cold water inlet pipe 33 is inserted into the exhaust hole 15. The cold water inlet pipe 33 and the exhaust hole 15 can be assembled concentrically, so that the cold water inlet mechanism 3 does not interfere with the upper cover of the boiler 1 at all. The water level stored in the boiler 1 is preferably one distance below the outlet end of the cold water inlet pipe 33. The total internal volume of the boiler 1 needs to be greater than the hot water storage capacity, so that there is enough volume space to replenish cold water when performing the cooling procedure. .

The cold water inlet mechanism 3 can be connected to the boiler 1 through a cold water inlet pipe 33. The cold water inlet mechanism 3 can control the delivery of cold water into the boiler 1. The cold water inlet end 31 can be provided with a second temperature controller 6 for controlling Detect cold water temperature. The automatic control system detects the temperature of the incoming water, and the automatic control system opens and closes the cold water inlet mechanism 3 to execute the water inlet procedure of the boiler 1 according to the preset beverage brewing procedure.

The hot water outlet mechanism 4 can be a solenoid valve, etc. The hot water outlet mechanism 4 has a hot water inlet end 41 and a hot water outlet end 42. The hot water outlet mechanism 4 can be installed on a base 43. The support 43 is then locked on the bracket 55 . The hot water inlet 41 can be connected to the furnace body 11 of the boiler 1 through a hot water pipe 44, so that the hot water outlet mechanism 4 is connected to the boiler 1. The hot water outlet mechanism 4 can control the hot water output of the boiler 1 and automatically control it. The system opens and closes the hot water dispensing mechanism 4 according to the preset beverage brewing program to execute the brewing program.

The load cell device 5 includes a load cell base 51 and a load cell 52. The load cell 52 is also called a weight sensor. The load cell 52 is fixed on the load cell base 51. One end of the load cell 52 has a weighing end 521. , the boiler 1 and the hot water outlet mechanism 4 are installed at the weighing end 521 of the load cell 52 and can be used for weighing. A closed mechanism is formed on the weighing end 521 of the load cell 52. After assembly, the system automatically controls After the weight of the closed mechanism is reset to zero, the water inlet and outlet of the boiler 1 can be changed by the weight of the load cell 52, and the automatic control system executes the water inlet and beverage brewing procedures of the boiler 1.

In this embodiment, a gasket 53 can be disposed on the weighing end 521, and an upper protective frame 54 is disposed on the gasket 53, and the boiler 1 is locked to a bracket 55, and then the bracket 55 and the upper protective bracket 54 are installed. The frame 54 and the gasket 53 are fixed to the weighing end 521 of the load cell 52 by locking screws 57 or other means. The upper protective frame 54 has three vertical surfaces 541 , and the vertical surfaces 541 are spaced apart from the load cell 52 . A lower protective frame 56 is fixed on the load cell base 51. The lower protective frame 56 is in the shape of an inverted U. The upper protective frame 54 is located in the lower protective frame 56. The lower protective frame 56 and the upper protective frame 54 have a mutually non-interfering mechanism. The spacing ensures that the load cell 52 is not disturbed when performing the weighing procedure. When the bracket 55 moves downward a predetermined (overload) distance, one side (bottom side) of the bracket 55 can be positioned against one side (top side) of the lower protection frame 56 to provide overload protection.

In this embodiment, the upper portion of the lower protective frame 56 is provided with a through hole 561 , and the upper protective frame 54 is provided with a screw hole 542 corresponding to the through hole 561 . When the present invention needs to be transported or the relevant parts of the boiler 1 need to be disassembled and assembled, screws (not labeled) can be passed through the through holes 561 and locked in the screw holes 542 to fix the upper protective frame 54 and the lower protective frame 56 so that the load element The device 5 is stable and does not shake, thereby achieving the purpose of protecting the load cell 52.

The upper end of the boiler 1 of the present invention is provided with an exhaust hole 15. The outer diameter D1 of the cold water inlet pipe 33 is smaller than the inner diameter D2 of the exhaust hole 15. The cold water inlet pipe 33 and the exhaust hole 15 are assembled concentrically, so that the cold water inlet mechanism 3 is completely Without interfering with the upper cover 14 of the boiler 1, the load cell 52 can accurately execute the cold water inflow and hot water output by the automatic control system, thereby achieving the purpose of accurately executing the beverage brewing program.

The cold water inlet end 31 of the cold water inlet mechanism 3 can also be provided with a second temperature controller 6, and the automatic control system detects the temperature of the cold water when water enters. The hot water outlet of the boiler 1 is provided with a hot water outlet mechanism 4. The automatic control system opens and closes the hot water outlet mechanism 4 according to the brewing program set by the characteristics of the drink, and can be connected to the beverage brewing device with a hot water outlet pipe 45. The outlet end of the water outlet pipe 45 can also be provided with a sprinkler head, for example, so that the hot water can be sprayed evenly and over a large area on the beverage ingredients.

The automatic control system can set the heat according to the three detection data of the second temperature controller 6 of the cold water inlet 31, the first temperature controller 12 of the furnace body 11 of the boiler 1 and the weight of the load cell 52 and the predetermined brewing program. The cooling temperature of the water can be used to calculate the amount of cold water needed to cool down the water stored in the boiler 1 (number) to meet the cooling requirements during the beverage brewing process. If the temperature needs to be raised during the brewing process, the automatic control system only needs to turn on and off the heater 2. Achievable.

[Second Embodiment]

Please refer to Figure 3. In this embodiment, one end of the cold water inlet pipe 33 is connected to the cold water inlet mechanism 3 and the hot water inlet mechanism 10 with a tee. The hot water inlet mechanism 10 can be a solenoid valve, etc. The hot water inlet mechanism 10 can be connected to a hot water source, so it can deliver cold water to the boiler 1 through the cold water inlet mechanism 3, and can also deliver hot water to the boiler 1 through the hot water inlet mechanism 10. The hot water inlet mechanism 10 has A third temperature controller 7 can also be provided in the water inlet section. The brewing device used in beverage shops needs to produce more cups due to peak business hours. The beverage brewing mechanism may have multiple sets of brewing devices executing the brewing process at the same time. The water source of boiler 1 can be directly connected to an external water heater (not shown). To introduce hot water, the water heater is usually equipped with a hot water temperature controller to control the temperature of the water heater. The third temperature controller 7 at the hot water input end shown in the figure does not need to be installed. The hot water temperature of the water heater can be used to prepare drinks. The maximum temperature of the bubble. When the beverage brewing temperature is the same as the water storage temperature of Boiler 1, the automatic control system directly executes the beverage brewing program. If the beverage brewing temperature is lower than the water storage temperature of Boiler 1, the automatic control system depends on the water storage temperature of Boiler 1 and the cold water. The cold water replenishment amount is calculated based on the temperature, the water storage capacity of the boiler 1 and the beverage brewing set temperature. The automatic control system opens and closes the cold water inlet mechanism 3 to replenish an appropriate amount of cold water to reach the required brewing water temperature. If the boiler heater in this embodiment only has a heat preservation function, the heater can be equipped with a low-power heater. If the boiler 1 does not enter the water when the brewing program is completed, and then the water enters the boiler 1 again when the next brewing program is performed. No heater is required.

[Third Embodiment]

Please refer to Figure 4. This embodiment adds water manually and can be used in places without running water sources. A cold water tank 8 is provided. The cold water tank 8 can constitute a cold water inlet mechanism 3a. The cold water inlet end 31a and the cold water outlet end 32a are respectively Located at the upper end and lower end of the cold water tank 8. The water storage capacity of the cold water tank 8 is greater than the water storage capacity of the boiler 1. Open the upper cover 81 of the cold water tank 8 and manually add an appropriate amount of water. The automatic control system sets the water storage capacity according to the boiler 1. The load cell 52 can detect the opening and closing settings of the water storage capacity of the boiler 1. A water pump 9 between the cold water inlet pipe 33 and the cold water tank 8 delivers the water stored in the cold water tank 8 to the boiler 1. The cold water tank 8 may also be provided with a fourth temperature controller 40. The first temperature controller 12 of the boiler 1 turns on and off the heater 2 according to the set temperature. When the water stored in the boiler 1 needs to be cooled during the beverage brewing process, the automatic control system relies on the water temperature detected by the first temperature controller 12 of the boiler 1 and the fourth temperature controller 40 of the cold water tank 8 and the stored water carried by the load unit 52. Calculate the water volume of the cold water input from the cold water tank 8 to the boiler 1 based on the weight of the water and the temperature of the scheduled cooling.

[Fourth Embodiment]

Please refer to Figure 5. When performing the brewing process for beverage brewing, you may need to brew hot water with a small, medium or large amount of water to meet the various brewing program needs of various beverage craftsmen. The hot water outlet of the boiler 1 can A small water volume solenoid valve 20 and a medium water volume solenoid valve 30 are provided. The small water volume solenoid valve 20 and the medium water volume solenoid valve 30 form a hot water outlet mechanism. The small water volume solenoid valve 20 or the medium water volume solenoid valve 30 can be opened individually, or the small and medium water volume solenoid valves 20 and 30 can be opened simultaneously to combine into a large water volume, a total of three different water outputs.

[Fifth Embodiment]

Please refer to Figure 6. The hot water outlet can be a solenoid valve or a hot water pump. That is, the hot water outlet mechanism 4 can be a solenoid valve or a hot water pump. This embodiment is a hot water pump. The cold water end can also be a cold water pump or a hot water pump. .

[Sixth Embodiment]

Please refer to Figure 7. The hot water inlet end 41 of the hot water outlet mechanism 4 can be connected to the furnace body 11 of the boiler 1 with a hose 50. The hose 50 can be a food-grade temperature-resistant hose. Due to the physical properties of the hose 50 It is not rigid, so that the weight of the hot water outlet mechanism 4 will not affect the weight of the load cell 52. The boiler 1 is a closed mechanism. When the mechanism is assembled, the automatic control system will normalize the weight of the mechanism including the weight of the slight interference of the hose 50. zero.

[Beneficial effects of the embodiment]

The beneficial effect of the present invention is that the beverage hot water temperature changing device provided by the present invention includes a boiler, at least one heater, at least one cold water inlet mechanism, at least one hot water outlet mechanism, and a load cell device. The upper end of the furnace body of the boiler is provided with an upper cover, and the upper cover is provided with an exhaust hole. The heater is installed on the furnace body of the boiler. The cold water inlet mechanism has a cold water inlet end and a cold water outlet end. The cold water outlet end is connected to a cold water inlet pipe. The outer diameter of the cold water inlet pipe is smaller than the inner diameter of the exhaust hole. One end of the cold water inlet pipe is inserted into the exhaust hole, and the cold water inlet mechanism can control the delivery of cold water to the boiler. The hot water outlet mechanism has a hot water inlet end and a hot water outlet end. The hot water inlet end is connected to the furnace body of the boiler. The hot water outlet mechanism can control the hot water output of the boiler. The load cell device includes a load cell base and a load cell. The boiler and hot water outlet mechanism are installed at the weighing end of the load cell. As a result, the connected cold water inlet mechanism will not interfere with the weighing of the load cell device, so that the water inlet and outlet of the boiler can be accurately controlled based on the weighing signal of the load cell, and the hot water cooling function can be provided.

The contents disclosed above are only preferred and feasible embodiments of the present invention, and do not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: Boiler 11: Furnace body 12:First temperature controller 13: Overheating detector 14: Upper cover 15:Exhaust hole 2: Heater 3: Cold water inlet mechanism 31: Cold water inlet end 32:Cold water outlet 33:Cold water inlet pipe 3a: Cold water inlet mechanism 31a: Cold water inlet end 32a: Cold water outlet D1:Outer diameter D2:Inner diameter 4: Hot water outlet mechanism 41: Hot water inlet end 42: Hot water outlet 43:Bearing 44:Hot water pipe 45:Hot water outlet pipe 5: Load cell device 51: Load unit seat 52: Load cell 521:Weighing end 53:Gasket 54: Upper protective frame 541:Vertical plane 542:Screw hole 55:Bracket 56: Lower protection frame 561:Perforation 57:Screw 6: Second temperature controller 7:Third temperature controller 8:Cold sink 81: Upper cover 9:Water pump 10: Hot water inlet mechanism 20: Small water volume solenoid valve 30: Medium water volume solenoid valve 40: The fourth temperature controller 50:Hose

Figure 1 is a perspective view of a beverage hot water temperature changing device according to the first embodiment of the present invention.

Fig. 2 is an exploded perspective view of the beverage hot water temperature changing device according to the first embodiment of the present invention.

Figure 3 is a perspective view of a beverage hot water temperature changing device according to the second embodiment of the present invention.

Figure 4 is a perspective view of a beverage hot water temperature changing device according to the third embodiment of the present invention.

Figure 5 is a perspective view of a beverage hot water temperature changing device according to the fourth embodiment of the present invention.

Figure 6 is a perspective view of a beverage hot water temperature changing device according to the fifth embodiment of the present invention.

Figure 7 is a perspective view of a beverage hot water temperature changing device according to the sixth embodiment of the present invention.

1: Boiler

11: Furnace body

12:First temperature controller

13: Overheating detector

14: Upper cover

15:Exhaust hole

2: Heater

3: Cold water inlet mechanism

31: Cold water inlet end

32:Cold water outlet

33:Cold water inlet pipe

4: Hot water outlet mechanism

41: Hot water inlet end

42: Hot water outlet

43:Bearing

44:Hot water pipe

45:Hot water outlet pipe

5: Load cell device

51: Load unit seat

52: Load cell

54: Upper protective frame

55:Bracket

56: Lower protection frame

561:Perforation

6: Second temperature controller

Claims (8)

A beverage hot water temperature changing device includes: a boiler, the boiler has a furnace body, the upper end of the furnace body is provided with an upper cover, the upper cover is provided with an exhaust hole; at least one heater, the heater is arranged on the furnace of the boiler The body can be used to heat the water in the boiler; at least one cold water inlet mechanism has a cold water inlet end and a cold water outlet end, and the cold water outlet end is connected to one end of a cold water inlet pipe, The outer diameter of the cold water inlet pipe is smaller than the inner diameter of the exhaust hole. The other end of the cold water inlet pipe is inserted into the exhaust hole. The cold water inlet mechanism can control the delivery of cold water to the boiler; at least one hot water The hot water outlet mechanism has a hot water inlet end and a hot water outlet end. The hot water inlet end is connected to the furnace body of the boiler, so that the hot water outlet mechanism is connected to the boiler. The water outlet mechanism can control the hot water output of the boiler; and a load cell device. The load cell device includes a load cell base and a load cell. The load cell is fixed on the load cell base. One end of the load cell has a scale. At the heavy end, the boiler and the hot water outlet mechanism are arranged at the weighing end of the load cell and can be used for weighing; wherein the furnace body is provided with a first temperature controller, which can be controlled by the first temperature controller. The heater is turned on and off at the set temperature. The cold water inlet end of the cold water inlet mechanism is provided with a second temperature controller. According to the second temperature controller at the cold water inlet end, the first temperature of the furnace body of the boiler can be controlled. The three detection data of the weight of the device and the load cell scale and the preset cooling temperature of the brewing hot water are used to calculate the amount of cold water needed to cool down the water stored in the boiler to meet the cooling requirements during the beverage brewing process. The beverage hot water temperature changing device as described in claim 1, wherein the other part of the cold water inlet pipe One end is connected to the cold water inlet mechanism and a hot water inlet mechanism with a tee pipe, which can transport hot water to the boiler through the hot water inlet mechanism. The water inlet section of the hot water inlet mechanism is provided with a third temperature control device. The beverage hot water temperature changing device as described in claim 1, wherein a gasket is provided on the weighing end, an upper protective frame is provided on the gasket, the boiler is locked to a bracket, the bracket, the upper protective frame and The gasket is fixed on the weighing end of the load cell. The upper protective frame has three vertical surfaces. The vertical surfaces are spaced apart from the load cell. A protective frame is fixed on the load cell base. The upper protective frame is mounted on the load cell. In the lower protective frame, there is a gap between the lower protective frame and the upper protective frame. When the bracket moves downward a predetermined distance, one side of the bracket can be positioned against one side of the lower protective frame. The beverage hot water temperature changing device according to claim 3, wherein the upper part of the lower protective frame is provided with a perforation, and the upper protective frame is provided with a screw hole corresponding to the perforation. The beverage hot water temperature changing device according to claim 1, wherein the cold water inlet mechanism and the hot water outlet mechanism are solenoid valves or hot water pumps. As claimed in claim 1, the hot water temperature changing device for beverages, wherein the exhaust hole is a round hole, the cold water inlet pipe is a round pipe, and the cold water inlet pipe and the exhaust hole are assembled concentrically. The beverage hot water temperature changing device as described in claim 1, wherein the cold water inlet mechanism is a cold water tank, the cold water inlet end and the cold water outlet end are respectively located at the upper end and the lower end of the cold water tank, and the water storage capacity of the cold water tank is If the water storage capacity of the boiler is greater than the water storage capacity of the boiler, the load cell can detect the water storage capacity of the boiler and open and close a water pump disposed between the cold water inlet pipe and the cold water tank to transport the water stored in the cold water tank to the boiler. The cold water tank A fourth temperature controller is provided on the boiler. When the water stored in the boiler needs to be cooled down during the beverage brewing process, the automatic control system detects water based on a first temperature controller of the boiler and a fourth temperature controller of the cold water tank. Calculate the amount of cold water input from the cold water tank to the boiler based on the temperature, the weight of the stored water carried by the load cell and the scheduled cooling temperature. The beverage hot water temperature changing device as described in claim 1, wherein the hot water outlet mechanism includes a small water volume solenoid valve and a medium water volume solenoid valve, which can individually open the small water volume solenoid valve or the medium water volume solenoid valve, or the small water volume solenoid valve. The water volume solenoid valve and the medium water volume solenoid valve are opened simultaneously to form a large water output.

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