CN112890605B - Control method of water purification coffee and tea bar integrated machine - Google Patents
Control method of water purification coffee and tea bar integrated machine Download PDFInfo
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- CN112890605B CN112890605B CN202110030338.1A CN202110030338A CN112890605B CN 112890605 B CN112890605 B CN 112890605B CN 202110030338 A CN202110030338 A CN 202110030338A CN 112890605 B CN112890605 B CN 112890605B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/42—Beverage-making apparatus with incorporated grinding or roasting means for coffee
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/461—Valves, e.g. drain valves
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- Food Science & Technology (AREA)
- Apparatus For Making Beverages (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A water purification coffee and tea bar integrated machine is characterized by comprising a hot tank, a heat exchanger, a water purification module, a coffee device, a tea device and a controller, wherein the hot tank is provided with a water level sensor, a first temperature sensor and an electric heating tube; the heat exchanger is arranged on the warm water pipe and is provided with a cold end input port and a hot end output port communicated with the cold end input port, and a second temperature sensor is arranged at the water outlet end of the heat exchanger. The invention also discloses a control method of the all-in-one machine. The invention integrates three functions of tea making, coffee making and water drinking, and can control different water temperatures.
Description
Technical Field
The invention relates to a water purifying device, in particular to an all-in-one machine for purifying water, making coffee and making tea together.
Background
At present, only independent purifier, coffee machine and tea bar machine on the market, the purifier can only go out the water purification function, and the coffee machine need add wherein with water and coffee powder or coffee beans, just can go out the coffee that the bubble is good, and temperature control is inaccurate moreover, and tea bar machine is really only provides hot water, and water need receive the water in addition and come, and the process of making tea needs the tea person oneself of making tea to accomplish.
As an improvement, the prior art discloses a plurality of integrated machines, which is shown in the Chinese utility model patent of purified coffee tea machine with the patent number ZL201420180869.4 (the authorization notice number is CN 204071735U); reference may also be made to the patent of chinese utility model with patent number ZL201620758063.8, "a water purifying coffee and tea making multifunctional integrated water dispenser" (the publication number is CN 206414158U).
Although the above documents propose improvements, the control of the water temperature is not detailed, and researchers are not at all concerned about the control, and further development is needed.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a water-purified coffee and tea bar all-in-one machine with accurate water temperature control aiming at the technical current situation.
The second technical problem to be solved by the present invention is to provide a control method of a water-purified coffee and tea bar all-in-one machine with accurate water temperature control.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a water purification coffee and tea bar integrated machine is characterized by comprising
The water heating device comprises a hot tank, a water level sensor, a first temperature sensor and an electric heating tube, wherein the water outlet end of the hot tank is respectively connected with a boiled water pipe, a warm water pipe, a coffee water pipe and a tea water pipe;
the heat exchanger is arranged on the warm water pipe and is provided with a cold end input port and a hot end output port communicated with the cold end input port, and the water outlet end of the heat exchanger is provided with a second temperature sensor;
the water inlet pipe is connected with the water inlet end of the hot tank, and a third electromagnetic valve and a flow regulating valve are sequentially arranged from the water inlet port to the water outlet port;
the first branch pipe is connected between the flow regulating valve and the cold end input port of the heat exchanger;
the second branch pipe is connected between the water inlet end of the hot tank and the hot end output port of the heat exchanger;
the third branch pipe is connected between the water outlet end of the heat exchanger and the water inlet end of the hot tank, and a fourth electromagnetic valve is arranged on the third branch pipe;
the water purification module is arranged on the water inlet pipe and is used for carrying out water purification and filtration treatment on water entering the hot tank;
the coffee device is arranged on the coffee water pipe, and a fifth electromagnetic valve and a sixth electromagnetic valve are arranged on two sides of the coffee water pipe;
the tea water device is arranged on the tea water pipe, and a seventh electromagnetic valve and an eighth electromagnetic valve are arranged on two sides of the tea water device; and
and the control input end of the controller is connected with the water level sensor, the first temperature sensor and the second temperature sensor, and the control output end of the controller is connected with the electric heating pipe, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve, the seventh electromagnetic valve, the eighth electromagnetic valve, the coffee device and the tea device.
Furthermore, a first drainage pipe is led out from the water outlet end of the warm water pipe, and a ninth electromagnetic valve controlled by the controller is arranged on the first drainage pipe.
Furthermore, a second drain pipe is led out from the water outlet end of the coffee water pipe, and a tenth electromagnetic valve controlled by the controller is arranged on the second drain pipe.
Furthermore, a third drain pipe is led out from the water outlet end of the tea water pipe, and an eleventh electromagnetic valve controlled by the controller is arranged on the third drain pipe.
Furthermore, a twelfth electromagnetic valve which can open and close the coffee water pipe and the tea water pipe simultaneously is arranged on the integrated piece.
Preferably, the coffee apparatus may include a coffee storing unit, a weighing and grinding unit, a coffee filtering unit and a coffee grounds collecting unit, wherein the weighing and grinding unit receives coffee beans from the coffee storing unit, the coffee filtering unit is disposed at a discharge port of the weighing and grinding unit, and the coffee grounds collecting unit receives large granular materials filtered by the coffee filtering unit.
Preferably, the tea water device may include a tea leaf storage mechanism, a tea leaf soaking mechanism, a tea leaf filtering mechanism and a tea leaf recycling mechanism, the tea leaf soaking mechanism may receive tea leaves from the tea leaf storage mechanism and may rotate, the tea leaf filtering mechanism may be located at a discharge port of the tea leaf soaking mechanism, and the tea leaf recycling mechanism may receive tea leaves filtered by the tea leaf filtering mechanism.
Further, the bottom of the hot tank is connected with a fourth drain pipe, and a thirteenth electromagnetic valve controlled by the controller is arranged on the fourth drain pipe.
Furthermore, a first one-way valve is arranged on the second branch pipe.
Furthermore, a second one-way valve is arranged on the warm water pipe.
Further, an exhaust valve is arranged at the top of the hot tank.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a control method of a water purification coffee and tea bar integrated machine is characterized by comprising the following steps:
when the water purifier is normally used, the third electromagnetic valve is opened, tap water enters the water inlet pipe, the water purification module starts to work, then a part of purified water directly enters the hot tank for heating through the flow regulating valve, the other part of purified water enters the heat exchanger for heating through the flow regulating valve and then enters the hot tank, after the purified water enters the hot tank, the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purification module stops producing water, the electric heating pipe in the hot tank starts to heat, and the electric heating pipe stops working when the first temperature sensor in the hot tank detects that the temperature reaches 100 ℃;
when the boiled water is needed, the first electromagnetic valve is opened, the second electromagnetic valve is also opened, meanwhile, the third electromagnetic valve is opened, and the water purification module starts to work; then, one part of the purified water directly enters the hot tank for heating through the flow regulating valve, the other part of the purified water enters the heat exchanger for heating through the flow regulating valve and then enters the hot tank, and the hot water in the hot tank is provided for a user through the first electromagnetic valve and the second electromagnetic valve; after the water purifier is used, the first electromagnetic valve and the second electromagnetic valve are closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, and the electric heating pipe stops working when the first temperature sensor detects that the temperature reaches 100 ℃;
when T1 warm water is needed, the second electromagnetic valve is opened, meanwhile, the third electromagnetic valve is opened, and the water purification module starts to work; then, a part of purified water directly enters a hot tank for heating through a flow regulating valve, the other part of purified water enters a heat exchanger for heating through the flow regulating valve and then enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange and temperature reduction, when a second temperature sensor detects that the temperature is higher than or lower than T1, a fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow regulating valve continuously regulates the flow of the purified water entering the heat exchanger and the other part of purified water entering the hot tank, the temperature of the hot water after heat exchange of the heat exchanger is ensured to be reduced to T1, when a second temperature sensor detects that the temperature of the water subjected to heat exchange through the heat exchanger is T1 at the moment, the fourth electromagnetic valve is closed, a second electromagnetic valve is opened, and the T1 warm water is provided for a user; after the water heater is used, the second electromagnetic valve is closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, the electric heating pipe stops working when the first temperature sensor detects that the temperature reaches 100 ℃, and the T1 is 70-80 ℃;
when T2 warm water is needed, the second electromagnetic valve is opened, meanwhile, the third electromagnetic valve is opened, the water purification module starts to work, then a part of purified water directly enters the hot tank to be heated through the flow regulating valve, the other part of purified water enters the heat exchanger to be heated and then enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange and temperature reduction, when the second temperature sensor detects that the temperature is higher than or lower than T2, the fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow regulating valve continuously regulates the flow of purified water entering the heat exchanger and the other part of purified water entering the hot tank, the temperature of the hot water after heat exchange through the heat exchanger is ensured to be reduced to T2, when the second temperature sensor detects that the temperature of the water after heat exchange through the heat exchanger is T2 at the moment, the fourth electromagnetic valve is closed, the second electromagnetic valve is opened to provide T2 warm water for the user; after the water purifier is used, the second electromagnetic valve is closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, and the first temperature sensor detects that the temperature reaches 100 ℃ and the electric heating pipe stops working; the temperature T2 is 40-50 ℃;
when coffee is needed, automatically extracting a set amount of roasted coffee beans from the coffee storage mechanism, feeding the roasted coffee beans into the weighing and grinding mechanism, stopping extraction when the weight of the coffee beans fed into the weighing and grinding mechanism reaches a set value, grinding for 4-10 minutes, opening a third electromagnetic valve while extracting the coffee beans, starting a water purification module, making tap water into purified water through the water purification module, feeding a part of the purified water into a hot tank through a flow control valve for heating, feeding the other part of the purified water into a heat exchanger through the flow control valve for heating, feeding the other part of the purified water into the hot tank, feeding hot water in the hot tank into the heat exchanger, performing heat exchange between the hot water and the part of the purified water fed into the hot tank through the heat exchanger for cooling, and opening a fourth electromagnetic valve when a second temperature sensor detects that the temperature is higher than or lower than T3, and feeding the part of the hot water back into the hot tank through the fourth electromagnetic valve, then continuously adjusting the flow of purified water entering the heat exchanger and the other part of purified water entering the hot tank by a flow adjusting valve, ensuring that the temperature of hot water subjected to heat exchange of the heat exchanger is reduced to T3, closing a fourth electromagnetic valve when a second temperature sensor detects that the temperature of the hot water subjected to heat exchange of the heat exchanger is T3, opening a fifth electromagnetic valve when the temperature of the heat exchanger reaches T3, enabling T3 hot water to enter a weighing and grinding mechanism through a first flowmeter, starting stirring by the weighing and grinding mechanism at the moment, closing the fifth electromagnetic valve when the temperature of the hot water passing through the T3 of the first flowmeter reaches a set value of a coffee device, continuously stirring by the weighing and grinding mechanism for 4-10 minutes, enabling coffee to enter a coffee filtering mechanism, enabling large particles to enter a coffee residue recovery mechanism, then opening a sixth electromagnetic valve, and enabling a user to obtain required brewed coffee; after the water purifier is used, the sixth electromagnetic valve is closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, and the first temperature sensor detects that the temperature reaches 100 ℃ and the electric heating pipe stops working; the temperature T3 is 85-95 ℃;
when tea is needed, tea leaves with a set amount automatically extracted from the tea leaf storage mechanism enter the soaking mechanism, extraction is stopped when the weight of the tea leaves entering the soaking mechanism reaches a set value, the third electromagnetic valve is opened while the tea leaves are extracted, the water purification module starts to work, then a part of purified water directly enters the hot tank through the flow control valve for heating, the other part of purified water enters the heat exchanger through the flow control valve for heating and then enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange for cooling, when the temperature detected by the second temperature sensor is higher than or lower than T2, the fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow control valve continuously regulates the flow of the purified water entering the heat exchanger and the other part of purified water entering the hot tank, and ensures that the temperature of the hot water after heat exchange of the heat exchanger is reduced to T2, when the second temperature sensor detects that the temperature of water subjected to heat exchange by the heat exchanger is T2, the fourth electromagnetic valve is closed, the seventh electromagnetic valve is opened, T2 hot water enters the soaking mechanism through the second flowmeter, when the T2 hot water passing through the second flowmeter reaches a set value of the tea water device, the seventh electromagnetic valve is closed, the soaking mechanism starts to rotate to wash tea, then the eleventh electromagnetic valve is opened, the tea water in the soaking mechanism is drained through the eleventh electromagnetic valve, and the tea washing is finished; then the eleventh electromagnetic valve is closed, the third electromagnetic valve is opened, the water purification module starts to work, then a part of purified water directly enters the hot tank for heating through the flow regulating valve, the other part of purified water enters the heat exchanger for heating through the flow regulating valve and enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange and cooling, when the second temperature sensor detects that the temperature is higher than or lower than T1, the fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow regulating valve continuously regulates the flow of the purified water entering the heat exchanger and the other part of purified water entering the hot tank, the temperature of the hot water after heat exchange through the heat exchanger is ensured to be reduced to T1, when the second temperature sensor detects that the temperature of the water after heat exchange through the heat exchanger is T1 at the moment, the fourth electromagnetic valve is closed, the seventh electromagnetic valve is opened, when T1 hot water passing through the second flowmeter reaches a set value, the seventh electromagnetic valve is closed, the soaking mechanism starts to soak for 4-10 minutes, then the tea water enters the tea filtering mechanism, tea residues in the tea water are filtered, the tea residues enter the tea residue recovery mechanism, then the eighth electromagnetic valve is opened, a user obtains required well-brewed tea water, after the use is completed, the eighth electromagnetic valve is closed, purified water still continuously enters the hot tank, after the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purification module stops water production, the electric heating pipe in the hot tank continuously heats, and the electric heating pipe stops working when the first temperature sensor detects that the temperature reaches 100 ℃.
Compared with the prior art, the invention has the advantages that: the invention integrates three functions of tea making, coffee making and water drinking, realizes control of different water temperatures through pipeline design and arrangement of the electromagnetic valves, and can meet various requirements of customers.
Drawings
FIG. 1 is a schematic diagram of the piping arrangement of the embodiment.
FIG. 2 is a schematic view of the embodiment after wall installation.
Fig. 3 is a side view of fig. 2.
FIG. 4 is a flowchart of an embodiment when in normal use.
FIG. 5 is a flow chart of the embodiment when 100 ℃ water is required.
FIG. 6 is a flow chart of the example when 75 ℃ water is required.
FIG. 7 is a flow chart of the example when 45 ℃ water is required.
FIG. 8 is a first flowchart illustrating the coffee making process according to the first embodiment.
FIG. 9 is a second flowchart of the coffee making process of the embodiment.
FIG. 10 is a first flowchart of the tea making process according to the embodiment.
FIG. 11 is a second flowchart of the tea making process according to the embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Referring to fig. 1, 2 and 3, the water purifying coffee and tea bar all-in-one machine in the embodiment includes a hot tank 1, a heat exchanger 3, a boiled water pipe 14, a warm water pipe 15, a coffee water pipe 16, a tea water pipe 17, a water inlet pipe 19, a first branch pipe 81, a second branch pipe 82, a third branch pipe 83, a fourth branch pipe, a water purifying module 4, a coffee device, a tea device and a controller (not shown).
The hot tank 1 is provided with a water level sensor 12, a first temperature sensor 71 and an electric heating tube 11, and the top of the hot tank 1 is provided with an exhaust valve 13. The water outlet end of the hot pot 1 is respectively connected with the boiled water pipe 14, the warm water pipe 15, the coffee water pipe 16 and the tea water pipe 17, the boiled water pipe 14 and the warm water pipe 15 are respectively provided with a first electromagnetic valve 21 and a second electromagnetic valve 22, and the coffee water pipe 16 and the tea water pipe 17 are respectively provided with a first flowmeter 73 and a second flowmeter 74.
The heat exchanger 3 is arranged on the warm water pipe 15 and is provided with a cold end input port and a hot end output port communicated with the cold end input port, and the water outlet end of the heat exchanger 3 is provided with a second temperature sensor 72; the water inlet pipe 19 is connected with the water inlet end of the hot tank 1, and a third electromagnetic valve 23 and a flow regulating valve 8 are sequentially arranged from the water inlet end to the water outlet end.
The first branch pipe 81 is connected between the flow regulating valve 8 and the cold end input port of the heat exchanger 3; the second branch pipe 82 is connected between the water inlet end of the hot tank 1 and the hot end output port of the heat exchanger 3; the third branch pipe 83 is connected between the water outlet end of the heat exchanger 3 and the water inlet end of the hot tank 1, and the fourth electromagnetic valve 24 is arranged on the third branch pipe 83.
The water purification module 4 is arranged on the water inlet pipe 19 and is used for carrying out water purification and filtration treatment on the water entering the hot tank 1; the coffee device is arranged on the coffee water pipe 16, and a fifth electromagnetic valve 25 and a sixth electromagnetic valve 26 are arranged on two sides of the coffee device; the tea water device is arranged on the tea water pipe 17, and a seventh electromagnetic valve 27 and an eighth electromagnetic valve 28 are arranged on two sides of the tea water device.
The control input end of the controller is connected with the water level sensor 12, the first temperature sensor 71 and the second temperature sensor 72, and the control output end is connected with the electric heating pipe 11, the first electromagnetic valve 21, the second electromagnetic valve 22, the third electromagnetic valve 23, the fourth electromagnetic valve 24, the fifth electromagnetic valve 25, the sixth electromagnetic valve 26, the seventh electromagnetic valve 27, the eighth electromagnetic valve 28, the coffee device and the tea device.
The first water draining pipe 151 is led out from the water outlet end of the warm water pipe 15, and a ninth electromagnetic valve 29 controlled by the controller is arranged on the first water draining pipe 151. The water outlet end of the coffee water pipe 16 leads out of the second water discharge pipe 161, and a tenth electromagnetic valve 210 controlled by the controller is arranged on the second water discharge pipe 161. The water outlet end of the tea water pipe 17 leads out of a third water discharge pipe 171, and an eleventh electromagnetic valve 211 controlled by a controller is arranged on the third water discharge pipe 171.
The pipeline is provided with a twelfth electromagnetic valve 212 which is used for opening and closing the coffee water pipe 16 and the tea water pipe 17 at the same time, and the twelfth electromagnetic valve 212 is also controlled by the controller.
The coffee apparatus in this embodiment includes a coffee storing mechanism 51, a weighing and grinding mechanism 52, a coffee filtering mechanism 53 and a coffee grounds recovering mechanism 54, wherein the weighing and grinding mechanism 52 can receive coffee beans from the coffee storing mechanism 51, the coffee filtering mechanism 53 is located at a discharge port of the weighing and grinding mechanism 52, and the coffee grounds recovering mechanism 54 can receive large granular materials filtered by the coffee filtering mechanism 53.
The tea water device in the embodiment comprises a tea leaf storage mechanism 61, a soaking mechanism 62, a tea leaf filtering mechanism 63 and a tea leaf recycling mechanism 64, wherein the soaking mechanism 62 can accept tea leaves from the tea leaf storage mechanism 61 and can rotate, the tea leaf filtering mechanism 63 is located on a discharge port of the soaking mechanism 62, and the tea leaf recycling mechanism can accept tea leaves filtered by the tea leaf filtering mechanism 63.
The second branch pipe 82 in this embodiment is provided with a first check valve 821. The warm water pipe 15 is provided with a second check valve 152.
The bottom of the hot tank 1 is connected with a fourth water outlet pipe 18, and a thirteenth electromagnetic valve 213 and a third one-way valve 181 controlled by the controller are arranged on the fourth water outlet pipe 18.
As shown in fig. 4, when the water purifier is in normal use, the tap water end third electromagnetic valve 23 is opened, the water purifying module 4 starts to work, tap water is purified by the water purifying module 4, and waste water is discharged through the waste water ratio electromagnetic valve 41. Then, a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, and the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, so that the temperature of the purified water entering the hot tank 1 can be increased, and the energy is saved. After the purified water enters the hot tank 1, the water level sensor 12 detects that the hot tank 1 is full, the third electromagnetic valve 23 stops working, the water purification module 4 stops producing water, the electric heating tube 11 in the hot tank 1 starts heating, the electric heating tube 11 stops working when the first temperature sensor 71 detects that the temperature reaches 100 ℃, and the hot steam is discharged through the exhaust valve 13.
As shown in fig. 5, when the boiled water is needed, the water purifying button 106 of the beverage type button is pressed, then the 100 ℃ button 103 is selected and pressed, at this time, the first electromagnetic valve 21 is opened, the second electromagnetic valve 22 is also opened, the third electromagnetic valve 23 is opened, the water purifying module 4 starts to work, the tap water is purified by the water purifying module 4, and the waste water is discharged through the waste water ratio electromagnetic valve 41. Then, a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, and the hot water in the hot tank 1 reaches the purified water tap through the first electromagnetic valve 21 and the second electromagnetic valve 22 and is provided for users. After the use is finished, the water purifying button of the beverage type button is pressed again, the first electromagnetic valve 21 and the second electromagnetic valve 22 are closed, purified water still continuously enters the hot tank 1, when the water level sensor 12 detects that the hot tank 1 is full, the third electromagnetic valve 23 stops working, the water purifying module 4 stops producing water, the electric heating pipe 11 in the hot tank 1 continuously heats, the electric heating pipe 11 stops working when the first temperature sensor 71 detects that the temperature reaches 100 ℃, and hot steam is discharged through the exhaust valve 13
As shown in fig. 6, when the hot water of 75 ℃ is needed, the water purifying button 106 of the drink type button is pressed, then the 75 ℃ button 104 is selected and pressed, the second electromagnetic valve 22 is opened, the third electromagnetic valve 23 is opened, the water purifying module 4 starts to work, the tap water is purified by the water purifying module 4, and the waste water is discharged through the waste water ratio electromagnetic valve 41. Then a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, the hot water in the hot tank 1 enters the heat exchanger 3, the hot water and a part of the purified water entering the hot tank 1 through the heat exchanger 3 carry out heat exchange and temperature reduction, the first temperature sensor 71 behind the heat exchanger 3 can detect the temperature after heat exchange through the heat exchanger 3, when the temperature is detected to be higher than or lower than 75 ℃, the fourth electromagnetic valve 24 is opened, the part of the hot water flows back into the hot tank 1 through the fourth electromagnetic valve 24, then the flow regulating valve 8 continuously regulates the flow of the purified water entering the heat exchanger 3 and the other part of the purified water entering the hot tank 1, the temperature of the hot water after heat exchange through the heat exchanger 3 is ensured to be reduced to 75 ℃, when the first temperature sensor 71 detects that the temperature of the water after heat exchange through the heat exchanger 3 is 75 ℃ at the moment, the fourth solenoid valve 24 is closed and the second solenoid valve 22 is opened to provide the user with warm water of 75 c. After the use is finished, the water purifying button 106 of the beverage type button is pressed again, the second electromagnetic valve 22 is closed, purified water still continuously enters the hot tank 1, when the water level sensor 12 detects that the hot tank 1 is full, the third electromagnetic valve 23 stops working, the water purifying module 4 stops water production, the electric heating pipe 11 in the hot tank 1 continuously heats, the electric heating pipe 11 stops working when the first temperature sensor 71 detects that the temperature reaches 100 ℃, and hot steam is discharged through the exhaust valve 13
As shown in fig. 7, when 45 ℃ warm water is needed, the water purifying button 106 of the drink type button is pressed, then the 45 ℃ button 105 is selected and pressed, the second electromagnetic valve 22 is opened, the third electromagnetic valve 23 is opened, the water purifying module 4 starts to work, tap water is purified by the water purifying module 4, and waste water is discharged by the waste water ratio electromagnetic valve 41. Then a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, the hot water in the hot tank 1 enters the heat exchanger 3, the hot water and a part of the purified water entering the hot tank 1 through the heat exchanger 3 carry out heat exchange and temperature reduction, the first temperature sensor 71 behind the heat exchanger 3 can detect the temperature after heat exchange through the heat exchanger 3, when the temperature is detected to be higher than or lower than 45 ℃, the fourth electromagnetic valve 24 is opened, the part of the hot water flows back into the hot tank 1 through the fourth electromagnetic valve 24, then the flow regulating valve 8 continuously regulates the flow of the purified water entering the heat exchanger 3 and the other part of the purified water entering the hot tank 1, the temperature of the hot water after heat exchange through the heat exchanger 3 is ensured to be reduced to 45 ℃, when the first temperature sensor 71 detects that the temperature of the water after heat exchange through the heat exchanger 3 is 45 ℃ at the moment, the fourth solenoid valve 24 is closed and the second solenoid valve 22 is opened to provide the user with warm water of 45 c. After the use is finished, the water purifying button 106 of the beverage type button is pressed again, the second electromagnetic valve 22 is closed, purified water still continuously enters the hot tank 1, when the water level sensor 12 detects that the hot tank 1 is full, the third electromagnetic valve 23 stops working, the water purifying module 4 stops water production, the electric heating pipe 11 in the hot tank 1 continuously heats, the electric heating pipe 11 stops working when the first temperature sensor 71 detects that the temperature reaches 100 ℃, and hot steam is discharged through the exhaust valve 13
As shown in fig. 8 and 9, when coffee is needed, the drink type button coffee button 107 is pressed, a certain amount of roasted coffee beans are automatically extracted from the coffee holding mechanism 51 and enter the weighing and grinding mechanism 52, the coffee holding mechanism 51 can hold the roasted coffee beans at a constant temperature and humidity, extraction is stopped when the weight of the coffee beans entering the weighing and grinding mechanism 52 reaches 10 g, and then grinding is performed for 5 minutes. While coffee beans are extracted, the third solenoid valve 23 is opened, the water purification module 4 starts to operate, tap water is made into purified water by the water purification module 4, and waste water is discharged through the waste water ratio solenoid valve 41. Then a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, the hot water in the hot tank 1 enters the heat exchanger 3, the hot water and a part of the purified water entering the hot tank 1 through the heat exchanger 3 carry out heat exchange and temperature reduction, the first temperature sensor 71 behind the heat exchanger 3 can detect the temperature after heat exchange through the heat exchanger 3, when the temperature is detected to be higher than or lower than 90 ℃, the fourth electromagnetic valve 24 is opened, the part of the hot water flows back into the hot tank 1 through the fourth electromagnetic valve 24, then the flow regulating valve 8 continuously regulates the flow of the purified water entering the heat exchanger 3 and the other part of the purified water entering the hot tank 1, the temperature of the hot water after heat exchange through the heat exchanger 3 is ensured to be reduced to 90 ℃, when the first temperature sensor 71 detects that the temperature of the water after heat exchange through the heat exchanger 3 is 90 ℃ at the moment, the fourth solenoid valve 24 is closed. When the grinding time is over for 5 minutes and the water temperature of the heat exchanger 3 reaches 90 ℃, the fifth electromagnetic valve 25 is opened, the 90 ℃ hot water enters the weighing and grinding mechanism 52 through the first flow meter 731, the weighing and grinding mechanism 52 starts to stir at the moment, when the 90 ℃ hot water passing through the first flow meter 73 reaches 180mL, the fifth electromagnetic valve 25 is closed, the weighing and grinding mechanism 52 keeps stirring for 5 minutes, after 5 minutes, the coffee enters the coffee filtering mechanism 53, the coffee beans which are not ground are filtered, and large particles enter the coffee grounds recovery mechanism 54 and can be taken out for recovery and cleaning. The sixth solenoid valve 26 is then opened and the user obtains the desired brewed coffee. After the use is finished, the coffee button 107 of the beverage type button is pressed, the sixth electromagnetic valve 26 is closed, purified water still continuously enters the hot tank 1, when the water level sensor 12 detects that the hot tank 1 is full, the third electromagnetic valve 23 stops working, the water purification module 4 stops water production, the electric heating pipe 11 in the hot tank 1 continuously heats, the electric heating pipe 11 stops working when the first temperature sensor 71 detects that the temperature reaches 100 ℃, and hot steam is discharged through the exhaust valve 13.
As shown in fig. 10 and 11, when tea is needed, the tea button 108 of the beverage type button is pressed first, and at this time, a certain amount of tea leaves are automatically extracted from the tea leaf storage mechanism 61 and enter the steeping mechanism 62, and the tea leaf storage mechanism 61 can store the tea leaves at a constant temperature and humidity, and the extraction stops when the weight of the tea leaves entering the tea leaf steeping mechanism 62 reaches 3 g. At the same time of extracting tea, the third electromagnetic valve 23 is opened, the water purification module 4 starts to work, tap water is made into purified water through the water purification module 4, and waste water is discharged through the waste water ratio electromagnetic valve 41. Then a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, the hot water in the hot tank 1 enters the heat exchanger 3, the hot water and a part of the purified water entering the hot tank 1 through the heat exchanger 3 carry out heat exchange and temperature reduction, the first temperature sensor 71 behind the heat exchanger 3 can detect the temperature after heat exchange through the heat exchanger 3, when the temperature is detected to be higher than or lower than 45 ℃, the fourth electromagnetic valve 24 is opened, the part of the hot water flows back into the hot tank 1 through the fourth electromagnetic valve 24, then the flow regulating valve 8 continuously regulates the flow of the purified water entering the heat exchanger 3 and the other part of the purified water entering the hot tank 1, the temperature of the hot water after heat exchange through the heat exchanger 3 is ensured to be reduced to 45 ℃, when the first temperature sensor 71 detects that the temperature of the water after heat exchange through the heat exchanger 3 is 45 ℃ at the moment, the fourth solenoid valve 24 is closed. The seventh electromagnetic valve 27 is opened, the hot water with the temperature of 45 ℃ enters the soaking mechanism 62 through the second flow meter 74, when the hot water with the temperature of 45 ℃ passing through the second flow meter 74 reaches 180mL, the seventh electromagnetic valve 27 is closed at the moment, the soaking mechanism 62 starts to rotate for 3 circles to carry out the tea washing step, then the eleventh electromagnetic valve 211 is opened, the tea water in the soaking mechanism 62 is drained through the eleventh electromagnetic valve 211, and the tea washing is finished. Then, the eleventh solenoid valve 211 is closed, the third solenoid valve 23 is opened, the water purification module 4 starts to operate, tap water is purified by the water purification module 4, and waste water is discharged through the waste water ratio solenoid valve 41. Then a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, the other part of the purified water enters the heat exchanger 3 for heating through the flow regulating valve 8 and then enters the hot tank 1 through the first one-way valve 821, the hot water in the hot tank 1 enters the heat exchanger 3, the hot water and a part of the purified water entering the hot tank 1 through the heat exchanger 3 carry out heat exchange and temperature reduction, the first temperature sensor 71 behind the heat exchanger 3 can detect the temperature after heat exchange through the heat exchanger 3, when the temperature is detected to be higher than or lower than 75 ℃, the fourth electromagnetic valve 24 is opened, the part of the hot water flows back into the hot tank 1 through the fourth electromagnetic valve 24, then the flow regulating valve 8 continuously regulates the flow of the purified water entering the heat exchanger 3 and the other part of the purified water entering the hot tank 1, the temperature of the hot water after heat exchange through the heat exchanger 3 is ensured to be reduced to 75 ℃, when the first temperature sensor 71 detects that the temperature of the water after heat exchange through the heat exchanger 3 is 75 ℃ at the moment, the fourth electromagnetic valve 24 is closed, the seventh electromagnetic valve 27 is opened, when the hot water at 75 ℃ passing through the second flowmeter 74 reaches 180mL, the seventh electromagnetic valve 27 is closed, the soaking step time of the soaking mechanism 62 is 5 minutes, after 5 minutes, the tea water enters the tea filtering mechanism 63, the tea leaves in the tea water are filtered, the tea leaves enter the tea residue recovery mechanism 64, then the eighth electromagnetic valve 28 is opened, and the user obtains the required tea water. After the use is finished, the tea button 108 of the beverage type button is pressed, the eighth electromagnetic valve 28 is closed, purified water still continuously enters the hot tank 1, when the water level sensor 12 detects that the hot tank 1 is full, the third electromagnetic valve 23 stops working, the water purification module 4 stops water production, the electric heating pipe 11 in the hot tank 1 continuously heats, the electric heating pipe 11 stops working when the first temperature sensor 71 detects that the temperature reaches 100 ℃, and hot steam is discharged through the exhaust valve 13.
One-key drain function:
when the one-touch drain button 101 is pressed, the thirteenth solenoid valve 213 is opened, the water in the hot tank 1 is drained through the thirteenth solenoid valve 213 and the third check valve 181, and the hot tank 1 is drained.
One-key cleaning function:
when the one-key cleaning button 102 is pressed, the third electromagnetic valve 23 is opened, the water purification module 4 starts to work, tap water is purified through the water purification module 4, and waste water is discharged through the waste water ratio electromagnetic valve 41. Then, a part of the purified water directly enters the hot tank 1 for heating through the flow regulating valve 8, another part of the purified water enters the heat exchanger 3 for heating through the first one-way valve 821 after passing through the flow regulating valve 8, the purified water enters the hot tank 1 for continuous heating through the electric heating tube 11 in the hot tank 1, the electric heating tube 11 stops working when the temperature sensor 71 detects that the temperature reaches 100 ℃, the twelfth electromagnetic valve 212, the thirteenth electromagnetic valve 213, the fifth electromagnetic valve 25, the tenth electromagnetic valve 210, the seventh electromagnetic valve 27 and the eleventh electromagnetic valve 211 are all opened after the temperature in the hot tank 1 reaches 100 ℃, so that all pipelines are washed by high-temperature hot water, and then the washed water passes through the thirteenth electromagnetic valve 213, the tenth electromagnetic valve 210 and the eleventh electromagnetic valve 211 and is discharged, thereby realizing the high-temperature sterilization and cleaning of the whole pipeline of the whole machine.
As shown in fig. 2 and 3, the present embodiment can be embedded in a wall or a cabinet, the front end surface of the present embodiment is provided with a front cover plate 110, the interior of the present embodiment is provided with a water storage tank 109, and the water storage tank 109 can be supplied with water from a tap water connector and supplied to the water purification module 44. The whole machine can discharge purified 100 ℃ boiled water, 75 ℃ warm water and 45 ℃ warm water. The whole machine can grind coffee beans and brew the most delicious coffee according to the requirement of brewing the most delicious coffee, and simultaneously, the whole machine can brew the most fragrant tea according to the tea skill. The whole machine also has a one-key emptying function, can empty the water in the hot tank 1, also has a one-key cleaning function, and can carry out high-temperature sterilization cleaning on the whole pipeline.
The embodiment can brew coffee according to the most suitable proportion and temperature of the coffee water, brew tea water according to the most suitable proportion and temperature of the tea and the water, can produce purified water at different temperatures, has one-key emptying function and one-key cleaning function, and meets various requirements.
Claims (5)
1. A control method of a water purification coffee and tea bar integrated machine is characterized in that the water purification coffee and tea bar integrated machine comprises
The water outlet end of the hot tank is respectively connected with a boiled water pipe, a warm water pipe, a coffee water pipe and a tea water pipe, the boiled water pipe and the warm water pipe are respectively provided with a first electromagnetic valve and a second electromagnetic valve, and the coffee water pipe and the tea water pipe are respectively provided with a first flowmeter and a second flowmeter;
the heat exchanger is arranged on the warm water pipe and is provided with a cold end input port and a hot end output port communicated with the cold end input port, and the water outlet end of the heat exchanger is provided with a second temperature sensor;
the water inlet pipe is connected with the water inlet end of the hot tank, and a third electromagnetic valve and a flow regulating valve are sequentially arranged from the water inlet port to the water outlet port;
the first branch pipe is connected between the flow regulating valve and the cold end input port of the heat exchanger;
the second branch pipe is connected between the water inlet end of the hot tank and the hot end output port of the heat exchanger;
the third branch pipe is connected between the water outlet end of the heat exchanger and the water inlet end of the hot tank, and a fourth electromagnetic valve is arranged on the third branch pipe;
the water purification module is arranged on the water inlet pipe and is used for carrying out water purification and filtration treatment on water entering the hot tank;
the coffee device is arranged on the coffee water pipe, and a fifth electromagnetic valve and a sixth electromagnetic valve are arranged on two sides of the coffee water pipe;
the tea water device is arranged on the tea water pipe, and a seventh electromagnetic valve and an eighth electromagnetic valve are arranged on two sides of the tea water device; and
the controller is connected with the control input end of the controller, the water level sensor, the first temperature sensor and the second temperature sensor, and the control output end of the controller is connected with the electric heating tube, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve, the seventh electromagnetic valve, the eighth electromagnetic valve, the coffee device and the tea device;
a first drainage pipe is led out from the water outlet end of the warm water pipe, and a ninth electromagnetic valve controlled by a controller is arranged on the first drainage pipe;
a second drain pipe is led out from the water outlet end of the coffee water pipe, and a tenth electromagnetic valve controlled by the controller is arranged on the second drain pipe;
a third drain pipe is led out from the water outlet end of the tea water pipe, and an eleventh electromagnetic valve controlled by the controller is arranged on the third drain pipe;
the integrated machine is provided with a twelfth electromagnetic valve which can open and close the coffee water pipe and the tea water pipe simultaneously;
the coffee device comprises a coffee storage mechanism, a weighing and grinding mechanism, a coffee filtering mechanism and a coffee residue recovery mechanism, wherein the weighing and grinding mechanism can receive coffee beans from the coffee storage mechanism, the coffee filtering mechanism is positioned on a discharge port of the weighing and grinding mechanism, and the coffee residue recovery mechanism can receive large granular materials filtered by the coffee filtering mechanism;
the tea water device comprises a tea leaf storage mechanism, a soaking mechanism, a tea leaf filtering mechanism and a tea leaf recycling mechanism, wherein the soaking mechanism can receive tea leaves from the tea leaf storage mechanism and can rotate;
the method comprises the following steps:
when the water purifier is normally used, the third electromagnetic valve is opened, tap water enters the water inlet pipe, the water purification module starts to work, then a part of purified water directly enters the hot tank for heating through the flow regulating valve, the other part of purified water enters the heat exchanger for heating through the flow regulating valve and then enters the hot tank, after the purified water enters the hot tank, the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purification module stops producing water, the electric heating pipe in the hot tank starts to heat, and the electric heating pipe stops working when the first temperature sensor in the hot tank detects that the temperature reaches 100 ℃;
when boiled water is needed, the first electromagnetic valve is opened, the second electromagnetic valve is also opened, meanwhile, the third electromagnetic valve is opened, and the water purification module starts to work; then, one part of the purified water directly enters the hot tank for heating through the flow regulating valve, the other part of the purified water enters the heat exchanger for heating through the flow regulating valve and then enters the hot tank, and the hot water in the hot tank is provided for a user through the first electromagnetic valve and the second electromagnetic valve; after the water purifier is used, the first electromagnetic valve and the second electromagnetic valve are closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, and the electric heating pipe stops working when the first temperature sensor detects that the temperature reaches 100 ℃;
when T1 warm water is needed, the second electromagnetic valve is opened, meanwhile, the third electromagnetic valve is opened, and the water purification module starts to work; then, a part of purified water directly enters a hot tank for heating through a flow regulating valve, the other part of purified water enters a heat exchanger for heating through the flow regulating valve and then enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange and temperature reduction, when a second temperature sensor detects that the temperature is higher than or lower than T1, a fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow regulating valve continuously regulates the flow of the purified water entering the heat exchanger and the other part of purified water entering the hot tank, the temperature of the hot water after heat exchange of the heat exchanger is ensured to be reduced to T1, when a second temperature sensor detects that the temperature of the water subjected to heat exchange through the heat exchanger is T1 at the moment, the fourth electromagnetic valve is closed, a second electromagnetic valve is opened, and the T1 warm water is provided for a user; after the water heater is used, the second electromagnetic valve is closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, the electric heating pipe stops working when the first temperature sensor detects that the temperature reaches 100 ℃, and the T1 is 70-80 ℃;
when T2 warm water is needed, the second electromagnetic valve is opened, meanwhile, the third electromagnetic valve is opened, the water purification module starts to work, then a part of purified water directly enters the hot tank to be heated through the flow regulating valve, the other part of purified water enters the heat exchanger to be heated and then enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange and temperature reduction, when the second temperature sensor detects that the temperature is higher than or lower than T2, the fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow regulating valve continuously regulates the flow of purified water entering the heat exchanger and the other part of purified water entering the hot tank, the temperature of the hot water after heat exchange through the heat exchanger is ensured to be reduced to T2, when the second temperature sensor detects that the temperature of the water after heat exchange through the heat exchanger is T2 at the moment, the fourth electromagnetic valve is closed, the second electromagnetic valve is opened to provide T2 warm water for the user; after the water purifier is used, the second electromagnetic valve is closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, and the first temperature sensor detects that the temperature reaches 100 ℃ and the electric heating pipe stops working; the T2 is 40-50 ℃;
when coffee is needed, automatically extracting a set amount of roasted coffee beans from the coffee storage mechanism, feeding the roasted coffee beans into the weighing and grinding mechanism, stopping extraction when the weight of the coffee beans fed into the weighing and grinding mechanism reaches a set value, grinding for 4-10 minutes, opening a third electromagnetic valve while extracting the coffee beans, starting a water purification module, making tap water into purified water through the water purification module, feeding a part of the purified water into a hot tank through a flow control valve for heating, feeding the other part of the purified water into a heat exchanger through the flow control valve for heating, feeding the other part of the purified water into the hot tank, feeding hot water in the hot tank into the heat exchanger, performing heat exchange between the hot water and the part of the purified water fed into the hot tank through the heat exchanger for cooling, and opening a fourth electromagnetic valve when a second temperature sensor detects that the temperature is higher than or lower than T3, and feeding the part of the hot water back into the hot tank through the fourth electromagnetic valve, then continuously adjusting the flow of purified water entering the heat exchanger and the other part of purified water entering the hot tank by a flow adjusting valve, ensuring that the temperature of hot water subjected to heat exchange of the heat exchanger is reduced to T3, closing a fourth electromagnetic valve when a second temperature sensor detects that the temperature of the hot water subjected to heat exchange of the heat exchanger is T3, opening a fifth electromagnetic valve when the temperature of the heat exchanger reaches T3, enabling T3 hot water to enter a weighing and grinding mechanism through a first flowmeter, starting stirring by the weighing and grinding mechanism at the moment, closing the fifth electromagnetic valve when the temperature of the hot water passing through the T3 of the first flowmeter reaches a set value of a coffee device, continuously stirring by the weighing and grinding mechanism for 4-10 minutes, enabling coffee to enter a coffee filtering mechanism, enabling large particles to enter a coffee residue recovery mechanism, then opening a sixth electromagnetic valve, and enabling a user to obtain required brewed coffee; after the water purifier is used, the sixth electromagnetic valve is closed, purified water still continuously enters the hot tank, when the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purifying module stops water production, the electric heating pipe in the hot tank continuously heats, and the first temperature sensor detects that the temperature reaches 100 ℃ and the electric heating pipe stops working; the temperature T3 is 85-95 ℃;
when tea is needed, tea leaves with a set amount automatically extracted from the tea leaf storage mechanism enter the soaking mechanism, extraction is stopped when the weight of the tea leaves entering the soaking mechanism reaches a set value, the third electromagnetic valve is opened while the tea leaves are extracted, the water purification module starts to work, then a part of purified water directly enters the hot tank through the flow control valve for heating, the other part of purified water enters the heat exchanger through the flow control valve for heating and then enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange for cooling, when the temperature detected by the second temperature sensor is higher than or lower than T2, the fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow control valve continuously regulates the flow of the purified water entering the heat exchanger and the other part of purified water entering the hot tank, and ensures that the temperature of the hot water after heat exchange of the heat exchanger is reduced to T2, when the second temperature sensor detects that the temperature of water subjected to heat exchange by the heat exchanger is T2, the fourth electromagnetic valve is closed, the seventh electromagnetic valve is opened, T2 hot water enters the soaking mechanism through the second flowmeter, when the T2 hot water passing through the second flowmeter reaches a set value of the tea water device, the seventh electromagnetic valve is closed, the soaking mechanism starts to rotate to wash tea, then the eleventh electromagnetic valve is opened, the tea water in the soaking mechanism is drained through the eleventh electromagnetic valve, and the tea washing is finished; then the eleventh electromagnetic valve is closed, the third electromagnetic valve is opened, the water purification module starts to work, then a part of purified water directly enters the hot tank for heating through the flow regulating valve, the other part of purified water enters the heat exchanger for heating through the flow regulating valve and enters the hot tank, hot water in the hot tank enters the heat exchanger, the hot water and a part of purified water entering the hot tank through the heat exchanger carry out heat exchange and cooling, when the second temperature sensor detects that the temperature is higher than or lower than T1, the fourth electromagnetic valve is opened, the part of hot water flows back into the hot tank through the fourth electromagnetic valve, then the flow regulating valve continuously regulates the flow of the purified water entering the heat exchanger and the other part of purified water entering the hot tank, the temperature of the hot water after heat exchange through the heat exchanger is ensured to be reduced to T1, when the second temperature sensor detects that the temperature of the water after heat exchange through the heat exchanger is T1 at the moment, the fourth electromagnetic valve is closed, the seventh electromagnetic valve is opened, when T1 hot water passing through the second flowmeter reaches a set value, the seventh electromagnetic valve is closed, the soaking mechanism starts to soak for 4-10 minutes, then the tea water enters the tea filtering mechanism, tea residues in the tea water are filtered, the tea residues enter the tea residue recovery mechanism, then the eighth electromagnetic valve is opened, a user obtains required well-brewed tea water, after the use is completed, the eighth electromagnetic valve is closed, purified water still continuously enters the hot tank, after the water level sensor detects that the hot tank is full, the third electromagnetic valve stops working, the water purification module stops water production, the electric heating pipe in the hot tank continuously heats, and the electric heating pipe stops working when the first temperature sensor detects that the temperature reaches 100 ℃.
2. The control method according to claim 1, wherein a fourth drain pipe is connected to the bottom of the hot tank, and a thirteenth solenoid valve controlled by the controller is provided on the fourth drain pipe.
3. The control method according to claim 1, wherein the second branch pipe is provided with a first check valve.
4. The control method according to claim 1, wherein a second check valve is provided on the warm water pipe.
5. The control method according to claim 1, characterized in that the top of the hot tank is provided with a vent valve.
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