Waterway for realizing double-milk cleaning of coffee machine

Abstract

The utility model discloses a waterway for realizing double-milk cleaning of a coffee machine, which comprises a coffee machine waterway and a refrigerator waterway, and the coffee machine waterway comprises a water tank, a water tank water inlet electromagnetic valve, a water pump, a hot water boiler, a steam boiler water replenishing electromagnetic valve, a steam boiler, a steam electromagnetic valve, a milk foam device and a milk cold water cleaning electromagnetic valve, the refrigerator water way comprises a first pinch valve, a first milk box, a second pinch valve and a second milk box. According to the utility model, when the coffee machine can be used for making coffee with different milk flavors, the milk pipeline is cleaned each time, so that the taste mixing and the milk pipeline blockage are effectively prevented, and the taste of coffee with different drinks is improved.

Description

Technical Field

[0001] The utility model relates to a water channel for cleaning two milks of a coffee machine. Background Art

[0002] As people's material living standards improve, they have higher and higher requirements for the flavor of coffee drinks. Milk is an important element in coffee drinks. Coffee drinks made with different milks will have different flavors. If the pipes are not cleaned after the coffee machine makes different types of milk, it will affect the taste of the next cup of coffee. However, the fully automatic coffee machines on the market can only clean the milk system inside the coffee machine after making milk coffee, and cannot clean the pipes outside the coffee machine. This will cause odor cross-talk and blockage of the milk pipes, affecting the flavor of the coffee drinks. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide a water channel for cleaning the double milks of a coffee machine. While ensuring that the coffee machine can make coffee with different milk flavors, the milk channel is also cleaned each time, effectively preventing odor transfer and milk channel blockage, and improving the taste of different coffee drinks.

[0004] To solve the above technical problems, the present invention adopts a technical solution: providing a water circuit for implementing double milk cleaning in a coffee machine, comprising a coffee machine water circuit and a refrigerator water circuit. The coffee machine water circuit includes a water tank, a water tank water inlet solenoid valve, a water pump, a hot water boiler, a steam boiler water supply solenoid valve, a steam boiler, a steam solenoid valve, a milk frother, and a milk cold water cleaning solenoid valve. The water tank, water tank water inlet solenoid valve, and water pump are arranged in series. The hot water boiler and the milk cold water cleaning solenoid valve are arranged in parallel at the other end of the water pump. The other end of the hot water boiler is arranged in series with one end of the steam boiler water supply solenoid valve, the steam boiler, the steam solenoid valve, and the milk frother. The refrigerator water circuit includes a first pinch valve, a first milk tank, a second pinch valve, and a second milk tank. The milk frother and the milk cold water cleaning solenoid valve are connected in parallel to the first and second pinch valves arranged in parallel. The first pinch valve is connected to the first milk tank, and the second pinch valve is connected to the second milk tank.

[0005] In a preferred embodiment of the present invention, the water circuit of the coffee machine further includes a third pinch valve.

[0006] In a preferred embodiment of the present invention, the milk froth machine and the milk cold water washing solenoid valve are connected in parallel and then connected to a third pinch valve, and the other end of the third pinch valve is connected to the first pinch valve and the second pinch valve arranged in parallel.

[0007] In a preferred embodiment of the present invention, the refrigerator water circuit further includes a peristaltic pump and a fourth pinch valve.

[0008] In a preferred embodiment of the present invention, the milk frother and the milk cold water washing solenoid valve are connected in parallel to a third pinch valve. The other end of the third pinch valve is connected to a peristaltic pump and a fourth pinch valve arranged in parallel. The other ends of the peristaltic pump and the fourth pinch valve arranged in parallel are connected to the first and second pinch valves arranged in parallel.

[0009] In a preferred embodiment of the present invention, the water circuit of the coffee machine includes a four-way connector.

[0010] In a preferred embodiment of the present invention, the milk frother and the milk cold water washing solenoid valve are connected in parallel to a four-way joint, and the four-way joint is connected to a first pinch valve and a second pinch valve arranged in parallel.

[0011] The beneficial effects of the utility model are as follows: the utility model discloses a water path for cleaning double milks in a coffee machine, which ensures that the coffee machine can make coffee with different milk flavors, and also cleans the milk path each time, thereby effectively preventing odor transfer and milk path blockage, and improving the taste of different coffee drinks. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0013] Figure 1 This is a waterway diagram of a preferred embodiment of the waterway for achieving double milk cleaning in a coffee machine according to the utility model;

[0014] Figure 2 This is a waterway diagram of another preferred embodiment of the waterway for achieving double milk cleaning in a coffee machine according to the utility model;

[0015] Figure 3 This is a waterway diagram of another preferred embodiment of the waterway for achieving double milk cleaning in a coffee machine according to the present invention. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 3 As shown, the embodiment of the utility model includes:

[0018] A water circuit for implementing double milk cleaning in a coffee machine includes a coffee machine water circuit and a refrigerator water circuit. The coffee machine water circuit includes a water tank 1, a water tank water inlet solenoid valve 2, a water pump 3, a hot water boiler 4, a steam boiler water supply solenoid valve 5, a steam boiler 6, a steam solenoid valve 7, a milk frother 8, and a milk cold water cleaning solenoid valve 9. The water tank 1, the water tank water inlet solenoid valve 2, and the water pump 3 are arranged in series. The other end of the water pump 3 is provided with the hot water boiler 4 and the milk cold water cleaning solenoid valve 9 in parallel. The other end of the hot water boiler 4 is arranged in series with one end of the steam boiler water supply solenoid valve 5, the steam boiler 6, the steam solenoid valve 7, and the milk frother 8. The refrigerator water circuit includes a first pinch valve 10, a first milk box 11, a second pinch valve 12, and a second milk box 13. The first pinch valve 10 is connected to the first milk box 11, and the second pinch valve 12 is connected to the second milk box 13. The first milk box 11 contains first fresh milk, and the second milk box 13 contains second fresh milk. Example

[0019] like Figure 1 As shown, the water circuit of the coffee machine further includes a third pinch valve 14 .

[0020] The milk froth machine 8 and the milk cold water washing solenoid valve 9 are connected in parallel to the third pinch valve 14 , and the other end of the third pinch valve 14 is connected to the first pinch valve 10 and the second pinch valve 12 arranged in parallel.

[0021] Cleaning of waterway 1 includes:

[0022] 1. Cleaning after making milk - Select the first fresh milk in the first milk box 11

[0023] If the previous cup of milk was the second fresh milk, click to make the first fresh milk. The coffee machine will prompt you to switch to fresh milk and clean it. Click OK, and the cleaning function will begin. At this point, the third pinch valve 14 is released, the first pinch valve 10 is loosened, and the second pinch valve 12 is clamped. The steam solenoid valve 7 opens for approximately 3 seconds, and the first fresh milk is sucked into the milk frother 8 by negative pressure. After 3 seconds, the first fresh milk is completely filled into the coffee machine and the pipes between the coffee machine and the refrigerator. At this point, the third pinch valve 14 is clamped, the first pinch valve 10 remains loosened, and the second pinch valve 12 remains clamped. The steam solenoid valve 7 closes, and the water pump 3 and the milk cold water cleaning solenoid valve 9 begin operating. The milk in the coffee machine pipes is cleaned with fresh water from the water pump 3. The pipes between the coffee machine and the refrigerator are filled with fresh milk. After cleaning is complete, click Continue. The first fresh milk you are making will not contain any residual second fresh milk.

[0024] 2. Cleaning after making milk - Select the milk in the second milk tank 13

[0025] If the previous cup of milk was first fresh milk, click to make a second fresh milk. The coffee machine will prompt a milk switching and cleaning prompt. Click Confirm, and the cleaning function will begin. At this point, the third pinch valve 14 is released, the first pinch valve 10 is clamped, and the second pinch valve 12 is released. The steam solenoid valve 7 opens for approximately 3 seconds, and the second fresh milk is sucked into the milk frother 8 by negative pressure. After 3 seconds, the second fresh milk is completely filled into the coffee machine and the pipes between the coffee machine and the refrigerator. At this point, the third pinch valve 14 is clamped, the first pinch valve 10 remains clamped, and the second pinch valve 12 remains released. The steam solenoid valve 7 closes, and the water pump 3 and milk cold water cleaning solenoid valve 9 begin operating. The milk in the coffee machine pipes is cleaned with fresh water from the water pump 3. The pipes between the coffee machine and the refrigerator are filled with the second fresh milk. After cleaning is complete, click Continue. The second fresh milk will be made without any residual first fresh milk. Example

[0026] like Figure 2 As shown, the refrigerator water circuit further includes a peristaltic pump 15 and a fourth pinch valve 16 .

[0027] The milk frother 8 and the milk cold water washing solenoid valve 9 are connected in parallel to a third pinch valve 14. The other end of the third pinch valve 14 is connected to a peristaltic pump 15 and a fourth pinch valve 16 arranged in parallel. The other ends of the peristaltic pump 15 and the fourth pinch valve 16 arranged in parallel are connected to the first pinch valve 10 and the second pinch valve 12 arranged in parallel.

[0028] Cleaning of waterway 2 includes:

[0029] 1. Clean after making milk - select the first fresh milk in the first milk box 11 for hot drinks

[0030] If the previous cup of milk was the second fresh milk, click to make a hot drink with the first fresh milk. The coffee machine will prompt you to switch to the milk and clean it. Click OK, and the cleaning function will begin. At this point, the third pinch valve 14 and the fourth pinch valve 16 are released, the first pinch valve 10 is released, and the second pinch valve 12 is clamped. The steam solenoid valve 7 opens for approximately 3 seconds, and the first fresh milk is sucked into the milk frother 8 by negative pressure. After 3 seconds, the first fresh milk is completely filled into the coffee machine and the pipes between the coffee machine and the refrigerator. At this point, the third pinch valve 14 is clamped, the fourth pinch valve 16 remains released, the first pinch valve 10 remains loose, and the second pinch valve 12 remains clamped. The steam solenoid valve 7 closes, and the water pump 3 and the milk cold water cleaning solenoid valve 9 begin operating. The milk in the coffee machine pipes is cleaned with fresh water from the water pump 3. The pipes between the coffee machine and the refrigerator are filled with the first fresh milk. After cleaning is complete, click Continue. The hot first fresh milk you are making will not contain any residual second fresh milk.

[0031] 2. Clean after making milk - select the second fresh milk in the second milk tank 13 for hot drinks

[0032] If the previous cup of milk was first-fresh milk, click to make a second-fresh milk hot drink. The coffee machine will prompt a milk switching and cleaning prompt. Click Confirm, and the cleaning function will begin. At this point, the third pinch valve 14 and the fourth pinch valve 16 are released, the first pinch valve 10 is clamped, and the second pinch valve 12 is released. The steam solenoid valve 7 opens for approximately 3 seconds, and the second-fresh milk is sucked into the milk frother 8 by negative pressure. After 3 seconds, the second-fresh milk is completely filled into the coffee machine and the pipes between the coffee machine and the refrigerator. At this point, the third pinch valve 14 is clamped, the fourth pinch valve 16 remains released, the first pinch valve 10 remains clamped, and the second pinch valve 12 remains released. The steam solenoid valve 7 closes, and the water pump 3 and the milk cold water cleaning solenoid valve 9 begin operating. The milk in the coffee machine pipes is cleaned with fresh water from the water pump 3. The pipes between the coffee machine and the refrigerator are filled with second-fresh milk. After cleaning is complete, click Continue. The hot second-fresh milk you are making will not contain any residual first-fresh milk.

[0033] 3. Clean after making milk - select the first fresh milk in the first cold drink milk box 11

[0034] If the previous cup of milk was the second fresh milk, click to make a cold drink with the first fresh milk. The coffee machine will prompt you to switch to the milk and clean it. Click OK, and the cleaning function will begin. At this point, the third pinch valve 14 is released, the fourth pinch valve 16 is clamped, the first pinch valve 10 is released, and the second pinch valve 12 is clamped. The peristaltic pump 15 operates for approximately 3 seconds, pumping the first fresh milk into the milk frother 8. After 3 seconds, the first fresh milk is completely filled into the coffee machine and the pipes between the coffee machine and the refrigerator. At this point, the third pinch valve 14 is clamped, the fourth pinch valve 16 remains clamped, the first pinch valve 10 remains released, and the second pinch valve 12 remains clamped. The peristaltic pump 15 stops, and the water pump 3 and the milk cold water cleaning solenoid valve 9 begin operating. The milk in the coffee machine pipes is cleaned with the clean water from the water pump 3. The pipes between the coffee machine and the refrigerator are filled with the first fresh milk. After cleaning is complete, click Continue. The hot first fresh milk you are making will not contain any residual second fresh milk.

[0035] 4. Clean after making milk - select the second fresh milk in the second cold drink milk box 13

[0036] If the previous cup of milk was first fresh milk, click to make a second fresh milk cold drink. The coffee machine will prompt you to switch to milk and clean it. Click OK, and the cleaning function will begin. At this point, the third pinch valve 14 is released, the fourth pinch valve 16 is clamped, the first pinch valve 10 is clamped, and the second pinch valve 12 is released. The peristaltic pump 15 operates for approximately 3 seconds, pumping the second fresh milk into the milk frother 8. After 3 seconds, the second fresh milk is completely filled into the coffee machine and the pipes between the coffee machine and the refrigerator. At this point, the third pinch valve 14 is clamped, the fourth pinch valve 16 remains clamped, the first pinch valve 10 remains clamped, and the second pinch valve 12 remains released. The peristaltic pump 15 stops, and the water pump 3 and the milk cold water cleaning solenoid valve 9 begin operating. The milk in the coffee machine pipes is cleaned with water from the water pump 3. The pipes between the coffee machine and the refrigerator are filled with the second fresh milk. After cleaning is complete, click Continue. The hot second fresh milk you prepare will not contain any residual first fresh milk. Example

[0037] like Figure 3 As shown, the water circuit of the coffee machine includes a four-way connector 17.

[0038] The milk froth machine 8 and the milk cold water washing solenoid valve 9 are connected in parallel to a four-way joint 17 , and the four-way joint 17 is connected to a first pinch valve 10 and a second pinch valve 12 arranged in parallel.

[0039] Cleaning of waterway 3 includes:

[0040] 1. Cleaning after making milk - Select the first fresh milk in the first milk box 11

[0041] If the last cup of milk was the second fresh milk, click to make the first fresh milk. The coffee machine will prompt you to switch to the milk and clean it. Click OK, and the cleaning function will begin. At this point, the first and second pinch valves 10 and 12 are simultaneously clamped, and the water pump 3 and the milk cold water cleaning solenoid valve 9 begin to operate, cleaning the milk in the coffee machine's mixing line. After cleaning is complete, click Continue to make the first fresh milk, and the first fresh milk you make will not contain any residual second fresh milk.

[0042] 2. Cleaning after making milk - Select the second fresh milk in the second milk box 13

[0043] If the previous cup of milk was first fresh milk, click to make a second fresh milk. The coffee machine will prompt you to switch to a milk cleaning function. Click OK, and the cleaning function will begin. At this point, the first and second pinch valves 10 and 12 are simultaneously clamped, and the water pump 3 and milk cold water cleaning solenoid valve 9 begin to operate, cleaning the milk in the coffee machine's mixing line. After cleaning is complete, click Continue to make the second fresh milk. The second fresh milk will not contain any residual first fresh milk.

[0044] In summary, the utility model discloses a water path for cleaning double milks in a coffee machine, which ensures that the coffee machine can make coffee with different milk flavors, and also cleans the milk path each time, effectively preventing odor transfer and milk path blockage, thereby improving the taste of different coffee drinks.

[0045] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A water channel for cleaning two milks in a coffee machine, characterized in that: The invention comprises a water circuit for a coffee machine and a water circuit for a refrigerator. The water circuit for the coffee machine comprises a water tank, a water tank water inlet solenoid valve, a water pump, a hot water boiler, a steam boiler water supply solenoid valve, a steam boiler, a steam solenoid valve, a milk frother, and a milk cold water cleaning solenoid valve. The water tank, the water tank water inlet solenoid valve, and the water pump are arranged in series. The hot water boiler and the milk cold water cleaning solenoid valve are arranged in parallel at the other end of the water pump. The other end of the hot water boiler is arranged in series with the steam boiler water supply solenoid valve, the steam boiler, the steam solenoid valve, and one end of the milk frother. The water circuit for the refrigerator comprises a first pinch valve, a first milk box, a second pinch valve, and a second milk box. The milk frother and the milk cold water cleaning solenoid valve are connected in parallel to the first and second pinch valves arranged in parallel. The first pinch valve is connected to the first milk box, and the second pinch valve is connected to the second milk box.

2. The water channel for cleaning the double milk of a coffee machine according to claim 1, characterized in that: The coffee machine water circuit further includes a third pinch valve.

3. The water channel for cleaning the double milk of a coffee machine according to claim 2, characterized in that: The milk froth machine and the milk cold water washing electromagnetic valve are connected in parallel and then connected to the third pinch valve. The other end of the third pinch valve is connected to the first pinch valve and the second pinch valve which are arranged in parallel.

4. The water channel for cleaning the double milk of a coffee machine according to claim 2, characterized in that: The refrigerator water circuit also includes a peristaltic pump and a fourth pinch valve.

5. The water channel for cleaning the double milk of a coffee machine according to claim 4, characterized in that: The milk froth machine and the milk cold water washing solenoid valve are connected in parallel and are connected to the third pinch valve. The other end of the third pinch valve is connected to the peristaltic pump and the fourth pinch valve arranged in parallel. The other ends of the peristaltic pump and the fourth pinch valve arranged in parallel are connected to the first pinch valve and the second pinch valve arranged in parallel.

6. The water channel for cleaning the double milk of a coffee machine according to claim 1, characterized in that: The water channel of the coffee machine includes a four-way joint.

7. The water channel for cleaning the double milk of a coffee machine according to claim 6, characterized in that: The milk froth machine and the milk cold water washing electromagnetic valve are connected in parallel to a four-way joint, and the four-way joint is connected to a first pinch valve and a second pinch valve arranged in parallel.

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