Bubble water machine

Abstract

The utility model provides a sparkling water machine which comprises a shell, and a liquid inlet pipeline, a refrigeration assembly, a carbonization assembly and a circulation pipeline are arranged in the shell; at least part of normal-temperature water from the liquid inlet pipeline is configured to flow into the refrigeration assembly to be cooled to generate cold water. The carbonization assembly is communicated with the refrigeration assembly through a booster pump, the booster pump is constructed to pump cold water in the refrigeration assembly into the carbonization assembly, and the carbonization assembly is constructed to generate sparkling water from the pumped cold water; the booster pump is configured to communicate with the circulation pipeline, and the booster pump is configured to enable cold water in the refrigeration assembly to flow back into the refrigeration assembly again through the circulation pipeline. According to the device, gas in the booster pump is exhausted, so that the booster pump has enough pumping force, and cold water in the refrigeration assembly can be smoothly pumped into the carbonization assembly. In addition, water circulation of the cold water in the refrigeration assembly is achieved, and the uniformity of the temperature of the cold water in the refrigeration assembly is improved.

Description

Technical Field

[0001] This application relates to the technical field of electrical equipment, and particularly to a sparkling water maker. Background Art

[0002] With the improvement of living standards and the enhancement of health awareness, people's demand for healthy drinking water and rich drinking water taste is increasing day by day, and sparkling water makers are becoming more and more popular. A sparkling water maker can inject carbon dioxide gas into cold water, thereby achieving better bubble generation effect and taste.

[0003] In the prior art, a booster pump is usually used as the power source component for pumping cold water into the water-vapor mixing tank. In the actual application process, part of the gas in the water-vapor mixing tank will overflow and enter the booster pump through the pipeline. Since the pressure in the water-vapor mixing tank is very high, it is difficult to exhaust the gas after it enters the booster pump, and the pumping force of the booster pump is not enough to pump cold water into the water-vapor mixing tank, so the sparkling water maker cannot generate sparkling water normally. How to discharge the gas in the booster pump is a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0004] In view of this, an embodiment of the present application provides a sparkling water maker to solve the above problems existing in the prior art.

[0005] According to the first aspect of the embodiments of the present application, a sparkling water maker is provided, including a housing, and the housing is provided with:

[0006] A liquid inlet pipeline;

[0007] A refrigeration component, at least part of the normal temperature water from the liquid inlet pipeline is configured to flow into the refrigeration component to be cooled to generate cold water;

[0008] A carbonation component, the carbonation component is connected to the refrigeration component through a booster pump, the booster pump is configured to pump the cold water in the refrigeration component into the carbonation component, and the carbonation component is configured to generate sparkling water from the pumped cold water;

[0009] A circulation pipeline, the booster pump is configured to be connected to the circulation pipeline, and the booster pump is configured to re-circulate the cold water in the refrigeration component back to the refrigeration component through the circulation pipeline.

[0010] In an embodiment of the present application, it further includes a cold water outlet pipeline connected to the refrigeration component and a normal temperature water outlet pipeline connected to the liquid inlet pipeline; when the cold water outlet pipeline is opened, the cold water is configured to be discharged from the sparkling water maker under the action of the booster pump; when the normal temperature water outlet pipeline is opened, the normal temperature water is configured to be discharged from the sparkling water maker.

[0011] In an embodiment of the present application, a connecting pipeline is further included, and the connecting pipeline is configured to connect the cold water outlet pipeline and the normal temperature water outlet pipeline; a part of the cold water outlet pipeline, the connecting pipeline, a part of the normal temperature water outlet pipeline, and a part of the liquid inlet pipeline are sequentially connected to form the circulating pipeline.

[0012] In an embodiment of the present application, a make-up water pipeline is further included, and the make-up water pipeline is configured to connect the cold water outlet pipeline and the carbonization assembly; at least a part of the cold water is configured to flow into the carbonization assembly through a part of the cold water outlet pipeline and the make-up water pipeline under the action of the booster pump.

[0013] In an embodiment of the present application, a first solenoid valve is arranged at a position on the circulating pipeline downstream of the make-up water pipeline; in the case where the booster pump continuously operates, the first solenoid valve is configured to close after the circulating pipeline is opened for a predetermined time.

[0014] In an embodiment of the present application, the first solenoid valve is arranged at a position on the liquid inlet pipeline downstream of the normal temperature water outlet pipeline.

[0015] In an embodiment of the present application, a make-up water one-way valve is arranged in the make-up water pipeline, and the make-up water one-way valve is configured to allow the liquid in the make-up water pipeline to flow in the direction of the carbonization assembly.

[0016] In an embodiment of the present application, a return pipeline is further included, and the return pipeline is configured to connect the cold water outlet pipeline and the refrigeration assembly respectively; a part of the cold water outlet pipeline and the return pipeline are sequentially connected to form the circulating pipeline.

[0017] In an embodiment of the present application, a make-up water pipeline is further included, and the make-up water pipeline is configured to connect the cold water outlet pipeline and the carbonization assembly; at least a part of the cold water is configured to flow into the carbonization assembly through a part of the cold water outlet pipeline and the make-up water pipeline under the action of the booster pump;

[0018] A second solenoid valve is arranged in the return pipeline, and in the case where the booster pump continuously operates, the second solenoid valve is configured to close after the circulating pipeline is opened for a predetermined time.

[0019] In an embodiment of the present application, the refrigeration assembly includes a cold water tank for cooling liquid, including a cold water tank inlet and a cold water tank outlet, wherein the cold water tank inlet is configured to communicate with the liquid inlet pipeline; the cold water tank outlet is configured to communicate with the cold water outlet pipeline.

[0020] In an embodiment of the present application, the carbonization assembly includes a carbonization tank and a carbon dioxide gas source, and the carbon dioxide gas source is configured to deliver carbon dioxide gas into the carbonization tank; the carbonization tank is configured to be at least partially located in the cold water tank.

[0021] In an embodiment of the present application, a control unit is further included. Before pumping the cold water into the carbonization assembly, the control unit is configured to open the circulation pipeline, and the booster pump is configured to pre-return the cold water through the circulation pipeline to the refrigeration assembly.

[0022] In an embodiment of the present application, the opening time of the circulation pipeline is configured to be greater than or equal to 1 second.

[0023] The present application provides a sparkling water machine with a circulation pipeline. When the circulation pipeline is opened, the cold water in the refrigeration assembly can re-circulate back to the refrigeration assembly. When flowing through the booster pump, since there is no backpressure in the booster pump, the gas in the booster pump can enter the refrigeration assembly together with the water flow. In this way, the gas in the booster pump is discharged, so that the booster pump has sufficient pumping force to smoothly pump the cold water in the refrigeration assembly into the carbonization assembly, and the sparkling water machine can normally realize the function of generating sparkling water. In addition, during the process of exhausting the gas in the booster pump through the circulation pipeline, the cold water in the refrigeration assembly realizes water circulation, thereby improving the uniformity of the cold water temperature in the refrigeration assembly. Description of the Drawings

[0024] Figure 1 is a schematic diagram of the internal pipeline of the sparkling water machine provided by an embodiment of the present application;

[0025] Figure 2 is a schematic diagram of the internal pipeline of the sparkling water machine provided by an embodiment of the present application.

[0026] Figures 1 to 2 The one-to-one correspondence between the names of the components and the reference numerals in the

[0027] 11. Cold water tank; 12. Compressor; 13. Condenser; 14. Fan; 15. Evaporator; 21. Carbonation tank; 22. Carbon dioxide gas source; 23. Pressure reducing valve; 24. Pressure switch; 25. Gas injection valve; 26. Pressure relief valve; 3. Cold water outlet pipeline; 30. Booster pump; 31. Cold water three-way pipe joint; 32. First three-way pipe joint; 33. Cold water solenoid valve; 34. Cold water check valve; 4. Liquid inlet pipeline; 40. Normal temperature water inlet; 41. Normal temperature water make-up solenoid valve; 42. Liquid inlet check valve; 43. Normal temperature water check valve; 44. Normal temperature water three-way pipe joint; 5. Normal temperature water outlet pipeline; 51. Normal temperature water solenoid valve; 52. Second three-way pipe joint; 6. Sparkling water outlet pipeline; 61. Damper valve; 62. Sparkling water solenoid valve; 7. Water replenishing pipeline; 71. Water replenishing check valve; 8. Connecting pipeline; 9. Return pipeline; 91. Second solenoid valve; 92. Third three-way pipe joint; 101. Liquid outlet; 102. Mixing water check valve; 103. External water supply pipeline. Detailed implementation manners

[0028] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementations disclosed below.

[0029] The terms used in one or more embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit one or more embodiments of the present application. The singular forms "a", "the", and "said" used in one or more embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used in one or more embodiments of the present application refers to and includes any or all possible combinations of one or more of the associated listed items.

[0030] It should be understood that although the terms first, second, etc. may be used in one or more embodiments of the present application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of one or more embodiments of the present application, the first may also be referred to as the second, and similarly, the second may also be referred to as the first. Depending on the context, the word "if" as used herein may be interpreted as "when" or "while" or "in response to determining".

[0031] It should be noted that: Unless otherwise specifically stated, the relative arrangements, numerical expressions, and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present application.

[0032] Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such technologies, methods, and devices should be considered part of the specification. It should be noted that like reference numerals and letters denote like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof in subsequent figures is not required.

[0033] In this document, "upper", "lower", "front", "rear", "left", "right", etc. are only used to represent the relative positional relationship between relevant parts, rather than defining the absolute positions of these relevant parts.

[0034] A sparkling water machine is a machine used to make sparkling beverages (carbonated beverages). Its principle is to inject carbon dioxide into a carbonation tank, and then inject a liquid into the carbonation tank to dissolve the carbon dioxide in the liquid, thereby making carbonated beverages. A refrigeration component is usually provided in the sparkling water machine because the solubility of carbon dioxide in cold water is relatively high, and using cold water to prepare sparkling water can make its taste better.

[0035] A booster pump can be provided in the sparkling water machine, and the booster pump serves as a power element for pumping cold water into the carbonation tank. However, the carbon dioxide gas in the carbonation tank may overflow and enter the booster pump through the pipeline, which causes the pumping force of the booster pump to decrease. A booster pump with insufficient pumping force is difficult to pump cold water into the carbonation tank, and thus the sparkling water machine cannot normally generate sparkling water.

[0036] To solve the above problems, the present application provides a sparkling water machine, which will be described in detail in the following embodiments.

[0037] Embodiment 1

[0038] Reference Figure 1 , this embodiment provides a sparkling water machine, which includes a housing. Inside the housing, there are provided: a liquid inlet pipeline 4, a refrigeration component, a carbonation component, and a circulation pipeline. One end of the liquid inlet pipeline 4 is configured as a normal temperature water inlet 40, and the normal temperature water from outside the sparkling water machine flows into the interior of the sparkling water machine through the normal temperature water inlet 40. The normal temperature water inlet 40 can be connected to a water source suitable for direct drinking, so that the produced sparkling water is clean and can be directly drunk. In a specific embodiment of the present application, the normal temperature water inlet 40 can be connected to a water purification device, so that the normal temperature water flowing into the sparkling water machine is filtered pure water.

[0039] In an embodiment of the present application, a normal temperature water outlet pipeline 5 connected to the liquid inlet pipeline 4 is further provided inside the housing. When the normal temperature water outlet pipeline 5 is opened, the normal temperature water is configured to be discharged from the sparkling water machine. Specifically, as Figure 1As shown, a normal-temperature water three-way pipe joint 44 is provided on the liquid inlet pipeline 4, and the normal-temperature water outlet pipeline 5 is connected to the liquid inlet pipeline 4 through the normal-temperature water three-way pipe joint 44. A liquid inlet check valve 42 may be provided at a position on the liquid inlet pipeline 4 upstream of the normal-temperature water three-way pipe joint 44, so that the normal-temperature water from the normal-temperature water inlet 40 flows unidirectionally in the liquid inlet pipeline 4 upstream of the normal-temperature water three-way pipe joint 44.

[0040] The normal-temperature water transported to the three-way pipe joint 44 can continue to flow along the liquid inlet pipeline 4 to the refrigeration component, or can flow into the normal-temperature water outlet pipeline 5. The end of the normal-temperature water outlet pipeline 5 is connected to the liquid outlet 101, and the liquid outlet 101 is used to communicate with an external liquid outlet device, and the liquid outlet device can be understood as a faucet. A normal-temperature water solenoid valve 51 is provided on the normal-temperature water outlet pipeline. When the normal-temperature water solenoid valve 51 is opened, that is, when the normal-temperature water outlet pipeline 5 is opened, the normal-temperature water can flow along the normal-temperature water outlet pipeline 5 to the liquid outlet 101, so as to discharge the bubble water machine, and the user can obtain the normal-temperature water through the faucet.

[0041] At least part of the normal-temperature water from the liquid inlet pipeline 4 is configured to flow into the refrigeration component to be cooled to generate cold water. Specifically, as Figure 1 shown, a normal-temperature water make-up solenoid valve 41 is provided at a position on the liquid inlet pipeline 4 downstream of the normal-temperature water three-way pipe joint 44. When the normal-temperature water make-up solenoid valve 41 is opened, the normal-temperature water can flow into the refrigeration component along the liquid inlet pipeline 4. A normal-temperature water check valve 43 may be provided at a position on the liquid inlet pipeline 4 between the normal-temperature water three-way pipe joint 44 and the normal-temperature water make-up solenoid valve 41, so that the normal-temperature water flowing to the downstream of the normal-temperature water three-way pipe joint 44 can only flow unidirectionally in the liquid inlet pipeline 4.

[0042] In a specific embodiment of the present application, the refrigeration component includes a cold water tank 11, and the cold water tank 11 is used to cool the liquid. The cold water tank 11 includes a cold water tank inlet and a cold water tank 11 outlet. Among them, the cold water tank 11 inlet is configured to communicate with the liquid inlet pipeline 4, and the cold water tank 11 outlet is configured to communicate with the cold water outlet pipeline 3. The cold water tank 11 is the main structure of the refrigeration component. The normal-temperature water flows into the cold water tank 11 from the inlet and is cooled in the cold water tank 11; the cold water generated by cooling can be stored in the cold water tank 11 for ready use at any time. The cold water tank 11 can have a relatively large capacity, so that the user can discharge more cold water at one time.

[0043] The refrigeration assembly may further include a compressor 12, a condenser 13, a fan 14, and an evaporator 15. Among them, the compressor 12 can boost the refrigerant from low pressure to high pressure; the condenser 13 can cool the high-temperature and high-pressure refrigerant discharged from the compressor 12 into a liquid; the fan 14 can increase the air flow, thereby promoting the heat exchange efficiency of the condenser 13; the evaporator 15 is arranged in the cold water tank 11, and the evaporator 15 can convert the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure state, thereby cooling the liquid in the cold water tank 11. The above-mentioned various components make the refrigerant circulate continuously, so that the heat in the cold water tank 11 is continuously discharged to the environment with a higher temperature.

[0044] In an embodiment of the present application, a cold water outlet pipeline 3 communicating with the refrigeration assembly is further arranged in the housing. When the cold water outlet pipeline 3 is opened, the cold water is configured to be discharged from the bubble water machine under the action of a booster pump 30. As Figure 1 shown, the booster pump 30 can be arranged on the cold water outlet pipeline 3. Under the pumping action of the booster pump 30, the cold water in the cold water tank 11 can flow along the cold water outlet pipeline 3. A cold water check valve 34 can be arranged at a position downstream of the booster pump 30 on the cold water outlet pipeline 3, so that the cold water from the cold water tank 11 flows unidirectionally in the cold water outlet pipeline 3.

[0045] The end of the cold water outlet pipeline 3 is communicated with the liquid outlet 101. A cold water solenoid valve 33 is arranged on the cold water outlet pipeline 3. When the cold water solenoid valve 33 is opened, that is, when the cold water outlet pipeline 3 is opened, the cold water can flow along the cold water outlet pipeline 3 to the liquid outlet 101, thereby discharging from the bubble water machine, and the user can draw cold water through a faucet.

[0046] The carbonation assembly is communicated with the refrigeration assembly through the booster pump 30. The booster pump 30 is configured to pump the cold water in the refrigeration assembly into the carbonation assembly, and the carbonation assembly is configured to generate bubble water from the pumped cold water. Specifically, a water replenishing pipeline 7 is further arranged in the housing, and the water replenishing pipeline 7 is configured to communicate with the cold water outlet pipeline 3 and the carbonation assembly. At least part of the cold water is configured to flow into the carbonation assembly through part of the cold water outlet pipeline 3 and the water replenishing pipeline 7 under the action of the booster pump 30. A cold water three-way pipe joint 31 is arranged on the cold water outlet pipeline 3, and the water replenishing pipeline 7 is communicated with the cold water outlet pipeline 3 through the cold water three-way pipe joint 31.

[0047] It should be noted that when there are other flow endpoints for cold water besides the carbonation component, the cold water will not flow into the carbonation component because there is a large amount of carbon dioxide gas inside the carbonation component, resulting in a high internal air pressure, and the cold water cannot spontaneously flow towards the carbonation component. For example, when the cold water solenoid valve 33 is opened, the cold water will flow to the liquid outlet 101 under the pumping action of the booster pump 30 instead of flowing into the carbonation component. When it is necessary to pump cold water into the carbonation component, it is necessary to ensure that all the corresponding control valves on the pipelines where other cold water can reach are closed except for the water supply pipeline 7. At this time, by opening the booster pump 30, the cold water can be pumped into the carbonation component to generate sparkling water.

[0048] In an embodiment of the present application, a sparkling water outlet pipeline 6 communicating with the carbonation component is further provided inside the housing. When the sparkling water outlet pipeline 6 is opened, the sparkling water is configured to be discharged from the sparkling water machine under pressure. As Figure 1 shown, the end of the sparkling water outlet pipeline 6 is communicated with the liquid outlet 101. A sparkling water solenoid valve 62 is provided on the sparkling water outlet pipeline 6. When the sparkling water solenoid valve 62 is opened, that is, when the sparkling water outlet pipeline 6 is opened, the sparkling water can flow along the sparkling water outlet pipeline 6 to the liquid outlet 101, thereby discharging from the sparkling water machine, and the user can draw the sparkling water through a faucet.

[0049] As described above, the ends of the cold water outlet pipeline 3, the normal temperature water outlet pipeline 5, and the sparkling water outlet pipeline 6 are all communicated with the liquid outlet 101. Therefore, the sparkling water machine of the present application can discharge normal temperature water, cold water, or sparkling water. The liquid outlet device communicated with the liquid outlet 101 can be a faucet with multiple water outlet modes. The user can select the water outlet type according to their own needs and control the liquid outlet device to discharge normal temperature water, cold water, or sparkling water through methods such as faucet gears, buttons, remote controls, etc.

[0050] In an embodiment of the present application, a damping valve 61 is provided on the sparkling water outlet pipeline 6, and the damping valve 61 can be arranged at a position between the carbonation component and the sparkling water solenoid valve 62. Since the internal air pressure of the carbonation component is relatively large, when the sparkling water solenoid valve 62 is opened, the sparkling water may be ejected from the faucet under the action of pressure, resulting in a poor user experience. The damping valve 61 can slow down the flow rate of the sparkling water in the sparkling water outlet pipeline 6, so that the sparkling water can slowly flow out of the faucet at a normal speed, improving the user experience.

[0051] In a specific embodiment of the present application, refer to Figure 1, the carbonation component includes a carbonation tank 21 and a carbon dioxide gas source 22, and the carbon dioxide gas source 22 is configured to transport carbon dioxide gas into the carbonation tank 21. The carbonation tank 21 is the main structure of the carbonation component. Cold water flows into the carbonation tank 21 from the inlet, and mixes with carbon dioxide in the carbonation tank 21 to generate carbonated water, which can be stored in the carbonation tank 21 for ready use. In a specific embodiment, a distributor can be provided at the inlet of the carbonation tank 21 to uniformly spray the cold water into the carbonation tank 21, so that the cold water and carbon dioxide are uniformly mixed, improving the gas content in the carbonated water.

[0052] In an embodiment of the present application, the carbonation tank 21 is configured to be at least partially located inside the cold water tank 11. The carbonation tank 21 may only expose the top for connecting other pipelines outside the cold water tank 11, and the rest can be placed inside the cold water tank 11. The cold water tank 11 and the carbonation tank 21 together form a "tank-in-tank" structure. The temperature inside the cold water tank 11 is low and continuously refrigerated, so the carbonation tank 21 can be insulated by the cold water tank 11, making the carbonated water provided by the carbonated water machine have a better taste. Specifically, in the state of heat preservation using the "tank-in-tank" structure, the user can continuously discharge about 1.3L of relatively constant temperature (the water temperature fluctuation range is ±1 degree) carbonated water, improving the user experience.

[0053] A pressure reducing valve 23, a pressure switch 24, an injection valve 25 and a pressure relief valve 26 are provided on the gas supply pipeline between the carbon dioxide gas source 22 and the carbonation tank 21. Among them, the injection valve 25 is a one-way valve, so that the carbon dioxide gas source 22 can unidirectionally transport carbon dioxide to the carbonation tank 21, and the gas-liquid mixture in the carbonation tank 21 will not flow back to the carbon dioxide gas source 22. The injection valve 25 can be set close to the carbonation tank 21, so that only carbon dioxide gas exists in the gas supply pipeline and will not be contaminated by the gas-liquid mixture in the carbonation tank 21. The carbon dioxide gas source 22 is connected to the carbonation tank 21 through the pressure reducing valve 23 and is configured to be in a normally open state, and the pressure inside the carbonation tank 21 is monitored in real time through the pressure switch 24 to keep the pressure in the tank at 4 ± 0.5 Bar. This can ensure that the pressure in the carbonation tank 21 is large enough, so as to ensure that when the booster pump 30 and the cold water solenoid valve 33 are opened at the same time, the cold water will only flow to the liquid outlet 101 and will not flow into the carbonation tank 21. The pressure relief valve 26 can be opened when the pressure in the carbonation tank 21 is too high, so as to release the pressure in the carbonation tank 21, prevent the carbonation component from being damaged, and ensure the safety of the carbonation component.

[0054] In an embodiment of the present application, a check valve 71 for water replenishment is provided in the water replenishing pipeline 7. The check valve 71 for water replenishment is configured to allow the liquid in the water replenishing pipeline 7 to flow in the direction of the carbonization assembly. The check valve 71 for water replenishment prevents the aerated water in the carbonization tank 21 from flowing reversely through the water replenishing pipeline 7 into the cold water outlet pipeline 3. It can be understood that the pressure in the carbonization tank 21 is relatively high. Without the check valve 71 for water replenishment, the aerated water in the carbonization tank 21 would flow from the water replenishing pipeline 7 into the cold water outlet pipeline 3 under the action of pressure, thus contaminating the cold water outlet pipeline 3. However, although the check valve 71 for water replenishment can achieve one-way blocking of the liquid, it cannot completely block the gas unidirectionally. Therefore, a certain amount of carbon dioxide gas will leak reversely from the water replenishing pipeline 7 into the cold water outlet pipeline 3 and enter the booster pump 30 along the cold water outlet pipeline 3, resulting in the problem of the pumping force reduction of the booster pump 30.

[0055] To solve the above problems, a circulation pipeline is provided in the bubble water machine of the present application. The booster pump 30 is configured to be connected to the circulation pipeline, and the booster pump 30 is configured to re-circulate the cold water in the refrigeration assembly back to the refrigeration assembly through the circulation pipeline. In an embodiment of the present application, referring to Figure 1 , a connecting pipeline 8 is further provided in the housing. The connecting pipeline 8 is configured to connect the cold water outlet pipeline 3 and the normal temperature water outlet pipeline 5. A first three-way pipe joint 32 is provided in the cold water outlet pipeline 3, and a second three-way pipe joint 52 is provided on the normal temperature water outlet pipeline 5. Two ends of the connecting pipeline 8 are respectively connected to the bypass ports of the first three-way pipe joint 32 and the second three-way pipe joint 52, thereby connecting the cold water outlet pipeline 3 and the normal temperature water outlet pipeline 5 together.

[0056] As Figure 1 shown, a part of the cold water outlet pipeline 3, the connecting pipeline 8, a part of the normal temperature water outlet pipeline 5, and a part of the liquid inlet pipeline 4 are connected in sequence to form a circulation pipeline. The specific process of the cold water circulation is as follows: The cold water flows out of the cold water tank 11 and flows in the cold water outlet pipeline 3 under the pumping action of the booster pump 30; when it flows to the position of the first three-way pipe joint 32, since the cold water solenoid valve 33 is in the closed state, the cold water will flow into the connecting pipeline 8; when it flows to the position of the second three-way pipe joint 52, since the normal temperature water solenoid valve 51 is in the closed state, the cold water will continue to flow downward (refer to Figure 1 viewing direction) into the normal temperature water outlet pipeline 5; when it flows to the position of the normal temperature three-way pipe joint 44, under the restrictive action of the liquid inlet check valve 42 and the normal temperature check valve 43, the cold water will flow to the left (refer to Figure 1 viewing direction); at this time, the normal temperature water replenishing solenoid valve 41 is in the open state, and the cold water can flow into the cold water tank 11 along the liquid inlet pipeline 4, thus realizing the circulation.

[0057] The present application provides a sparkling water machine with a circulation pipeline. When the circulation pipeline is opened, the cold water in the refrigeration assembly can return to the refrigeration assembly again. When flowing through the booster pump 30, since there is no back pressure in the booster pump 30, the gas in the booster pump 30 can enter the refrigeration assembly together with the water flow. In this way, the gas in the booster pump 30 is discharged, so that the booster pump 30 has sufficient pumping force and can smoothly pump the cold water in the refrigeration assembly into the carbonation assembly, and the sparkling water machine can normally realize the function of generating sparkling water. In addition, during the process of exhausting the gas in the booster pump 30 through the circulation pipeline, the cold water in the refrigeration assembly realizes water circulation, thereby improving the uniformity of the cold water temperature in the refrigeration assembly.

[0058] In an embodiment of the present application, a first solenoid valve is provided at a position on the circulation pipeline downstream of the makeup water pipeline 7. When the booster pump 30 works continuously, the first solenoid valve is configured to close after the circulation pipeline is opened for a predetermined time. The first solenoid valve can be provided at a position on the liquid inlet pipeline 4 downstream of the normal temperature water outlet pipeline 5. In this embodiment, the first solenoid valve is the normal temperature water makeup solenoid valve 41. By controlling the opening and closing of the first solenoid valve, the opening or closing of the circulation pipeline can be realized. Specifically: when the normal temperature water makeup solenoid valve 41 is opened and the cold water solenoid valve 33, the normal temperature water solenoid valve 51, and the sparkling water solenoid valve 62 are all kept closed, the booster pump 30 is turned on, and the cold water can flow back in the circulation pipeline, so as to discharge the gas in the booster pump 30; after the circulation pipeline is opened for a predetermined time, it can be considered that the gas in the booster pump 30 has been completely discharged or mostly discharged. At this time, the pumping force of the booster pump 30 basically returns to normal, so the normal temperature water makeup solenoid valve 41 can be closed to end the cold water circulation. After the cold water circulation ends, the booster pump 30 can be turned off, or the booster pump 30 can be kept in the on state to continue injecting cold water into the carbonation tank 21 through part of the cold water outlet pipeline 3 and the makeup water pipeline 7.

[0059] In an embodiment of the present application, the sparkling water machine further includes a control unit. Before pumping the cold water into the carbonation assembly, the control unit is configured to open the circulation pipeline, and the booster pump 30 is configured to pre-return the cold water to the refrigeration assembly through the circulation pipeline. The gas in the booster pump 30 causes its pumping force to decrease, and it is difficult to pump the cold water into the carbonation tank 21 with a very high pressure. In order to ensure that the cold water can be pumped into the carbonation tank 21, before each operation of supplementing cold water to the carbonation tank 21, the control unit needs to pre-open the circulation pipeline, so that before pumping the cold water into the carbonation tank 21, the gas in the booster pump 30 is discharged by the cold water through reflux first, so as to improve the pumping force of the booster pump 30.

[0060] In a specific embodiment of the present application, the opening time of the circulation pipeline is configured to be greater than or equal to 1 second. In this embodiment, before the carbonization tank 21 is replenished with cold water, the normal temperature water replenishment solenoid valve 41 needs to be controlled to be opened for a time greater than or equal to 1 second. The cold water flowing in the circulation pipeline must at least transport the gas in the booster pump 30 to a position exceeding the cold water three-way pipe joint 31, so that there is no longer any gas that hinders water replenishment in the pipeline between the cold water tank 11 and the carbonization tank 21, so that water can be replenished smoothly after closing the normal temperature water replenishment solenoid valve 41. After closing the normal temperature water replenishment solenoid valve 41, the booster pump 30 does not need to be closed. The booster pump 30 after exhaust has a sufficiently large pumping force, so it can pump cold water into the carbonization tank 21 until the water level in the carbonization tank 21 reaches a predetermined height, and then the booster pump 30 can be closed to stop replenishing water.

[0061] In one embodiment of the present application, an external water supply pipeline 103 is also provided in the shell, and the external water supply pipeline 103 is used to discharge room temperature water and supply water to other external devices. The external device can be various devices that require water, such as cooking equipment, cleaning equipment, humidifiers, water heaters, etc. Taking the cooking equipment as an example, the cooking equipment often needs to add water during the cooking process, and purified water needs to be added to ensure the quality of the dishes. If the user manually adds water many times during the cooking process, it will be very troublesome, so the cooking equipment can be directly connected to the bubble water machine to achieve automatic water supply, thereby improving the user experience.

[0062] like Figure 1 As shown, the external water supply pipeline 103 is connected to the normal temperature water replenishment electromagnetic valve 41, and the normal temperature water replenishment electromagnetic valve 41 can be a one-inlet and two-outlet electromagnetic valve, whose inlet is connected to the normal temperature water inlet 40, and whose two outlets are respectively connected to the refrigeration component and the external water supply pipeline 103. When the normal temperature water replenishment electromagnetic valve 41 is opened to the first position that connects the normal temperature water inlet 40 with the refrigeration component, the normal temperature water flowing into the bubble water machine from the normal temperature water inlet 40 can flow to the refrigeration component; when the normal temperature water replenishment electromagnetic valve 41 is opened to the second position that connects the normal temperature water inlet 40 with the external water supply pipeline 103, the normal temperature water flowing into the bubble water machine from the normal temperature water inlet 40 can flow into the external water supply pipeline 103, and then discharged from the bubble water machine to provide normal temperature water to the external device.

[0063] In one embodiment of the present application, the cold water outlet pipeline 3 and the normal temperature water outlet pipeline 5 can be firstly connected to the mixed water pipeline before being connected to the liquid outlet 101. Figure 1As shown, a check valve 102 is provided on the mixing water pipeline, so that cold water and normal temperature water flow unidirectionally in the mixing water pipeline. When the cold water outlet pipeline 3 and the normal temperature water outlet pipeline 5 are opened simultaneously, cold water and normal temperature water can enter the mixing water pipeline for mixing, and cold water at different temperatures can be obtained under different mixing ratios. The bubble water machine of the present application has the function of multi-stage water temperature adjustment, which can thus meet the more diverse water use needs of users and improve the user experience.

[0064] Embodiment 2

[0065] This embodiment also provides a bubble water machine, which is only different from Embodiment 1 in the setting form of the circulation pipeline.

[0066] Reference Figure 2 , in the bubble water machine of this embodiment, the connection pipeline 8 in Embodiment 1 may no longer be provided, but the cold water circulation is realized by setting a return pipeline 9. Specifically, the return pipeline 9 is configured to communicate with the cold water outlet pipeline 3 and the refrigeration component respectively, and part of the cold water outlet pipeline 3 and the return pipeline 9 are connected in sequence to form a circulation pipeline. A third three-way pipe joint 92 may be provided on the cold water outlet pipeline 3, and the third three-way pipe joint 92 is arranged at the downstream position of the booster pump 30. The two ends of the return pipeline 9 are respectively communicated with the bypass port of the third three-way pipe joint 92 and the cold water tank 11, so that when the return pipeline 9 is opened, the cold water flowing to the downstream position of the booster pump 30 in the cold water outlet pipeline 3 can be directly transported into the cold water tank 11, thereby realizing the cold water circulation.

[0067] In an embodiment of the present application, a second solenoid valve 91 is provided in the return pipeline 9. When the booster pump 30 works continuously, the second solenoid valve 91 is configured to close after the circulation pipeline is opened for a predetermined time. Before the operation of supplementing cold water to the carbonation tank 21 needs to be performed, the control unit needs to pre-control the opening of the second solenoid valve 91 and the booster pump 30: cold water flows out of the cold water tank 11 and flows in the cold water outlet pipeline 3 under the pumping action of the booster pump 30; when flowing to the position of the third three-way pipe joint 92, since the cold water solenoid valve 33 is in the closed state, the cold water will flow into the return pipeline 9 and flow to the cold water tank 11 along the return pipeline 9, thereby realizing the circulation.

[0068] During the circulation process, since there is no back pressure in the booster pump 30, the gas in the booster pump 30 can enter the cold water tank 11 along with the water flow, thereby discharging the gas in the booster pump 30. In this way, the booster pump 30 has sufficient pumping force to smoothly pump the cold water in the cold water tank 11 into the carbonation tank 21, and the bubble water machine can normally realize the function of generating bubble water. In addition, during the process of exhausting gas from the booster pump 30 through the circulation pipeline, the cold water in the refrigeration component realizes water circulation, thereby improving the uniformity of the cold water temperature in the refrigeration component.

[0069] The second solenoid valve 91 can be closed after being opened for a predetermined time, thereby ending the cycle. Preferably, the predetermined time is greater than or equal to 1 second. After closing the second solenoid valve 91, the booster pump 30 does not need to be closed. The booster pump 30 after exhaust has a sufficiently large pumping force, so it can pump cold water into the carbonization tank 21. The cold water flows into the carbonization tank 21 through part of the cold water outlet pipeline 3 and the water supply pipeline 7 until the water level in the carbonization tank 21 reaches a predetermined height, and then the booster pump 30 can be closed to stop the water supply.

[0070] Embodiment 3

[0071] This embodiment provides a control method for a bubble water machine, which can be applied to the bubble water machines provided in the first and second embodiments.

[0072] The cold water one-way valve 34 is controlled to remain normally open. When the sparkling water machine is in standby mode, that is, when the booster pump 30 is not working, the passage from the carbonation tank 21 to the liquid outlet 101 remains normally open. The gas in the carbonation tank 21 can be transported to the liquid outlet 101 through the water replenishment pipeline 7 and part of the cold water outlet pipeline 3, and then directly discharged from the liquid outlet 101. The gas in the carbonation tank 21 no longer passes through the booster pump 30, so that the pumping force of the booster pump 30 will not decrease.

[0073] Before the operation of replenishing cold water to the carbonization tank 21 is required, the cold water one-way valve 34 is controlled to be closed, and then the booster pump 30 is started. It is understandable that, since the air pressure in the carbonization tank 21 is very high, when the cold water solenoid valve 33 is opened, the cold water will flow to the liquid outlet 101 under the pumping action of the booster pump 30, and will not flow into the carbonization component. Therefore, when it is necessary to pump cold water to the carbonization component, it is necessary to ensure that, except for the water replenishment pipeline 7, all the corresponding control valves on the pipelines that can be reached by cold water are closed. At this time, the booster pump 30 can be turned on to pump cold water into the carbonization component to generate bubble water.

[0074] Application scenario 1

[0075] For the bubble water machine provided in the first embodiment, a water level detection device may be provided in the carbonation tank 21. When the water level is lower than a predetermined height, cold water needs to be added to the carbonation tank 21 to ensure that the bubble water in the bubble water machine is sufficient. Before adding cold water, since the gas entering the booster pump 30 reduces its pumping force, it is necessary to open the circulation pipeline to circulate cold water first, so as to discharge the gas in the booster pump 30 during the process.

[0076] The normal temperature water replenishment solenoid valve 41 and the booster pump 30 are opened, and the other solenoid valves remain closed, thereby opening the circulation pipeline. The specific process of cold water reflux is as follows: cold water flows out of the cold water tank 11 and flows in the cold water outlet pipeline 3 under the pumping action of the booster pump 30; when it flows to the position of the first three-way pipe joint 32, since the cold water solenoid valve 33 is in a closed state, the cold water will flow into the connecting pipeline 8; when it flows to the position of the second three-way pipe joint 52, since the normal temperature water solenoid valve 51 is in a closed state, the cold water will continue to flow into the normal temperature water outlet pipeline 5; when it flows to the position of the normal temperature water three-way pipe joint 44, under the limiting action of the liquid inlet check valve 42 and the normal temperature water check valve 43, the cold water will flow toward the cold water tank 11; at this time, the normal temperature water replenishment solenoid valve 41 is in an open state, and the cold water can flow into the cold water tank 11 along the liquid inlet pipeline 4, thereby realizing circulation.

[0077] The opening time of the normal temperature water replenishment solenoid valve 41 is greater than or equal to 1 second, for example, it can be opened for 2 seconds, so that the cold water can discharge the gas in the booster pump 30 through reflux to improve the pumping force of the booster pump 30. After closing the normal temperature water replenishment solenoid valve 41, the booster pump 30 is kept open, and the booster pump 30 after exhaust has a sufficiently large pumping force, so that the cold water can be pumped into the carbonization tank 21. The cold water flows into the carbonization tank 21 through part of the cold water outlet pipeline 3 and the water replenishment pipeline 7 until the water level in the carbonization tank 21 reaches a predetermined height, and then the booster pump 30 can be closed to stop replenishing water.

[0078] Application scenario 2

[0079] For the bubble water machine provided in the second embodiment, a water level detection device may be provided in the carbonation tank 21. When the water level is lower than a predetermined height, cold water needs to be added to the carbonation tank 21 to ensure that the bubble water in the bubble water machine is sufficient. Before adding cold water, since the gas entering the booster pump 30 reduces its pumping force, it is necessary to open the circulation pipeline to circulate cold water first, so as to discharge the gas in the booster pump 30 during the process.

[0080] The second solenoid valve 91 and the booster pump 30 are opened, and the other solenoid valves remain closed, thereby opening the circulation pipeline. The specific process of cold water reflux is as follows: cold water flows out of the cold water tank 11 and flows in the cold water outlet pipeline 3 under the pumping action of the booster pump 30; when it flows to the position of the third three-way pipe joint 92, since the cold water solenoid valve 33 is closed, the cold water will flow into the return pipeline 9 and flow along the return pipeline 9 to the cold water tank 11, thereby realizing circulation.

[0081] The opening time of the second solenoid valve 91 is greater than or equal to 1 second, for example, it can be opened for 2 seconds, so that the cold water can discharge the gas in the booster pump 30 through reflux to improve the pumping force of the booster pump 30. After closing the second solenoid valve 91, the booster pump 30 is kept open, and the booster pump 30 after exhaust has a sufficiently large pumping force, so that the cold water can be pumped into the carbonization tank 21. The cold water flows into the carbonization tank 21 through part of the cold water outlet pipeline 3 and the water supply pipeline 7 until the water level in the carbonization tank 21 reaches a predetermined height, and then the booster pump 30 can be closed to stop the water supply.

[0082] Application scenario three

[0083] For the bubble water machine provided in Example 1 or Example 2, the cold water one-way valve 34 remains normally open, and when the bubble water machine is in standby mode, that is, when the booster pump 30 is not working, the passage from the carbonation tank 21 to the liquid outlet 101 remains normally open. The gas in the carbonation tank 21 can be transported to the liquid outlet 101 through the water replenishment pipeline 7 and part of the cold water outlet pipeline 3, and then directly discharged from the liquid outlet 101. The gas in the carbonation tank 21 no longer passes through the booster pump 30, so that the pumping force of the booster pump 30 will not decrease.

[0084] A water level detection device may be provided in the carbonation tank 21. When the water level is lower than a predetermined height, cold water needs to be added to the carbonation tank 21 to ensure that the storage of the bubble water in the bubble water machine is sufficient. Before adding cold water, the cold water check valve 34 is controlled to be closed, and then the booster pump 30 is started, and the cold water flows into the carbonation tank 21 through part of the cold water outlet pipe 3 and the water supply pipe 7 until the water level in the carbonation tank 21 reaches a predetermined height, and then the booster pump 30 can be turned off to stop the water supply.

[0085] It should be noted that, for the convenience of description, the aforementioned method embodiments are all described as a series of action combinations, but those skilled in the art should be aware that the present application is not limited by the described action sequence, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application.

[0086] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0087] The preferred embodiments of the present application disclosed above are only used to help illustrate the present application. The alternative embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of the present application. These embodiments are selected and specifically described in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is only limited by the claims and their full scope and equivalents.

Claims

1. A sparkling water maker, characterized in that, It includes a housing, and disposed within the housing are: A liquid inlet pipeline; A refrigeration component, at least part of the normal temperature water from the liquid inlet pipeline is configured to flow into the refrigeration component for cooling to generate cold water; A carbonation component, the carbonation component is communicated with the refrigeration component through a booster pump, the booster pump is configured to pump the cold water in the refrigeration component into the carbonation component, and the carbonation component is configured to generate sparkling water from the pumped cold water; A circulation pipeline, the booster pump is configured to be communicated to the circulation pipeline, and the booster pump is configured to re-circulate the cold water in the refrigeration component back into the refrigeration component through the circulation pipeline.

2. The bubble water machine according to claim 1, wherein It further includes a cold water outlet pipeline communicated to the refrigeration component and a normal temperature water outlet pipeline communicated to the liquid inlet pipeline; when the cold water outlet pipeline is opened, the cold water is configured to be discharged from the sparkling water machine under the action of the booster pump; when the normal temperature water outlet pipeline is opened, the normal temperature water is configured to be discharged from the sparkling water machine.

3. The bubble water machine according to claim 2, characterized in that, It further includes a connecting pipeline, the connecting pipeline is configured to communicate the cold water outlet pipeline and the normal temperature water outlet pipeline; part of the cold water outlet pipeline, the connecting pipeline, part of the normal temperature water outlet pipeline, and part of the liquid inlet pipeline are sequentially communicated to form the circulation pipeline.

4. The sparkling water maker according to claim 3, characterized in that, It further includes a makeup water pipeline, the makeup water pipeline is configured to communicate the cold water outlet pipeline and the carbonation component; at least part of the cold water is configured to flow into the carbonation component through part of the cold water outlet pipeline and the makeup water pipeline under the action of the booster pump.

5. The bubble water machine according to claim 4, wherein, A first solenoid valve is provided at a position on the circulation pipeline downstream of the makeup water pipeline; when the booster pump is continuously operating, the first solenoid valve is configured to close after the circulation pipeline is opened for a predetermined time.

6. The bubble water machine according to claim 5, wherein, The first solenoid valve is provided at a position on the liquid inlet pipeline downstream of the normal temperature water outlet pipeline.

7. The bubble water machine according to claim 4, characterized in that, A makeup water check valve is provided in the makeup water pipeline, and the makeup water check valve is configured to allow the liquid in the makeup water pipeline to flow in the direction of the carbonation component.

8. The bubble water machine according to claim 2, wherein, It further includes a return pipeline, the return pipeline is configured to communicate the cold water outlet pipeline and the refrigeration component respectively; part of the cold water outlet pipeline and the return pipeline are sequentially communicated to form the circulation pipeline.

9. The sparkling water maker according to claim 8, characterized in that, It further includes a makeup water pipeline, the makeup water pipeline is configured to communicate the cold water outlet pipeline and the carbonation component; at least part of the cold water is configured to flow into the carbonation component through part of the cold water outlet pipeline and the makeup water pipeline under the action of the booster pump; A second solenoid valve is provided in the return pipeline, and when the booster pump is continuously operating, the second solenoid valve is configured to close after the circulation pipeline is opened for a predetermined time.

10. The bubble water machine according to claim 2, characterized in that, The refrigeration component includes a cold water tank for cooling liquid, including a cold water tank inlet and a cold water tank outlet, wherein the cold water tank inlet is configured to be communicated with the liquid inlet pipeline; the cold water tank outlet is configured to be communicated with the cold water outlet pipeline.

11. The bubble water machine according to claim 10, wherein, The carbonation component includes a carbonation tank and a carbon dioxide gas source, the carbon dioxide gas source is configured to transport carbon dioxide gas into the carbonation tank; the carbonation tank is configured to be at least partially located within the cold water tank.

12. The bubble water machine according to any one of claims 1 to 11, characterized in that, It further includes a control unit. Before pumping the cold water into the carbonization assembly, the control unit is configured to open the circulation pipeline, and the booster pump is configured to pre-return the cold water to the refrigeration assembly through the circulation pipeline.

13. The bubble water machine according to claim 12, characterized in that, The opening time of the circulation pipeline is configured to be greater than or equal to 1 second.

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