Functional water supply device

Abstract

The utility model discloses a functional water supply device, and relates to the technical field of functional water supply, the functional water supply device comprises a functional water generating unit, the functional water generating unit is used for receiving water and gas, forming functional water from gas and water, and storing the functional water; the water inlet channel can be communicated with the functional water generating unit, and a supercharging device is arranged on the water inlet channel; one end of the air inlet channel is communicated with the functional water generation unit, the other end of the air inlet channel is used for being communicated with an air supply unit, a pressure reduction mechanism is arranged on the air inlet channel, the pressure reduction mechanism can output air with first pressure and air with second pressure, and the first pressure is larger than the second pressure; the water output channel can be opened and closed, and the water output channel is communicated with the functional water generating unit. The problem that the output functional water concentration is not high enough can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to functional water supply technical field, especially a functional water supply device. BACKGROUND

[0002] With the continuous improvement of people's pursuit of health and life quality, functional water is attracting more and more attention due to its unique performance and potential benefits. Functional water supply devices have emerged as the times require, which combine input water with gas to form functional water with specific properties and store it for subsequent use by users.

[0003] In the existing functional water supply device, the gas used to generate functional water is usually stored in a gas cylinder. However, there is a key problem in this field at present, that is, many customers feedback that the concentration of functional water generated by these functional water supply devices is difficult to meet their expectations, and there is a general problem of low concentration.

[0004] From the formation principle of functional water, it can be known that in the formation process, the pressure of the input gas is closely related to the amount of gas dissolved into the water, which directly affects the final concentration of the functional water. When the pressure of the input gas is increased, the gas can be dissolved in the water in a larger amount, thereby helping to increase the concentration of the functional water. However, this has led to a new problem, once the gas pressure is increased to a high level, the pressure inside the functional water supply device will also increase significantly. This makes it extremely difficult to input water into the device subsequently, or if a booster pump is used to achieve water input, the output pressure of the booster pump must be greatly increased. The service life of the booster pump will be seriously affected if it is operated under such high pressure conditions for a long time, and the service life will be greatly reduced. This not only increases the maintenance cost and replacement frequency of the equipment, but also limits the further optimization and development of the functional water supply device in terms of increasing the concentration of functional water, and it is difficult to meet the market demand for high-concentration functional water and the requirements for equipment stability and durability.

[0005] In summary, the existing functional water supply device has an irreconcilable contradiction between the increase of functional water concentration and the stability of the equipment, and a new technical solution is needed to solve this problem to promote the technical progress and market application of the functional water supply device. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the embodiments of the utility model is to provide a functional water supply device which can solve the problem of insufficient concentration of output functional water.

[0007] The specific technical scheme of the embodiments of the utility model is:

[0008] A functional water supply device, the functional water supply device comprises:

[0009] a functional water generating unit for receiving water and gas, forming the gas and water into functional water, and storing the functional water;

[0010] a water inlet channel, which is in communication with the functional water generating unit, and is provided with a pressure boosting device;

[0011] a gas inlet channel, one end of which is in communication with the functional water generating unit, and the other end of which is in communication with a gas supply unit, and is provided with a pressure reducing mechanism, which is capable of outputting gas at a first pressure and gas at a second pressure, the first pressure being greater than the second pressure;

[0012] a water outlet channel, which is in communication with the functional water generating unit, and is capable of being opened and closed.

[0013] Preferably, the pressure reducing mechanism comprises:

[0014] a first pressure reducing unit and a second pressure reducing unit connected in parallel, the first pressure reducing unit being capable of outputting gas at a first pressure, and the second pressure reducing unit being capable of outputting gas at a second pressure.

[0015] Preferably, the pressure reducing mechanism comprises:

[0016] a first flow passage having a first pressure reducing unit and a second pressure reducing unit, the first pressure reducing unit being capable of outputting gas at a first pressure, and the second pressure reducing unit being capable of outputting gas at a second pressure, the first pressure reducing unit being located upstream of the second pressure reducing unit, an inlet of the first flow passage being in communication with the gas supply unit, and an outlet of the first flow passage being in communication with the functional water generating unit;

[0017] a second flow passage, one end of which is in communication with the outlet of the first pressure reducing unit, and the other end of which is in communication with the functional water generating unit, the second flow passage being provided with an opening and closing valve.

[0018] Preferably, the pressure reducing mechanism comprises a gas pressure reducing valve capable of adjusting the pressure of the output gas.

[0019] Preferably, the functional water supply device has a first mode, and in the first mode, has a first state, in which the pressure reducing mechanism is in an open state to output gas at the second pressure into the functional water generating unit.

[0020] Preferably, in the first mode, has a second state, in which the pressure boosting device is in an open state, and the water inlet channel is in communication with the functional water generating unit to supplement water into the functional water generating unit.

[0021] Preferably, the first mode has a third state, in which the pressure reducing mechanism is in an open state to output the gas of the first pressure into the functional water generating unit.

[0022] Preferably, the second state is executed after the first state, and the third state is executed after the second state.

[0023] Preferably, the functional water supply device has a second mode, in which the pressure increasing device is in an open state, the water inlet channel is communicated with the functional water generating unit to supplement water into the functional water generating unit, and the pressure reducing mechanism is in an open state to output the gas of the first pressure or the second pressure into the functional water generating unit.

[0024] Preferably, in the second mode, the water outlet channel is in an open state to output the functional water outward.

[0025] Preferably, a first on-off valve is arranged on the water inlet channel.

[0026] Or,

[0027] A first one-way valve is arranged on the water inlet channel, and the first one-way valve can be conducted to the functional water generating unit by the pressure increasing device.

[0028] Preferably, a second on-off valve is arranged on the water outlet channel.

[0029] Preferably, the pressure reducing mechanism has an on-off function.

[0030] Preferably, a second one-way valve is arranged on the air inlet channel, and the second one-way valve can be conducted to the functional water generating unit by the gas supply unit.

[0031] Preferably, the gas at least includes one of the following: carbon dioxide, hydrogen, oxygen, ozone.

[0032] Preferably, the functional water supply device comprises:

[0033] A water storage unit capable of storing water, and the water inlet channel can communicate the water storage unit and the functional water generating unit.

[0034] Preferably, the functional water supply device comprises:

[0035] A refrigeration unit for cooling the water in the water storage unit.

[0036] The technical scheme of the utility model has the following remarkable beneficial effects:

[0037] The functional water supply device in the application can first supply gas to the functional water generating unit at the second pressure through the pressure reducing mechanism when it is necessary to supply gas and water to the functional water generating unit. After that, the pressure in the functional water generating unit is relatively low, at this time, water can be supplied to the functional water generating unit at a relatively low pressure through the pressure increasing device. In the process of water supply to the functional water generating unit, the supplied water contacts the gas in the functional water generating unit to form functional water. After the water supply is completed, the gas is supplied to the functional water generating unit at the first pressure through the pressure reducing mechanism, so that the pressure in the functional water generating unit is increased to the first pressure. The gas in the functional water generating unit is kept at a relatively high pressure, which can promote the further dissolution of the gas into the water, thereby increasing the concentration of the functional water in the functional water generating unit. Through the above process, the water can be supplied to the functional water generating unit at a relatively low pressure through the pressure increasing device, thereby increasing the service life of the pressure increasing device, and the functional water generating unit can generate functional water with higher concentration at a relatively high first pressure, thereby meeting the needs of users and improving the experience of users. BRIEF DESCRIPTION OF DRAWINGS

[0038] The drawings described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes and proportions of the components in the drawings are only illustrative and are used to help understand the present disclosure, and are not specific limitations on the shapes and proportions of the components of the present disclosure. Those skilled in the art can select various possible shapes and proportions to implement the present disclosure according to specific circumstances under the guidance of the present disclosure.

[0039] Figure 1 The structure of the functional water supply device in the embodiment of the present application is shown in the figure.

[0040] Figure 2 The structure of the pressure reducing mechanism in one embodiment of the present application is shown in the figure.

[0041] Figure 3 The structure of the pressure reducing mechanism in another embodiment of the present application is shown in the figure.

[0042] Figure 4 The structure of the functional water supply device in another embodiment of the present application is shown in the figure.

[0043] Reference numerals of the above drawings:

[0044] 1, functional water generating unit; 2, gas inlet channel; 21, pressure reducing mechanism; 211, first pressure reducing unit; 212, second pressure reducing unit; 213, first flow channel; 214, second flow channel; 215, on-off valve; 22, gas supply unit; 23, pressure reducing valve; 24, low pressure switch; 25, second check valve; 26, safety valve; 3, water inlet channel; 31, pressure increasing device; 32, first on-off valve; 33, first check valve; 4, water outlet channel; 41, second on-off valve; 5, water storage unit. DETAILED DESCRIPTION

[0045] The details of the present application can be more clearly understood by referring to the accompanying drawings and the description of the embodiments of the present application. However, the embodiments of the present application described herein are only used to explain the present application, and should not be understood as limiting the present application in any way. Based on the teachings of the present application, skilled persons can conceive any possible modification of the present application, which should be considered as falling within the scope of the present application.

[0046] In order to solve the problem of insufficient concentration of output functional water, a functional water supply device is provided in the present application, Figure 1 The structure of the functional water supply device in the embodiments of the present application is shown in the figure, Figure 1 As shown, the functional water supply device can include: a functional water generating unit 1, which is used to receive water and gas, form functional water by mixing the gas with the water, and store the functional water; a water inlet channel 3, which can communicate with the functional water generating unit 1, and the water inlet channel 3 is provided with a pressure increasing device 31; a gas inlet channel 2, one end of which communicates with the functional water generating unit 1, and the other end of the gas inlet channel 2 is used to communicate with a gas supply unit 22, the gas inlet channel 2 is provided with a pressure reducing mechanism 21, the pressure reducing mechanism 21 can output gas with a first pressure and gas with a second pressure, the first pressure is greater than the second pressure; a water outlet channel 4 which can be opened and closed, the water outlet channel 4 communicates with the functional water generating unit 1.

[0047] The functional water supply device in the application can first supplement gas into the functional water generating unit 1 at the second pressure through the pressure reducing mechanism 21 when it is needed to supplement gas and water to the functional water generating unit 1, and then the pressure in the functional water generating unit 1 is relatively low, at this time, water can be supplemented into the functional water generating unit 1 at a relatively low pressure through the pressure increasing device 31, and the supplemented water contacts the gas in the functional water generating unit 1 to form functional water in the process of supplementing water into the functional water generating unit 1. After the water supplement is completed, the gas is supplemented into the functional water generating unit 1 at the first pressure through the pressure reducing mechanism 21, so that the pressure in the functional water generating unit 1 is increased to the first pressure. The gas in the functional water generating unit 1 is kept at a relatively high pressure, which can promote the gas to be further dissolved into water, thereby increasing the concentration of the functional water in the functional water generating unit 1. Through the above process, the water can be supplemented into the functional water generating unit 1 at a relatively low pressure through the pressure increasing device 31, thereby increasing the service life of the pressure increasing device 31, and the functional water generating unit 1 can generate functional water with higher concentration at a relatively high first pressure, thereby meeting the needs of users and improving the experience of users.

[0048] The functional water generating unit 1 can receive water and gas, form the gas and the water into functional water, and store the functional water. The functional water generating unit 1 can be a pressure-bearing tank body, and the pressure in the tank body can be higher than the atmospheric pressure, thereby helping to mix the gas into the water to form functional water with higher concentration.

[0049] The water inlet channel 3 can be in communication with the functional water generating unit 1, and the pressure increasing device 31 is arranged on the water inlet channel 3. In order to control the opening and closing of the water inlet channel 3 and the functional water generating unit 1, the first opening and closing valve 32 can be arranged on the water inlet channel 3. And / or, in order to control the gas and water in the functional water generating unit 1 not to flow back and discharge through the water inlet channel 3, Figure 4 The structure of the functional water supply device in another embodiment of the utility model is shown in the structure schematic view of the functional water supply device in another embodiment of the utility model. Figure 4 As shown in the figure, the first one-way valve 33 can be arranged on the water inlet channel 3, and the first one-way valve 33 can be conducted in the direction from the pressure increasing device 31 to the functional water generating unit 1. The upstream of the water inlet channel 3 can be in communication with the water source. When the water inlet channel 3 supplements water to the functional water generating unit 1, the water input into the functional water generating unit 1 is as far as possible to be input into the upper part of the functional water generating unit 1, and the gas area without functional water, and the water input into the functional water generating unit 1 can also be as far as possible to be sprayed out in the gas area, thereby forming water mist or small droplets, which can increase the contact area of the water and the gas, increase the degree of dissolution of the gas into the water, and produce functional water with higher concentration.

[0050] As feasible, in order to make the water input into the functional water generating unit 1 by the water inlet channel 3 is pure water, the upstream of the water inlet channel 3 can be communicated with a pure water system. The pure water system can filter the water to form pure water and deliver to the water inlet channel 3. The pure water system can include a reverse osmosis filtration unit, so that the pure water system can output pure water. Of course, the pure water system can include other types of filtration units, such as ultrafiltration membrane filtration units, nanofiltration membrane filtration units, etc.

[0051] The water outlet channel 4 is communicated with the functional water generating unit 1. In order to control the water outlet channel 4 to be opened and closed, as feasible, as shown in Figure 4 , the second on-off valve 41 is arranged on the water outlet channel 4.

[0052] One end of the air inlet channel 2 is communicated with the functional water generating unit 1. The other end of the air inlet channel 2 is used to communicate with a gas supply unit 22. The gas supply unit 22 can provide high-pressure gas. Generally, the gas supply unit 22 can be a gas cylinder storing gas. The outlet of the gas cylinder can have a pressure reducing valve 23, so as to control whether the gas cylinder outputs gas and the pressure of the output gas.

[0053] As feasible, the gas supplied by the gas supply unit 22 can at least include one of the following: carbon dioxide, hydrogen, oxygen, ozone, etc. Correspondingly, the functional water formed can be bubble water, hydrogen-rich water, oxygen-rich water and ozone water.

[0054] The air inlet channel 2 is provided with a pressure reducing mechanism 21, and the pressure reducing mechanism 21 can output gas with a first pressure and gas with a second pressure, and the first pressure is greater than the second pressure. Since the pressure reducing valve 23 at the outlet of the gas cylinder is basically in an open state during the use of the functional water supply device, in order to control whether the gas of the air inlet channel 2 is input into the functional water generating unit 1, the pressure reducing mechanism 21 has an on-off function. When it is not necessary to supplement the gas to the functional water generating unit 1 through the air inlet channel 2, the pressure reducing mechanism 21 is in a closed state.

[0055] In order to make the pressure reducing mechanism 21 output gas with the first pressure and gas with the second pressure as needed, in one feasible embodiment, Figure 2 The structure diagram of the pressure reducing mechanism in one embodiment of the utility model is shown in Figure 2 , the pressure reducing mechanism 21 includes: a first pressure reducing unit 211 and a second pressure reducing unit 212 connected in parallel, the first pressure reducing unit 211 can output gas with the first pressure, and the second pressure reducing unit 212 can output gas with the second pressure. When it is needed to output gas with the first pressure, the first pressure reducing unit 211 is opened, and the second pressure reducing unit 212 is closed. When it is needed to output gas with the second pressure, the second pressure reducing unit 212 is opened, and the first pressure reducing unit 211 is closed.

[0056] In another possible implementation, Figure 3 As shown in the structural schematic diagram of the pressure reducing mechanism in another embodiment of the present application, Figure 3 The pressure reducing mechanism 21 can include: a first flow channel 213 with a first pressure reducing unit 211 and a second pressure reducing unit 212, the first pressure reducing unit 211 being capable of outputting gas at a first pressure, the second pressure reducing unit 212 being capable of outputting gas at a second pressure, the first pressure reducing unit 211 being located upstream of the second pressure reducing unit 212, an inlet of the first flow channel 213 being configured to communicate with the gas supply unit 22, and an outlet of the first flow channel 213 being capable of communicating with the functional water generating unit 1; and a second flow channel 214, one end of the second flow channel 214 being capable of communicating with the outlet of the first pressure reducing unit 211, the other end of the second flow channel 214 being capable of communicating with the functional water generating unit 1, and the second flow channel 214 being provided with an on-off valve 215. When gas at the first pressure is needed to be output, the first pressure reducing unit 211 is opened, the second pressure reducing unit 212 is closed, and the on-off valve 215 is opened, so that gas at the first pressure is output to the functional water generating unit 1 through the second flow channel 214. When gas at the second pressure is needed to be output, the second pressure reducing unit 212 is opened, the first pressure reducing unit 211 is opened, and the on-off valve 215 is closed, so that the gas is depressurized by the first pressure reducing unit 211 and then depressurized by the second pressure reducing unit 212, thereby reaching the second pressure, and finally the gas at the second pressure is output to the functional water generating unit 1 through the first flow channel 213.

[0057] In the above two embodiments, as a possibility, the first pressure reducing unit 211 can be a high-pressure intake valve capable of outputting gas at the first pressure, and the second pressure reducing unit 212 can be a low-pressure intake valve capable of outputting gas at the second pressure.

[0058] In another possible implementation, the pressure reducing mechanism 21 includes a gas pressure reducing valve 23 capable of adjusting the pressure of the output gas. Such a gas pressure reducing valve 23 can arbitrarily adjust the pressure of the output gas within a certain range as needed. The gas pressure reducing valve 23 is capable of outputting at least gas at the first pressure and gas at the second pressure.

[0059] As feasible, the functional water supply device can have a first mode, in the first mode, there is a first state, in the first state, the pressure reducing mechanism 21 is in an open state to output the second pressure gas into the functional water generating unit 1. In the first mode, there is a second state, in the second state, the pressure increasing device 31 is in an open state, the water inlet channel 3 is communicated with the functional water generating unit 1 to supplement water into the functional water generating unit 1. In the first mode, there is a third state, in the third state, the pressure reducing mechanism 21 is in an open state to output the first pressure gas into the functional water generating unit 1. As preferred, the second state is executed after the first state, and the third state is executed after the second state. For example, when the functional water supply device is in a non-continuous water output state, and the liquid level of the functional water in the functional water generating unit 1 is lower than the preset liquid level, the functional water supply device can enter the first mode to supplement gas and water. Through the above process, on the one hand, water can be supplemented into the functional water generating unit 1 at a relatively low pressure through the pressure increasing device 31, for example, the pressure of the water output by the pressure increasing device 31 only needs to be greater than the second pressure, so as to improve the service life of the pressure increasing device 31, and on the other hand, the functional water generating unit 1 can generate functional water with higher concentration at a relatively high first pressure, so as to meet the needs of users and improve the experience of users.

[0060] As feasible, the functional water supply device can have a second mode. In the second mode, the pressure increasing device 31 is in an open state, the water inlet channel 3 is communicated with the functional water generating unit 1 to supplement water into the functional water generating unit 1, and the pressure reducing mechanism 21 is in an open state to output the first pressure or the second pressure gas into the functional water generating unit 1. Further, in the second mode, the water output channel 4 can be in an open state to output the functional water outward. For example, when the functional water supply device is in a continuous water output state, in order to meet the needs of users to continuously output a large amount of functional water, the functional water supply device can enter the second mode to supplement gas and water at the same time, so that the functional water generating unit 1 can continuously generate functional water.

[0061] In order to prevent the gas in the air inlet channel 2 from flowing backward, as feasible, as shown in Figure 4 The air inlet channel 2 can be provided with a second one-way valve 25, and the second one-way valve 25 can be conducted by the gas supply unit 22 to the functional water generating unit 1.

[0062] As feasible, as shown in Figure 4As shown, a low pressure switch 24 can be arranged on the gas inlet channel 2. When the pressure of the gas output by the gas cylinder cannot reach the set value of the low pressure switch 24, it means that the gas in the gas cylinder will be exhausted. The low pressure switch 24 will feed back a signal to the functional water supply device, so as to remind the user to replace the gas cylinder in time. A safety valve 26 can be connected between the functional water generating unit 1 and the second one-way valve 25 on the gas inlet channel 2. The second one-way valve 25 can be located downstream of the pressure reducing mechanism 21.

[0063] As feasible, as Figure 4 As shown, the functional water supply device can include a water storage unit 5 capable of storing water, and the water inlet channel 3 can communicate the water storage unit 5 and the functional water generating unit 1. The water storage unit 5 can store a certain amount of water. The water storage unit 5 can store cold water, which can be supplemented into the functional water generating unit 1 when the functional water generating unit 1 needs to be replenished. The cold water is helpful to form functional water with higher concentration. In order to make the water in the water storage unit 5 into cold water, the functional water supply device can include a refrigeration unit for cooling the water in the water storage unit 5. For example, the refrigeration unit can include a heat exchange pipe arranged in the water storage unit 5 or on the shell of the water storage unit 5, and a refrigerant can flow into the heat exchange pipe to cool the water in the water storage unit 5.

[0064] All articles and references disclosed, including patent applications and publications, are incorporated herein by reference for all purposes. The term "consisting essentially of to describe a combination shall include the elements, ingredients, components or steps identified, and such other elements ingredients, components or steps that do not materially affect the basic and novel characteristics of the combination. The use of the term "comprising" or "including" to describe combinations of elements, ingredients, components or steps herein also is taken to mean that "consisting essentially of is also contemplated. By use of the term "may" herein is meant to denote "possibly includes the described attribute, but not necessarily. Multiple elements, ingredients, components or steps can be provided by a single integrated element, ingredient, component or step. Alternatively, a single integrated element, ingredient, component or step might be divided into separate multiple elements, ingredients, components or steps. To describe the disclosure, the disclosure "a" or "one" should not be construed to mean "only one" unless specifically indicated otherwise.

[0065] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between various embodiments can be referred to each other. The above embodiments are only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable persons skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.

Claims

1. A functional water supply device characterized by comprising: The functional water supply device comprises: a functional water generating unit for receiving water and gas, forming gas and water into functional water, and storing the functional water; a water inlet channel in communication with the functional water generating unit, the water inlet channel being provided with a pressure increasing device; a gas inlet channel, one end of the gas inlet channel being in communication with the functional water generating unit, the other end of the gas inlet channel being in communication with a gas supply unit, the gas inlet channel being provided with a pressure reducing mechanism capable of outputting gas at a first pressure and gas at a second pressure, the first pressure being greater than the second pressure; a water output channel capable of being opened and closed, the water output channel being in communication with the functional water generating unit.

2. The functional water supply apparatus according to claim 1, characterized by The pressure reducing mechanism comprises: a first pressure reducing unit and a second pressure reducing unit connected in parallel, the first pressure reducing unit being capable of outputting gas at a first pressure, the second pressure reducing unit being capable of outputting gas at a second pressure.

3. The functional water supply apparatus according to claim 1, characterized by The pressure reducing mechanism comprises: a first flow channel having a first pressure reducing unit and a second pressure reducing unit, the first pressure reducing unit being capable of outputting gas at a first pressure, the second pressure reducing unit being capable of outputting gas at a second pressure, the first pressure reducing unit being located upstream of the second pressure reducing unit, an inlet of the first flow channel being in communication with the gas supply unit, an outlet of the first flow channel being in communication with the functional water generating unit; a second flow channel, one end of the second flow channel being in communication with the outlet of the first pressure reducing unit, the other end of the second flow channel being in communication with the functional water generating unit, the second flow channel being provided with an opening and closing valve.

4. The functional water supply apparatus according to claim 1, characterized by The pressure reducing mechanism comprises a gas pressure reducing valve capable of adjusting the output gas pressure.

5. The functional water supply apparatus according to claim 1, wherein The functional water supply device has a first mode, in the first mode, there is a first state, in the first state, the pressure reducing mechanism is in an open state to output gas at a second pressure into the functional water generating unit.

6. The functional water supply apparatus according to claim 5, characterized by In the first mode, there is a second state, in the second state, the pressure increasing device is in an open state, the water inlet channel is in communication with the functional water generating unit to supplement water into the functional water generating unit.

7. The functional water supply apparatus according to claim 6, characterized by In the first mode, there is a third state, in the third state, the pressure reducing mechanism is in an open state to output gas at a first pressure into the functional water generating unit.

8. The functional water supply apparatus according to claim 7, characterized by The second state is executed after the first state, and the third state is executed after the second state.

9. The functional water supply apparatus according to claim 1, wherein The functional water supply device has a second mode, in the second mode, the pressure increasing device is in an open state, the water inlet channel is in communication with the functional water generating unit to supplement water into the functional water generating unit, and the pressure reducing mechanism is in an open state to output gas at a first pressure or a second pressure into the functional water generating unit.

10. The functional water supply apparatus according to claim 9, characterized by In the second mode, the water output channel is in an open state to output functional water externally.

11. The functional water supply apparatus according to claim 1, characterized by The water inlet channel is provided with a first on-off valve. Or, The water inlet channel is provided with a first one-way valve, the first one-way valve being capable of being conducted by the pressure increasing device to the functional water generating unit.

12. The functional water serving device according to claim 1, characterized in that The water output channel is provided with a second on-off valve.

13. The functional water serving device according to claim 1, characterized in that, The pressure reducing mechanism has an on-off function.

14. The functional water serving apparatus according to claim 1, characterized by A second one-way valve is arranged on the gas inlet channel, and the second one-way valve is capable of being opened in the direction from the gas supply unit to the functional water generation unit.

15. The functional water serving apparatus according to claim 1, characterized by The gas at least includes one of carbon dioxide, hydrogen, oxygen, and ozone.

16. The functional water serving device according to claim 1, characterized in that The functional water supply device includes: A water storage unit capable of storing water, and the water inlet channel is capable of communicating the water storage unit and the functional water generation unit.

17. The functional water serving device according to claim 16, characterized in that The functional water supply device includes: A refrigeration unit for cooling the water in the water storage unit.

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