Functional water supply device

Abstract

The utility model belongs to the technical field of drinking equipment, and discloses a functional water supply device. The functional water supply device comprises a filtering mechanism, a water outlet mechanism and a functional water mechanism, wherein the filtering mechanism is communicated with a water source; the functional water mechanism comprises a cold water container, a refrigeration assembly and a functional water container, the functional water container is arranged in the cold water container, the refrigeration assembly is matched with the cold water container in a heat exchange mode, the cold water container is communicated with a filtering outlet of the filtering mechanism, the cold water container comprises a first supply port, the first supply port is communicated with the functional water container, and the functional water container is arranged in the functional water container. And the functional water container can be communicated with the water outlet mechanism. Purified water is directly introduced into the cold water container and does not need to pass through other structures, so that secondary pollution of the purified water is avoided; the functional water container is arranged in the cold water container, the structure of the refrigeration assembly is simplified, and cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of drinking water equipment technology, and in particular to a functional water supply device. Background Technology

[0002] As people's living standards generally improve, their requirements for drinking water quality are also increasing. Because soda water is weakly alkaline, while most meat and fish in our diet are acidic, moderate consumption of soda water is beneficial to health and enhances the flavor of drinking water, thus gaining popularity among consumers in recent years. Currently, soda water sold in supermarkets is relatively expensive and inconvenient to purchase, while its production cost is relatively low. Therefore, household soda water purifiers combined with water purification functions are becoming increasingly widely used.

[0003] In existing soda water machines, filtered water needs to be stored in a water tank before being supplied to prepare soda water. This poses a risk of secondary contamination of the filtered water in the water tank, affecting the drinking water hygiene of the soda water.

[0004] In addition, to increase the concentration of soda water, cold water is generally used to prepare soda water, which means that existing soda water machines include separate cold tanks and soda water tanks, which take up a lot of space and require separate cooling of the cold tanks and soda water tanks, resulting in high costs. Utility Model Content

[0005] The purpose of this invention is to provide a functional water supply device that can solve the problems of secondary pollution risk when the purified water for preparing soda water passes through the water purification tank and the high cost of refrigerating the cold tank and the soda water tank separately.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A functional water supply device, comprising:

[0008] Water outlet mechanism;

[0009] A filtration mechanism, wherein the filtration mechanism is used to connect to a water source;

[0010] A functional water mechanism includes a cold water tank, a refrigeration component, and a functional water tank. The functional water tank is disposed inside the cold water tank. The refrigeration component is heat-exchange coupled with the cold water tank. The cold water tank is connected to the filter outlet of the filtration mechanism. The cold water tank includes a first supply port, which is connected to the functional water tank. The functional water tank is also connected to the water outlet mechanism.

[0011] As an optional embodiment of the aforementioned functional water supply device, the functional water supply device further includes:

[0012] A water purification storage mechanism is provided, which is connected to both the filter outlet of the filtration mechanism and the water outlet mechanism.

[0013] As an optional embodiment of the aforementioned functional water supply device, the functional water supply device further includes:

[0014] The first purified water supply channel connects the filter outlet and the purified water storage mechanism;

[0015] The second purified water supply circuit is connected to the filter outlet and the cold water tank;

[0016] The purified water supply valve assembly is used to control the on / off state of the first purified water supply circuit and the second purified water supply circuit.

[0017] As an optional solution for the above-mentioned functional water supply device, a liquid level detection component is provided in the cold water tank and / or the purified water storage mechanism. The liquid level detection component is used to detect the water level and is electrically connected to the purified water supply valve group.

[0018] As an optional solution for the above-mentioned functional water supply device, the functional water supply device further includes a heating component, the inlet end of which is connected to the purified water storage mechanism, and the outlet end of which is connected to the water outlet mechanism.

[0019] As an optional solution to the aforementioned functional water supply device, the purified water storage mechanism includes:

[0020] A water tank for storing purified water, wherein the water tank is connected to the filter outlet and the water outlet mechanism respectively;

[0021] A disinfection and sterilization component is installed in the water purification tank, and the disinfection and sterilization component is used to disinfect the water purification tank.

[0022] As an alternative to the aforementioned functional water supply device, the refrigeration assembly includes an evaporator, a condenser, and a compressor. The evaporator covers the outer wall of the cold water tank, and the evaporator, the condenser, and the compressor are sequentially connected to form a circulation channel.

[0023] As an alternative to the aforementioned functional water supply device, the refrigeration component further includes a fan, which drives airflow to exchange heat with the condenser in order to reduce the temperature of the refrigerant inside the condenser.

[0024] As an alternative to the aforementioned functional water supply device, the functional water mechanism further includes a gas cylinder, which is connected to the functional water tank and is used to inject carbon dioxide into the functional water tank.

[0025] As an alternative to the aforementioned functional water supply device, the cold water tank further includes a second supply port, which can be connected to the water outlet mechanism.

[0026] As an optional embodiment of the aforementioned functional water supply device, the functional water supply device further includes:

[0027] A first cold water supply pipe is connected to the first supply port and the functional water tank, and the first cold water supply pipe extends to the bottom of the cold water tank.

[0028] The first booster pump is installed in the first cold water supply pipe.

[0029] As an optional solution for the above-mentioned functional water supply device, a pressure detection device is provided in the functional water tank, and the pressure detection device is electrically connected to the first booster pump.

[0030] The beneficial effects of this utility model are:

[0031] In the functional water supply device provided by this utility model, the filter outlet of the filtration mechanism is connected to the cold water tank. That is, the purified water provided by the filtration mechanism directly enters the cold water tank to prepare cold water and functional water. This arrangement ensures that the purified water for preparing cold water and functional water does not need to pass through other structures, but is directly provided through the filtration mechanism, avoiding secondary pollution of the purified water and thus guaranteeing drinking water hygiene.

[0032] The functional water tank is located inside the cold water tank. Only one set of refrigeration components needs to be installed in conjunction with the cold water tank to control the water temperature inside both the cold water tank and the functional water tank. This simplifies the structure and reduces costs.

[0033] The cold water tank can supply cold water to the functional water tank and the water outlet mechanism respectively, meeting the user's needs for cold water and functional water. Attached Figure Description

[0034] Figure 1 This is a partial structural schematic diagram of the functional water supply device provided by this utility model;

[0035] Figure 2 This is a schematic diagram of the filtration mechanism provided by this utility model.

[0036] In the picture:

[0037] 11. First filter; 12. Second filter; 13. First inlet pipe; 131. Pressure reducing valve; 132. Fifth switch valve; 14. Second booster pump; 15. Second inlet pipe; 151. Fourth switch valve; 16. Wastewater pipe; 161. Second check valve; 17. First purified water supply circuit; 18. Second purified water supply circuit; 19. Valve assembly; 191. First switch valve; 192. Second switch valve; 20. Purified water storage mechanism; 21. Purified water tank; 22. Disinfection and sterilization assembly; 23. First liquid level detection group Components; 30. Heating assembly; 41. First water outlet; 42. Second water outlet; 51. Cold water tank; 52. Second liquid level detection assembly; 53. First cold water supply pipe; 54. First booster pump; 55. Second cold water supply pipe; 61. Functional water tank; 62. Functional water pipe; 621. Third switch valve; 622. First check valve; 63. Gas pipe; 64. Gas cylinder; 65. Pressure relief valve; 70. Refrigeration assembly; 71. Evaporator; 72. Condenser; 73. Compressor; 82. First water pump; 81. Second water pump. Detailed Implementation

[0038] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0039] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0041] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0042] This embodiment provides a functional water supply device, such as... Figure 1 and Figure 2 As shown, it includes a filtration mechanism, a water outlet mechanism, a purified water storage mechanism 20, and a functional water mechanism. The filtration mechanism is used to filter water to obtain purified water. The filtration mechanism includes a filter outlet, which is connected to the functional water mechanism to supply purified water to the functional water mechanism. The purified water is used to prepare functional water, improve drinking water hygiene, and meet the user's need for functional water.

[0043] Optionally, the functional water supply device also includes a purified water storage mechanism 20, which is connected to the filter outlet and the water outlet mechanism respectively, to provide users with purified water at room temperature.

[0044] Optionally, the functional water prepared and stored by the functional water device can be soda water, oxygen-enriched water, or hydrogen-enriched water, etc.

[0045] To increase the concentration of functional water, the functional water mechanism uses cold water to prepare functional water. For this purpose, the functional water mechanism includes a cold water tank 51 and a functional water tank 61. The cold water tank 51 is used to store cold water and includes a first supply port that is connected to the functional water tank 61 so as to supply cold water to the functional water tank 61, thereby preparing functional water.

[0046] To meet various user needs, the cold water tank 51 also includes a second supply port. The water purification storage mechanism 20, the second supply port and the functional water tank 61 can be connected to the water outlet mechanism to provide users with room temperature water, cold water and functional water.

[0047] For ease of explanation, we will take the example of a functional water mechanism capable of preparing and storing soda water in some embodiments, that is, soda water is stored in the functional water tank 61. To prepare soda water, the functional water mechanism also includes a gas cylinder 64, which is connected to the functional water tank 61 via a gas pipe 63. The gas cylinder 64 is used to inject carbon dioxide into the functional water tank 61, so that it mixes with the cold water inside the functional water tank 61 to form soda water. Using cold water increases the concentration of carbon dioxide dissolved in the cold water, thus preparing a high-concentration soda water.

[0048] To improve the hygiene level of the supplied cold water and functional water, the filter outlets of the filtration mechanism are connected to both the cold water tank 51 and the purified water storage unit 20. In other words, the purified water supplied by the filtration mechanism is divided into two paths: one path enters the purified water storage unit 20 for storage and flows out through the outlet mechanism when the user uses it; the other path enters the cold water tank 51 to prepare cold water and functional water. This arrangement ensures that the purified water used to prepare cold water and functional water does not need to pass through the purified water storage unit 20, but is supplied directly through the filtration mechanism, avoiding secondary contamination of the purified water within the purified water storage unit 20 and thus guaranteeing drinking water hygiene.

[0049] Specifically, the functional water supply device also includes a first purified water supply path 17 and a second purified water supply path 18. The first purified water supply path 17 is connected to the filter outlet and the purified water storage mechanism 20 so as to provide purified water to the purified water storage mechanism 20; the second purified water supply path 18 is connected to the filter outlet and the cold water tank 51 so as to provide purified water to the cold water tank 51.

[0050] To enable the switching on and off of the purified water supply, the functional water supply device also includes a valve assembly 19, which controls the switching on and off of the first purified water supply path 17 and the second purified water supply path 18, thereby storing cold water in the purified water storage mechanism 20 and the cold water tank 51 as needed.

[0051] In some embodiments, the valve assembly 19 includes a first switching valve 191 and a second switching valve 192. The first switching valve 191 is disposed on the first purified water supply passage 17 and is used to control the on / off state of the first purified water supply passage 17. The second switching valve 192 is disposed on the second purified water supply passage 18 and is used to control the on / off state of the second purified water supply passage 18. Through the cooperation of the first switching valve 191 and the second switching valve 192, water can be supplied to the purified water storage mechanism 20 alone, water can be supplied to the cold water tank 51 alone, and water can be supplied to both the purified water storage mechanism 20 and the cold water tank 51 simultaneously.

[0052] In some embodiments, the valve assembly 19 may include a three-way valve, the three valve ports of which are respectively connected to the filter outlet, the first purified water supply path 17 and the second purified water supply path 18, and the water supply to the purified water storage mechanism 20 or the cold water tank 51 is achieved by switching the three-way valve.

[0053] In some embodiments, a liquid level detection component is provided in the cold water tank 51 and / or the purified water storage mechanism 20. The liquid level detection component is used to detect the water level and is electrically connected to the valve assembly 19 to control the on / off of the purified water supply according to the actual water level.

[0054] Specifically, the water purification storage mechanism 20 includes a water purification tank 21. For ease of explanation, the liquid level detection component in the water purification tank 21 is a first liquid level detection component 23. The first liquid level detection component 23 is used to detect the water level in the water purification tank 21, and the first liquid level detection component 23 is electrically connected to the first switch valve 191 so as to control the opening and closing of the first switch valve 191 according to the water level in the water purification tank 21.

[0055] In some embodiments, the functional water supply device further includes a control mechanism, which is electrically connected to the liquid level detection component and the valve assembly 19, respectively, for receiving water level information detected by the liquid level detection component and controlling the opening and closing of the valve assembly 19 according to the water level information.

[0056] For example, when the first liquid level detection component 23 detects that the water level in the purified water tank 21 is lower than the first low water level, the first liquid level detection component 23 sends a signal to the control mechanism. After receiving the signal from the first liquid level detection component 23, the control mechanism controls the first switching valve 191 to open, so as to replenish purified water into the purified water tank 21 through the filtration mechanism. When the first liquid level detection component 23 detects that the water level in the purified water tank 21 has reached the first high water level, the first liquid level detection component 23 sends a signal to the control mechanism. After receiving the signal from the first liquid level detection component 23, the control mechanism controls the first switching valve 191 to close, so as to stop replenishing purified water into the purified water tank 21.

[0057] The liquid level detection component inside the cold water tank 51 is the second liquid level detection component 52. The second liquid level detection component 52 and the second switch valve 192 can be electrically connected through the control mechanism so as to control the opening and closing of the second switch valve 192 according to the water level inside the cold water tank 51.

[0058] For example, when the second liquid level detection component 52 detects that the water level in the cold water tank 51 is lower than the second low water level, the second liquid level detection component 52 sends a signal to the control mechanism. After receiving the signal from the second liquid level detection component 52, the control mechanism controls the second switching valve 192 to open, so as to replenish purified water into the cold water tank 51 through the filtration mechanism. When the second liquid level detection component 52 detects that the water level in the purified water tank 21 has reached the second high water level, the second liquid level detection component 52 sends a signal to the control mechanism. After receiving the signal from the second liquid level detection component 52, the control mechanism controls the second switching valve 192 to close, so as to stop replenishing purified water into the cold water tank 51.

[0059] Alternatively, the level detection component can be a float level gauge or a hydrostatic level sensor, as long as it can detect the level.

[0060] It should be noted that the liquid level detection component and control mechanism are existing technologies, and the specific connection method between the liquid level detection component and control mechanism is also existing technology, which will not be described in detail in this embodiment.

[0061] In order to produce cold water, in some embodiments, the functional water mechanism further includes a refrigeration component 70, which is in heat exchange cooperation with the cold water tank 51 and / or the functional water tank 61 to produce cold water and maintain the water in the functional water tank 61 at a low temperature.

[0062] In some embodiments, the functional water tank 61 is disposed inside the cold water tank 51, and the cooling component 70 is heat exchanged with the outer wall of the cold water tank 51. Thus, the cooling component 70 only needs to cool the cold water tank 51, without the need for additional structures to cool the water inside the functional water tank 61 separately. This helps to reduce the number of parts, simplify the structure, and reduce costs.

[0063] Specifically, the functional water tank 61 is disposed inside the cold water tank 51, with the functional water tank 61 and the inner wall of the cold water tank 51 spaced apart, so that the cold water tank 51 can not only accommodate the functional water tank 61, but also has a certain amount of cold water storage capacity. The functional water tank 61 is made of a heat-conducting material so that heat can be conducted through contact between the functional water tank 61 and the cold water in the cold water tank 51, thereby reducing the temperature of the water in the functional water tank 61.

[0064] Optionally, the functional water tank 61 can be made of metal materials such as aluminum or stainless steel to provide good thermal conductivity.

[0065] In some embodiments, the refrigeration assembly 70 is a heat pump assembly. Specifically, the refrigeration assembly 70 includes an evaporator 71, a condenser 72, and a compressor 73, which are sequentially connected to form a circulation channel. The evaporator 71 covers the outer wall of the cold water tank 51, and the refrigerant in the evaporator 71 is used to absorb heat from the water in the cold water tank 51 to lower the water temperature. The condenser 72 is used to lower the temperature of the refrigerant so that the refrigerant can circulate for cooling.

[0066] In some embodiments, the refrigeration assembly 70 further includes a fan for driving airflow to exchange heat with the condenser 72, thereby reducing the temperature of the refrigerant in the condenser 72 through heat exchange between the airflow and the refrigerant in the condenser 72, thereby achieving refrigerant circulation refrigeration.

[0067] In some embodiments, the first supply port of the cold water tank 51 is connected to a first cold water supply pipe 53, which is connected to the functional water tank 61, so that the cold water in the cold water tank 51 can enter the functional water tank 61 through the first cold water supply pipe 53.

[0068] Optionally, a first booster pump 54 is provided on the first cold water supply pipe 53. The first booster pump 54 can drive the cold water in the cold water tank 51 to flow into the functional water tank 61 to ensure the supply of cold water. At the same time, it can also increase the water pressure of the cold water entering the cold water tank 51, which is beneficial to increase the concentration of carbon dioxide dissolved in the cold water.

[0069] In some embodiments, the functional water tank 61 is equipped with a third liquid level detection component, which is electrically connected to the first booster pump 54, so as to control the start and stop of the first booster pump 54 by the water level in the functional water tank 61, and to replenish cold water into the functional water tank 61 in a timely manner.

[0070] In some embodiments, a pressure detection device is provided in the functional water tank 61, and the pressure detection device is electrically connected to the first booster pump 54. The pressure detection device can detect the pressure inside the functional water tank 61. When the pressure inside the functional water tank 61 exceeds a first preset pressure value, the first booster pump 54 stops working and stops replenishing water into the functional water tank 61 to avoid excessive pressure inside the functional water tank 61 and causing a safety accident.

[0071] It should be noted that the air pressure detection device and the circuit connection between the air pressure detection device and the first booster pump 54 are existing technologies and will not be described in detail in this embodiment.

[0072] In some embodiments, the functional water tank 61 is connected to a pressure relief valve 65, which can open when the air pressure inside the functional water tank 61 reaches a second preset pressure value, so as to avoid excessive pressure inside the functional water tank 61 and potential safety hazards.

[0073] In some embodiments, the second water inlet of the cold water tank 51 is connected to a second cold water supply pipe 55, which is connected to a water outlet mechanism to provide cold water to the user.

[0074] Optionally, a first water pump 82 is provided on the second cold water supply pipe 55, and the first water pump 82 is used to drive the water in the cold water tank 51 to flow to the water outlet mechanism.

[0075] In some embodiments, the functional water tank 61 is connected to a functional water pipe 62, which is connected to a water outlet mechanism to provide functional water to the user.

[0076] Optionally, the functional water pipe 62 is provided with a third switching valve 621 and a first check valve 622. The third switching valve 621 is used to control the connection and disconnection between the functional water tank 61 and the water outlet mechanism, and the first check valve 622 is used to prevent water from flowing back into the functional water tank 61.

[0077] In order to avoid secondary contamination of purified water in the water purification tank 21, in some embodiments, the water purification tank 21 is equipped with a disinfection and sterilization component 22. The disinfection and sterilization component 22 is used to disinfect the inside of the water purification tank 21 to prevent the growth of bacteria in the water purification tank 21, prevent the purified water from being contaminated, and ensure drinking water hygiene.

[0078] Optionally, the disinfection and sterilization component 22 includes an ultraviolet germicidal lamp to disinfect and sterilize the water tank 21 and the water inside the water tank 21.

[0079] To meet users' water needs, in some embodiments, the functional water supply device further includes a heating component 30, the inlet end of which is connected to the purified water storage mechanism 20, and the outlet end of which is connected to the water outlet mechanism.

[0080] In some embodiments, the water outlet mechanism includes a first water outlet 41 and a second water outlet 42. The first water outlet 41 is connected to the outlet end of the heating component 30, and the second water outlet 42 can be connected to the cold water tank 51 and the functional water tank 61 respectively, so as to realize the output of hot water, cold water and functional water respectively.

[0081] Optionally, the heating component 30 can be an instant heating element, which is existing technology and will not be described in detail in this embodiment.

[0082] Optionally, a second water pump 81 is also provided between the water tank 21 and the heating component 30 to improve the water output power and ensure the water flow rate.

[0083] like Figure 2 As shown, in some embodiments, the filtration mechanism includes at least two filters connected in series to filter the raw water at least twice to ensure filtration effectiveness.

[0084] Optionally, two filters can be provided, namely a first filter 11 and a second filter 12. The first filter 11 can be a pre-filter, used for the first coarse filtration of the water, which can filter out large particles such as sediment, rust, insect eggs, and red worms in tap water.

[0085] Optionally, the first filter 11 can be a PPC filter element, which has a good filtration effect and can effectively remove mud particles and suspended matter in the water; the second filter 12 can be an RO (Reverse Osmosis Membrane) filter element, which is low in cost and environmentally friendly.

[0086] Optionally, the inlet end of the first filter 11 is connected to the water source through the first water inlet pipe 13, and the first filter 11 and the second filter 12 are connected through the second water inlet pipe 15. The second water inlet pipe 15 may be equipped with a fourth switch valve 151 and a second booster pump 14 to control the opening and closing of the second water inlet pipe 15 and to provide power for the filtered water.

[0087] Optionally, a pressure reducing valve 131 and a fifth switching valve 132 may be installed on the first water inlet pipe 13. The pressure reducing valve 131 can control the water pressure entering the first filter 11 to stabilize, reduce the impact of water on the first filter 11, and thus reduce the water hammer effect.

[0088] In some embodiments, the filtration mechanism further includes a wastewater outlet connected to a wastewater pipe 16, and a second one-way valve 161 is provided on the wastewater pipe 16 to prevent wastewater backflow.

[0089] It should be noted that the aforementioned switching valve can be a solenoid valve for convenient on / off control.

[0090] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A functional water supply device, characterized in that, include: Water outlet mechanism; A filtration mechanism, wherein the filtration mechanism is used to connect to a water source; The functional water mechanism includes a cold water tank (51), a refrigeration component (70), and a functional water tank (61). The functional water tank (61) is disposed inside the cold water tank (51). The refrigeration component (70) is heat exchanged with the cold water tank (51). The cold water tank (51) is connected to the filter outlet of the filtration mechanism. The cold water tank (51) includes a first supply port, which is connected to the functional water tank (61). The functional water tank (61) can be connected to the water outlet mechanism.

2. The functional water supply device according to claim 1, characterized in that, The functional water supply device also includes: A water purification storage mechanism (20) is provided, which can be connected to the filter outlet of the filter mechanism and the water outlet mechanism.

3. The functional water supply device according to claim 2, characterized in that, The functional water supply device also includes: The first purified water supply channel (17) is connected to the filter outlet and the purified water storage mechanism (20); The second purified water supply channel (18) is connected to the filter outlet and the cold water tank (51); The purified water supply valve assembly is used to control the opening and closing of the first purified water supply circuit (17) and the second purified water supply circuit (18).

4. The functional water supply device according to claim 3, characterized in that, A liquid level detection component is provided in the cold water tank (51) and / or the purified water storage mechanism (20). The liquid level detection component is used to detect the water level and is electrically connected to the purified water supply valve group.

5. The functional water supply device according to claim 2, characterized in that, The functional water supply device also includes a heating component (30), the inlet end of which is connected to the water purification storage mechanism (20), and the outlet end of which is connected to the water outlet mechanism.

6. The functional water supply device according to claim 2, characterized in that, The water purification storage unit (20) includes: A water purification tank (21) is used to store purified water, and the water purification tank (21) is connected to the filter outlet and the water outlet mechanism respectively; A disinfection and sterilization component (22) is installed in the water purification tank (21) and is used to disinfect the water purification tank (21).

7. The functional water supply device according to any one of claims 1-6, characterized in that, The refrigeration assembly (70) includes an evaporator (71), a condenser (72), and a compressor (73). The evaporator (71) covers the outer wall of the cold water tank (51), and the evaporator (71), the condenser (72), and the compressor (73) are connected in sequence to form a circulation channel.

8. The functional water supply device according to claim 7, characterized in that, The refrigeration assembly (70) also includes a fan for driving airflow to exchange heat with the condenser (72) to reduce the temperature of the refrigerant inside the condenser (72).

9. The functional water supply device according to any one of claims 1-6, characterized in that, The functional water mechanism also includes a gas cylinder (64), which is connected to the functional water tank (61) and is used to inject carbon dioxide into the functional water tank (61).

10. The functional water supply device according to any one of claims 1-6, characterized in that, The cold water tank (51) also includes a second supply port, which can be connected to the water outlet mechanism.

11. The functional water supply device according to any one of claims 1-6, characterized in that, The functional water supply device also includes: The first cold water supply pipe (53) connects the first supply port and the functional water tank (61), and the first cold water supply pipe (53) extends into the bottom end of the cold water tank (51). The first booster pump (54) is installed in the first cold water supply pipe (53).

12. The functional water supply device according to claim 11, characterized in that, The functional water tank (61) is equipped with a pressure detection device, which is electrically connected to the first booster pump (54).

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