Purified water supply device

Abstract

The utility model discloses a purified water supply device, and relates to the technical field of purified water supply, and the purified water supply device comprises a purified water supply unit; the heating unit is used for heating purified water in the first water storage unit; the heat exchange unit is provided with a first heat exchange flow channel and a second heat exchange flow channel which can exchange heat, and an outlet of the purified water supply unit communicates with the first water storage unit through the first heat exchange flow channel; the second water storage unit is communicated with the first water storage unit through a second heat exchange flow channel, so that when the purified water supply unit can supplement cold purified water output by the purified water supply unit into the first water storage unit through the first heat exchange flow channel, hot purified water in the first water storage unit is supplemented into the second water storage unit after being cooled through the second heat exchange flow channel; and the first water output mechanism is communicated with the second water storage unit. The problem that when a plurality of water output mechanisms are opened at the same time, the water yield is small can be solved.

Description

Technical Field

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

[0002] Commercial water purifiers play a vital role in the current drinking water supply sector, especially those that can directly dispense "cooled boiled water," providing convenience to users. These commercial water purifiers, designed to meet the needs of multiple people frequently or simultaneously drawing water, use a pressure tank to store the large volume of purified water output by the system. Simultaneously, a heating tank heats the purified water to boiling. When "cooled boiled water" is needed, the cold purified water in the pressure tank is replenished to the heating tank via a heat exchanger. The boiling water in the heating tank then exchanges heat with the cold purified water through the heat exchanger to form "cooled boiled water," which is then supplied to the user through the water dispensing mechanism.

[0003] However, in actual use, especially in certain scenarios such as when commercial water purifiers are used in school settings, there is a situation where people take water during breaks. Since multiple water output mechanisms of commercial water purifiers work at the same time, a serious problem is exposed: the water flow rate output by at least some of the water output mechanisms becomes very small. This greatly affects the user's water intake experience, fails to meet people's demand for water flow during concentrated water intake, causes inconvenience to users, and reduces the practicality and applicability of commercial water purifiers in such high-demand scenarios, which urgently needs improvement. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a water purification supply device that can solve the problem of low water flow when multiple water output mechanisms are opened at the same time.

[0005] The specific technical solution of this utility model embodiment is as follows:

[0006] A water purification supply device, the water purification supply device comprising:

[0007] Water purification supply unit;

[0008] A first water storage unit and a heating unit for heating the purified water in the first water storage unit;

[0009] A heat exchange unit, wherein the heat exchange unit has a first heat exchange channel and a second heat exchange channel capable of heat exchange, and the outlet of the purified water supply unit is connected to the first water storage unit through the first heat exchange channel.

[0010] The second water storage unit is connected to the first water storage unit through the second heat exchange channel, so that when the purified water supply unit can replenish the first water storage unit with cold purified water through the first heat exchange channel, the hot purified water in the first water storage unit is replenished into the second water storage unit after being cooled through the second heat exchange channel.

[0011] At least one first water output mechanism is connected to the second water storage unit.

[0012] Preferably, the height of the first water output mechanism is lower than the height of the second water storage unit, so that the purified water in the second water storage unit can be output from the first water output mechanism by gravity.

[0013] Preferably, the water purification supply device further includes:

[0014] The first circulation pipeline has its two ends connected to the first water storage unit and the second water storage unit, respectively.

[0015] The second circulation pipeline has its two ends connected to the first water storage unit and the second water storage unit, respectively. The first circulation pipeline, the first water storage unit, the second circulation pipeline, and the second water storage unit can form a circulation channel. Through the circulation channel, the hot purified water in the first water storage unit can circulate with the purified water in the second water storage unit due to the density difference.

[0016] Preferably, the height of the second water storage unit is higher than the height of the first water storage unit.

[0017] Preferably, the first circulation pipeline has an upward tendency to extend from the first water storage unit to the second water storage unit.

[0018] Preferably, a third on / off valve is provided on the circulation channel.

[0019] Preferably, the second water storage unit has a temperature measuring unit for measuring the temperature of the purified water inside;

[0020] The water purification supply device has a second water storage unit heating state. When the second water storage unit is in the heating state, the temperature of the purified water in the second water storage unit measured by the temperature measuring unit is lower than the preset temperature. The third on / off valve is in the open state so that the water in the first water storage unit and the water in the second water storage unit can form a circulating flow through the circulation channel.

[0021] Preferably, the water supply device has a second water storage unit replenishment state. In the second water storage unit replenishment state, the water supply unit replenishes the cold purified water output by the water supply unit into the first water storage unit through the first heat exchange channel, and the hot purified water in the first water storage unit flows out and is cooled by the second heat exchange channel before being replenished into the second water storage unit.

[0022] Preferably, there are two third on / off valves, one of which is installed on the first circulation pipeline and the other is installed on the second circulation pipeline.

[0023] Preferably, a fourth on / off valve is provided on the flow channel from the first water storage unit to the second water storage unit through the second heat exchange channel.

[0024] Preferably, the water purification supply device further includes:

[0025] At least one second water output mechanism is provided, which is connected to the first water storage unit.

[0026] Preferably, the second water storage unit has a germicidal lamp for sterilizing the purified water in the second water storage unit.

[0027] Preferably, the water purification supply device includes:

[0028] A drain water path with a fifth shut-off valve is provided, and the drain water path is connected to the first water storage unit.

[0029] Preferably, the purified water from the first circulation pipeline flows through the first water output mechanism to sterilize the water outlet section of the first water output mechanism.

[0030] Preferably, the first water output mechanism includes:

[0031] A first port, a second port, and flow channels connecting the first port and the second port respectively;

[0032] A water outlet section, wherein a water outlet channel is formed within the water outlet section, and at least a portion of the water outlet channel is in contact with at least a portion of the outer wall of the water outlet section;

[0033] An on / off control module controls the connection and disconnection between the outlet channel and the through channel;

[0034] The first water output mechanism is connected to the first circulation pipeline through the first port and the second port.

[0035] Preferably, when there are multiple first water output mechanisms, the multiple first water output mechanisms are generally located at the same horizontal height.

[0036] Preferably, each of the first water output mechanisms is independently connected to the second water storage unit.

[0037] Preferably, the outlet of the water purification supply unit is also connected to the first water storage unit through a first water inlet pipe.

[0038] Preferably, the water purification supply device further includes:

[0039] A flow control unit is used to control the flow rate of purified water output from the purified water supply unit into the first heat exchange channel.

[0040] Preferably, the outlet of the purified water supply unit is connected to the first water storage unit through a second water inlet pipe having the first heat exchange channel;

[0041] The flow control unit includes:

[0042] A flow regulating valve is installed on the second water inlet pipe.

[0043] Preferably, the flow control unit includes a first on / off valve disposed on the first water inlet pipe.

[0044] Preferably, the outlet of the purified water supply unit is connected to the first water storage unit through a second water inlet pipe having the first heat exchange channel;

[0045] The flow control unit includes:

[0046] A second on / off valve is installed on the second water inlet pipe.

[0047] Preferably, the second on / off valve is controlled by a PWM circuit, and the flow rate of the second water inlet pipe is controlled by controlling the duty cycle of the second on / off valve.

[0048] Preferably, the water purification supply unit includes at least:

[0049] A filtration system is used to filter raw water to produce purified water.

[0050] The technical solution of this utility model has the following significant beneficial effects:

[0051] The water purification supply device in this application supplies purified water to a first water storage unit via a water purification supply unit. A heating unit boils the purified water in the first water storage unit. The hot purified water from the first water storage unit is then replenished into the second water storage unit through a second heat exchange channel. Simultaneously, the water purification supply unit replenishes the first water storage unit with cold purified water through the first heat exchange channel to maintain the water volume in the first water storage unit. During this period, the water replenished into the second water storage unit is cooled by the heat exchange unit, resulting in purified water at a lower temperature, which is stored in the second water storage unit. When a user needs purified water at a lower temperature, at least one first water output mechanism can be activated to output the stored purified water at a lower temperature from the second water storage unit to supply the user. Because the second water storage unit already stores purified water at a lower temperature, even when multiple first water output mechanisms are activated simultaneously, each first water output mechanism can maintain a relatively high purified water flow rate, preventing insufficient flow and reducing user waiting time, thus significantly improving the user experience.

[0052] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Features described and / or shown for one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments. Attached Figure Description

[0053] The accompanying drawings described herein are for illustrative purposes only and are not intended to limit the scope of this invention in any way. Furthermore, the shapes and proportions of the components in the drawings are merely illustrative to aid in understanding the invention and do not specifically limit the shapes and proportions of the components. Those skilled in the art, under the guidance of this invention, can select various possible shapes and proportions to implement this invention according to specific circumstances.

[0054] Figure 1 This is a schematic diagram of the water purification supply device in the first embodiment of the present invention;

[0055] Figure 2 This is a schematic diagram of the water purification supply device in the second embodiment of the present invention;

[0056] Figure 3 This is a schematic diagram of the water purification supply device in the third embodiment of the present invention;

[0057] Figure 4This is a schematic diagram of the water purification supply device in the fourth embodiment of the present invention;

[0058] Figure 5 This is a schematic diagram of the water purification supply device in the fifth embodiment of this utility model;

[0059] Figure 6 This is a cross-sectional structural diagram of the first water output mechanism in this embodiment of the utility model.

[0060] The reference numerals in the above figures are as follows:

[0061] 1. Water supply unit; 2. First water storage unit; 3. Heating unit; 4. Heat exchange unit; 41. First heat exchange channel; 42. Second heat exchange channel; 5. Second water storage unit; 6. First water output mechanism; 61. First port; 62. Second port; 63. Flow channel; 64. Water outlet; 641. Water outlet channel; 65. On / off control module; 7. First circulation pipeline; 8. Second circulation pipeline; 9. Third on / off valve; 10. Fourth on / off valve; 11. Second water output mechanism; 12. Germicidal lamp; 13. Drainage water path; 131. Fifth on / off valve; 14. First water inlet pipeline; 15. Second water inlet pipeline; 161. First on / off valve; 162. Second on / off valve; 163. Flow regulating valve. Detailed Implementation

[0062] The details of this utility model can be more clearly understood by referring to the accompanying drawings and the description of specific embodiments. However, the specific embodiments of this utility model described herein are only for explaining the purpose of this utility model and should not be construed as limiting this utility model in any way. Under the teachings of this utility model, those skilled in the art can conceive of any possible modifications based on this utility model, and these should all be considered to fall within the scope of this utility model. It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there may be an intervening element. The terms "mounted," "connected," and "connected" should be interpreted broadly, for example, it can be a mechanical connection or an electrical connection, or it can be a connection within two elements, which can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only embodiments.

[0063] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0064] To address the issue of insufficient water flow when multiple water output mechanisms are activated simultaneously, this application proposes a water purification supply device. Figure 1 This is a schematic diagram of the water purification supply device in one embodiment of the present invention, as shown below. Figure 1 As shown, the purified water supply device may include: a purified water supply unit 1; a first water storage unit 2 and a heating unit 3 for heating the purified water in the first water storage unit 2; a heat exchange unit 4, which has a first heat exchange channel 41 and a second heat exchange channel 42 capable of heat exchange, and the outlet of the purified water supply unit 1 is connected to the first water storage unit 2 through the first heat exchange channel 41; a second water storage unit 5, which is connected to the first water storage unit 2 through the second heat exchange channel 42, so that when the purified water supply unit 1 can replenish the first water storage unit 2 with cold purified water output through the first heat exchange channel 41, the hot purified water in the first water storage unit 2 is cooled down through the second heat exchange channel 42 and replenished into the second water storage unit 5; and at least one first water output mechanism 6, which is connected to the second water storage unit 5.

[0065] The water purification supply device in this application supplies purified water to the first water storage unit 2 via a water purification supply unit 1. The water in the first water storage unit 2 is boiled via a heating unit 3. The hot purified water in the first water storage unit 2 is then replenished into the second water storage unit 5 via a second heat exchange channel 42. Simultaneously, the water purification supply unit 1 replenishes the first water storage unit 2 with cold purified water via a first heat exchange channel 41 to maintain the water volume in the first water storage unit 2. During this period, the water replenished into the second water storage unit 5 is cooled by the heat exchange unit 4, resulting in purified water with a lower temperature, which is stored in the second water storage unit 5. When a user requires purified water with a lower temperature, at least one first water output mechanism 6 can be activated to output the purified water with a lower temperature stored in the second water storage unit 5 to supply the user. Since the second water storage unit 5 has pre-stored purified water at a lower temperature, even when multiple first water output mechanisms 6 are turned on at the same time, each first water output mechanism 6 can maintain a relatively high purified water output flow rate, and there will be no problem of low water output flow rate. This reduces the waiting time for users to get water and greatly improves the user experience.

[0066] like Figure 1As shown, the purified water supply unit 1 is used to provide purified water. Alternatively, the purified water supply unit 1 may include at least a filtration system for filtering raw water to form purified water. The filtration system may have different types of filter cartridges to filter the raw water to form purified water. When the filter cartridge includes a reverse osmosis membrane cartridge, the purified water can be pure water. In other feasible embodiments, the filter cartridge may include other types of filter cartridges, such as nanofiltration membrane cartridges, ultrafiltration membrane cartridges, etc. Of course, the filtration system may include pre-filter cartridges and post-filter cartridges, etc. In another feasible embodiment, the purified water supply unit 1 may be a purified water storage unit that stores a certain amount of purified water, thereby providing purified water to the outside.

[0067] like Figure 1 As shown, the first water storage unit 2 is used to store purified water, and the heating unit 3 can heat the purified water in the first water storage unit 2 to a boiling or near-boiling temperature. For example, the first water storage unit 2 can be a tank that can store a certain amount of purified water, and it can have heat preservation properties to keep the heated purified water at a suitable temperature. The heating unit 3 can generally use any type of electric heating element available in the prior art to heat the purified water, and no limitations are imposed here.

[0068] like Figure 1 As shown, heat exchange unit 4 is used to exchange heat between the two input fluids, thereby cooling the fluid with a relatively higher temperature and heating the fluid with a relatively lower temperature. Heat exchange unit 4 can employ different types of heat exchangers, such as shell-and-tube heat exchangers, coaxial heat exchangers, plate heat exchangers, etc. This application does not impose any limitation on the type of heat exchanger. The outlet of the purified water supply unit 1 is connected to the first water storage unit 2 through the first heat exchange channel 41.

[0069] Furthermore, when a shell-and-tube heat exchanger is selected for heat exchange unit 4, a first heat exchange channel 41 is formed between the outer tube and the inner tube of the shell-and-tube heat exchanger, and a second heat exchange channel 42 is formed inside the inner tube. This method can effectively improve the cooling effect on the fluid flowing through the second heat exchange channel 42.

[0070] like Figure 1As shown, the second water storage unit 5 is connected to the first water storage unit 2 via the second heat exchange channel 42. This allows the purified water supply unit 1 to replenish the first water storage unit 2 with cold purified water output through the first heat exchange channel 41, while the hot purified water in the first water storage unit 2 is cooled down through the second heat exchange channel 42 and then replenished into the second water storage unit 5. The second water storage unit 5 can be pressurized, meaning that when the purified water supply unit 1 replenishes the first water storage unit 2 with cold purified water, the hot purified water in the first water storage unit 2 is forced out and transported to the second water storage unit 5. The hot purified water in the first water storage unit 2, after being cooled down through the second heat exchange channel 42, can form purified water with a relatively low temperature, such as a temperature that the user can drink directly, which can be called "cooled boiled water". The second water storage unit 5 can be a container capable of storing a certain amount of water, such as a water tank or a vessel. The second water storage unit 5 can have a certain heat preservation performance to prevent the temperature of the relatively low-temperature purified water stored inside from dropping further, which would result in the output purified water being too cold and uncomfortable for the user, especially in winter.

[0071] There can be one or more first water output mechanisms 6, and the first water output mechanism 6 is connected to the second water storage unit 5. The first water output mechanism 6 can be a water outlet control valve such as a faucet, and can be electrically controlled or manually controlled.

[0072] To further ensure the water flow rate of each first water output mechanism 6, each first water output mechanism 6 is independently connected to the second water storage unit 5 through its own corresponding pipe, thus avoiding a reduction in water flow rate caused by the first water output mechanisms 6 sharing a pipe. The second water storage unit 5 can extend in a certain direction. Multiple first water output mechanisms 6 can be arranged sequentially along this direction. As a feasible option, the height of the first water output mechanism 6 can be lower than the height of the second water storage unit 5, so that the purified water in the second water storage unit 5 can be output from the first water output mechanism 6 by gravity. In this way, purified water in the second water storage unit 5 can be output from any one of the first water output mechanisms 6 without the need for any water pump.

[0073] When there are multiple first water output mechanisms 6, they are generally located at the same horizontal level. This ensures that when multiple first water output mechanisms 6 are activated simultaneously, the water output flow rate of each first water output mechanism 6 is basically the same.

[0074] As a feasible option, Figure 2 This is a schematic diagram of the water purification supply device in a second embodiment of the present invention, as shown below. Figure 2As shown, the water purification supply device may include at least one second water output mechanism 11, which is connected to the first water storage unit 2. When a user needs hot purified water, they can obtain hot purified water through the second water output mechanism 11, thereby meeting the user's need for different temperatures of purified water.

[0075] Figure 3 This is a schematic diagram of the water purification supply device in a third embodiment of the present invention, as shown below. Figure 3 As shown, the water purification supply device may include: a first circulation pipe 7, with its two ends connected to a first water storage unit 2 and a second water storage unit 5, respectively; and a second circulation pipe 8, with its two ends connected to the first water storage unit 2 and the second water storage unit 5, respectively. The first circulation pipe 7, the first water storage unit 2, the second circulation pipe 8, and the second water storage unit 5 can form a circulation channel. Through this channel, the hot purified water in the first water storage unit 2 can circulate with the purified water in the second water storage unit 5 due to the density difference. This method reduces the need for a circulation pump and lowers the cost of the water purification supply device.

[0076] To ensure efficient circulation, the height of the second water storage unit 5 can be higher than that of the first water storage unit 2. Furthermore, the first circulation pipe 7 extends upwards from the first water storage unit 2 to the second water storage unit 5, minimizing downward bends. This allows the hot purified water in the first water storage unit 2 to flow efficiently upwards through the first circulation pipe 7 to the second water storage unit 5 due to density differences, while the purified water in the second water storage unit 5 can also be replenished to the first water storage unit 2 through the second circulation pipe 8.

[0077] In order to control whether the first water storage unit 2 and the second water storage unit 5 achieve convection circulation through the circulation channel, a third on / off valve 9 can be installed on the circulation channel.

[0078] The second water storage unit 5 may have a temperature measuring unit to measure the temperature of the purified water inside. The purified water supply device has a heating state for the second water storage unit 5. When the second water storage unit 5 is in the heating state, if the temperature measured by the temperature measuring unit is lower than a preset temperature, the third on / off valve 9 is open, allowing the water in the first water storage unit 2 and the water in the second water storage unit 5 to circulate through the circulation channel. This structure ensures that the purified water in the second water storage unit 5 is maintained above the preset temperature, preventing the water temperature from dropping too low over time, resulting in excessively cold output water and discomfort for the user. Furthermore, this structure also allows for sterilization of the circulation channel and the second water storage unit 5, especially when sterilization of the second water storage unit 5 is required, as the circulation can convert the purified water in the second water storage unit 5 into higher-temperature purified water.

[0079] As a feasible option, such as Figure 3 As shown, the second water storage unit 5 has a sterilizing lamp 12 for sterilizing the purified water inside. Since the second water storage unit 5 stores purified water at a relatively low temperature that is safe for direct consumption under normal use, the sterilizing lamp 12 can be turned on to sterilize the purified water in the second water storage unit 5 to prevent bacterial growth during long-term storage. The sterilizing lamp 12 can be installed inside the second water storage unit 5, and for example, a UV sterilizing lamp 12 can be used.

[0080] As a feasible option, such as Figure 3 As shown, there can be two third shut-off valves 9: one on the first circulation pipe 7 and the other on the second circulation pipe 8. When the water in the first water storage unit 2 and the water in the second water storage unit 5 do not need to circulate through the circulation channels, both third shut-off valves 9 are in the open state. This prevents the hot water in the first water storage unit 2 from being added to the second water storage unit 5 without being cooled by the second heat exchange channel 42 when the purified water supply unit 1 can replenish the first water storage unit 2 through the first heat exchange channel 41. Instead, the hot purified water may be directly added to the second water storage unit 5 through the first circulation pipe 7 and / or the second circulation pipe 8 without being cooled. In other words, when the second water storage unit 5 is being replenished, both third shut-off valves 9 are in the open state.

[0081] As a feasible option, such as Figure 3As shown, a fourth shut-off valve 10 is installed on the flow channel from the first water storage unit 2 to the second water storage unit 5 via the second heat exchange channel 42. When the water in the first water storage unit 2 and the water in the second water storage unit 5 need to circulate through the circulation channel, the fourth shut-off valve 10 can be disconnected, thereby preventing the hot purified water in the first water storage unit 2 from flowing into the second water storage unit 5 after being cooled through the second heat exchange channel 42. In other words, when the second water storage unit 5 is in the heating state, the fourth shut-off valve 10 is in the open state.

[0082] As a feasible option, Figure 5 This is a schematic diagram of the water purification supply device in the fifth embodiment of this utility model, as shown below. Figure 5 As shown, the purified water in the first circulation pipe 7 flows through the first water output mechanism 6 to sterilize the outlet 64 of the first water output mechanism 6. That is, when the second water storage unit 5 is in heating mode, the hot purified water flowing out of the first water storage unit 2 through the first circulation pipe 7 flows through the first water output mechanism 6, thereby heating some components of the first water output mechanism 6 to a higher temperature before flowing into the second water storage unit 5. During this process, the high temperature can be used to sterilize the outlet 64 of the first water output mechanism 6. Since the first water output mechanism 6 normally outputs purified water at a relatively low temperature, bacteria easily grow on the first water output mechanism 6, and the low-temperature purified water flowing out cannot sterilize the first water output mechanism 6 at high temperature. The purified water flowing through the first circulation pipe 7 through the first water output mechanism 6 can sterilize the outlet 64 of the first water output mechanism 6.

[0083] In one feasible implementation Figure 6 This is a cross-sectional structural diagram of the first water output mechanism in an embodiment of this utility model, as shown below. Figure 6As shown, the first water output mechanism 6 may include: a first port 61, a second port 62, and a flow channel 63 connecting the first port 61 and the second port 62 respectively; a water outlet 64, in which a water outlet flow channel 641 is formed, and at least a portion of the flow channel 63 contacts at least a portion of the outer wall of the water outlet 64; an on / off control module 65, which controls the on / off connection between the water outlet flow channel 641 and the flow channel 63; the first water output mechanism 6 is connected to the first circulation pipe 7 through the first port 61 and the second port 62. The hot purified water flowing through the first circulation pipe 7 can heat the water outlet 64 to a higher temperature when it flows through the flow channel 63 of the first water output mechanism 6, thereby sterilizing the water outlet flow channel 641 formed by the water outlet 64. When the first water output mechanism 6 is turned on to output purified water with a lower temperature in the second water storage unit 5, the on / off control module 65 controls the water outlet channel 641 to connect with the flow channel 63, and the purified water with a lower temperature in the second water storage unit 5 can flow into the water outlet channel 641 for output through the first circulation pipeline 7 between the first water output mechanism 6 and the second water storage unit 5.

[0084] As a feasible option, such as Figure 3 and Figure 5 As shown, the water supply device includes a drain water passage 13 with a fifth shut-off valve 131, which is connected to the first water storage unit 2. When it is necessary to drain the first water storage unit 2, the fifth shut-off valve 131 can be opened to drain all the water in the first water storage unit 2 through the drain water passage 13. The drain water passage 13 can be connected to the bottom of the first water storage unit 2 to ensure that the water in the first water storage unit 2 can be easily drained.

[0085] As a feasible option, Figure 4 This is a schematic diagram of the water purification supply device in the fourth embodiment of this utility model, as shown below. Figure 4 As shown, the outlet of the purified water supply unit 1 is also connected to the first water storage unit 2 via the first inlet pipe 14. The outlet of the purified water supply unit 1 is connected to the first water storage unit 2 via the second inlet pipe 15, which has a first heat exchange channel 41. When the purified water supply unit 1 replenishes the first water storage unit 2 with the output cold purified water, it can be entirely replenished through the second inlet pipe 15, simultaneously replenished through both the second inlet pipe 15 and the first inlet pipe 14, or entirely replenished through the first inlet pipe 14.

[0086] The purified water supply device also includes a flow control unit, which controls the flow rate of purified water output from the purified water supply unit 1 into the first heat exchange channel 41. The greater the proportion of the purified water flow rate from the purified water supply unit 1 into the first heat exchange channel 41 to the total purified water flow rate from the purified water supply unit 1 into the first water storage unit 2, the greater the degree to which the hot purified water in the first water storage unit 2 is cooled through the second heat exchange channel 42, and the lower the temperature of the cooled purified water flowing into the second water storage unit 5. The temperature of the cooled purified water flowing from the first water storage unit 2 into the second water storage unit 5 can be arbitrarily adjusted in this way.

[0087] The flow control unit can be implemented in several different ways. In one embodiment, the flow control unit may include a flow regulating valve 163 disposed on the second water inlet pipe 15. The flow regulating valve 163 is increased when a greater proportion of the purified water output from the water supply unit 1 flows through the second water inlet pipe 15 is required. The flow regulating valve 163 may also be disposed on the first water inlet pipe 14. The flow regulating valve 163 is decreased when a greater proportion of the purified water output from the water supply unit 1 flows through the second water inlet pipe 15 is required. In another embodiment, the flow control unit includes a first on / off valve 161 disposed on the first water inlet pipe 14. The first on / off valve 161 is closed when all the purified water output from the water supply unit 1 flows through the second water inlet pipe 15. The first on / off valve 161 is opened when a portion of the purified water output from the water supply unit 1 flows through the second water inlet pipe 15 and a portion flows through the first water inlet pipe 14. In another embodiment, the flow control unit includes a second on / off valve 162 disposed on the second inlet pipe 15. In this embodiment, the proportion of purified water output from the purified water supply unit 1 flowing through the second inlet pipe 15 can be controlled by controlling the opening and closing time ratio of the second on / off valve 162 within a unit time. For example, the second on / off valve 162 is controlled by a PWM circuit, and the flow rate of the second inlet pipe 15 is controlled by controlling the duty cycle of the second on / off valve 162. In some embodiments, the flow control unit may include both a first on / off valve 161 and a second on / off valve 162. In other feasible embodiments, the flow control unit may be a one-inlet-two-outlet flow distribution valve connected at the intersection of the first inlet pipe 14 and the second inlet pipe 15 upstream, or a two-inlet-one-outlet flow distribution valve connected at the intersection of the first inlet pipe 14 and the second inlet pipe 15 downstream.

[0088] This application also proposes a control method for a water purification supply device, which can be applied to any of the above-mentioned water purification supply devices, or to other feasible water purification supply devices.

[0089] The control method may include the following steps:

[0090] When the preset conditions are met, the cold purified water output by the purified water supply unit 1 is replenished into the first water storage unit 2 through the first heat exchange channel 41, and the hot purified water in the first water storage unit 2 flows out and is cooled down through the second heat exchange channel 42 before being replenished into the second water storage unit 5.

[0091] In this step, the preset conditions may include: the clean water in the first water storage unit 2 is lower than the preset liquid level, which indicates that water needs to be added to the second water storage unit 5.

[0092] Specifically, this step may include: when the temperature of the hot purified water in the first water storage unit 2 after cooling through the second heat exchange channel 42 is lower than the first preset temperature, the flow rate of the cold purified water output by the purified water supply unit 1 to replenish the first water storage unit 2 through the first heat exchange channel 41 can be reduced. When the weather gets cold, the temperature of the cold purified water output by the purified water supply unit 1 can be lowered. If the flow rate of the cold purified water output by the purified water supply unit 1 to replenish the first water storage unit 2 through the first heat exchange channel 41 is not changed, the temperature of the hot purified water in the first water storage unit 2 after cooling through the second heat exchange channel 42 will decrease. In this way, the temperature of the hot purified water in the first water storage unit 2 after cooling through the second heat exchange channel 42 can be increased.

[0093] In order to reduce the flow rate of cold purified water output by the water supply unit 1 into the first water storage unit 2 through the first heat exchange channel 41, it is feasible to open the first on / off valve 161 on the first water inlet pipe 14.

[0094] This step may specifically include: when the temperature of the hot purified water in the first water storage unit 2 after being cooled by the second heat exchange channel 42 is higher than a second preset temperature, increasing the flow rate of the cold purified water output by the purified water supply unit 1 into the first water storage unit 2 through the first heat exchange channel 41. When the weather gets hot, the temperature of the hot purified water in the first water storage unit 2 after being cooled by the second heat exchange channel 42 can be reduced by the above method.

[0095] In order to increase the flow rate of the cold purified water output by the water supply unit 1 into the first water storage unit 2 through the first heat exchange channel 41, it is feasible to close the first on / off valve 161 on the first water inlet pipe 14.

[0096] The control method in this application may also include the following steps:

[0097] When the temperature of the purified water in the second water storage unit 5 is lower than the preset temperature, the circulation channel is connected so that the hot purified water in the first water storage unit 2 flows into the second water storage unit 5 through the first circulation pipe 7.

[0098] In this step, the purified water in the second water storage unit 5 is maintained above the preset temperature, preventing the purified water in the second water storage unit 5 from dropping to an excessively low temperature over time, which would cause the user to feel uncomfortable due to the low temperature of the output purified water. When connecting the circulation channel, the two third shut-off valves 9 can be opened, and the fourth shut-off valve 10 can be disconnected.

[0099] All articles and references disclosed herein, including patent applications and publications, are incorporated herein by reference for various purposes. The term “substantially constitutes…” used to describe a combination should include the identified element, component, part, or step, as well as other elements, components, parts, or steps that do not substantially affect the essential novelty of the combination. The use of the terms “comprising” or “including” to describe combinations of elements, components, parts, or steps herein also contemplates embodiments substantially constituted by such elements, components, parts, or steps. The use of the term “may” herein is intended to indicate that any described attribute “may” include is optional. Multiple elements, components, parts, or steps can be provided by a single integrated element, component, part, or step. Alternatively, a single integrated element, component, part, or step can be divided into multiple separate elements, components, parts, or steps. The disclosure of “a” or “an” used to describe an element, component, part, or step does not imply exclusion of other elements, components, parts, or steps.

[0100] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A water purifying and supplying apparatus, characterized by comprising: The water purification and supply device comprises: a water purification and supply unit; a first water storage unit and a heating unit for heating the purified water in the first water storage unit; a heat exchange unit having a first heat exchange flow channel and a second heat exchange flow channel capable of heat exchange, an outlet of the water purification and supply unit being communicated with the first water storage unit through the first heat exchange flow channel; a second water storage unit communicated with the first water storage unit through the second heat exchange flow channel, so that when the water purification and supply unit replenishes the output cold purified water into the first water storage unit through the first heat exchange flow channel, the hot purified water in the first water storage unit is replenished into the second water storage unit through the second heat exchange flow channel after being cooled down; at least one first water output mechanism communicated with the second water storage unit.

2. The water purification and supply apparatus according to claim 1, wherein The height of the first water output mechanism is lower than the height of the second water storage unit, so that the purified water in the second water storage unit can be output from the first water output mechanism by gravity.

3. The water purification and supply apparatus according to claim 1, wherein The water purification and supply device further comprises: a first circulation pipeline having two ends respectively communicated with the first water storage unit and the second water storage unit; a second circulation pipeline having two ends respectively communicated with the first water storage unit and the second water storage unit, the first circulation pipeline, the first water storage unit, the second circulation pipeline and the second water storage unit being capable of forming a circulation flow channel, through which the hot purified water in the first water storage unit can form a circulation flow with the purified water in the second water storage unit due to the density difference.

4. The water purifying and supplying apparatus according to claim 3, wherein The height of the second water storage unit is higher than the height of the first water storage unit.

5. The water purifying and supplying apparatus according to claim 3, wherein The first circulation pipeline has a tendency to extend upward from the first water storage unit to the second water storage unit.

6. The water purifying and supplying apparatus according to claim 3, wherein A third on-off valve is arranged on the circulation flow channel.

7. The water purification and supply apparatus according to claim 6, wherein The second water storage unit is provided with a temperature measuring unit for measuring the temperature of the purified water inside the second water storage unit; The water purification and supply device has a second water storage unit heating state, in which the temperature of the purified water in the second water storage unit measured by the temperature measuring unit is lower than a preset temperature, and the third on-off valve is in an open state, so that the water in the first water storage unit and the water in the second water storage unit form a circulation flow through the circulation flow channel.

8. The water purification and supply apparatus according to claim 1, wherein The water purification and supply device has a second water storage unit replenishment state, in which the water purification and supply unit replenishes the output cold purified water into the first water storage unit through the first heat exchange flow channel, and the hot purified water in the first water storage unit flows out and is replenished into the second water storage unit after being cooled down through the second heat exchange flow channel.

9. The water purification and supply apparatus according to claim 6, wherein The third on-off valve is two, one of which is arranged on the first circulation pipeline, and the other is arranged on the second circulation pipeline.

10. The water purification and supply apparatus according to claim 3, wherein The first water storage unit is provided with a fourth on-off valve on the flow channel from the second heat exchange flow channel to the second water storage unit.

11. The water purification and supply apparatus according to claim 1, wherein The water purification and supply device further comprises: at least one second water output mechanism communicated with the first water storage unit.

12. The water purification and dispensing apparatus of claim 1, wherein The second water storage unit is provided with a sterilization lamp for sterilizing the purified water in the second water storage unit.

13. The water purification and dispensing apparatus of claim 1, wherein The purified water supply device comprises: An emptying water path with a fifth on-off valve, which is in communication with the first water storage unit.

14. The water purification and supply apparatus according to claim 3, wherein The purified water in the first circulation pipeline flows through the first water output mechanism to sterilize the water outlet in the first water output mechanism.

15. The water purification and dispensing apparatus of claim 14, wherein The first water output mechanism comprises: A first port, a second port and a flow passage in communication with the first port and the second port respectively; A water outlet in which a water outlet flow passage is formed, and at least part of the flow passage is in contact with at least part of the outer wall of the water outlet; An on-off control module for controlling the on-off of the water outlet flow passage and the flow passage; The first water output mechanism is connected to the first circulation pipeline through the first port and the second port.

16. The water purification and dispensing apparatus of claim 1, wherein When there are multiple first water output mechanisms, the multiple first water output mechanisms are located at the same horizontal level.

17. The water purification and dispensing apparatus of claim 16, wherein Each of the multiple first water output mechanisms is independently connected to the second water storage unit.

18. The water purification and dispensing apparatus of claim 1, wherein The outlet of the purified water supply unit is also in communication with the first water storage unit through a first water inlet pipeline.

19. The water purification and dispensing apparatus of claim 18, wherein The purified water supply device further comprises: A flow control unit for controlling the flow of the purified water output by the purified water supply unit into the first heat exchange flow passage.

20. The water purification and dispensing apparatus of claim 19, wherein The outlet of the purified water supply unit is in communication with the first water storage unit through a second water inlet pipeline with the first heat exchange flow passage; The flow control unit comprises: A flow regulating valve arranged on the second water inlet pipeline.

21. The water purification and dispensing apparatus of claim 19, wherein The flow control unit comprises a first on-off valve arranged on the first water inlet pipeline.

22. The water purification and dispensing apparatus of claim 19, wherein The outlet of the purified water supply unit is in communication with the first water storage unit through a second water inlet pipeline with the first heat exchange flow passage; The flow control unit comprises: A second on-off valve arranged on the second water inlet pipeline.

23. The water purification and dispensing apparatus of claim 22, wherein The second on-off valve is controlled by a PWM circuit, and the flow of the second water inlet pipeline is controlled by controlling the duty cycle of the second on-off valve.

24. The water purification and dispensing apparatus of claim 1, wherein The purified water supply unit comprises at least: A filtration system for filtering raw water to form purified water.

Images