Water dispenser

Abstract

The water dispenser comprises a water inlet device, a heating device, a refrigerating device and a water outlet device, and the first water inlet end of the heating device is connected with the water inlet device; a second water inlet end of the refrigerating device is connected with the water inlet device; the water outlet device is connected with the first water outlet end of the heating device and the second water outlet end of the refrigerating device. According to the water dispenser, the heating device and the refrigerating device are arranged and connected with the water outlet device, cold water or hot water can be supplied through the water outlet device, the water supply temperature can be adjusted according to needs, and the water dispenser is convenient for a user to use.

Description

Technical Field

[0001] The invention relates to the technical field of water treatment equipment, and in particular to a water dispenser. Background Art

[0002] In the water dispenser of the related art, a cold water outlet and a hot water outlet are usually provided, which are used to provide cold water and hot water respectively. During use, the user needs to make sure that a water container such as a water cup is placed at the cold water outlet or the hot water outlet, which makes it inconvenient to use. Summary of the invention

[0003] To this end, an object of the present invention is to provide a water dispenser.

[0004] According to an embodiment of the present invention, the water dispenser includes: a water inlet device, a heating device, a refrigeration device and a water outlet device, wherein the first water inlet end of the heating device is connected to the water inlet device; the second water inlet end of the refrigeration device is connected to the water inlet device; and the water outlet device is connected to the first water outlet end of the heating device and the second water outlet end of the refrigeration device.

[0005] According to the water dispenser of the embodiment of the present invention, a heating device and a refrigeration device are provided, and the heating device and the refrigeration device are connected to a water outlet device, cold water or hot water can be supplied through the water outlet device, and the water supply temperature can be rotated as needed, which is convenient for users.

[0006] In addition, the water dispenser according to the above embodiment of the present invention may also have the following additional technical features:

[0007] In some embodiments, the water dispenser further includes a drainage device, wherein the drainage device is connected to the first water outlet end of the heating device and / or the second water outlet end of the refrigeration device, and the drainage device is selectively connected to drain water.

[0008] In some embodiments, the drainage device includes a hot water discharge path and a hot water discharge valve, one end of the hot water discharge path is connected between the heating device and the water outlet device, and the other end is used for drainage, and the hot water discharge valve controls the opening and closing of the hot water discharge path.

[0009] In some embodiments, the water dispenser further comprises a hot water valve, wherein the hot water valve is connected in series between the heating device and the water outlet device;

[0010] The water dispenser further comprises a first controller, the first controller is communicatively connected to the hot water discharge valve and the hot water valve, and the first controller is configured to control the hot water discharge valve to open for a first preset time before opening the hot water valve during the water extraction process;

[0011] Alternatively, the water dispenser also includes a second controller and a temperature monitoring component, the temperature monitoring component is used to monitor the outlet water temperature value of the water outlet device, the second controller is communicatively connected to the temperature monitoring component, the hot water discharge valve and the hot water valve, and the second controller is configured to control the hot water discharge valve to open when the outlet water temperature value is less than a preset temperature value during the water extraction process, and control the hot water valve to open when the outlet water temperature value is greater than or equal to the preset temperature value.

[0012] In some embodiments, the water dispenser further comprises a cold water valve, wherein the cold water valve is connected in series between the refrigeration device and the water outlet device.

[0013] Wherein, the water dispenser includes a third controller, the third controller is communicatively connected to the cold water discharge valve and the cold water valve, and the third controller is configured to control the cold water discharge valve to open for a second preset time period before opening the cold water valve during the water extraction process;

[0014] Alternatively, the water dispenser includes a fourth controller, which is communicatively connected to the cold water discharge valve and the cold water valve, and the fourth controller is configured to control the cold water discharge valve to open when predetermined conditions are met, and the predetermined conditions include that the idle time of the water dispenser reaches a third preset time period and / or the idle time of the refrigeration device reaches a fourth preset time period.

[0015] In some embodiments, the refrigeration device includes: a cold tank having a first inlet and a first outlet; and a refrigeration module configured to refrigerate the fluid in the cold tank by utilizing a phase change of a refrigerant.

[0016] In some embodiments, the refrigeration module includes an evaporator, and the evaporator is arranged along the circumference of the cold tank.

[0017] In some embodiments, the heating device comprises a water pump and an instant heater, and the water pump and the instant heater are connected in series;

[0018] And / or, the heating device includes an instant heater, which includes a heating tube and a flow guide, the heating tube has a second inlet and a second outlet, the flow guide is arranged in the heating tube, and a circuitous or spirally extending flow channel is constructed in the heating tube, and the flow channel connects the second inlet and the second outlet.

[0019] In some embodiments, the water dispenser further comprises a normal temperature water flow path, a third water inlet end of the normal temperature water flow path is connected to the water inlet device, and a third water outlet end of the normal temperature water flow path is connected to the water outlet device.

[0020] In some embodiments, the water outlet device includes a water outlet and a flow limiting valve, the flow limiting valve is connected in series with the water outlet, and the first water outlet end of the heating device and the second water outlet end of the refrigeration device are connected to the flow limiting valve.

[0021] In some embodiments, the water inlet device includes a filter, and the filter, the heating device and the refrigeration device are distributed along the front-to-back direction;

[0022] And / or, the water inlet device includes a filter, and the filter is arranged at the front end of the water dispenser;

[0023] And / or, the water outlet device comprises a water outlet nozzle, and the water outlet nozzle is arranged at the front end of the water dispenser;

[0024] And / or, a negative pressure valve and / or a capacitive sensor is provided between the heating device and the water inlet device;

[0025] And / or, a zero-pressure valve is provided between the refrigeration device and the water inlet device;

[0026] And / or, a sterilization module is provided between the refrigeration device and the water outlet device;

[0027] And / or, the water inlet device includes a pressure reducing valve, a water leakage protector, a filter, a water inlet valve and / or a flow meter.

[0028] In some embodiments, the water inlet device includes a filter, and the filter includes a first filter element and a second filter element. The first filter element and the second filter element are connected in series, and a faucet interface is provided between the first filter element and the second filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the flow path of a water dispenser according to an embodiment of the present invention.

[0030] Figure 2 It is a schematic diagram of the flow path of a water dispenser according to an embodiment of the present invention.

[0031] Reference numerals:

[0032] Water dispenser 100, water inlet device 10, heating device 20, refrigeration device 30, water outlet device 40, sterilization device 50, pressure reducing valve 11, water leakage protector 12, first filter element 131, second filter element 132, water inlet valve 14, flow meter 15, negative pressure valve 21, capacitance sensor 22, water pump 23, instant heater 24, hot water valve 25, zero pressure valve 31, cold tank 32, compressor 331, evaporator 332, capillary tube 333, condenser 334, cold water valve 34, water outlet nozzle 41, flow limiting valve 42, hot water drainage path 61, hot water drainage valve 62, cold water drainage path 63, cold water drainage valve 64, normal temperature water path 71, warm water valve 72, bypass path 81, one-way valve 82, faucet 200. DETAILED DESCRIPTION

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0034] like Figure 1 and Figure 2 The water dispenser 100 according to an embodiment of the present invention comprises: a water inlet device 10, a heating device 20, a refrigeration device 30 and a water outlet device 40. The water inlet device 10 is used to connect to a water source. The water inlet device 10 can be configured to treat the water and then send it to the refrigeration device 30 or the heating device 20, or it can be configured to divert the water to the refrigeration device 30 or the heating device 20 without treatment. Of course, the water inlet device 10 of the present invention can also be configured in other forms. The heating device 20 is used to heat the water sent by the water inlet device 10 to increase the water temperature or use high temperature to sterilize and disinfect the water. The refrigeration device 30 is used to cool the water so as to lower the water temperature for drinking. In addition, the water outlet device 40 is used to supply water to the user. A water cup or the like can be placed at a position corresponding to the water outlet device 40 to receive the water sent from the water outlet device 40.

[0035] The heating device 20 may have a first water inlet and a first water outlet. When the water flows from the first water inlet to the first water outlet, the heating device 20 heats the water. The first water inlet of the heating device 20 is connected to the water inlet device 10, and the first water outlet of the heating device 20 is connected to the water outlet device 40. The refrigeration device 30 may have a second water inlet and a second water outlet. When the water flows from the second water inlet to the second water outlet, the refrigeration device 30 refrigerates the water. The second water inlet of the refrigeration device 30 is connected to the water inlet device 10, and the second water outlet of the refrigeration device 30 is connected to the water outlet device 40.

[0036] According to the water dispenser 100 of the embodiment of the present invention, a heating device 20 and a refrigeration device 30 are provided, and the heating device 20 and the refrigeration device 30 are connected to a water outlet device 40. Cold water or hot water can be supplied through the water outlet device 40, and the water supply temperature can be rotated as needed, which is convenient for users.

[0037] During the use of the water dispenser 100, in some cases, it is necessary to discharge the water in the heating device 20, the water in the refrigeration device 30, the water between the heating device 20 and the water outlet device 40, and the water between the refrigeration device 30 and the water outlet device 40, etc. At this time, the water that needs to be discharged can be discharged in other ways instead of being discharged from the water outlet device 40. For example, during the cleaning process of the inside of the water dispenser 100, the waste water generated during the cleaning process is discharged; or, during the disinfection and sterilization process, the waste water after disinfection and sterilization is discharged; or, during the process of receiving hot water, the water that has not been heated to a predetermined temperature is discharged, etc. For this reason, a drainage device is also provided in the present invention, which is used to discharge the water in the heating device 20 and / or the refrigeration device 30 to meet different usage requirements. Of course, the drainage device is provided in the present invention to provide a better user experience, and it is not a limitation on the protection scope of the present invention.

[0038] like Figure 1 and Figure 2 In some embodiments, the water dispenser 100 further includes a drainage device, which is connected to the first water outlet of the heating device 20 and / or the second water outlet of the refrigeration device 30, and is selectively connected to drain water. The drainage device can be used to drain the internal flow channel of the water dispenser 100 to meet different usage requirements, such as draining stale water, unboiled hot water, etc., including but not limited to the following implementations.

[0039] Implementation Method 1

[0040] like Figure 1 and Figure 2 The drainage device includes a hot water discharge flow path and a hot water discharge valve. One end of the hot water discharge flow path is connected between the heating device 20 and the water outlet device 40, and the other end of the hot water discharge flow path is used for drainage. The hot water discharge valve controls the opening and closing of the hot water discharge flow path. The hot water discharge valve can have an open state and a closed state. In the open state, the hot water discharge flow path can be controlled to be opened, and the water of the heating module can be discharged through the hot water discharge flow path; in the closed state, the hot water discharge flow path can be controlled to be cut off, and the water of the heating device 20 cannot be discharged through the hot water discharge flow path.

[0041] In addition, the water dispenser 100 includes a hot water valve 25, which is connected in series between the heating device 20 and the water outlet device 40. When the hot water valve 25 is opened, the water in the heating device 20 can be sent to the water outlet device 40 after passing through the hot water valve 25 for user use; when the hot water valve 25 is closed, the water in the heating device 20 cannot be sent to the water outlet device 40 through the hot water discharge flow path.

[0042] In combination with the above, in one state, the hot water valve 25 is closed and the hot water discharge valve is opened, and the water after passing through the heating device 20 will be discharged through the hot water discharge path; in another state, the hot water valve 25 is opened and the hot water discharge valve is closed, and the water after passing through the heating device 20 will be sent out from the water outlet device 40 through the hot water valve 25.

[0043] The hot water valve 25 and the hot water discharge valve can be integrated into a first reversing valve, wherein the first reversing valve can have a first interface, a second interface and a third interface, wherein the first interface is connected to the heating device 20, the second interface is connected to the water outlet device 40, and the third interface is connected to the hot water discharge flow path, wherein the first interface selectively connects the second interface and the third interface, so that the flow direction of the water heated by the heating device 20 can be controlled by the first reversing valve. Of course, the hot water valve 25 and the hot water discharge valve can be switch valves or solenoid valves, etc.

[0044] As mentioned above, in the present invention, the flow direction of the fluid can be controlled by setting a hot water discharge flow path. With this structure, it is possible to achieve zero cold water in the water dispenser 100. The examples include but are not limited to the following.

[0045] In some examples, the water dispenser 100 further includes a first controller, the first controller is communicatively connected to the hot water discharge valve and the hot water valve 25, and the first controller is configured to control the hot water discharge valve to open for a first preset time and then open the hot water valve 25 during the water extraction process. During a period of time when the user starts to extract water, the first controller can be used to open the hot water discharge valve and close the hot water valve 25. After the first preset time, the cold water remaining in the heating device 20 and / or between the heating device 20 and the water outlet device 40 will be discharged; the first controller can be used to open the hot water valve 25 and close the hot water discharge valve, and the heated water in the heating device 20 will be sent to the water outlet device 40 through the hot water valve 25, thereby providing hot water for the user. The first preset time in the present invention can be set to 0.1s to 100s, and the first preset time can be set according to the heating power of the heating device 20, the water inlet temperature value of the water inlet device 10, etc.

[0046] In other examples, the water dispenser 100 also includes a second controller and a temperature monitoring device, the temperature monitoring device is used to monitor the outlet water temperature value of the water outlet device 40, the second controller is communicatively connected to the temperature monitoring device, the hot water discharge valve and the hot water valve 25, and the second controller is configured to control the hot water discharge valve to open when the outlet water temperature value is less than a preset temperature value during the water extraction process, and control the hot water valve 25 to open when the outlet water temperature value is greater than or equal to the preset temperature value. During the period of time when the user starts to take water, the cold water retained in the heating device 20 causes the outlet water temperature value of the water outlet device 40 to be lower than the preset temperature value. When the temperature monitoring component detects that the current outlet water temperature value is lower than the preset temperature value, the second controller opens the hot water discharge valve and closes the hot water valve 25, thereby discharging the cold water remaining in the heating device 20; after a predetermined period of time, the cold water retained in the heating device 20 and / or between the heating device 20 and the water outlet device 40 will be discharged, and the outlet water temperature value will increase to the preset temperature value. The first controller opens the hot water valve 25 and closes the hot water discharge valve, and the heated water in the heating device 20 will be sent to the water outlet device 40 through the hot water valve 25, thereby providing hot water for the user. The preset temperature value can be set to 20°C to 100°C, etc., and the preset temperature value can be set according to the heating power of the heating device 20, the outlet water temperature requirement, and the inlet water temperature value of the water inlet device 10. Preferably, the preset temperature value can be set to be greater than 95° C. or to be set to 100° C., so as to fully heat, disinfect and sterilize the water sent by the water inlet device 10 .

[0047] Through the above arrangement, the problem of low water temperature of the first cup of water during use of the water dispenser 100 can be avoided, so as to optimize the effect of the heating device 20, and the water taken by the user is fully heated, safe and hygienic. Of course, the above description is only some examples of the present invention, and does not limit the scope of protection of the present invention.

[0048] Implementation Method 2

[0049] like Figure 1 and Figure 2 The drainage device includes a cold water discharge flow path and a cold water discharge valve. One end of the cold water discharge flow path is connected between the refrigeration device 30 and the water outlet device 40. The other end of the cold water discharge flow path is used for drainage. The cold water discharge valve controls the opening and closing of the cold water discharge flow path. The cold water discharge valve can have an open state and a closed state. In the open state, the cold water discharge flow path can be controlled to be opened, and the water of the refrigeration module can be discharged through the cold water discharge flow path; in the closed state, the cold water discharge flow path can be controlled to be cut off, and the water of the refrigeration device 30 cannot be discharged through the cold water discharge flow path.

[0050] The water dispenser 100 further includes a cold water valve 34, which is connected in series between the refrigeration device 30 and the water outlet device 40. When the cold water valve 34 is opened, the water in the refrigeration device 30 can be sent to the water outlet device 40 after passing through the cold water valve 34 for use by the user; when the cold water valve 34 is closed, the water in the refrigeration device 30 cannot be sent to the water outlet device 40 through the hot water discharge flow path.

[0051] In combination with the above, in one state, the cold water valve 34 is closed and the cold water discharge valve is opened, and the water after passing through the refrigeration device 30 will be discharged through the cold water discharge flow path; in another state, the cold water valve 34 is opened and the cold water discharge valve is closed, and the water after passing through the refrigeration device 30 will be sent out from the water outlet device 40 through the cold water valve 34.

[0052] The cold water valve 34 and the cold water discharge valve can be integrated into a second reversing valve, wherein the second reversing valve can have a fourth interface, a fifth interface and a sixth interface, wherein the fourth interface is connected to the refrigeration device 30, the fifth interface is connected to the water outlet device 40, and the sixth interface is connected to the cold water discharge flow path, wherein the fourth interface selectively connects the fifth interface and the sixth interface, so that the flow direction of the water after refrigeration of the refrigeration device 30 can be controlled by the second reversing valve. Of course, the cold water valve 34 and the cold water discharge valve can be switch valves or solenoid valves, etc.

[0053] As mentioned above, the present invention can control the flow direction of the fluid by setting a cold water discharge flow path, and by using this structure, it is possible to discharge stale water from the cold water tank of the water dispenser 100. The examples include but are not limited to the following.

[0054] In some examples, the water dispenser 100 further includes a third controller, which is communicatively connected to the cold water discharge valve and the cold water valve 34 , and is configured to control the cold water discharge valve to open for a second preset time period before opening the cold water valve 34 during the water extraction process.

[0055] During a period of time when the user starts to take water, the third controller can be used to open the cold water discharge valve and close the cold water valve 34. After the second preset time, the cold water retained in the refrigeration device 30 and / or between the refrigeration device 30 and the water outlet device 40 will be discharged; the third controller can be used to open the cold water valve 34 and close the cold water discharge valve. The refrigerated water in the refrigeration device 30 will be sent to the water outlet device 40 through the cold water valve 34, thereby providing cold water to the user. The second preset time in the present invention can be set to 0.1s to 100s, and the second preset time can be set according to the refrigeration power of the refrigeration device 30, the water inlet temperature value of the water inlet device 10, etc.

[0056] In some other examples, the water dispenser 100 further includes a fourth controller, which is communicatively connected to the cold water discharge valve and the cold water valve 34, and is configured to control the cold water discharge valve to open when a predetermined condition is met. The aforementioned predetermined condition may include that the idle time of the water dispenser 100 reaches a third preset time length; or, the idle time of the refrigeration device 30 reaches a fourth preset time length, etc. During the use of the water dispenser 100, when there is an operation of receiving cold water for each predetermined time length, the cold water stays in the pipeline for a short time, so that the cold water in the refrigeration device 30 can be ensured to be relatively fresh, and the problem of bacterial growth can be reduced or avoided. However, when the cold water device or the water dispenser 100 is not used for a long time, the stale water in the cold water device stays for a long time, which is prone to bacterial growth and other problems. For this reason, in the present invention, after the water dispenser 100 or the refrigeration device 30 is idle for a period of time, the stale water in the water dispenser 100 is discharged, which can prevent the user from drinking stale water that has been in the refrigeration device 30 for too long, and can improve water safety.

[0057] In addition, the cold water discharge pipeline in the present invention can also be used for self-cleaning of the refrigeration device 30. For example, when the refrigeration device 30 is self-cleaned, the water cleaned by the refrigeration device 30 can be discharged from the cold water discharge pipeline.

[0058] The above description is only some embodiments of the present invention, and is not intended to limit the scope of protection of the present invention. For example, the above different embodiments may be combined to obtain new embodiments, which is also within the scope of protection of the present invention. In addition, the water dispenser 100 of the present invention may also have the following other technical features.

[0059] like Figure 1 and Figure 2 In some embodiments, the refrigeration device 30 includes: a cold tank 32 and a refrigeration module, the cold tank 32 has a first inlet and a first outlet, and the refrigeration module is configured to refrigerate the fluid in the refrigeration device 30 by using the phase change of the refrigerant. The water delivered by the water inlet device 10 can be passed into the cold tank 32 from the first inlet, and heat is exchanged with the refrigeration module in the cold tank 32, and is sent out from the first outlet after being refrigerated by the refrigeration module. Through the above arrangement, it is convenient to refrigerate the water flow and optimize the refrigeration effect and efficiency of the water flow.

[0060] Optionally, the refrigeration module includes an evaporator 332, and the evaporator 332 is arranged along the circumference of the cold tank 32. The heat exchange area between the evaporator 332 and the inner space of the cold tank 32 can be increased, thereby improving the refrigeration efficiency and effect of the refrigeration device 30. In addition, the evaporator 332 of the present invention can also be embedded in the inner wall of the cold tank 32, and the evaporator 332 can also be arranged inside the cold tank 32, etc.

[0061] In addition, if Figure 1 and Figure 2In some embodiments, the heating device 20 includes a water pump 23 and an instant heater 24, which are connected in series. The instant heater 24 can be used to heat water to improve the efficiency and effect of heating. In addition, the water tank-free design can avoid stale water in the heating device 20, which can improve water safety.

[0062] Optionally, the heating device 20 includes an instant heater 24, which includes a heating tube and a flow guide. The heating tube has a second inlet and a second outlet. The flow guide is disposed in the heating tube, and a flow channel extending in a circuitous or spiral manner is constructed in the heating tube, and the flow channel connects the second inlet and the second outlet. When the water flows through the instant heater 24, it will flow in a circuitous or spiral manner along the flow channel. During the flow of the water, the heating tube can heat the water. By extending the length of the flow channel, the heating time and contact area of ​​the heating tube on the water flow can be increased, and the heating efficiency and effect can be effectively improved, thereby achieving rapid heating of the water flow, so that the temperature of the heated hot water can be optimized even without a water tank.

[0063] like Figure 1 and Figure 2 In some embodiments, the water dispenser 100 further includes a normal temperature water flow path 71, a third water inlet end of the normal temperature water flow path 71 is connected to the water inlet device 10, and a third water outlet end of the normal temperature water flow path 71 is connected to the water outlet device 40. By providing the normal temperature water flow path 71, the water outlet device 40 can be used to output normal temperature water to meet the needs of users. In addition, the normal temperature water can also be mixed with cold water treated by the cold water device or hot water treated by the hot water device to adjust the water supplied by the water outlet device 40 to a suitable temperature, and can reduce energy consumption.

[0064] like Figure 1 and Figure 2 In some embodiments, the water outlet device 40 includes a water outlet 41 and a flow limiting valve 42, the flow limiting valve 42 is connected in series with the water outlet 41, and the first water outlet end of the heating device 20 and the second water outlet end of the refrigeration device 30 are connected to the flow limiting valve 42. The water outlet 41 can provide the required water, which is convenient for users to receive water, etc. In addition, the flow limiting valve 42 can make the water system have a certain water pressure to ensure the stability of the water outlet, and at the same time, it can facilitate the heating device 20 to heat the water to an appropriate temperature, and facilitate the refrigeration device 30 to cool the water to an appropriate temperature, thereby improving the stability of the water dispenser 100.

[0065] like Figure 1 and Figure 2In some embodiments, the water inlet device 10 includes a filter. The filter can be used to filter the incoming water. After passing through the filter, tap water can be sent to the heating device 20, the refrigeration device 30 or the normal temperature water flow path 71. In particular, for water that has passed through the refrigeration device 30 or the normal temperature water flow path 71, the filtered water can be directly drunk, thereby facilitating the use of the water dispenser 100. In addition, the filtered water can also avoid waterway blockage and extend the life of the water dispenser 100.

[0066] In addition, by distributing the filter, the heating device 20 and the refrigeration device 30 in the front-to-back direction, the size of the water dispenser 100 in the left-to-right direction can be reduced, and the water dispenser 100 can be set into a flat structure to improve the space utilization of the water dispenser 100, so that the water dispenser 100 can be placed in a smaller space under the kitchen, etc.

[0067] The water inlet device 10 includes a filter, which is arranged at the front end of the water dispenser 100. The filter is arranged at the front end of the water dispenser 100, which can facilitate the replacement and installation of the filter of the water dispenser 100, facilitate the use of the filter, and reduce the use cost.

[0068] In addition, the water outlet device 40 includes a water outlet 41, and the water outlet 41 is arranged at the front end of the water dispenser 100. It is convenient for users to receive water.

[0069] Alternatively, if Figure 1 and Figure 2 A negative pressure valve 21 is provided between the heating device 20 and the water inlet device 10. By providing the negative pressure valve 21, the flow path behind the negative pressure valve 21 can be configured to be in a negative pressure or zero pressure state. In combination with the water pump 23 in the heating device 20, the water flow can be pumped by the water pump 23 when water is needed, and the water flow will not flow out when water is not needed. In this way, the water tank can be eliminated, which can not only improve the space utilization rate, reduce the cost of the water dispenser 100, and simplify the structure of the water dispenser 100, but also prevent the water from staying in the water tank for too long to cause deterioration, etc., thereby optimizing food safety.

[0070] In addition, a capacitive sensor 22 is provided between the heating device 20 and the water inlet device 10. The capacitive sensor 22 can detect the water flow condition so as to control the operation of the water dispenser 100 according to the water flow condition, thereby simplifying the use of the water dispenser 100 and reducing the learning cost.

[0071] A hot water valve 25 is provided between the heating device 20 and the water outlet device 40. The hot water valve 25 can control the water flow. In combination with the above-mentioned embodiment, the hot water valve 25 and the hot water discharge unit can control the flow direction of the water flow, so as to increase the temperature of the first cup of water and optimize the user experience.

[0072] Optionally, a zero pressure valve 31 is provided between the refrigeration device 30 and the water inlet device 10. The zero pressure valve 31 can be used to conveniently reduce the water inlet pressure of the refrigeration device 30, thereby facilitating the use of the water dispenser 100.

[0073] Optionally, a cold water valve 34 is provided between the refrigeration device 30 and the water outlet device 40. The cold water valve 34 can control the water flow. In combination with the above-mentioned embodiment, the cold water valve 34 and the cold water discharge unit can control the flow direction of the water flow, so as to discharge the stale water and improve the water safety.

[0074] Among them, a sterilization module is provided between the refrigeration device 30 and the water outlet device 40, and the sterilization module can be used to sterilize and disinfect the cold water to avoid problems such as possible bacterial growth in the cold water and optimize water safety.

[0075] Optionally, the water inlet device 10 includes a pressure reducing valve 11, a water leakage protector 12, a filter, a water inlet valve 14 and / or a flow meter 15. The pressure reducing valve 11 can eliminate the influence of the water pressure of the tap water on the water dispenser 100, and the water tank of the water dispenser 100 can be eliminated to optimize water safety. The water leakage protector 12 can timely and effectively control the water dispenser 100 when the water dispenser 100 leaks, avoids water waste, and ensures the safe use of the water dispenser 100. The filter can filter the water flow. The water inlet valve 14 can control the start of the water flow, so that when maintenance, water leakage, etc. occur, the water inlet can be disconnected in time to maintain the stability and safety of the water dispenser 100 and facilitate use. The flow meter 15 can detect the flow of the water flow, so as to improve the stability of the water dispenser 100, and the flow meter 15 can be used to achieve the purpose of quantitative water supply.

[0076] like Figure 1 and Figure 2 In some embodiments, the water inlet device 10 includes a filter, and the filter includes a first filter element 131 and a second filter element 132. The first filter element 131 and the second filter element 132 are connected in series, and a faucet interface is provided between the first filter element 131 and the second filter element 132. Thus, drinking water and water for the faucet 200 can be supplied, and the water dispenser 100 can be suitable for use in the kitchen. For example, it can be placed on a countertop in the kitchen. When water is needed for washing vegetables, etc., the water flow can be controlled to be sent out from the faucet for easy use in the kitchen. When drinking water is needed, the water flow is controlled to be sent out from the water outlet device 40. In addition, the first filter element 131 can be a filtering structure such as a filter screen or a carbon rod, and the second filter element 132 can be set as an RO reverse osmosis filter element, so as to improve the safety and quality of the water sent from the water outlet device 40, while ensuring the water flow of the faucet.

[0077] like Figure 1 and Figure 2In some embodiments of the present invention, the water inlet device 10 may include a pressure reducing valve 11, a water leakage protector 12, a first filter element 131 (which may include PP cotton and / or activated carbon), a second filter element 132 (which may include a nano air filter element), a water inlet valve 14, and a flow meter 15, etc. The heating device 20, the refrigeration device 30, and the normal temperature water flow path 71 are connected in parallel to the flow meter 15.

[0078] The heating device 20 includes a water pump 23 and an instant heater 24 connected in series. A negative pressure valve 21 and a capacitive sensor 22 are connected in series between the heating device 20 and the flow meter 15 . A hot water valve 25 is connected in series between the heating device 20 and the water outlet device 40 .

[0079] The normal temperature water flow path 71 is connected in series with a warm water valve 72 . One end of the normal temperature water flow path 71 is connected to the flow meter 15 and the other end is connected to a sterilization module (eg, a UV module).

[0080] A zero pressure valve 31 is connected between the refrigeration device 30 and the flow meter 15, and a cold water valve 34 is connected in series between the refrigeration device 30 and the sterilization module. The refrigeration device 30 may include a cold tank 32 and a refrigeration module, and the refrigeration module may include a compressor 331, an evaporator 332, a capillary tube 333, and a condenser 334 that are sequentially connected in a loop, wherein the evaporator 332 is connected to the cold tank 32 for cooling the fluid in the cold tank 32, the inlet of the cold tank 32 may be connected to the upper part of the cold tank 32, and the outlet of the cold tank 32 may be connected to the lower part of the cold tank 32, and a drain pipe is also provided at the bottom of the cold tank 32, and the cold tank 32 may be emptied by using the drain pipe.

[0081] The water outlet device 40 may include a flow limiting valve 42 and a water outlet nozzle 41 , and the water outlet nozzle 41 may be set to have a flow rate of 1.2 L / min. The flow limiting valve 42 is connected to the sterilization module and the hot water valve 25 .

[0082] A bypass flow path 81 may be provided between the first water outlet of the heating device 20 and the second water inlet of the refrigeration device 30, for sending the hot water heated by the heating device 20 to the refrigeration device 30 through the bypass flow path 81, so as to realize the self-cleaning of the refrigeration device 30. The bypass flow path 81 may be provided with a one-way valve 82, a solenoid valve, etc., so as to control the water flow rate of the refrigeration device 30 after the heating device 20 is heated. One end of the hot water discharge flow path is connected between the heating device 20 and the hot water valve 25, one end of the cold water discharge flow path is connected between the refrigeration device 30 and the cold water valve 34, the cold water discharge flow path is provided with a cold water discharge valve, the hot water discharge flow path is provided with a hot water discharge valve, and the other end of the cold water discharge flow path is connected to the other end of the hot water discharge flow path.

[0083] Among them, the water supply routes for normal temperature water, hot water, cold water and kitchen water are as follows:

[0084] 1. Normal temperature water: tap water → pressure reducing valve 11 → water leakage protector 12 (e.g. mechanical leakage protector) → first filter element 131 → second filter element 132 → water inlet valve 14 → flow meter 15 → warm water valve 72 → sterilization module → flow limiting valve 42 → water outlet nozzle 41;

[0085] 2. Hot water: tap water → pressure reducing valve 11 → water leakage protector 12 → first filter element 131 → second filter element 132 → water inlet valve 14 → flow meter 15 → negative pressure valve 21 → capacitance sensor 22 → water pump 23 → instant heater 24 → hot water valve 25 → flow limiting valve 42 → water outlet 41;

[0086] 3. Cold water: tap water → pressure reducing valve 11 → water leakage protector 12 → first filter element 131 → second filter element 132 → water inlet valve 14 → flow meter 15 → zero pressure valve 31 → cold tank 32 → cold water valve 34 → sterilization module → flow limiting valve 42 → water outlet 41

[0087] 4. Domestic water: tap water → pressure reducing valve 11 → water leakage protector 12 → first filter element 131 → faucet.

[0088] In addition, the water dispenser 100 of the present invention can also perform hot water self-cleaning and self-cleaning flow path:

[0089] 1. Cleaning of hot water waterway: tap water → pressure reducing valve 11 → water leakage protector 12 → first filter element 131 → second filter element 132 → water inlet valve 14 → flow meter 15 → negative pressure valve 21 → capacitance sensor 22 → water pump 23 → instant heating system → hot water discharge valve (e.g. drain valve) → drainage

[0090] 2. Cleaning of cold water circuit: tap water → pressure reducing valve 11 → water leakage protector 12 → first filter element 131 → second filter element 132 → water inlet valve 14 → flow meter 15 → negative pressure valve 21 → capacitance sensor 22 → water pump 23 → instant heating system → one-way valve 82 → cold tank 32 → cold water discharge valve (e.g. drain valve) → drainage.

[0091] The instant heating conventional refrigeration water system of the present invention has an instant heating water circuit + a conventional refrigeration water circuit; a stale water discharge branch is provided so that hot water can be heated and drunk immediately, and a drainage function is designed so that stale water in the pipeline can be discharged before drinking, thereby reducing water odor and making drinking safer.

[0092] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0093] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0094] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0095] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0097] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A water dispenser (100), characterized in that: include: Water inlet device (10); A heating device (20), wherein a first water inlet end of the heating device (20) is connected to the water inlet device (10); A refrigeration device (30), wherein a second water inlet end of the refrigeration device (30) is connected to the water inlet device (10); A water outlet device (40), wherein the water outlet device (40) is connected to a first water outlet end of the heating device (20) and a second water outlet end of the refrigeration device (30).

2. The water dispenser (100) according to claim 1, characterized in that: The water dispenser (100) further comprises a drainage device, wherein the drainage device is connected to the first water outlet end of the heating device (20) and / or the second water outlet end of the refrigeration device (30), and the drainage device is selectively connected to drain water.

3. The water dispenser (100) according to claim 2, characterized in that: The drainage device comprises a hot water discharge flow path and a hot water discharge valve, one end of the hot water discharge flow path is connected between the heating device (20) and the water outlet device (40), and the other end is used for drainage, and the hot water discharge valve controls the opening and closing of the hot water discharge flow path.

4. The water dispenser (100) according to claim 3, characterized in that: The water dispenser (100) further comprises a hot water valve (25), wherein the hot water valve (25) is connected in series between the heating device (20) and the water outlet device (40); The water dispenser (100) further comprises a first controller, the first controller being communicatively connected to the hot water discharge valve and the hot water valve (25), the first controller being configured to control the hot water discharge valve to open for a first preset time period before opening the hot water valve (25) during the water extraction process; Alternatively, the water dispenser (100) further comprises a second controller and a temperature monitoring component, wherein the temperature monitoring component is used to monitor the outlet water temperature value of the water outlet device (40), the second controller is communicatively connected to the temperature monitoring component, the hot water discharge valve and the hot water valve (25), and the second controller is configured to control the hot water discharge valve to open when the outlet water temperature value is less than a preset temperature value during the water extraction process, and to control the hot water valve (25) to open when the outlet water temperature value is greater than or equal to the preset temperature value.

5. The water dispenser (100) according to claim 2, characterized in that: The drainage device comprises a cold water discharge flow path and a cold water discharge valve, one end of the cold water discharge flow path is connected between the refrigeration device (30) and the water outlet device (40), and the other end is used for drainage, and the cold water discharge valve controls the opening and closing of the cold water discharge flow path.

6. The water dispenser (100) according to claim 5, characterized in that: The water dispenser (100) further comprises a cold water valve (34), wherein the cold water valve (34) is connected in series between the refrigeration device (30) and the water outlet device (40). The water dispenser (100) comprises a third controller, the third controller is communicatively connected to the cold water discharge valve and the cold water valve (34), and the third controller is configured to control the cold water discharge valve to open for a second preset time period before opening the cold water valve (34) during the water extraction process; Alternatively, the water dispenser (100) includes a fourth controller, the fourth controller is communicatively connected to the cold water discharge valve and the cold water valve (34), and the fourth controller is configured to control the cold water discharge valve to open when a predetermined condition is met, the predetermined condition including that the idle time of the water dispenser (100) reaches a third preset time length and / or the idle time of the refrigeration device (30) reaches a fourth preset time length.

7. The water dispenser (100) according to claim 1, characterized in that: The refrigeration device (30) comprises: a cold tank (32), the cold tank (32) having a first inlet and a first outlet; A refrigeration module is configured to utilize a phase change of a refrigerant to refrigerate the fluid in the cold tank (32).

8. The water dispenser (100) according to claim 7, characterized in that: The refrigeration module comprises an evaporator (332), and the evaporator (332) is arranged along the circumference of the cold tank (32).

9. The water dispenser (100) according to claim 1, characterized in that: The heating device (20) comprises a water pump (23) and an instant heater (24), wherein the water pump (23) and the instant heater (24) are connected in series; And / or, the heating device (20) includes an instant heater (24), the instant heater (24) includes a heating tube and a flow guide, the heating tube has a second inlet and a second outlet, the flow guide is arranged in the heating tube, and a circuitous or spirally extending flow channel is constructed in the heating tube, and the flow channel connects the second inlet and the second outlet.

10. The water dispenser (100) according to claim 1, characterized in that: The water dispenser (100) further comprises a normal temperature water flow path (71), a third water inlet end of the normal temperature water flow path being connected to the water inlet device (10), and a third water outlet end of the normal temperature water flow path (71) being connected to the water outlet device (40).

11. The water dispenser (100) according to claim 1, characterized in that: The water outlet device (40) comprises a water outlet nozzle (41) and a flow limiting valve (42), wherein the flow limiting valve (42) is connected in series with the water outlet nozzle (41), and the first water outlet end of the heating device (20) and the second water outlet end of the refrigeration device (30) are connected to the flow limiting valve (42).

12. The water dispenser (100) according to claim 1, characterized in that: The water inlet device (10) comprises a filter, the filter comprising a first filter element (131) and a second filter element (132), the first filter element (131) and the second filter element (132) are connected in series, and a faucet interface is provided between the first filter element (131) and the second filter element (132).

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