Purified drinking system

Abstract

The utility model discloses a purified drinking system which comprises a water purifier, a water-tank-free pipeline machine and a flow divider, and the water purifier is provided with a raw water inlet and a pure water outlet; the water-tank-free pipeline machine comprises a shell, a hot water way, a high-temperature backflow water way and an instant heating device, the shell is provided with a water inlet and a water outlet nozzle, and the hot water way is arranged in the shell and located between the water inlet and the water outlet nozzle and comprises a first water inlet electromagnetic valve and a pump assembly which are sequentially arranged in the flowing direction of water flow; the water inlet end of the high-temperature backflow water channel communicates with the water outlet end of the instant heating device, the water outlet end of the high-temperature backflow water channel communicates with the hot water channel and is located on the upstream of the pump assembly, and hot water of the instant heating device selectively flows to the high-temperature backflow water channel or the water outlet nozzle. The flow divider comprises a water inlet cavity communicated with a water source and the raw water inlet, a water outlet cavity communicated with the pure water outlet and the water inlet, and a backflow cavity communicated with the water outlet cavity and the water inlet cavity. According to the water purifier, it can be ensured that the outlet water temperature meets the requirement of a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field, especially a kind of pure drinking system. BACKGROUND

[0002] Pure drinking system is mainly applied to family kitchen, tea room of office and the like, to provide safe, healthy, convenient drinking water and domestic water for people.

[0003] The heating efficiency of the pure drinking system on the market currently can fluctuate to some extent, and it is difficult to ensure that the outlet water temperature meets the user's demand. UTILITY MODEL CONTENT

[0004] The embodiment of the present application provides a kind of pure drinking system, can ensure that outlet water temperature meets the user's demand.

[0005] The embodiment of the present application provides a kind of pure drinking system, including water purifier, water tankless pipeline machine and flow divider, water purifier has raw water inlet and pure water outlet;Water tankless pipeline machine includes shell, hot water circuit, high-temperature backflow water circuit and instant heating device, the shell has water inlet and outlet nozzle, the hot water circuit is arranged in the shell and is located between the water inlet and the outlet nozzle, including the first water inlet solenoid valve and pump assembly sequentially arranged along the flow direction of water flow, the water inlet end of the high-temperature backflow water circuit is communicated with the water outlet end of the instant heating device, the water outlet end is communicated with the hot water circuit and is located in the upstream of the pump assembly, the hot water of the instant heating device can be selectively flowed to the high-temperature backflow water circuit or the outlet nozzle;Flow divider includes the water inlet cavity that is communicated with water source and the raw water inlet, the water outlet cavity that is communicated with the pure water outlet and the water inlet, the backflow cavity that is communicated with the water outlet cavity and the water inlet cavity.

[0006] In some embodiments, the high-temperature backflow water circuit further includes:

[0007] Three-way valve, the water inlet end of the three-way valve is communicated with the water outlet end of the instant heating device, the first water outlet end of the three-way valve is communicated with the outlet nozzle, the second water outlet end of the three-way valve is communicated with the hot water circuit and is located in the upstream of the pump assembly.

[0008] In some embodiments, the high-temperature backflow water circuit further includes:

[0009] First solenoid valve, selectively communicated the water outlet end of the instant heating device and the water inlet end of the high-temperature backflow water circuit;

[0010] Second solenoid valve, selectively communicated the water outlet end of the instant heating device and the outlet nozzle.

[0011] In some embodiments, the pump assembly includes water pump or flow control pump, when the pump assembly includes the water pump, the hot water circuit further includes:

[0012] A negative pressure valve is arranged between the first water inlet electromagnetic valve and the water pump.

[0013] In some embodiments, the tankless line machine further comprises:

[0014] A normal temperature water path is provided with a second water inlet electromagnetic valve, and a water inlet end of the normal temperature water path is connected to the hot water path downstream of the first water inlet electromagnetic valve or connected to the water inlet, and a water outlet end of the normal temperature water path is connected to the hot water path downstream of the pump assembly.

[0015] In some embodiments, the hot water path further comprises:

[0016] A water amount sensor is arranged between the water inlet and the first water inlet electromagnetic valve, or arranged between the first water inlet electromagnetic valve and the pump assembly, or arranged between the pump assembly and the connection between the water outlet end of the normal temperature water path and the hot water path.

[0017] In some embodiments, the hot water path further comprises:

[0018] A flow meter is arranged in the hot water path downstream of the connection between the water outlet end of the normal temperature water path and the hot water path.

[0019] In some embodiments, the tankless line machine further comprises:

[0020] A sterilization device is arranged between the instant heating device and the water outlet nozzle, or arranged between the instant heating device and the connection between the water outlet end of the normal temperature water path and the hot water path.

[0021] In some embodiments, the tankless line machine further comprises:

[0022] A check valve is arranged at the water outlet nozzle to prevent water dripping from the water outlet nozzle.

[0023] In some embodiments, the tankless line machine further comprises:

[0024] An irradiation lamp is arranged on the housing and directed towards a water containing area of the tankless line machine, so that light emitted by the irradiation lamp irradiates the water containing area, which is located below the water outlet nozzle.

[0025] In some embodiments, the tankless line machine further comprises:

[0026] A display device is arranged on the shell to display working information of the water tank-free pipeline machine.

[0027] In some embodiments, further comprising:

[0028] A faucet has a pure water inlet, which is communicated with the pure water outlet.

[0029] In some embodiments, further comprising:

[0030] A faucet has a pure water inlet;

[0031] The water outlet cavity comprises a lower water outlet cavity communicated with the water inlet cavity and the pure water outlet, and an upper water outlet cavity communicated with the lower water outlet cavity and the water inlet, wherein the reflux cavity is communicated with the lower water outlet cavity and the water inlet cavity.

[0032] The water tank-free pipeline machine is supplied with water by the water purifier through the flow divider, and the flow divider is provided with a reflux cavity. Thus, when the water purifier delivers a large flow of water, the water in the water outlet cavity can be refluxed to the water inlet cavity through the reflux cavity, and then can flow to the water purifier again, thereby reducing the pressure-bearing burden of the flow divider and the water tank-free pipeline machine, and enhancing the stability of the entire water purification system. The water inlet end of the high-temperature reflux water path is communicated with the water outlet end of the instant heating device, and the water outlet end is communicated with the hot water path and is located upstream of the pump assembly. The hot water of the instant heating device can be selectively flowed to the high-temperature reflux water path or the water outlet nozzle. A temperature sensor can be arranged downstream of the instant heating device to monitor the water temperature flowed from the instant heating device in real time. Once it is found that the water temperature fails to meet the temperature requirement set by the user, the hot water with low temperature will be guided to the front of the pump assembly through the high-temperature reflux water path, and will flow through the instant heating device again for secondary heating until the water temperature reaches the expected value of the user. In addition, since the high-temperature water is refluxed to the front side of the pump assembly, the high-temperature water can effectively reheat and sterilize the pump assembly, thereby further improving the sanitary performance of the entire water path system. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to the structures shown in these drawings without creating any creative labor.

[0034] Figure 1 A water path schematic diagram of a water purification system provided by the embodiments of the present application;

[0035] Figure 2 Another water path schematic diagram of a water purification system provided by the embodiments of the present application;

[0036] Figure 3 A structure diagram of a water tank-free pipeline machine according to an embodiment of the present application;

[0037] Figure 4 A structure diagram of a water tank-free pipeline machine according to an embodiment of the present application (part of the shell is omitted);

[0038] Figure 5 A structure diagram of a water tank-free pipeline machine according to an embodiment of the present application (the shell is omitted);

[0039] Figure 6 A front view of a water tank-free pipeline machine according to an embodiment of the present application;

[0040] Figure 7 A structure diagram of a water tank-free pipeline machine according to an embodiment of the present application; Figure 6 A cross-sectional view of A-A in FIG. 8;

[0041] Figure 8 A water path diagram of a water tank-free pipeline machine according to an embodiment of the present application;

[0042] Figure 9 A water path diagram of a water tank-free pipeline machine according to another embodiment of the present application;

[0043] Figure 10 A water path diagram of a water path system according to an embodiment of the present application;

[0044] Figure 11 A structure diagram of a flow divider according to an embodiment of the present application;

[0045] Figure 12 A structure diagram of a flow divider according to an embodiment of the present application from another perspective;

[0046] Figure 13 A cross-sectional view of a flow divider according to an embodiment of the present application.

[0047] Explanation of reference numerals:

[0048] 1, diverter; 11, valve housing; 17, diverter assembly; 116, valve body upper housing; 117, valve body lower housing; 1141, raw water inlet; 1142, raw water outlet; 1143, pure water inlet; 1144, first water supply port; 1145, second water supply port; 1146, backflow cavity; 1147, water inlet cavity; 1148, water outlet cavity; 11481, lower water outlet cavity; 11482, upper water outlet cavity; 1171, backflow guide portion; 1172, guide flow channel; 2, tankless line machine; 21, housing; 211, water inlet; 212, water outlet nozzle; 213, electric control installation area; 214, high voltage installation area; 2141, waterway installation area; 2142, instant heating installation area; 215, installation cavity; 216, outer shell; 217, mounting rack; 22, waterway system; 221, hot water waterway; 2211, first water inlet electromagnetic valve; 2212, pump assembly; 2213, flow control pump; 2214, water pump; 2215, water quantity sensor; 2216, flow meter; 2217, negative pressure valve; 2218, check valve; 222, normal temperature waterway; 2221, second water inlet electromagnetic valve; 223, high temperature backflow waterway; 2231, three-way valve; 2232, first electromagnetic valve; 2233, second electromagnetic valve; 23, sterilization device; 24, electric control device; 25, instant heating device; 27, display device; 28, irradiation lamp; 29, water outlet pipeline; 3, water purifier; 31, raw water inlet; 32, pure water outlet; 4, faucet; 41, pure water inlet.

[0049] The object, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0050] In order to make the object, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail with reference to the drawings.

[0051] The description below refers to the accompanying drawings, in which the same numbers in different drawings represent the same or similar elements unless otherwise represented. The embodiments described in the following example embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of apparatuses and methods consistent with some aspects of the present application as detailed in the appended claims.

[0052] In the description of the utility model, it is understood that the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, in the description of the utility model, unless otherwise specified, "multiple" refers to two or more than two. "And / or", the association relationship of the associated object, indicates that there can be three kinds of relations, for example, A and / or B, can indicate: the existence of A alone, the existence of A and B simultaneously, and the existence of B alone. The character " / " generally indicates that the associated objects before and after are a kind of "or" relationship.

[0053] 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 the utility model belongs. The terms used in the specification of the present description are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0054] The pure drinking system is mainly applied to household kitchen, tea room in office and the like, and provides safe, healthy and convenient drinking water and domestic water for people.

[0055] The current market pure drinking system is generally the pure water produced by water purifier mainly for pipeline machine, but for instant heating pipeline machine, due to the limitation of heating power of instant heating device, the water quantity that can be heated is limited. In comparison, the water output of water purifier is larger, far exceeding the flow upper limit of the pipeline machine instant heating device. Therefore, in order to cooperate with the large flow water purifier, the pipeline machine usually needs to set a water tank as a buffer water storage device, and then the water is pumped from the water tank to the heating system for heating by the water pump, the water tank is easy to breed bacteria, and the volume of the water tank is large, which becomes the key factor restricting the volume reduction of the whole machine. Moreover, the heating efficiency of the instant heating device will have certain fluctuations, and it is difficult to ensure that the water temperature reaches the user's demand.

[0056] Please refer to Figure 1The embodiment of the present application provides a pure drinking system, which comprises a water purifier 3, a water tank-free pipeline machine 2, a faucet 4 and a flow divider 1. The water purifier 3 has a raw water inlet 31 and a pure water outlet 32. The water tank-free pipeline machine 2 has a water inlet 211. The faucet 4 has a pure water inlet 41. Water from a water source enters the water purifier 3 through the flow divider 1 and the raw water inlet 31, is purified in the water purifier 3, then enters the flow divider 1 through the pure water outlet 32, and can be selectively introduced into the water tank-free pipeline machine 2 and / or the faucet 4 through the flow divider 1. In the present application, the flow divider 1 enables multiple water use points to share one water purifier 3, thereby saving kitchen or home space. Compared with installing a water purification device for each water use point, the present application is more economical, reduces installation cost and reduces long-term maintenance and replacement cost. Users can conveniently obtain purified water at different water use points, and the convenience and flexibility of water use are improved.

[0057] The existing pipeline machine needs to be provided with a water tank, and the volume is relatively large. Therefore, the present application provides a water tank-free pipeline machine 2 which is small in volume and compact in structure. Next, the water tank-free pipeline machine 2 will be described in detail.

[0058] Please refer to Figures 3 to 6 The water tank-free pipeline machine 2 comprises a shell 21, a waterway system 22, an instant heating device 25 and a water outlet pipe 29. The shell 21 has a water inlet 211 and a water outlet 212. The shell 21 can comprise a first shell and a second shell which can be detachably connected through clamping, screw connection or the like. The first shell and the second shell form an installation cavity 215. The waterway system 22, the instant heating device 25 and the water outlet pipe 29 are all installed in the installation cavity 215. The waterway system 22 supplies water to the instant heating device 25. The water tank-free pipeline machine 2 further comprises an electric control device 24 which is used to control the working conditions of the waterway system 22 and the instant heating device 25. Through preset programs and algorithms, the electric control device 24 can accurately adjust the water flow rate, water temperature and other parameters to meet different needs of users.

[0059] It should be noted that the water inlet 211 and the water outlet 212 can be in the form of a pipe formed integrally on the shell 21, or in the form of a separate component such as a hose or a connector. The first shell and / or the second shell are formed with a clearance, and the water inlet 211 and / or the water outlet 212 component can at least partially extend into the installation cavity 215 through the clearance and be connected to other components in the installation cavity 215.

[0060] In order to optimize the heat management of the tankless pipeline machine 2 and avoid unnecessary heat transfer superposition between the electric control device 24 and the instant heating device 25, in some embodiments, the installation cavity 215 comprises a strong current installation area 214 and a weak current installation area, and the strong current installation area 214 is arranged apart from the weak current installation area in the length direction of the tankless pipeline machine 2, wherein the electric control device 24 is installed in the strong current installation area 214, and the instant heating device 25 is installed in the weak current installation area. It can be understood that the instant heating device 25 needs to be powered by strong current, and the strong current has the characteristics of high voltage and large current; the electric control device 24 needs to be powered by weak current, and the weak current has the characteristics of low voltage and small current, therefore, the electric control device 24 and the instant heating device 25 are arranged apart in the length direction of the tankless pipeline machine 2, so that the electromagnetic interference can be reduced to ensure the stability and reliability of the power-on signal of the electric control device 24.

[0061] Further, please refer to Figure 4 and Figure 5 , the strong current installation area 214 comprises a waterway installation area 2141 and an instant heating installation area 2142 arranged in sequence in the length direction, and the electric control installation area 213 and the instant heating installation area 2142 are respectively located on both sides of the waterway installation area 2141, so that unnecessary heat transfer superposition between the electric control device 24 and the instant heating device 25 can be avoided. It can be understood that the instant heating device 25 needs to be powered by strong current, and the strong current has the characteristics of high voltage and large current; the electric control device 24 needs to be powered by weak current, and the weak current has the characteristics of low voltage and small current, therefore, the electric control device 24 and the instant heating device 25 are arranged apart in the length direction of the tankless pipeline machine 2, so that the electromagnetic interference can be reduced to ensure the stability and reliability of the power-on signal of the electric control device 24.

[0062] Please refer to Figure 1 and Figure 2In some embodiments, the waterway system 22 comprises a hot water waterway 221 and a high-temperature backflow waterway 223, the water inlet end of the high-temperature backflow waterway 223 is connected to the water outlet end of the instant heating device 25, and the water outlet end is connected to the hot water waterway 221 and is located upstream of the pump assembly 2212. The hot water from the instant heating device 25 can selectively flow to the high-temperature backflow waterway 223 or the water outlet nozzle 212. Specifically, a temperature sensor can be arranged downstream of the instant heating device 25 to monitor the water temperature flowing out of the instant heating device 25 in real time. Once it is found that the water temperature fails to meet the temperature requirement set by the user, the water with low temperature is guided to the front of the pump assembly 2212 through the high-temperature backflow waterway 223 and flows through the instant heating device 25 again for secondary heating until the water temperature reaches the expected value of the user. In addition, since the high-temperature water is backflowed to the front side of the pump assembly 2212, the high-temperature water can effectively reheat and sterilize the pump assembly 2212, thereby further improving the sanitary performance of the entire waterway system 22.

[0063] Referring to Figure 1 In some embodiments, the high-temperature backflow waterway 223 comprises a three-way valve 2231, the water inlet end of the three-way valve 2231 is connected to the water outlet end of the instant heating device 25, the first water outlet end of the three-way valve 2231 is connected to the water outlet nozzle 212, and the second water outlet end of the three-way valve 2231 is connected to the hot water waterway 221 and is located upstream of the pump assembly 2212. In this way, the flow direction of the hot water flowing out of the instant heating device 25 can be controlled by the three-way valve 2231. When the water temperature meets the user's demand, the hot water flows to the water outlet nozzle 212, and when the water temperature fails to meet the preset value, the hot water flows back to the upstream of the pump assembly 2212 for secondary heating. In this example, only one component is used, the structure is compact, and the installation is simple.

[0064] Referring to Figure 2 In some embodiments, the high-temperature backflow waterway 223 further comprises a first electromagnetic valve 2232 and a second electromagnetic valve 2233. The first electromagnetic valve 2232 selectively connects the water outlet end of the instant heating device 25 and the water inlet end of the high-temperature backflow waterway 223. The second electromagnetic valve 2233 selectively connects the water outlet end of the instant heating device 25 and the water outlet nozzle 212. In this example, the flow direction of the hot water flowing out of the instant heating device 25 is controlled by the cooperation of the two electromagnetic valves.

[0065] Referring to Figure 1 and Figure 2In some embodiments, the waterway system 22 further comprises a normal-temperature waterway 222, which is provided with a second water inlet electromagnetic valve 2221, and the water inlet end of the normal-temperature waterway 222 is communicated with the hot waterway 221 and located at a position downstream of the first water inlet electromagnetic valve 2211, or the water inlet end of the normal-temperature waterway 222 is communicated with the water inlet 211, and the water outlet end of the normal-temperature waterway 222 is communicated with the hot waterway 221 and located at a position downstream of the pump assembly 2212. The hot waterway 221 is used to provide hot water, and the normal-temperature waterway 222 is used to provide normal-temperature water. Since the hot waterway 221 is provided with the pump assembly 2212, the water flow of the hot waterway 221 is relatively small, but it is sufficient to meet the immediate demand of daily hot water. The normal-temperature waterway 222 skillfully bypasses the pump assembly 2212, and the opening and closing of the waterway is directly controlled by the second water inlet electromagnetic valve 2221, so that the water flow can be relatively increased, and the use scene of large water flow can be fully met. In addition, even when the instant heating device 25 does not start heating hot water, normal-temperature water will still continuously flow through the instant heating device 25, not only maintaining the dynamic circulation of the waterway of the instant heating device 25, but also significantly reducing the risk of bacterial breeding, and ensuring the health and safety of water use.

[0066] In order to facilitate the installation of the hot waterway 221 in the shell 21, the first water inlet electromagnetic valve 2211 and the pump assembly 2212 are arranged side by side in the length direction in the waterway installation area 2141; the water inlet end of the outflow pipe 29 is communicated with the water outlet end of the instant heating device 25, and the instant heating device 25 and the outflow pipe 29 are arranged side by side in the thickness direction of the shell 21 in the instant heating installation area 2142. Further, the normal-temperature waterway 222 can also be installed in the waterway installation area 2141, and the second water inlet electromagnetic valve 2221 can be arranged side by side with the first water inlet electromagnetic valve 2211 in the length direction in the waterway installation area 2141, or can be arranged side by side in the height direction in the waterway installation area 2141, which is not limited in the present application.

[0067] The tankless pipeline machine 2 based on the embodiments of the present application does not occupy too much space because it is designed without a water tank, and the overall volume of the pipeline machine is smaller, which can be installed in a smaller area and is more flexible to install. Since the tankless pipeline machine 2 does not need to store water, it is not necessary to maintain the water temperature of the water tank, which reduces energy consumption and avoids the problems of traditional water tanks, such as easy to hide dirt, serious odor, bacterial breeding and the like, thereby ensuring the purity of the water outlet and improving the quality of drinking water.

[0068] Since the water tankless design, the hot water waterway 221 needs to be provided with a first water inlet electromagnetic valve 2211 and a pump assembly 2212. The first water inlet electromagnetic valve 2211 is responsible for controlling the on-off of water flow, and the pump assembly 2212 is responsible for providing power for water flow. It can be understood that the first water inlet electromagnetic valve 2211 and the pump assembly 2212 have a large volume. The first water inlet electromagnetic valve 2211 and the pump assembly 2212 are arranged side by side in the length direction of the shell 21. The volume of the water outlet pipeline 29 is small. The instant heating device 25 and the water outlet pipeline 29 are arranged side by side in the thickness direction of the shell 21. The first water inlet electromagnetic valve 2211 and the pump assembly 2212 are arranged in the waterway mounting area 2141. The instant heating device 25 and the water outlet pipeline 29 are arranged in the instant heating mounting area 2142. The installation layout provided by the application can achieve the following effects. First, the waterway system 22 and the instant heating device 25 are arranged separately, avoiding the influence of the heat generated by the operation of the instant heating device 25 on the equipment operation of the waterway system 22. Second, the structure inside the entire shell 21 is compact, saving space and being conducive to the miniaturization and light weight of the equipment. For example, if the water outlet pipeline 29 and the instant heating device 25 are arranged side by side in the length direction of the shell 21, the length of the shell 21 will be longer. Third, the equipment maintenance or repair of the waterway system 22 can be considered.

[0069] It should be noted that the first shell and the second shell are fixedly connected in the horizontal direction. After the first shell is disassembled, the equipment of the waterway system 22 and the instant heating device 25 are arranged side by side in the second shell. In this way, the internal equipment can be seen at a glance, which is convenient for maintenance or replacement. When installed and used, the second shell is hung on the wall surface. In this way, the water tankless pipeline machine 2 does not need to be taken down as a whole, and the parts in the mounting cavity 215 can be directly maintained or repaired after the first shell is disassembled. Further, based on the installation environment, the back of the water tankless pipeline machine 2 is attached to the wall surface. The second shell can be in the form of a cover shell with an open front side, and the first shell forms a cover structure and covers the opening.

[0070] Please refer to Figures 8 to 10In some embodiments, the pump assembly 2212 can include a flow control pump 2213 and a water pump 2214. When the pump assembly 2212 includes the water pump 2214, the waterway system 22 further includes a negative pressure valve 2217 disposed in the waterway installation area 2141. The negative pressure valve 2217 is connected between the first water inlet electromagnetic valve 2211 and the water pump 2214. When the water flow in the waterway system 22 is cut off or the water pump 2214 stops working, the negative pressure valve 2217 can prevent negative pressure (i.e. pressure lower than atmospheric pressure) from occurring in the pipeline. Negative pressure can cause the pipeline to rupture, water hammer (pressure impact caused by sudden stop or change of direction of water flow) or other damage. The negative pressure valve 2217 can maintain positive pressure in the pipeline or at least prevent the occurrence of negative pressure, thereby protecting the water pump 2214 and other components in the waterway system 22 from damage. The negative pressure valve 2217 can prevent the occurrence of negative pressure in various ways, such as air supplementing method, pre-pressurization method, etc. The specific structure and principle of the negative pressure valve 2217 are well known in the related art, and will not be described here.

[0071] Of course, when the pump assembly 2212 is a flow control pump 2213, the negative pressure valve 2217 can not be provided. The flow control pump 2213 is a pump that can maintain constant pressure when the flow changes. The flow control pump 2213 can stabilize the fluid state in the delivery pipeline by precisely controlling the flow and pressure of the water flow. In some cases, when the water flow in the delivery pipeline is cut off, the flow control pump 2213 can adjust its output flow to maintain the fluid pressure in the pipeline within a stable range, thereby avoiding the occurrence of negative pressure.

[0072] Referring to Figures 8 to 10 In some embodiments, the waterway system 22 further includes a flow meter 2216 installed in the waterway installation area 2141. The flow meter 2216 can be disposed between the water inlet 211 and the first water inlet electromagnetic valve 2211, or between the first water inlet electromagnetic valve 2211 and the water pump 2214, or between the water pump 2214 and the instant heating device 25. The flow meter 2216 is used to measure the flow of water to provide accurate water usage data to the user. By statistically analyzing the data collected by the flow meter 2216, the user can understand the water usage pattern of the tankless pipeline machine 2.

[0073] Referring to Figures 8 to 10In some embodiments, the waterway system 22 further comprises a water quantity sensor 2215, which is installed in the waterway installation area 2141, and can be arranged between the water inlet 211 and the first water inlet electromagnetic valve 2211, or between the first water inlet electromagnetic valve 2211 and the water pump 2214, or between the water pump 2214 and the instant heating device 25. The instant heating device 25 is configured to reduce power or stop working when the value detected by the water quantity sensor 2215 is lower than a preset value. The water quantity sensor 2215 can monitor the water quantity in the waterway system 22 in real time, and stop or reduce the power of the instant heating device 25 in time when the water quantity is insufficient, so as to prevent dry burning and protect the safety of the equipment. By intelligently controlling the power of the instant heating device 25, the water quantity sensor 2215 can achieve the effect of energy saving and power saving, and reduce the electricity cost of the user.

[0074] Referring to Figures 8 to 10 In some embodiments, in the flow direction of the water flow, the first water inlet electromagnetic valve 2211, the negative pressure valve 2217, the water quantity sensor 2215, the flow meter 2216 and the water pump 2214 are sequentially communicated; wherein the first water inlet electromagnetic valve 2211 and the negative pressure valve 2217 are arranged at intervals in the height direction of the shell 21, the water quantity sensor 2215, the flow meter 2216 and the water pump 2214 are arranged at intervals in the height direction of the shell 21 and are located between the whole formed by the first water inlet electromagnetic valve 2211 and the negative pressure valve 2217 and the whole formed by the instant heating device 25 and the water outlet pipeline 29, and the water pump 2214 is located below the water quantity sensor 2215 and the flow meter 2216. The components such as the first water inlet electromagnetic valve 2211, the negative pressure valve 2217, the water quantity sensor 2215, the flow meter 2216 and the water pump 2214 are partitioned according to functions, so that the role of each part is more explicit. When a fault occurs, the problem can be quickly located, and maintenance and repair are facilitated.

[0075] Referring to Figure 4 and Figure 5 In some embodiments, the shell 21 comprises an outer shell 216 and a mounting rack 217, wherein the outer shell 216 comprises the first shell and the second shell described above and has the installation cavity 215; the mounting rack 217 is fixedly connected with the outer shell 216 and is fixed in the installation cavity 215, and the first water inlet electromagnetic valve 2211, the negative pressure valve 2217, the water quantity sensor 2215, the flow meter 2216 and the water pump 2214 are all installed on the mounting rack 217. In this way, the various parts can be installed on the mounting rack 217 first, and then the mounting rack 217 is installed in the installation cavity 215, so that the assembly process is more simple and fast, and the installation difficulty and cost are reduced. When a part fails or needs to be maintained, the mounting rack 217 can be taken out as a whole, so that the waterway system 22 can be taken out to observe the position of the fault, and the parts can be replaced and maintained.

[0076] Please see Figure 7 In some embodiments, the tankless water dispenser 2 further includes a sterilization device 23, which is installed on the water outlet pipe 29 and sterilizes the water in the outlet pipe 29. The sterilization device 23 can be in the form of an ultraviolet sterilizer or an ozone sterilizer, etc. This sterilization device 23 can effectively sterilize without producing chemical residues, thereby reducing environmental pollution. The sterilization device 23 can effectively kill bacteria, viruses, and other microorganisms in the water outlet pipe 29, ensuring water safety and hygiene, and effectively reducing health problems caused by water quality issues.

[0077] Please see Figures 3 to 5 ,as well as Figure 7 In some embodiments, the water outlet 212 is located at the bottom of the housing 21; the water inlet of the instant heating device 25 is located below the instant heating device 25, and the water outlet is located above the instant heating device 25. Specifically, the water outlet 212 is located at the bottom of the housing 21 for easy water access, especially in low-ceilinged spaces or for use by children. The water inlet and water outlet of the instant heating device 25 are located below and above it, respectively, which improves space utilization. In detail, since the water outlet 212 is located at the bottom of the housing 21, the water outlet pipe 29 is equipped with a sterilization device 23. Considering the parallel arrangement of the water outlet pipe 29 and the instant heating device 25, the water inlet of the water outlet pipe 29 is located above it. Therefore, the water inlet and water outlet of the instant heating device 25 are located below and above it, respectively, thus adapting to the arrangement of the water outlet pipe 29.

[0078] The layout of the water system 22 described above is also adapted to the water flow in the instant heating installation area 2142. Specifically, the inlet 211 is located at the bottom of the housing 21. The first inlet solenoid valve 2211 and the negative pressure valve 2217 are spaced apart in the height direction. The water volume sensor 2215, the flow meter 2216 and the water pump 2214 are also spaced apart in the height direction. After the water from the water source enters the water system 22 through the inlet 211, it first passes through the first inlet solenoid valve 2211 and the negative pressure valve 2217, at which point the water flows upward. Then it passes through the water volume sensor 2215, the flow meter 2216 and the water pump 2214, at which point the water flows downward. Then it enters the instant heating device 25, flows upward again, then flows downward through the outlet pipe 29, and finally flows out from the outlet 212.

[0079] In this application, through a reasonable component layout, the space inside the housing 21 can be fully utilized, making the overall equipment more compact, enabling smooth water flow and efficient heating, and facilitating the maintenance and repair of the internal components, thereby improving the practicality of the tankless water dispenser 2.

[0080] In the present application, the first water inlet electromagnetic valve 2211, the flow control pump 2213, the water volume sensor 2215, and the flow meter 2216 are all installed in the waterway installation area 2141, that is, the instant heating device 25 is installed in the instant heating installation area 2142, and in the length direction of the tankless pipeline machine 2, the waterway installation area 2141 is located between the electric control installation area 213 and the instant heating installation area 2142; that is, in the length direction of the tankless pipeline machine 2, the electric control device 24, the waterway system 22, and the instant heating device 25 are arranged side by side, and a thermal isolation barrier is formed by the waterway system 22 to separate the electric control device 24 and the instant heating device 25, so as to reduce the thermal energy interaction interference.

[0081] Please refer to Figure 7 In some embodiments, the waterway system 22 further includes a check valve 2218 arranged on the water outlet nozzle 212 and preventing water flow from flowing backward in the pipeline, thereby protecting other components in the waterway system 22, such as the water pump 2214, the instant heating device 25, etc., from being impacted and damaged by the reverse water flow. When the instant heating device 25 is used to heat the water in the waterway system 22 of the tankless pipeline machine 2, it is difficult for the instant heating device 25 to heat the water in the waterway system 22 to 100 degrees Celsius due to the rapid heating of the instant heating device 25. Therefore, the check valve 2218 designed at the water outlet nozzle 212 in the present application can play a pressure-bearing role to increase the boiling point of the water in the water outlet pipeline 29, so as to make the water boil. In the process of water boiling, water vapor can be arranged in the water outlet pipeline 29, and since the water outlet pipeline 29 is connected to the water outlet nozzle 212, the water outlet nozzle 212 can discharge the water vapor, so that the water outlet nozzle 212 can flow out a stable water column.

[0082] Please refer to Figure 3 and Figure 7 In some embodiments, the tankless pipeline machine 2 further includes an irradiation lamp 28 arranged on the shell 21 and facing the water storage area of the tankless pipeline machine 2, so that the light emitted by the irradiation lamp 28 irradiates the water storage area located below the water outlet nozzle 212. The irradiation lamp 28 can illuminate the water storage area, so that the user can clearly see the water level, water quality, and whether there are impurities in the water storage container even in a relatively dark environment, thereby ensuring the accuracy and safety of water taking. In addition, the light irradiation of the irradiation lamp 28 helps the user to more intuitively check the cleaning degree of the water storage area and the water outlet nozzle 212, thereby reminding the user to clean and maintain in time and ensuring water hygiene.

[0083] Please refer to Figure 6In some embodiments, the tankless pipeline machine 2 further comprises a display device 27 arranged on the shell 21 to display the working information of the tankless pipeline machine 2. The display device 27 can visually show the working state of the tankless pipeline machine 2 in real time, such as water temperature, working state (heating, water outlet, standby, etc.), and possible fault prompt, so that the user can better master the working condition of the device, thereby reasonably arranging the use time and frequency and avoiding unnecessary energy waste. For example, when the water temperature is low, the required heating time is longer, and the user can arrange other work first to avoid the waste of time due to waiting for the water temperature to rise.

[0084] In some embodiments, the display device 27 and the irradiation lamp 28 are both installed in the instant heating installation area 2142, so that the display device 27 and the irradiation lamp 28 can be close to each other. Since the display device 27 and the irradiation lamp 28 are close to each other, the display device 27 is electrically connected with the irradiation lamp 28 in the embodiments of the present application, and the display device 27 is further used for supplying power to the irradiation lamp 28 and directly controlling the opening and closing of the irradiation lamp 28, which helps to simplify the wiring complexity in the tankless pipeline machine 2.

[0085] It can be understood that the water purification amount of the water purifier 3 is large, and the water consumption of the tankless pipeline machine 2 is small due to the heating efficiency of the instant heating device 25. When the water pressure in the water outlet cavity 1148 is large, the water can flow back to the water inlet cavity 1147 through the backflow cavity 1146, thereby improving the service life of the flow divider 1 and the tankless pipeline machine 2.

[0086] Referring to Figures 11 to 13 , the flow divider 1 comprises a water inlet cavity 1147, a water outlet cavity 1148, and a backflow cavity 1146. The flow divider 1 is provided with a raw water inlet 1141, a pure water inlet 1143, a raw water outlet 1142, and a first water supply port 1144. The raw water inlet 1141 is used to connect a water supply pipeline to introduce tap water into the water inlet cavity 1147, the raw water outlet 1142 is used to communicate with the raw water inlet 31 to deliver the water in the water inlet cavity 1147 to the water purifier 3, the pure water inlet 1143 is used to communicate with the pure water outlet 32 to introduce the purified water purified by the water purifier 3, and the first water supply port 1144 is used to communicate with the water inlet 211 to deliver the purified water to the tankless pipeline machine 2. The raw water inlet 1141 communicates with the water inlet cavity 1147, the raw water outlet 1142 communicates with the backflow cavity 1146, the pure water inlet 1143 and the first water supply port 1144 both communicate with the water outlet cavity 1148, and the backflow cavity 1146 communicates with the water inlet cavity 1147 and the water outlet cavity 1148. In this way, when the water purifier 3 delivers a large flow of water, the water in the water outlet cavity 1148 can flow back to the water inlet cavity 1147 through the backflow cavity 1146, and then flow to the water purifier 3 again through the raw water outlet 1142, thereby reducing the pressure of the flow divider 1 and the tankless pipeline machine 2 and improving the stability of the water purification system.

[0087] Referring to Figures 11 to 13 The shunt 1 comprises a valve shell 11, the valve shell 11 comprises a valve body upper shell 116 and a valve body lower shell 117 connected with each other, and the valve body upper shell 116 and the valve body lower shell 117 can be assembled in a connection form including but not limited to bolt connection, clamping connection and the like. The valve body upper shell 116 and the valve body lower shell 117 jointly constitute a water inlet cavity 1147, a backflow cavity 1146 and a water outlet cavity 1148, the water outlet cavity 1148 can communicate with the water inlet cavity 1147 through the backflow cavity 1146, the water inlet cavity 1147 and the water outlet cavity 1148 are preferably located at the top side of the backflow cavity 1146, and the valve body upper shell 116 is an integrally formed component, and / or the valve body lower shell 117 is an integrally formed component, so that the valve shell 11 assembled by the valve body upper shell 116 and the valve body lower shell 117 is more stable and has higher structural strength. In this way, when high-pressure fluid is borne, the pressure can be uniformly distributed in each part of the valve shell 11. Preferably, the raw water outlet 1142, the pure water inlet 1143 and the second water supply port 1145 are all arranged on the valve body lower shell 117, and the raw water inlet 1141 and the first water supply port 1144 are arranged on the valve body upper shell 116.

[0088] Referring to Figures 11 to 13 The shunt 1 further comprises a shunt assembly 17 arranged in the water outlet cavity 1148 and separating the water outlet cavity 1148 into a water outlet lower cavity 11481 and a water outlet upper cavity 11482, wherein the water outlet lower cavity 11481 communicates the pure water outlet 32 and the pure water inlet 41, the water outlet upper cavity 11482 communicates the water outlet lower cavity 11481 and the water inlet 211, and the backflow cavity 1146 communicates the water outlet lower cavity 11481 and the water inlet cavity 1147. The shunt assembly 17 can open or close the backflow cavity 1146 according to the pressure difference between the water outlet lower cavity 11481 and the water outlet upper cavity 11482.

[0089] The shunt assembly 17 is provided with a flow hole, the valve shell 11 has a backflow guide portion 1171, the inside of the backflow guide portion 1171 is provided with a guide flow channel 1172 communicating with the backflow cavity 1146, the shunt assembly 17 is installed in the water outlet cavity 1148 of the valve shell 11 and can abut against the backflow guide portion 1171, and the flow hole is used to guide the pure water flowing from the pure water inlet 1143 to pass through the shunt assembly 17 and enter the water outlet cavity 1148. According to the pressure difference formed by the pure water inlet 1143, the first water supply port 1144 and the second water supply port 1145, the shunt assembly 17 can produce a relative displacement towards the first water supply port 1144 side, so that the shunt assembly 17 is separated from the backflow guide portion 1171, and then excessive pure water can flow from the guide flow channel 1172 into the backflow cavity 1146 to form the above-mentioned excess water.

[0090] When the faucet 4 is used alone, the pure water flows into the valve housing 11 from the pure water inlet 1143 and directly flows out from the second water outlet 1145, at this time the shunt assembly 17 abuts and fits on the backflow guide part 1171 to seal the guide flow channel 1172, so that the pure water will not backflow to the guide flow channel 1172.

[0091] When the tankless pipeline machine 2 is used alone, the pure water flows into the valve housing 11 from the pure water inlet 1143 and enters the water outlet cavity 1148 through the water hole, and finally flows out from the first water outlet 1144 to the tankless pipeline machine 2, at this time the pressure on the side of the shunt assembly 17 away from the first water outlet 1144 is less than the pressure on the side of the shunt assembly 17 close to the first water outlet 1144, that is, the water pressure formed by the pure water inlet 1143 and the second water outlet 1145 is greater than the water pressure on the side of the first water outlet 1144, the shunt assembly 17 can produce relative displacement towards the side of the first water outlet 1144, so that the shunt assembly 17 is separated from the backflow guide part 1171, and the excess pure water backflows to the guide flow channel 1172. When the tankless pipeline machine 2 is closed, the shunt assembly 17 will reset towards the side of the backflow guide part 1171, so that the shunt assembly 17 abuts on the backflow guide part 1171 again to seal the guide flow channel 1172. Therefore, the shunt 1 can flexibly meet the water flow distribution requirements when the tankless pipeline machine 2 is used alone, so that the pure water can be reasonably handled while meeting the water demand of the tankless pipeline machine 2, so as to avoid the waste of water resources and the risk of damaging the tankless pipeline machine 2 due to excessive water pressure.

[0092] When the tankless pipeline machine 2 and the faucet 4 are used at the same time, part of the pure water flows out from the second water outlet 1145 to the faucet 4, and the other part enters the water outlet cavity 1148 through the water hole and flows out from the first water outlet 1144 to the tankless pipeline machine 2. Due to the decrease of the water pressure on the side of the second water outlet 1145, the pressure on the side of the shunt assembly 17 close to the first water outlet 1144 is not much different from the pressure on the side of the shunt assembly 17 away from the first water outlet 1144, at this time the shunt assembly 17 abuts and fits on the backflow guide part 1171, so that the excess pure water will not backflow to the guide flow channel 1172. In this way, the tankless pipeline machine 2 and the faucet 4 can be normally used, and the stable operation of the entire pure drinking system is ensured.

[0093] Thus, because the excess purified water can flow back when the tankless pipeline machine 2 is turned on, the purified water machine 3 can avoid frequent adjustment of its working state due to sudden changes in water consumption of the tankless pipeline machine 2 (such as water pressure changes caused by frequent opening and closing of the tankless pipeline machine 2). For example, without the backflow mechanism, when the tankless pipeline machine 2 is suddenly turned off, the instantaneous change in water pressure can cause an impact on the internal structure and working pressure of the purified water machine 3, and with the backflow mechanism, the water pressure change can be buffered to some extent, reducing the pressure on the purified water machine 3 to frequently start and stop. In the case of simultaneous water use, the relative stable water flow distribution state is maintained through the action of the shunt assembly 17. Without the shunt assembly 17, when the faucet 4 and the tankless pipeline machine 2 work simultaneously, a sudden change in water consumption of one party (such as sudden closing of the faucet 4) can cause a large fluctuation in the internal water pressure of the purified water machine 3, resulting in frequent adjustment of the working state of the purified water machine 3. The shunt assembly 17 can maintain a relatively stable water pressure and water flow distribution, reducing the situation of frequent start and stop of the purified water machine 3 caused by changes in external water use.

[0094] The shunt assembly 17 can include a shunt diaphragm with a water passage hole and a fixing assembly for fixing the shunt diaphragm in the valve housing 11, wherein the shunt diaphragm can be of flexible material or provided with an expansion space, so that the shunt diaphragm can deform under the change of water pressure, thereby automatically opening or closing the backflow cavity 1146.

[0095] In the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present utility model. For ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0096] The above is only a preferred embodiment of the present utility model and does not limit the present utility model, any modification, equivalent replacement and improvement made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A net drink system characterized by, Comprise: a water purifier having a raw water inlet and a purified water outlet; a tankless pipeline machine comprising a housing having a water inlet and a water outlet nozzle, a hot water waterway arranged in the housing and between the water inlet and the water outlet nozzle, comprising a first water inlet electromagnetic valve and a pump assembly arranged in sequence along the flow direction of water flow, and a high-temperature backflow waterway having a water inlet end connected to a water outlet end of a quick-heating device and a water outlet end connected to the hot water waterway upstream of the pump assembly, and the hot water of the quick-heating device can selectively flow to the high-temperature backflow waterway or the water outlet nozzle; and a flow divider having a water inlet cavity connected to a water source and the raw water inlet, a water outlet cavity connected to the purified water outlet and the water inlet, and a backflow cavity connected to the water outlet cavity and the water inlet cavity.

2. The purified drinking system of claim 1, wherein, The high-temperature backflow waterway further comprises: a three-way valve having a water inlet end connected to the water outlet end of the quick-heating device, a first water outlet end connected to the water outlet nozzle, and a second water outlet end connected to the hot water waterway upstream of the pump assembly.

3. The purified drinking system of claim 1, wherein, The high-temperature backflow waterway further comprises: a first electromagnetic valve selectively connecting the water outlet end of the quick-heating device and the water inlet end of the high-temperature backflow waterway; a second electromagnetic valve selectively connecting the water outlet end of the quick-heating device and the water outlet nozzle.

4. The purified drinking system of claim 1, wherein, The pump assembly comprises a water pump or a flow control pump, and when the pump assembly comprises the water pump, the hot water waterway further comprises: a negative pressure valve connected between the first water inlet electromagnetic valve and the water pump.

5. The water purification system as described in claim 1, characterized in that, The tankless pipeline machine further comprises: a normal-temperature waterway provided with a second water inlet electromagnetic valve, the water inlet end of the normal-temperature waterway being connected to the hot water waterway downstream of the first water inlet electromagnetic valve, or the water inlet end of the normal-temperature waterway being connected to the water inlet, and the water outlet end of the normal-temperature waterway being connected to the hot water waterway downstream of the pump assembly.

6. The water purification system as described in claim 5, characterized in that, The hot water waterway further comprises: a water quantity sensor arranged between the water inlet and the first water inlet electromagnetic valve, or arranged between the first water inlet electromagnetic valve and the pump assembly, or arranged between the pump assembly and the connection between the water outlet end of the normal-temperature waterway and the hot water waterway.

7. The water purification system as described in claim 5, characterized in that, The hot water waterway further comprises: a flow meter arranged in the hot water waterway downstream of the connection between the water outlet end of the normal-temperature waterway and the hot water waterway.

8. The water purification system as described in claim 5, characterized in that, a sterilization device arranged between the quick-heating device and the water outlet nozzle, or arranged between the quick-heating device and the connection between the water outlet end of the normal-temperature waterway and the hot water waterway.

9. The water purification system as described in claim 1, characterized in that, The tankless pipeline machine further comprises: a check valve arranged at the water outlet nozzle to prevent water dripping from the water outlet nozzle.

10. The purified drinking system of claim 1, wherein, The tankless pipeline machine further comprises: an irradiation lamp arranged on the housing and directed towards a water containing area of the tankless pipeline machine, so that light emitted by the irradiation lamp irradiates the water containing area, which is located below the water outlet nozzle.

11. The water purification system as described in claim 1, characterized in that, The tankless pipeline machine further comprises: A display device is arranged on the shell to display working information of the tankless pipeline machine.

12. The purified drinking system of any one of claims 1 to 11, wherein, Further comprising: A faucet has a pure water inlet, which is communicated with the pure water outlet.

13. The purified drinking system of any one of claims 1 to 11, wherein, Further comprising: A faucet has a pure water inlet; The water outlet cavity includes a water outlet lower cavity communicated with the water inlet cavity and the pure water outlet, and a water outlet upper cavity communicated with the water outlet lower cavity and the water inlet, wherein the reflux cavity is communicated with the water outlet lower cavity and the water inlet.

Images