CN114732285A

CN114732285A - Waterway system for making cool boiled water and water dispenser

Info

Publication number: CN114732285A
Application number: CN202210523344.5A
Authority: CN
Inventors: 郭建刚; 曾永春
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-07-12

Abstract

The embodiment of the invention provides a waterway system for making a cool boiled water and a water dispenser, wherein the waterway system for making the cool boiled water comprises a hot water supply waterway, a primary cooling waterway and a secondary cooling waterway which are sequentially connected, a heating device is arranged on the hot water supply waterway, and the heating device is used for heating water flowing through the hot water supply waterway into boiling water; the primary cooling waterway is provided with a water containing box for containing boiling water, and the water containing box is used for enabling the boiling water to release water vapor for primary cooling; and the second-stage cooling water path is provided with a heat exchanger, and the heat exchanger is used for carrying out second-stage cooling on the boiling water subjected to the first-stage cooling so as to form cool boiled water. The waterway system for manufacturing the cool boiled water can discharge water vapor from the heated boiling water through the water containing box, primary cooling is carried out, cooling efficiency can be improved through discharging the water vapor, secondary cooling is carried out through heat exchange by the heat exchanger after the primary cooling, quick cooling of the boiling water is realized, and the cool boiled water meeting direct drinking temperature is provided for users.

Description

Waterway system for making cool boiled water and water dispenser

Technical Field

The invention belongs to the technical field of water using equipment, and particularly relates to a waterway system for making cold boiled water and a water dispenser.

Background

Chinese people have the habit of drinking cold boiled water. However, in the prior art, the device for boiling the water in the cold state can be provided, one is to heat the water to the drinkable water temperature and not to completely boil the water; the other method is to mix boiled water with cold water, and the mixed water can be directly drunk. The two kinds of water are either not completely boiled or are yin-yang water formed by mixing boiled water and cold water, and are not cold boiled water in the true sense.

In order to avoid drinking water which is not completely boiled or water with yin and yang, a water dispenser capable of providing cool boiled water is proposed in the prior art, and if the Chinese patent with the publication number of CN 215479812U discloses a water path structure and a water purifier, the water path structure is provided with a heating element and a heat exchange element, and in the heat exchange element, normal temperature water from a water storage tank and high temperature hot water heated by the heating element exchange heat to cool the high temperature hot water into cool boiled water. Although the waterway structure and the water purifier can provide cool boiled water, the cooling efficiency and the temperature reduction degree are lower, and the provided cool boiled water is not good in drinking experience.

Disclosure of Invention

In view of the above problems in the prior art, an object of the present invention is to provide a water path system for making boiled water, which can provide real boiled water with a fast temperature reduction speed.

The embodiment of the invention adopts the technical scheme that the waterway system for making the cool boiled water comprises a hot water supply waterway, a primary cooling waterway and a secondary cooling waterway which are sequentially connected, wherein a heating device is arranged on the hot water supply waterway and is used for heating water flowing through the hot water supply waterway into boiling water; the primary cooling waterway is provided with a water containing box for containing boiling water, and the water containing box is used for enabling the boiling water to release water vapor for primary cooling; and the heat exchanger is arranged on the secondary cooling water path and is used for carrying out secondary cooling on the boiling water subjected to the primary cooling to form cool boiled water.

The waterway system for manufacturing the cool boiled water provided by the embodiment of the invention can discharge steam from the heated boiling water through the water containing box to carry out primary cooling, the cooling efficiency can be improved by discharging the steam to carry out cooling, and secondary cooling is carried out through heat exchange by the heat exchanger after the primary cooling, so that the quick cooling of the boiling water is realized, and the cool boiled water meeting the direct drinking temperature is provided for users.

In some embodiments, the water containing box comprises a box body and a box cover for covering the box body, and the box body is connected in series to the primary cooling water path so that boiling water from the hot water supply water path can enter the water containing box; be equipped with the steam drain on the upper portion of box body and/or the lid, the steam drain is used for discharging the steam in the box body, so that boiling water cooling in the box body. Through setting up the steam vent, can make steam distribute fast, and simple structure, manufacturing is convenient.

In some embodiments, the heat exchanger includes an ice water tank containing cooling water therein; the secondary cooling water path comprises a cooling pipe section positioned in the ice water tank, and hot water flows through the cooling pipe section and exchanges heat with cooling water in the ice water tank to be cooled. Through setting up the ice water tank, can make the cooling tube section submerge completely in the cooling water of ice water tank, improve heat exchange efficiency, do benefit to hot water rapid cooling and become cool and white boiling, reduce user's latency, promote user's use and experience.

In some embodiments, the cooling pipe section comprises a roundabout section and a straight section, wherein the roundabout section is arranged in a roundabout manner in the transverse direction from the top of the ice water tank to the bottom of the ice water tank; the straight line section is vertically arranged, the lower end of the straight line section is connected with one end, located at the bottom of the ice water tank, of the roundabout section, and the other end of the straight line section extends out of the top of the ice water tank. The structural form of the cooling pipe section can prolong the length of the cooling pipe section as far as possible in the limited space of the ice water tank so as to improve the cooling efficiency and the cooling effect.

In some embodiments, an evaporator is disposed in the ice water tank, and the evaporator is used for refrigerating the cooling water in the ice water tank to keep the cooling water at a predetermined temperature. By arranging the evaporator, the cooling water in the ice water tank forms ice water, and the high temperature difference between the ice water and the hot water in the secondary cooling water channel is utilized to realize the rapid cooling of the hot water.

In some embodiments, the waterway system further includes a circulation pipeline, one end of the circulation pipeline is connected to the bottom of the ice water tank, the other end of the circulation pipeline is connected to the top of the ice water tank, a circulation water pump is arranged on the circulation pipeline, and the circulation water pump is used for conveying ice water at the bottom of the ice water tank to the top of the ice water tank through the circulation pipeline, so that the ice water in the ice water tank circulates, the ice water temperature in the ice water tank is more uniform, and the ice water around the evaporator is prevented from freezing and causing slow refrigeration.

In some embodiments, a cool boiled box is arranged on the secondary cooling water path, an air outlet is arranged on the cool boiled box, and the cool boiled box is positioned at the downstream of the cooling pipe section;

the water path system further comprises a gas path, an air pump is arranged on the gas path and located at one end of the gas path, the other end of the gas path is connected to the upper portion of the cooling pipe section on the second-stage cooling water path, and the air pump is used for sending water in the second-stage cooling water path into the cool boiled box. The cooled boiled water after the secondary cooling is sent into the cooled boiled water box through the air pump, and the cooled boiled water can directly flow out from the water outlet for a user to drink.

In some embodiments, a first water pump and a first electrically controlled valve are arranged on the hot water supply waterway, the first water pump and the first electrically controlled valve are both located upstream of the heating device, and the first water pump is located upstream of the first electrically controlled valve; be equipped with second suction pump and second automatically controlled valve on the one-level cooling water route, the second suction pump with the second automatically controlled valve all is located hold the low reaches of water box, just the second suction pump is located the low reaches of second automatically controlled valve. The automatic control of the waterway system can be realized.

In some embodiments, the waterway system further includes a controller, the controller is configured to receive a first user command, and when receiving the first user command, send a first opening command to the first water pump and the first electric control valve, the first water pump and the first electric control valve receive the first opening command and are opened simultaneously, the hot water supply waterway is turned on, and water in the water tank is heated by the heating device and is sent to the water containing box;

after the first water pump and the first electric control valve are opened, a first preset time period passes, the controller respectively sends a first closing instruction to the first water pump and the first electric control valve and respectively sends a second opening instruction to the second water pump and the second electric control valve, the first water pump and the first electric control valve respectively receive the first closing instruction and are closed at the same time so as to cut off the hot water supply waterway, the second water pump and the second electric control valve respectively receive the second opening instruction and are opened at the same time, the primary cooling waterway is conducted, and water in the water containing box enters the secondary cooling waterway for cooling;

the utility model discloses a water-saving drinking water machine, including first water suction pump, second electric control valve, controller, second water suction pump and second electric control valve, the second water suction pump sets up the time quantum through the second after the valve is opened, water in the second grade cooling water route forms cool boiled, the controller to second water suction pump and second electric control valve send the second respectively and close the instruction, second water suction pump and second electric control valve receive respectively the second closes the instruction and closes simultaneously, the one-level cooling water route is cuted, the hydroenergy in second grade cooling water route can outwards be seen off and supply the user to drink. When a user inputs a first user instruction, the waterway system automatically makes the cool boiled water, and the operation is convenient.

In some embodiments, the waterway system further includes a boiled water waterway and a three-way valve for connecting the hot water supply waterway, the primary cooling waterway, and the boiled water waterway. The function of a waterway system is added, and the requirement of a user on using boiled water is met.

The embodiment of the invention also provides a water dispenser which comprises a machine body and the water dispenser also comprises the waterway system for making cool boiled water in any embodiment. The water dispenser of the embodiment is provided with the waterway system, so that real cool boiled water can be quickly provided for a user, and the waiting time of the user is reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the inventive embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a schematic structural view of a water path system for making cool boiled water according to an embodiment of the present invention, in which water in a water tank is heated by a heating device to form boiled water, and the boiled water enters a water containing box to discharge steam for primary temperature reduction.

Fig. 2 is a schematic structural diagram of a waterway system for making cool boiled water according to an embodiment of the present invention, wherein water after primary cooling is delivered to an ice water tank for secondary cooling.

Fig. 3 is a schematic structural diagram of a waterway system for making a cold boiled water according to an embodiment of the present invention, wherein the cooled cold boiled water is blown into a cold boiled box by a steam pump and is discharged from a water outlet.

Reference numerals:

1-a hot water supply waterway; 2-a first-level cooling water path; 3-a secondary cooling water path; 4-a water tank; 5-a heating device; 6-a flow meter; 7-water containing box; 8-an ice water tank; 9-a roundabout segment; 10-straight line segment; 11-an evaporator; 12-a first water level sensor; 13-gas port; 14-a water outlet; 15-opening the box in cool white; 16-a gas path; 17-an air pump; 18-a one-way valve; 19-a second water level sensor; 20-a first water pump; 21-a first electrically controlled valve; 22-a second water pump; 23-a second electrically controlled valve; 24-boiled water waterway; 25-three-way valve; 26-a circulation line; 27-circulating pump.

Detailed Description

As shown in fig. 1 to 3, an embodiment of the present invention provides a waterway system for making a cool boiled water. With continuing reference to fig. 1 to 3, the waterway system includes a hot water supply waterway 1, a primary cooling waterway 2 and a secondary cooling waterway 3, which are connected in sequence. The end of the hot water supply waterway 1 not connected to the primary cooling waterway 2 may be connected to the water tank 4 or the water tap to provide clean water to the hot water supply waterway 1. The hot water supply circuit 1 is provided with a heating device 5, and the heating device 5 is used for heating the water flowing through the hot water supply circuit 1 into boiling water. The primary cooling water path 2 is provided with a water containing box 7 for containing boiling water. Boiling water in the hot water supply waterway 1 enters the water containing box 7, and the boiling water releases water vapor in the water containing box 7 to carry out primary temperature reduction. And the second-stage cooling water channel 3 is provided with a heat exchanger, and the heat exchanger is used for carrying out second-stage cooling on the boiling water subjected to the first-stage cooling so as to form cool boiled water. In fig. 1, the direction of the arrow upstream of the heating device 5 indicates the flow direction of the cold water, the direction of the arrow downstream of the heating device 5 indicates the flow direction of the boiling water, and the direction of the arrow in fig. 2 indicates the flow direction of the hot water after the primary temperature reduction.

The waterway system for making the cool boiled water can discharge water vapor from the heated boiling water through the water containing box 7, carry out primary cooling, improve cooling efficiency by discharging the water vapor, carry out secondary cooling through heat exchange by the heat exchanger after the primary cooling, realize quick cooling of the boiling water, and provide the cool boiled water meeting direct drinking temperature for users.

In some embodiments, the water containing box 7 may include a box body and a box cover (not shown in the figure) for covering the box body, the box body is connected in series to the first-stage cooling water path 2, so that the boiling water from the hot water supply water path 1 can enter the box body, and the hot water can flow out of the box body after the steam is discharged in the water containing box 7 and is subjected to the first-stage cooling to enter the second-stage cooling water path 3, that is, the box body may be provided with a water inlet and a water outlet. The upper part of the box body and/or the box cover are/is provided with steam vents (not shown in the figure), and water vapor in the box body can be discharged outwards through the steam vents so as to cool the boiling water in the box body. Through setting up the steam vent, can make steam distribute fast, and simple structure, manufacturing is convenient.

The shape and the number of the steam discharge ports are not limited, and a plurality of steam discharge ports can be arranged on the box cover and/or the upper part of the box body to increase the steam discharge speed. Of course, only one large exhaust port may be provided.

The form of the heat exchanger on the secondary cooling water channel 3 is not limited, for example, a shell-and-tube heat exchanger can be adopted, hot water and a low-temperature heat exchange medium respectively pass through a tube pass and a shell pass of the heat exchanger, the hot water and the heat exchange medium carry out heat exchange in the heat exchanger, the heat exchange medium absorbs heat of the hot water and heats up, and the hot water releases heat to cool and form cold water.

In some embodiments, as shown in fig. 1-3, the heat exchanger includes an ice water tank 8, with cooling water contained within the ice water tank 8. The secondary cooling water path 3 comprises a cooling pipe section positioned in the ice water tank 8, namely, a part of the secondary cooling water path 3 is positioned in the ice water tank 8 to form the cooling pipe section. When flowing through the cooling pipe section, the hot water exchanges heat with the cooling water in the ice water tank 8 to be cooled and cooled. Through the form formation heat exchanger that sets up ice water tank 8, the cooling water yield is more in ice water tank 8, and can make the cooling tube section submergence totally in ice water tank 8's cooling water, improves heat exchange efficiency, does benefit to hot water rapid cooling and becomes cool and boiled, reduces user's latency, promotes user's use and experiences.

In some embodiments, with continued reference to fig. 1-3, the cooling tube segment includes a circuitous segment 9 and a straight segment 10, the circuitous segment 9 being circuitous in a lateral direction from the top of the ice water tank 8 to the bottom of the ice water tank 8. The straight line section 10 is vertically arranged, the lower end of the straight line section 10 is connected with one end, located at the bottom of the ice water tank 8, of the roundabout section 9, and the other end of the straight line section extends out of the top of the ice water tank 8. This cooling tube section's structural style can prolong the length of cooling tube section as far as possible in 8 limited spaces in ice water tank to promote cooling efficiency and cooling effect, shorten cool time, and then shorten the time of preparing cool boiled water, avoid the user to wait.

In order to keep the cooling water in the ice water tank 8 at a certain low temperature so as to effectively cool the hot water into cool boiled water, the cooling water in the ice water tank 8 can adopt a circulative form, namely the heated cooling water is discharged out of the ice water tank 8 in time, and meanwhile, the low-temperature cooling water is supplemented into the ice water tank 8 in time.

In some embodiments, as shown in fig. 1 to 3, an evaporator 11 is disposed in the ice water tank 8, and the evaporator 11 is used for refrigerating the cooling water in the ice water tank 8 to keep the cooling water at a predetermined temperature to form ice water. By arranging the evaporator 11, the cooling water in the ice water tank 8 forms ice water, and the high temperature difference between the ice water and the hot water in the secondary cooling water channel 3 is utilized to realize the quick cooling of the hot water, improve the making speed of the cool boiled water and avoid the waiting of users.

It should be noted that the structure and the operation principle of the evaporator 11 are all in the prior art, and the present invention is not specifically described in this regard.

In some embodiments, as shown in fig. 1 to 3, the waterway system further includes a circulation pipe 26, one end of the circulation pipe 26 is connected to the bottom of the ice water tank 8, the other end of the circulation pipe 26 is connected to the top of the ice water tank 8, a circulation water pump 27 is disposed on the circulation pipe 26, and the circulation water pump 27 is configured to deliver ice water at the bottom of the ice water tank 8 to the top of the ice water tank 8 through the circulation pipe 26, so that cold water produced at the bottom of the ice water tank 8 and water at the upper portion can flow, which is beneficial to making the temperature of the ice water in the ice water tank 8 more uniform, and can prevent water around the evaporator 11 from freezing and causing slow refrigeration. In fig. 1 to 3, solid double arrows indicate the circulation direction of the ice water in the circulation line 26.

A first water level sensor 12 may be further disposed in the ice water tank 8 for monitoring the water level in the ice water tank 8 in real time. The maximum water level can be set for the ice water tank 8, and the maximum water level can ensure that enough cold quantity is provided for the secondary cooling water channel 3. The top of the ice water tank 8 may be further provided with an air port 13 communicated with the outside for exhausting air in the ice water tank 8 and maintaining the pressure balance in the ice water tank 8. The bottom of the ice water tank 8 can be provided with a water outlet 14, the top of the ice water tank 8 can be provided with a water inlet (not shown in the figure), cooling water can be injected into the ice water tank 8 through the water inlet, and the cooling water in the ice water tank 8 can be discharged through the water outlet 14, so that the replacement of the cooling water in the ice water tank 8 is realized.

In some embodiments, as shown in fig. 1 to 3, a cool boiled box 15 is disposed on the secondary cooling water path 3, the cool boiled box 15 is located at the downstream of the cooling pipe section, and the cool boiled box 15 is used for accommodating cool boiled water formed after the ice water tank 8 is cooled. The box 15 may include a box body and a box cover, and the box is accommodated in the box body. The box cover is used for sealing the box body. An air outlet (not shown) may be provided on the lid or around the top of the case.

With continued reference to fig. 1-3, the waterway system further includes a pneumatic circuit 16. An air pump 17 is arranged on the air path 16, the air pump 17 is positioned at one end of the air path 16, the other end of the air path 16 is connected to the second-stage cooling water path 3 at the upstream of the cooling pipe section, and the air pump 17 is used for sending water in the second-stage cooling water path 3 into the cool boiled box 15. The air in the cool boiled box 15 can diffuse to the outside through the air outlet on the cool boiled box, and the influence on the inflow of the cool boiled water into the cool boiled box 15 is avoided. In fig. 3, the open arrows indicate the flow direction of air, and the solid arrows indicate the flow direction of cool boiled water. The tail end of the secondary cooling water path 3 can be provided with a water outlet or a water outlet nozzle, and the cool boiled water in the cool boiled water box 15 can directly flow out through the water outlet and the water outlet nozzle for a user to drink.

The air passage 16 is further provided with a one-way valve 18, and the one-way valve 18 is arranged, so that water in the water passage can be prevented from entering the air pump 17 to cause damage to the air pump 17.

It will be appreciated that in order to effect delivery of water (including cold water, boiling water, cold boiled water), a pump should be provided on each water path.

Specifically, in some embodiments, as shown in fig. 1 to 3, the waterway system further includes a first suction pump 20, a first electrically controlled valve 21, a second suction pump 22, and a second electrically controlled valve 23. The first suction pump 20 and the first electrically controlled valve 21 are both disposed on the hot water supply waterway 1, the first suction pump 20 and the first electrically controlled valve 21 are both located upstream of the heating device 5, and the first suction pump 20 is located upstream of the first electrically controlled valve 21. The first suction pump 20 is used for providing power for delivering the water in the water tank 4 to the heating device 5, and the first electric control valve 21 is used for controlling the on and off of the hot water supply waterway 1. The second water pump 22 and the second electric control valve 23 are both arranged on the primary cooling water path 2, the second water pump 22 and the second electric control valve 23 are both located at the downstream of the water containing box 7, and the second water pump 22 is located at the downstream of the second electric control valve 23. The second water pump 22 is used for providing power for conveying water in the water containing box 7 to the cooling pipe section of the secondary cooling water path 3, and the second electric control valve 23 is used for controlling the conduction and the cut-off of the secondary cooling water path 3.

In some embodiments, the waterway system of the present invention further includes a controller (not shown), and the controller is electrically connected to the first suction pump 20, the first electrically controlled valve 21, the second suction pump 22, and the second electrically controlled valve 23. The controller is used for receiving a first user instruction (a cold-boiled instruction is received), and when the first user instruction is received, sending a first opening instruction to the first water pump 20 and the first electric control valve 21 respectively, the first water pump 20 and the first electric control valve 21 respectively receiving the first opening instruction and being opened simultaneously, the hot water supply waterway 1 is conducted, and water in the water tank 4 is heated by the heating device 5 and is sent to the water containing box 7;

after a first preset time period passes after the first water pump 20 and the first electric control valve 21 are opened, the controller respectively sends a first closing instruction to the first water pump 20 and the first electric control valve 21 and respectively sends a second opening instruction to the second water pump 22 and the second electric control valve 23, and the first water pump 20 and the first electric control valve 21 respectively receive the first closing instruction and are closed at the same time so as to cut off the hot water supply waterway 1; the second water pump 22 and the second electric control valve 23 respectively receive a second opening instruction and are simultaneously opened, the primary cooling water channel 2 is conducted, and water in the water containing box 7 enters the secondary cooling water channel 3 to be cooled under the action of the second water pump 22;

after the second water pump 22 and the second electric control valve 23 are opened, after a second preset time period, the water in the second-stage cooling water channel 3 is cooled and boiled, the controller sends second closing instructions to the second water pump 22 and the second electric control valve 23 respectively, the second water pump 22 and the second electric control valve 23 receive the second closing instructions respectively and are closed simultaneously, the first-stage cooling water channel 2 is cut off, and the water in the second-stage cooling water channel 3 can be sent out for a user to drink.

In some embodiments, the controller is further electrically connected to the air pump 17, after the second water pump 22 and the second electrically controlled valve 23 are closed and the primary cooling water path 2 is cut off, the controller sends a third opening instruction to the air pump 17, the air pump 17 receives the third opening instruction sent by the controller and opens, the air pump 17 sends air to the secondary cooling water path 3, the cool boiled water in the secondary cooling water path 3 is sent to the cool boiled box 15, and the cool boiled water in the cool boiled box 15 can be directly discharged from the water outlet or the water outlet nozzle for a user to drink.

It can be understood that, because the cool boiled water box 15 is connected in series to the secondary cooling water path 3, the cool boiled water box 15 is provided with a water inlet and a water outlet 14, and the water outlet 14 is connected with a water outlet or a water outlet nozzle, so that the cool boiled water in the cool boiled water box 15 can be discharged through the water outlet and the water outlet nozzle.

The first preset time period and the second preset time period may be determined according to actual requirements, for example, if the amount of cool boiled water to be provided is large (for example, a plurality of cups), the first preset time period should be set longer (for tens of seconds or tens of seconds) to deliver the large amount of water in the water tank 4 to the heating device 5 for heating. If it is desired to provide a cup of cool boiled water, the first preset time period may be set short (a few seconds). The second preset time period may be determined according to the required cool boiled temperature, and may be relatively longer when the required cool boiled temperature is lower, and may be relatively shorter when the required cool boiled temperature is higher.

As shown in fig. 1 to 3, the hot water supply circuit 1 is further provided with a flow meter 6 for measuring the amount of water heated by the heating device 5. The controller may be further electrically connected to the flow meter 6, and the controller is configured to receive flow information of the water detected by the flow meter 6, and when the flow information reaches a first threshold value, the controller sends a first closing signal to the first suction pump 20 and the first electrically controlled valve 21 to stop the water supply from the water tank 4 to the hot water supply path 1.

As shown in fig. 1 to 3, a second water level sensor 19 is provided in the water tank 4, and the second water level sensor 19 is used to detect the water level of the water tank 4. The second water level sensor 19 can be electrically connected with the controller, the controller is also used for receiving the water level information of the water tank 4 detected by the second water level sensor 19, and the controller sends an opening and closing signal to the second water level sensor 19 according to the water level information, so that the water tank 4 keeps a certain water level, the water shortage of the water tank 4 is avoided, and the use of a user is influenced.

In some embodiments, as shown in fig. 1-3, the waterway system further includes a boiled water waterway 24 and a three-way valve 25. The three-way valve 25 is used for connecting the hot water supply waterway 1, the primary cooling waterway 2 and the boiled water waterway 24, and the free end of the boiled water waterway 24 is provided with a boiled water outlet. When a user needs boiled water, the boiled water outlet can be opened to receive the boiled water.

In some embodiments, the three-way valve 25 may be an electrically controlled valve, the three-way valve 25 being electrically connected to the controller. The controller is also used for receiving a second user instruction (a boiling water receiving instruction), when the controller receives the second user instruction, the controller sends a first switching instruction to the three-way valve 25, the three-way valve 25 is switched to a state that the hot water supply waterway 1 is communicated with the boiling water waterway 24, and the hot water supply waterway 1 is cut off from the primary cooling waterway 2; the controller simultaneously sends a first opening instruction to the first water pump 20 and the first electric control valve 21 respectively, the first water pump 20 and the first electric control valve 21 receive the first opening instruction and are opened simultaneously, the hot water supply waterway 1 is communicated, water in the water tank 4 enters the heating device 5 to be heated to form boiling water, and the boiling water flows into the boiling water waterway 24 through the three-way valve 25 to be taken by a user.

When the hot water supply waterway 1 is connected with the first-stage cooling waterway 2 through the three-way valve 25, the controller firstly sends a second switching instruction to the three-way valve 25 before receiving a first user instruction and controlling the first water pump 20 and the first electric control valve 21 to be opened, so that the three-way valve 25 is switched to a state that the hot water supply waterway 1 is cut off from the boiling water waterway 24 and the hot water supply waterway 1 is communicated with the first-stage cooling waterway 2. Therefore, the boiling water heated and formed by the heating device 5 can enter the first-stage cooling water channel 2 and the second-stage cooling water channel 3 in sequence to form cool boiled water, and cannot enter the boiling water channel 24.

The embodiment of the invention also provides a water dispenser which comprises a machine body and the waterway system for making the cool boiled water in any embodiment. The water dispenser can quickly provide cool boiled water and meet the requirements of users on drinking the cool boiled water. And when the waterway system is provided with the boiled water waterway 24, the boiled water can be provided for users, and the functions of the water dispenser are added.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims

1. The waterway system for making the cool boiled water is characterized by comprising a hot water supply waterway (1), a primary cooling waterway (2) and a secondary cooling waterway (3) which are sequentially connected, wherein a heating device (5) is arranged on the hot water supply waterway (1), and the heating device (5) is used for heating water flowing through the hot water supply waterway (1) into boiling water; the primary cooling water channel (2) is provided with a water containing box (7) for containing boiling water, and the water containing box (7) is used for releasing water vapor from the boiling water to perform primary cooling; and the second-stage cooling water channel (3) is provided with a heat exchanger, and the heat exchanger is used for carrying out second-stage cooling on the boiling water subjected to the first-stage cooling so as to form cool boiled water.

2. The waterway system for making cool boiled water according to claim 1, wherein the water containing box (7) comprises a box body and a box cover for closing the box body, the box body is connected in series with the primary cooling waterway (2) so as to enable the boiling water from the hot water supply waterway (1) to enter the water containing box (7); be equipped with the steam drain on the upper portion of box body and/or the lid, the steam drain is used for discharging the steam in the box body, so that boiling water cooling in the box body.

3. A water path system for making a cool boiled water according to claim 1, wherein the heat exchanger comprises an ice water tank (8), and cooling water is contained in the ice water tank (8); the secondary cooling water path (3) comprises a cooling pipe section positioned in the ice water tank (8), and hot water flows through the cooling pipe section and exchanges heat with cooling water in the ice water tank (8) to be cooled.

4. A waterway system for making a cool boiled water according to claim 3, wherein the cooling pipe section comprises a circuitous section (9) and a straight section (10), the circuitous section (9) is circuitous in a transverse direction from the top of the ice water tank (8) to the bottom of the ice water tank (8); the straight line section (10) is vertically arranged, the lower end of the straight line section (10) is connected with one end, located at the bottom of the ice water tank (8), of the roundabout section (9), and the other end of the straight line section extends out of the top of the ice water tank (8).

5. A water circuit system for making a cool and white boiled water according to claim 3, wherein an evaporator (11) is arranged in the ice water tank (8), and the evaporator (11) is used for refrigerating the cooling water in the ice water tank (8) so as to keep the cooling water at a preset temperature.

6. The waterway system for making cold and white boiled water according to claim 5, further comprising a circulation pipeline (26), wherein one end of the circulation pipeline (26) is connected with the bottom of the ice water tank (8), the other end of the circulation pipeline (26) is connected with the top of the ice water tank (8), a circulation water pump (27) is arranged on the circulation pipeline (26), and the circulation water pump (27) is used for conveying ice water at the bottom in the ice water tank (8) to the top in the ice water tank (8) through the circulation pipeline (26) so as to circulate the ice water in the ice water tank (8).

7. The waterway system for making the cool boiled water according to claim 3, wherein the secondary cooling waterway (3) is provided with a cool boiled box (15), the cool boiled box (15) is provided with an air outlet, and the cool boiled box (15) is positioned at the downstream of the cooling pipe section;

the water path system further comprises a gas path (16), an air pump (17) is arranged on the gas path (16), the air pump (17) is located at one end of the gas path (16), the other end of the gas path (16) is connected to the upper part of the cooling pipe section on the second-stage cooling water path (3), and the air pump (17) is used for sending water in the second-stage cooling water path (3) into the cool boiled box (15).

8. A waterway system for making cool boiled water according to claim 1, wherein the hot water supply waterway (1) is provided with a first suction pump (20) and a first electrically controlled valve (21), the first suction pump (20) and the first electrically controlled valve (21) are both located upstream of the heating device (5), and the first suction pump (20) is located upstream of the first electrically controlled valve (21); be equipped with second suction pump (22) and second automatically controlled valve (23) on one-level cooling water route (2), second suction pump (22) with second automatically controlled valve (23) all are located hold the low reaches of water box (7), just second suction pump (22) are located the low reaches of second automatically controlled valve (23).

9. The waterway system for making cool boiled water according to claim 8, wherein the waterway system further comprises a controller, the controller is configured to receive a first user command, and when receiving the first user command, send a first opening command to the first water pump (20) and the first electric control valve (21), the first water pump (20) and the first electric control valve (21) receive the first opening command and open at the same time, the hot water supply waterway (1) is connected, and water in the water tank (4) is heated by the heating device (5) and is sent to the water containing box (7);

after the first water suction pump (20) and the first electric control valve (21) are opened, a first preset time period passes, the controller respectively sends a first closing instruction to the first water suction pump (20) and the first electric control valve (21) and respectively sends a second opening instruction to the second water suction pump (22) and the second electric control valve (23), the first water suction pump (20) and the first electric control valve (21) respectively receive the first closing instruction and are closed at the same time, so that the hot water supply water path (1) is cut off, the second water suction pump (22) and the second electric control valve (23) respectively receive the second opening instruction and are opened at the same time, the first-stage cooling water path (2) is communicated, and water in the water containing box (7) enters the second-stage cooling water path (3) for cooling;

second suction pump (22) and second automatically controlled valve (23) open the back and pass through the second and predetermine the time quantum, the water in second grade cooling water route (3) forms cool and white boiling, the controller to second suction pump (22) and second automatically controlled valve (23) send the second respectively and close the instruction, second suction pump (22) and second automatically controlled valve (23) are received respectively the instruction is closed to the second and is closed simultaneously, one-level cooling water route (2) cut, the hydroenergy of second grade cooling water route (3) can outwards be sent out and supply the user to drink.

10. A waterway system for making a cool and white boiled water according to claim 1, further comprising a boiled water waterway (24) and a three-way valve (25), wherein the three-way valve (25) is used for connecting the hot water supply waterway (1), the primary cooling waterway (2) and the boiled water waterway (24).

11. A water dispenser comprising a machine body, characterized in that the water dispenser further comprises a waterway system for making cool boiled water of any one of claims 1 to 10.