CN218164914U - Waterway structure and heat purification all-in-one machine - Google Patents

Abstract

The application discloses waterway structure and clean hot all-in-one, waterway structure are equipped with former water inlet, normal atmospheric temperature delivery port and hot water delivery port, and waterway structure includes: a water storage tank provided with a tank inlet and a first outlet; the filter unit comprises a filter element and a booster pump, an outlet of the booster pump is connected with a filter inlet of the filter element through a water inlet pipe, the water inlet pipe penetrates through the water storage tank, and a filter outlet of the filter element is communicated with an inlet of the water tank; the heating unit comprises a heat preservation device and an instant heating device, a first outlet can be communicated with a water inlet of the instant heating device, a water outlet of the instant heating device is connected with a water inlet of the heat preservation device through a heat exchange water pipe, the heat exchange water pipe penetrates through the inside of the water storage tank, and a water outlet of the heat preservation device can be communicated with the water inlet of the instant heating device. The disclosed water route structure of this application can go out the heating to the boiling state through the cool white boiled water that the heat transfer cooling formed again, more suitably drinks, still helps improving the TDS value of the water yield of filter core, several cups of water before reducing.

Description

Waterway structure and heat purification all-in-one machine

Technical Field

The application relates to the technical field of water purification units, in particular to a water path structure and a heat purification all-in-one machine.

Background

Along with the economic development and the improvement of living standard, consumers pay more and more attention to healthy water and drinking water, and the use requirement on water is higher and higher. Water purifiers are increasingly accepted and favored by consumers as water treatment equipment capable of performing deep filtration and purification treatment on water according to the use requirements of water.

A heat and water purifying integrated machine appears in the market at present, so that consumers can receive normal-temperature purified water and hot water at the same time and gradually replace an old-fashioned water purifier with a single water purifying function. This kind of net hot all-in-one is inside to be equipped with the waterway structure that is used for realizing filtering capability and heating function, specifically, waterway structure includes filter unit and heating element, and the water purification that filter unit produced after with raw water filtration heats through heating element again to can realize hydrothermal function after inserting tap, but the waterway structure of net hot all-in-one still has some defects: the water heater can only regularly discharge normal-temperature purified water filtered from the filter element or hot water heated by the heating unit, and the temperature of the hot water is constant, so that various requirements of users cannot be met, particularly the requirements on cold boiled water, such as the cold boiled water at about 30 ℃ or about 50 ℃ which can be directly drunk, and the like; the water flow of the purified water filtered by the filtering unit becomes small, the heating power of the heating unit is limited, large-scale temperature rise of a large amount of water cannot be realized in a short time, the water supply amount to the faucet is insufficient, the water yield of the hot water of the faucet is small, the response speed is low, and the waiting time for water receiving of a user is long; to the waterway structure who adopts the reverse osmosis filter core, can there be the raw water simultaneously in the reverse osmosis filter core, waste water and pure water, and the concentration of the TDS (solubility solid total amount) of raw water and waste water will be far above the TDS of pure water, however, the reverse osmosis filter core is after shutting down and placing a period of time, will make the ion in raw water and the waste water can diffuse to pure water one side through the RO membrane, when causing the start-up use once more, the TDS value of several preceding cups of water exists on the high side and can't drink, cause the waste, also experience for the not good use of user.

SUMMERY OF THE UTILITY MODEL

The application provides a waterway structure and net hot all-in-one to solve at least one technical problem among the above-mentioned technical problem.

The technical scheme adopted by the application is as follows:

a waterway structure is provided with a raw water inlet, a normal temperature water outlet and a hot water outlet, and comprises: a water storage tank provided with a tank inlet and a first outlet; the filter unit comprises a filter element and a booster pump, an outlet of the booster pump is connected with a filtering inlet of the filter element through a water inlet pipe, the water inlet pipe penetrates through the water storage tank, and a filtering outlet of the filter element is communicated with an inlet of the water tank; the heating unit comprises a heat preservation device and an instant heating device, wherein the first outlet can be communicated with a water inlet of the instant heating device, a water outlet of the instant heating device is connected with a water inlet of the heat preservation device through a heat exchange water pipe, the heat exchange water pipe penetrates through the inside of the water storage tank, and a water outlet of the heat preservation device can be communicated with the water inlet of the instant heating device.

The waterway structure in this application still has following additional technical characteristics:

the heat exchange water pipe comprises an outer pipe section positioned outside the water storage tank and an inner pipe section positioned inside the water storage tank, and the inner pipe section is of a spiral structure.

The filter core is equipped with the waste water export, waterway structure still include with waste water exit linkage's waste water discharge pipe, waste water discharge pipe passes the storage water tank.

The raw water inlet with connect through first solenoid valve between the entry of booster pump, the storage water tank is equipped with the second export, the second export with connect through the second solenoid valve between the normal atmospheric temperature delivery port.

The water path between the first outlet and the water inlet of the instant heating device is provided with a third electromagnetic valve, the water path structure further comprises an electromagnetic directional valve, the inlet of the electromagnetic directional valve is connected with the water outlet of the instant heating device, the first outlet of the electromagnetic directional valve is connected with the heat exchange water pipe, and the second outlet of the electromagnetic directional valve is connected with the hot water outlet.

And a one-way check piece is arranged on a fluid path between the filtering outlet and the water tank inlet and enables the filtering outlet to be communicated with the water tank inlet in a one-way mode.

And a water suction pump is arranged between the water outlet of the heat preservation device and the water inlet of the instant heating device.

And a temperature sensor for detecting water temperature is arranged in the water storage tank.

The filter element is a reverse osmosis filter element; or, the filter core is a composite filter core containing a reverse osmosis filter core.

The application provides a net hot all-in-one, including going out tap, net hot all-in-one still include as before waterway structure, waterway structure with it connects to go out tap.

Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:

1. in the water route structure that this application provided, be provided with the storage water tank between the filtration export of filter core and the instant heating device, the water purification that the filter core filtered off can be stored in the storage water tank in advance, when the water end needs hot water, can let in the water in the storage water tank fast and in a large number instant heating device heats, need not to wait for the filter core to filter, promoted the water yield and the response speed of water end, it is long when shortening user's water receiving and waiting. In addition, boiling water after the instant heating device heating can also get into the heat preservation device through the heat transfer water pipe and preserve and keep warm, and inside the heat transfer water pipe passed the storage water tank, then the inside normal atmospheric temperature water of storage water tank and the hot water in the heat transfer water pipe can carry out the heat transfer, the water in the storage water tank heaies up and the water cooling in the heat transfer water pipe, for example, can deposit the heat preservation device after the boiling water cooling in the heat transfer water pipe reaches 40 ℃ to 50 ℃, when the water end takes 50 ℃ of water, can let in the water in the heat preservation device and supply the hot water delivery port after the short time heating, thereby make the water end go out 50 ℃ of water, and the water that flows out is for heating to boiling state again through the cool white boiling water that the heat transfer cooling formed, more suitably drink. In addition, this application still passes the storage water tank with the inlet tube between booster pump and the filter core inside, can be at the in-process of storage water tank and heat transfer water pipe heat transfer, and the raw water in the inlet tube can realize the cooling to the inside water after the heat transfer heaies up of storage water tank, and the raw water in the inlet tube has certain temperature rise, helps improving the water yield of filter core department.

2. As an preferred mode of this application, be the heliciform structure through the interior pipeline section that is located storage water tank inside that makes heat transfer water pipe, increased the area of contact of normal atmospheric temperature water in heat transfer water pipe and the storage water tank, also prolonged the rivers route of hot water in the heat transfer water pipe in the storage water tank to help improving the heat exchange efficiency between the interior normal atmospheric temperature water of storage water tank and the interior hot water of heat transfer water pipe, shorten waterway structure's operating duration, practice thrift the energy consumption.

3. As an preferred mode of this application, through passing the waste water discharge pipe the storage water tank, can make the waste water of waste water discharge pipe of flowing through realize the cooling to the inside water after the heat transfer intensification of storage water tank together with the raw water of the inlet tube of flowing through, avoid the temperature in the storage water tank too high and reduce with hot-water heat transfer effect and heat exchange efficiency in the heat exchange water pipe.

4. As an preferred mode of this application, the second export of storage water tank is passed through the second solenoid valve and is connected with the normal atmospheric temperature delivery port, the storage water tank provides normal atmospheric temperature water to the normal atmospheric temperature delivery port, can also make out normal atmospheric temperature water and raw water filter go on simultaneously, can not only use the large-traffic normal atmospheric temperature water in water end, can cross the filter element filtration through the storage water tank and dilute the pure water, thereby guarantee that the TDS of the preceding several cups of water after purifying for a long time can not climb, reach the quality of water that suitably drinks, can not cause the waste, promote user experience.

5. As an optimal mode of this application, utilize first solenoid valve, second solenoid valve, third solenoid valve, electromagnetic directional valve to realize rivers break-make, the heating control in the waterway structure, make whole waterway structure pass through the circuit on-off control of each valve, flexible operation, convenient.

6. As a preferable mode of the application, the temperature sensor for detecting the water temperature is arranged in the water storage tank, so that the water temperature in the water storage tank can be conveniently detected, and the temperature rise in the water storage tank can be reduced by adopting a certain strategy when the overhigh water temperature in the water storage tank is detected.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a first schematic view of a waterway structure provided in an embodiment of the present application;

fig. 2 is a first schematic view illustrating an operation state of the waterway structure according to an embodiment of the present application;

fig. 3 is a schematic view illustrating an operation state of the waterway structure according to an embodiment of the present application.

Reference numerals:

11 raw water inlet, 12 normal temperature water outlet and 13 hot water outlet;

2, a water storage tank;

31 filter element, 32 booster pump;

41 water inlet pipe, 42 heat exchange water pipe and 43 waste water discharge pipe;

51 heat preservation device, 52 instant heating device;

61 a first solenoid valve, 62 a second solenoid valve, 63 a third solenoid valve, 64 a solenoid directional valve;

7, a one-way check piece;

8 water pump.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "transverse", "longitudinal", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the embodiment of the application, a waterway structure and a heat-purifying all-in-one machine are provided, and for convenience of explanation and understanding, the following contents are provided on the basis of the structure of the product shown in the drawing. Of course, it is understood by those skilled in the art that the above-described structure is only used as a specific example and illustrative illustration, and does not constitute a specific limitation to the technical solution provided by the present application.

As shown in fig. 1 to 3, the waterway structure provided by the present application is provided with a raw water inlet 11, a normal temperature water outlet 12 and a hot water outlet 13, and includes a water storage tank 2, a filtering unit and a heating unit, wherein: the water storage tank 2 is provided with a water tank inlet and a first outlet; the filtering unit comprises a filter element 31 and a booster pump 32, an outlet of the booster pump 32 is connected with a filtering inlet of the filter element 31 through a water inlet pipe 41, the water inlet pipe 41 penetrates through the inside of the water storage tank 2, and a filtering outlet of the filter element 31 is communicated with an inlet of the water tank; the heating unit comprises a heat preservation device 51 and an instant heating device 52, the first outlet can be communicated with a water inlet of the instant heating device 52, a water outlet of the instant heating device 52 is connected with a water inlet of the heat preservation device 51 through a heat exchange water pipe 42, the heat exchange water pipe 42 penetrates through the inside of the water storage tank 2, and a water outlet of the heat preservation device 51 can be communicated with a water inlet of the instant heating device 52.

In the waterway structure that this application provided, it is equipped with the raw water inlet 11 that is used for advancing raw water, is used for going out the normal atmospheric temperature delivery port 12 of normal atmospheric temperature water purification and is used for going out hydrothermal hot water delivery port 13, and wherein, raw water inlet 11 can be connected with municipal tap, and normal atmospheric temperature delivery port 12 both can be connected with the filtration exit linkage of filter core 31, also can be connected with storage water tank 2, and hot water delivery port 13 is connected with instant heating device 52's delivery port.

The water path structure is provided with storage water tank 2 between the filtration export of filter core 31 and instant heating device 52, and the water purification that filter core 31 crossed the filter can be stored in storage water tank 2 in advance, when the end of using water needs hot water, can let in instant heating device 52 with the water in storage water tank 2 fast and in a large number and heat, need not to wait that filter core 31 filters, has promoted the water yield and the response speed of end of using water, shortens user's water receiving and waits for duration.

In addition, the boiling water heated by the instant heating device 52 can enter the heat preservation device 51 through the heat exchange water pipe 42 for preservation and heat preservation, and the heat exchange water pipe 42 penetrates through the inside of the water storage tank 2, so that the normal-temperature water inside the water storage tank 2 and the hot water inside the heat exchange water pipe 42 can exchange heat, the water inside the water storage tank 2 is heated, and the water inside the heat exchange water pipe 42 is cooled, for example, the boiling water inside the heat exchange water pipe 42 can be cooled to 40 ℃ to 50 ℃ and then stored in the heat preservation device 51, when the water end takes 50 ℃ water, the water inside the heat preservation device 51 can be introduced into the instant heating device 52 and is supplied to the hot water outlet 13 after being heated for a short time, so that the water outlet end takes 50 ℃ water, the water flowing out of the hot water outlet 13 is cool boiled water formed by heating to a boiling state and then being subjected to heat exchange and cooling through heat preservation, and is more suitable for drinking, the water inside the heat preservation device 51 has a certain heat preservation temperature, the warm water supplied to the instant heating device 52 has a much shorter time for secondary heating than the cold water, the heating efficiency is improved, the energy consumption required by the instant heating device 52 can be reduced, and the energy consumption can be saved.

In addition, this application still passes storage water tank 2 inside with inlet tube 41 between booster pump 32 and the filter core 31, can be at storage water tank 2 and the in-process of heat transfer water pipe 42 heat transfer, the raw water in the inlet tube 41 can realize the cooling to the inside water after the heat transfer intensification of storage water tank 2, and the raw water in the inlet tube 41 has certain temperature rise, helps improving the water yield (along with the temperature rise of water, the viscosity of water (viscosity system nature) then reduces. Under the same operating pressure, the temperature returns and increases 1 ℃, the water yield just has the increase of certain degree).

It should be noted that, the structure of the filter element 31 is not limited in the present application, and a filter element made of a single material, such as a PP filter element, an activated carbon filter element, etc., may be adopted. As a preferred embodiment, the filter element 31 can be a reverse osmosis filter element, or the filter element 31 is a composite filter element including a reverse osmosis filter element, for example, a composite filter element composed of activated carbon and a reverse osmosis filter element, and the like, so that the filter effect is better and the water quality is better.

As a preferred embodiment of the present application, the heat exchange water pipe 42 may include an outer pipe section located outside the water storage tank 2 and an inner pipe section located inside the water storage tank 2, and the inner pipe section has a spiral structure.

Those skilled in the art can understand that the inner pipe section of the heat exchange water pipe 42 inside the water storage tank 2 is of a spiral structure, so that the contact area of the heat exchange water pipe 42 and the water in the water storage tank 2 is increased, and the water flow path of the hot water in the heat exchange water pipe 42 in the water storage tank 2 is also prolonged, thereby facilitating the improvement of the heat exchange efficiency between the hot water in the water storage tank 2 and the water in the heat exchange water pipe 42, shortening the operation time of the water path structure and saving energy consumption.

As a preferred embodiment of the present application, as shown in fig. 1, it is also possible to provide the filter element 31 with a waste water outlet, and the waterway structure further includes a waste water discharge pipe 43 connected to the waste water outlet, and the waste water discharge pipe 43 passes through the storage tank 2.

Those skilled in the art can understand that the waste water outlet can be used for discharging the waste water generated when the filter element 31 is filtered, and the waste water discharging pipe 43 passes through the water storage tank 2, so that the waste water flowing through the waste water discharging pipe 43 and the raw water flowing through the water inlet pipe 41 can cool the water inside the water storage tank 2 after heat exchange and temperature rise, thereby avoiding the problem that the water temperature in the water storage tank 2 is too high and the heat exchange effect and the heat exchange efficiency of the hot water in the heat exchange water pipe 42 are reduced.

As a preferred embodiment of the present application, as shown in fig. 1, the raw water inlet 11 and the inlet of the booster pump 32 may be connected through a first solenoid valve 61, the water storage tank 2 is provided with a second outlet, and the second outlet is connected to the normal temperature water outlet 12 through a second solenoid valve 62.

Wherein, first solenoid valve 61 is used for controlling the water route break-make of raw water inlet 11 to booster pump 32 department, and second solenoid valve 62 is used for controlling the water route break-make of storage water tank 2 to normal atmospheric temperature delivery port 12, and when the user need take normal atmospheric temperature water, as shown in figure 2, all open first solenoid valve 61, second solenoid valve 62, and booster pump 32 operation can be filtered, while from normal atmospheric temperature delivery port 12 play water. Moreover, storage water tank 2 provides normal atmospheric temperature water to normal atmospheric temperature delivery port 12, and normal atmospheric temperature water and raw water filter go on simultaneously, can not only use the large-traffic normal atmospheric temperature water in water end, can cross the pure water through storage water tank 2 to filter 31 off and dilute to guarantee that the TDS of the preceding several cups of water after purifying for a long time can not climb, reach the quality of water that suitably drinks, can not cause the waste, promote user experience.

As a preferred embodiment of the present embodiment, as shown in fig. 1, a third electromagnetic valve 63 may be disposed on a fluid path between the first outlet and the water inlet of the instant heating device 52, the water path structure further includes an electromagnetic directional valve 64, an inlet of the electromagnetic directional valve 64 is connected to the water outlet of the instant heating device 52, a first outlet of the electromagnetic directional valve 64 is connected to the heat exchange water pipe 42, and a second outlet of the electromagnetic directional valve 64 is connected to the hot water outlet 13.

The third electromagnetic valve 63 is used for controlling the on-off of a water path between the water storage tank 2 and the instant heating device 52, and the electromagnetic directional valve 64 is used for controlling the on-off of the water path at the water outlet of the instant heating device 52 and controlling the water outlet direction of the instant heating device 52, including the water outlet direction of water to the hot water outlet 13 and the water outlet direction of water to the heat preservation device 51. When the instantaneous water heater 52 is required to discharge water to the heat preservation device 51, as shown in fig. 3, the first electromagnetic valve 61 and the third electromagnetic valve 63 are opened, and the first outlet of the electromagnetic directional valve 64 is opened, at this time, water in the water storage tank 2 is introduced into the instantaneous water heater 52 to be heated to a boiling state, raw water enters the water filtered by the filter element 31 and is supplemented into the water storage tank 2, wastewater is discharged through the wastewater discharge pipe 43, water heated by the instantaneous water heater 52 is introduced into the heat preservation device 51 through the heat exchange water pipe 42 to be preserved in heat, normal-temperature water in the water storage tank 2 exchanges heat with boiling water in the heat exchange water pipe 42, and the raw water flowing through the water inlet pipe 41 and the wastewater flowing through the wastewater discharge pipe 43 together cool the water in the water storage tank 2. In addition, the first electromagnetic valve 61, the second electromagnetic valve 62, the third electromagnetic valve 63 and the electromagnetic directional valve 64 are utilized to realize water flow on-off and heating control in the water path structure, so that the whole water path structure is controlled by the on-off of the circuits of all the valves, and the operation is flexible and convenient.

As a preferred example of the present embodiment, as shown in fig. 1, a one-way check member 7 is provided in a fluid path between the filtration outlet and the tank inlet, and the one-way check member 7 makes the filtration outlet and the tank inlet conduct in one direction. The one-way check piece 7 can be a one-way valve and the like, and the filter element 31 is communicated with the water storage tank 2 in one way through the one-way check piece 7, so that the backflow caused by the water in the water storage tank 2 after the water is full is avoided.

As a preferred embodiment in the present embodiment, as shown in fig. 1, a water pump 8 is disposed between the water outlet of the thermal insulation device 51 and the water inlet of the instant heating device 52, and the water pump 8 can be used to pump water from the thermal insulation device 51 into the instant heating device 52.

Although not shown in the drawings, a temperature sensor for detecting the temperature of water may be disposed in the water storage tank.

The technical personnel in the field can understand that through being equipped with the temperature sensor who is used for detecting the temperature in the storage water tank, be convenient for detect the temperature in the storage water tank to adopt certain tactics to reduce the temperature rise in the storage water tank when detecting the temperature in the storage water tank when too high, for example, when the temperature in the storage water tank is too high, can make waterway structure send alarm information, in order to indicate the user can stand a period of time and use, or make waterway structure suspend operation heat preservation function, can continue to make the water after the heat preservation device heats flow to heat preservation device when the temperature in the storage water tank reduces to reasonable temperature.

The application provides a net hot all-in-one, including going out tap, net hot all-in-one still include as before waterway structure, waterway structure with it connects to go out tap. Specifically, the heat and water purifying integrated machine can comprise a plurality of water outlets, for example, a normal temperature water faucet and a hot water faucet, and the normal temperature water outlet 12 can be connected with the normal temperature water faucet, and the hot water outlet 13 can be connected with the hot water faucet. Of course, the heat-purifying integrated machine can also comprise a water outlet faucet, and a normal-temperature water pipe connected with the normal-temperature water outlet 12 and a hot-water pipe connected with the hot-water outlet 13 are arranged in the water outlet faucet.

It should be noted that, because the heat and water purifying integrated machine provided by the present application includes the water path structure in any one of the above embodiments and embodiments, the beneficial effects of the water path structure are all included in the heat and water purifying integrated machine provided by the present application, and are not described herein again.

Where not mentioned in this application, can be accomplished using or referencing existing technology.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a waterway structure, its characterized in that, it is equipped with raw water inlet, normal atmospheric temperature delivery port and hot water delivery port, includes:

a water storage tank provided with a tank inlet and a first outlet;

the filter unit comprises a filter element and a booster pump, an outlet of the booster pump is connected with a filtering inlet of the filter element through a water inlet pipe, the water inlet pipe penetrates through the water storage tank, and a filtering outlet of the filter element is communicated with an inlet of the water tank;

the heating unit comprises a heat preservation device and an instant heating device, wherein the first outlet can be communicated with a water inlet of the instant heating device, a water outlet of the instant heating device is connected with a water inlet of the heat preservation device through a heat exchange water pipe, the heat exchange water pipe penetrates through the inside of the water storage tank, and a water outlet of the heat preservation device can be communicated with the water inlet of the instant heating device.

2. The waterway structure of claim 1,

the heat exchange water pipe comprises an outer pipe section positioned outside the water storage tank and an inner pipe section positioned inside the water storage tank, and the inner pipe section is of a spiral structure.

3. The waterway structure of claim 1,

the filter core is equipped with the waste water export, waterway structure still include with waste water exit linkage's waste water discharge pipe, waste water discharge pipe passes the storage water tank.

4. The waterway structure of claim 1,

the raw water inlet with connect through first solenoid valve between the entry of booster pump, the storage water tank is equipped with the second export, the second export with connect through the second solenoid valve between the normal atmospheric temperature delivery port.

5. The waterway structure of claim 4,

the water path between the first outlet and the water inlet of the instant heating device is provided with a third electromagnetic valve, the water path structure further comprises an electromagnetic directional valve, the inlet of the electromagnetic directional valve is connected with the water outlet of the instant heating device, the first outlet of the electromagnetic directional valve is connected with the heat exchange water pipe, and the second outlet of the electromagnetic directional valve is connected with the hot water outlet.

6. The waterway structure of claim 4,

and a one-way check piece is arranged on a fluid path between the filtering outlet and the water tank inlet, and the one-way check piece enables the filtering outlet to be communicated with the water tank inlet in a one-way mode.

7. The waterway structure of claim 4,

and a water suction pump is arranged between the water outlet of the heat preservation device and the water inlet of the instant heating device.

8. The waterway structure of claim 1,

and a temperature sensor for detecting water temperature is arranged in the water storage tank.

9. Waterway structure according to any of claims 1 to 8,

the filter element is a reverse osmosis filter element; or,

the filter element is a composite filter element comprising a reverse osmosis filter element.

10. A machine for purifying and heating comprising a water outlet tap, characterized in that the machine further comprises a waterway structure according to any one of claims 1 to 9, the waterway structure being connected to the water outlet tap.

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