CN218968941U

CN218968941U - Cold and hot double-water-outlet waterway system with warm water flushing function and water purifier

Info

Publication number: CN218968941U
Application number: CN202223488732.9U
Authority: CN
Inventors: 任富佳; 王轩; 胡进华; 陈旋; 陈天
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05
Anticipated expiration: 2032-12-21

Abstract

The embodiment of the utility model discloses a cold and hot double-water-outlet waterway system with warm water flushing and a water purifier, wherein the waterway system comprises a normal-temperature water waterway and a hot water waterway, the normal-temperature water waterway is used for producing warm water, and the hot water waterway is used for producing hot water; the hot water waterway also comprises a heating waterway which is positioned behind the public waterway along the water flow path; the heating water path is provided with a heating body which is used for heating and outputting the water body provided on the public water path. The embodiment of the utility model solves the problems that the existing water purifier with the instant heating function needs to be provided with the water tank for storing purified water, so that bacteria are easy to breed and the integration level is poor, realizes the instant heating function of the water purifier, reduces the volume of the water purifier, and can ensure the safety and sanitation of the prepared purified water.

Description

Cold and hot double-water-outlet waterway system with warm water flushing function and water purifier

Technical Field

The embodiment of the utility model relates to the technical field of water purification, in particular to a cold and hot water outlet waterway system with warm water flushing and a water purifier.

Background

Along with the improvement of living standard, people pay more attention to the safety problem of drinking water, and the quality of water is closely related to the health of people, so the demands of water purifying equipment are increasing. The existing water purifier has the general function of mainly providing normal-temperature purified drinking water, and cannot meet the demands of people on hot purified water. Therefore, it is particularly important to provide a water purifier with an instant heating function.

The existing water purifier with heating function is generally provided with a water tank for storing purified water, and the purified water in the water tank is heated by a heater so as to provide hot water for users. However, the water tank for storing purified water is used for a long time to grow a large amount of bacteria, has potential safety hazard to the health of long-term drinkers, and simultaneously, the water tank can occupy the area of the water purifier, resulting in poor integration level of the water purifier.

Disclosure of Invention

The utility model provides a cold and hot water outlet waterway system with warm water flushing and a water purifier, which are used for solving the defects in the prior art, realizing the purification, namely the heating of the water purifier, ensuring the safety and the sanitation of the prepared pure water, reducing the volume of the water purifier and improving the integration level.

In a first aspect, an embodiment of the present utility model provides a cold and hot water outlet waterway system with warm water flushing, including a normal temperature water waterway for producing warm water and a hot water waterway for producing hot water;

the normal-temperature water waterway and part of waterways in the hot water waterway form a public waterway together, the hot water waterway further comprises a heating waterway, and the heating waterway is positioned behind the public waterway along a water flow path;

the heating waterway is provided with a heating body which is used for heating and outputting the water body provided on the public waterway.

Optionally, the public waterway further comprises a pressure relief waterway and a water outlet waterway, wherein one end of the water outlet waterway is used for water inflow, and the other end of the water outlet waterway is respectively connected with the normal-temperature water waterway and the hot water waterway;

the pressure relief water route is one-way switched on from the first end to the second end, the first end and the second end of the pressure relief water route are respectively connected with the water outlet water route, and on the water flow path of the water outlet water route, the connection position of the first end is positioned behind the connection position of the second end.

Optionally, the public waterway comprises an RO filter element, and the RO filter element is used for RO reverse osmosis filtration;

the heating waterway further comprises a water suction pump and a flowmeter, wherein the water suction pump and the flowmeter are sequentially arranged on a water inlet pipeline in front of the heating body.

Optionally, the first end of the pressure relief waterway is connected with a water outlet pipeline of the RO filter element, and the second end is connected with a water inlet pipeline of the RO filter element.

Optionally, a first check valve is disposed in the pressure relief waterway, and the first check valve is unidirectional on along a water flow path from the first end to the second end of the pressure relief waterway.

the cold and hot double-water-outlet waterway system further comprises a flushing waterway, wherein one end of the flushing waterway is connected with a water outlet pipeline positioned behind the heating body in the heating waterway, and the other end of the flushing waterway is connected with a water inlet pipeline positioned in front of the RO filter element in the public waterway; the flushing waterway is used for guiding the water body of the heating waterway into a water inlet pipeline in front of the RO filter element so as to flush the RO filter element.

Optionally, the flushing waterway comprises a flushing electromagnetic valve and a second one-way valve, and the flushing electromagnetic valve and the second one-way valve are sequentially connected between an outlet pipeline positioned behind the heating body in the heating waterway and an inlet pipeline positioned in front of the RO filter element in the public waterway.

the public waterway further comprises a water inlet electromagnetic valve and a booster pump, wherein the water inlet electromagnetic valve and the booster pump are sequentially connected to a water inlet pipeline positioned in front of the RO filter element in the public waterway; the water inlet electromagnetic valve is used for controlling the public waterway to be conducted or cut off, and the booster pump is used for increasing water pressure.

Optionally, the public waterway further comprises a composite filter element, wherein the composite filter element comprises a front filter element and a rear filter element;

along the water flow path of the public waterway, the composite filter element is positioned in front of the water inlet electromagnetic valve, the preposed filter element is positioned in front of the RO filter element, and the postposed filter element is positioned behind the RO filter element.

Optionally, the composite filter element comprises a first water inlet, a first water outlet, a second water inlet and a second water outlet;

the first water inlet is used for introducing raw water, the raw water is purified by the front filter element and then discharged by the first water outlet, the raw water enters the residual waterway of the public waterway through the booster pump and the RO filter element, and the raw water is purified by the rear filter element and then discharged by the second water outlet.

Optionally, the public waterway further comprises a pressure reducing valve and a low-pressure switch, and the pressure reducing valve and the low-pressure switch are respectively connected to a water inlet pipeline of the public waterway, which is positioned in front of the composite filter element; the pressure reducing valve is used for reducing the water pressure of the raw water end, and the low-pressure switch is used for monitoring the water pressure value.

the cold and hot double-water-outlet waterway system further comprises a concentrated water waterway, the RO filter element comprises a concentrated water outlet, and the concentrated water waterway is connected with the concentrated water outlet; the concentrated water waterway is used for discharging concentrated water.

Optionally, the normal temperature water channel further comprises a normal temperature water valve, and the normal temperature water valve is arranged on a water outlet pipeline positioned behind the public water channel in the normal temperature water channel and used for controlling the conduction or the cut-off of the normal temperature water channel.

Optionally, the hot water waterway further comprises a hot water valve, and the hot water valve is arranged on a water outlet pipeline positioned behind the heating body in the hot water waterway and used for controlling the on/off of the hot water waterway.

Optionally, the cold and hot double-water-outlet waterway system further comprises an intelligent faucet, wherein the intelligent faucet is respectively connected with the normal-temperature water and the water outlet of the hot water waterway.

In a second aspect, the embodiment of the utility model also provides a water purifier, which comprises any of the cold and hot water outlet waterway systems provided by the embodiment of the utility model.

According to the technical scheme provided by the embodiment of the utility model, the waterway system comprises a normal-temperature water waterway and a hot water waterway, wherein the normal-temperature water waterway is used for producing the hot water, and the hot water waterway is used for producing the hot water; the hot water waterway also comprises a heating waterway which is positioned behind the public waterway along the water flow path; the heating water path is provided with a heating body which is used for heating and outputting the water body provided on the public water path. The embodiment can realize the heating function without using a water tank, solves the problems that the existing water purifier with the instant heating function needs to be provided with a water tank for storing purified water, thereby causing easy bacteria breeding and poor integration level, realizing instant purification and instant heating of the water purifier, ensuring the safety and sanitation of the prepared purified water, reducing the volume of the water purifier and improving the integration level.

Drawings

Fig. 1 is a schematic structural diagram of a cold and hot water outlet waterway system with warm water flushing according to an embodiment of the present utility model;

1-heating body, 2-RO filter core, 3-suction pump, 4-flowmeter, 5-first check valve, 6-flushing solenoid valve, 7-second check valve, 8-water inlet solenoid valve, 9-booster pump, 10-compound filter core, 11-relief valve, 12-low pressure switch, 13-normal temperature water valve, 14-hot water valve, 15-dense water valve.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

Fig. 1 is a schematic structural diagram of a cold and hot water outlet waterway system with warm water flushing according to an embodiment of the present utility model, and referring to fig. 1, the waterway system includes a normal-temperature water waterway for producing warm water and a hot water waterway for producing hot water; the hot water waterway also comprises a heating waterway which is positioned behind the public waterway along the water flow path; the heating water path is provided with a heating body 1, and the heating body 1 is used for heating and outputting the water body provided on the public waterway.

The normal-temperature water channel is used for directly outputting pure water obtained after raw water purification into normal-temperature water, and the hot water channel is used for heating the pure water obtained after raw water purification and outputting the pure water into hot water. The hot water waterway and the cold water waterway are partially shared, and the shared waterways form a public waterway. Along the water flow path, after the public waterway, the hot water waterway further comprises a heating waterway, the heating body 1 is used for heating pure water provided on the public waterway, and the pure water is heated by the heating body 1 and then is output as hot water.

As shown in fig. 1, since the hot water waterway of the waterway system provided in this embodiment includes a heating waterway, the heating waterway is provided with a heating body 1, and the heating body 1 directly heats pure water in the waterway and then outputs the heated water, thereby realizing a heating function without using a heating water tank, avoiding the problem that bacteria are easily bred in the water tank after long-term use, and simultaneously, increasing the overall integration level, thereby being beneficial to reducing the overall volume.

In the technical scheme, the waterway system comprises a normal-temperature water waterway and a hot water waterway, wherein the normal-temperature water waterway is used for producing the warm water, and the hot water waterway is used for producing the hot water; the hot water waterway also comprises a heating waterway which is positioned behind the public waterway along the water flow path; the heating water path is provided with a heating body which is used for heating and outputting the water body provided on the public water path. The embodiment can realize the heating function without using a water tank, solves the problems that the existing water purifier with the instant heating function needs to be provided with a water tank for storing purified water, thereby causing easy bacteria breeding and poor integration level, realizing instant purification and instant heating of the water purifier, ensuring the safety and sanitation of the prepared purified water, reducing the volume of the water purifier and improving the integration level.

With continued reference to fig. 1, optionally, the public waterway further includes a pressure relief waterway and a water outlet waterway, wherein one end of the water outlet waterway is filled with water, and the other end of the water outlet waterway is connected with the normal-temperature water waterway and the hot water waterway respectively; the first end and the second end of the pressure relief waterway are respectively connected with the water outlet waterway, and the connecting position of the first end is positioned behind the connecting position of the second end on the water flow path of the water outlet waterway.

The water outlet waterway is used for providing pure water for the hot water waterway or the normal-temperature water waterway, and the pressure relief waterway is used for guiding the water body at the rear end of the water outlet waterway into the front end of the water outlet waterway so as to reduce the pressure at the rear end of the water outlet waterway.

With continued reference to fig. 1, the public waterway optionally includes an RO cartridge 2, the RO cartridge 2 being configured to perform RO reverse osmosis filtration. The heating waterway further comprises a water suction pump 3 and a flowmeter 4, wherein the water suction pump 3 and the flowmeter 4 are sequentially arranged on a water inlet pipeline in front of the heating body 1.

Wherein, suction pump 3 and flowmeter 4 set up in proper order in the inlet channel before heating member 1, and flowmeter 4 is used for controlling the operating power of suction pump 3 to the pure water flow in control heating water route. It should be noted that, the technical scheme provided in this embodiment can control the temperature of the prepared hot water. In an exemplary embodiment, the power of the water pump 3 can be controlled through the flowmeter 4, so that the flow rate of water entering the heating body 1 is controlled, and the water outlet temperature is controlled; in another exemplary embodiment, the water outlet temperature may also be controlled by adjusting the heating power of the heating body 1.

With continued reference to fig. 1, optionally, the first end of the pressure relief waterway is connected to the water outlet pipe of the RO filter element 2, and the second end is connected to the water inlet pipe of the RO filter element 2.

The RO filter element 2 is used for performing RO reverse osmosis filtration, the first end of the pressure relief waterway is connected with the water outlet pipeline of the RO filter element 2, the second end of the pressure relief waterway is connected with the water inlet pipeline of the RO filter element 2, the water flow direction of the pressure relief waterway is that the water outlet pipeline of the RO filter element 2 flows into the water inlet pipeline of the RO filter element 2, in an alternative embodiment, a first one-way valve 5 is arranged in the pressure relief waterway, the first one-way valve 5 is in one-way conduction along the water flow path from the first end to the second end of the pressure relief waterway, and therefore the water flow direction of the pressure relief waterway is controlled to be that the water outlet pipeline of the RO filter element 2 flows into the water inlet pipeline of the RO filter element 2.

It should be noted that, because the flow rates of the waterway systems before and after the water pump 3 are inconsistent, the waterway system at the front side of the water pump 3, that is, the pressure before the water pump 3 is generated due to accumulation of pure water in the outlet water pipeline of the RO filter element 2, causes the pressure value of the waterway system at the position to be greater than that of the waterway system at the position of the check valve, so that the pure water in the outlet water pipeline of the RO filter element 2 can be led into the inlet water pipeline of the RO filter element 2 through the first check valve 5 of the pressure relief waterway, and the pressure in the outlet water pipeline of the RO filter element 2 is reduced.

With continued reference to FIG. 1, optionally, the public waterway includes an RO filter 2, the RO filter 2 being adapted for RO reverse osmosis filtration; the cold and hot double-water-outlet waterway system further comprises a flushing waterway, one end of the flushing waterway is connected with a water outlet pipeline positioned behind the heating body 1 in the heating waterway, and the other end of the flushing waterway is connected with a water inlet pipeline positioned in front of the RO filter element 2 in the public waterway; the flushing waterway is used for guiding the water body of the heating waterway into a water inlet pipeline in front of the RO filter element 2 so as to flush the RO filter element 2.

In fact, in the long-term use process of the RO membrane, small molecular substances blocked by filtration of the RO membrane can continuously block and pollute the RO membrane, so that the desalination rate of the RO membrane is reduced, the purity of the prepared pure water can be influenced, the heating body 1 can also generate scale, and the normal heating function is influenced, so that the RO filter element 2 is flushed by setting a flushing waterway. One end of the flushing waterway is connected with a water outlet pipeline positioned behind the heating body 1 in the heating waterway, and the other end of the flushing waterway is connected with a water inlet pipeline positioned in front of the RO filter element 2 in the public waterway, so that the water heated by the heating waterway is led into the water inlet pipeline positioned in front of the RO filter element 2, the heated water is mixed with raw water to form warm water, and then the RO filter element 2 is flushed.

With continued reference to fig. 1, optionally, the flushing waterway includes a flushing solenoid valve 6 and a second check valve 7, and the flushing solenoid valve 6 and the second check valve 7 are sequentially connected between a water outlet pipeline located behind the heating body 1 in the heating waterway and a water inlet pipeline located in front of the RO filter element 2 in the public waterway.

The flushing solenoid valve 6 is used for controlling the on and off of a flushing waterway, the second one-way valve 7 is used for controlling the water flow direction of the flushing waterway to be from a water outlet pipeline positioned behind the heating body 1 in the heating waterway to a water inlet pipeline positioned in front of the RO filter element 2 in the public waterway, so that water in the public waterway positioned in front of the RO filter element 2 is prevented from directly flowing into the water outlet pipeline positioned behind the heating body 1 in the heating waterway through the flushing waterway.

It should be noted that, when the flushing waterway provided in this embodiment may obtain a flushing instruction of a user, for example, when the user presses a flushing button of the device itself or a flushing function in the mobile phone APP, the corresponding device and valve are opened, and the flushing waterway starts to work; in addition, through the timing or counting function of the water purifier, when the water purifier works for preset times or preset time, corresponding equipment and valves are automatically opened, the flushing waterway starts to work, and after flushing is completed, the working times or working time is reset.

With continued reference to FIG. 1, optionally, the public waterway includes an RO filter 2, the RO filter 2 being adapted for RO reverse osmosis filtration; the public waterway further comprises a water inlet electromagnetic valve 8 and a booster pump 9, and the water inlet electromagnetic valve 8 and the booster pump 9 are sequentially connected to a water inlet pipeline positioned in front of the RO filter element 2 in the public waterway; the water inlet electromagnetic valve 8 is used for controlling the public waterway to be switched on or off, and the booster pump 9 is used for increasing the water pressure.

The water inlet electromagnetic valve 8 is used for controlling the on/off of the public waterway, when the waterway system executes the flushing function, the water inlet electromagnetic valve 8 can be closed, the flushing electromagnetic valve 6 can be opened, so that the hot water of the flushing branch is mixed with the normal-temperature water of the public waterway, and the RO filter element 2 is effectively flushed and cleaned. The booster pump 9 is a power device installed in the waterway system and used for increasing the pressure of water.

With continued reference to FIG. 1, optionally, the public waterway further includes a composite filter element 10, the composite filter element 10 including a pre-filter element and a post-filter element; along the water flow path of the public waterway, the composite filter element 10 is positioned in front of the water inlet electromagnetic valve 8, the front filter element is positioned in front of the RO filter element 2, and the rear filter element is positioned behind the RO filter element 2.

Optionally, the composite filter element 10 includes a first water inlet, a first water outlet, a second water inlet, and a second water outlet; the first water inlet is used for introducing raw water, the raw water is purified by the front filter element and then discharged by the first water outlet, and the raw water enters the residual waterway of the public waterway through the booster pump 9 and the RO filter element 2, and is purified by the rear filter element and then discharged by the second water outlet.

The composite filter element 10 includes a pre-filter element and a post-filter element, where the pre-filter element may specifically be a pp+cto filter element, and the post-filter element may specifically be a post-carbon filter element, which is not limited herein. Along the water flow path of public water route, the leading filter core is located before RO filter core 2 for carry out primary purification with the raw water, the rearmounted filter core is located behind the RO filter core 2, is used for purifying the water after the RO filter core 2 filters again, so, can reduce the pressure of other clarification plant in waterway system, reduce and consume the speed, help improving other clarification plant's life-span.

It can be understood that the first water inlet of the composite filter element 10 is a raw water inlet, namely, the raw water is responsible for introducing raw water, the raw water enters the residual water path of the public water path through the booster pump 9 and the RO filter element 2 after being purified by the front filter element in the composite filter element 10 of the public water path, and is discharged from the second water outlet after being purified by the rear filter element in the second water inlet, so that the water filtered by the RO filter element 2 is returned to the rear filter element of the composite filter element 10, namely, the rear filter element and the front filter element are combined to form the composite filter element 10, the integration level of the whole water path can be increased, and the whole volume is reduced.

With continued reference to fig. 1, optionally, the public waterway further includes a pressure reducing valve 11 and a low-pressure switch 12, the pressure reducing valve 11 and the low-pressure switch 12 are respectively connected to a water inlet pipeline of the public waterway before the composite filter element 10; the pressure reducing valve 11 is used for reducing the water pressure at the raw water end, and the low-pressure switch 12 is used for monitoring the water pressure value.

The pressure reducing valve 11 is used for reducing the water pressure at the raw water end, so that excessive water pressure and fast water flow are avoided. The low pressure switch 12 is used for detecting the water pressure value, so as to control the booster pump 9 to stop working when the detected water pressure is smaller than a preset value. The pressure reducing valve 11 is matched with the low-pressure switch 12 to ensure that the water pressure of the waterway system is maintained within a certain range, so that the booster pump 9 and the purifying devices can work normally, and the service lives of the booster pump 9 and the purifying devices are prolonged.

In addition to the normal-temperature water waterway and the hot water waterway, the waterway system of the embodiment of the utility model is also provided with a concentrated water waterway. Specifically, with continued reference to fig. 1, the public waterway includes an RO filter element 2, and the RO filter element 2 is used for performing RO reverse osmosis filtration; the cold and hot double-water-outlet waterway system also comprises a concentrated water waterway, and the RO filter element 2 comprises a concentrated water outlet which is connected with the concentrated water outlet; the concentrated water waterway is used for discharging the concentrated water. Optionally, the concentrate waterway includes a concentrate valve 15, and the concentrate valve 15 is used for controlling the flow of the concentrate waterway.

Specifically, after the raw water is filtered by the RO filter element 2, the generated wastewater enters a concentrated water channel through a concentrated water outlet of the RO filter element 2, and is discharged out of the water channel system.

It is also intended to supplement that the normal temperature water channel further comprises a normal temperature water valve 13, wherein the normal temperature water valve 13 is arranged on a water outlet pipeline positioned behind the public water channel in the normal temperature water channel and is used for controlling the on or off of the normal temperature water channel. The hot water waterway further comprises a hot water valve 14, wherein the hot water valve 14 is arranged on a water outlet pipeline positioned behind the heating body 1 in the hot water waterway and is used for controlling the on/off of the hot water waterway.

Optionally, the cold and hot water outlet waterway system further comprises an intelligent faucet, and the intelligent faucet is respectively connected with the hot water and the water outlet of the hot water waterway.

The intelligent water tap can control the water tap to produce the normal-temperature water or the hot water through buttons or touch, and can send an instruction for producing the normal-temperature water through a mobile phone APP and the like to control the intelligent water tap to produce the hot water through the mobile phone APP and the like. In addition, cell-phone APP etc. can also send the instruction of washing to intelligent tap, control waterway system and carry out the function of washing.

Specifically, when the intelligent faucet receives a command of outputting the normal temperature water, the normal temperature water valve 13 is controlled to be opened, and then all equipment and valves on the normal temperature water path are opened to prepare the normal temperature water. When the intelligent faucet receives a command for outputting hot water, the hot water valve 14 is controlled to be opened, and then all equipment and valves on the hot water pipeline are opened to prepare hot water.

Based on the cold and hot double-water-outlet waterway system, the working principle of the waterway system is summarized as follows:

1. when the machine is electrified, after the intelligent water faucet receives an instruction for preparing the warm water, the normal-temperature water valve 13 is opened, the water inlet electromagnetic valve 8 is opened, the hot water valve 14 and the flushing electromagnetic valve 6 are closed, the booster pump 9 and the rich water valve 15 are simultaneously opened, raw water is depressurized through the depressurization valve 11, raw water is pretreated through a preposed filter element of the composite filter element 10 from a raw water inlet, namely a first water inlet, the booster pump 9 and the RO filter element 2 are used for pressurizing and filtering the raw water to prepare pure water, and the pure water enters a postposition filter element of the composite filter element 10 through a public waterway to be treated and finally is discharged through the intelligent water faucet through the warm water valve.

2. When hot water is prepared, after a machine is electrified, when an intelligent water faucet receives an instruction for preparing the hot water, a hot water valve 14 is opened, a water inlet electromagnetic valve 8 is opened, a normal temperature water valve 13 and a flushing electromagnetic valve 6 are closed, a booster pump 9, a concentrate water valve 15, a water suction pump 3 and a heating body 1 are opened, raw water is depressurized through a depressurization valve 11, and is pretreated through a front filter element of a composite filter element 10 from a raw water inlet, pure water is prepared after pressurized filtration through the booster pump 9 and an RO filter element 2, after the prepared pure water enters a rear filter element of the composite filter element 10 through a public waterway, the flow is regulated through the water suction pump 3 and a flowmeter 4, and is finally discharged through the intelligent water faucet after being heated through the heating body 1 through the hot water valve 14.

3. When the flushing function is required to be executed, namely when the intelligent water faucet receives a flushing instruction, or when the automatic flushing time is reached according to the timing function in the water purifier, the flushing electromagnetic valve 6 is opened, the water inlet electromagnetic valve 8, the normal-temperature water valve 13 and the hot water valve 14 are closed, the booster pump 9, the rich water valve 15, the water suction pump 3 and the heating body 1 are opened, water heated by the heating body 1 flows back to a public waterway before the booster pump 9 through a flushing waterway, the returned hot water and normal-temperature water in the public waterway are mixed to form warm water, and after the warm water is pressurized through the booster pump 9, the warm water enters the RO filter element 2 to flush the RO filter element 2, and is discharged through the rich water valve 15.

Based on the same conception, the embodiment of the utility model also provides a water purifier which comprises the cold and hot water outlet waterway system with warm water flushing provided by any embodiment of the utility model, so that the water purifier can achieve the beneficial effects of the cold and hot water outlet waterway system with warm water flushing provided by the embodiment of the utility model, and the same points can be described with reference to the above.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements, combinations, and substitutions can be made by those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. The cold and hot water outlet waterway system with warm water flushing is characterized by comprising a warm water waterway and a hot water waterway, wherein the normal-temperature water waterway is used for producing warm water, and the hot water waterway is used for producing hot water;

the heating waterway is provided with a heating body (1), and the heating body (1) is used for heating and outputting the water body provided on the public waterway.

2. The cold and hot double-outlet water channel system according to claim 1, wherein the public water channel further comprises a pressure relief water channel and an outlet water channel, one end of the outlet water channel is used for water inflow, and the other end of the outlet water channel is respectively connected with the normal-temperature water channel and the hot water channel;

3. The cold and hot double-outlet water channel system according to claim 2, wherein the public water channel comprises an RO filter element (2), and the RO filter element (2) is used for performing RO reverse osmosis filtration;

the heating waterway further comprises a water suction pump (3) and a flowmeter (4), wherein the water suction pump (3) and the flowmeter (4) are sequentially arranged on a water inlet pipeline in front of the heating body (1).

4. A cold and hot double outlet water circuit according to claim 3, characterized in that the first end of the pressure relief water circuit is connected to the outlet conduit of the RO filter element (2) and the second end is connected to the inlet conduit of the RO filter element (2).

5. The cold and hot double-outlet waterway system according to claim 2, wherein a first check valve (5) is arranged in the pressure relief waterway, and the first check valve (5) is in one-way conduction along a water flow path from a first end to a second end of the pressure relief waterway.

6. The cold and hot double-outlet water path system according to claim 1, wherein the public water path comprises an RO filter element (2), the RO filter element (2) being used for performing RO reverse osmosis filtration;

the cold and hot double-water-outlet waterway system further comprises a flushing waterway, wherein one end of the flushing waterway is connected with a water outlet pipeline positioned behind the heating body (1) in the heating waterway, and the other end of the flushing waterway is connected with a water inlet pipeline positioned in front of the RO filter element (2) in the public waterway; the flushing waterway is used for guiding the water body of the heating waterway into a water inlet pipeline in front of the RO filter element (2) so as to flush the RO filter element (2).

7. The cold and hot double water outlet waterway system according to claim 6, characterized in that the flushing waterway comprises a flushing solenoid valve (6) and a second one-way valve (7), the flushing solenoid valve (6) and the second one-way valve (7) are connected in sequence between a water outlet pipeline located behind the heating body (1) in the heating waterway and a water inlet pipeline located in front of the RO filter element (2) in the public waterway.

8. The cold and hot double-outlet water channel system according to claim 2, wherein the public water channel comprises an RO filter element (2), and the RO filter element (2) is used for performing RO reverse osmosis filtration;

the public waterway further comprises a water inlet electromagnetic valve (8) and a booster pump (9), wherein the water inlet electromagnetic valve (8) and the booster pump (9) are sequentially connected to a water inlet pipeline positioned in front of the RO filter element (2) in the public waterway; the water inlet electromagnetic valve (8) is used for controlling the public waterway to be conducted or cut off, and the booster pump (9) is used for increasing water pressure.

9. The cold and hot double outlet water waterway system according to claim 8, characterized in that said public waterway further comprises a composite filter element (10), said composite filter element (10) comprising a pre-filter element and a post-filter element;

along the water flow path of the public waterway, the composite filter element (10) is positioned in front of the water inlet electromagnetic valve (8), the pre-filter element is positioned in front of the RO filter element (2), and the post-filter element is positioned behind the RO filter element (2).

10. The cold and hot double outlet waterway system according to claim 9, characterized in that the composite filter element (10) comprises a first water inlet, a first water outlet, a second water inlet and a second water outlet;

the first water inlet is used for introducing raw water, the raw water is purified by the front filter element and then discharged by the first water outlet, the raw water enters the residual waterway of the public waterway through the booster pump (9) and the RO filter element (2), and the raw water is purified by the rear filter element and then discharged by the second water outlet.

11. The cold and hot double water outlet waterway system according to claim 9, characterized in that the public waterway further comprises a pressure reducing valve (11) and a low pressure switch (12), the pressure reducing valve (11) and the low pressure switch (12) are respectively connected to a water inlet pipeline of the public waterway positioned in front of the composite filter element (10); the pressure reducing valve (11) is used for reducing the water pressure of the raw water end, and the low-pressure switch (12) is used for monitoring the water pressure value.

12. The cold and hot double-outlet water channel system according to claim 2, wherein the public water channel comprises an RO filter element (2), and the RO filter element (2) is used for performing RO reverse osmosis filtration;

the cold and hot double-water-outlet waterway system further comprises a concentrated water waterway, the RO filter element (2) comprises a concentrated water outlet, and the concentrated water waterway is connected with the concentrated water outlet; the concentrated water waterway is used for discharging concentrated water.

13. The cold and hot double water outlet waterway system according to claim 1, wherein the normal temperature water waterway further comprises a normal temperature water valve (13), the normal temperature water valve (13) is arranged on a water outlet pipeline positioned behind the public waterway in the normal temperature water waterway, and is used for controlling the conduction or the cut-off of the normal temperature water waterway.

14. The cold and hot double water outlet waterway system according to claim 1, characterized in that the hot water waterway further comprises a hot water valve (14), the hot water valve (14) is arranged on a water outlet pipeline positioned behind the heating body (1) in the hot water waterway, and is used for controlling the on or off of the hot water waterway.

15. The dual cold and hot water waterway system of claim 1, further comprising an intelligent faucet connected to the water outlets of the normal temperature water and the hot water waterway, respectively.

16. A water purifier comprising a dual hot and cold water outlet waterway system as claimed in any one of claims 1 to 15.