CN215337039U - Water heater - Google Patents

Abstract

The utility model relates to the technical field of household appliances, and particularly discloses a water heater. The water heater comprises a water path system, a gas path system, a heating system and a mixing device; the waterway system comprises a water conveying pipeline, a first water outlet pipeline, a supercharging device and a first control valve, wherein the water outlet end of the water conveying pipeline is connected with the mixing device, the water inlet end of the first water outlet pipeline is connected with the mixing device, the supercharging device is arranged on the first water outlet pipeline, and the first control valve is arranged on the water conveying pipeline; the gas path system comprises a gas transmission pipeline and a second control valve, the gas transmission pipeline is used for transmitting gas to the mixing device, and the second control valve is arranged on the gas transmission pipeline; the heating system is used for heating the water passing through the water conveying pipeline. The water heater provided by the utility model has various water outlet functions, can obtain water with higher gas content, further obtain high-quality micro-nano bubble water, and can greatly enrich the water using experience of users.

Description

Water heater

Technical Field

The utility model relates to the technical field of household appliances, in particular to a water heater.

Background

The water heater can enable the temperature of cold water to rise to be changed into hot water within a certain time so as to be used by users, therefore, the appearance of the water heater greatly meets the requirements of people on the hot water in daily life, but the existing water heater only has a single heating function, namely only can produce single common hot water. In order to satisfy people's life needs that enrich day by day, prior art adds the microbubble generator in the pipe-line system of water heater, thereby can make the water heater go out water and have the function of receiving bubble a little, but, receive bubble water a little in order to produce, rivers among the water route system need the interval to open and stop, 3 ~ 5 s's water interrupt can appear, and gas mixture effect such as hot water and air is not good, gas content such as the aquatic air of output is not high, it is poor to lead to receiving bubble generation effect a little, finally be unfavorable for user experience's promotion. Therefore, it is necessary to provide a water heater with multiple functions.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a water heater, and at least solves the problems of low content of effluent gas, single effluent function, poor user experience and the like of the existing water heater.

In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:

the water heater comprises a water path system, a gas path system, a heating system and a mixing device;

the waterway system comprises a water conveying pipeline, a first water outlet pipeline, a supercharging device and a first control valve, wherein the water outlet end of the water conveying pipeline is connected with the mixing device, the water inlet end of the first water outlet pipeline is connected with the mixing device, the supercharging device is arranged on the first water outlet pipeline, and the first control valve is arranged on the water conveying pipeline;

the gas path system comprises a gas transmission pipeline and a second control valve, the gas transmission pipeline is used for transmitting gas to the mixing device, and the second control valve is arranged on the gas transmission pipeline;

the heating system is used for heating the water passing through the water conveying pipeline.

In a possible embodiment, the heating system comprises a heating device, the water conveying pipeline comprises a water inlet branch and a water outlet branch; the water outlet end of the water inlet branch is communicated with the heating device, the water inlet end of the water outlet branch is communicated with the heating device, and the mixing device is arranged between the water outlet branch and the first water outlet pipeline; the first control valve is arranged on the water inlet branch or the water outlet branch.

In one possible embodiment, the gas pipeline is connected to the water pipeline at a position between the first control valve and the mixing device;

alternatively, the gas line is connected to the mixing device.

In a possible embodiment, the waterway system further comprises a second water outlet pipeline, and the water inlet end of the second water outlet pipeline and the water inlet end of the water outlet branch are both connected with the heating device.

In a possible embodiment, the waterway system further includes a third control valve, and the third control valve is disposed on the second water outlet pipeline.

In a possible embodiment, the waterway system further includes a third water outlet pipeline, a water inlet end of the third water outlet pipeline is connected to the mixing device, and the water outlet end of the first water outlet pipeline and the water outlet end of the third water outlet pipeline are in intersection communication with the water outlet end of the second water outlet pipeline.

In a possible embodiment, the waterway system further includes a fourth control valve, and the fourth control valve is disposed on the third water outlet pipeline.

In one possible embodiment, the mixing device comprises a mixing tank and a partition, wherein the mixing tank is provided with a mixing cavity, the partition is arranged in the mixing cavity and divides the mixing cavity into a first cavity and a second cavity, the partition comprises a communication plate and a closing plate, one end of the communication plate is connected with the inner side wall of the mixing cavity, and the other end of the communication plate is connected with the closing plate; the communicating plate is provided with a through hole for communicating the first cavity and the second cavity.

In a possible embodiment, the mixing tank has an inlet and an inner bottom wall opposite to the inlet at a spacing, the closing plate is arranged opposite to the inlet at a spacing, the water outlet end of the water conveying pipeline is communicated with the inlet, the inlet is communicated with the first chamber, the number of the through holes is multiple, and the orthographic area of all the through holes on the inner bottom wall is not less than that of the inlet on the inner bottom wall.

In one possible embodiment, the second control valve is a non-return valve or a shut-off valve.

The utility model has the beneficial effects that:

according to the water heater provided by the embodiment of the utility model, the water outlet end of the water conveying pipeline is connected with the mixing device, the water inlet end of the first water outlet pipeline is connected with the mixing device, the first water outlet pipeline is provided with the supercharging device, the water inlet pipeline is provided with the first control valve, and the air inlet pipeline of the air path system conveys air into the mixing device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a simplified schematic structural diagram of a water heater according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a mixing tank according to a first embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic perspective view of a partition according to a first embodiment of the present invention;

FIG. 5 is a simplified schematic diagram of a control system according to an embodiment of the present invention;

fig. 6 is a simplified structural schematic diagram of a water heater according to a second embodiment of the present invention;

fig. 7 is a simplified structural schematic diagram of a water heater according to a third embodiment of the present invention;

fig. 8 is a simplified structural schematic diagram of a water heater according to a fourth embodiment of the present invention;

fig. 9 is a simplified structural schematic diagram of a water heater according to a fifth embodiment of the present invention;

fig. 10 is a simplified schematic structural diagram of a water heater according to a sixth embodiment of the present invention;

fig. 11 is a simplified structural schematic diagram of a water heater according to a seventh embodiment of the present invention;

fig. 12 is a simplified schematic structural diagram of a water heater according to an eighth embodiment of the present invention.

Reference numerals:

100. a water heater;

1. a waterway system;

11. a water delivery pipeline; 111. a water inlet branch; 112. a water outlet branch; 12. a first water outlet pipeline; 13. a pressure boosting device; 14. a first control valve; 15. a second water outlet pipeline; 16. a third control valve; 17. a third water outlet pipeline; 18. a fourth control valve;

2. a gas path system;

21. a gas transmission pipeline; 22. a second control valve;

3. a heating system;

31. a heating device;

4. a mixing device;

41. a mixing tank; 40. a mixing chamber; 401. a first chamber; 402. a second chamber; 410. an inlet; 411. an inner bottom wall; 4110. an outlet; 42. a separator; 421. a communication plate; 4211. a connecting portion; 4212. a communicating portion; 4210. a through hole; 422. a closing plate; 4221. a groove; 4221a, groove sidewalls; 4221b, bottom wall of the groove; OO', groove central shaft;

5. a detection device;

6. a control system;

7. provided is a sterilization device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Fig. 1 to 5 show a schematic structural diagram of a water heater 100 and its components provided in this embodiment.

Referring to fig. 1 and 5, the water heater 100 includes a water path system 1, a gas path system 2, a heating system 3, a mixing device 4, a detecting device 5, a control system 6 and a sterilizing device 7; the waterway system 1 comprises a water conveying pipeline 11, a first water outlet pipeline 12, a pressurizing device 13 and a first control valve 14, wherein the water outlet end of the water conveying pipeline 11 is connected with the mixing device 4, the water inlet end of the first water outlet pipeline 12 is connected with the mixing device 4, the pressurizing device 13 is arranged on the first water outlet pipeline 12, and the first control valve 14 is arranged on the water conveying pipeline 11; the gas circuit system 2 comprises a gas transmission pipeline 21 and a second control valve 22, the gas transmission pipeline 21 is used for transmitting gas to the mixing device 4, and the second control valve 22 is arranged on the gas transmission pipeline 21; the heating system 3 is used for heating water passing through the water conveying pipeline 11, the detecting device 5 is arranged at the position of the water channel system 1 and the like for detecting water flow, water temperature and heating condition of the heating system 3, and the control system 6 is respectively connected with the first control valve 14, the second control valve 22, the supercharging device 13, the detecting device 5, the sterilizing device 7 and the heating system 3 for controlling the working state of the water heater 100.

Referring to fig. 1, the gas pipe 21 is connected to the water pipe 11 at a position between the first control valve 14 and the mixing device 4, so that the gas pipe 21 and the water pipe 11 can alternately input gas and water into the mixing device 4.

Referring to fig. 1, the heating system 3 includes a heating device 31, the water pipeline 11 includes a water inlet branch 111 and a water outlet branch 112, wherein a water outlet end of the water inlet branch 111 is communicated with the heating device 31, a water inlet end of the water outlet branch 112 is communicated with the heating device 31, and the mixing device 4 is disposed between the water outlet branch 112 and the first water outlet pipeline 12; the first control valve 14 is provided on the water inlet branch 111 or the water outlet branch 112. In some alternative embodiments, the first control valve 14 may be a solenoid valve.

In some possible embodiments, the second control valve 22 may be a check valve or a stop valve, and the check valve or the stop valve may be used to effectively prevent the water in the water delivery pipeline 11 from flowing back into the air delivery pipeline 21. In some embodiments, the pressure boosting device 13 is a water pump, which can increase the flow rate of the outlet water or increase the water pressure. Under the action of some water pumps, the water outlet amount is increased and the water outlet pressure is not large, and some water pumps can increase the water outlet pressure and not increase the water outlet amount.

Referring to fig. 2, fig. 3 and fig. 4, the mixing device 4 includes a mixing tank 41 and a partition 42, wherein the mixing tank 41 has a mixing chamber 40, the mixing tank 41 is provided with an inlet 410 and an outlet 4110, and the inlet 410 and the outlet 4110 are respectively communicated with the mixing chamber 40; the partition is arranged in the mixing cavity 40 and divides the mixing cavity 40 into a first chamber 401 and a second chamber 402, wherein the first chamber 401 is communicated with the inlet 410, the second chamber 402 is communicated with the outlet 4110, the partition 42 comprises a communication plate 421 and a closing plate 422, one end of the communication plate 421 is connected with the inner side wall of the mixing cavity 40, and the other end of the communication plate is connected with the closing plate 422; the communicating plate 421 is provided with a through hole 4210, the through hole 4210 is used for communicating the first chamber 401 and the second chamber 402, so that water flowing into the first chamber 401 from the inlet 410 or air and other gases introduced into the first chamber 401 from the inlet 410 can enter the second chamber 402, and the closing plate 422 is opposite to the inlet 410 at a spacing. In some embodiments, the communication plate 421 and the closing plate 422 are separately provided structures, while in other embodiments, the communication plate 421 and the closing plate 422 are integrally integrated structures. In some embodiments, the communication plate 421 is a hollow annular plate, an outer side wall of which is connected with an inner side wall of the mixing chamber 40, the closing plate 422 is disposed at a hollow portion of the hollow annular plate and an outer peripheral edge of the closing plate 422 is connected with the inner side wall of the hollow annular plate.

In some embodiments, the communication plate 421 includes a connection portion 4211 and a communication portion 4212, wherein the connection portion 4211 is connected between an inner sidewall of the mixing tank 41 and the communication portion 4212, the communication plate 421 is connected between the connection portion 4211 and the closing plate 422, and the through hole 4210 is provided on the communication plate 421. In some embodiments, the connection portion 4211 and the communication portion 4212 are separately provided structures, and in some embodiments, the connection portion 4211 and the communication portion 4212 are integrally integrated structures.

In some embodiments, the mixing tank 41 has an inner bottom wall 411 spaced opposite to the inlet 410, a portion of the connecting portion 4211 connected to the communicating portion 4212 is in smooth transition, and the connecting portion 4211 extends from the portion connected to the communicating portion 4212 to the side of the inlet 410 with a trend of increasing distance from a center line of the inlet 410 toward a surface of the first chamber 401, and the through hole 4210 formed in the communicating portion 4212 is located at a portion connected to the connecting portion 4211, such a structure is provided that a curved surface of the connecting portion 4211 transitioning to the communicating portion 4212 is lowered along a vertical height, which is beneficial to prevent water from remaining at the portion where the connecting portion 4211 is connected to the inner side wall of the mixing tank 41, so as to prevent bacteria from breeding. In some embodiments, the number of the through holes 4210 is multiple, and the orthographic projection area of all the through holes 4210 on the inner bottom wall 411 is not smaller than that of the inlet 410 on the inner bottom wall 411, so that the water flowing into the first chamber 401 from the inlet 410 can be ensured to flow into the second chamber 402 in time, and the water flow jam in the first chamber 401 can be prevented. In some embodiments, outlets 4110 are disposed on the inner bottom wall 411, and the number of outlets 4110 may be one or two or more, and when there are two outlets 4110 or more outlets 4110, one outlet 4110 is used to connect to the water inlet end of the first water outlet circuit 12, and the other outlet 4110 is used to connect to the water inlet end of the second water outlet circuit 15.

Referring to fig. 3 and 4, in some embodiments, the closing plate 422 is provided with a groove 4221, the groove 4221 has a groove sidewall 4221a, a groove bottom wall 4221b and a notch arranged towards the inlet 410, wherein the groove sidewall 4221a extends from the notch to the groove bottom wall 4221b with a gradually increasing distance from the groove central axis OO' and is connected with the groove bottom wall 4221b, and the shape of the groove 4221 formed thereby is: when the groove 4221 is intersected along the groove center axis OO', several cross-sectional areas from the notch side to the groove bottom wall 4221b side become gradually smaller.

Referring to fig. 5, in some embodiments, the detecting device 5 includes a flow detector and a temperature detector, wherein the flow detector includes a water flow detector and a gas flow detector, the number of the water flow detectors may be two, one of the water flow detectors is disposed on the water inlet branch 111, and the other water flow detector is disposed at the water outlet end of the first water outlet pipeline 12; the number of temperature detectors is two, one of which is arranged on the water inlet branch 111 and the other is arranged at the water outlet end of the first water outlet pipeline 12, and the operating state of the water heater 100 is controlled by the control system 6. Specifically, the control system 6 is connected to the first control valve 14, the second control valve 22, the sterilization device 7, the pressurization device 13, the detection device 5, the heating system 3, and the like, respectively, to control the operating states of the first control valve 14, the second control valve 22, the sterilization device 7, the pressurization device 13, the detection device 5, the heating system 3, and the like, and finally to control the operating state of the water heater 100.

The basic operation of the water heater 100 of the present embodiment is briefly described with reference to fig. 1 to 5:

(a) the first control valve 14 is opened, the water flowing in from the water inlet branch 111 flows into the mixing tank 41 of the mixing device 4 through the water outlet branch 112 after being heated by the heating system 3, after the mixing tank 41 is filled, the first control valve 14 is closed, the supercharging device 13 (i.e. the water pump) is opened to pump the water in the mixing tank 41, and meanwhile, the air enters the mixing tank 41 from the air path system 2 through the second control valve 22; when the water pump is about to pump the water in the mixing tank 41, the first control valve 14 is opened, and at the same time, the water pump stops working, and after the hot water flowing in from the water outlet branch 112 and the gas flowing in from the gas circuit system 2 are mixed in the mixing tank 41, the hot water with high gas content is obtained through the first water outlet pipeline 12 under the action of the water pump.

(b) Closing a water consumption point, forming a closed pipeline by an external pipeline and the waterway system 1 of the water heater 100, opening the first control valve 14 and starting the water pump; the water enters from the water inlet branch 111, is heated by the heating device 31 of the heating system 3, enters the mixing tank 41, is pressurized by the water pump in the first water outlet pipeline 12, flows out from the water outlet end of the first water outlet pipeline 12 and circulates with an external pipeline, and the function of zero cold water is achieved.

(c) The first control valve 14 is opened, when the water consumption point is opened, the water pump is started, water enters from the water inlet branch 111, enters the mixing tank 41 after being heated by the heating device 31 of the heating system 3, is pressurized by the water pump in the first water outlet pipeline 12, and flows out from the water outlet end of the first water outlet pipeline 12, so that the water pressure of the water can be increased, and the water consumption experience of a user is improved.

(d) When the water heater 100 is used, water is temporarily turned off and then boiled, the residual heat of the heating device 31 of the heating system 3 heats the residual water in the water inlet branch 111, so that the water temperature of the part rises abnormally (hereinafter referred to as high-temperature water), at the moment, the first control valve 14 is opened, the high-temperature water enters the mixing tank 41 and is mixed with the residual water in the mixing tank 41, the water temperatures of the two parts are neutralized, and then the high-temperature water enters the first water outlet pipeline 12 to be discharged, the user is prevented from being scalded by the high-temperature water, meanwhile, the water temperature of the warm water is improved, and finally, the water consumption experience of the user is improved.

Therefore, the water heater 100 of the embodiment can obtain common hot water and hot water with high gas content, and when the micro-nano bubble generating device is additionally arranged at the water consumption point (such as a faucet, a shower head and the like) of the water heater 100, high-quality micro-nano bubble water and various water outlet effects can be obtained, so that the water consumption experience of a user is greatly improved.

Example two

Referring to fig. 6 and fig. 1 and 3, the difference between the first embodiment and the second embodiment is mainly that the connection position of the air transmission pipeline 21 and the water transmission pipeline 11 is different. In the first embodiment, the first control valve 14 is disposed on the water outlet branch 112, and the air pipe 21 is connected to the water outlet branch 112 and connected to a position between the first control valve 14 and the mixing device 4, while in the present embodiment, the air pipe 21 is directly connected to the mixing device 4, that is, in the mixing tank 41 of the mixing device 4, the number of the inlets 410 includes two, one of the inlets 410 is used for being connected to the water outlet end of the water outlet branch 112, and the other inlet 410 is used for being connected to the air outlet end of the air pipe 21.

In addition to the above differences, the structure of the water heater 100 and its components provided in the present embodiment can be optimized with reference to the first embodiment, and will not be described in detail herein.

EXAMPLE III

Referring to fig. 7, fig. 1 and fig. 5, the difference between the present embodiment and the first embodiment is mainly the structure difference of the waterway system 1. In the embodiment of the present invention, only the first water outlet pipeline 12 is used for water outlet, and in the embodiment, the waterway system 1 further includes a second water outlet pipeline 15, and the water inlet end of the second water outlet pipeline 15 is connected to the heating device 31, that is, the water inlet end of the second water outlet pipeline 15 and the water inlet end of the water outlet branch 112 are both connected to the heating device 31. In a possible embodiment, the first control valve 14 may be a directional valve, such as a solenoid directional valve, in which case the water inlet end of the second water outlet pipeline 15 is in intersection communication with the water outlet branch 112, and the solenoid directional valve is disposed at a position where the second water outlet pipeline 15 is in intersection communication with the water outlet branch 112, so that the flow of water into the second water outlet pipeline 15 or into the mixing device 4 through the water outlet branch 112 can be controlled by the solenoid directional valve.

In addition to the above differences, the structure of the water heater 100 and its components provided in the present embodiment can be optimized with reference to the first embodiment, and will not be described in detail herein.

Example four

Referring to fig. 8 and 7, the difference between the present embodiment and the third embodiment is mainly that the connection position of the air transmission pipeline 21 is different. In the third embodiment, the air pipe 21 is connected with the water outlet branch 112 and is connected at a position between the first control valve 14 and the mixing device 4, while in the third embodiment, the air pipe 21 is directly communicated with the mixing device 4.

In addition to the above differences, the structure of the water heater 100 and its components provided in this embodiment can be optimized with reference to the third embodiment, and will not be described in detail herein.

EXAMPLE five

Referring to fig. 9, fig. 7 and fig. 5, the present embodiment is different from the third embodiment mainly in whether a third control valve 16 is disposed in the second water outlet pipeline 15. In the third embodiment, the second water outlet line 15 does not have the third control valve 16, and in the present embodiment, the second water outlet line 15 is provided with the third control valve 16. In an alternative embodiment, the first control valve 14 is a solenoid valve, the third control valve 16 is a solenoid valve, and the first solenoid valve is disposed on the water inlet branch 111 or the water outlet branch 112, and the water inlet end of the second water outlet pipeline 15 is connected to the water outlet branch 112. In some embodiments, the water inlet end of the second water outlet line 15 is connected between the heating device 31 and the first control valve 14, so that precise control of the water flow can be achieved.

In addition to the above differences, the structure of the water heater 100 and its components provided in this embodiment can be optimized with reference to the third embodiment, and will not be described in detail herein.

EXAMPLE six

Referring to fig. 10 and 8, the difference between the present embodiment and the fourth embodiment is mainly whether the second water outlet pipeline 15 is provided with a third control valve 16. In the fourth embodiment, the second water outlet line 15 is not provided with the third control valve 16, while in the present embodiment, the second water outlet line 15 is provided with the third control valve 16. In an alternative embodiment, the first control valve 14 is a solenoid valve, the third control valve 16 is a solenoid valve, and the first solenoid valve is disposed on the water inlet branch 111 or the water outlet branch 112, and the water inlet end of the second water outlet pipeline 15 is connected to the water outlet branch 112. In some embodiments, the water inlet end of the second water outlet line 15 is connected between the heating device 31 and the first control valve 14, so that precise control of the water flow can be achieved.

In addition to the above differences, the structure of the water heater 100 and its components provided in this embodiment can be optimally designed with reference to the fourth embodiment, and will not be described in detail herein.

EXAMPLE seven

Referring to fig. 11, 9 and 5, the difference between the present embodiment and the fifth embodiment is mainly the structure of the waterway system 1. In this embodiment, on the basis of the fifth embodiment, a third water outlet pipeline 17 is additionally provided, and a fourth control valve 18 is additionally provided on the third water outlet pipeline 17, the number of the outlets 4110 of the mixing tank 41 of the mixing device 4 is two, one of the outlets 4110 is connected to the water inlet end of the first water outlet pipeline 12, the other outlet 4110 is connected to the water inlet end of the third water outlet pipeline 17, and the fourth control valve 18 is provided on the third water outlet pipeline 17. In some embodiments, the outlet end of the first outlet conduit 12 and the outlet end of the third outlet conduit 17 are in convergent communication with the outlet end of the second outlet conduit 15.

In addition to the above differences, the structure of the water heater 100 and its components provided in this embodiment can be optimally designed with reference to the fifth embodiment, and will not be described in detail herein.

Example eight

Referring to fig. 12, fig. 10 and fig. 5, the difference between the present embodiment and the sixth embodiment mainly lies in the structure of the waterway system 1. In this embodiment, on the basis of the sixth embodiment, a third water outlet pipeline 17 is additionally provided, and a fourth control valve 18 is additionally provided on the third water outlet pipeline 17, the number of the outlets 4110 of the mixing tank 41 of the mixing device 4 is two, one of the outlets 4110 is connected to the water inlet end of the first water outlet pipeline 12, the other outlet 4110 is connected to the water inlet end of the third water outlet pipeline 17, and the fourth control valve 18 is provided on the third water outlet pipeline 17. In some embodiments, the outlet end of the first outlet conduit 12 and the outlet end of the third outlet conduit 17 are in convergent communication with the outlet end of the second outlet conduit 15.

In addition to the above differences, the structure of the water heater 100 and its components provided in this embodiment can be optimally designed with reference to the sixth embodiment, and will not be described in detail herein.

The above is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The water heater is characterized by comprising a water path system, a gas path system, a heating system and a mixing device;

the waterway system comprises a water conveying pipeline, a first water outlet pipeline, a supercharging device and a first control valve, wherein the water outlet end of the water conveying pipeline is connected with the mixing device, the water inlet end of the first water outlet pipeline is connected with the mixing device, the supercharging device is arranged on the first water outlet pipeline, and the first control valve is arranged on the water conveying pipeline;

the gas path system comprises a gas transmission pipeline and a second control valve, the gas transmission pipeline is used for transmitting gas to the mixing device, and the second control valve is arranged on the gas transmission pipeline;

and the heating system is used for heating the water passing through the water conveying pipeline.

2. The water heater according to claim 1, wherein said heating system comprises a heating device, said water conveying line comprising a water inlet branch and a water outlet branch; the water outlet end of the water inlet branch is communicated with the heating device, the water inlet end of the water outlet branch is communicated with the heating device, and the mixing device is arranged between the water outlet branch and the first water outlet pipeline; the first control valve is arranged on the water inlet branch or the water outlet branch.

3. The water heater as claimed in claim 2, wherein the gas pipeline is connected to the water pipeline at a position between the first control valve and the mixing device;

or the gas pipeline is connected with the mixing device.

4. The water heater as claimed in claim 3, wherein the waterway system further comprises a second water outlet pipeline, and the water inlet end of the second water outlet pipeline and the water inlet end of the water outlet branch are connected with the heating device.

5. The water heater as recited in claim 4 wherein said waterway system further comprises a third control valve, said third control valve being disposed on said second outlet line.

6. The water heater as claimed in claim 5, wherein the waterway system further comprises a third outlet conduit, the inlet end of the third outlet conduit is connected to the mixing device, and the outlet end of the first outlet conduit and the outlet end of the third outlet conduit are in communication with the outlet end of the second outlet conduit.

7. The water heater as recited in claim 6 wherein said waterway system further comprises a fourth control valve, said fourth control valve being disposed on said third outlet line.

8. The water heater according to claim 1, wherein the mixing device comprises a mixing tank having a mixing chamber and a partition provided in the mixing chamber and dividing the mixing chamber into a first chamber and a second chamber, the partition comprising a communication plate and a closing plate, one end of the communication plate being connected to an inner sidewall of the mixing chamber and the other end thereof being connected to the closing plate; the communicating plate is provided with a through hole for communicating the first cavity and the second cavity.

9. The water heater as claimed in claim 8, wherein the mixing tank has an inlet and an inner bottom wall opposite to the inlet, the closing plate is disposed opposite to the inlet, the water outlet end of the water conveying pipeline is communicated with the inlet, the inlet is communicated with the first chamber, the number of the through holes is multiple, and the orthographic projection area of all the through holes on the inner bottom wall is not less than the orthographic projection area of the inlet on the inner bottom wall.

10. A water heater as claimed in any one of claims 1 to 5, wherein the second control valve is a one-way valve or a stop valve.

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