CN213984027U - Wall-mounted stove - Google Patents

Abstract

The utility model is suitable for a hanging stove technical field discloses a hanging stove, including main control unit, heating element, heating pipeline, domestic water pipeline, first switching-over valve, second switching-over valve and circulating pump, the heating element is used for heating the water flowing through in the heating pipeline; the two ends of the domestic water pipeline are respectively connected with the two ends of the heating pipeline through a first reversing valve and a second reversing valve and are enclosed with the heating pipeline to form a domestic water loop, the two ends of the heating pipeline are respectively connected with the two ends of the heating pipeline through the first reversing valve and the second reversing valve and are enclosed with the heating pipeline to form a heating loop, and the first reversing valve and the second reversing valve are used for controlling the heating pipeline to be switched between the domestic water loop and the heating loop; the circulating pump is used for respectively providing power for the flowing of water in the domestic water loop and the flowing of water in the heating loop. The utility model provides a hanging stove has saved plate heat exchanger and water replenishing valve, simple structure, and is small, light in weight, and the cost is few.

Description

Wall-mounted stove

Technical Field

The utility model relates to a hanging stove technical field especially relates to a hanging stove.

Background

The wall-mounted boiler includes a domestic water line for supplying hot water required for daily life, such as bath water or kitchen water, to a user, and a heating line for supplying warm air to the user. At present, the wall-mounted boiler on the market has the following defects: (1) the water in the heating pipeline exchanges heat with the water in the domestic water pipeline through the plate heat exchanger so as to realize zero cold water of the domestic water and meet other requirements of domestic water of users; (2) a water replenishing valve needs to be arranged in the pipeline to ensure that the water quantity in the heating pipeline is sufficient; (3) the domestic water pipeline and the heating pipeline are respectively provided with a circulating pump, the circulating pump provided by the domestic water pipeline is used for realizing zero cold water of domestic water and meeting other requirements of domestic water of users, and the circulating pump provided by the heating pipeline is used for meeting the heating requirements of the users. Therefore, the existing wall-hanging stove has complex structure, large volume and heavy weight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hanging stove, it aims at solving the technical problem that current hanging stove structure is complicated, bulky, weight is big.

In order to achieve the above purpose, the utility model provides a scheme is: the wall-mounted furnace comprises a main controller, a heating assembly, a heating pipeline, a domestic water pipeline, a first reversing valve, a second reversing valve and a circulating pump, wherein the heating assembly is used for heating water flowing through the heating pipeline; two ends of the domestic water pipeline are respectively connected with two ends of the heating pipeline through the first reversing valve and the second reversing valve and are enclosed with the heating pipeline to form a domestic water loop, two ends of the heating pipeline are respectively connected with two ends of the heating pipeline through the first reversing valve and the second reversing valve and are enclosed with the heating pipeline to form a heating loop, and the first reversing valve and the second reversing valve are used for controlling the heating pipeline to be switched between the domestic water loop and the heating loop; the circulating pump is used for respectively providing power for the flow of water in the domestic water loop and the flow of water in the heating loop; the main controller is used for controlling the first reversing valve, the second reversing valve, the circulating pump and the heating assembly to work.

Furthermore, the domestic water pipeline comprises a domestic water inlet pipe, a domestic water outlet pipe, a domestic water return pipe communicated with the domestic water inlet pipe and the domestic water outlet pipe, a water supply part for supplying water to the domestic water pipeline and an output part for outputting hot domestic water, and the domestic water return pipe is connected between the domestic water inlet pipe and the domestic water outlet pipe; one end of the heating pipeline is communicated with the domestic water inlet pipe through the first reversing valve, and the other end of the heating pipeline is communicated with the domestic water outlet pipe through the second reversing valve.

Further, the hanging stove still includes water flow sensor, water flow sensor locates domestic water is in order to be used for detecting the discharge of water of flowing through on the road.

Furthermore, the domestic water pipeline further comprises a bypass pipe, the bypass pipe is communicated with the domestic water inlet pipe and the domestic water outlet pipe, one end of the bypass pipe is connected between the first reversing valve and the water supply part, the other end of the bypass pipe is connected between the second reversing valve and the output part, and the water flow sensor is arranged on the bypass pipe or the domestic water inlet pipe.

Further, the hanging stove still includes the relief pressure valve, the relief pressure valve is located on the domestic water inlet tube and be located first switching-over valve with between the water supply portion in order to be used for the reduction certainly domestic water inlet tube flows to the pressure of the water in the heating pipeline.

Furthermore, the heating pipeline comprises a heating water return pipe, a heating water outlet pipe and a heating pipe communicated with the heating water return pipe and the heating water outlet pipe, and the heating pipe is connected between the heating water return pipe and the heating water outlet pipe; one end of the heating pipeline is communicated with the heating water return pipe through the first reversing valve, and the other end of the heating pipeline is communicated with the heating water outlet pipe through the second reversing valve.

Furthermore, the heating pipeline comprises a cold water pipe section, a hot water pipe section and a heating pipe section which is connected with the cold water pipe section and the hot water pipe section, the heating pipe section is arranged in the heating assembly in a penetrating mode, the cold water pipe section is respectively communicated with the domestic water inlet pipe and the heating water return pipe through the first reversing valve, the hot water pipe section is respectively communicated with the domestic water outlet pipe and the heating water outlet pipe through the second reversing valve, and one circulating pump is arranged and located on the cold water pipe section.

Further, the heating assembly comprises a main heat exchanger and a burner arranged below the main heat exchanger, and the heating pipe section is arranged in the main heat exchanger in a penetrating manner; the hanging stove still includes fuel inlet pipe, fuel inlet pipe intercommunication the combustor is used for the combustor provides fuel.

Furthermore, the first reversing valve is a three-way valve, the three-way valve is provided with three interfaces, and the cold water pipe section, the domestic water inlet pipe and the heating water return pipe are respectively connected with one interface; and/or the presence of a gas in the gas,

the second reversing valve is a three-way valve, the three-way valve is provided with three interfaces, and the hot water pipe section, the domestic water outlet pipe and the heating outlet pipe are respectively connected with one interface.

Further, the hanging stove still includes expansion tank, expansion tank intercommunication heating pipeline is in order to be used for reducing the pressure that increases because of the inflation after the water heating in the heating pipeline.

The utility model provides a hanging stove's beneficial effect as follows: the two ends of the domestic water pipeline are respectively connected with the two ends of the heating pipeline and form a domestic water loop with the heating pipeline in an enclosing manner, so that cold water in the domestic water pipeline can flow into the heating pipeline; through the heating element who is used for heating the water that flows through in the heating pipeline that sets up to cold water in the domestic water pipeline can be heated when flowing through the heating pipeline, and the hot water after the heating can flow back to the domestic water pipeline again through the domestic water return circuit that domestic water pipeline and heating pipeline formed, thereby has realized the heating for domestic water. By arranging the main controller, when a user needs to use hot domestic water, the main controller can be informed in advance to control the first reversing valve and the second reversing valve to be communicated with the heating pipeline and the domestic water pipeline, namely, a domestic water loop is formed, simultaneously, the main controller controls the circulating pump to be opened, under the action of the circulating pump, cold water remained in the domestic water loop flows into the heating loop, becomes hot water through the heating of the heating component and then flows into the domestic water loop, when a user opens the domestic water end (such as a bathroom faucet), hot water can directly flow out, so that zero cold water of the domestic water is realized, and meanwhile, when the user opens the domestic water end, the main controller controls the circulating pump to be closed, under the action of water pressure, cold water from a water source flows into the heating pipeline through the domestic water pipeline, is heated into hot water and then flows back into the domestic water pipeline for users to use. And the two ends of the heating pipeline are respectively connected with the two ends of the heating pipeline and form a heating loop with the heating pipeline in an enclosing manner, cold water in the heating pipeline flows into the heating pipeline under the action of the circulating pump, and flows back to the heating pipeline for heating users after being heated into hot water by the heating component, so that heating of heating water and heating of the users are realized. Therefore, the plate heat exchanger does not need to be additionally arranged, so that the domestic water can be heated, the cold water can be eliminated, the heating water can be heated, and the heating pipeline can be heated.

In addition, the two ends of the domestic water pipeline are respectively connected with the two ends of the heating pipeline and are enclosed with the heating pipeline to form a domestic water loop, the two ends of the heating pipeline are respectively connected with the two ends of the heating pipeline and are enclosed with the heating pipeline to form a heating loop, and the first reversing valve and the second reversing valve can be used for controlling the heating pipeline to be switched between the domestic water loop and the heating loop, so that when the heating pipeline needs water supplement, the heating pipeline and the heating pipeline are communicated, automatic water supplement can be realized, and a water supplement valve does not need to be specially arranged additionally. Therefore, the utility model provides a hanging stove has saved plate heat exchanger and water replenishing valve, makes overall structure simpler, and the volume reduces, and weight reduction has also saved the cost simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a wall-mounted stove according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a wall-hanging stove according to a second embodiment of the present invention;

fig. 3 is another schematic structural diagram of a wall-hanging stove according to an embodiment of the present invention.

The reference numbers illustrate: 100. a wall-mounted furnace; 11. a main controller; 12. a heating assembly; 121. a primary heat exchanger; 122. a burner; 2. heating the pipeline; 21. a cold water pipe section; 22. a hot water pipe section; 23. a heating pipe section; 3. a heating pipeline; 31. a heating water return pipe; 32. a heating water outlet pipe; 33. a heating pipe; 4. a domestic water pipeline; 41. a domestic water inlet pipe; 42. a domestic water outlet pipe; 43. a domestic water return pipe; 44. a water supply part; 45. an output section; 46. a bypass pipe; 51. a first direction changing valve; 52. a second directional control valve; 53. an interface; 54. a pressure reducing valve; 6. a circulation pump; 7. a fuel inlet pipe; 8. a water flow sensor; 9. an expansion tank.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 (the straight arrow in the figure is the flowing direction of the fluid in the pipe), the embodiment of the present invention provides a wall-hanging stove 100, which includes a main controller 11, a heating assembly 12, a heating pipeline 2, a heating pipeline 3, a domestic water pipeline 4, a first reversing valve 51, a second reversing valve 52 and a circulating pump 6, wherein the heating assembly 12 is used for heating the water flowing through the heating pipeline 2; two ends of the domestic water pipeline 4 are respectively connected with two ends of the heating pipeline 2 through a first reversing valve 51 and a second reversing valve 52 and are enclosed with the heating pipeline 2 to form a domestic water loop, two ends of the heating pipeline 3 are respectively connected with two ends of the heating pipeline 2 through the first reversing valve 51 and the second reversing valve 52 and are enclosed with the heating pipeline 2 to form a heating loop, and the first reversing valve 51 and the second reversing valve 52 are used for controlling the heating pipeline 2 to be switched between the domestic water loop and the heating loop; the circulating pump 6 is used for respectively providing power for the flow of water in the domestic water loop and the flow of water in the heating loop; the main controller 11 is used for controlling the operation of the first direction valve 51, the second direction valve 52, the circulating pump 6 and the heating assembly 12.

In this embodiment, through the both ends with domestic water pipeline 4 respectively with the both ends of heating pipeline 2 be connected and enclose with heating pipeline 2 and form domestic water return circuit, thereby cold water in the domestic water pipeline 4 can flow to in the heating pipeline 2, through setting up heating element 12 that is used for heating the water that flows through in the heating pipeline 2, thereby cold water in the domestic water pipeline 4 can be heated when flowing through the heating pipeline 2, hot water after the heating can flow back to the domestic water pipeline 4 through the domestic water return circuit that domestic water pipeline 4 and heating pipeline 2 formed again, thereby realized the heating for domestic water. The two ends of the heating pipeline 3 are respectively connected with the two ends of the heating pipeline 2 and form a heating loop with the heating pipeline 2 in an enclosing mode, cold water in the heating pipeline 3 flows into the heating pipeline 2 under the action of the circulating pump 6, and flows back to the heating pipeline 3 to supply heat for users after being heated into hot water through the heating component 12, so that heating of heating water and heating of the users are achieved. Therefore, the domestic water and the heating water can be heated without additionally arranging a plate heat exchanger.

When the user needs to use hot domestic water, the main controller 11 can be informed in advance to control the first and second direction changing valves 51 and 52 to connect the heating pipeline 2 and the domestic water pipeline 4, and simultaneously the main controller 11 controls the circulating pump 6 to be opened, under the action of the circulating pump 6, cold water remained in the domestic water pipeline 4 flows into the heating pipeline 2, heated by the heating unit 12 to become hot water and then flows back to the domestic water pipe 4, when a user opens a domestic water end (such as a sanitary faucet), hot water can directly flow out, so that zero cold water of domestic water is realized, and meanwhile, when a user opens the domestic water end, the main controller 11 controls the circulating pump 6 to be closed, and under the action of water pressure, cold water from a water source flows into the heating pipeline 2 through the domestic water pipeline 4, is heated into hot water and then flows back into the domestic water pipeline 4 for the user to use.

The domestic water pipeline 4 of the hanging stove 100 that this embodiment provided both ends are connected with the both ends of heating pipeline 2 respectively and enclose with heating pipeline 2 and close and form domestic water return circuit, the both ends of heating pipeline 3 are connected with the both ends of heating pipeline 2 respectively and enclose with heating pipeline 2 and close and form the heating return circuit, first switching-over valve 51 and second switching-over valve 52 can be used to control heating pipeline 2 and switch between domestic water return circuit and heating return circuit, thereby when heating pipeline 3 needs the moisturizing, intercommunication heating pipeline 2 and heating pipeline 3, can realize automatic water supply, do not need to set up the moisturizing valve specially in addition. Therefore, the utility model provides a hanging stove 100 has saved plate heat exchanger and water replenishing valve, makes overall structure simpler, and the volume reduces, and weight reduction has also saved the cost simultaneously.

Referring to fig. 1 again, the domestic water pipeline 4 includes a domestic water inlet pipe 41, a domestic water outlet pipe 42, a domestic water return pipe 43 communicating the domestic water inlet pipe 41 and the domestic water outlet pipe 42, a water supply part 44 for supplying water to the domestic water pipeline 4, and an output part 45 for outputting hot domestic water, wherein the domestic water return pipe 43 is connected between the domestic water inlet pipe 41 and the domestic water outlet pipe 42; one end of the heating pipeline 2 is communicated with the domestic water inlet pipe 41 through a first reversing valve 51, and the other end is communicated with the domestic water outlet pipe 42 through a second reversing valve 52. The water supply unit 44 and the output unit 45 may be connectors or connection pipes. Through this kind of mode of setting, when needs use hot domestic water, inform main control unit 11 in advance to make its first switching-over valve 51 of control and second switching-over valve 52 switch on heating pipeline 2 and domestic water pipeline 4, main control unit 11 control circulating pump 6 opens simultaneously, under the effect of circulating pump 6, the cold water that remains in domestic water pipeline 4 flows to heating pipeline 2 along domestic water outlet pipe 42, domestic water return pipe 43, domestic water inlet tube 41 in proper order and is heated into hot water after, again flows back to domestic water outlet pipe 42 from heating pipeline 2 and supplies output 45 to export, thereby realize zero cold water function. When a user opens the water end connected to the output part 45, the circulation pump 6 is turned off, and under the action of water pressure, part of cold water from a water source flows through the domestic water inlet pipe 41 through the water supply part 44 to the heating pipeline 2, is heated into hot water in the heating pipeline 2 and then flows to the output part 45 through the domestic water outlet pipe 42, and the other part of cold water from the water source flows through the domestic water return pipe 43 through the water supply part 44 to the output part 45 to be mixed with the hot water from the domestic water outlet pipe 42, so that the hot water with proper temperature can be provided for the user.

Preferably, the wall-hanging stove 100 further includes a water flow sensor 8, and the water flow sensor 8 is provided on the domestic water line 4 for detecting a flow rate of water flowing therethrough. In the present embodiment, the water flow sensor 8 is provided on the domestic water inlet pipe 41 between the first direction valve 51 and the water supply portion 44.

Preferably, the wall-hanging stove 100 further includes a pressure reducing valve 54, the pressure reducing valve 54 being provided on the domestic water inlet pipe 41 and being located between the first direction valve 51 and the water supply part 44 for reducing the pressure of the water flowing from the domestic water inlet pipe 41 into the heating pipeline 2. Referring to fig. 1, a pressure reducing valve 54 is provided between the first direction valve 51 and the water flow sensor 8. Usually, the water pressure in the heating pipeline 3 is 0.1-0.3Mpa, the water pressure in the domestic water pipeline 4 is 0.02-0.8Mpa, and the water pressure in the domestic water pipeline 4 is greater than the water pressure in the heating pipeline 3, because the water in the domestic water pipeline 4 and the water in the heating pipeline 3 both flow to the heating pipeline 2 and are heated in the heating pipeline 2, the water pressure difference between the water in the domestic water pipeline 4 and the water in the heating pipeline 3 needs to be reduced before the water flows into the heating pipeline 2, so as to avoid damaging the heating pipeline 2, in this embodiment, the pressure reducing valve 54 is arranged between the first reversing valve 51 and the water flow sensor 8, so as to reduce the pressure of the water in the domestic water pipeline 4, and thus reduce the water pressure difference between the water in the domestic water pipeline 4 and the water in the heating pipeline 3 and the water in the heating pipeline 2.

Referring to fig. 1 again, the heating pipeline 3 includes a heating water return pipe 31, a heating water outlet pipe 32, and a heating pipe 33 communicating the heating water return pipe 31 and the heating water outlet pipe 32, and the heating pipe 33 is connected between the heating water return pipe 31 and the heating water outlet pipe 32; one end of the heating pipeline 2 is communicated with the heating water return pipe 31 through a first direction changing valve 51, and the other end is communicated with the heating water outlet pipe 32 through a second direction changing valve 52. With this arrangement, when the heating pipe 2 communicates with the heating pipe 3, cold water flows from the heating return pipe 31 to the heating pipe 2, becomes hot water by heating of the heating element 12, and then flows from the other end of the heating pipe 2 to the heating pipe 33 through the heating outlet pipe 32 for heating by the user.

Referring to fig. 1 again, the heating pipeline 2 includes a cold water pipe section 21, a hot water pipe section 22, and a heating pipe section 23 connecting the cold water pipe section 21 and the hot water pipe section 22, the heating pipe section 23 is inserted into the heating assembly 12, the cold water pipe section 21 is respectively communicated with the domestic water inlet pipe 41 and the heating water return pipe 31 through a first direction valve 51, the hot water pipe section 22 is respectively communicated with the domestic water outlet pipe 42 and the heating water outlet pipe 32 through a second direction valve 52, and one circulation pump 6 is disposed on the cold water pipe section 21. It will be appreciated that in other embodiments the circulation pump 6 may also be provided on the hot water pipe section 22. Through the arrangement mode, when the domestic water function is started, the first reversing valve 51 and the second reversing valve 52 are communicated with the hot water pipe section 22 and the domestic water outlet pipe 42, after the circulating pump 6 is opened, cold water remained in the domestic water pipe 4 flows to the heating pipe section 23 in sequence along the directions of the domestic water outlet pipe 42, the domestic water return pipe 43, the domestic water inlet pipe 41 and the cold water pipe section 21 to be heated into hot water, and then flows to the domestic water outlet pipe 42 through the hot water pipe section 22 to be output by the output part 45, so that the zero cold water function is realized. When the user opens the water end, the circulation pump 6 is turned off, and under the action of water pressure, part of cold water from the water source flows through the domestic water inlet pipe 41 and the cold water pipe section 21 through the water supply part 44, and flows through the hot water pipe section 22 and the domestic water outlet pipe 42 to the output part 45 after the heating pipe section 23 is heated into hot water. When the heating function is started, the circulation pump 6 is turned on, and the cold water in the heating water return pipe 31 flows to the heating pipe section 23 through the cold water pipe section 21 under the action of the circulation pump 6, is heated and becomes hot water, and then flows to the heating water outlet pipe 32 from the hot water pipe section 22 and flows to the heating pipe 33, so as to provide heating for the user.

Through setting up a circulating pump 6, when domestic water function starts, can drive during the cold water that remains in domestic water pipeline 4 flows heating pipeline 2, realize zero cold water, when the heating function starts, can drive the water in the heating pipeline 3 and circulate, realize the heating, need not set up respective circulating pump respectively for domestic water pipeline 4 and heating pipeline 3 specially, reduce the weight of complete machine and saved the cost. It will be appreciated that two circulation pumps 6 may be provided, one being provided on the domestic water line 4 and the other being provided on the heating line 3.

Preferably, the heating assembly 12 comprises a main heat exchanger 121 and a burner 122 disposed below the main heat exchanger 121, and the heating pipe section 23 is disposed through the main heat exchanger 121; the wall-hanging stove 100 further comprises a fuel inlet pipe 7, and the fuel inlet pipe 7 is communicated with the burner 122 for supplying fuel to the burner 122. Wherein the fuel may be natural gas.

Preferably, the first direction valve 51 is a three-way valve, the three-way valve is provided with three ports 53, and the cold water pipe section 21, the domestic water inlet pipe 41 and the heating water return pipe 31 are respectively connected with one port 53; the second direction valve 52 is also a three-way valve, the three-way valve is provided with three connectors 53, and the hot water pipe section 22, the domestic water outlet pipe 42 and the heating outlet pipe 32 are respectively connected with one connector 53. With this arrangement, when the hot water pipe section 22 and the domestic water outlet pipe 42 are connected, the heating outlet pipe 32 is closed; when the hot water pipe section 22 and the heating water outlet pipe 32 are connected, the domestic water outlet pipe 42 is closed. It is to be understood that the first direction valve 51 and the second direction valve 52 are not limited to three-way valves.

Referring to fig. 1, the hanging stove 100 further includes an expansion tank 9, and the expansion tank 9 is communicated with the heating pipeline 3 for reducing the pressure of the water in the heating pipeline 3 increased by expansion. In the present embodiment, the expansion tank 9 is connected to the heating water return pipe 31 between the first direction switching valve 51 and the connection of the heating water return pipe 31 and the cold water pipe section 21.

Example two:

the difference between the first embodiment and the second embodiment is that the bypass pipe 46 is added, and only the connection relationship between the bypass pipe 46, the water flow sensor 8 and the pressure reducing valve 54 and the zero-cold-water working principle of the wall-hanging stove 100 will be described below, and other similar technical solutions will not be described again.

Specifically, in the first embodiment, the wall-mounted boiler 100 is not provided with the bypass pipe 46, the water flow sensor 8 is disposed on the domestic water inlet pipe 41 and located between the first directional valve 51 and the water supply portion 44, and the water flow sensor 8 is configured to detect water flow information flowing through the domestic water inlet pipe 41. When a user needs to use hot domestic water, the main controller 11 is informed in advance to control the first reversing valve 51 and the second reversing valve 52 to be connected with the heating pipeline 2 and the domestic water pipeline 4, namely a domestic water loop is formed, meanwhile, the main controller 11 controls the circulating pump 6 to be opened, under the action of the circulating pump 6, cold water remained in the domestic water pipeline 4 flows into the heating pipeline 2, the cold water becomes hot water through heating of the heating assembly 12 and then flows into the domestic water pipeline 4, when the user opens a domestic water end (such as a bathroom faucet), hot water can directly flow out, and therefore zero cold water of the domestic water is achieved. In this embodiment, the domestic water pipeline 4 is further provided with a bypass pipe 46, the bypass pipe 46 communicates the domestic water inlet pipe 41 and the domestic water outlet pipe 42, one end of the bypass pipe 46 is connected between the first direction valve 51 and the water supply portion 44, the other end of the bypass pipe 46 is connected between the second direction valve 52 and the output portion 45, and the water flow sensor 8 is configured to detect a water flow signal flowing through the bypass pipe 46. When the user needs to use the hot domestic water, the domestic water end (such as a sanitary faucet) can be instantly opened and then closed in advance, at the moment when the domestic water end is opened, the water flows through the bypass pipe 46, and after the water flow sensor 8 detects a water flow signal flowing through the bypass pipe 46, the signal is transmitted to the main controller 11, the main controller 11 controls the first reversing valve 51 and the second reversing valve 52 to be connected with the heating pipeline 2 and the domestic water pipeline 4 to form a domestic water loop, meanwhile, the main controller 11 controls the circulating pump 6 to be opened, under the action of the circulating pump 6, cold water remained in the domestic water pipeline 4 flows into the heating pipeline 2 for heating, hot water which flows through the heating pipeline 2 and is heated by the heating assembly 12 flows back into the domestic water pipeline 4, when the user opens the domestic water end again, hot water can directly flow out, and therefore zero cold water of the domestic water is achieved.

Preferably, the water flow sensor 8 is provided on the bypass pipe 46. In other embodiments, the water flow sensor 8 may be disposed on the domestic water inlet pipe 41. Referring to fig. 2, the water flow sensor 8 is provided on the bypass pipe 46, and the pressure reducing valve 54 is provided between the connection of the bypass pipe 46 and the domestic water inlet pipe 41 and the water supply part 44. Referring to fig. 3, the water flow sensor 8 is disposed on the domestic water inlet pipe 41 between the pressure reducing valve 54 and the water supply portion 44, and the pressure reducing valve 54 is disposed between the connection position of the bypass pipe 46 and the domestic water inlet pipe 41 and the water flow sensor 8.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. The wall-mounted furnace is characterized by comprising a main controller, a heating assembly, a heating pipeline, a domestic water pipeline, a first reversing valve, a second reversing valve and a circulating pump, wherein the heating assembly is used for heating water flowing through the heating pipeline; two ends of the domestic water pipeline are respectively connected with two ends of the heating pipeline through the first reversing valve and the second reversing valve and are enclosed with the heating pipeline to form a domestic water loop, two ends of the heating pipeline are respectively connected with two ends of the heating pipeline through the first reversing valve and the second reversing valve and are enclosed with the heating pipeline to form a heating loop, and the first reversing valve and the second reversing valve are used for controlling the heating pipeline to be switched between the domestic water loop and the heating loop;

the circulating pump is used for respectively providing power for the flow of water in the domestic water loop and the flow of water in the heating loop; the main controller is used for controlling the first reversing valve, the second reversing valve, the circulating pump and the heating assembly to work.

2. The wall hanging stove as claimed in claim 1, wherein the domestic water pipe comprises a domestic water inlet pipe, a domestic water outlet pipe, a domestic water return pipe communicating the domestic water inlet pipe and the domestic water outlet pipe, a water supply part for supplying water to the domestic water pipe, and an output part for outputting hot domestic water, the domestic water return pipe is connected between the domestic water inlet pipe and the domestic water outlet pipe; one end of the heating pipeline is communicated with the domestic water inlet pipe through the first reversing valve, and the other end of the heating pipeline is communicated with the domestic water outlet pipe through the second reversing valve.

3. The wall-hanging stove as claimed in claim 2, further comprising a water flow sensor provided on the domestic water line for detecting a flow of water therethrough.

4. The wall hanging stove as claimed in claim 3, wherein the domestic water pipeline further comprises a bypass pipe, the bypass pipe communicates with the domestic water inlet pipe and the domestic water outlet pipe, one end of the bypass pipe is connected between the first direction valve and the water supply portion, the other end of the bypass pipe is connected between the second direction valve and the output portion, and the water flow sensor is provided on the bypass pipe or the domestic water inlet pipe.

5. The wall hanging stove as claimed in any one of claims 2 to 4, further comprising a pressure reducing valve provided on the domestic water inlet pipe between the first direction valve and the water supply portion for reducing the pressure of water flowing from the domestic water inlet pipe into the heating pipeline.

6. The wall hanging stove as claimed in claim 2, wherein the heating pipeline includes a heating water return pipe, a heating water outlet pipe, and a heating pipe communicating the heating water return pipe and the heating water outlet pipe, the heating pipe being connected between the heating water return pipe and the heating water outlet pipe; one end of the heating pipeline is communicated with the heating water return pipe through the first reversing valve, and the other end of the heating pipeline is communicated with the heating water outlet pipe through the second reversing valve.

7. The wall hanging stove as claimed in claim 6, wherein the heating pipeline includes a cold water pipe section, a hot water pipe section and a heating pipe section connecting the cold water pipe section and the hot water pipe section, the heating pipe section is inserted into the heating assembly, the cold water pipe section is respectively communicated with the domestic water inlet pipe and the heating water return pipe through the first direction valve, the hot water pipe section is respectively communicated with the domestic water outlet pipe and the heating water outlet pipe through the second direction valve, and one circulation pump is provided and is located on the cold water pipe section.

8. The wall hanging furnace as claimed in claim 7, wherein the heating assembly includes a primary heat exchanger and a burner disposed below the primary heat exchanger, the heating section being disposed through the primary heat exchanger; the hanging stove still includes fuel inlet pipe, fuel inlet pipe intercommunication the combustor is used for the combustor provides fuel.

9. The wall hanging stove as claimed in claim 7, wherein the first direction valve is a three-way valve having three ports, and the cold water pipe section, the domestic water inlet pipe and the heating water return pipe are connected to one of the ports, respectively; and/or the presence of a gas in the gas,

the second reversing valve is a three-way valve, the three-way valve is provided with three interfaces, and the hot water pipe section, the domestic water outlet pipe and the heating outlet pipe are respectively connected with one interface.

10. The wall hanging stove according to any one of claims 1 to 4, further comprising an expansion tank communicating with the heating line for reducing pressure increased by expansion of water in the heating line after heating.

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