CN213984026U - 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, control valve, relief valve and circulating pump, the heating element is used for heating the water that flows through in the heating pipeline; 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 by enclosing with the heating pipeline, the two ends of the heating pipeline are respectively connected with the two ends of the heating pipeline and form a heating loop by enclosing with the heating pipeline, and the first reversing valve is 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 water flowing in the domestic water loop and the water flowing in the heating loop; the pressure relief valve is arranged on the heating loop and used for reducing the pressure increased by evaporation after water in the heating loop is heated. The utility model provides a hanging stove saves plate heat exchanger and moisturizing 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 expansion water tank is arranged, and the expansion water tank is large in size and not beneficial to the miniaturization development of the wall-mounted boiler; (4) 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 control valve, a pressure release 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 and form a domestic water loop by being enclosed by the heating pipeline, two ends of the heating pipeline are respectively connected with two ends of the heating pipeline and form a heating loop by being enclosed by the heating pipeline, and the first reversing valve is 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 control valve is used for controlling the circulation state of the domestic water pipeline reclaimed water and the circulation state of the heating pipeline reclaimed water, the main controller is used for controlling the first reversing valve, the pressure release valve, the circulating pump and the heating assembly to work, and the pressure release valve is arranged on the heating loop and used for reducing the pressure increased by evaporation after the water in the heating loop is heated.

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 outlet pipe through the first reversing valve, the other end of the heating pipeline is communicated with the heating water return pipe, and the pressure release valve is arranged on the heating water return pipe; the wall-mounted furnace further comprises a pressure relief portion, and the pressure relief portion is connected to the pressure relief valve.

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 outlet pipe through the first reversing valve, and the other end of the heating pipeline is communicated with the domestic water inlet pipe.

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 hot water pipe section is respectively communicated with the domestic water outlet pipe and the heating water outlet pipe through the first reversing valve, the cold water pipe section is communicated with the domestic water inlet pipe and the heating water return pipe, and one circulating pump is arranged and located on the cold water pipe section.

Furthermore, the control valve comprises a first control valve body and a second control valve body, the first control valve body is arranged on the domestic water inlet pipe and used for controlling the circulation state of the water in the domestic water pipeline, and the second control valve body is arranged on the heating water return pipe and used for controlling the circulation state of the water in the heating pipeline.

Furthermore, the first control valve body and the second control valve body are both check valves or stop valves, and the main controller is also used for controlling the stop valves to work; alternatively, the first and second electrodes may be,

one of the first control valve body and the second control valve body is the check valve, the other one is the stop valve, and the main controller is also used for controlling the stop valve to work.

Further, the hanging stove is still including the water flow sensor who is used for detecting discharge, water flow sensor locates domestic water pipeline is last.

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 output part, the other end of the bypass pipe is connected between the first control valve body and the water supply 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 control valve body 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 control valve is a second reversing valve, the cold water pipe section is respectively communicated with the domestic water inlet pipe and the heating water return pipe through the second reversing valve, and the main controller is also used for controlling the second reversing valve to work.

Further, the hanging stove is still including the water flow sensor who is used for detecting discharge, water flow sensor locates domestic water pipeline is last.

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 output part, the other end of the bypass pipe is connected between the second reversing valve and the water supply 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 the second 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 first 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; 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 cold water pipe section, the domestic water inlet pipe and the heating water return pipe are respectively connected with one interface.

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.

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 to be communicated with the heating pipeline and the domestic water pipeline, when a domestic water loop is formed, the main controller controls the circulating pump to be opened, under the action of the circulating pump, cold water remained in the domestic water pipeline flows into the heating pipeline, is heated by the heating assembly to become hot water and then flows into the domestic water pipeline, 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 control 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 an embodiment of the present invention;

fig. 2 is another schematic structural diagram of a wall-mounted stove according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a wall-hanging stove according to a second embodiment of the present invention;

fig. 4 is a schematic view of a first structure of a wall-hanging stove according to a third embodiment of the present invention;

fig. 5 is a schematic view of a second structure of a wall-hanging stove according to a third embodiment of the present invention;

fig. 6 is a schematic view of a third structure of a wall-hanging stove according to a third embodiment of the present invention;

fig. 7 is a schematic view of a fourth structure of the wall-hanging stove according to the third embodiment of the present invention;

fig. 8 is a schematic structural view of a wall-hanging stove according to a fourth embodiment of the present invention;

fig. 9 is another schematic structural diagram of a wall-hanging stove according to a fourth 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 control valve; 521. a first control valve body; 522. a second control valve body; 53. an interface; 54. a pressure reducing valve; 6. a circulation pump; 7. a fuel inlet pipe; 8. a water flow sensor; 91. a pressure relief valve; 92. and a pressure relief portion.

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. 1-2 (the straight arrow in the figure is the flowing direction of the fluid in the pipe), an 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 control valve 52, a pressure relief valve 91 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 and form a domestic water loop by enclosing with the heating pipeline 2, two ends of the heating pipeline 3 are respectively connected with two ends of the heating pipeline 2 and form a heating loop by enclosing with the heating pipeline 2, and the first reversing valve 51 is used for controlling the switching of the heating pipeline 2 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 control valve 52 is used for controlling the water flowing state in the domestic water pipeline 4 and the water flowing state in the heating pipeline 3, the main controller 11 is used for controlling the first reversing valve 51, the pressure relief valve 91, the circulating pump 6 and the heating component 12 to work, and the pressure relief valve 91 is arranged on the heating loop and used for reducing the pressure increased by evaporation after the water in the heating loop is heated.

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, and heating water heating and heating for 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 reversing valve 51 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 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 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, need not set up the moisturizing valve specially in addition.

Through setting up the relief valve 91 that communicates heating pipeline 2, become steam after the water in the heating return circuit is heated, when making the atmospheric pressure in the heating return circuit rise, accessible relief valve 91 reduces the atmospheric pressure in the heating return circuit, avoids taking place danger, also need not establish expansion tank in addition simultaneously and reduces atmospheric pressure to the volume of hanging stove 100 has been reduced, the spending has been saved.

Therefore, the utility model provides a hanging stove 100 has saved plate heat exchanger, water supply valve and expansion tank, makes overall structure simpler, and the volume reduces, and weight reduction has also saved the cost simultaneously.

Referring to fig. 1 and 2 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 outlet pipe 32 through a first direction valve 51, and the other end is communicated with the heating water return pipe 31. 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.

Preferably, the pressure release valve 91 is provided on the heating water return pipe 31. By setting the pressure release valve 91 on the heating return pipe 31, the hot water (hot gas) flows through the heating pipe 33, and after the heating is completed, the pressure release processing is performed again, and the heating is ensured and the pressure can be released.

Preferably, the wall-hanging stove 100 further includes a relief portion 92, and the relief portion 92 is connected to the relief valve 91. The pressure relief portion 92 may be a connecting pipe or a connector. By providing the pressure relief portion 92, the hot air in the heating pipe 33 can be easily leaked to the outside of the wall-hanging stove 100.

Referring to fig. 1 and 2 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 outlet pipe 42 through a first reversing valve 51, and the other end is communicated with the domestic water inlet pipe 41. 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 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 and is heated into hot water along domestic water outlet pipe 42 in proper order, domestic water return pipe 43, domestic water inlet pipe 41, and after, flow back to domestic water outlet pipe 42 from heating pipeline 2 again and export with output portion 45, 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.

Referring to fig. 1 and 2 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 hot water pipe section 22 is respectively communicated with the domestic water outlet pipe 42 and the heating outlet pipe 32 through a first direction valve 51, the cold water pipe section 21 is communicated with the domestic water inlet pipe 41 and the heating return pipe 31, and one circulation pump 6 is provided and located 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 is 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.

Referring to fig. 1 and 2 again, the control valve 52 includes a first control valve 521 and a second control valve 522, the first control valve 521 is disposed on the domestic water inlet pipe 41 for controlling the water flowing state in the domestic water pipeline 4, and the second control valve 522 is disposed on the heating water return pipe 31 for controlling the water flowing state in the heating pipeline 3.

Preferably, the relief valve 91 is provided between the second control valve body 522 and the junction of the cold water pipe section 21 and the heating water return pipe 31. In other embodiments, the relief valve 91 may be provided between the second control valve body 522 and a junction of the heating water return pipe 31 and the heating pipe 33.

Preferably, the first control valve body 521 and the second control valve body 522 are both check valves or stop valves, and the main controller 11 is further configured to control the stop valves to operate; alternatively, one of the first control valve body 521 and the second control valve body 522 is a check valve, the other is a stop valve, and the main controller 11 is also used for controlling the stop valve to operate. That is, the first control valve body 521 and the second control valve body 522 may both be check valves; alternatively, the first control valve body 521 and the second control valve body 522 are both stop valves; alternatively, the first control valve body 521 is a check valve, and the second control valve body 522 is a stop valve; alternatively, the first control valve element 521 is a stop valve and the second control valve element 522 is a check valve. In the wall-hanging stove 100 shown in fig. 1, the first control valve 521 and the second control valve 522 are both check valves, when the first control valve 521 is a check valve, water in the heating pipeline 3 and the heating pipeline 2 can be prevented from flowing backwards to the domestic water pipeline 4, and when the second control valve 522 is a check valve, water in the domestic water pipeline 4 and the heating pipeline 2 can be prevented from flowing backwards to the heating pipeline 3. In the wall-hanging stove 100 shown in fig. 2, the first control valve 521 is a check valve, and the second control valve 522 is a stop valve, which can not only prevent cold water in the domestic water inlet pipe 41 from flowing back to the heating water return pipe 31, but also facilitate cleaning of the heating pipeline 3. The first control valve 521 is a stop valve, and when the main controller 11 controls the first reversing valve 51 to communicate with the hot water pipe section 22 and the domestic water outlet pipe 42, the first control valve 521 is also controlled to communicate with the cold water pipe section 21 and the domestic water inlet pipe 41; the second control valve body 522 is a cut-off valve, and when the main controller 11 controls the first direction valve 51 to communicate the hot water pipe section 22 with the heating water outlet pipe 32, the second control valve body 522 is also controlled to communicate the cold water pipe section 21 with the heating water return pipe 31.

Preferably, the wall-hanging stove 100 further includes a water flow sensor 8 for detecting a water flow, and the water flow sensor 8 is provided on the domestic water pipe 4. In the present embodiment, the water flow sensor 8 is disposed on the domestic water inlet pipe 41 and between the first control valve 521 and the water supply portion 44, and the water flow sensor 8 is used for detecting the water flow flowing through the domestic water inlet pipe 41.

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 control valve body 521 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 and 2, the pressure reducing valve 54 is disposed between the first control valve body 521 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.

Preferably, the first direction valve 51 is 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 will be appreciated that the first direction valve 51 is not limited to being a three-way valve.

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.

Example two:

the difference between the present embodiment and the first embodiment is the difference between the control valves 52, and only the positions of the control valves 52 and the positional relationship between the control valves 52 and the pressure reducing valve 54, the water flow rate sensor 8, and the pressure relief valve 91 will be described below, and the other similar technical solutions will not be described again.

Specifically, in the first embodiment, the control valve 52 includes a first control valve 521 and a second control valve 522, the first control valve 521 is disposed on the domestic water inlet pipe 41 for controlling the water flowing state in the domestic water pipeline 4, and the second control valve 522 is disposed on the heating water return pipe 31 for controlling the water flowing state in the heating pipeline 3. In this embodiment, the control valve 52 is a second direction valve, the cold water pipe segment 21 is respectively communicated with the domestic water inlet pipe 41 and the heating water return pipe 31 through the second direction valve, and the main controller 11 controls the second direction valve to operate.

Referring to fig. 3 (the straight arrow in the figure indicates the flow direction of the fluid in the pipe), the second directional valve is a three-way valve having three ports 53, and the cold water pipe 21, the domestic water inlet pipe 41 and the heating water return pipe 31 are connected to one port 53. When the main controller 11 controls the first reversing valve 51 to communicate the hot water pipe section 22 with the domestic water outlet pipe 42, the second reversing valve is also controlled to communicate the cold water pipe section 21 with the domestic water inlet pipe 41; when the main controller 11 controls the first direction changing valve 51 to communicate the hot water pipe section 22 with the heating water outlet pipe 32, it also controls the second direction changing valve to communicate the cold water pipe section 21 with the heating water return pipe 31.

In the present embodiment, the pressure reducing valve 54 and the water flow sensor 8 are both disposed on the domestic water inlet pipe 41, wherein the pressure reducing valve 54 is disposed between the second direction valve and the water flow sensor 8, and the water flow sensor 8 is disposed between the pressure reducing valve 54 and the water supply portion 44. The relief valve 91 is provided between the second direction valve and the junction of the heating water return pipe 31 and the heating pipe 33.

Example three:

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

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 control valve 521 and the water supply portion 44, and the water flow sensor 8 is used for detecting the water flow flowing through the domestic water inlet pipe 41. When the user needs to use hot domestic water, the main controller 11 is informed in advance to control the first reversing valve 51 to switch on 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 the 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 control valve 521 and the water supply portion 44, the other end of the bypass pipe 46 is connected between the first direction valve 51 and the output portion 45, and the water flow sensor 8 is used for detecting the water flow flowing through the bypass pipe 46. When a user needs to use hot domestic water, a domestic water end (such as a bathroom faucet) can be instantly opened in advance and then closed, at the moment of opening the domestic water end, water flows through the bypass pipe 46, the water flow sensor 8 detects the water flow flowing through the bypass pipe 46 and then transmits a signal to the main controller 11, the main controller 11 controls the first reversing valve 51 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 to be heated, hot water flowing through the heating pipeline 2 and heated by the heating assembly 12 flows back to the domestic water pipeline 4, and when the user opens the domestic water end again, hot water can directly flow out, so that 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. 4 and 5, 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. 6 and 7, 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 point of the bypass pipe 46 and the domestic water inlet pipe 41 and the water flow sensor 8. In the figure, the straight arrows indicate the flow direction of the fluid in the tube.

Example four:

the difference between the present embodiment and the third embodiment is the difference between the control valves 52, and only the positions of the control valves 52 and the control valve 52 and the positional relationship between the control valve 52 and the bypass pipe 46 and the relief valve 91 will be described below, and the other similar technical solutions will not be described again.

Specifically, in the third embodiment, the control valve 52 includes a first control valve 521 and a second control valve 522, the first control valve 521 is disposed on the domestic water inlet pipe 41 for controlling the water flowing state in the domestic water pipeline 4, the second control valve 522 is disposed on the heating water return pipe 31 for controlling the water flowing state in the heating pipeline 3, one end of the bypass pipe 46 is connected between the first control valve 521 and the water supply unit 44, the other end is connected between the first direction-changing valve 51 and the output unit 45, and the pressure relief valve 91 is disposed between the second control valve 522 and the connection between the cold water pipe 21 and the heating water return pipe 31. In this embodiment, the control valve 52 is a second direction changing valve, the cold water pipe 21 is respectively communicated with the domestic water inlet pipe 41 and the heating water return pipe 31 through the second direction changing valve, the main controller 11 controls the second direction changing valve to operate, one end of the bypass pipe 46 is connected between the second direction changing valve and the water supply part 44, the other end is connected between the first direction changing valve 51 and the output part 45, and the pressure release valve 91 is arranged between the second direction changing valve and the connection part of the heating water return pipe 31 and the heating pipe 33.

Referring to fig. 8 and 9, the second direction valve is a three-way valve having 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 to one port 53. When the main controller 11 controls the first reversing valve 51 to communicate the hot water pipe section 22 with the domestic water outlet pipe 42, the second reversing valve is also controlled to communicate the cold water pipe section 21 with the domestic water inlet pipe 41; when the main controller 11 controls the first direction changing valve 51 to communicate the hot water pipe section 22 with the heating water outlet pipe 32, it also controls the second direction changing valve to communicate the cold water pipe section 21 with the heating water return pipe 31. In the figure, the straight arrows indicate the flow direction of the fluid in the tube.

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 (15)

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 control valve, a pressure release 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 and form a domestic water loop by being enclosed by the heating pipeline, two ends of the heating pipeline are respectively connected with two ends of the heating pipeline and form a heating loop by being enclosed by the heating pipeline, and the first reversing valve is 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 control valve is used for controlling the circulation state of the domestic water pipeline reclaimed water and the circulation state of the heating pipeline reclaimed water, the main controller is used for controlling the first reversing valve, the pressure release valve, the circulating pump and the heating assembly to work, and the pressure release valve is arranged on the heating loop and used for reducing the pressure increased by evaporation after the water in the heating loop is heated.

2. The wall hanging stove as claimed in claim 1, 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 outlet pipe through the first reversing valve, the other end of the heating pipeline is communicated with the heating water return pipe, and the pressure release valve is arranged on the heating water return pipe; the wall-mounted furnace further comprises a pressure relief portion, and the pressure relief portion is connected to the pressure relief valve.

3. The wall hanging stove as claimed in claim 2, 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 being 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 outlet pipe through the first reversing valve, and the other end of the heating pipeline is communicated with the domestic water inlet pipe.

4. The wall hanging stove as claimed in claim 3, 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 hot water pipe section is respectively communicated with the domestic water outlet pipe and the heating outlet pipe through the first direction valve, the cold water pipe section is communicated with the domestic water inlet pipe and the heating return pipe, and the circulation pump is provided with one and is located on the cold water pipe section.

5. The wall hanging stove as claimed in claim 4, wherein the control valve comprises a first control valve body provided on the domestic water inlet pipe for controlling the circulation state of the water in the domestic water pipe, and a second control valve body provided on the heating water return pipe for controlling the circulation state of the water in the heating pipe.

6. The wall hanging stove as claimed in claim 5, wherein the first control valve body and the second control valve body are both check valves or stop valves, and the main controller is further configured to control the operation of the stop valves; alternatively, the first and second electrodes may be,

one of the first control valve body and the second control valve body is the check valve, the other one is the stop valve, and the main controller is also used for controlling the stop valve to work.

7. The wall-hanging stove of claim 5, further comprising a water flow sensor for detecting water flow, the water flow sensor being disposed on the domestic water line.

8. The wall hanging stove as claimed in claim 7, wherein the domestic water pipe 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 output part, the other end of the bypass pipe is connected between the first control valve body and the water supply part, and the water flow sensor is provided on the bypass pipe or the domestic water inlet pipe.

9. The wall hanging stove as claimed in any one of claims 5 to 8, further comprising a pressure reducing valve provided on the domestic water inlet pipe between the first control valve body and the water supply portion for reducing the pressure of water flowing from the domestic water inlet pipe into the heating pipeline.

10. The wall hanging stove of claim 4, wherein the control valve is a second reversing valve, the cold water pipe section is respectively communicated with the domestic water inlet pipe and the heating water return pipe through the second reversing valve, and the main controller is further configured to control the second reversing valve to operate.

11. The wall-hanging stove of claim 10, further comprising a water flow sensor for detecting water flow, the water flow sensor being disposed on the domestic water line.

12. The wall hanging stove as claimed in claim 11, 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 output part, the other end of the bypass pipe is connected between the second direction valve and the water supply part, and the water flow sensor is provided on the bypass pipe or the domestic water inlet pipe.

13. The wall hanging stove as claimed in any one of claims 10 to 12, further comprising a pressure reducing valve provided on the domestic water inlet pipe between the second direction valve and the water supply portion for reducing the pressure of water flowing from the domestic water inlet pipe into the heating pipeline.

14. The wall hanging stove as claimed in claim 10, wherein the first direction valve is a three-way valve having three ports, and the hot water pipe section, the domestic water outlet pipe and the heating outlet 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 cold water pipe section, the domestic water inlet pipe and the heating water return pipe are respectively connected with one interface.

15. The wall hanging furnace as claimed in claim 4, 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.

Images