CN216143793U - Water route module and heating equipment of heating equipment - Google Patents

Abstract

The utility model provides a waterway module of heating equipment and the heating equipment. The heating equipment includes the heating water route for provide heating with circulating fluid, the water route module includes: the system comprises a first heat exchanger, a water using pipeline and a first water pump. The first heat exchanger is communicated with the heating waterway, so that the heated circulating fluid can flow through the first heat exchanger; the water using pipeline is provided with a first liquid inlet, a first liquid outlet and a first liquid return port, the first liquid return port is communicated with the first liquid outlet, the first liquid inlet is used for conveying liquid to be heated into the first heat exchanger, the first liquid outlet is used for conveying the heated liquid to a hot water using end, and the first liquid return port is used for conveying the liquid conveyed by the first liquid outlet into the first heat exchanger so as to enable the liquid to be in heat exchange with circulating fluid; the first water pump is arranged in the water using pipeline and positioned between the first liquid return port and the first heat exchanger so as to pump the liquid conveyed by the first liquid return port into the first heat exchanger. The waterway module can realize instant use of hot water.

Description

Water route module and heating equipment of heating equipment

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a waterway module of heating equipment and the heating equipment.

Background

At present, household heating equipment uses gas as energy to supply heat for residents and provide domestic hot water. The heating equipment generally comprises a heating water path and a domestic water path, and is provided with four water pipe interfaces, namely a heating water supply interface, a heating water return interface, a domestic cold water interface and a domestic hot water interface. The heating water channel is internally provided with a main heat exchanger and a circulating pump, the main heat exchanger is internally provided with a combustion chamber, fuel gas can be combusted in the combustion chamber to release heat, circulating fluid conveyed by a heating water return port is pumped into the main heat exchanger by the circulating pump to be subjected to heat exchange with the combustion chamber and heated, then the circulating fluid is conveyed to loads such as floor heating or radiators arranged in the heating water channel through a heating water supply interface, the temperature of the fluid is reduced after the heat exchange between the loads and the environment, and then the low-temperature fluid is conveyed back to the main heat exchanger by the circulating pump to form a loop.

The first heat exchanger is arranged in the domestic water pipeline, domestic cold water is conveyed to the first heat exchanger through a domestic cold water interface, is output to the first heat exchanger after being heated, and is conveyed to a use end (such as a water tap, a rain shower head and the like) through a domestic hot water interface for a user to use. The heat in the first heat exchanger mainly comes from the high-temperature circulating fluid which is heated in the heating water channel, specifically, a bypass is arranged, the domestic water pipeline is communicated with the heating water channel, after the circulating fluid is heated by the main heat exchanger and before the circulating fluid is output by the heating water supply interface, part or all of the high-temperature circulating fluid exchanges heat with input cold water through the first heat exchanger according to the domestic hot water demand, the circulating fluid after heat exchange is cooled, and the circulating fluid returns to the main heat exchanger through the bypass and the circulating pump.

The wall-mounted furnace in the prior art has a highly integrated water channel module inside, such as the water channel modules disclosed in chinese patent publication nos. CN105526615B and CN102287904A, which integrates a first circulation pump, a second heat exchanger, a bypass and its control unit, a heating water supply interface, a heating water return interface, a domestic cold water interface and a domestic hot water interface together at the same time, thereby reducing the weight and volume of the wall-mounted furnace.

However, when a user actually uses domestic hot water, the time from turning on the faucet to when the hot water actually reaches the faucet is long due to the fact that the pipeline of the domestic hot water interface of the heating device is often too long from the actual use end, so that the user experience is reduced, and meanwhile, water resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a waterway module of a heating device, which can preheat water circulation in a domestic water pipeline, improve user experience, and reduce waste of water resources.

Another objective of the present invention is to provide a heating apparatus, wherein the water path module is disposed inside the heating apparatus, so as to preheat water circulation in the domestic water pipeline, thereby improving user experience, reducing occupation of indoor space, and improving indoor aesthetics.

In order to achieve the above object, according to an aspect of the present invention, there is provided a waterway module of a heating apparatus including a heating waterway for supplying a circulating fluid for heating, the waterway module including: the system comprises a first heat exchanger, a water using pipeline and a first water pump. The first heat exchanger is communicated with the heating water path, so that the heated circulating fluid can flow through the first heat exchanger; the water using pipeline is provided with a first liquid inlet, a first liquid outlet and a first liquid return port, the first liquid return port is communicated with the first liquid outlet, the first liquid inlet is used for conveying liquid to be heated into a first heat exchanger, the first liquid outlet is used for conveying the heated liquid to a hot water using end positioned outside the heat supply equipment, and the first liquid return port is used for conveying the liquid conveyed by the first liquid outlet into the first heat exchanger so as to enable the liquid to be in heat exchange with the circulating fluid; the first water pump is arranged in the water using pipeline and positioned between the first liquid return port and the first heat exchanger so as to pump the liquid conveyed by the first liquid return port into the first heat exchanger.

According to an exemplary embodiment of the present invention, the waterway module further includes a first connecting member disposed in a pipeline connecting the first liquid inlet and the first heat exchanger, the first connecting member includes: the two ends of the first pipe body are provided with a first inlet and a second inlet which are opposite, the side wall of the first pipe body is provided with a first outlet, and the first inlet and the second inlet are communicated with the first outlet; the first inlet is communicated with a water outlet of the first water pump, the second inlet is communicated with a first liquid inlet, and the first outlet is communicated with the first heat exchanger.

According to an exemplary embodiment of the utility model, the end of the first tube provided with the second inlet has a receiving cavity.

According to an exemplary embodiment of the utility model, the first connecting piece is integrally formed.

According to an exemplary embodiment of the present invention, the waterway module further includes a mounting seat, the mounting seat is a three-way structure and has a first opening, a second opening and a third opening, and a portion of the first connecting member, where the second inlet and the first outlet are provided, is provided in the mounting seat through the first opening; the second opening is communicated with the first liquid inlet, the liquid to be heated flows into the second inlet of the first connecting piece through the second opening, the third opening is communicated with the inlet of the first heat exchanger, the liquid to be heated conveyed by the first liquid inlet flows into the first heat exchanger through the second opening, the second inlet, the first outlet and the third opening, and the liquid pumped by the first water pump flows into the first heat exchanger through the first inlet, the first outlet and the third opening.

According to an exemplary embodiment of the present invention, the waterway module further includes a first pipe segment and a second pipe segment, the first pipe segment is connected to the first liquid return port and the water inlet of the first water pump, and the second pipe segment is connected to the water outlet of the first water pump and the first inlet of the first connector.

According to an exemplary embodiment of the utility model, the waterway module further comprises: the second connecting piece is located first inlet with in the pipeline that first heat exchanger is connected, the second connecting piece includes: the two ends of the second pipe body are provided with a first water inlet and a first water outlet which are opposite; the first water inlet is communicated with a water outlet of the first water pump, and the first water outlet is communicated with the first heat exchanger.

According to an exemplary embodiment of the utility model, the waterway module further comprises a mounting seat, the mounting seat is of a three-way structure and is provided with a first opening, a second opening and a third opening, and the end part of the second connecting piece, which is provided with the first outlet, is arranged in the mounting seat through the first opening; the second opening is communicated with the first liquid inlet, the third opening is communicated with an inlet of the first heat exchanger, liquid to be heated conveyed by the first liquid inlet flows into the first heat exchanger through the second opening and the third opening, and liquid pumped by the first water pump flows into the first heat exchanger through the first water inlet and the first water outlet.

According to an exemplary embodiment of the present invention, the first liquid return port and the first liquid outlet are connected through a water return pipe located outside the heat supply equipment, and two ends of the water return pipe are respectively connected to a hot water using end located outside the heat supply equipment and the first liquid return port, so that the liquid can flow in the water using pipeline in a circulating manner.

According to another aspect of the present invention, there is provided a heating apparatus including: a heating waterway, a second heat exchanger and a waterway module in any one of the above embodiments. The second heat exchanger is connected in series in the heating water circuit to heat circulating fluid in the heating water circuit; the waterway module is communicated with the heating waterway.

According to the technical scheme, the utility model has at least one of the following advantages and positive effects:

in the waterway module provided by the embodiment of the utility model, as the first liquid return port and the first liquid outlet which are mutually communicated are arranged, the liquid at the first liquid outlet can flow into the first heat exchanger through the first liquid return port by the first water pump, and the water in the water pipeline flows circularly and is heated, so that the first liquid outlet can have hot water at any time, when a user opens a water using end, the hot water can be used immediately, the user experience is improved, and the waste of water resources is reduced.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a schematic view of a heating water circuit and a water circuit of a heating apparatus according to an exemplary embodiment;

FIG. 2 is a schematic perspective view of a waterway module according to an exemplary embodiment;

FIG. 3 is a perspective view of a first connector according to an exemplary embodiment;

FIG. 4 is a schematic front view of the first connector of FIG. 3;

FIG. 5 is a cross-sectional view A-A of the first connector of FIG. 4;

FIG. 6 is a schematic diagram of a waterway module shown in front view according to an exemplary embodiment;

FIG. 7 is a fragmentary portion of the schematic cross-sectional view taken along B-B of FIG. 6, with a first connector in use, and showing the direction of liquid flow;

FIG. 8 is a perspective view of a second connector shown in accordance with an exemplary embodiment;

FIG. 9 is a schematic front view of the second connector of FIG. 8;

FIG. 10 is a cross-sectional view of the second connector of FIG. 9 taken along line C-C;

fig. 11 is a detail of the cross-sectional view along B-B in fig. 6, with a second connector and showing the direction of liquid flow.

Description of reference numerals:

1. a first heat exchanger; 2. a water pipeline; 21. a first liquid inlet; 22. a first liquid outlet; 23. A first liquid return port; 3. a first water pump; 31. a first tube section; 32. a second tube section; 4. a first connecting member; 41. a first pipe body; 411. a first inlet; 412. a second inlet; 413. a first outlet; 4', a second connecting piece; 41', a second tube; 411' a first water inlet; 412', a first water outlet; 5. A mounting seat; 51. a first opening; 52. a second opening; 53. a third opening; 61. a first circulation branch; 62. a second circulation branch; 7. a first component; 71. a second water pump; 8. a second component; 91. A first seal ring; 92. a second seal ring; 10. a heating waterway; 101. a heating water return interface; 102. A heating water supply interface; 103. a water return pipe; 20. a second heat exchanger; 100. a heating equipment housing; 200. A hot water use end; 201. a one-way valve; 300. a cold water supply; 400. a load; D. a receiving cavity.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration various exemplary structures in which aspects of the disclosure may be practiced. A system and a step. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure. Furthermore, the terms "first," "second," and the like in the claims are used merely as labels, and are not numerical limitations of their objects.

According to an aspect of the present invention, a waterway module of a heating apparatus is provided. As shown in fig. 1 to 10, wherein fig. 1 shows a schematic diagram of a heating water circuit 10 and a water circuit 2 of a heating device; FIG. 2 shows a perspective view of the waterway module; fig. 3 to 6 show a schematic structural view of the first connecting member 4; fig. 7 shows the first connecting member 4 and the fluid flow path inside the mounting seat 5 when the first connecting member 4 is used; fig. 8 and 10 show schematic sectional views of the second connector 4'; fig. 11 shows the second connector 4 'and the fluid flow path inside the mounting socket 5 when the second connector 4' is used.

As shown in fig. 1 and 2, a heating apparatus according to an embodiment of the present invention includes a heating water circuit 10 for supplying a circulating fluid for heating, and a water circuit module including: the system comprises a first heat exchanger 1, a water using pipeline 2 and a first water pump 3. The first heat exchanger 1 is communicated with the heating water channel 10, so that heated circulating fluid can flow through the first heat exchanger 1. The water pipeline 2 is provided with a first liquid inlet 21, a first liquid outlet 22 and a first liquid return port 23, the first liquid return port 23 is communicated with the first liquid outlet 22, the first liquid inlet 21 is used for conveying liquid to be heated to the first heat exchanger 1, the first liquid outlet 22 is used for conveying the heated liquid to a hot water using end 200 positioned outside the heat supply equipment, and the first liquid return port 23 is used for conveying the liquid conveyed by the first liquid outlet 22 to the first heat exchanger 1 so as to exchange heat between the liquid and circulating fluid. The first water pump 3 is disposed in the water using pipeline 2 and located between the first liquid return port 23 and the first heat exchanger 1, so as to pump the liquid delivered by the first liquid return port 23 into the first heat exchanger 1.

In the waterway module of the embodiment of the present invention, because the first liquid return port 23 and the first liquid outlet 22 are provided, the liquid at the first liquid outlet 22 can flow into the first heat exchanger 1 through the first liquid return port 23 by the first water pump 3, and the water in the water pipeline 2 is used to circularly flow and be heated, so that the first liquid outlet 22 can have hot water at any time, when a user opens a water end, the hot water can be used immediately, user experience is improved, and water resource waste is reduced.

The waterway module of the heating apparatus according to the embodiment of the present invention will be described in detail.

As shown in fig. 1, the heat supply apparatus of the embodiment of the present invention includes a housing 100, a waterway module is disposed in the housing 100, and only a first liquid inlet 21, a first liquid outlet 22 and a first liquid return port 23 are disposed outside the housing 100. The heating water circuit 10 and the second heat exchanger 20 connected to the heating water circuit 10 are also provided in the casing 100, and only some ports provided outside the casing 100 communicate with the external water circuit and the load 400. So set up, can reduce the occupation to indoor space, promote indoor pleasing to the eye.

In some embodiments, as shown in fig. 3-5, the waterway module further includes a first connector 4. First connecting piece 4 is located in the pipeline that first inlet 21 and first heat exchanger 1 are connected, and first connecting piece 4 includes: the first tube 41 has a first inlet 411 and a second inlet 412 at two ends thereof, the first tube 41 has a first outlet 413 at a sidewall thereof, the first outlet 413 is disposed between the first inlet 411 and the second inlet 412 along an extending direction of the first tube 41, and the first inlet 411 and the second inlet 412 are both communicated with the first outlet 413. As shown in fig. 1, the first inlet 411 is communicated with the water outlet of the first water pump 3, the second inlet 412 is communicated with the first liquid inlet 21, and the first outlet 413 is communicated with the first heat exchanger 1.

The first tubes 41 in the above embodiments may have the same inner diameter or different inner diameters, for example, in the extending direction of the first tube 41, the portion between the first inlet 411 and the first outlet 413 has the same or different inner diameters, and the portion between the first outlet 413 and the second inlet 412 has the same inner diameter, which can be set by those skilled in the art according to practical situations and is not limited herein.

When the first water pump 3 is turned on, the liquid in the water using pipeline 2 may flow into the first connecting member 4 from the first inlet 411 of the first connecting member 4 through the water outlet of the first water pump 3, and flow into the water using pipeline 2 communicated with the first heat exchanger 1 from the first outlet 413. Meanwhile, the liquid to be heated provided by the cold water supply end 300 can enter the water using pipeline 2 from the first liquid inlet 21, join the liquid pumped by the first water pump 3 at the position of the pipeline where the first connecting piece 4 is arranged, and convey the liquid to the first heat exchanger 1. Through setting up this connecting piece, can insert smoothly with first water pump 3 in with water pipeline 2, make the rivers that use water pipeline 2 can circulate smoothly and flow, and this first connecting piece 4's structure sets up simply, can reduce manufacturing cost.

Further, as shown in fig. 5, the end of the first pipe 41 provided with the second inlet 412 has a housing chamber D communicating with the second inlet 412 and the first outlet 413. That is, the first tube 41 has an end portion, one end of which is opened with the second inlet 412, and the other end of which is opened with the first outlet 413. In some embodiments, the end portion has an inner diameter greater than the inner diameter of the rest of the first tube 41, so that a housing chamber D is formed inside the end portion. The accommodating cavity D is used for accommodating the flow limiting assembly.

Further, the waterway module may further include a flow limiting assembly (not shown), and the flow limiting assembly is disposed in the accommodating cavity D. The restriction assembly may be a restriction valve for restricting the liquid from circulating at a certain flow rate in the water usage line 2.

In some embodiments, as shown in fig. 7, the waterway module further includes a mounting seat 5, and the mounting seat 5 may be a three-way structure having a first opening 51, a second opening 52, and a third opening 53 communicating with each other. The portion of the first connecting member 4 provided with the second inlet 412 and the first outlet 413 is provided in the mount 5 through the first opening 51.

As shown in fig. 7, the second opening 52 is communicated with the first inlet 21, so that the liquid to be heated flows into the second inlet 412 of the first connecting member 4 through the second opening 52, the third opening 53 is communicated with the inlet of the first heat exchanger 1, so that the liquid to be heated conveyed by the first inlet 21 flows into the first heat exchanger 1 through the second opening 52 of the mounting seat 5, the second inlet 412 of the first connecting member 4, the first outlet 413 of the first connecting member 4 and the third opening 53 of the mounting seat 5, and the liquid pumped by the first water pump 3 flows into the first heat exchanger 1 through the first inlet 411, the first outlet 413 of the first connecting member 4 and the third opening 53 of the mounting seat 5.

As shown in fig. 7, the end of the first connection member 4 provided with the first inlet 411 extends out of the mounting base 5 and is connected to the first water pump 3. So set up, increased the installation space of first connecting piece 4, be favorable to first connecting piece 4 to be connected with first water pump 3.

In the above embodiment, the first tube 41 has an end portion provided with the accommodating chamber D for accommodating the flow restricting assembly. Since the flow restriction assembly needs to detect and restrict the flow of the liquid in the water pipe 2, as shown in fig. 7, the waterway module in the embodiment of the present invention may further include a first sealing ring 91 disposed between the outer circumference of the second inlet 412 of the first connecting member 4 and the inner wall of the mounting seat 5 to seal the contact portion therebetween, so that the second inlet 412 is in sealed communication with the second opening 52 of the mounting seat 5. Namely, the communication between the second opening 52 and the third opening 53 is blocked, so that the situation that the measurement of the flow limiting assembly is inaccurate due to the liquid leakage between the first connecting piece 4 and the mounting seat 5 is avoided.

Further, in addition to the above embodiments, the waterway module of the embodiment of the present invention further includes a second sealing ring 92, which is disposed between the outer circumference of the portion between the first inlet 411 and the first outlet 413 of the first connecting member 4 and the inner wall of the mounting seat 5, so as to seal the contact portion therebetween, thereby preventing the liquid flowing into the mounting seat 5 from leaking.

In other embodiments, unlike the above-described embodiments, the waterway module of the present invention may include a second connector 4', as shown in fig. 8 to 10. The second connection 4' is arranged in a line connecting the first inlet port 21 with the first heat exchanger 1. The second connector 4 'includes a second tube 41' having opposite first and second water inlets 411 'and 412' at both ends thereof. Wherein, the first water inlet 411 'is communicated with the water outlet of the first water pump 3, and the first water outlet 412' is communicated with the first heat exchanger 1.

Compared to the first connector 4, the second connector 4 ' has a portion of the first connector 4 with the accommodating cavity D removed, and the liquid pumped from the first water pump 3 directly flows into the mounting seat 5 after passing through the first water inlet 411 ' and the first water outlet 412 ', joins with the liquid flowing into the mounting seat 5 through the first liquid inlet 21, and flows into the water using pipeline 2 through the third opening 53 of the mounting seat 5. The second connecting member 4' is simpler in structure, smaller in size, and easy to manufacture, and saves cost, compared to the first connecting member 4.

Specifically, as shown in fig. 11, the structure of the mounting base 5 of the present embodiment is the same as that of the mounting base 5 of the above embodiment, that is, the mounting base 5 has a three-way structure and has a first opening 51, a second opening 52 and a third opening 53 which are communicated with each other, and the end of the second connecting member 4 'provided with the first water outlet 412' is provided in the mounting base 5 through the first opening 51.

As shown in fig. 11, the second opening 52 is communicated with the first liquid inlet 21, the third opening 53 is communicated with an inlet of the first heat exchanger 1, so that the liquid to be heated, which is delivered by the first liquid inlet 21, flows into the first heat exchanger 1 through the second opening 52 and the third opening 53 of the mounting seat 5, and the liquid pumped by the first water pump 3 flows into the first heat exchanger 1 through the first water inlet 411 ' and the first water outlet 412 ' of the second connection 4 '.

In some embodiments, as shown in fig. 2 and 6, the waterway module of the present invention may further include a first pipe segment 31 and a second pipe segment 32, the first pipe segment 31 is connected to the first liquid return port 23 and the water inlet of the first water pump 3, and the second pipe segment 32 is connected to the water outlet of the first water pump 3 and the first inlet 411 of the first connector 4, so as to smoothly flow the liquid through the first water pump 3. In other embodiments, unlike the previous embodiments, the second pipe section 32 is connected to the water outlet of the first water pump 3 and the first water inlet 411 'of the second connector 4'.

In some embodiments, the first connector 4 and the second connector 4' may be integrally formed, respectively. If the first connecting member 4 and the second connecting member 4 'can be integrally formed by an injection molding process or a 3D printing process, respectively, the first connecting member 4 and the second connecting member 4' can be made of plastic. Therefore, the first connecting piece 4 and the second connecting piece 4' are light in weight, low in cost and simple in manufacturing process. In addition, the first connecting member 4 and the second connecting member 4 ' may also be integrally formed by a casting process, and the first connecting member 4 and the second connecting member 4 ' may be made of metal or alloy, such as copper, iron, stainless steel, etc., so that the first connecting member 4 and the second connecting member 4 ' have higher strength and longer service life. Of course, in other embodiments, the first connecting member 4 and the second connecting member 4' may be assembled by a plurality of components, for example, the plurality of components may be formed by welding or bonding and sealing. The skilled person can select the forming manner and material of the first connecting element 4 and the second connecting element 4' according to the actual situation and according to the above description, and the forming manner and material are not limited herein.

As shown in fig. 11, the end of the second connection member 4 'provided with the first water inlet 411' extends out of the mounting seat 5 and is connected with the first water pump 3. So set up, increased the installation space of second connecting piece 4', be favorable to connecting piece 4 and first water pump 3 to be connected.

In some embodiments, as shown in fig. 1, the first liquid return port 23 and the first liquid outlet port 22 are connected by a water return pipe 103 located outside the heating apparatus, and both ends of the water return pipe 103 are respectively connected to a hot water using end 200 located outside the heating apparatus and the first liquid return port 23 so that the liquid can circulate in the water using line 2. The hot water use end 200 may be a faucet or a shower head.

Further, as shown in fig. 1, a check valve 201 is provided in the return pipe 103 so that the liquid can flow from the first liquid outlet 22 to the first return port 23 in a single direction.

In some embodiments, as shown in fig. 1, the waterway module further comprises: a first circulation branch 61 and a second circulation branch 62. The first circulation branch 61 is communicated with the liquid inlets of the heating water circuit 10 and the first heat exchanger 1, and conveys the heated circulation liquid in the heating water circuit 10 to the first heat exchanger 1 so as to exchange heat with the liquid in the first heat exchanger 1. The second circulation branch 62 communicates the liquid outlet of the first heat exchanger 1 and the heating water circuit 10, and outputs the heat-exchanged circulation liquid from the first heat exchanger 1 to the heating water circuit 10.

In some embodiments, as shown in fig. 2 and 6, the waterway module further comprises: a first component 7 and a second component 8 for connecting with a heating water circuit 10. The first module 7 includes a second water pump 71, and as shown in fig. 1, the second water pump 71 is connected in series with the heating water circuit 10 to provide power for the flow of the liquid in the heating water circuit 10.

In summary, in the waterway module of the embodiment of the present invention, because the first liquid return port 23 and the first liquid outlet 22 are disposed and communicated with each other, the liquid at the first liquid outlet 22 can flow into the first heat exchanger 1 through the first liquid return port 23 by the first water pump 3, and the water in the water pipeline 2 is circulated and heated, so that the first liquid outlet 22 can have hot water at any time, when the user opens the water using end, the hot water can be used immediately, the user experience is improved, and the waste of water resources is reduced.

According to another aspect of the present invention, a heating apparatus is provided. Referring to fig. 1, the heating apparatus includes a heating waterway 10, a second heat exchanger 20, and a waterway module in any of the above embodiments. The second heat exchanger 20 is connected in series in the heating water circuit 10 to heat the circulating liquid in the heating water circuit 10. The external load 400 is connected in series to the heating water path 10 to perform heat exchange using the heated liquid in the heating water path 10, thereby supplying heat to the outside. The load 400 may be, for example, a floor heating or radiator. A heating water return interface 101 and a heating water supply interface 102 are arranged below the heating equipment shell 100, the heating water return interface 102 is connected with the water outlet end of the load 400, and the liquid cooled by heat exchange is conveyed to the heating water path 10 of the heating equipment again and enters the second heat exchanger 20 for reheating. The heating water supply interface 102 delivers heated liquid to the external load 400. The waterway module communicates with the heating waterway 10 to heat the liquid in the water line 22 with the hot water in the heating waterway 10.

According to the heating equipment provided by the embodiment of the utility model, the waterway module is arranged in the heating equipment, so that water in the domestic water pipeline 22 can be circularly preheated, the user experience is improved, meanwhile, the occupation of indoor space is reduced, and the indoor appearance is improved.

It is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the description. The utility model is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the utility model disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute alternative aspects of the present invention. The embodiments described in this specification illustrate the best mode known for carrying out the utility model and will enable those skilled in the art to utilize the utility model.

Claims (10)

1. Waterway module of a heating plant comprising a heating waterway (10) for providing a circulating fluid for heating, characterized in that it comprises:

a first heat exchanger (1) in communication with the heating water circuit (10) to enable the heated circulating fluid to flow through the first heat exchanger (1);

a water pipeline (2) having a first liquid inlet (21), a first liquid outlet (22) and a first liquid return port (23), wherein the first liquid return port (23) is communicated with the first liquid outlet (22), the first liquid inlet (21) is used for conveying a liquid to be heated into a first heat exchanger (1), the first liquid outlet (22) is used for conveying the heated liquid to a hot water using end (200) located outside the heat supply equipment, and the first liquid return port (23) is used for conveying the liquid conveyed by the first liquid outlet (22) into the first heat exchanger (1) so as to exchange heat between the liquid and the circulating fluid;

and the first water pump (3) is arranged in the water using pipeline (2) and is positioned between the first liquid return port (23) and the first heat exchanger (1) so as to pump the liquid conveyed by the first liquid return port (23) into the first heat exchanger (1).

2. A waterway module of a heating device according to claim 1, further comprising a first connector (4) provided in a pipeline connecting the first inlet port (21) and the first heat exchanger (1), the first connector (4) comprising:

the two ends of the first pipe body (41) are provided with a first inlet (411) and a second inlet (412) which are opposite, the side wall of the first pipe body (41) is provided with a first outlet (413), and the first inlet (411) and the second inlet (412) are communicated with the first outlet (413);

wherein the first inlet (411) is communicated with a water outlet of the first water pump (3), the second inlet (412) is communicated with a first liquid inlet (21), and the first outlet (413) is communicated with the first heat exchanger (1).

3. Waterway module of a heating device according to claim 2, wherein the end of the first tube (41) provided with the second inlet (412) has a housing cavity (D).

4. Waterway module of a heating device according to claim 2 or 3, wherein the first connecting member (4) is integrally formed.

5. A waterway module of a heating device according to claim 2 or 3, further comprising a mounting seat (5), wherein the mounting seat (5) has a three-way structure and has a first opening (51), a second opening (52) and a third opening (53), and the portion of the first connecting member (4) provided with the second inlet (412) and the first outlet (413) is provided in the mounting seat (5) through the first opening (51);

wherein the second opening (52) is communicated with the first liquid inlet (21), the liquid to be heated flows into the second inlet (412) of the first connecting member (4) through the second opening (52), the third opening (53) is communicated with the inlet of the first heat exchanger (1), the liquid to be heated conveyed by the first liquid inlet (21) flows into the first heat exchanger (1) through the second opening (52), the second inlet (412), the first outlet (413) and the third opening (53), and the liquid pumped by the first water pump (3) flows into the first heat exchanger (1) through the first inlet (411), the first outlet (413) and the third opening (53).

6. A waterway module of a heating device according to claim 2, further comprising a first pipe section (31) and a second pipe section (32), wherein the first pipe section (31) is connected to the first liquid return port (23) and the water inlet of the first water pump (3), and the second pipe section (32) is connected to the water outlet of the first water pump (3) and the first inlet (411) of the first connector (4).

7. The waterway module of a heating device of claim 1, further comprising: a second connection (4 ') provided in a line connecting the first inlet (21) to the first heat exchanger (1), the second connection (4') comprising:

a second pipe body (41 ') having a first water inlet (411 ') and a first water outlet (412 ') at opposite ends thereof; wherein the first water inlet (411 ') is communicated with a water outlet of the first water pump (3), and the first water outlet (412') is communicated with the first heat exchanger (1).

8. The waterway module of a heating device according to claim 7, further comprising a mounting seat (5), wherein the mounting seat (5) is a three-way structure having a first opening (51), a second opening (52) and a third opening (53), and the end of the second connector (4 ') provided with the first water outlet (412') is provided in the mounting seat (5) through the first opening (51);

wherein the second opening (52) is communicated with the first liquid inlet (21), the third opening (53) is communicated with an inlet of the first heat exchanger (1), the liquid to be heated conveyed by the first liquid inlet (21) flows into the first heat exchanger (1) through the second opening (52) and the third opening (53), and the liquid pumped by the first water pump (3) flows into the first heat exchanger (1) through the first water inlet (411 ') and the first water outlet (412').

9. The waterway module of a heating device according to claim 1, wherein the first liquid return port (23) is connected to the first liquid outlet (22) via a water return pipe (103) located outside the heating device, and both ends of the water return pipe (103) are respectively connected to a hot water usage port (200) located outside the heating device and the first liquid return port (23) so as to enable the liquid to circulate in the water usage pipeline (2).

10. A heating apparatus, comprising:

a heating water path (10);

a second heat exchanger (20) connected in series in the heating water circuit (10) for heating the circulating fluid in the heating water circuit (10);

waterway module according to any of claims 1 to 9, in communication with the heating waterway (10).

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